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Initial commit for public repository.

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This commit is contained in:
Graham Sellers
2015-07-24 07:32:43 -04:00
parent a530b3399c
commit 3dd9d215de
223 changed files with 88179 additions and 0 deletions
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154
CMakeLists.txt Normal file
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cmake_minimum_required (VERSION 2.6)
project (superbible7)
LINK_DIRECTORIES( ${CMAKE_SOURCE_DIR}/lib )
set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib)
set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib)
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_SOURCE_DIR}/bin)
# Second, for multi-config builds (e.g. msvc)
foreach( OUTPUTCONFIG ${CMAKE_CONFIGURATION_TYPES} )
string( TOUPPER ${OUTPUTCONFIG} OUTPUTCONFIG )
set( CMAKE_RUNTIME_OUTPUT_DIRECTORY_${OUTPUTCONFIG} ${CMAKE_SOURCE_DIR}/bin )
set( CMAKE_LIBRARY_OUTPUT_DIRECTORY_${OUTPUTCONFIG} ${CMAKE_SOURCE_DIR}/lib )
set( CMAKE_ARCHIVE_OUTPUT_DIRECTORY_${OUTPUTCONFIG} ${CMAKE_SOURCE_DIR}/lib )
endforeach( OUTPUTCONFIG CMAKE_CONFIGURATION_TYPES )
find_package(OpenGL)
set (CMAKE_DEBUG_POSTFIX "_d")
if(WIN32)
set(COMMON_LIBS sb7 optimized glfw3 debug glfw3_d ${GLFW_LIBRARIES} ${OPENGL_LIBRARIES})
elseif (UNIX)
set(COMMON_LIBS sb7 glfw3 ${GLFW_LIBRARIES} rt dl)
else()
set(COMMON_LIBS sb7)
endif()
set(COMMON_LIBS ${COMMON_LIBS} ${EXTRA_LIBS})
add_library(sb7
src/sb7/sb7.cpp
src/sb7/sb7color.cpp
src/sb7/sb7ktx.cpp
src/sb7/sb7object.cpp
src/sb7/sb7shader.cpp
src/sb7/sb7textoverlay.cpp
src/sb7/gl3w.c
)
set(RUN_DIR ${PROJECT_SOURCE_DIR}/bin)
set(EXAMPLES
alienrain
basicfbo
bindlesstex
blendmatrix
blinnphong
bumpmapping
clipdistance
csflocking
compressrgtc
cubemapenv
cubicbezier
cullindirect
deferredshading
depthclamp
dflandscape
dispmap
dof
envmapsphere
equirectangular
fontdemo
fragcolorfrompos
fragmentlist
grass
gsculling
gslayered
gsquads
gstessellate
hdrbloom
hdrexposure
hdrtonemap
hqfilter
indexedcube
indirectmaterial
instancedattribs
julia
ktxview
linesmooth
mirrorclampedge
movingtri
msaanative
multidrawindirect
multiscissor
multiviewport
noperspective
normalviewer
objectexploder
ompparticles
packetbuffer
perpixelgloss
phonglighting
polygonsmooth
prefixsum
pmbfractal
pmbstreaming
prefixsum2d
programinfo
raytracer
rimlight
sampleshading
# sb6mrender
sdfdemo
shadowmapping
shapedpoints
simpleclear
simpletexcoords
simpletexture
singlepoint
singletri
sparsetexture
spinnycube
springmass
ssao
starfield
stereo
subroutines
tessellatedcube
tessellatedgstri
tessellatedtri
tessmodes
tesssubdivmodes
toonshading
tunnel
wrapmodes
)
find_package(OpenMP)
if (OPENMP_FOUND)
set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${OpenMP_C_FLAGS}")
set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${OpenMP_CXX_FLAGS}")
endif()
foreach(EXAMPLE ${EXAMPLES})
add_executable(${EXAMPLE} WIN32 src/${EXAMPLE}/${EXAMPLE}.cpp)
set_property(TARGET ${EXAMPLE} PROPERTY DEBUG_POSTFIX _d)
target_link_libraries(${EXAMPLE} ${COMMON_LIBS})
if(MSVC)
configure_file(${PROJECT_SOURCE_DIR}/build/templates/vs2013.vcxproj.user.in ${CMAKE_CURRENT_BINARY_DIR}/${EXAMPLE}.vcxproj.user @ONLY)
endif(MSVC)
endforeach(EXAMPLE)
IF (${CMAKE_SYSTEM_NAME} MATCHES "Linux")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -D_LINUX")
ENDIF (${CMAKE_SYSTEM_NAME} MATCHES "Linux")
include_directories( include )
include_directories(extern/glfw-3.0.4/include)
ADD_CUSTOM_TARGET(debug ${CMAKE_COMMAND} -DCMAKE_BUILD_TYPE:STRING=Debug ${PROJECT_SOURCE_DIR})
ADD_CUSTOM_TARGET(release ${CMAKE_COMMAND} -DCMAKE_BUILD_TYPE:STRING=Release ${PROJECT_SOURCE_DIR})

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OpenGL SuperBible 7th Edition Examples - How to Build
=====================================================
This source code archive uses CMake to build. The samples also use GLFW library, a
snapshot of which is included in the `extern` folder. It's also possible to use a different
copy of GLFW if desired, but that's an excercise for you. Instructions for each supported
platform are as follows:
Windows / Microsoft Visual Studio 2013
--------------------------------------
Install CMake. Windows binaries are available from http://www.cmake.org/.
Ensure that CMake is in your path.
Open a command prompt and change to the directory where you've checked out the code.
### Build GLFW
If you are going to use the copy of GLFW included in the archive, enter the
GLFW directory in `extern/glfw-3.0.4`, and type:
cmake -G "Visual Studio 12" .
(Yes, that's not a mistake - Visual Studio 12 is 2013)
Open the resulting GLFW.sln file in Visual Studio and build both the debug and release configurations.
Copy and rename the resulting glfw3 libraries:
* Copy `glfw-3.0.4/src/Debug/glfw3.lib` into the `lib` directory and **rename it to glfw3_d.lib**.
* Copy `glf3-3.0.4/src/Release/glfw3.lib` into the `lib` directory but don't rename it.
### Build the samples
Open a command prompt and change to the build directory in the source archive.
Type:
cmake -G "Visual Studio 12" ..
Open the resulting superbible7.sln project in Visual Studio.
The examples will build into the `bin` directory.
Linux
-----
As with Windows, the project uses CMake to create build files. You'll
need to install it with the appropriate method for your distribution. On
Debian-based distributions (such as Ubuntu and Mint):
sudo apt-get install cmake
You'll also need to satisfy dependencies. In particular, you'll need GL and
GLX headers and libs (generally included in Mesa packages), and GLFW. You can use
the a snapshot of GLFW included in the archive, if you wish, but pre-compiled
packages should be available through package management on most distributions.
Once you have everything, you should enter the "build" directory in the source
arvhive and issue:
cmake ..
make
The examples will build into the 'bin' directory.
Other platforms
---------------
The code will probably build for other platforms, especially if they are
relatively non-obscure, but nothing besides Windows/Visual Studio and Linux
has been tested. It's up to you to find a capable OpenGL 4.x driver for
your platform of choice. CMake should also be able to build the appropriate
project files for environments such as Code::Blocks and Eclipse, but again,
this is untested.
*Please note carefully: EVEN IF YOU CAN BUILD THE SOURCES FOR YOUR FAVORITE
PLATFORM OF CHOICE, YOU NEED RECENT OpenGL 4.x DRIVERS TO RUN THEM. PLEASE
DON'T PAN THE BOOK BECAUSE YOUR COMPUTER DOESN'T SUPPORT OpenGL 4.x. THANKS*
Running the samples
-------------------
*This part is really important. Please read it!*
Most of the samples require some media files. The media files package is a
separate download available from http://www.openglsuperbible.com and is
rougly 100MB of textures, object files and shader code. Unpack the archive
to the bin/media directory before trying to run these samples.

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bin/media/!OBTAIN_THE_MEDIA_PACK_AND_PUT_IT_HERE.txt Normal file
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Download the media pack from http://www.openglsuperbible.com and unpack it in this directory.

0
build/!RUN CMAKE FROM HERE.txt Normal file
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<?xml version="1.0" encoding="utf-8"?>
<Project ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='RelWithDebInfo|Win32'">
<LocalDebuggerWorkingDirectory>$(TargetDir)</LocalDebuggerWorkingDirectory>
<DebuggerFlavor>WindowsLocalDebugger</DebuggerFlavor>
</PropertyGroup>
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
<LocalDebuggerWorkingDirectory>$(TargetDir)</LocalDebuggerWorkingDirectory>
<DebuggerFlavor>WindowsLocalDebugger</DebuggerFlavor>
</PropertyGroup>
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='MinSizeRel|Win32'">
<LocalDebuggerWorkingDirectory>$(TargetDir)</LocalDebuggerWorkingDirectory>
<DebuggerFlavor>WindowsLocalDebugger</DebuggerFlavor>
</PropertyGroup>
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
<LocalDebuggerWorkingDirectory>$(TargetDir)</LocalDebuggerWorkingDirectory>
<DebuggerFlavor>WindowsLocalDebugger</DebuggerFlavor>
</PropertyGroup>
</Project>

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# External junk
.DS_Store
_ReSharper*
*.opensdf
*.sdf
*.dir
*.vcxproj*
*.sln
Win32
Debug
Release
# CMake files
Makefile
CMakeCache.txt
CMakeFiles
cmake_install.cmake
cmake_uninstall.cmake
# Generated files
docs/Doxyfile
docs/html
docs/warnings.txt
src/glfw_config.h
src/glfw3.pc
src/glfwConfig.cmake
src/glfwConfigVersion.cmake
# Compiled binaries
src/libglfw.so
src/libglfw.so.3
src/libglfw.so.3.0
src/libglfw.dylib
src/libglfw.dylib
src/libglfw.3.dylib
src/libglfw.3.0.dylib
src/libglfw3.a
src/glfw3.lib
src/glfw3.dll
src/glfw3dll.lib
src/glfw3dll.a
examples/*.app
examples/*.exe
examples/boing
examples/gears
examples/heightmap
examples/splitview
examples/simple
examples/wave
tests/*.app
tests/*.exe
tests/accuracy
tests/clipboard
tests/defaults
tests/events
tests/fsaa
tests/gamma
tests/glfwinfo
tests/iconify
tests/joysticks
tests/modes
tests/peter
tests/reopen
tests/sharing
tests/tearing
tests/threads
tests/title
tests/version
tests/windows

13
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# Define the environment for cross compiling from Linux to Win64
SET(CMAKE_SYSTEM_NAME Windows)
SET(CMAKE_SYSTEM_VERSION 1)
SET(CMAKE_C_COMPILER "amd64-mingw32msvc-gcc")
SET(CMAKE_CXX_COMPILER "amd64-mingw32msvc-g++")
SET(CMAKE_RC_COMPILER "amd64-mingw32msvc-windres")
SET(CMAKE_RANLIB "amd64-mingw32msvc-ranlib")
# Configure the behaviour of the find commands
SET(CMAKE_FIND_ROOT_PATH "/usr/amd64-mingw32msvc")
SET(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
SET(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
SET(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)

13
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# Define the environment for cross compiling from Linux to Win32
SET(CMAKE_SYSTEM_NAME Windows)
SET(CMAKE_SYSTEM_VERSION 1)
SET(CMAKE_C_COMPILER "i586-mingw32msvc-gcc")
SET(CMAKE_CXX_COMPILER "i586-mingw32msvc-g++")
SET(CMAKE_RC_COMPILER "i586-mingw32msvc-windres")
SET(CMAKE_RANLIB "i586-mingw32msvc-ranlib")
# Configure the behaviour of the find commands
SET(CMAKE_FIND_ROOT_PATH "/usr/i586-mingw32msvc")
SET(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
SET(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
SET(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)

13
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# Define the environment for cross compiling from Linux to Win32
SET(CMAKE_SYSTEM_NAME Windows) # Target system name
SET(CMAKE_SYSTEM_VERSION 1)
SET(CMAKE_C_COMPILER "i686-pc-mingw32-gcc")
SET(CMAKE_CXX_COMPILER "i686-pc-mingw32-g++")
SET(CMAKE_RC_COMPILER "i686-pc-mingw32-windres")
SET(CMAKE_RANLIB "i686-pc-mingw32-ranlib")
#Configure the behaviour of the find commands
SET(CMAKE_FIND_ROOT_PATH "/opt/mingw/usr/i686-pc-mingw32")
SET(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
SET(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
SET(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)

13
extern/glfw-3.0.4/CMake/i686-w64-mingw32.cmake vendored Normal file
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# Define the environment for cross compiling from Linux to Win32
SET(CMAKE_SYSTEM_NAME Windows) # Target system name
SET(CMAKE_SYSTEM_VERSION 1)
SET(CMAKE_C_COMPILER "i686-w64-mingw32-gcc")
SET(CMAKE_CXX_COMPILER "i686-w64-mingw32-g++")
SET(CMAKE_RC_COMPILER "i686-w64-mingw32-windres")
SET(CMAKE_RANLIB "i686-w64-mingw32-ranlib")
# Configure the behaviour of the find commands
SET(CMAKE_FIND_ROOT_PATH "/usr/i686-w64-mingw32")
SET(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
SET(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
SET(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)

16
extern/glfw-3.0.4/CMake/modules/FindEGL.cmake vendored Normal file
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# Find EGL
#
# EGL_INCLUDE_DIR
# EGL_LIBRARY
# EGL_FOUND
find_path(EGL_INCLUDE_DIR NAMES EGL/egl.h)
set(EGL_NAMES ${EGL_NAMES} egl EGL)
find_library(EGL_LIBRARY NAMES ${EGL_NAMES})
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(EGL DEFAULT_MSG EGL_LIBRARY EGL_INCLUDE_DIR)
mark_as_advanced(EGL_INCLUDE_DIR EGL_LIBRARY)

16
extern/glfw-3.0.4/CMake/modules/FindGLESv1.cmake vendored Normal file
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# Find GLESv1
#
# GLESv1_INCLUDE_DIR
# GLESv1_LIBRARY
# GLESv1_FOUND
find_path(GLESv1_INCLUDE_DIR NAMES GLES/gl.h)
set(GLESv1_NAMES ${GLESv1_NAMES} GLESv1_CM)
find_library(GLESv1_LIBRARY NAMES ${GLESv1_NAMES})
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(GLESv1 DEFAULT_MSG GLESv1_LIBRARY GLESv1_INCLUDE_DIR)
mark_as_advanced(GLESv1_INCLUDE_DIR GLESv1_LIBRARY)

16
extern/glfw-3.0.4/CMake/modules/FindGLESv2.cmake vendored Normal file
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# Find GLESv2
#
# GLESv2_INCLUDE_DIR
# GLESv2_LIBRARY
# GLESv2_FOUND
find_path(GLESv2_INCLUDE_DIR NAMES GLES2/gl2.h)
set(GLESv2_NAMES ${GLESv2_NAMES} GLESv2)
find_library(GLESv2_LIBRARY NAMES ${GLESv2_NAMES})
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(GLESv2 DEFAULT_MSG GLESv2_LIBRARY GLESv2_INCLUDE_DIR)
mark_as_advanced(GLESv2_INCLUDE_DIR GLESv2_LIBRARY)

13
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# Define the environment for cross compiling from Linux to Win32
SET(CMAKE_SYSTEM_NAME Windows) # Target system name
SET(CMAKE_SYSTEM_VERSION 1)
SET(CMAKE_C_COMPILER "x86_64-w64-mingw32-gcc")
SET(CMAKE_CXX_COMPILER "x86_64-w64-mingw32-g++")
SET(CMAKE_RC_COMPILER "x86_64-w64-mingw32-windres")
SET(CMAKE_RANLIB "x86_64-w64-mingw32-ranlib")
# Configure the behaviour of the find commands
SET(CMAKE_FIND_ROOT_PATH "/usr/x86_64-w64-mingw32")
SET(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
SET(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
SET(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)

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extern/glfw-3.0.4/CMakeLists.txt vendored Normal file
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project(GLFW C)
cmake_minimum_required(VERSION 2.8)
set(GLFW_VERSION_MAJOR "3")
set(GLFW_VERSION_MINOR "0")
set(GLFW_VERSION_PATCH "4")
set(GLFW_VERSION_EXTRA "")
set(GLFW_VERSION "${GLFW_VERSION_MAJOR}.${GLFW_VERSION_MINOR}")
set(GLFW_VERSION_FULL "${GLFW_VERSION}.${GLFW_VERSION_PATCH}${GLFW_VERSION_EXTRA}")
set(LIB_SUFFIX "" CACHE STRING "Takes an empty string or 64. Directory where lib will be installed: lib or lib64")
option(BUILD_SHARED_LIBS "Build shared libraries" OFF)
option(GLFW_BUILD_EXAMPLES "Build the GLFW example programs" ON)
option(GLFW_BUILD_TESTS "Build the GLFW test programs" ON)
option(GLFW_BUILD_DOCS "Build the GLFW documentation" ON)
option(GLFW_INSTALL "Generate installation target" ON)
option(GLFW_DOCUMENT_INTERNALS "Include internals in documentation" OFF)
if (WIN32)
option(GLFW_USE_DWM_SWAP_INTERVAL "Set swap interval even when DWM compositing is enabled" OFF)
option(GLFW_USE_OPTIMUS_HPG "Force use of high-performance GPU on Optimus systems" OFF)
endif()
if (APPLE)
option(GLFW_BUILD_UNIVERSAL "Build GLFW as a Universal Binary" OFF)
option(GLFW_USE_CHDIR "Make glfwInit chdir to Contents/Resources" ON)
option(GLFW_USE_MENUBAR "Populate the menu bar on first window creation" ON)
else()
option(GLFW_USE_EGL "Use EGL for context creation" OFF)
endif()
if (MSVC)
option(USE_MSVC_RUNTIME_LIBRARY_DLL "Use MSVC runtime library DLL" ON)
endif()
if (BUILD_SHARED_LIBS)
set(_GLFW_BUILD_DLL 1)
endif()
if (GLFW_USE_EGL)
set(GLFW_CLIENT_LIBRARY "opengl" CACHE STRING
"The client library to use; one of opengl, glesv1 or glesv2")
if (${GLFW_CLIENT_LIBRARY} STREQUAL "opengl")
set(_GLFW_USE_OPENGL 1)
elseif (${GLFW_CLIENT_LIBRARY} STREQUAL "glesv1")
set(_GLFW_USE_GLESV1 1)
elseif (${GLFW_CLIENT_LIBRARY} STREQUAL "glesv2")
set(_GLFW_USE_GLESV2 1)
else()
message(FATAL_ERROR "Unsupported client library")
endif()
set(CMAKE_MODULE_PATH ${PROJECT_SOURCE_DIR}/CMake/modules)
find_package(EGL REQUIRED)
if (NOT _GLFW_USE_OPENGL)
set(GLFW_BUILD_EXAMPLES OFF)
set(GLFW_BUILD_TESTS OFF)
message(STATUS "NOTE: Examples and tests require OpenGL")
endif()
else()
set(_GLFW_USE_OPENGL 1)
endif()
if (_GLFW_USE_OPENGL)
find_package(OpenGL REQUIRED)
elseif (_GLFW_USE_GLESV1)
find_package(GLESv1 REQUIRED)
elseif (_GLFW_USE_GLESV2)
find_package(GLESv2 REQUIRED)
endif()
find_package(Threads REQUIRED)
if (GLFW_BUILD_DOCS)
set(DOXYGEN_SKIP_DOT TRUE)
find_package(Doxygen)
if (GLFW_DOCUMENT_INTERNALS)
set(GLFW_INTERNAL_DOCS "${GLFW_SOURCE_DIR}/src/internal.h ${GLFW_SOURCE_DIR}/docs/internal.dox")
endif()
endif()
#--------------------------------------------------------------------
# Set compiler specific flags
#--------------------------------------------------------------------
if (UNIX)
add_definitions(-Wall)
if (BUILD_SHARED_LIBS)
add_definitions(-fvisibility=hidden)
endif()
endif()
if (MSVC)
add_definitions(-D_CRT_SECURE_NO_WARNINGS)
if (NOT USE_MSVC_RUNTIME_LIBRARY_DLL)
foreach (flag CMAKE_C_FLAGS
CMAKE_C_FLAGS_DEBUG
CMAKE_C_FLAGS_RELEASE
CMAKE_C_FLAGS_MINSIZEREL
CMAKE_C_FLAGS_RELWITHDEBINFO)
if (${flag} MATCHES "/MD")
string(REGEX REPLACE "/MD" "/MT" ${flag} "${${flag}}")
endif()
if (${flag} MATCHES "/MDd")
string(REGEX REPLACE "/MDd" "/MTd" ${flag} "${${flag}}")
endif()
endforeach()
endif()
endif()
#--------------------------------------------------------------------
# Detect and select backend APIs
#--------------------------------------------------------------------
if (WIN32)
set(_GLFW_WIN32 1)
message(STATUS "Using Win32 for window creation")
if (GLFW_USE_EGL)
set(_GLFW_EGL 1)
message(STATUS "Using EGL for context creation")
else()
set(_GLFW_WGL 1)
message(STATUS "Using WGL for context creation")
endif()
elseif (APPLE)
set(_GLFW_COCOA 1)
message(STATUS "Using Cocoa for window creation")
set(_GLFW_NSGL 1)
message(STATUS "Using NSGL for context creation")
elseif (UNIX)
set(_GLFW_X11 1)
message(STATUS "Using X11 for window creation")
if (GLFW_USE_EGL)
set(_GLFW_EGL 1)
message(STATUS "Using EGL for context creation")
else()
set(_GLFW_GLX 1)
message(STATUS "Using GLX for context creation")
endif()
else()
message(FATAL_ERROR "No supported platform was detected")
endif()
#--------------------------------------------------------------------
# Use Win32 for window creation
#--------------------------------------------------------------------
if (_GLFW_WIN32)
# The DLL links against winmm; the static library loads it
# That way, both code paths receive testing
if (BUILD_SHARED_LIBS)
set(_GLFW_NO_DLOAD_WINMM 1)
list(APPEND glfw_LIBRARIES winmm)
endif()
if (GLFW_USE_DWM_SWAP_INTERVAL)
set(_GLFW_USE_DWM_SWAP_INTERVAL 1)
endif()
if (GLFW_USE_OPTIMUS_HPG)
set(_GLFW_USE_OPTIMUS_HPG 1)
endif()
# HACK: When building on MinGW, WINVER and UNICODE need to be defined before
# the inclusion of stddef.h (by glfw3.h), which is itself included before
# win32_platform.h. We define them here until a saner solution can be found
# NOTE: MinGW-w64 and Visual C++ do /not/ need this hack.
add_definitions(-DUNICODE)
add_definitions(-DWINVER=0x0501)
endif()
#--------------------------------------------------------------------
# Use WGL for context creation
#--------------------------------------------------------------------
if (_GLFW_WGL)
list(APPEND glfw_INCLUDE_DIRS ${OPENGL_INCLUDE_DIR})
list(APPEND glfw_LIBRARIES ${OPENGL_gl_LIBRARY})
endif()
#--------------------------------------------------------------------
# Use X11 for window creation
#--------------------------------------------------------------------
if (_GLFW_X11)
find_package(X11 REQUIRED)
set(GLFW_PKG_DEPS "${GLFW_PKG_DEPS} x11")
# Set up library and include paths
list(APPEND glfw_INCLUDE_DIRS ${X11_X11_INCLUDE_PATH})
list(APPEND glfw_LIBRARIES ${X11_X11_LIB} ${CMAKE_THREAD_LIBS_INIT})
if (UNIX AND NOT APPLE)
list(APPEND glfw_LIBRARIES ${RT_LIBRARY})
endif()
# Check for XRandR (modern resolution switching and gamma control)
if (NOT X11_Xrandr_FOUND)
message(FATAL_ERROR "The RandR library and headers were not found")
endif()
list(APPEND glfw_INCLUDE_DIRS ${X11_Xrandr_INCLUDE_PATH})
list(APPEND glfw_LIBRARIES ${X11_Xrandr_LIB})
set(GLFW_PKG_DEPS "${GLFW_PKG_DEPS} xrandr")
# Check for XInput (high-resolution cursor motion)
if (NOT X11_Xinput_FOUND)
message(FATAL_ERROR "The XInput library and headers were not found")
endif()
list(APPEND glfw_INCLUDE_DIRS ${X11_Xinput_INCLUDE_PATH})
if (X11_Xinput_LIB)
list(APPEND glfw_LIBRARIES ${X11_Xinput_LIB})
else()
# Backwards compatibility (bug in CMake 2.8.7)
list(APPEND glfw_LIBRARIES Xi)
endif()
set(GLFW_PKG_DEPS "${GLFW_PKG_DEPS} xi")
# Check for Xf86VidMode (fallback gamma control)
if (NOT X11_xf86vmode_FOUND)
message(FATAL_ERROR "The Xf86VidMode library and headers were not found")
endif()
list(APPEND glfw_INCLUDE_DIRS ${X11_xf86vmode_INCLUDE_PATH})
set(GLFW_PKG_DEPS "${GLFW_PKG_DEPS} xxf86vm")
if (X11_Xxf86vm_LIB)
list(APPEND glfw_LIBRARIES ${X11_Xxf86vm_LIB})
else()
# Backwards compatibility (see CMake bug 0006976)
list(APPEND glfw_LIBRARIES Xxf86vm)
endif()
# Check for Xkb (X keyboard extension)
if (NOT X11_Xkb_FOUND)
message(FATAL_ERROR "The X keyboard extension headers were not found")
endif()
list(APPEND glfw_INCLUDE_DIR ${X11_Xkb_INCLUDE_PATH})
find_library(RT_LIBRARY rt)
mark_as_advanced(RT_LIBRARY)
if (RT_LIBRARY)
list(APPEND glfw_LIBRARIES ${RT_LIBRARY})
set(GLFW_PKG_LIBS "${GLFW_PKG_LIBS} -lrt")
endif()
find_library(MATH_LIBRARY m)
mark_as_advanced(MATH_LIBRARY)
if (MATH_LIBRARY)
list(APPEND glfw_LIBRARIES ${MATH_LIBRARY})
set(GLFW_PKG_LIBS "${GLFW_PKG_LIBS} -lm")
endif()
endif()
#--------------------------------------------------------------------
# Use GLX for context creation
#--------------------------------------------------------------------
if (_GLFW_GLX)
list(APPEND glfw_INCLUDE_DIRS ${OPENGL_INCLUDE_DIR})
list(APPEND glfw_LIBRARIES ${OPENGL_gl_LIBRARY})
set(GLFW_PKG_DEPS "${GLFW_PKG_DEPS} gl")
include(CheckFunctionExists)
set(CMAKE_REQUIRED_LIBRARIES ${OPENGL_gl_LIBRARY})
check_function_exists(glXGetProcAddress _GLFW_HAS_GLXGETPROCADDRESS)
check_function_exists(glXGetProcAddressARB _GLFW_HAS_GLXGETPROCADDRESSARB)
check_function_exists(glXGetProcAddressEXT _GLFW_HAS_GLXGETPROCADDRESSEXT)
if (NOT _GLFW_HAS_GLXGETPROCADDRESS AND
NOT _GLFW_HAS_GLXGETPROCADDRESSARB AND
NOT _GLFW_HAS_GLXGETPROCADDRESSEXT)
message(WARNING "No glXGetProcAddressXXX variant found")
# Check for dlopen support as a fallback
set(CMAKE_REQUIRED_LIBRARIES ${CMAKE_DL_LIBS})
check_function_exists(dlopen _GLFW_HAS_DLOPEN)
if (NOT _GLFW_HAS_DLOPEN)
message(FATAL_ERROR "No entry point retrieval mechanism found")
endif()
if (CMAKE_DL_LIBS)
list(APPEND glfw_LIBRARIES ${CMAKE_DL_LIBS})
set(GLFW_PKG_LIBS "${GLFW_PKG_LIBS} -l${CMAKE_DL_LIBS}")
endif()
endif()
endif()
#--------------------------------------------------------------------
# Use EGL for context creation
#--------------------------------------------------------------------
if (_GLFW_EGL)
list(APPEND glfw_INCLUDE_DIRS ${EGL_INCLUDE_DIR})
list(APPEND glfw_LIBRARIES ${EGL_LIBRARY})
if (UNIX)
set(GLFW_PKG_DEPS "${GLFW_PKG_DEPS} egl")
endif()
if (_GLFW_USE_OPENGL)
list(APPEND glfw_LIBRARIES ${OPENGL_gl_LIBRARY})
list(APPEND glfw_INCLUDE_DIRS ${OPENGL_INCLUDE_DIR})
set(GLFW_PKG_DEPS "${GLFW_PKG_DEPS} gl")
elseif (_GLFW_USE_GLESV1)
list(APPEND glfw_LIBRARIES ${GLESv1_LIBRARY})
list(APPEND glfw_INCLUDE_DIRS ${GLESv1_INCLUDE_DIR})
set(GLFW_PKG_DEPS "${GLFW_PKG_DEPS} glesv1_cm")
elseif (_GLFW_USE_GLESV2)
list(APPEND glfw_LIBRARIES ${GLESv2_LIBRARY})
list(APPEND glfw_INCLUDE_DIRS ${GLESv2_INCLUDE_DIR})
set(GLFW_PKG_DEPS "${GLFW_PKG_DEPS} glesv2")
endif()
endif()
#--------------------------------------------------------------------
# Use Cocoa for window creation and NSOpenGL for context creation
#--------------------------------------------------------------------
if (_GLFW_COCOA AND _GLFW_NSGL)
if (GLFW_USE_MENUBAR)
set(_GLFW_USE_MENUBAR 1)
endif()
if (GLFW_USE_CHDIR)
set(_GLFW_USE_CHDIR 1)
endif()
if (GLFW_BUILD_UNIVERSAL)
message(STATUS "Building GLFW as Universal Binaries")
set(CMAKE_OSX_ARCHITECTURES i386;x86_64)
else()
message(STATUS "Building GLFW only for the native architecture")
endif()
# Set up library and include paths
find_library(COCOA_FRAMEWORK Cocoa)
find_library(IOKIT_FRAMEWORK IOKit)
find_library(CORE_FOUNDATION_FRAMEWORK CoreFoundation)
find_library(CORE_VIDEO_FRAMEWORK CoreVideo)
list(APPEND glfw_LIBRARIES ${COCOA_FRAMEWORK}
${OPENGL_gl_LIBRARY}
${IOKIT_FRAMEWORK}
${CORE_FOUNDATION_FRAMEWORK}
${CORE_VIDEO_FRAMEWORK})
set(GLFW_PKG_DEPS "")
set(GLFW_PKG_LIBS "-framework Cocoa -framework OpenGL -framework IOKit -framework CoreFoundation -framework CoreVideo")
endif()
#--------------------------------------------------------------------
# Export GLFW library dependencies
#--------------------------------------------------------------------
set(GLFW_LIBRARIES ${glfw_LIBRARIES} CACHE STRING "Dependencies of GLFW")
#--------------------------------------------------------------------
# Choose library output name
#--------------------------------------------------------------------
if (BUILD_SHARED_LIBS AND UNIX)
# On Unix-like systems, shared libraries can use the soname system.
set(GLFW_LIB_NAME glfw)
else()
set(GLFW_LIB_NAME glfw3)
endif()
#--------------------------------------------------------------------
# Create generated files
#--------------------------------------------------------------------
configure_file(${GLFW_SOURCE_DIR}/docs/Doxyfile.in
${GLFW_BINARY_DIR}/docs/Doxyfile @ONLY)
configure_file(${GLFW_SOURCE_DIR}/src/glfw_config.h.in
${GLFW_BINARY_DIR}/src/glfw_config.h @ONLY)
configure_file(${GLFW_SOURCE_DIR}/src/glfwConfig.cmake.in
${GLFW_BINARY_DIR}/src/glfwConfig.cmake @ONLY)
configure_file(${GLFW_SOURCE_DIR}/src/glfwConfigVersion.cmake.in
${GLFW_BINARY_DIR}/src/glfwConfigVersion.cmake @ONLY)
if (UNIX)
configure_file(${GLFW_SOURCE_DIR}/src/glfw3.pc.in
${GLFW_BINARY_DIR}/src/glfw3.pc @ONLY)
endif()
#--------------------------------------------------------------------
# Add subdirectories
#--------------------------------------------------------------------
add_subdirectory(src)
if (GLFW_BUILD_EXAMPLES)
add_subdirectory(examples)
endif()
if (GLFW_BUILD_TESTS)
add_subdirectory(tests)
endif()
if (DOXYGEN_FOUND AND GLFW_BUILD_DOCS)
add_subdirectory(docs)
endif()
#--------------------------------------------------------------------
# Install files other than the library
# The library is installed by src/CMakeLists.txt
#--------------------------------------------------------------------
if (GLFW_INSTALL)
install(DIRECTORY include/GLFW DESTINATION include
FILES_MATCHING PATTERN glfw3.h PATTERN glfw3native.h)
install(FILES ${GLFW_BINARY_DIR}/src/glfwConfig.cmake
${GLFW_BINARY_DIR}/src/glfwConfigVersion.cmake
DESTINATION lib${LIB_SUFFIX}/cmake/glfw)
if (UNIX)
install(EXPORT glfwTargets DESTINATION lib${LIB_SUFFIX}/cmake/glfw)
install(FILES ${GLFW_BINARY_DIR}/src/glfw3.pc
DESTINATION lib${LIB_SUFFIX}/pkgconfig)
endif()
# Only generate this target if no higher-level project already has
if (NOT TARGET uninstall)
configure_file(${GLFW_SOURCE_DIR}/cmake_uninstall.cmake.in
${GLFW_BINARY_DIR}/cmake_uninstall.cmake IMMEDIATE @ONLY)
add_custom_target(uninstall
${CMAKE_COMMAND} -P
${GLFW_BINARY_DIR}/cmake_uninstall.cmake)
endif()
endif()

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Copyright (c) 2002-2006 Marcus Geelnard
Copyright (c) 2006-2010 Camilla Berglund <elmindreda@elmindreda.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would
be appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not
be misrepresented as being the original software.
3. This notice may not be removed or altered from any source
distribution.

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# GLFW
## Introduction
GLFW is a free, Open Source, portable library for OpenGL and OpenGL ES
application development. It provides a simple, platform-independent API for
creating windows and contexts, reading input, handling events, etc.
Version 3.0.4 adds better support for custom build environments and fixes for
a large number of bugs that together affect all supported platforms. As this is
a patch release, there are no API changes.
If you are new to GLFW, you may find the
[introductory tutorial](http://www.glfw.org/docs/latest/quick.html) for GLFW
3 useful. If you have used GLFW 2 in the past, there is a
[transition guide](http://www.glfw.org/docs/latest/moving.html) for moving to
the GLFW 3 API.
## Compiling GLFW
See the [Compiling GLFW](http://www.glfw.org/docs/latest/compile.html) guide in
the GLFW documentation.
## Using GLFW
See the
[Building programs that use GLFW](http://www.glfw.org/docs/latest/build.html)
guide in the GLFW documentation.
## Changelog
- Added the `GLFW_BUILD_DOCS` CMake option for controlling whether the
documentation is built
- Added the `_GLFW_USE_CONFIG_H` configuration macro for controlling whether to
include the configuration header
- Moved version number macro to `internal.h` for easier manual compilation
- Renamed configuration header to `glfw_config.h` to avoid conflicts
- Bugfix: The `glfw3.pc` file did not respect the `LIB_SUFFIX` CMake option
- Bugfix: The `joysticks` test would segfault if a controller had no axes
- [Win32] Allowed swap interval to be explicitly set to zero on DWM systems
- [Win32] Bugfix: Removed joystick axis value negation left over from GLFW 2
- [Win32] Bugfix: Restoring windows using the Win+D hot key did not trigger the
focus callback
- [Win32] Bugfix: The disabled cursor mode clip rectangle was updated for
unfocused windows
- [Win32] Bugfix: Cursor was not properly re-centered over odd-sized windows
- [Win32] Bugfix: Negative window positions were reported incorrectly
- [Win32] Bugfix: The iconify callback was not triggered when switching away
from a full screen window using Alt+Tab
- [Win32] Bugfix: Resizing a window with `glfwSetWindowSize` gave it focus
- [Cocoa] Added dependency on CoreVideo framework for refresh rate retrieval
- [Cocoa] Enabled Lion full screen for resizable windowed mode windows
- [Cocoa] Moved to Cocoa API for application transformation and activation
- [Cocoa] Bugfix: The `GLFW_KEY_GRAVE_ACCENT` key was reported as
`GLFW_KEY_WORLD_1` and vice versa
- [Cocoa] Bugfix: The `GLFW_KEY_F13` key was reported as
`GLFW_KEY_PRINT_SCREEN`
- [Cocoa] Bugfix: Implicit conversion from `NSUInteger` to int caused warnings
with Xcode 5
- [Cocoa] Bugfix: Use of undeclared selectors with `@selector` caused warnings
with Xcode 5
- [Cocoa] Bugfix: The cursor remained visible if moved onto client area after
having been set to hidden outside it
- [Cocoa] Bugfix: The refresh rate was zero for all modes of certain monitors
- [Cocoa] Bugfix: The `install_name` field of the dynamic library was not set
- [Cocoa] Bugfix: Full screen windows were never reported as having focus
- [Cocoa] Bugfix: A superfluous I/O flag test prevented video modes from being
listed for Thunderbolt monitor
- [Cocoa] Bugfix: Retrieving the name of some external displays caused segfault
- [Cocoa] Bugfix: The 10.9 SDK defines `GLintptrARB` and `GLsizeiptrARB`
differently from the Khronos `glext.h`
- [Cocoa] Bugfix: Creating hidden windows would steal application focus
- [Cocoa] Bugfix: Controllers were reported as having zero buttons and axes
- [Cocoa] Bugfix: Removed joystick axis value negation left over from GLFW 2
- [X11] Added setting of the `WM_CLASS` property to the initial window title
- [X11] Added support for `_NET_WM_BYPASS_COMPOSITOR`
- [X11] Bugfix: Removed joystick axis value negation left over from GLFW 2
- [X11] Bugfix: The position of hidden windows was ignored by Metacity
and Compiz
- [X11] Bugfix: The `pthread.h` header was not included by the GLX platform
header.
## Contact
The official website for GLFW is [glfw.org](http://www.glfw.org/). There you
can find the latest version of GLFW, as well as news, documentation and other
information about the project.
If you have questions related to the use of GLFW, we have a
[support forum](https://sourceforge.net/p/glfw/discussion/247562/), and the IRC
channel `#glfw` on [Freenode](http://freenode.net/).
If you have a bug to report, a patch to submit or a feature you'd like to
request, please file it in the
[issue tracker](https://github.com/glfw/glfw/issues) on GitHub.
Finally, if you're interested in helping out with the development of GLFW or
porting it to your favorite platform, we have an occasionally active
[developer's mailing list](https://lists.stacken.kth.se/mailman/listinfo/glfw-dev),
or you could join us on `#glfw`.
## Acknowledgements
GLFW exists because people around the world donated their time and lent their
skills.
- Bobyshev Alexander
- artblanc
- arturo
- Matt Arsenault
- Keith Bauer
- John Bartholomew
- Niklas Behrens
- Niklas Bergström
- Doug Binks
- blanco
- Lambert Clara
- Andrew Corrigan
- Noel Cower
- Jarrod Davis
- Olivier Delannoy
- Paul R. Deppe
- Jonathan Dummer
- Ralph Eastwood
- Michael Fogleman
- Gerald Franz
- GeO4d
- Marcus Geelnard
- Stefan Gustavson
- Sylvain Hellegouarch
- heromyth
- Paul Holden
- Toni Jovanoski
- Osman Keskin
- Cameron King
- Peter Knut
- Robin Leffmann
- Glenn Lewis
- Shane Liesegang
- Дмитри Малышев
- Martins Mozeiko
- Tristam MacDonald
- Hans Mackowiak
- Kyle McDonald
- David Medlock
- Jonathan Mercier
- Marcel Metz
- Kenneth Miller
- Bruce Mitchener
- Jack Moffitt
- Jeff Molofee
- Jon Morton
- Pierre Moulon
- Julian Møller
- Kamil Nowakowski
- Ozzy
- Andri Pálsson
- Peoro
- Braden Pellett
- Arturo J. Pérez
- Pieroman
- Jorge Rodriguez
- Ed Ropple
- Riku Salminen
- Sebastian Schuberth
- Matt Sealey
- SephiRok
- Steve Sexton
- Systemcluster
- Dmitri Shuralyov
- Daniel Skorupski
- Bradley Smith
- Julian Squires
- Johannes Stein
- Justin Stoecker
- Nathan Sweet
- TTK-Bandit
- Sergey Tikhomirov
- Samuli Tuomola
- urraka
- Jari Vetoniemi
- Simon Voordouw
- Torsten Walluhn
- Jay Weisskopf
- Frank Wille
- yuriks
- Santi Zupancic
- Lasse Öörni
- All the unmentioned and anonymous contributors in the GLFW community, for bug
reports, patches, feedback, testing and encouragement

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extern/glfw-3.0.4/cmake_uninstall.cmake.in vendored Normal file
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if (NOT EXISTS "@CMAKE_CURRENT_BINARY_DIR@/install_manifest.txt")
message(FATAL_ERROR "Cannot find install manifest: \"@CMAKE_CURRENT_BINARY_DIR@/install_manifest.txt\"")
endif()
file(READ "@CMAKE_CURRENT_BINARY_DIR@/install_manifest.txt" files)
string(REGEX REPLACE "\n" ";" files "${files}")
foreach (file ${files})
message(STATUS "Uninstalling \"$ENV{DESTDIR}${file}\"")
if (EXISTS "$ENV{DESTDIR}${file}")
exec_program("@CMAKE_COMMAND@" ARGS "-E remove \"$ENV{DESTDIR}${file}\""
OUTPUT_VARIABLE rm_out
RETURN_VALUE rm_retval)
if (NOT "${rm_retval}" STREQUAL 0)
MESSAGE(FATAL_ERROR "Problem when removing \"$ENV{DESTDIR}${file}\"")
endif()
elseif (IS_SYMLINK "$ENV{DESTDIR}${file}")
EXEC_PROGRAM("@CMAKE_COMMAND@" ARGS "-E remove \"$ENV{DESTDIR}${file}\""
OUTPUT_VARIABLE rm_out
RETURN_VALUE rm_retval)
if (NOT "${rm_retval}" STREQUAL 0)
message(FATAL_ERROR "Problem when removing symlink \"$ENV{DESTDIR}${file}\"")
endif()
else()
message(STATUS "File \"$ENV{DESTDIR}${file}\" does not exist.")
endif()
endforeach()

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#ifndef __eglext_h_
#define __eglext_h_
#ifdef __cplusplus
extern "C" {
#endif
/*
** Copyright (c) 2007-2013 The Khronos Group Inc.
**
** Permission is hereby granted, free of charge, to any person obtaining a
** copy of this software and/or associated documentation files (the
** "Materials"), to deal in the Materials without restriction, including
** without limitation the rights to use, copy, modify, merge, publish,
** distribute, sublicense, and/or sell copies of the Materials, and to
** permit persons to whom the Materials are furnished to do so, subject to
** the following conditions:
**
** The above copyright notice and this permission notice shall be included
** in all copies or substantial portions of the Materials.
**
** THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
** MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
*/
#include <EGL/eglplatform.h>
/*************************************************************/
/* Header file version number */
/* Current version at http://www.khronos.org/registry/egl/ */
/* $Revision: 20690 $ on $Date: 2013-02-22 17:15:05 -0800 (Fri, 22 Feb 2013) $ */
#define EGL_EGLEXT_VERSION 15
#ifndef EGL_KHR_config_attribs
#define EGL_KHR_config_attribs 1
#define EGL_CONFORMANT_KHR 0x3042 /* EGLConfig attribute */
#define EGL_VG_COLORSPACE_LINEAR_BIT_KHR 0x0020 /* EGL_SURFACE_TYPE bitfield */
#define EGL_VG_ALPHA_FORMAT_PRE_BIT_KHR 0x0040 /* EGL_SURFACE_TYPE bitfield */
#endif
#ifndef EGL_KHR_lock_surface
#define EGL_KHR_lock_surface 1
#define EGL_READ_SURFACE_BIT_KHR 0x0001 /* EGL_LOCK_USAGE_HINT_KHR bitfield */
#define EGL_WRITE_SURFACE_BIT_KHR 0x0002 /* EGL_LOCK_USAGE_HINT_KHR bitfield */
#define EGL_LOCK_SURFACE_BIT_KHR 0x0080 /* EGL_SURFACE_TYPE bitfield */
#define EGL_OPTIMAL_FORMAT_BIT_KHR 0x0100 /* EGL_SURFACE_TYPE bitfield */
#define EGL_MATCH_FORMAT_KHR 0x3043 /* EGLConfig attribute */
#define EGL_FORMAT_RGB_565_EXACT_KHR 0x30C0 /* EGL_MATCH_FORMAT_KHR value */
#define EGL_FORMAT_RGB_565_KHR 0x30C1 /* EGL_MATCH_FORMAT_KHR value */
#define EGL_FORMAT_RGBA_8888_EXACT_KHR 0x30C2 /* EGL_MATCH_FORMAT_KHR value */
#define EGL_FORMAT_RGBA_8888_KHR 0x30C3 /* EGL_MATCH_FORMAT_KHR value */
#define EGL_MAP_PRESERVE_PIXELS_KHR 0x30C4 /* eglLockSurfaceKHR attribute */
#define EGL_LOCK_USAGE_HINT_KHR 0x30C5 /* eglLockSurfaceKHR attribute */
#define EGL_BITMAP_POINTER_KHR 0x30C6 /* eglQuerySurface attribute */
#define EGL_BITMAP_PITCH_KHR 0x30C7 /* eglQuerySurface attribute */
#define EGL_BITMAP_ORIGIN_KHR 0x30C8 /* eglQuerySurface attribute */
#define EGL_BITMAP_PIXEL_RED_OFFSET_KHR 0x30C9 /* eglQuerySurface attribute */
#define EGL_BITMAP_PIXEL_GREEN_OFFSET_KHR 0x30CA /* eglQuerySurface attribute */
#define EGL_BITMAP_PIXEL_BLUE_OFFSET_KHR 0x30CB /* eglQuerySurface attribute */
#define EGL_BITMAP_PIXEL_ALPHA_OFFSET_KHR 0x30CC /* eglQuerySurface attribute */
#define EGL_BITMAP_PIXEL_LUMINANCE_OFFSET_KHR 0x30CD /* eglQuerySurface attribute */
#define EGL_LOWER_LEFT_KHR 0x30CE /* EGL_BITMAP_ORIGIN_KHR value */
#define EGL_UPPER_LEFT_KHR 0x30CF /* EGL_BITMAP_ORIGIN_KHR value */
#ifdef EGL_EGLEXT_PROTOTYPES
EGLAPI EGLBoolean EGLAPIENTRY eglLockSurfaceKHR (EGLDisplay display, EGLSurface surface, const EGLint *attrib_list);
EGLAPI EGLBoolean EGLAPIENTRY eglUnlockSurfaceKHR (EGLDisplay display, EGLSurface surface);
#endif /* EGL_EGLEXT_PROTOTYPES */
typedef EGLBoolean (EGLAPIENTRYP PFNEGLLOCKSURFACEKHRPROC) (EGLDisplay display, EGLSurface surface, const EGLint *attrib_list);
typedef EGLBoolean (EGLAPIENTRYP PFNEGLUNLOCKSURFACEKHRPROC) (EGLDisplay display, EGLSurface surface);
#endif
#ifndef EGL_KHR_image
#define EGL_KHR_image 1
#define EGL_NATIVE_PIXMAP_KHR 0x30B0 /* eglCreateImageKHR target */
typedef void *EGLImageKHR;
#define EGL_NO_IMAGE_KHR ((EGLImageKHR)0)
#ifdef EGL_EGLEXT_PROTOTYPES
EGLAPI EGLImageKHR EGLAPIENTRY eglCreateImageKHR (EGLDisplay dpy, EGLContext ctx, EGLenum target, EGLClientBuffer buffer, const EGLint *attrib_list);
EGLAPI EGLBoolean EGLAPIENTRY eglDestroyImageKHR (EGLDisplay dpy, EGLImageKHR image);
#endif /* EGL_EGLEXT_PROTOTYPES */
typedef EGLImageKHR (EGLAPIENTRYP PFNEGLCREATEIMAGEKHRPROC) (EGLDisplay dpy, EGLContext ctx, EGLenum target, EGLClientBuffer buffer, const EGLint *attrib_list);
typedef EGLBoolean (EGLAPIENTRYP PFNEGLDESTROYIMAGEKHRPROC) (EGLDisplay dpy, EGLImageKHR image);
#endif
#ifndef EGL_KHR_vg_parent_image
#define EGL_KHR_vg_parent_image 1
#define EGL_VG_PARENT_IMAGE_KHR 0x30BA /* eglCreateImageKHR target */
#endif
#ifndef EGL_KHR_gl_texture_2D_image
#define EGL_KHR_gl_texture_2D_image 1
#define EGL_GL_TEXTURE_2D_KHR 0x30B1 /* eglCreateImageKHR target */
#define EGL_GL_TEXTURE_LEVEL_KHR 0x30BC /* eglCreateImageKHR attribute */
#endif
#ifndef EGL_KHR_gl_texture_cubemap_image
#define EGL_KHR_gl_texture_cubemap_image 1
#define EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_X_KHR 0x30B3 /* eglCreateImageKHR target */
#define EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_X_KHR 0x30B4 /* eglCreateImageKHR target */
#define EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Y_KHR 0x30B5 /* eglCreateImageKHR target */
#define EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_KHR 0x30B6 /* eglCreateImageKHR target */
#define EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Z_KHR 0x30B7 /* eglCreateImageKHR target */
#define EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_KHR 0x30B8 /* eglCreateImageKHR target */
#endif
#ifndef EGL_KHR_gl_texture_3D_image
#define EGL_KHR_gl_texture_3D_image 1
#define EGL_GL_TEXTURE_3D_KHR 0x30B2 /* eglCreateImageKHR target */
#define EGL_GL_TEXTURE_ZOFFSET_KHR 0x30BD /* eglCreateImageKHR attribute */
#endif
#ifndef EGL_KHR_gl_renderbuffer_image
#define EGL_KHR_gl_renderbuffer_image 1
#define EGL_GL_RENDERBUFFER_KHR 0x30B9 /* eglCreateImageKHR target */
#endif
#if KHRONOS_SUPPORT_INT64 /* EGLTimeKHR requires 64-bit uint support */
#ifndef EGL_KHR_reusable_sync
#define EGL_KHR_reusable_sync 1
typedef void* EGLSyncKHR;
typedef khronos_utime_nanoseconds_t EGLTimeKHR;
#define EGL_SYNC_STATUS_KHR 0x30F1
#define EGL_SIGNALED_KHR 0x30F2
#define EGL_UNSIGNALED_KHR 0x30F3
#define EGL_TIMEOUT_EXPIRED_KHR 0x30F5
#define EGL_CONDITION_SATISFIED_KHR 0x30F6
#define EGL_SYNC_TYPE_KHR 0x30F7
#define EGL_SYNC_REUSABLE_KHR 0x30FA
#define EGL_SYNC_FLUSH_COMMANDS_BIT_KHR 0x0001 /* eglClientWaitSyncKHR <flags> bitfield */
#define EGL_FOREVER_KHR 0xFFFFFFFFFFFFFFFFull
#define EGL_NO_SYNC_KHR ((EGLSyncKHR)0)
#ifdef EGL_EGLEXT_PROTOTYPES
EGLAPI EGLSyncKHR EGLAPIENTRY eglCreateSyncKHR(EGLDisplay dpy, EGLenum type, const EGLint *attrib_list);
EGLAPI EGLBoolean EGLAPIENTRY eglDestroySyncKHR(EGLDisplay dpy, EGLSyncKHR sync);
EGLAPI EGLint EGLAPIENTRY eglClientWaitSyncKHR(EGLDisplay dpy, EGLSyncKHR sync, EGLint flags, EGLTimeKHR timeout);
EGLAPI EGLBoolean EGLAPIENTRY eglSignalSyncKHR(EGLDisplay dpy, EGLSyncKHR sync, EGLenum mode);
EGLAPI EGLBoolean EGLAPIENTRY eglGetSyncAttribKHR(EGLDisplay dpy, EGLSyncKHR sync, EGLint attribute, EGLint *value);
#endif /* EGL_EGLEXT_PROTOTYPES */
typedef EGLSyncKHR (EGLAPIENTRYP PFNEGLCREATESYNCKHRPROC) (EGLDisplay dpy, EGLenum type, const EGLint *attrib_list);
typedef EGLBoolean (EGLAPIENTRYP PFNEGLDESTROYSYNCKHRPROC) (EGLDisplay dpy, EGLSyncKHR sync);
typedef EGLint (EGLAPIENTRYP PFNEGLCLIENTWAITSYNCKHRPROC) (EGLDisplay dpy, EGLSyncKHR sync, EGLint flags, EGLTimeKHR timeout);
typedef EGLBoolean (EGLAPIENTRYP PFNEGLSIGNALSYNCKHRPROC) (EGLDisplay dpy, EGLSyncKHR sync, EGLenum mode);
typedef EGLBoolean (EGLAPIENTRYP PFNEGLGETSYNCATTRIBKHRPROC) (EGLDisplay dpy, EGLSyncKHR sync, EGLint attribute, EGLint *value);
#endif
#endif
#ifndef EGL_KHR_image_base
#define EGL_KHR_image_base 1
/* Most interfaces defined by EGL_KHR_image_pixmap above */
#define EGL_IMAGE_PRESERVED_KHR 0x30D2 /* eglCreateImageKHR attribute */
#endif
#ifndef EGL_KHR_image_pixmap
#define EGL_KHR_image_pixmap 1
/* Interfaces defined by EGL_KHR_image above */
#endif
#ifndef EGL_IMG_context_priority
#define EGL_IMG_context_priority 1
#define EGL_CONTEXT_PRIORITY_LEVEL_IMG 0x3100
#define EGL_CONTEXT_PRIORITY_HIGH_IMG 0x3101
#define EGL_CONTEXT_PRIORITY_MEDIUM_IMG 0x3102
#define EGL_CONTEXT_PRIORITY_LOW_IMG 0x3103
#endif
#ifndef EGL_KHR_lock_surface2
#define EGL_KHR_lock_surface2 1
#define EGL_BITMAP_PIXEL_SIZE_KHR 0x3110
#endif
#ifndef EGL_NV_coverage_sample
#define EGL_NV_coverage_sample 1
#define EGL_COVERAGE_BUFFERS_NV 0x30E0
#define EGL_COVERAGE_SAMPLES_NV 0x30E1
#endif
#ifndef EGL_NV_depth_nonlinear
#define EGL_NV_depth_nonlinear 1
#define EGL_DEPTH_ENCODING_NV 0x30E2
#define EGL_DEPTH_ENCODING_NONE_NV 0
#define EGL_DEPTH_ENCODING_NONLINEAR_NV 0x30E3
#endif
#if KHRONOS_SUPPORT_INT64 /* EGLTimeNV requires 64-bit uint support */
#ifndef EGL_NV_sync
#define EGL_NV_sync 1
#define EGL_SYNC_PRIOR_COMMANDS_COMPLETE_NV 0x30E6
#define EGL_SYNC_STATUS_NV 0x30E7
#define EGL_SIGNALED_NV 0x30E8
#define EGL_UNSIGNALED_NV 0x30E9
#define EGL_SYNC_FLUSH_COMMANDS_BIT_NV 0x0001
#define EGL_FOREVER_NV 0xFFFFFFFFFFFFFFFFull
#define EGL_ALREADY_SIGNALED_NV 0x30EA
#define EGL_TIMEOUT_EXPIRED_NV 0x30EB
#define EGL_CONDITION_SATISFIED_NV 0x30EC
#define EGL_SYNC_TYPE_NV 0x30ED
#define EGL_SYNC_CONDITION_NV 0x30EE
#define EGL_SYNC_FENCE_NV 0x30EF
#define EGL_NO_SYNC_NV ((EGLSyncNV)0)
typedef void* EGLSyncNV;
typedef khronos_utime_nanoseconds_t EGLTimeNV;
#ifdef EGL_EGLEXT_PROTOTYPES
EGLAPI EGLSyncNV EGLAPIENTRY eglCreateFenceSyncNV (EGLDisplay dpy, EGLenum condition, const EGLint *attrib_list);
EGLAPI EGLBoolean EGLAPIENTRY eglDestroySyncNV (EGLSyncNV sync);
EGLAPI EGLBoolean EGLAPIENTRY eglFenceNV (EGLSyncNV sync);
EGLAPI EGLint EGLAPIENTRY eglClientWaitSyncNV (EGLSyncNV sync, EGLint flags, EGLTimeNV timeout);
EGLAPI EGLBoolean EGLAPIENTRY eglSignalSyncNV (EGLSyncNV sync, EGLenum mode);
EGLAPI EGLBoolean EGLAPIENTRY eglGetSyncAttribNV (EGLSyncNV sync, EGLint attribute, EGLint *value);
#endif /* EGL_EGLEXT_PROTOTYPES */
typedef EGLSyncNV (EGLAPIENTRYP PFNEGLCREATEFENCESYNCNVPROC) (EGLDisplay dpy, EGLenum condition, const EGLint *attrib_list);
typedef EGLBoolean (EGLAPIENTRYP PFNEGLDESTROYSYNCNVPROC) (EGLSyncNV sync);
typedef EGLBoolean (EGLAPIENTRYP PFNEGLFENCENVPROC) (EGLSyncNV sync);
typedef EGLint (EGLAPIENTRYP PFNEGLCLIENTWAITSYNCNVPROC) (EGLSyncNV sync, EGLint flags, EGLTimeNV timeout);
typedef EGLBoolean (EGLAPIENTRYP PFNEGLSIGNALSYNCNVPROC) (EGLSyncNV sync, EGLenum mode);
typedef EGLBoolean (EGLAPIENTRYP PFNEGLGETSYNCATTRIBNVPROC) (EGLSyncNV sync, EGLint attribute, EGLint *value);
#endif
#endif
#if KHRONOS_SUPPORT_INT64 /* Dependent on EGL_KHR_reusable_sync which requires 64-bit uint support */
#ifndef EGL_KHR_fence_sync
#define EGL_KHR_fence_sync 1
/* Reuses most tokens and entry points from EGL_KHR_reusable_sync */
#define EGL_SYNC_PRIOR_COMMANDS_COMPLETE_KHR 0x30F0
#define EGL_SYNC_CONDITION_KHR 0x30F8
#define EGL_SYNC_FENCE_KHR 0x30F9
#endif
#endif
#ifndef EGL_HI_clientpixmap
#define EGL_HI_clientpixmap 1
/* Surface Attribute */
#define EGL_CLIENT_PIXMAP_POINTER_HI 0x8F74
/*
* Structure representing a client pixmap
* (pixmap's data is in client-space memory).
*/
struct EGLClientPixmapHI
{
void* pData;
EGLint iWidth;
EGLint iHeight;
EGLint iStride;
};
#ifdef EGL_EGLEXT_PROTOTYPES
EGLAPI EGLSurface EGLAPIENTRY eglCreatePixmapSurfaceHI(EGLDisplay dpy, EGLConfig config, struct EGLClientPixmapHI* pixmap);
#endif /* EGL_EGLEXT_PROTOTYPES */
typedef EGLSurface (EGLAPIENTRYP PFNEGLCREATEPIXMAPSURFACEHIPROC) (EGLDisplay dpy, EGLConfig config, struct EGLClientPixmapHI* pixmap);
#endif /* EGL_HI_clientpixmap */
#ifndef EGL_HI_colorformats
#define EGL_HI_colorformats 1
/* Config Attribute */
#define EGL_COLOR_FORMAT_HI 0x8F70
/* Color Formats */
#define EGL_COLOR_RGB_HI 0x8F71
#define EGL_COLOR_RGBA_HI 0x8F72
#define EGL_COLOR_ARGB_HI 0x8F73
#endif /* EGL_HI_colorformats */
#ifndef EGL_MESA_drm_image
#define EGL_MESA_drm_image 1
#define EGL_DRM_BUFFER_FORMAT_MESA 0x31D0 /* CreateDRMImageMESA attribute */
#define EGL_DRM_BUFFER_USE_MESA 0x31D1 /* CreateDRMImageMESA attribute */
#define EGL_DRM_BUFFER_FORMAT_ARGB32_MESA 0x31D2 /* EGL_IMAGE_FORMAT_MESA attribute value */
#define EGL_DRM_BUFFER_MESA 0x31D3 /* eglCreateImageKHR target */
#define EGL_DRM_BUFFER_STRIDE_MESA 0x31D4
#define EGL_DRM_BUFFER_USE_SCANOUT_MESA 0x00000001 /* EGL_DRM_BUFFER_USE_MESA bits */
#define EGL_DRM_BUFFER_USE_SHARE_MESA 0x00000002 /* EGL_DRM_BUFFER_USE_MESA bits */
#ifdef EGL_EGLEXT_PROTOTYPES
EGLAPI EGLImageKHR EGLAPIENTRY eglCreateDRMImageMESA (EGLDisplay dpy, const EGLint *attrib_list);
EGLAPI EGLBoolean EGLAPIENTRY eglExportDRMImageMESA (EGLDisplay dpy, EGLImageKHR image, EGLint *name, EGLint *handle, EGLint *stride);
#endif /* EGL_EGLEXT_PROTOTYPES */
typedef EGLImageKHR (EGLAPIENTRYP PFNEGLCREATEDRMIMAGEMESAPROC) (EGLDisplay dpy, const EGLint *attrib_list);
typedef EGLBoolean (EGLAPIENTRYP PFNEGLEXPORTDRMIMAGEMESAPROC) (EGLDisplay dpy, EGLImageKHR image, EGLint *name, EGLint *handle, EGLint *stride);
#endif
#ifndef EGL_NV_post_sub_buffer
#define EGL_NV_post_sub_buffer 1
#define EGL_POST_SUB_BUFFER_SUPPORTED_NV 0x30BE
#ifdef EGL_EGLEXT_PROTOTYPES
EGLAPI EGLBoolean EGLAPIENTRY eglPostSubBufferNV (EGLDisplay dpy, EGLSurface surface, EGLint x, EGLint y, EGLint width, EGLint height);
#endif /* EGL_EGLEXT_PROTOTYPES */
typedef EGLBoolean (EGLAPIENTRYP PFNEGLPOSTSUBBUFFERNVPROC) (EGLDisplay dpy, EGLSurface surface, EGLint x, EGLint y, EGLint width, EGLint height);
#endif
#ifndef EGL_ANGLE_query_surface_pointer
#define EGL_ANGLE_query_surface_pointer 1
#ifdef EGL_EGLEXT_PROTOTYPES
EGLAPI EGLBoolean eglQuerySurfacePointerANGLE(EGLDisplay dpy, EGLSurface surface, EGLint attribute, void **value);
#endif
typedef EGLBoolean (EGLAPIENTRYP PFNEGLQUERYSURFACEPOINTERANGLEPROC) (EGLDisplay dpy, EGLSurface surface, EGLint attribute, void **value);
#endif
#ifndef EGL_ANGLE_surface_d3d_texture_2d_share_handle
#define EGL_ANGLE_surface_d3d_texture_2d_share_handle 1
#define EGL_D3D_TEXTURE_2D_SHARE_HANDLE_ANGLE 0x3200
#endif
#ifndef EGL_NV_coverage_sample_resolve
#define EGL_NV_coverage_sample_resolve 1
#define EGL_COVERAGE_SAMPLE_RESOLVE_NV 0x3131
#define EGL_COVERAGE_SAMPLE_RESOLVE_DEFAULT_NV 0x3132
#define EGL_COVERAGE_SAMPLE_RESOLVE_NONE_NV 0x3133
#endif
#if KHRONOS_SUPPORT_INT64 /* EGLuint64NV requires 64-bit uint support */
#ifndef EGL_NV_system_time
#define EGL_NV_system_time 1
typedef khronos_utime_nanoseconds_t EGLuint64NV;
#ifdef EGL_EGLEXT_PROTOTYPES
EGLAPI EGLuint64NV EGLAPIENTRY eglGetSystemTimeFrequencyNV(void);
EGLAPI EGLuint64NV EGLAPIENTRY eglGetSystemTimeNV(void);
#endif /* EGL_EGLEXT_PROTOTYPES */
typedef EGLuint64NV (EGLAPIENTRYP PFNEGLGETSYSTEMTIMEFREQUENCYNVPROC) (void);
typedef EGLuint64NV (EGLAPIENTRYP PFNEGLGETSYSTEMTIMENVPROC) (void);
#endif
#endif
#if KHRONOS_SUPPORT_INT64 /* EGLuint64KHR requires 64-bit uint support */
#ifndef EGL_KHR_stream
#define EGL_KHR_stream 1
typedef void* EGLStreamKHR;
typedef khronos_uint64_t EGLuint64KHR;
#define EGL_NO_STREAM_KHR ((EGLStreamKHR)0)
#define EGL_CONSUMER_LATENCY_USEC_KHR 0x3210
#define EGL_PRODUCER_FRAME_KHR 0x3212
#define EGL_CONSUMER_FRAME_KHR 0x3213
#define EGL_STREAM_STATE_KHR 0x3214
#define EGL_STREAM_STATE_CREATED_KHR 0x3215
#define EGL_STREAM_STATE_CONNECTING_KHR 0x3216
#define EGL_STREAM_STATE_EMPTY_KHR 0x3217
#define EGL_STREAM_STATE_NEW_FRAME_AVAILABLE_KHR 0x3218
#define EGL_STREAM_STATE_OLD_FRAME_AVAILABLE_KHR 0x3219
#define EGL_STREAM_STATE_DISCONNECTED_KHR 0x321A
#define EGL_BAD_STREAM_KHR 0x321B
#define EGL_BAD_STATE_KHR 0x321C
#ifdef EGL_EGLEXT_PROTOTYPES
EGLAPI EGLStreamKHR EGLAPIENTRY eglCreateStreamKHR(EGLDisplay dpy, const EGLint *attrib_list);
EGLAPI EGLBoolean EGLAPIENTRY eglDestroyStreamKHR(EGLDisplay dpy, EGLStreamKHR stream);
EGLAPI EGLBoolean EGLAPIENTRY eglStreamAttribKHR(EGLDisplay dpy, EGLStreamKHR stream, EGLenum attribute, EGLint value);
EGLAPI EGLBoolean EGLAPIENTRY eglQueryStreamKHR(EGLDisplay dpy, EGLStreamKHR stream, EGLenum attribute, EGLint *value);
EGLAPI EGLBoolean EGLAPIENTRY eglQueryStreamu64KHR(EGLDisplay dpy, EGLStreamKHR stream, EGLenum attribute, EGLuint64KHR *value);
#endif /* EGL_EGLEXT_PROTOTYPES */
typedef EGLStreamKHR (EGLAPIENTRYP PFNEGLCREATESTREAMKHRPROC)(EGLDisplay dpy, const EGLint *attrib_list);
typedef EGLBoolean (EGLAPIENTRYP PFNEGLDESTROYSTREAMKHRPROC)(EGLDisplay dpy, EGLStreamKHR stream);
typedef EGLBoolean (EGLAPIENTRYP PFNEGLSTREAMATTRIBKHRPROC)(EGLDisplay dpy, EGLStreamKHR stream, EGLenum attribute, EGLint value);
typedef EGLBoolean (EGLAPIENTRYP PFNEGLQUERYSTREAMKHRPROC)(EGLDisplay dpy, EGLStreamKHR stream, EGLenum attribute, EGLint *value);
typedef EGLBoolean (EGLAPIENTRYP PFNEGLQUERYSTREAMU64KHRPROC)(EGLDisplay dpy, EGLStreamKHR stream, EGLenum attribute, EGLuint64KHR *value);
#endif
#endif
#ifdef EGL_KHR_stream /* Requires KHR_stream extension */
#ifndef EGL_KHR_stream_consumer_gltexture
#define EGL_KHR_stream_consumer_gltexture 1
#define EGL_CONSUMER_ACQUIRE_TIMEOUT_USEC_KHR 0x321E
#ifdef EGL_EGLEXT_PROTOTYPES
EGLAPI EGLBoolean EGLAPIENTRY eglStreamConsumerGLTextureExternalKHR(EGLDisplay dpy, EGLStreamKHR stream);
EGLAPI EGLBoolean EGLAPIENTRY eglStreamConsumerAcquireKHR(EGLDisplay dpy, EGLStreamKHR stream);
EGLAPI EGLBoolean EGLAPIENTRY eglStreamConsumerReleaseKHR(EGLDisplay dpy, EGLStreamKHR stream);
#endif /* EGL_EGLEXT_PROTOTYPES */
typedef EGLBoolean (EGLAPIENTRYP PFNEGLSTREAMCONSUMERGLTEXTUREEXTERNALKHRPROC)(EGLDisplay dpy, EGLStreamKHR stream);
typedef EGLBoolean (EGLAPIENTRYP PFNEGLSTREAMCONSUMERACQUIREKHRPROC)(EGLDisplay dpy, EGLStreamKHR stream);
typedef EGLBoolean (EGLAPIENTRYP PFNEGLSTREAMCONSUMERRELEASEKHRPROC)(EGLDisplay dpy, EGLStreamKHR stream);
#endif
#endif
#ifdef EGL_KHR_stream /* Requires KHR_stream extension */
#ifndef EGL_KHR_stream_producer_eglsurface
#define EGL_KHR_stream_producer_eglsurface 1
#define EGL_STREAM_BIT_KHR 0x0800
#ifdef EGL_EGLEXT_PROTOTYPES
EGLAPI EGLSurface EGLAPIENTRY eglCreateStreamProducerSurfaceKHR(EGLDisplay dpy, EGLConfig config, EGLStreamKHR stream, const EGLint *attrib_list);
#endif /* EGL_EGLEXT_PROTOTYPES */
typedef EGLSurface (EGLAPIENTRYP PFNEGLCREATESTREAMPRODUCERSURFACEKHRPROC)(EGLDisplay dpy, EGLConfig config, EGLStreamKHR stream, const EGLint *attrib_list);
#endif
#endif
#ifdef EGL_KHR_stream /* Requires KHR_stream extension */
#ifndef EGL_KHR_stream_producer_aldatalocator
#define EGL_KHR_stream_producer_aldatalocator 1
#endif
#endif
#ifdef EGL_KHR_stream /* Requires KHR_stream extension */
#ifndef EGL_KHR_stream_fifo
#define EGL_KHR_stream_fifo 1
/* reuse EGLTimeKHR */
#define EGL_STREAM_FIFO_LENGTH_KHR 0x31FC
#define EGL_STREAM_TIME_NOW_KHR 0x31FD
#define EGL_STREAM_TIME_CONSUMER_KHR 0x31FE
#define EGL_STREAM_TIME_PRODUCER_KHR 0x31FF
#ifdef EGL_EGLEXT_PROTOTYPES
EGLAPI EGLBoolean EGLAPIENTRY eglQueryStreamTimeKHR(EGLDisplay dpy, EGLStreamKHR stream, EGLenum attribute, EGLTimeKHR *value);
#endif /* EGL_EGLEXT_PROTOTYPES */
typedef EGLBoolean (EGLAPIENTRYP PFNEGLQUERYSTREAMTIMEKHRPROC)(EGLDisplay dpy, EGLStreamKHR stream, EGLenum attribute, EGLTimeKHR *value);
#endif
#endif
#ifndef EGL_EXT_create_context_robustness
#define EGL_EXT_create_context_robustness 1
#define EGL_CONTEXT_OPENGL_ROBUST_ACCESS_EXT 0x30BF
#define EGL_CONTEXT_OPENGL_RESET_NOTIFICATION_STRATEGY_EXT 0x3138
#define EGL_NO_RESET_NOTIFICATION_EXT 0x31BE
#define EGL_LOSE_CONTEXT_ON_RESET_EXT 0x31BF
#endif
#ifndef EGL_ANGLE_d3d_share_handle_client_buffer
#define EGL_ANGLE_d3d_share_handle_client_buffer 1
/* reuse EGL_D3D_TEXTURE_2D_SHARE_HANDLE_ANGLE */
#endif
#ifndef EGL_KHR_create_context
#define EGL_KHR_create_context 1
#define EGL_CONTEXT_MAJOR_VERSION_KHR EGL_CONTEXT_CLIENT_VERSION
#define EGL_CONTEXT_MINOR_VERSION_KHR 0x30FB
#define EGL_CONTEXT_FLAGS_KHR 0x30FC
#define EGL_CONTEXT_OPENGL_PROFILE_MASK_KHR 0x30FD
#define EGL_CONTEXT_OPENGL_RESET_NOTIFICATION_STRATEGY_KHR 0x31BD
#define EGL_NO_RESET_NOTIFICATION_KHR 0x31BE
#define EGL_LOSE_CONTEXT_ON_RESET_KHR 0x31BF
#define EGL_CONTEXT_OPENGL_DEBUG_BIT_KHR 0x00000001
#define EGL_CONTEXT_OPENGL_FORWARD_COMPATIBLE_BIT_KHR 0x00000002
#define EGL_CONTEXT_OPENGL_ROBUST_ACCESS_BIT_KHR 0x00000004
#define EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT_KHR 0x00000001
#define EGL_CONTEXT_OPENGL_COMPATIBILITY_PROFILE_BIT_KHR 0x00000002
#define EGL_OPENGL_ES3_BIT_KHR 0x00000040
#endif
#ifndef EGL_KHR_surfaceless_context
#define EGL_KHR_surfaceless_context 1
/* No tokens/entry points, just relaxes an error condition */
#endif
#ifdef EGL_KHR_stream /* Requires KHR_stream extension */
#ifndef EGL_KHR_stream_cross_process_fd
#define EGL_KHR_stream_cross_process_fd 1
typedef int EGLNativeFileDescriptorKHR;
#define EGL_NO_FILE_DESCRIPTOR_KHR ((EGLNativeFileDescriptorKHR)(-1))
#ifdef EGL_EGLEXT_PROTOTYPES
EGLAPI EGLNativeFileDescriptorKHR EGLAPIENTRY eglGetStreamFileDescriptorKHR(EGLDisplay dpy, EGLStreamKHR stream);
EGLAPI EGLStreamKHR EGLAPIENTRY eglCreateStreamFromFileDescriptorKHR(EGLDisplay dpy, EGLNativeFileDescriptorKHR file_descriptor);
#endif /* EGL_EGLEXT_PROTOTYPES */
typedef EGLNativeFileDescriptorKHR (EGLAPIENTRYP PFNEGLGETSTREAMFILEDESCRIPTORKHRPROC)(EGLDisplay dpy, EGLStreamKHR stream);
typedef EGLStreamKHR (EGLAPIENTRYP PFNEGLCREATESTREAMFROMFILEDESCRIPTORKHRPROC)(EGLDisplay dpy, EGLNativeFileDescriptorKHR file_descriptor);
#endif
#endif
#ifndef EGL_EXT_multiview_window
#define EGL_EXT_multiview_window 1
#define EGL_MULTIVIEW_VIEW_COUNT_EXT 0x3134
#endif
#ifndef EGL_KHR_wait_sync
#define EGL_KHR_wait_sync 1
#ifdef EGL_EGLEXT_PROTOTYPES
EGLAPI EGLint EGLAPIENTRY eglWaitSyncKHR(EGLDisplay dpy, EGLSyncKHR sync, EGLint flags);
#endif /* EGL_EGLEXT_PROTOTYPES */
typedef EGLint (EGLAPIENTRYP PFNEGLWAITSYNCKHRPROC)(EGLDisplay dpy, EGLSyncKHR sync, EGLint flags);
#endif
#ifndef EGL_NV_post_convert_rounding
#define EGL_NV_post_convert_rounding 1
/* No tokens or entry points, just relaxes behavior of SwapBuffers */
#endif
#ifndef EGL_NV_native_query
#define EGL_NV_native_query 1
#ifdef EGL_EGLEXT_PROTOTYPES
EGLAPI EGLBoolean EGLAPIENTRY eglQueryNativeDisplayNV( EGLDisplay dpy, EGLNativeDisplayType* display_id);
EGLAPI EGLBoolean EGLAPIENTRY eglQueryNativeWindowNV( EGLDisplay dpy, EGLSurface surf, EGLNativeWindowType* window);
EGLAPI EGLBoolean EGLAPIENTRY eglQueryNativePixmapNV( EGLDisplay dpy, EGLSurface surf, EGLNativePixmapType* pixmap);
#endif /* EGL_EGLEXT_PROTOTYPES */
typedef EGLBoolean (EGLAPIENTRYP PFNEGLQUERYNATIVEDISPLAYNVPROC)(EGLDisplay dpy, EGLNativeDisplayType *display_id);
typedef EGLBoolean (EGLAPIENTRYP PFNEGLQUERYNATIVEWINDOWNVPROC)(EGLDisplay dpy, EGLSurface surf, EGLNativeWindowType *window);
typedef EGLBoolean (EGLAPIENTRYP PFNEGLQUERYNATIVEPIXMAPNVPROC)(EGLDisplay dpy, EGLSurface surf, EGLNativePixmapType *pixmap);
#endif
#ifndef EGL_NV_3dvision_surface
#define EGL_NV_3dvision_surface 1
#define EGL_AUTO_STEREO_NV 0x3136
#endif
#ifndef EGL_ANDROID_framebuffer_target
#define EGL_ANDROID_framebuffer_target 1
#define EGL_FRAMEBUFFER_TARGET_ANDROID 0x3147
#endif
#ifndef EGL_ANDROID_blob_cache
#define EGL_ANDROID_blob_cache 1
typedef khronos_ssize_t EGLsizeiANDROID;
typedef void (*EGLSetBlobFuncANDROID) (const void *key, EGLsizeiANDROID keySize, const void *value, EGLsizeiANDROID valueSize);
typedef EGLsizeiANDROID (*EGLGetBlobFuncANDROID) (const void *key, EGLsizeiANDROID keySize, void *value, EGLsizeiANDROID valueSize);
#ifdef EGL_EGLEXT_PROTOTYPES
EGLAPI void EGLAPIENTRY eglSetBlobCacheFuncsANDROID(EGLDisplay dpy, EGLSetBlobFuncANDROID set, EGLGetBlobFuncANDROID get);
#endif /* EGL_EGLEXT_PROTOTYPES */
typedef void (EGLAPIENTRYP PFNEGLSETBLOBCACHEFUNCSANDROIDPROC)(EGLDisplay dpy, EGLSetBlobFuncANDROID set, EGLGetBlobFuncANDROID get);
#endif
#ifndef EGL_ANDROID_image_native_buffer
#define EGL_ANDROID_image_native_buffer 1
#define EGL_NATIVE_BUFFER_ANDROID 0x3140
#endif
#ifndef EGL_ANDROID_native_fence_sync
#define EGL_ANDROID_native_fence_sync 1
#define EGL_SYNC_NATIVE_FENCE_ANDROID 0x3144
#define EGL_SYNC_NATIVE_FENCE_FD_ANDROID 0x3145
#define EGL_SYNC_NATIVE_FENCE_SIGNALED_ANDROID 0x3146
#define EGL_NO_NATIVE_FENCE_FD_ANDROID -1
#ifdef EGL_EGLEXT_PROTOTYPES
EGLAPI EGLint EGLAPIENTRY eglDupNativeFenceFDANDROID( EGLDisplay dpy, EGLSyncKHR);
#endif /* EGL_EGLEXT_PROTOTYPES */
typedef EGLint (EGLAPIENTRYP PFNEGLDUPNATIVEFENCEFDANDROIDPROC)(EGLDisplay dpy, EGLSyncKHR);
#endif
#ifndef EGL_ANDROID_recordable
#define EGL_ANDROID_recordable 1
#define EGL_RECORDABLE_ANDROID 0x3142
#endif
#ifndef EGL_EXT_buffer_age
#define EGL_EXT_buffer_age 1
#define EGL_BUFFER_AGE_EXT 0x313D
#endif
#ifndef EGL_EXT_image_dma_buf_import
#define EGL_EXT_image_dma_buf_import 1
#define EGL_LINUX_DMA_BUF_EXT 0x3270
#define EGL_LINUX_DRM_FOURCC_EXT 0x3271
#define EGL_DMA_BUF_PLANE0_FD_EXT 0x3272
#define EGL_DMA_BUF_PLANE0_OFFSET_EXT 0x3273
#define EGL_DMA_BUF_PLANE0_PITCH_EXT 0x3274
#define EGL_DMA_BUF_PLANE1_FD_EXT 0x3275
#define EGL_DMA_BUF_PLANE1_OFFSET_EXT 0x3276
#define EGL_DMA_BUF_PLANE1_PITCH_EXT 0x3277
#define EGL_DMA_BUF_PLANE2_FD_EXT 0x3278
#define EGL_DMA_BUF_PLANE2_OFFSET_EXT 0x3279
#define EGL_DMA_BUF_PLANE2_PITCH_EXT 0x327A
#define EGL_YUV_COLOR_SPACE_HINT_EXT 0x327B
#define EGL_SAMPLE_RANGE_HINT_EXT 0x327C
#define EGL_YUV_CHROMA_HORIZONTAL_SITING_HINT_EXT 0x327D
#define EGL_YUV_CHROMA_VERTICAL_SITING_HINT_EXT 0x327E
#define EGL_ITU_REC601_EXT 0x327F
#define EGL_ITU_REC709_EXT 0x3280
#define EGL_ITU_REC2020_EXT 0x3281
#define EGL_YUV_FULL_RANGE_EXT 0x3282
#define EGL_YUV_NARROW_RANGE_EXT 0x3283
#define EGL_YUV_CHROMA_SITING_0_EXT 0x3284
#define EGL_YUV_CHROMA_SITING_0_5_EXT 0x3285
#endif
#ifdef __cplusplus
}
#endif
#endif /* __eglext_h_ */

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extern/glfw-3.0.4/deps/GL/glxext.h vendored Normal file
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@@ -0,0 +1,838 @@
#ifndef __glxext_h_
#define __glxext_h_ 1
#ifdef __cplusplus
extern "C" {
#endif
/*
** Copyright (c) 2013 The Khronos Group Inc.
**
** Permission is hereby granted, free of charge, to any person obtaining a
** copy of this software and/or associated documentation files (the
** "Materials"), to deal in the Materials without restriction, including
** without limitation the rights to use, copy, modify, merge, publish,
** distribute, sublicense, and/or sell copies of the Materials, and to
** permit persons to whom the Materials are furnished to do so, subject to
** the following conditions:
**
** The above copyright notice and this permission notice shall be included
** in all copies or substantial portions of the Materials.
**
** THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
** MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
*/
/*
** This header is generated from the Khronos OpenGL / OpenGL ES XML
** API Registry. The current version of the Registry, generator scripts
** used to make the header, and the header can be found at
** http://www.opengl.org/registry/
**
** Khronos $Revision: 23649 $ on $Date: 2013-10-23 00:21:49 -0700 (Wed, 23 Oct 2013) $
*/
#define GLX_GLXEXT_VERSION 20131008
/* Generated C header for:
* API: glx
* Versions considered: .*
* Versions emitted: 1\.[3-9]
* Default extensions included: glx
* Additional extensions included: _nomatch_^
* Extensions removed: _nomatch_^
*/
#ifndef GLX_VERSION_1_3
#define GLX_VERSION_1_3 1
typedef struct __GLXFBConfigRec *GLXFBConfig;
typedef XID GLXWindow;
typedef XID GLXPbuffer;
#define GLX_WINDOW_BIT 0x00000001
#define GLX_PIXMAP_BIT 0x00000002
#define GLX_PBUFFER_BIT 0x00000004
#define GLX_RGBA_BIT 0x00000001
#define GLX_COLOR_INDEX_BIT 0x00000002
#define GLX_PBUFFER_CLOBBER_MASK 0x08000000
#define GLX_FRONT_LEFT_BUFFER_BIT 0x00000001
#define GLX_FRONT_RIGHT_BUFFER_BIT 0x00000002
#define GLX_BACK_LEFT_BUFFER_BIT 0x00000004
#define GLX_BACK_RIGHT_BUFFER_BIT 0x00000008
#define GLX_AUX_BUFFERS_BIT 0x00000010
#define GLX_DEPTH_BUFFER_BIT 0x00000020
#define GLX_STENCIL_BUFFER_BIT 0x00000040
#define GLX_ACCUM_BUFFER_BIT 0x00000080
#define GLX_CONFIG_CAVEAT 0x20
#define GLX_X_VISUAL_TYPE 0x22
#define GLX_TRANSPARENT_TYPE 0x23
#define GLX_TRANSPARENT_INDEX_VALUE 0x24
#define GLX_TRANSPARENT_RED_VALUE 0x25
#define GLX_TRANSPARENT_GREEN_VALUE 0x26
#define GLX_TRANSPARENT_BLUE_VALUE 0x27
#define GLX_TRANSPARENT_ALPHA_VALUE 0x28
#define GLX_DONT_CARE 0xFFFFFFFF
#define GLX_NONE 0x8000
#define GLX_SLOW_CONFIG 0x8001
#define GLX_TRUE_COLOR 0x8002
#define GLX_DIRECT_COLOR 0x8003
#define GLX_PSEUDO_COLOR 0x8004
#define GLX_STATIC_COLOR 0x8005
#define GLX_GRAY_SCALE 0x8006
#define GLX_STATIC_GRAY 0x8007
#define GLX_TRANSPARENT_RGB 0x8008
#define GLX_TRANSPARENT_INDEX 0x8009
#define GLX_VISUAL_ID 0x800B
#define GLX_SCREEN 0x800C
#define GLX_NON_CONFORMANT_CONFIG 0x800D
#define GLX_DRAWABLE_TYPE 0x8010
#define GLX_RENDER_TYPE 0x8011
#define GLX_X_RENDERABLE 0x8012
#define GLX_FBCONFIG_ID 0x8013
#define GLX_RGBA_TYPE 0x8014
#define GLX_COLOR_INDEX_TYPE 0x8015
#define GLX_MAX_PBUFFER_WIDTH 0x8016
#define GLX_MAX_PBUFFER_HEIGHT 0x8017
#define GLX_MAX_PBUFFER_PIXELS 0x8018
#define GLX_PRESERVED_CONTENTS 0x801B
#define GLX_LARGEST_PBUFFER 0x801C
#define GLX_WIDTH 0x801D
#define GLX_HEIGHT 0x801E
#define GLX_EVENT_MASK 0x801F
#define GLX_DAMAGED 0x8020
#define GLX_SAVED 0x8021
#define GLX_WINDOW 0x8022
#define GLX_PBUFFER 0x8023
#define GLX_PBUFFER_HEIGHT 0x8040
#define GLX_PBUFFER_WIDTH 0x8041
typedef GLXFBConfig *( *PFNGLXGETFBCONFIGSPROC) (Display *dpy, int screen, int *nelements);
typedef GLXFBConfig *( *PFNGLXCHOOSEFBCONFIGPROC) (Display *dpy, int screen, const int *attrib_list, int *nelements);
typedef int ( *PFNGLXGETFBCONFIGATTRIBPROC) (Display *dpy, GLXFBConfig config, int attribute, int *value);
typedef XVisualInfo *( *PFNGLXGETVISUALFROMFBCONFIGPROC) (Display *dpy, GLXFBConfig config);
typedef GLXWindow ( *PFNGLXCREATEWINDOWPROC) (Display *dpy, GLXFBConfig config, Window win, const int *attrib_list);
typedef void ( *PFNGLXDESTROYWINDOWPROC) (Display *dpy, GLXWindow win);
typedef GLXPixmap ( *PFNGLXCREATEPIXMAPPROC) (Display *dpy, GLXFBConfig config, Pixmap pixmap, const int *attrib_list);
typedef void ( *PFNGLXDESTROYPIXMAPPROC) (Display *dpy, GLXPixmap pixmap);
typedef GLXPbuffer ( *PFNGLXCREATEPBUFFERPROC) (Display *dpy, GLXFBConfig config, const int *attrib_list);
typedef void ( *PFNGLXDESTROYPBUFFERPROC) (Display *dpy, GLXPbuffer pbuf);
typedef void ( *PFNGLXQUERYDRAWABLEPROC) (Display *dpy, GLXDrawable draw, int attribute, unsigned int *value);
typedef GLXContext ( *PFNGLXCREATENEWCONTEXTPROC) (Display *dpy, GLXFBConfig config, int render_type, GLXContext share_list, Bool direct);
typedef Bool ( *PFNGLXMAKECONTEXTCURRENTPROC) (Display *dpy, GLXDrawable draw, GLXDrawable read, GLXContext ctx);
typedef GLXDrawable ( *PFNGLXGETCURRENTREADDRAWABLEPROC) (void);
typedef int ( *PFNGLXQUERYCONTEXTPROC) (Display *dpy, GLXContext ctx, int attribute, int *value);
typedef void ( *PFNGLXSELECTEVENTPROC) (Display *dpy, GLXDrawable draw, unsigned long event_mask);
typedef void ( *PFNGLXGETSELECTEDEVENTPROC) (Display *dpy, GLXDrawable draw, unsigned long *event_mask);
#ifdef GLX_GLXEXT_PROTOTYPES
GLXFBConfig *glXGetFBConfigs (Display *dpy, int screen, int *nelements);
GLXFBConfig *glXChooseFBConfig (Display *dpy, int screen, const int *attrib_list, int *nelements);
int glXGetFBConfigAttrib (Display *dpy, GLXFBConfig config, int attribute, int *value);
XVisualInfo *glXGetVisualFromFBConfig (Display *dpy, GLXFBConfig config);
GLXWindow glXCreateWindow (Display *dpy, GLXFBConfig config, Window win, const int *attrib_list);
void glXDestroyWindow (Display *dpy, GLXWindow win);
GLXPixmap glXCreatePixmap (Display *dpy, GLXFBConfig config, Pixmap pixmap, const int *attrib_list);
void glXDestroyPixmap (Display *dpy, GLXPixmap pixmap);
GLXPbuffer glXCreatePbuffer (Display *dpy, GLXFBConfig config, const int *attrib_list);
void glXDestroyPbuffer (Display *dpy, GLXPbuffer pbuf);
void glXQueryDrawable (Display *dpy, GLXDrawable draw, int attribute, unsigned int *value);
GLXContext glXCreateNewContext (Display *dpy, GLXFBConfig config, int render_type, GLXContext share_list, Bool direct);
Bool glXMakeContextCurrent (Display *dpy, GLXDrawable draw, GLXDrawable read, GLXContext ctx);
GLXDrawable glXGetCurrentReadDrawable (void);
int glXQueryContext (Display *dpy, GLXContext ctx, int attribute, int *value);
void glXSelectEvent (Display *dpy, GLXDrawable draw, unsigned long event_mask);
void glXGetSelectedEvent (Display *dpy, GLXDrawable draw, unsigned long *event_mask);
#endif
#endif /* GLX_VERSION_1_3 */
#ifndef GLX_VERSION_1_4
#define GLX_VERSION_1_4 1
typedef void ( *__GLXextFuncPtr)(void);
#define GLX_SAMPLE_BUFFERS 100000
#define GLX_SAMPLES 100001
typedef __GLXextFuncPtr ( *PFNGLXGETPROCADDRESSPROC) (const GLubyte *procName);
#ifdef GLX_GLXEXT_PROTOTYPES
__GLXextFuncPtr glXGetProcAddress (const GLubyte *procName);
#endif
#endif /* GLX_VERSION_1_4 */
#ifndef GLX_ARB_create_context
#define GLX_ARB_create_context 1
#define GLX_CONTEXT_DEBUG_BIT_ARB 0x00000001
#define GLX_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB 0x00000002
#define GLX_CONTEXT_MAJOR_VERSION_ARB 0x2091
#define GLX_CONTEXT_MINOR_VERSION_ARB 0x2092
#define GLX_CONTEXT_FLAGS_ARB 0x2094
typedef GLXContext ( *PFNGLXCREATECONTEXTATTRIBSARBPROC) (Display *dpy, GLXFBConfig config, GLXContext share_context, Bool direct, const int *attrib_list);
#ifdef GLX_GLXEXT_PROTOTYPES
GLXContext glXCreateContextAttribsARB (Display *dpy, GLXFBConfig config, GLXContext share_context, Bool direct, const int *attrib_list);
#endif
#endif /* GLX_ARB_create_context */
#ifndef GLX_ARB_create_context_profile
#define GLX_ARB_create_context_profile 1
#define GLX_CONTEXT_CORE_PROFILE_BIT_ARB 0x00000001
#define GLX_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB 0x00000002
#define GLX_CONTEXT_PROFILE_MASK_ARB 0x9126
#endif /* GLX_ARB_create_context_profile */
#ifndef GLX_ARB_create_context_robustness
#define GLX_ARB_create_context_robustness 1
#define GLX_CONTEXT_ROBUST_ACCESS_BIT_ARB 0x00000004
#define GLX_LOSE_CONTEXT_ON_RESET_ARB 0x8252
#define GLX_CONTEXT_RESET_NOTIFICATION_STRATEGY_ARB 0x8256
#define GLX_NO_RESET_NOTIFICATION_ARB 0x8261
#endif /* GLX_ARB_create_context_robustness */
#ifndef GLX_ARB_fbconfig_float
#define GLX_ARB_fbconfig_float 1
#define GLX_RGBA_FLOAT_TYPE_ARB 0x20B9
#define GLX_RGBA_FLOAT_BIT_ARB 0x00000004
#endif /* GLX_ARB_fbconfig_float */
#ifndef GLX_ARB_framebuffer_sRGB
#define GLX_ARB_framebuffer_sRGB 1
#define GLX_FRAMEBUFFER_SRGB_CAPABLE_ARB 0x20B2
#endif /* GLX_ARB_framebuffer_sRGB */
#ifndef GLX_ARB_get_proc_address
#define GLX_ARB_get_proc_address 1
typedef __GLXextFuncPtr ( *PFNGLXGETPROCADDRESSARBPROC) (const GLubyte *procName);
#ifdef GLX_GLXEXT_PROTOTYPES
__GLXextFuncPtr glXGetProcAddressARB (const GLubyte *procName);
#endif
#endif /* GLX_ARB_get_proc_address */
#ifndef GLX_ARB_multisample
#define GLX_ARB_multisample 1
#define GLX_SAMPLE_BUFFERS_ARB 100000
#define GLX_SAMPLES_ARB 100001
#endif /* GLX_ARB_multisample */
#ifndef GLX_ARB_robustness_application_isolation
#define GLX_ARB_robustness_application_isolation 1
#define GLX_CONTEXT_RESET_ISOLATION_BIT_ARB 0x00000008
#endif /* GLX_ARB_robustness_application_isolation */
#ifndef GLX_ARB_robustness_share_group_isolation
#define GLX_ARB_robustness_share_group_isolation 1
#endif /* GLX_ARB_robustness_share_group_isolation */
#ifndef GLX_ARB_vertex_buffer_object
#define GLX_ARB_vertex_buffer_object 1
#define GLX_CONTEXT_ALLOW_BUFFER_BYTE_ORDER_MISMATCH_ARB 0x2095
#endif /* GLX_ARB_vertex_buffer_object */
#ifndef GLX_3DFX_multisample
#define GLX_3DFX_multisample 1
#define GLX_SAMPLE_BUFFERS_3DFX 0x8050
#define GLX_SAMPLES_3DFX 0x8051
#endif /* GLX_3DFX_multisample */
#ifndef GLX_AMD_gpu_association
#define GLX_AMD_gpu_association 1
#define GLX_GPU_VENDOR_AMD 0x1F00
#define GLX_GPU_RENDERER_STRING_AMD 0x1F01
#define GLX_GPU_OPENGL_VERSION_STRING_AMD 0x1F02
#define GLX_GPU_FASTEST_TARGET_GPUS_AMD 0x21A2
#define GLX_GPU_RAM_AMD 0x21A3
#define GLX_GPU_CLOCK_AMD 0x21A4
#define GLX_GPU_NUM_PIPES_AMD 0x21A5
#define GLX_GPU_NUM_SIMD_AMD 0x21A6
#define GLX_GPU_NUM_RB_AMD 0x21A7
#define GLX_GPU_NUM_SPI_AMD 0x21A8
#endif /* GLX_AMD_gpu_association */
#ifndef GLX_EXT_buffer_age
#define GLX_EXT_buffer_age 1
#define GLX_BACK_BUFFER_AGE_EXT 0x20F4
#endif /* GLX_EXT_buffer_age */
#ifndef GLX_EXT_create_context_es2_profile
#define GLX_EXT_create_context_es2_profile 1
#define GLX_CONTEXT_ES2_PROFILE_BIT_EXT 0x00000004
#endif /* GLX_EXT_create_context_es2_profile */
#ifndef GLX_EXT_create_context_es_profile
#define GLX_EXT_create_context_es_profile 1
#define GLX_CONTEXT_ES_PROFILE_BIT_EXT 0x00000004
#endif /* GLX_EXT_create_context_es_profile */
#ifndef GLX_EXT_fbconfig_packed_float
#define GLX_EXT_fbconfig_packed_float 1
#define GLX_RGBA_UNSIGNED_FLOAT_TYPE_EXT 0x20B1
#define GLX_RGBA_UNSIGNED_FLOAT_BIT_EXT 0x00000008
#endif /* GLX_EXT_fbconfig_packed_float */
#ifndef GLX_EXT_framebuffer_sRGB
#define GLX_EXT_framebuffer_sRGB 1
#define GLX_FRAMEBUFFER_SRGB_CAPABLE_EXT 0x20B2
#endif /* GLX_EXT_framebuffer_sRGB */
#ifndef GLX_EXT_import_context
#define GLX_EXT_import_context 1
typedef XID GLXContextID;
#define GLX_SHARE_CONTEXT_EXT 0x800A
#define GLX_VISUAL_ID_EXT 0x800B
#define GLX_SCREEN_EXT 0x800C
typedef Display *( *PFNGLXGETCURRENTDISPLAYEXTPROC) (void);
typedef int ( *PFNGLXQUERYCONTEXTINFOEXTPROC) (Display *dpy, GLXContext context, int attribute, int *value);
typedef GLXContextID ( *PFNGLXGETCONTEXTIDEXTPROC) (const GLXContext context);
typedef GLXContext ( *PFNGLXIMPORTCONTEXTEXTPROC) (Display *dpy, GLXContextID contextID);
typedef void ( *PFNGLXFREECONTEXTEXTPROC) (Display *dpy, GLXContext context);
#ifdef GLX_GLXEXT_PROTOTYPES
Display *glXGetCurrentDisplayEXT (void);
int glXQueryContextInfoEXT (Display *dpy, GLXContext context, int attribute, int *value);
GLXContextID glXGetContextIDEXT (const GLXContext context);
GLXContext glXImportContextEXT (Display *dpy, GLXContextID contextID);
void glXFreeContextEXT (Display *dpy, GLXContext context);
#endif
#endif /* GLX_EXT_import_context */
#ifndef GLX_EXT_swap_control
#define GLX_EXT_swap_control 1
#define GLX_SWAP_INTERVAL_EXT 0x20F1
#define GLX_MAX_SWAP_INTERVAL_EXT 0x20F2
typedef void ( *PFNGLXSWAPINTERVALEXTPROC) (Display *dpy, GLXDrawable drawable, int interval);
#ifdef GLX_GLXEXT_PROTOTYPES
void glXSwapIntervalEXT (Display *dpy, GLXDrawable drawable, int interval);
#endif
#endif /* GLX_EXT_swap_control */
#ifndef GLX_EXT_swap_control_tear
#define GLX_EXT_swap_control_tear 1
#define GLX_LATE_SWAPS_TEAR_EXT 0x20F3
#endif /* GLX_EXT_swap_control_tear */
#ifndef GLX_EXT_texture_from_pixmap
#define GLX_EXT_texture_from_pixmap 1
#define GLX_TEXTURE_1D_BIT_EXT 0x00000001
#define GLX_TEXTURE_2D_BIT_EXT 0x00000002
#define GLX_TEXTURE_RECTANGLE_BIT_EXT 0x00000004
#define GLX_BIND_TO_TEXTURE_RGB_EXT 0x20D0
#define GLX_BIND_TO_TEXTURE_RGBA_EXT 0x20D1
#define GLX_BIND_TO_MIPMAP_TEXTURE_EXT 0x20D2
#define GLX_BIND_TO_TEXTURE_TARGETS_EXT 0x20D3
#define GLX_Y_INVERTED_EXT 0x20D4
#define GLX_TEXTURE_FORMAT_EXT 0x20D5
#define GLX_TEXTURE_TARGET_EXT 0x20D6
#define GLX_MIPMAP_TEXTURE_EXT 0x20D7
#define GLX_TEXTURE_FORMAT_NONE_EXT 0x20D8
#define GLX_TEXTURE_FORMAT_RGB_EXT 0x20D9
#define GLX_TEXTURE_FORMAT_RGBA_EXT 0x20DA
#define GLX_TEXTURE_1D_EXT 0x20DB
#define GLX_TEXTURE_2D_EXT 0x20DC
#define GLX_TEXTURE_RECTANGLE_EXT 0x20DD
#define GLX_FRONT_LEFT_EXT 0x20DE
#define GLX_FRONT_RIGHT_EXT 0x20DF
#define GLX_BACK_LEFT_EXT 0x20E0
#define GLX_BACK_RIGHT_EXT 0x20E1
#define GLX_FRONT_EXT 0x20DE
#define GLX_BACK_EXT 0x20E0
#define GLX_AUX0_EXT 0x20E2
#define GLX_AUX1_EXT 0x20E3
#define GLX_AUX2_EXT 0x20E4
#define GLX_AUX3_EXT 0x20E5
#define GLX_AUX4_EXT 0x20E6
#define GLX_AUX5_EXT 0x20E7
#define GLX_AUX6_EXT 0x20E8
#define GLX_AUX7_EXT 0x20E9
#define GLX_AUX8_EXT 0x20EA
#define GLX_AUX9_EXT 0x20EB
typedef void ( *PFNGLXBINDTEXIMAGEEXTPROC) (Display *dpy, GLXDrawable drawable, int buffer, const int *attrib_list);
typedef void ( *PFNGLXRELEASETEXIMAGEEXTPROC) (Display *dpy, GLXDrawable drawable, int buffer);
#ifdef GLX_GLXEXT_PROTOTYPES
void glXBindTexImageEXT (Display *dpy, GLXDrawable drawable, int buffer, const int *attrib_list);
void glXReleaseTexImageEXT (Display *dpy, GLXDrawable drawable, int buffer);
#endif
#endif /* GLX_EXT_texture_from_pixmap */
#ifndef GLX_EXT_visual_info
#define GLX_EXT_visual_info 1
#define GLX_X_VISUAL_TYPE_EXT 0x22
#define GLX_TRANSPARENT_TYPE_EXT 0x23
#define GLX_TRANSPARENT_INDEX_VALUE_EXT 0x24
#define GLX_TRANSPARENT_RED_VALUE_EXT 0x25
#define GLX_TRANSPARENT_GREEN_VALUE_EXT 0x26
#define GLX_TRANSPARENT_BLUE_VALUE_EXT 0x27
#define GLX_TRANSPARENT_ALPHA_VALUE_EXT 0x28
#define GLX_NONE_EXT 0x8000
#define GLX_TRUE_COLOR_EXT 0x8002
#define GLX_DIRECT_COLOR_EXT 0x8003
#define GLX_PSEUDO_COLOR_EXT 0x8004
#define GLX_STATIC_COLOR_EXT 0x8005
#define GLX_GRAY_SCALE_EXT 0x8006
#define GLX_STATIC_GRAY_EXT 0x8007
#define GLX_TRANSPARENT_RGB_EXT 0x8008
#define GLX_TRANSPARENT_INDEX_EXT 0x8009
#endif /* GLX_EXT_visual_info */
#ifndef GLX_EXT_visual_rating
#define GLX_EXT_visual_rating 1
#define GLX_VISUAL_CAVEAT_EXT 0x20
#define GLX_SLOW_VISUAL_EXT 0x8001
#define GLX_NON_CONFORMANT_VISUAL_EXT 0x800D
#endif /* GLX_EXT_visual_rating */
#ifndef GLX_INTEL_swap_event
#define GLX_INTEL_swap_event 1
#define GLX_BUFFER_SWAP_COMPLETE_INTEL_MASK 0x04000000
#define GLX_EXCHANGE_COMPLETE_INTEL 0x8180
#define GLX_COPY_COMPLETE_INTEL 0x8181
#define GLX_FLIP_COMPLETE_INTEL 0x8182
#endif /* GLX_INTEL_swap_event */
#ifndef GLX_MESA_agp_offset
#define GLX_MESA_agp_offset 1
typedef unsigned int ( *PFNGLXGETAGPOFFSETMESAPROC) (const void *pointer);
#ifdef GLX_GLXEXT_PROTOTYPES
unsigned int glXGetAGPOffsetMESA (const void *pointer);
#endif
#endif /* GLX_MESA_agp_offset */
#ifndef GLX_MESA_copy_sub_buffer
#define GLX_MESA_copy_sub_buffer 1
typedef void ( *PFNGLXCOPYSUBBUFFERMESAPROC) (Display *dpy, GLXDrawable drawable, int x, int y, int width, int height);
#ifdef GLX_GLXEXT_PROTOTYPES
void glXCopySubBufferMESA (Display *dpy, GLXDrawable drawable, int x, int y, int width, int height);
#endif
#endif /* GLX_MESA_copy_sub_buffer */
#ifndef GLX_MESA_pixmap_colormap
#define GLX_MESA_pixmap_colormap 1
typedef GLXPixmap ( *PFNGLXCREATEGLXPIXMAPMESAPROC) (Display *dpy, XVisualInfo *visual, Pixmap pixmap, Colormap cmap);
#ifdef GLX_GLXEXT_PROTOTYPES
GLXPixmap glXCreateGLXPixmapMESA (Display *dpy, XVisualInfo *visual, Pixmap pixmap, Colormap cmap);
#endif
#endif /* GLX_MESA_pixmap_colormap */
#ifndef GLX_MESA_release_buffers
#define GLX_MESA_release_buffers 1
typedef Bool ( *PFNGLXRELEASEBUFFERSMESAPROC) (Display *dpy, GLXDrawable drawable);
#ifdef GLX_GLXEXT_PROTOTYPES
Bool glXReleaseBuffersMESA (Display *dpy, GLXDrawable drawable);
#endif
#endif /* GLX_MESA_release_buffers */
#ifndef GLX_MESA_set_3dfx_mode
#define GLX_MESA_set_3dfx_mode 1
#define GLX_3DFX_WINDOW_MODE_MESA 0x1
#define GLX_3DFX_FULLSCREEN_MODE_MESA 0x2
typedef Bool ( *PFNGLXSET3DFXMODEMESAPROC) (int mode);
#ifdef GLX_GLXEXT_PROTOTYPES
Bool glXSet3DfxModeMESA (int mode);
#endif
#endif /* GLX_MESA_set_3dfx_mode */
#ifndef GLX_NV_copy_image
#define GLX_NV_copy_image 1
typedef void ( *PFNGLXCOPYIMAGESUBDATANVPROC) (Display *dpy, GLXContext srcCtx, GLuint srcName, GLenum srcTarget, GLint srcLevel, GLint srcX, GLint srcY, GLint srcZ, GLXContext dstCtx, GLuint dstName, GLenum dstTarget, GLint dstLevel, GLint dstX, GLint dstY, GLint dstZ, GLsizei width, GLsizei height, GLsizei depth);
#ifdef GLX_GLXEXT_PROTOTYPES
void glXCopyImageSubDataNV (Display *dpy, GLXContext srcCtx, GLuint srcName, GLenum srcTarget, GLint srcLevel, GLint srcX, GLint srcY, GLint srcZ, GLXContext dstCtx, GLuint dstName, GLenum dstTarget, GLint dstLevel, GLint dstX, GLint dstY, GLint dstZ, GLsizei width, GLsizei height, GLsizei depth);
#endif
#endif /* GLX_NV_copy_image */
#ifndef GLX_NV_float_buffer
#define GLX_NV_float_buffer 1
#define GLX_FLOAT_COMPONENTS_NV 0x20B0
#endif /* GLX_NV_float_buffer */
#ifndef GLX_NV_multisample_coverage
#define GLX_NV_multisample_coverage 1
#define GLX_COVERAGE_SAMPLES_NV 100001
#define GLX_COLOR_SAMPLES_NV 0x20B3
#endif /* GLX_NV_multisample_coverage */
#ifndef GLX_NV_present_video
#define GLX_NV_present_video 1
#define GLX_NUM_VIDEO_SLOTS_NV 0x20F0
typedef unsigned int *( *PFNGLXENUMERATEVIDEODEVICESNVPROC) (Display *dpy, int screen, int *nelements);
typedef int ( *PFNGLXBINDVIDEODEVICENVPROC) (Display *dpy, unsigned int video_slot, unsigned int video_device, const int *attrib_list);
#ifdef GLX_GLXEXT_PROTOTYPES
unsigned int *glXEnumerateVideoDevicesNV (Display *dpy, int screen, int *nelements);
int glXBindVideoDeviceNV (Display *dpy, unsigned int video_slot, unsigned int video_device, const int *attrib_list);
#endif
#endif /* GLX_NV_present_video */
#ifndef GLX_NV_swap_group
#define GLX_NV_swap_group 1
typedef Bool ( *PFNGLXJOINSWAPGROUPNVPROC) (Display *dpy, GLXDrawable drawable, GLuint group);
typedef Bool ( *PFNGLXBINDSWAPBARRIERNVPROC) (Display *dpy, GLuint group, GLuint barrier);
typedef Bool ( *PFNGLXQUERYSWAPGROUPNVPROC) (Display *dpy, GLXDrawable drawable, GLuint *group, GLuint *barrier);
typedef Bool ( *PFNGLXQUERYMAXSWAPGROUPSNVPROC) (Display *dpy, int screen, GLuint *maxGroups, GLuint *maxBarriers);
typedef Bool ( *PFNGLXQUERYFRAMECOUNTNVPROC) (Display *dpy, int screen, GLuint *count);
typedef Bool ( *PFNGLXRESETFRAMECOUNTNVPROC) (Display *dpy, int screen);
#ifdef GLX_GLXEXT_PROTOTYPES
Bool glXJoinSwapGroupNV (Display *dpy, GLXDrawable drawable, GLuint group);
Bool glXBindSwapBarrierNV (Display *dpy, GLuint group, GLuint barrier);
Bool glXQuerySwapGroupNV (Display *dpy, GLXDrawable drawable, GLuint *group, GLuint *barrier);
Bool glXQueryMaxSwapGroupsNV (Display *dpy, int screen, GLuint *maxGroups, GLuint *maxBarriers);
Bool glXQueryFrameCountNV (Display *dpy, int screen, GLuint *count);
Bool glXResetFrameCountNV (Display *dpy, int screen);
#endif
#endif /* GLX_NV_swap_group */
#ifndef GLX_NV_video_capture
#define GLX_NV_video_capture 1
typedef XID GLXVideoCaptureDeviceNV;
#define GLX_DEVICE_ID_NV 0x20CD
#define GLX_UNIQUE_ID_NV 0x20CE
#define GLX_NUM_VIDEO_CAPTURE_SLOTS_NV 0x20CF
typedef int ( *PFNGLXBINDVIDEOCAPTUREDEVICENVPROC) (Display *dpy, unsigned int video_capture_slot, GLXVideoCaptureDeviceNV device);
typedef GLXVideoCaptureDeviceNV *( *PFNGLXENUMERATEVIDEOCAPTUREDEVICESNVPROC) (Display *dpy, int screen, int *nelements);
typedef void ( *PFNGLXLOCKVIDEOCAPTUREDEVICENVPROC) (Display *dpy, GLXVideoCaptureDeviceNV device);
typedef int ( *PFNGLXQUERYVIDEOCAPTUREDEVICENVPROC) (Display *dpy, GLXVideoCaptureDeviceNV device, int attribute, int *value);
typedef void ( *PFNGLXRELEASEVIDEOCAPTUREDEVICENVPROC) (Display *dpy, GLXVideoCaptureDeviceNV device);
#ifdef GLX_GLXEXT_PROTOTYPES
int glXBindVideoCaptureDeviceNV (Display *dpy, unsigned int video_capture_slot, GLXVideoCaptureDeviceNV device);
GLXVideoCaptureDeviceNV *glXEnumerateVideoCaptureDevicesNV (Display *dpy, int screen, int *nelements);
void glXLockVideoCaptureDeviceNV (Display *dpy, GLXVideoCaptureDeviceNV device);
int glXQueryVideoCaptureDeviceNV (Display *dpy, GLXVideoCaptureDeviceNV device, int attribute, int *value);
void glXReleaseVideoCaptureDeviceNV (Display *dpy, GLXVideoCaptureDeviceNV device);
#endif
#endif /* GLX_NV_video_capture */
#ifndef GLX_NV_video_output
#define GLX_NV_video_output 1
typedef unsigned int GLXVideoDeviceNV;
#define GLX_VIDEO_OUT_COLOR_NV 0x20C3
#define GLX_VIDEO_OUT_ALPHA_NV 0x20C4
#define GLX_VIDEO_OUT_DEPTH_NV 0x20C5
#define GLX_VIDEO_OUT_COLOR_AND_ALPHA_NV 0x20C6
#define GLX_VIDEO_OUT_COLOR_AND_DEPTH_NV 0x20C7
#define GLX_VIDEO_OUT_FRAME_NV 0x20C8
#define GLX_VIDEO_OUT_FIELD_1_NV 0x20C9
#define GLX_VIDEO_OUT_FIELD_2_NV 0x20CA
#define GLX_VIDEO_OUT_STACKED_FIELDS_1_2_NV 0x20CB
#define GLX_VIDEO_OUT_STACKED_FIELDS_2_1_NV 0x20CC
typedef int ( *PFNGLXGETVIDEODEVICENVPROC) (Display *dpy, int screen, int numVideoDevices, GLXVideoDeviceNV *pVideoDevice);
typedef int ( *PFNGLXRELEASEVIDEODEVICENVPROC) (Display *dpy, int screen, GLXVideoDeviceNV VideoDevice);
typedef int ( *PFNGLXBINDVIDEOIMAGENVPROC) (Display *dpy, GLXVideoDeviceNV VideoDevice, GLXPbuffer pbuf, int iVideoBuffer);
typedef int ( *PFNGLXRELEASEVIDEOIMAGENVPROC) (Display *dpy, GLXPbuffer pbuf);
typedef int ( *PFNGLXSENDPBUFFERTOVIDEONVPROC) (Display *dpy, GLXPbuffer pbuf, int iBufferType, unsigned long *pulCounterPbuffer, GLboolean bBlock);
typedef int ( *PFNGLXGETVIDEOINFONVPROC) (Display *dpy, int screen, GLXVideoDeviceNV VideoDevice, unsigned long *pulCounterOutputPbuffer, unsigned long *pulCounterOutputVideo);
#ifdef GLX_GLXEXT_PROTOTYPES
int glXGetVideoDeviceNV (Display *dpy, int screen, int numVideoDevices, GLXVideoDeviceNV *pVideoDevice);
int glXReleaseVideoDeviceNV (Display *dpy, int screen, GLXVideoDeviceNV VideoDevice);
int glXBindVideoImageNV (Display *dpy, GLXVideoDeviceNV VideoDevice, GLXPbuffer pbuf, int iVideoBuffer);
int glXReleaseVideoImageNV (Display *dpy, GLXPbuffer pbuf);
int glXSendPbufferToVideoNV (Display *dpy, GLXPbuffer pbuf, int iBufferType, unsigned long *pulCounterPbuffer, GLboolean bBlock);
int glXGetVideoInfoNV (Display *dpy, int screen, GLXVideoDeviceNV VideoDevice, unsigned long *pulCounterOutputPbuffer, unsigned long *pulCounterOutputVideo);
#endif
#endif /* GLX_NV_video_output */
#ifndef GLX_OML_swap_method
#define GLX_OML_swap_method 1
#define GLX_SWAP_METHOD_OML 0x8060
#define GLX_SWAP_EXCHANGE_OML 0x8061
#define GLX_SWAP_COPY_OML 0x8062
#define GLX_SWAP_UNDEFINED_OML 0x8063
#endif /* GLX_OML_swap_method */
#ifndef GLX_OML_sync_control
#define GLX_OML_sync_control 1
#ifndef GLEXT_64_TYPES_DEFINED
/* This code block is duplicated in glext.h, so must be protected */
#define GLEXT_64_TYPES_DEFINED
/* Define int32_t, int64_t, and uint64_t types for UST/MSC */
/* (as used in the GLX_OML_sync_control extension). */
#if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
#include <inttypes.h>
#elif defined(__sun__) || defined(__digital__)
#include <inttypes.h>
#if defined(__STDC__)
#if defined(__arch64__) || defined(_LP64)
typedef long int int64_t;
typedef unsigned long int uint64_t;
#else
typedef long long int int64_t;
typedef unsigned long long int uint64_t;
#endif /* __arch64__ */
#endif /* __STDC__ */
#elif defined( __VMS ) || defined(__sgi)
#include <inttypes.h>
#elif defined(__SCO__) || defined(__USLC__)
#include <stdint.h>
#elif defined(__UNIXOS2__) || defined(__SOL64__)
typedef long int int32_t;
typedef long long int int64_t;
typedef unsigned long long int uint64_t;
#elif defined(_WIN32) && defined(__GNUC__)
#include <stdint.h>
#elif defined(_WIN32)
typedef __int32 int32_t;
typedef __int64 int64_t;
typedef unsigned __int64 uint64_t;
#else
/* Fallback if nothing above works */
#include <inttypes.h>
#endif
#endif
typedef Bool ( *PFNGLXGETSYNCVALUESOMLPROC) (Display *dpy, GLXDrawable drawable, int64_t *ust, int64_t *msc, int64_t *sbc);
typedef Bool ( *PFNGLXGETMSCRATEOMLPROC) (Display *dpy, GLXDrawable drawable, int32_t *numerator, int32_t *denominator);
typedef int64_t ( *PFNGLXSWAPBUFFERSMSCOMLPROC) (Display *dpy, GLXDrawable drawable, int64_t target_msc, int64_t divisor, int64_t remainder);
typedef Bool ( *PFNGLXWAITFORMSCOMLPROC) (Display *dpy, GLXDrawable drawable, int64_t target_msc, int64_t divisor, int64_t remainder, int64_t *ust, int64_t *msc, int64_t *sbc);
typedef Bool ( *PFNGLXWAITFORSBCOMLPROC) (Display *dpy, GLXDrawable drawable, int64_t target_sbc, int64_t *ust, int64_t *msc, int64_t *sbc);
#ifdef GLX_GLXEXT_PROTOTYPES
Bool glXGetSyncValuesOML (Display *dpy, GLXDrawable drawable, int64_t *ust, int64_t *msc, int64_t *sbc);
Bool glXGetMscRateOML (Display *dpy, GLXDrawable drawable, int32_t *numerator, int32_t *denominator);
int64_t glXSwapBuffersMscOML (Display *dpy, GLXDrawable drawable, int64_t target_msc, int64_t divisor, int64_t remainder);
Bool glXWaitForMscOML (Display *dpy, GLXDrawable drawable, int64_t target_msc, int64_t divisor, int64_t remainder, int64_t *ust, int64_t *msc, int64_t *sbc);
Bool glXWaitForSbcOML (Display *dpy, GLXDrawable drawable, int64_t target_sbc, int64_t *ust, int64_t *msc, int64_t *sbc);
#endif
#endif /* GLX_OML_sync_control */
#ifndef GLX_SGIS_blended_overlay
#define GLX_SGIS_blended_overlay 1
#define GLX_BLENDED_RGBA_SGIS 0x8025
#endif /* GLX_SGIS_blended_overlay */
#ifndef GLX_SGIS_multisample
#define GLX_SGIS_multisample 1
#define GLX_SAMPLE_BUFFERS_SGIS 100000
#define GLX_SAMPLES_SGIS 100001
#endif /* GLX_SGIS_multisample */
#ifndef GLX_SGIS_shared_multisample
#define GLX_SGIS_shared_multisample 1
#define GLX_MULTISAMPLE_SUB_RECT_WIDTH_SGIS 0x8026
#define GLX_MULTISAMPLE_SUB_RECT_HEIGHT_SGIS 0x8027
#endif /* GLX_SGIS_shared_multisample */
#ifndef GLX_SGIX_dmbuffer
#define GLX_SGIX_dmbuffer 1
typedef XID GLXPbufferSGIX;
#ifdef _DM_BUFFER_H_
#define GLX_DIGITAL_MEDIA_PBUFFER_SGIX 0x8024
typedef Bool ( *PFNGLXASSOCIATEDMPBUFFERSGIXPROC) (Display *dpy, GLXPbufferSGIX pbuffer, DMparams *params, DMbuffer dmbuffer);
#ifdef GLX_GLXEXT_PROTOTYPES
Bool glXAssociateDMPbufferSGIX (Display *dpy, GLXPbufferSGIX pbuffer, DMparams *params, DMbuffer dmbuffer);
#endif
#endif /* _DM_BUFFER_H_ */
#endif /* GLX_SGIX_dmbuffer */
#ifndef GLX_SGIX_fbconfig
#define GLX_SGIX_fbconfig 1
typedef struct __GLXFBConfigRec *GLXFBConfigSGIX;
#define GLX_WINDOW_BIT_SGIX 0x00000001
#define GLX_PIXMAP_BIT_SGIX 0x00000002
#define GLX_RGBA_BIT_SGIX 0x00000001
#define GLX_COLOR_INDEX_BIT_SGIX 0x00000002
#define GLX_DRAWABLE_TYPE_SGIX 0x8010
#define GLX_RENDER_TYPE_SGIX 0x8011
#define GLX_X_RENDERABLE_SGIX 0x8012
#define GLX_FBCONFIG_ID_SGIX 0x8013
#define GLX_RGBA_TYPE_SGIX 0x8014
#define GLX_COLOR_INDEX_TYPE_SGIX 0x8015
typedef int ( *PFNGLXGETFBCONFIGATTRIBSGIXPROC) (Display *dpy, GLXFBConfigSGIX config, int attribute, int *value);
typedef GLXFBConfigSGIX *( *PFNGLXCHOOSEFBCONFIGSGIXPROC) (Display *dpy, int screen, int *attrib_list, int *nelements);
typedef GLXPixmap ( *PFNGLXCREATEGLXPIXMAPWITHCONFIGSGIXPROC) (Display *dpy, GLXFBConfigSGIX config, Pixmap pixmap);
typedef GLXContext ( *PFNGLXCREATECONTEXTWITHCONFIGSGIXPROC) (Display *dpy, GLXFBConfigSGIX config, int render_type, GLXContext share_list, Bool direct);
typedef XVisualInfo *( *PFNGLXGETVISUALFROMFBCONFIGSGIXPROC) (Display *dpy, GLXFBConfigSGIX config);
typedef GLXFBConfigSGIX ( *PFNGLXGETFBCONFIGFROMVISUALSGIXPROC) (Display *dpy, XVisualInfo *vis);
#ifdef GLX_GLXEXT_PROTOTYPES
int glXGetFBConfigAttribSGIX (Display *dpy, GLXFBConfigSGIX config, int attribute, int *value);
GLXFBConfigSGIX *glXChooseFBConfigSGIX (Display *dpy, int screen, int *attrib_list, int *nelements);
GLXPixmap glXCreateGLXPixmapWithConfigSGIX (Display *dpy, GLXFBConfigSGIX config, Pixmap pixmap);
GLXContext glXCreateContextWithConfigSGIX (Display *dpy, GLXFBConfigSGIX config, int render_type, GLXContext share_list, Bool direct);
XVisualInfo *glXGetVisualFromFBConfigSGIX (Display *dpy, GLXFBConfigSGIX config);
GLXFBConfigSGIX glXGetFBConfigFromVisualSGIX (Display *dpy, XVisualInfo *vis);
#endif
#endif /* GLX_SGIX_fbconfig */
#ifndef GLX_SGIX_hyperpipe
#define GLX_SGIX_hyperpipe 1
typedef struct {
char pipeName[80]; /* Should be [GLX_HYPERPIPE_PIPE_NAME_LENGTH_SGIX] */
int networkId;
} GLXHyperpipeNetworkSGIX;
typedef struct {
char pipeName[80]; /* Should be [GLX_HYPERPIPE_PIPE_NAME_LENGTH_SGIX] */
int channel;
unsigned int participationType;
int timeSlice;
} GLXHyperpipeConfigSGIX;
typedef struct {
char pipeName[80]; /* Should be [GLX_HYPERPIPE_PIPE_NAME_LENGTH_SGIX] */
int srcXOrigin, srcYOrigin, srcWidth, srcHeight;
int destXOrigin, destYOrigin, destWidth, destHeight;
} GLXPipeRect;
typedef struct {
char pipeName[80]; /* Should be [GLX_HYPERPIPE_PIPE_NAME_LENGTH_SGIX] */
int XOrigin, YOrigin, maxHeight, maxWidth;
} GLXPipeRectLimits;
#define GLX_HYPERPIPE_PIPE_NAME_LENGTH_SGIX 80
#define GLX_BAD_HYPERPIPE_CONFIG_SGIX 91
#define GLX_BAD_HYPERPIPE_SGIX 92
#define GLX_HYPERPIPE_DISPLAY_PIPE_SGIX 0x00000001
#define GLX_HYPERPIPE_RENDER_PIPE_SGIX 0x00000002
#define GLX_PIPE_RECT_SGIX 0x00000001
#define GLX_PIPE_RECT_LIMITS_SGIX 0x00000002
#define GLX_HYPERPIPE_STEREO_SGIX 0x00000003
#define GLX_HYPERPIPE_PIXEL_AVERAGE_SGIX 0x00000004
#define GLX_HYPERPIPE_ID_SGIX 0x8030
typedef GLXHyperpipeNetworkSGIX *( *PFNGLXQUERYHYPERPIPENETWORKSGIXPROC) (Display *dpy, int *npipes);
typedef int ( *PFNGLXHYPERPIPECONFIGSGIXPROC) (Display *dpy, int networkId, int npipes, GLXHyperpipeConfigSGIX *cfg, int *hpId);
typedef GLXHyperpipeConfigSGIX *( *PFNGLXQUERYHYPERPIPECONFIGSGIXPROC) (Display *dpy, int hpId, int *npipes);
typedef int ( *PFNGLXDESTROYHYPERPIPECONFIGSGIXPROC) (Display *dpy, int hpId);
typedef int ( *PFNGLXBINDHYPERPIPESGIXPROC) (Display *dpy, int hpId);
typedef int ( *PFNGLXQUERYHYPERPIPEBESTATTRIBSGIXPROC) (Display *dpy, int timeSlice, int attrib, int size, void *attribList, void *returnAttribList);
typedef int ( *PFNGLXHYPERPIPEATTRIBSGIXPROC) (Display *dpy, int timeSlice, int attrib, int size, void *attribList);
typedef int ( *PFNGLXQUERYHYPERPIPEATTRIBSGIXPROC) (Display *dpy, int timeSlice, int attrib, int size, void *returnAttribList);
#ifdef GLX_GLXEXT_PROTOTYPES
GLXHyperpipeNetworkSGIX *glXQueryHyperpipeNetworkSGIX (Display *dpy, int *npipes);
int glXHyperpipeConfigSGIX (Display *dpy, int networkId, int npipes, GLXHyperpipeConfigSGIX *cfg, int *hpId);
GLXHyperpipeConfigSGIX *glXQueryHyperpipeConfigSGIX (Display *dpy, int hpId, int *npipes);
int glXDestroyHyperpipeConfigSGIX (Display *dpy, int hpId);
int glXBindHyperpipeSGIX (Display *dpy, int hpId);
int glXQueryHyperpipeBestAttribSGIX (Display *dpy, int timeSlice, int attrib, int size, void *attribList, void *returnAttribList);
int glXHyperpipeAttribSGIX (Display *dpy, int timeSlice, int attrib, int size, void *attribList);
int glXQueryHyperpipeAttribSGIX (Display *dpy, int timeSlice, int attrib, int size, void *returnAttribList);
#endif
#endif /* GLX_SGIX_hyperpipe */
#ifndef GLX_SGIX_pbuffer
#define GLX_SGIX_pbuffer 1
#define GLX_PBUFFER_BIT_SGIX 0x00000004
#define GLX_BUFFER_CLOBBER_MASK_SGIX 0x08000000
#define GLX_FRONT_LEFT_BUFFER_BIT_SGIX 0x00000001
#define GLX_FRONT_RIGHT_BUFFER_BIT_SGIX 0x00000002
#define GLX_BACK_LEFT_BUFFER_BIT_SGIX 0x00000004
#define GLX_BACK_RIGHT_BUFFER_BIT_SGIX 0x00000008
#define GLX_AUX_BUFFERS_BIT_SGIX 0x00000010
#define GLX_DEPTH_BUFFER_BIT_SGIX 0x00000020
#define GLX_STENCIL_BUFFER_BIT_SGIX 0x00000040
#define GLX_ACCUM_BUFFER_BIT_SGIX 0x00000080
#define GLX_SAMPLE_BUFFERS_BIT_SGIX 0x00000100
#define GLX_MAX_PBUFFER_WIDTH_SGIX 0x8016
#define GLX_MAX_PBUFFER_HEIGHT_SGIX 0x8017
#define GLX_MAX_PBUFFER_PIXELS_SGIX 0x8018
#define GLX_OPTIMAL_PBUFFER_WIDTH_SGIX 0x8019
#define GLX_OPTIMAL_PBUFFER_HEIGHT_SGIX 0x801A
#define GLX_PRESERVED_CONTENTS_SGIX 0x801B
#define GLX_LARGEST_PBUFFER_SGIX 0x801C
#define GLX_WIDTH_SGIX 0x801D
#define GLX_HEIGHT_SGIX 0x801E
#define GLX_EVENT_MASK_SGIX 0x801F
#define GLX_DAMAGED_SGIX 0x8020
#define GLX_SAVED_SGIX 0x8021
#define GLX_WINDOW_SGIX 0x8022
#define GLX_PBUFFER_SGIX 0x8023
typedef GLXPbufferSGIX ( *PFNGLXCREATEGLXPBUFFERSGIXPROC) (Display *dpy, GLXFBConfigSGIX config, unsigned int width, unsigned int height, int *attrib_list);
typedef void ( *PFNGLXDESTROYGLXPBUFFERSGIXPROC) (Display *dpy, GLXPbufferSGIX pbuf);
typedef int ( *PFNGLXQUERYGLXPBUFFERSGIXPROC) (Display *dpy, GLXPbufferSGIX pbuf, int attribute, unsigned int *value);
typedef void ( *PFNGLXSELECTEVENTSGIXPROC) (Display *dpy, GLXDrawable drawable, unsigned long mask);
typedef void ( *PFNGLXGETSELECTEDEVENTSGIXPROC) (Display *dpy, GLXDrawable drawable, unsigned long *mask);
#ifdef GLX_GLXEXT_PROTOTYPES
GLXPbufferSGIX glXCreateGLXPbufferSGIX (Display *dpy, GLXFBConfigSGIX config, unsigned int width, unsigned int height, int *attrib_list);
void glXDestroyGLXPbufferSGIX (Display *dpy, GLXPbufferSGIX pbuf);
int glXQueryGLXPbufferSGIX (Display *dpy, GLXPbufferSGIX pbuf, int attribute, unsigned int *value);
void glXSelectEventSGIX (Display *dpy, GLXDrawable drawable, unsigned long mask);
void glXGetSelectedEventSGIX (Display *dpy, GLXDrawable drawable, unsigned long *mask);
#endif
#endif /* GLX_SGIX_pbuffer */
#ifndef GLX_SGIX_swap_barrier
#define GLX_SGIX_swap_barrier 1
typedef void ( *PFNGLXBINDSWAPBARRIERSGIXPROC) (Display *dpy, GLXDrawable drawable, int barrier);
typedef Bool ( *PFNGLXQUERYMAXSWAPBARRIERSSGIXPROC) (Display *dpy, int screen, int *max);
#ifdef GLX_GLXEXT_PROTOTYPES
void glXBindSwapBarrierSGIX (Display *dpy, GLXDrawable drawable, int barrier);
Bool glXQueryMaxSwapBarriersSGIX (Display *dpy, int screen, int *max);
#endif
#endif /* GLX_SGIX_swap_barrier */
#ifndef GLX_SGIX_swap_group
#define GLX_SGIX_swap_group 1
typedef void ( *PFNGLXJOINSWAPGROUPSGIXPROC) (Display *dpy, GLXDrawable drawable, GLXDrawable member);
#ifdef GLX_GLXEXT_PROTOTYPES
void glXJoinSwapGroupSGIX (Display *dpy, GLXDrawable drawable, GLXDrawable member);
#endif
#endif /* GLX_SGIX_swap_group */
#ifndef GLX_SGIX_video_resize
#define GLX_SGIX_video_resize 1
#define GLX_SYNC_FRAME_SGIX 0x00000000
#define GLX_SYNC_SWAP_SGIX 0x00000001
typedef int ( *PFNGLXBINDCHANNELTOWINDOWSGIXPROC) (Display *display, int screen, int channel, Window window);
typedef int ( *PFNGLXCHANNELRECTSGIXPROC) (Display *display, int screen, int channel, int x, int y, int w, int h);
typedef int ( *PFNGLXQUERYCHANNELRECTSGIXPROC) (Display *display, int screen, int channel, int *dx, int *dy, int *dw, int *dh);
typedef int ( *PFNGLXQUERYCHANNELDELTASSGIXPROC) (Display *display, int screen, int channel, int *x, int *y, int *w, int *h);
typedef int ( *PFNGLXCHANNELRECTSYNCSGIXPROC) (Display *display, int screen, int channel, GLenum synctype);
#ifdef GLX_GLXEXT_PROTOTYPES
int glXBindChannelToWindowSGIX (Display *display, int screen, int channel, Window window);
int glXChannelRectSGIX (Display *display, int screen, int channel, int x, int y, int w, int h);
int glXQueryChannelRectSGIX (Display *display, int screen, int channel, int *dx, int *dy, int *dw, int *dh);
int glXQueryChannelDeltasSGIX (Display *display, int screen, int channel, int *x, int *y, int *w, int *h);
int glXChannelRectSyncSGIX (Display *display, int screen, int channel, GLenum synctype);
#endif
#endif /* GLX_SGIX_video_resize */
#ifndef GLX_SGIX_video_source
#define GLX_SGIX_video_source 1
typedef XID GLXVideoSourceSGIX;
#ifdef _VL_H
typedef GLXVideoSourceSGIX ( *PFNGLXCREATEGLXVIDEOSOURCESGIXPROC) (Display *display, int screen, VLServer server, VLPath path, int nodeClass, VLNode drainNode);
typedef void ( *PFNGLXDESTROYGLXVIDEOSOURCESGIXPROC) (Display *dpy, GLXVideoSourceSGIX glxvideosource);
#ifdef GLX_GLXEXT_PROTOTYPES
GLXVideoSourceSGIX glXCreateGLXVideoSourceSGIX (Display *display, int screen, VLServer server, VLPath path, int nodeClass, VLNode drainNode);
void glXDestroyGLXVideoSourceSGIX (Display *dpy, GLXVideoSourceSGIX glxvideosource);
#endif
#endif /* _VL_H */
#endif /* GLX_SGIX_video_source */
#ifndef GLX_SGIX_visual_select_group
#define GLX_SGIX_visual_select_group 1
#define GLX_VISUAL_SELECT_GROUP_SGIX 0x8028
#endif /* GLX_SGIX_visual_select_group */
#ifndef GLX_SGI_cushion
#define GLX_SGI_cushion 1
typedef void ( *PFNGLXCUSHIONSGIPROC) (Display *dpy, Window window, float cushion);
#ifdef GLX_GLXEXT_PROTOTYPES
void glXCushionSGI (Display *dpy, Window window, float cushion);
#endif
#endif /* GLX_SGI_cushion */
#ifndef GLX_SGI_make_current_read
#define GLX_SGI_make_current_read 1
typedef Bool ( *PFNGLXMAKECURRENTREADSGIPROC) (Display *dpy, GLXDrawable draw, GLXDrawable read, GLXContext ctx);
typedef GLXDrawable ( *PFNGLXGETCURRENTREADDRAWABLESGIPROC) (void);
#ifdef GLX_GLXEXT_PROTOTYPES
Bool glXMakeCurrentReadSGI (Display *dpy, GLXDrawable draw, GLXDrawable read, GLXContext ctx);
GLXDrawable glXGetCurrentReadDrawableSGI (void);
#endif
#endif /* GLX_SGI_make_current_read */
#ifndef GLX_SGI_swap_control
#define GLX_SGI_swap_control 1
typedef int ( *PFNGLXSWAPINTERVALSGIPROC) (int interval);
#ifdef GLX_GLXEXT_PROTOTYPES
int glXSwapIntervalSGI (int interval);
#endif
#endif /* GLX_SGI_swap_control */
#ifndef GLX_SGI_video_sync
#define GLX_SGI_video_sync 1
typedef int ( *PFNGLXGETVIDEOSYNCSGIPROC) (unsigned int *count);
typedef int ( *PFNGLXWAITVIDEOSYNCSGIPROC) (int divisor, int remainder, unsigned int *count);
#ifdef GLX_GLXEXT_PROTOTYPES
int glXGetVideoSyncSGI (unsigned int *count);
int glXWaitVideoSyncSGI (int divisor, int remainder, unsigned int *count);
#endif
#endif /* GLX_SGI_video_sync */
#ifndef GLX_SUN_get_transparent_index
#define GLX_SUN_get_transparent_index 1
typedef Status ( *PFNGLXGETTRANSPARENTINDEXSUNPROC) (Display *dpy, Window overlay, Window underlay, long *pTransparentIndex);
#ifdef GLX_GLXEXT_PROTOTYPES
Status glXGetTransparentIndexSUN (Display *dpy, Window overlay, Window underlay, long *pTransparentIndex);
#endif
#endif /* GLX_SUN_get_transparent_index */
#ifdef __cplusplus
}
#endif
#endif

833
extern/glfw-3.0.4/deps/GL/wglext.h vendored Normal file
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@@ -0,0 +1,833 @@
#ifndef __wglext_h_
#define __wglext_h_ 1
#ifdef __cplusplus
extern "C" {
#endif
/*
** Copyright (c) 2013 The Khronos Group Inc.
**
** Permission is hereby granted, free of charge, to any person obtaining a
** copy of this software and/or associated documentation files (the
** "Materials"), to deal in the Materials without restriction, including
** without limitation the rights to use, copy, modify, merge, publish,
** distribute, sublicense, and/or sell copies of the Materials, and to
** permit persons to whom the Materials are furnished to do so, subject to
** the following conditions:
**
** The above copyright notice and this permission notice shall be included
** in all copies or substantial portions of the Materials.
**
** THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
** MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
*/
/*
** This header is generated from the Khronos OpenGL / OpenGL ES XML
** API Registry. The current version of the Registry, generator scripts
** used to make the header, and the header can be found at
** http://www.opengl.org/registry/
**
** Khronos $Revision: 23649 $ on $Date: 2013-10-23 00:21:49 -0700 (Wed, 23 Oct 2013) $
*/
#if defined(_WIN32) && !defined(APIENTRY) && !defined(__CYGWIN__) && !defined(__SCITECH_SNAP__)
#define WIN32_LEAN_AND_MEAN 1
#include <windows.h>
#endif
#define WGL_WGLEXT_VERSION 20130916
/* Generated C header for:
* API: wgl
* Versions considered: .*
* Versions emitted: _nomatch_^
* Default extensions included: wgl
* Additional extensions included: _nomatch_^
* Extensions removed: _nomatch_^
*/
#ifndef WGL_ARB_buffer_region
#define WGL_ARB_buffer_region 1
#define WGL_FRONT_COLOR_BUFFER_BIT_ARB 0x00000001
#define WGL_BACK_COLOR_BUFFER_BIT_ARB 0x00000002
#define WGL_DEPTH_BUFFER_BIT_ARB 0x00000004
#define WGL_STENCIL_BUFFER_BIT_ARB 0x00000008
typedef HANDLE (WINAPI * PFNWGLCREATEBUFFERREGIONARBPROC) (HDC hDC, int iLayerPlane, UINT uType);
typedef VOID (WINAPI * PFNWGLDELETEBUFFERREGIONARBPROC) (HANDLE hRegion);
typedef BOOL (WINAPI * PFNWGLSAVEBUFFERREGIONARBPROC) (HANDLE hRegion, int x, int y, int width, int height);
typedef BOOL (WINAPI * PFNWGLRESTOREBUFFERREGIONARBPROC) (HANDLE hRegion, int x, int y, int width, int height, int xSrc, int ySrc);
#ifdef WGL_WGLEXT_PROTOTYPES
HANDLE WINAPI wglCreateBufferRegionARB (HDC hDC, int iLayerPlane, UINT uType);
VOID WINAPI wglDeleteBufferRegionARB (HANDLE hRegion);
BOOL WINAPI wglSaveBufferRegionARB (HANDLE hRegion, int x, int y, int width, int height);
BOOL WINAPI wglRestoreBufferRegionARB (HANDLE hRegion, int x, int y, int width, int height, int xSrc, int ySrc);
#endif
#endif /* WGL_ARB_buffer_region */
#ifndef WGL_ARB_create_context
#define WGL_ARB_create_context 1
#define WGL_CONTEXT_DEBUG_BIT_ARB 0x00000001
#define WGL_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB 0x00000002
#define WGL_CONTEXT_MAJOR_VERSION_ARB 0x2091
#define WGL_CONTEXT_MINOR_VERSION_ARB 0x2092
#define WGL_CONTEXT_LAYER_PLANE_ARB 0x2093
#define WGL_CONTEXT_FLAGS_ARB 0x2094
#define ERROR_INVALID_VERSION_ARB 0x2095
typedef HGLRC (WINAPI * PFNWGLCREATECONTEXTATTRIBSARBPROC) (HDC hDC, HGLRC hShareContext, const int *attribList);
#ifdef WGL_WGLEXT_PROTOTYPES
HGLRC WINAPI wglCreateContextAttribsARB (HDC hDC, HGLRC hShareContext, const int *attribList);
#endif
#endif /* WGL_ARB_create_context */
#ifndef WGL_ARB_create_context_profile
#define WGL_ARB_create_context_profile 1
#define WGL_CONTEXT_PROFILE_MASK_ARB 0x9126
#define WGL_CONTEXT_CORE_PROFILE_BIT_ARB 0x00000001
#define WGL_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB 0x00000002
#define ERROR_INVALID_PROFILE_ARB 0x2096
#endif /* WGL_ARB_create_context_profile */
#ifndef WGL_ARB_create_context_robustness
#define WGL_ARB_create_context_robustness 1
#define WGL_CONTEXT_ROBUST_ACCESS_BIT_ARB 0x00000004
#define WGL_LOSE_CONTEXT_ON_RESET_ARB 0x8252
#define WGL_CONTEXT_RESET_NOTIFICATION_STRATEGY_ARB 0x8256
#define WGL_NO_RESET_NOTIFICATION_ARB 0x8261
#endif /* WGL_ARB_create_context_robustness */
#ifndef WGL_ARB_extensions_string
#define WGL_ARB_extensions_string 1
typedef const char *(WINAPI * PFNWGLGETEXTENSIONSSTRINGARBPROC) (HDC hdc);
#ifdef WGL_WGLEXT_PROTOTYPES
const char *WINAPI wglGetExtensionsStringARB (HDC hdc);
#endif
#endif /* WGL_ARB_extensions_string */
#ifndef WGL_ARB_framebuffer_sRGB
#define WGL_ARB_framebuffer_sRGB 1
#define WGL_FRAMEBUFFER_SRGB_CAPABLE_ARB 0x20A9
#endif /* WGL_ARB_framebuffer_sRGB */
#ifndef WGL_ARB_make_current_read
#define WGL_ARB_make_current_read 1
#define ERROR_INVALID_PIXEL_TYPE_ARB 0x2043
#define ERROR_INCOMPATIBLE_DEVICE_CONTEXTS_ARB 0x2054
typedef BOOL (WINAPI * PFNWGLMAKECONTEXTCURRENTARBPROC) (HDC hDrawDC, HDC hReadDC, HGLRC hglrc);
typedef HDC (WINAPI * PFNWGLGETCURRENTREADDCARBPROC) (void);
#ifdef WGL_WGLEXT_PROTOTYPES
BOOL WINAPI wglMakeContextCurrentARB (HDC hDrawDC, HDC hReadDC, HGLRC hglrc);
HDC WINAPI wglGetCurrentReadDCARB (void);
#endif
#endif /* WGL_ARB_make_current_read */
#ifndef WGL_ARB_multisample
#define WGL_ARB_multisample 1
#define WGL_SAMPLE_BUFFERS_ARB 0x2041
#define WGL_SAMPLES_ARB 0x2042
#endif /* WGL_ARB_multisample */
#ifndef WGL_ARB_pbuffer
#define WGL_ARB_pbuffer 1
DECLARE_HANDLE(HPBUFFERARB);
#define WGL_DRAW_TO_PBUFFER_ARB 0x202D
#define WGL_MAX_PBUFFER_PIXELS_ARB 0x202E
#define WGL_MAX_PBUFFER_WIDTH_ARB 0x202F
#define WGL_MAX_PBUFFER_HEIGHT_ARB 0x2030
#define WGL_PBUFFER_LARGEST_ARB 0x2033
#define WGL_PBUFFER_WIDTH_ARB 0x2034
#define WGL_PBUFFER_HEIGHT_ARB 0x2035
#define WGL_PBUFFER_LOST_ARB 0x2036
typedef HPBUFFERARB (WINAPI * PFNWGLCREATEPBUFFERARBPROC) (HDC hDC, int iPixelFormat, int iWidth, int iHeight, const int *piAttribList);
typedef HDC (WINAPI * PFNWGLGETPBUFFERDCARBPROC) (HPBUFFERARB hPbuffer);
typedef int (WINAPI * PFNWGLRELEASEPBUFFERDCARBPROC) (HPBUFFERARB hPbuffer, HDC hDC);
typedef BOOL (WINAPI * PFNWGLDESTROYPBUFFERARBPROC) (HPBUFFERARB hPbuffer);
typedef BOOL (WINAPI * PFNWGLQUERYPBUFFERARBPROC) (HPBUFFERARB hPbuffer, int iAttribute, int *piValue);
#ifdef WGL_WGLEXT_PROTOTYPES
HPBUFFERARB WINAPI wglCreatePbufferARB (HDC hDC, int iPixelFormat, int iWidth, int iHeight, const int *piAttribList);
HDC WINAPI wglGetPbufferDCARB (HPBUFFERARB hPbuffer);
int WINAPI wglReleasePbufferDCARB (HPBUFFERARB hPbuffer, HDC hDC);
BOOL WINAPI wglDestroyPbufferARB (HPBUFFERARB hPbuffer);
BOOL WINAPI wglQueryPbufferARB (HPBUFFERARB hPbuffer, int iAttribute, int *piValue);
#endif
#endif /* WGL_ARB_pbuffer */
#ifndef WGL_ARB_pixel_format
#define WGL_ARB_pixel_format 1
#define WGL_NUMBER_PIXEL_FORMATS_ARB 0x2000
#define WGL_DRAW_TO_WINDOW_ARB 0x2001
#define WGL_DRAW_TO_BITMAP_ARB 0x2002
#define WGL_ACCELERATION_ARB 0x2003
#define WGL_NEED_PALETTE_ARB 0x2004
#define WGL_NEED_SYSTEM_PALETTE_ARB 0x2005
#define WGL_SWAP_LAYER_BUFFERS_ARB 0x2006
#define WGL_SWAP_METHOD_ARB 0x2007
#define WGL_NUMBER_OVERLAYS_ARB 0x2008
#define WGL_NUMBER_UNDERLAYS_ARB 0x2009
#define WGL_TRANSPARENT_ARB 0x200A
#define WGL_TRANSPARENT_RED_VALUE_ARB 0x2037
#define WGL_TRANSPARENT_GREEN_VALUE_ARB 0x2038
#define WGL_TRANSPARENT_BLUE_VALUE_ARB 0x2039
#define WGL_TRANSPARENT_ALPHA_VALUE_ARB 0x203A
#define WGL_TRANSPARENT_INDEX_VALUE_ARB 0x203B
#define WGL_SHARE_DEPTH_ARB 0x200C
#define WGL_SHARE_STENCIL_ARB 0x200D
#define WGL_SHARE_ACCUM_ARB 0x200E
#define WGL_SUPPORT_GDI_ARB 0x200F
#define WGL_SUPPORT_OPENGL_ARB 0x2010
#define WGL_DOUBLE_BUFFER_ARB 0x2011
#define WGL_STEREO_ARB 0x2012
#define WGL_PIXEL_TYPE_ARB 0x2013
#define WGL_COLOR_BITS_ARB 0x2014
#define WGL_RED_BITS_ARB 0x2015
#define WGL_RED_SHIFT_ARB 0x2016
#define WGL_GREEN_BITS_ARB 0x2017
#define WGL_GREEN_SHIFT_ARB 0x2018
#define WGL_BLUE_BITS_ARB 0x2019
#define WGL_BLUE_SHIFT_ARB 0x201A
#define WGL_ALPHA_BITS_ARB 0x201B
#define WGL_ALPHA_SHIFT_ARB 0x201C
#define WGL_ACCUM_BITS_ARB 0x201D
#define WGL_ACCUM_RED_BITS_ARB 0x201E
#define WGL_ACCUM_GREEN_BITS_ARB 0x201F
#define WGL_ACCUM_BLUE_BITS_ARB 0x2020
#define WGL_ACCUM_ALPHA_BITS_ARB 0x2021
#define WGL_DEPTH_BITS_ARB 0x2022
#define WGL_STENCIL_BITS_ARB 0x2023
#define WGL_AUX_BUFFERS_ARB 0x2024
#define WGL_NO_ACCELERATION_ARB 0x2025
#define WGL_GENERIC_ACCELERATION_ARB 0x2026
#define WGL_FULL_ACCELERATION_ARB 0x2027
#define WGL_SWAP_EXCHANGE_ARB 0x2028
#define WGL_SWAP_COPY_ARB 0x2029
#define WGL_SWAP_UNDEFINED_ARB 0x202A
#define WGL_TYPE_RGBA_ARB 0x202B
#define WGL_TYPE_COLORINDEX_ARB 0x202C
typedef BOOL (WINAPI * PFNWGLGETPIXELFORMATATTRIBIVARBPROC) (HDC hdc, int iPixelFormat, int iLayerPlane, UINT nAttributes, const int *piAttributes, int *piValues);
typedef BOOL (WINAPI * PFNWGLGETPIXELFORMATATTRIBFVARBPROC) (HDC hdc, int iPixelFormat, int iLayerPlane, UINT nAttributes, const int *piAttributes, FLOAT *pfValues);
typedef BOOL (WINAPI * PFNWGLCHOOSEPIXELFORMATARBPROC) (HDC hdc, const int *piAttribIList, const FLOAT *pfAttribFList, UINT nMaxFormats, int *piFormats, UINT *nNumFormats);
#ifdef WGL_WGLEXT_PROTOTYPES
BOOL WINAPI wglGetPixelFormatAttribivARB (HDC hdc, int iPixelFormat, int iLayerPlane, UINT nAttributes, const int *piAttributes, int *piValues);
BOOL WINAPI wglGetPixelFormatAttribfvARB (HDC hdc, int iPixelFormat, int iLayerPlane, UINT nAttributes, const int *piAttributes, FLOAT *pfValues);
BOOL WINAPI wglChoosePixelFormatARB (HDC hdc, const int *piAttribIList, const FLOAT *pfAttribFList, UINT nMaxFormats, int *piFormats, UINT *nNumFormats);
#endif
#endif /* WGL_ARB_pixel_format */
#ifndef WGL_ARB_pixel_format_float
#define WGL_ARB_pixel_format_float 1
#define WGL_TYPE_RGBA_FLOAT_ARB 0x21A0
#endif /* WGL_ARB_pixel_format_float */
#ifndef WGL_ARB_render_texture
#define WGL_ARB_render_texture 1
#define WGL_BIND_TO_TEXTURE_RGB_ARB 0x2070
#define WGL_BIND_TO_TEXTURE_RGBA_ARB 0x2071
#define WGL_TEXTURE_FORMAT_ARB 0x2072
#define WGL_TEXTURE_TARGET_ARB 0x2073
#define WGL_MIPMAP_TEXTURE_ARB 0x2074
#define WGL_TEXTURE_RGB_ARB 0x2075
#define WGL_TEXTURE_RGBA_ARB 0x2076
#define WGL_NO_TEXTURE_ARB 0x2077
#define WGL_TEXTURE_CUBE_MAP_ARB 0x2078
#define WGL_TEXTURE_1D_ARB 0x2079
#define WGL_TEXTURE_2D_ARB 0x207A
#define WGL_MIPMAP_LEVEL_ARB 0x207B
#define WGL_CUBE_MAP_FACE_ARB 0x207C
#define WGL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB 0x207D
#define WGL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB 0x207E
#define WGL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB 0x207F
#define WGL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB 0x2080
#define WGL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB 0x2081
#define WGL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB 0x2082
#define WGL_FRONT_LEFT_ARB 0x2083
#define WGL_FRONT_RIGHT_ARB 0x2084
#define WGL_BACK_LEFT_ARB 0x2085
#define WGL_BACK_RIGHT_ARB 0x2086
#define WGL_AUX0_ARB 0x2087
#define WGL_AUX1_ARB 0x2088
#define WGL_AUX2_ARB 0x2089
#define WGL_AUX3_ARB 0x208A
#define WGL_AUX4_ARB 0x208B
#define WGL_AUX5_ARB 0x208C
#define WGL_AUX6_ARB 0x208D
#define WGL_AUX7_ARB 0x208E
#define WGL_AUX8_ARB 0x208F
#define WGL_AUX9_ARB 0x2090
typedef BOOL (WINAPI * PFNWGLBINDTEXIMAGEARBPROC) (HPBUFFERARB hPbuffer, int iBuffer);
typedef BOOL (WINAPI * PFNWGLRELEASETEXIMAGEARBPROC) (HPBUFFERARB hPbuffer, int iBuffer);
typedef BOOL (WINAPI * PFNWGLSETPBUFFERATTRIBARBPROC) (HPBUFFERARB hPbuffer, const int *piAttribList);
#ifdef WGL_WGLEXT_PROTOTYPES
BOOL WINAPI wglBindTexImageARB (HPBUFFERARB hPbuffer, int iBuffer);
BOOL WINAPI wglReleaseTexImageARB (HPBUFFERARB hPbuffer, int iBuffer);
BOOL WINAPI wglSetPbufferAttribARB (HPBUFFERARB hPbuffer, const int *piAttribList);
#endif
#endif /* WGL_ARB_render_texture */
#ifndef WGL_ARB_robustness_application_isolation
#define WGL_ARB_robustness_application_isolation 1
#define WGL_CONTEXT_RESET_ISOLATION_BIT_ARB 0x00000008
#endif /* WGL_ARB_robustness_application_isolation */
#ifndef WGL_ARB_robustness_share_group_isolation
#define WGL_ARB_robustness_share_group_isolation 1
#endif /* WGL_ARB_robustness_share_group_isolation */
#ifndef WGL_3DFX_multisample
#define WGL_3DFX_multisample 1
#define WGL_SAMPLE_BUFFERS_3DFX 0x2060
#define WGL_SAMPLES_3DFX 0x2061
#endif /* WGL_3DFX_multisample */
#ifndef WGL_3DL_stereo_control
#define WGL_3DL_stereo_control 1
#define WGL_STEREO_EMITTER_ENABLE_3DL 0x2055
#define WGL_STEREO_EMITTER_DISABLE_3DL 0x2056
#define WGL_STEREO_POLARITY_NORMAL_3DL 0x2057
#define WGL_STEREO_POLARITY_INVERT_3DL 0x2058
typedef BOOL (WINAPI * PFNWGLSETSTEREOEMITTERSTATE3DLPROC) (HDC hDC, UINT uState);
#ifdef WGL_WGLEXT_PROTOTYPES
BOOL WINAPI wglSetStereoEmitterState3DL (HDC hDC, UINT uState);
#endif
#endif /* WGL_3DL_stereo_control */
#ifndef WGL_AMD_gpu_association
#define WGL_AMD_gpu_association 1
#define WGL_GPU_VENDOR_AMD 0x1F00
#define WGL_GPU_RENDERER_STRING_AMD 0x1F01
#define WGL_GPU_OPENGL_VERSION_STRING_AMD 0x1F02
#define WGL_GPU_FASTEST_TARGET_GPUS_AMD 0x21A2
#define WGL_GPU_RAM_AMD 0x21A3
#define WGL_GPU_CLOCK_AMD 0x21A4
#define WGL_GPU_NUM_PIPES_AMD 0x21A5
#define WGL_GPU_NUM_SIMD_AMD 0x21A6
#define WGL_GPU_NUM_RB_AMD 0x21A7
#define WGL_GPU_NUM_SPI_AMD 0x21A8
typedef UINT (WINAPI * PFNWGLGETGPUIDSAMDPROC) (UINT maxCount, UINT *ids);
typedef INT (WINAPI * PFNWGLGETGPUINFOAMDPROC) (UINT id, int property, GLenum dataType, UINT size, void *data);
typedef UINT (WINAPI * PFNWGLGETCONTEXTGPUIDAMDPROC) (HGLRC hglrc);
typedef HGLRC (WINAPI * PFNWGLCREATEASSOCIATEDCONTEXTAMDPROC) (UINT id);
typedef HGLRC (WINAPI * PFNWGLCREATEASSOCIATEDCONTEXTATTRIBSAMDPROC) (UINT id, HGLRC hShareContext, const int *attribList);
typedef BOOL (WINAPI * PFNWGLDELETEASSOCIATEDCONTEXTAMDPROC) (HGLRC hglrc);
typedef BOOL (WINAPI * PFNWGLMAKEASSOCIATEDCONTEXTCURRENTAMDPROC) (HGLRC hglrc);
typedef HGLRC (WINAPI * PFNWGLGETCURRENTASSOCIATEDCONTEXTAMDPROC) (void);
typedef VOID (WINAPI * PFNWGLBLITCONTEXTFRAMEBUFFERAMDPROC) (HGLRC dstCtx, GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1, GLbitfield mask, GLenum filter);
#ifdef WGL_WGLEXT_PROTOTYPES
UINT WINAPI wglGetGPUIDsAMD (UINT maxCount, UINT *ids);
INT WINAPI wglGetGPUInfoAMD (UINT id, int property, GLenum dataType, UINT size, void *data);
UINT WINAPI wglGetContextGPUIDAMD (HGLRC hglrc);
HGLRC WINAPI wglCreateAssociatedContextAMD (UINT id);
HGLRC WINAPI wglCreateAssociatedContextAttribsAMD (UINT id, HGLRC hShareContext, const int *attribList);
BOOL WINAPI wglDeleteAssociatedContextAMD (HGLRC hglrc);
BOOL WINAPI wglMakeAssociatedContextCurrentAMD (HGLRC hglrc);
HGLRC WINAPI wglGetCurrentAssociatedContextAMD (void);
VOID WINAPI wglBlitContextFramebufferAMD (HGLRC dstCtx, GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1, GLbitfield mask, GLenum filter);
#endif
#endif /* WGL_AMD_gpu_association */
#ifndef WGL_ATI_pixel_format_float
#define WGL_ATI_pixel_format_float 1
#define WGL_TYPE_RGBA_FLOAT_ATI 0x21A0
#endif /* WGL_ATI_pixel_format_float */
#ifndef WGL_EXT_create_context_es2_profile
#define WGL_EXT_create_context_es2_profile 1
#define WGL_CONTEXT_ES2_PROFILE_BIT_EXT 0x00000004
#endif /* WGL_EXT_create_context_es2_profile */
#ifndef WGL_EXT_create_context_es_profile
#define WGL_EXT_create_context_es_profile 1
#define WGL_CONTEXT_ES_PROFILE_BIT_EXT 0x00000004
#endif /* WGL_EXT_create_context_es_profile */
#ifndef WGL_EXT_depth_float
#define WGL_EXT_depth_float 1
#define WGL_DEPTH_FLOAT_EXT 0x2040
#endif /* WGL_EXT_depth_float */
#ifndef WGL_EXT_display_color_table
#define WGL_EXT_display_color_table 1
typedef GLboolean (WINAPI * PFNWGLCREATEDISPLAYCOLORTABLEEXTPROC) (GLushort id);
typedef GLboolean (WINAPI * PFNWGLLOADDISPLAYCOLORTABLEEXTPROC) (const GLushort *table, GLuint length);
typedef GLboolean (WINAPI * PFNWGLBINDDISPLAYCOLORTABLEEXTPROC) (GLushort id);
typedef VOID (WINAPI * PFNWGLDESTROYDISPLAYCOLORTABLEEXTPROC) (GLushort id);
#ifdef WGL_WGLEXT_PROTOTYPES
GLboolean WINAPI wglCreateDisplayColorTableEXT (GLushort id);
GLboolean WINAPI wglLoadDisplayColorTableEXT (const GLushort *table, GLuint length);
GLboolean WINAPI wglBindDisplayColorTableEXT (GLushort id);
VOID WINAPI wglDestroyDisplayColorTableEXT (GLushort id);
#endif
#endif /* WGL_EXT_display_color_table */
#ifndef WGL_EXT_extensions_string
#define WGL_EXT_extensions_string 1
typedef const char *(WINAPI * PFNWGLGETEXTENSIONSSTRINGEXTPROC) (void);
#ifdef WGL_WGLEXT_PROTOTYPES
const char *WINAPI wglGetExtensionsStringEXT (void);
#endif
#endif /* WGL_EXT_extensions_string */
#ifndef WGL_EXT_framebuffer_sRGB
#define WGL_EXT_framebuffer_sRGB 1
#define WGL_FRAMEBUFFER_SRGB_CAPABLE_EXT 0x20A9
#endif /* WGL_EXT_framebuffer_sRGB */
#ifndef WGL_EXT_make_current_read
#define WGL_EXT_make_current_read 1
#define ERROR_INVALID_PIXEL_TYPE_EXT 0x2043
typedef BOOL (WINAPI * PFNWGLMAKECONTEXTCURRENTEXTPROC) (HDC hDrawDC, HDC hReadDC, HGLRC hglrc);
typedef HDC (WINAPI * PFNWGLGETCURRENTREADDCEXTPROC) (void);
#ifdef WGL_WGLEXT_PROTOTYPES
BOOL WINAPI wglMakeContextCurrentEXT (HDC hDrawDC, HDC hReadDC, HGLRC hglrc);
HDC WINAPI wglGetCurrentReadDCEXT (void);
#endif
#endif /* WGL_EXT_make_current_read */
#ifndef WGL_EXT_multisample
#define WGL_EXT_multisample 1
#define WGL_SAMPLE_BUFFERS_EXT 0x2041
#define WGL_SAMPLES_EXT 0x2042
#endif /* WGL_EXT_multisample */
#ifndef WGL_EXT_pbuffer
#define WGL_EXT_pbuffer 1
DECLARE_HANDLE(HPBUFFEREXT);
#define WGL_DRAW_TO_PBUFFER_EXT 0x202D
#define WGL_MAX_PBUFFER_PIXELS_EXT 0x202E
#define WGL_MAX_PBUFFER_WIDTH_EXT 0x202F
#define WGL_MAX_PBUFFER_HEIGHT_EXT 0x2030
#define WGL_OPTIMAL_PBUFFER_WIDTH_EXT 0x2031
#define WGL_OPTIMAL_PBUFFER_HEIGHT_EXT 0x2032
#define WGL_PBUFFER_LARGEST_EXT 0x2033
#define WGL_PBUFFER_WIDTH_EXT 0x2034
#define WGL_PBUFFER_HEIGHT_EXT 0x2035
typedef HPBUFFEREXT (WINAPI * PFNWGLCREATEPBUFFEREXTPROC) (HDC hDC, int iPixelFormat, int iWidth, int iHeight, const int *piAttribList);
typedef HDC (WINAPI * PFNWGLGETPBUFFERDCEXTPROC) (HPBUFFEREXT hPbuffer);
typedef int (WINAPI * PFNWGLRELEASEPBUFFERDCEXTPROC) (HPBUFFEREXT hPbuffer, HDC hDC);
typedef BOOL (WINAPI * PFNWGLDESTROYPBUFFEREXTPROC) (HPBUFFEREXT hPbuffer);
typedef BOOL (WINAPI * PFNWGLQUERYPBUFFEREXTPROC) (HPBUFFEREXT hPbuffer, int iAttribute, int *piValue);
#ifdef WGL_WGLEXT_PROTOTYPES
HPBUFFEREXT WINAPI wglCreatePbufferEXT (HDC hDC, int iPixelFormat, int iWidth, int iHeight, const int *piAttribList);
HDC WINAPI wglGetPbufferDCEXT (HPBUFFEREXT hPbuffer);
int WINAPI wglReleasePbufferDCEXT (HPBUFFEREXT hPbuffer, HDC hDC);
BOOL WINAPI wglDestroyPbufferEXT (HPBUFFEREXT hPbuffer);
BOOL WINAPI wglQueryPbufferEXT (HPBUFFEREXT hPbuffer, int iAttribute, int *piValue);
#endif
#endif /* WGL_EXT_pbuffer */
#ifndef WGL_EXT_pixel_format
#define WGL_EXT_pixel_format 1
#define WGL_NUMBER_PIXEL_FORMATS_EXT 0x2000
#define WGL_DRAW_TO_WINDOW_EXT 0x2001
#define WGL_DRAW_TO_BITMAP_EXT 0x2002
#define WGL_ACCELERATION_EXT 0x2003
#define WGL_NEED_PALETTE_EXT 0x2004
#define WGL_NEED_SYSTEM_PALETTE_EXT 0x2005
#define WGL_SWAP_LAYER_BUFFERS_EXT 0x2006
#define WGL_SWAP_METHOD_EXT 0x2007
#define WGL_NUMBER_OVERLAYS_EXT 0x2008
#define WGL_NUMBER_UNDERLAYS_EXT 0x2009
#define WGL_TRANSPARENT_EXT 0x200A
#define WGL_TRANSPARENT_VALUE_EXT 0x200B
#define WGL_SHARE_DEPTH_EXT 0x200C
#define WGL_SHARE_STENCIL_EXT 0x200D
#define WGL_SHARE_ACCUM_EXT 0x200E
#define WGL_SUPPORT_GDI_EXT 0x200F
#define WGL_SUPPORT_OPENGL_EXT 0x2010
#define WGL_DOUBLE_BUFFER_EXT 0x2011
#define WGL_STEREO_EXT 0x2012
#define WGL_PIXEL_TYPE_EXT 0x2013
#define WGL_COLOR_BITS_EXT 0x2014
#define WGL_RED_BITS_EXT 0x2015
#define WGL_RED_SHIFT_EXT 0x2016
#define WGL_GREEN_BITS_EXT 0x2017
#define WGL_GREEN_SHIFT_EXT 0x2018
#define WGL_BLUE_BITS_EXT 0x2019
#define WGL_BLUE_SHIFT_EXT 0x201A
#define WGL_ALPHA_BITS_EXT 0x201B
#define WGL_ALPHA_SHIFT_EXT 0x201C
#define WGL_ACCUM_BITS_EXT 0x201D
#define WGL_ACCUM_RED_BITS_EXT 0x201E
#define WGL_ACCUM_GREEN_BITS_EXT 0x201F
#define WGL_ACCUM_BLUE_BITS_EXT 0x2020
#define WGL_ACCUM_ALPHA_BITS_EXT 0x2021
#define WGL_DEPTH_BITS_EXT 0x2022
#define WGL_STENCIL_BITS_EXT 0x2023
#define WGL_AUX_BUFFERS_EXT 0x2024
#define WGL_NO_ACCELERATION_EXT 0x2025
#define WGL_GENERIC_ACCELERATION_EXT 0x2026
#define WGL_FULL_ACCELERATION_EXT 0x2027
#define WGL_SWAP_EXCHANGE_EXT 0x2028
#define WGL_SWAP_COPY_EXT 0x2029
#define WGL_SWAP_UNDEFINED_EXT 0x202A
#define WGL_TYPE_RGBA_EXT 0x202B
#define WGL_TYPE_COLORINDEX_EXT 0x202C
typedef BOOL (WINAPI * PFNWGLGETPIXELFORMATATTRIBIVEXTPROC) (HDC hdc, int iPixelFormat, int iLayerPlane, UINT nAttributes, int *piAttributes, int *piValues);
typedef BOOL (WINAPI * PFNWGLGETPIXELFORMATATTRIBFVEXTPROC) (HDC hdc, int iPixelFormat, int iLayerPlane, UINT nAttributes, int *piAttributes, FLOAT *pfValues);
typedef BOOL (WINAPI * PFNWGLCHOOSEPIXELFORMATEXTPROC) (HDC hdc, const int *piAttribIList, const FLOAT *pfAttribFList, UINT nMaxFormats, int *piFormats, UINT *nNumFormats);
#ifdef WGL_WGLEXT_PROTOTYPES
BOOL WINAPI wglGetPixelFormatAttribivEXT (HDC hdc, int iPixelFormat, int iLayerPlane, UINT nAttributes, int *piAttributes, int *piValues);
BOOL WINAPI wglGetPixelFormatAttribfvEXT (HDC hdc, int iPixelFormat, int iLayerPlane, UINT nAttributes, int *piAttributes, FLOAT *pfValues);
BOOL WINAPI wglChoosePixelFormatEXT (HDC hdc, const int *piAttribIList, const FLOAT *pfAttribFList, UINT nMaxFormats, int *piFormats, UINT *nNumFormats);
#endif
#endif /* WGL_EXT_pixel_format */
#ifndef WGL_EXT_pixel_format_packed_float
#define WGL_EXT_pixel_format_packed_float 1
#define WGL_TYPE_RGBA_UNSIGNED_FLOAT_EXT 0x20A8
#endif /* WGL_EXT_pixel_format_packed_float */
#ifndef WGL_EXT_swap_control
#define WGL_EXT_swap_control 1
typedef BOOL (WINAPI * PFNWGLSWAPINTERVALEXTPROC) (int interval);
typedef int (WINAPI * PFNWGLGETSWAPINTERVALEXTPROC) (void);
#ifdef WGL_WGLEXT_PROTOTYPES
BOOL WINAPI wglSwapIntervalEXT (int interval);
int WINAPI wglGetSwapIntervalEXT (void);
#endif
#endif /* WGL_EXT_swap_control */
#ifndef WGL_EXT_swap_control_tear
#define WGL_EXT_swap_control_tear 1
#endif /* WGL_EXT_swap_control_tear */
#ifndef WGL_I3D_digital_video_control
#define WGL_I3D_digital_video_control 1
#define WGL_DIGITAL_VIDEO_CURSOR_ALPHA_FRAMEBUFFER_I3D 0x2050
#define WGL_DIGITAL_VIDEO_CURSOR_ALPHA_VALUE_I3D 0x2051
#define WGL_DIGITAL_VIDEO_CURSOR_INCLUDED_I3D 0x2052
#define WGL_DIGITAL_VIDEO_GAMMA_CORRECTED_I3D 0x2053
typedef BOOL (WINAPI * PFNWGLGETDIGITALVIDEOPARAMETERSI3DPROC) (HDC hDC, int iAttribute, int *piValue);
typedef BOOL (WINAPI * PFNWGLSETDIGITALVIDEOPARAMETERSI3DPROC) (HDC hDC, int iAttribute, const int *piValue);
#ifdef WGL_WGLEXT_PROTOTYPES
BOOL WINAPI wglGetDigitalVideoParametersI3D (HDC hDC, int iAttribute, int *piValue);
BOOL WINAPI wglSetDigitalVideoParametersI3D (HDC hDC, int iAttribute, const int *piValue);
#endif
#endif /* WGL_I3D_digital_video_control */
#ifndef WGL_I3D_gamma
#define WGL_I3D_gamma 1
#define WGL_GAMMA_TABLE_SIZE_I3D 0x204E
#define WGL_GAMMA_EXCLUDE_DESKTOP_I3D 0x204F
typedef BOOL (WINAPI * PFNWGLGETGAMMATABLEPARAMETERSI3DPROC) (HDC hDC, int iAttribute, int *piValue);
typedef BOOL (WINAPI * PFNWGLSETGAMMATABLEPARAMETERSI3DPROC) (HDC hDC, int iAttribute, const int *piValue);
typedef BOOL (WINAPI * PFNWGLGETGAMMATABLEI3DPROC) (HDC hDC, int iEntries, USHORT *puRed, USHORT *puGreen, USHORT *puBlue);
typedef BOOL (WINAPI * PFNWGLSETGAMMATABLEI3DPROC) (HDC hDC, int iEntries, const USHORT *puRed, const USHORT *puGreen, const USHORT *puBlue);
#ifdef WGL_WGLEXT_PROTOTYPES
BOOL WINAPI wglGetGammaTableParametersI3D (HDC hDC, int iAttribute, int *piValue);
BOOL WINAPI wglSetGammaTableParametersI3D (HDC hDC, int iAttribute, const int *piValue);
BOOL WINAPI wglGetGammaTableI3D (HDC hDC, int iEntries, USHORT *puRed, USHORT *puGreen, USHORT *puBlue);
BOOL WINAPI wglSetGammaTableI3D (HDC hDC, int iEntries, const USHORT *puRed, const USHORT *puGreen, const USHORT *puBlue);
#endif
#endif /* WGL_I3D_gamma */
#ifndef WGL_I3D_genlock
#define WGL_I3D_genlock 1
#define WGL_GENLOCK_SOURCE_MULTIVIEW_I3D 0x2044
#define WGL_GENLOCK_SOURCE_EXTERNAL_SYNC_I3D 0x2045
#define WGL_GENLOCK_SOURCE_EXTERNAL_FIELD_I3D 0x2046
#define WGL_GENLOCK_SOURCE_EXTERNAL_TTL_I3D 0x2047
#define WGL_GENLOCK_SOURCE_DIGITAL_SYNC_I3D 0x2048
#define WGL_GENLOCK_SOURCE_DIGITAL_FIELD_I3D 0x2049
#define WGL_GENLOCK_SOURCE_EDGE_FALLING_I3D 0x204A
#define WGL_GENLOCK_SOURCE_EDGE_RISING_I3D 0x204B
#define WGL_GENLOCK_SOURCE_EDGE_BOTH_I3D 0x204C
typedef BOOL (WINAPI * PFNWGLENABLEGENLOCKI3DPROC) (HDC hDC);
typedef BOOL (WINAPI * PFNWGLDISABLEGENLOCKI3DPROC) (HDC hDC);
typedef BOOL (WINAPI * PFNWGLISENABLEDGENLOCKI3DPROC) (HDC hDC, BOOL *pFlag);
typedef BOOL (WINAPI * PFNWGLGENLOCKSOURCEI3DPROC) (HDC hDC, UINT uSource);
typedef BOOL (WINAPI * PFNWGLGETGENLOCKSOURCEI3DPROC) (HDC hDC, UINT *uSource);
typedef BOOL (WINAPI * PFNWGLGENLOCKSOURCEEDGEI3DPROC) (HDC hDC, UINT uEdge);
typedef BOOL (WINAPI * PFNWGLGETGENLOCKSOURCEEDGEI3DPROC) (HDC hDC, UINT *uEdge);
typedef BOOL (WINAPI * PFNWGLGENLOCKSAMPLERATEI3DPROC) (HDC hDC, UINT uRate);
typedef BOOL (WINAPI * PFNWGLGETGENLOCKSAMPLERATEI3DPROC) (HDC hDC, UINT *uRate);
typedef BOOL (WINAPI * PFNWGLGENLOCKSOURCEDELAYI3DPROC) (HDC hDC, UINT uDelay);
typedef BOOL (WINAPI * PFNWGLGETGENLOCKSOURCEDELAYI3DPROC) (HDC hDC, UINT *uDelay);
typedef BOOL (WINAPI * PFNWGLQUERYGENLOCKMAXSOURCEDELAYI3DPROC) (HDC hDC, UINT *uMaxLineDelay, UINT *uMaxPixelDelay);
#ifdef WGL_WGLEXT_PROTOTYPES
BOOL WINAPI wglEnableGenlockI3D (HDC hDC);
BOOL WINAPI wglDisableGenlockI3D (HDC hDC);
BOOL WINAPI wglIsEnabledGenlockI3D (HDC hDC, BOOL *pFlag);
BOOL WINAPI wglGenlockSourceI3D (HDC hDC, UINT uSource);
BOOL WINAPI wglGetGenlockSourceI3D (HDC hDC, UINT *uSource);
BOOL WINAPI wglGenlockSourceEdgeI3D (HDC hDC, UINT uEdge);
BOOL WINAPI wglGetGenlockSourceEdgeI3D (HDC hDC, UINT *uEdge);
BOOL WINAPI wglGenlockSampleRateI3D (HDC hDC, UINT uRate);
BOOL WINAPI wglGetGenlockSampleRateI3D (HDC hDC, UINT *uRate);
BOOL WINAPI wglGenlockSourceDelayI3D (HDC hDC, UINT uDelay);
BOOL WINAPI wglGetGenlockSourceDelayI3D (HDC hDC, UINT *uDelay);
BOOL WINAPI wglQueryGenlockMaxSourceDelayI3D (HDC hDC, UINT *uMaxLineDelay, UINT *uMaxPixelDelay);
#endif
#endif /* WGL_I3D_genlock */
#ifndef WGL_I3D_image_buffer
#define WGL_I3D_image_buffer 1
#define WGL_IMAGE_BUFFER_MIN_ACCESS_I3D 0x00000001
#define WGL_IMAGE_BUFFER_LOCK_I3D 0x00000002
typedef LPVOID (WINAPI * PFNWGLCREATEIMAGEBUFFERI3DPROC) (HDC hDC, DWORD dwSize, UINT uFlags);
typedef BOOL (WINAPI * PFNWGLDESTROYIMAGEBUFFERI3DPROC) (HDC hDC, LPVOID pAddress);
typedef BOOL (WINAPI * PFNWGLASSOCIATEIMAGEBUFFEREVENTSI3DPROC) (HDC hDC, const HANDLE *pEvent, const LPVOID *pAddress, const DWORD *pSize, UINT count);
typedef BOOL (WINAPI * PFNWGLRELEASEIMAGEBUFFEREVENTSI3DPROC) (HDC hDC, const LPVOID *pAddress, UINT count);
#ifdef WGL_WGLEXT_PROTOTYPES
LPVOID WINAPI wglCreateImageBufferI3D (HDC hDC, DWORD dwSize, UINT uFlags);
BOOL WINAPI wglDestroyImageBufferI3D (HDC hDC, LPVOID pAddress);
BOOL WINAPI wglAssociateImageBufferEventsI3D (HDC hDC, const HANDLE *pEvent, const LPVOID *pAddress, const DWORD *pSize, UINT count);
BOOL WINAPI wglReleaseImageBufferEventsI3D (HDC hDC, const LPVOID *pAddress, UINT count);
#endif
#endif /* WGL_I3D_image_buffer */
#ifndef WGL_I3D_swap_frame_lock
#define WGL_I3D_swap_frame_lock 1
typedef BOOL (WINAPI * PFNWGLENABLEFRAMELOCKI3DPROC) (void);
typedef BOOL (WINAPI * PFNWGLDISABLEFRAMELOCKI3DPROC) (void);
typedef BOOL (WINAPI * PFNWGLISENABLEDFRAMELOCKI3DPROC) (BOOL *pFlag);
typedef BOOL (WINAPI * PFNWGLQUERYFRAMELOCKMASTERI3DPROC) (BOOL *pFlag);
#ifdef WGL_WGLEXT_PROTOTYPES
BOOL WINAPI wglEnableFrameLockI3D (void);
BOOL WINAPI wglDisableFrameLockI3D (void);
BOOL WINAPI wglIsEnabledFrameLockI3D (BOOL *pFlag);
BOOL WINAPI wglQueryFrameLockMasterI3D (BOOL *pFlag);
#endif
#endif /* WGL_I3D_swap_frame_lock */
#ifndef WGL_I3D_swap_frame_usage
#define WGL_I3D_swap_frame_usage 1
typedef BOOL (WINAPI * PFNWGLGETFRAMEUSAGEI3DPROC) (float *pUsage);
typedef BOOL (WINAPI * PFNWGLBEGINFRAMETRACKINGI3DPROC) (void);
typedef BOOL (WINAPI * PFNWGLENDFRAMETRACKINGI3DPROC) (void);
typedef BOOL (WINAPI * PFNWGLQUERYFRAMETRACKINGI3DPROC) (DWORD *pFrameCount, DWORD *pMissedFrames, float *pLastMissedUsage);
#ifdef WGL_WGLEXT_PROTOTYPES
BOOL WINAPI wglGetFrameUsageI3D (float *pUsage);
BOOL WINAPI wglBeginFrameTrackingI3D (void);
BOOL WINAPI wglEndFrameTrackingI3D (void);
BOOL WINAPI wglQueryFrameTrackingI3D (DWORD *pFrameCount, DWORD *pMissedFrames, float *pLastMissedUsage);
#endif
#endif /* WGL_I3D_swap_frame_usage */
#ifndef WGL_NV_DX_interop
#define WGL_NV_DX_interop 1
#define WGL_ACCESS_READ_ONLY_NV 0x00000000
#define WGL_ACCESS_READ_WRITE_NV 0x00000001
#define WGL_ACCESS_WRITE_DISCARD_NV 0x00000002
typedef BOOL (WINAPI * PFNWGLDXSETRESOURCESHAREHANDLENVPROC) (void *dxObject, HANDLE shareHandle);
typedef HANDLE (WINAPI * PFNWGLDXOPENDEVICENVPROC) (void *dxDevice);
typedef BOOL (WINAPI * PFNWGLDXCLOSEDEVICENVPROC) (HANDLE hDevice);
typedef HANDLE (WINAPI * PFNWGLDXREGISTEROBJECTNVPROC) (HANDLE hDevice, void *dxObject, GLuint name, GLenum type, GLenum access);
typedef BOOL (WINAPI * PFNWGLDXUNREGISTEROBJECTNVPROC) (HANDLE hDevice, HANDLE hObject);
typedef BOOL (WINAPI * PFNWGLDXOBJECTACCESSNVPROC) (HANDLE hObject, GLenum access);
typedef BOOL (WINAPI * PFNWGLDXLOCKOBJECTSNVPROC) (HANDLE hDevice, GLint count, HANDLE *hObjects);
typedef BOOL (WINAPI * PFNWGLDXUNLOCKOBJECTSNVPROC) (HANDLE hDevice, GLint count, HANDLE *hObjects);
#ifdef WGL_WGLEXT_PROTOTYPES
BOOL WINAPI wglDXSetResourceShareHandleNV (void *dxObject, HANDLE shareHandle);
HANDLE WINAPI wglDXOpenDeviceNV (void *dxDevice);
BOOL WINAPI wglDXCloseDeviceNV (HANDLE hDevice);
HANDLE WINAPI wglDXRegisterObjectNV (HANDLE hDevice, void *dxObject, GLuint name, GLenum type, GLenum access);
BOOL WINAPI wglDXUnregisterObjectNV (HANDLE hDevice, HANDLE hObject);
BOOL WINAPI wglDXObjectAccessNV (HANDLE hObject, GLenum access);
BOOL WINAPI wglDXLockObjectsNV (HANDLE hDevice, GLint count, HANDLE *hObjects);
BOOL WINAPI wglDXUnlockObjectsNV (HANDLE hDevice, GLint count, HANDLE *hObjects);
#endif
#endif /* WGL_NV_DX_interop */
#ifndef WGL_NV_DX_interop2
#define WGL_NV_DX_interop2 1
#endif /* WGL_NV_DX_interop2 */
#ifndef WGL_NV_copy_image
#define WGL_NV_copy_image 1
typedef BOOL (WINAPI * PFNWGLCOPYIMAGESUBDATANVPROC) (HGLRC hSrcRC, GLuint srcName, GLenum srcTarget, GLint srcLevel, GLint srcX, GLint srcY, GLint srcZ, HGLRC hDstRC, GLuint dstName, GLenum dstTarget, GLint dstLevel, GLint dstX, GLint dstY, GLint dstZ, GLsizei width, GLsizei height, GLsizei depth);
#ifdef WGL_WGLEXT_PROTOTYPES
BOOL WINAPI wglCopyImageSubDataNV (HGLRC hSrcRC, GLuint srcName, GLenum srcTarget, GLint srcLevel, GLint srcX, GLint srcY, GLint srcZ, HGLRC hDstRC, GLuint dstName, GLenum dstTarget, GLint dstLevel, GLint dstX, GLint dstY, GLint dstZ, GLsizei width, GLsizei height, GLsizei depth);
#endif
#endif /* WGL_NV_copy_image */
#ifndef WGL_NV_delay_before_swap
#define WGL_NV_delay_before_swap 1
typedef BOOL (WINAPI * PFNWGLDELAYBEFORESWAPNVPROC) (HDC hDC, GLfloat seconds);
#ifdef WGL_WGLEXT_PROTOTYPES
BOOL WINAPI wglDelayBeforeSwapNV (HDC hDC, GLfloat seconds);
#endif
#endif /* WGL_NV_delay_before_swap */
#ifndef WGL_NV_float_buffer
#define WGL_NV_float_buffer 1
#define WGL_FLOAT_COMPONENTS_NV 0x20B0
#define WGL_BIND_TO_TEXTURE_RECTANGLE_FLOAT_R_NV 0x20B1
#define WGL_BIND_TO_TEXTURE_RECTANGLE_FLOAT_RG_NV 0x20B2
#define WGL_BIND_TO_TEXTURE_RECTANGLE_FLOAT_RGB_NV 0x20B3
#define WGL_BIND_TO_TEXTURE_RECTANGLE_FLOAT_RGBA_NV 0x20B4
#define WGL_TEXTURE_FLOAT_R_NV 0x20B5
#define WGL_TEXTURE_FLOAT_RG_NV 0x20B6
#define WGL_TEXTURE_FLOAT_RGB_NV 0x20B7
#define WGL_TEXTURE_FLOAT_RGBA_NV 0x20B8
#endif /* WGL_NV_float_buffer */
#ifndef WGL_NV_gpu_affinity
#define WGL_NV_gpu_affinity 1
DECLARE_HANDLE(HGPUNV);
struct _GPU_DEVICE {
DWORD cb;
CHAR DeviceName[32];
CHAR DeviceString[128];
DWORD Flags;
RECT rcVirtualScreen;
};
typedef struct _GPU_DEVICE *PGPU_DEVICE;
#define ERROR_INCOMPATIBLE_AFFINITY_MASKS_NV 0x20D0
#define ERROR_MISSING_AFFINITY_MASK_NV 0x20D1
typedef BOOL (WINAPI * PFNWGLENUMGPUSNVPROC) (UINT iGpuIndex, HGPUNV *phGpu);
typedef BOOL (WINAPI * PFNWGLENUMGPUDEVICESNVPROC) (HGPUNV hGpu, UINT iDeviceIndex, PGPU_DEVICE lpGpuDevice);
typedef HDC (WINAPI * PFNWGLCREATEAFFINITYDCNVPROC) (const HGPUNV *phGpuList);
typedef BOOL (WINAPI * PFNWGLENUMGPUSFROMAFFINITYDCNVPROC) (HDC hAffinityDC, UINT iGpuIndex, HGPUNV *hGpu);
typedef BOOL (WINAPI * PFNWGLDELETEDCNVPROC) (HDC hdc);
#ifdef WGL_WGLEXT_PROTOTYPES
BOOL WINAPI wglEnumGpusNV (UINT iGpuIndex, HGPUNV *phGpu);
BOOL WINAPI wglEnumGpuDevicesNV (HGPUNV hGpu, UINT iDeviceIndex, PGPU_DEVICE lpGpuDevice);
HDC WINAPI wglCreateAffinityDCNV (const HGPUNV *phGpuList);
BOOL WINAPI wglEnumGpusFromAffinityDCNV (HDC hAffinityDC, UINT iGpuIndex, HGPUNV *hGpu);
BOOL WINAPI wglDeleteDCNV (HDC hdc);
#endif
#endif /* WGL_NV_gpu_affinity */
#ifndef WGL_NV_multisample_coverage
#define WGL_NV_multisample_coverage 1
#define WGL_COVERAGE_SAMPLES_NV 0x2042
#define WGL_COLOR_SAMPLES_NV 0x20B9
#endif /* WGL_NV_multisample_coverage */
#ifndef WGL_NV_present_video
#define WGL_NV_present_video 1
DECLARE_HANDLE(HVIDEOOUTPUTDEVICENV);
#define WGL_NUM_VIDEO_SLOTS_NV 0x20F0
typedef int (WINAPI * PFNWGLENUMERATEVIDEODEVICESNVPROC) (HDC hDC, HVIDEOOUTPUTDEVICENV *phDeviceList);
typedef BOOL (WINAPI * PFNWGLBINDVIDEODEVICENVPROC) (HDC hDC, unsigned int uVideoSlot, HVIDEOOUTPUTDEVICENV hVideoDevice, const int *piAttribList);
typedef BOOL (WINAPI * PFNWGLQUERYCURRENTCONTEXTNVPROC) (int iAttribute, int *piValue);
#ifdef WGL_WGLEXT_PROTOTYPES
int WINAPI wglEnumerateVideoDevicesNV (HDC hDC, HVIDEOOUTPUTDEVICENV *phDeviceList);
BOOL WINAPI wglBindVideoDeviceNV (HDC hDC, unsigned int uVideoSlot, HVIDEOOUTPUTDEVICENV hVideoDevice, const int *piAttribList);
BOOL WINAPI wglQueryCurrentContextNV (int iAttribute, int *piValue);
#endif
#endif /* WGL_NV_present_video */
#ifndef WGL_NV_render_depth_texture
#define WGL_NV_render_depth_texture 1
#define WGL_BIND_TO_TEXTURE_DEPTH_NV 0x20A3
#define WGL_BIND_TO_TEXTURE_RECTANGLE_DEPTH_NV 0x20A4
#define WGL_DEPTH_TEXTURE_FORMAT_NV 0x20A5
#define WGL_TEXTURE_DEPTH_COMPONENT_NV 0x20A6
#define WGL_DEPTH_COMPONENT_NV 0x20A7
#endif /* WGL_NV_render_depth_texture */
#ifndef WGL_NV_render_texture_rectangle
#define WGL_NV_render_texture_rectangle 1
#define WGL_BIND_TO_TEXTURE_RECTANGLE_RGB_NV 0x20A0
#define WGL_BIND_TO_TEXTURE_RECTANGLE_RGBA_NV 0x20A1
#define WGL_TEXTURE_RECTANGLE_NV 0x20A2
#endif /* WGL_NV_render_texture_rectangle */
#ifndef WGL_NV_swap_group
#define WGL_NV_swap_group 1
typedef BOOL (WINAPI * PFNWGLJOINSWAPGROUPNVPROC) (HDC hDC, GLuint group);
typedef BOOL (WINAPI * PFNWGLBINDSWAPBARRIERNVPROC) (GLuint group, GLuint barrier);
typedef BOOL (WINAPI * PFNWGLQUERYSWAPGROUPNVPROC) (HDC hDC, GLuint *group, GLuint *barrier);
typedef BOOL (WINAPI * PFNWGLQUERYMAXSWAPGROUPSNVPROC) (HDC hDC, GLuint *maxGroups, GLuint *maxBarriers);
typedef BOOL (WINAPI * PFNWGLQUERYFRAMECOUNTNVPROC) (HDC hDC, GLuint *count);
typedef BOOL (WINAPI * PFNWGLRESETFRAMECOUNTNVPROC) (HDC hDC);
#ifdef WGL_WGLEXT_PROTOTYPES
BOOL WINAPI wglJoinSwapGroupNV (HDC hDC, GLuint group);
BOOL WINAPI wglBindSwapBarrierNV (GLuint group, GLuint barrier);
BOOL WINAPI wglQuerySwapGroupNV (HDC hDC, GLuint *group, GLuint *barrier);
BOOL WINAPI wglQueryMaxSwapGroupsNV (HDC hDC, GLuint *maxGroups, GLuint *maxBarriers);
BOOL WINAPI wglQueryFrameCountNV (HDC hDC, GLuint *count);
BOOL WINAPI wglResetFrameCountNV (HDC hDC);
#endif
#endif /* WGL_NV_swap_group */
#ifndef WGL_NV_vertex_array_range
#define WGL_NV_vertex_array_range 1
typedef void *(WINAPI * PFNWGLALLOCATEMEMORYNVPROC) (GLsizei size, GLfloat readfreq, GLfloat writefreq, GLfloat priority);
typedef void (WINAPI * PFNWGLFREEMEMORYNVPROC) (void *pointer);
#ifdef WGL_WGLEXT_PROTOTYPES
void *WINAPI wglAllocateMemoryNV (GLsizei size, GLfloat readfreq, GLfloat writefreq, GLfloat priority);
void WINAPI wglFreeMemoryNV (void *pointer);
#endif
#endif /* WGL_NV_vertex_array_range */
#ifndef WGL_NV_video_capture
#define WGL_NV_video_capture 1
DECLARE_HANDLE(HVIDEOINPUTDEVICENV);
#define WGL_UNIQUE_ID_NV 0x20CE
#define WGL_NUM_VIDEO_CAPTURE_SLOTS_NV 0x20CF
typedef BOOL (WINAPI * PFNWGLBINDVIDEOCAPTUREDEVICENVPROC) (UINT uVideoSlot, HVIDEOINPUTDEVICENV hDevice);
typedef UINT (WINAPI * PFNWGLENUMERATEVIDEOCAPTUREDEVICESNVPROC) (HDC hDc, HVIDEOINPUTDEVICENV *phDeviceList);
typedef BOOL (WINAPI * PFNWGLLOCKVIDEOCAPTUREDEVICENVPROC) (HDC hDc, HVIDEOINPUTDEVICENV hDevice);
typedef BOOL (WINAPI * PFNWGLQUERYVIDEOCAPTUREDEVICENVPROC) (HDC hDc, HVIDEOINPUTDEVICENV hDevice, int iAttribute, int *piValue);
typedef BOOL (WINAPI * PFNWGLRELEASEVIDEOCAPTUREDEVICENVPROC) (HDC hDc, HVIDEOINPUTDEVICENV hDevice);
#ifdef WGL_WGLEXT_PROTOTYPES
BOOL WINAPI wglBindVideoCaptureDeviceNV (UINT uVideoSlot, HVIDEOINPUTDEVICENV hDevice);
UINT WINAPI wglEnumerateVideoCaptureDevicesNV (HDC hDc, HVIDEOINPUTDEVICENV *phDeviceList);
BOOL WINAPI wglLockVideoCaptureDeviceNV (HDC hDc, HVIDEOINPUTDEVICENV hDevice);
BOOL WINAPI wglQueryVideoCaptureDeviceNV (HDC hDc, HVIDEOINPUTDEVICENV hDevice, int iAttribute, int *piValue);
BOOL WINAPI wglReleaseVideoCaptureDeviceNV (HDC hDc, HVIDEOINPUTDEVICENV hDevice);
#endif
#endif /* WGL_NV_video_capture */
#ifndef WGL_NV_video_output
#define WGL_NV_video_output 1
DECLARE_HANDLE(HPVIDEODEV);
#define WGL_BIND_TO_VIDEO_RGB_NV 0x20C0
#define WGL_BIND_TO_VIDEO_RGBA_NV 0x20C1
#define WGL_BIND_TO_VIDEO_RGB_AND_DEPTH_NV 0x20C2
#define WGL_VIDEO_OUT_COLOR_NV 0x20C3
#define WGL_VIDEO_OUT_ALPHA_NV 0x20C4
#define WGL_VIDEO_OUT_DEPTH_NV 0x20C5
#define WGL_VIDEO_OUT_COLOR_AND_ALPHA_NV 0x20C6
#define WGL_VIDEO_OUT_COLOR_AND_DEPTH_NV 0x20C7
#define WGL_VIDEO_OUT_FRAME 0x20C8
#define WGL_VIDEO_OUT_FIELD_1 0x20C9
#define WGL_VIDEO_OUT_FIELD_2 0x20CA
#define WGL_VIDEO_OUT_STACKED_FIELDS_1_2 0x20CB
#define WGL_VIDEO_OUT_STACKED_FIELDS_2_1 0x20CC
typedef BOOL (WINAPI * PFNWGLGETVIDEODEVICENVPROC) (HDC hDC, int numDevices, HPVIDEODEV *hVideoDevice);
typedef BOOL (WINAPI * PFNWGLRELEASEVIDEODEVICENVPROC) (HPVIDEODEV hVideoDevice);
typedef BOOL (WINAPI * PFNWGLBINDVIDEOIMAGENVPROC) (HPVIDEODEV hVideoDevice, HPBUFFERARB hPbuffer, int iVideoBuffer);
typedef BOOL (WINAPI * PFNWGLRELEASEVIDEOIMAGENVPROC) (HPBUFFERARB hPbuffer, int iVideoBuffer);
typedef BOOL (WINAPI * PFNWGLSENDPBUFFERTOVIDEONVPROC) (HPBUFFERARB hPbuffer, int iBufferType, unsigned long *pulCounterPbuffer, BOOL bBlock);
typedef BOOL (WINAPI * PFNWGLGETVIDEOINFONVPROC) (HPVIDEODEV hpVideoDevice, unsigned long *pulCounterOutputPbuffer, unsigned long *pulCounterOutputVideo);
#ifdef WGL_WGLEXT_PROTOTYPES
BOOL WINAPI wglGetVideoDeviceNV (HDC hDC, int numDevices, HPVIDEODEV *hVideoDevice);
BOOL WINAPI wglReleaseVideoDeviceNV (HPVIDEODEV hVideoDevice);
BOOL WINAPI wglBindVideoImageNV (HPVIDEODEV hVideoDevice, HPBUFFERARB hPbuffer, int iVideoBuffer);
BOOL WINAPI wglReleaseVideoImageNV (HPBUFFERARB hPbuffer, int iVideoBuffer);
BOOL WINAPI wglSendPbufferToVideoNV (HPBUFFERARB hPbuffer, int iBufferType, unsigned long *pulCounterPbuffer, BOOL bBlock);
BOOL WINAPI wglGetVideoInfoNV (HPVIDEODEV hpVideoDevice, unsigned long *pulCounterOutputPbuffer, unsigned long *pulCounterOutputVideo);
#endif
#endif /* WGL_NV_video_output */
#ifndef WGL_OML_sync_control
#define WGL_OML_sync_control 1
typedef BOOL (WINAPI * PFNWGLGETSYNCVALUESOMLPROC) (HDC hdc, INT64 *ust, INT64 *msc, INT64 *sbc);
typedef BOOL (WINAPI * PFNWGLGETMSCRATEOMLPROC) (HDC hdc, INT32 *numerator, INT32 *denominator);
typedef INT64 (WINAPI * PFNWGLSWAPBUFFERSMSCOMLPROC) (HDC hdc, INT64 target_msc, INT64 divisor, INT64 remainder);
typedef INT64 (WINAPI * PFNWGLSWAPLAYERBUFFERSMSCOMLPROC) (HDC hdc, int fuPlanes, INT64 target_msc, INT64 divisor, INT64 remainder);
typedef BOOL (WINAPI * PFNWGLWAITFORMSCOMLPROC) (HDC hdc, INT64 target_msc, INT64 divisor, INT64 remainder, INT64 *ust, INT64 *msc, INT64 *sbc);
typedef BOOL (WINAPI * PFNWGLWAITFORSBCOMLPROC) (HDC hdc, INT64 target_sbc, INT64 *ust, INT64 *msc, INT64 *sbc);
#ifdef WGL_WGLEXT_PROTOTYPES
BOOL WINAPI wglGetSyncValuesOML (HDC hdc, INT64 *ust, INT64 *msc, INT64 *sbc);
BOOL WINAPI wglGetMscRateOML (HDC hdc, INT32 *numerator, INT32 *denominator);
INT64 WINAPI wglSwapBuffersMscOML (HDC hdc, INT64 target_msc, INT64 divisor, INT64 remainder);
INT64 WINAPI wglSwapLayerBuffersMscOML (HDC hdc, int fuPlanes, INT64 target_msc, INT64 divisor, INT64 remainder);
BOOL WINAPI wglWaitForMscOML (HDC hdc, INT64 target_msc, INT64 divisor, INT64 remainder, INT64 *ust, INT64 *msc, INT64 *sbc);
BOOL WINAPI wglWaitForSbcOML (HDC hdc, INT64 target_sbc, INT64 *ust, INT64 *msc, INT64 *sbc);
#endif
#endif /* WGL_OML_sync_control */
#ifdef __cplusplus
}
#endif
#endif

267
extern/glfw-3.0.4/deps/getopt.c vendored Normal file
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@@ -0,0 +1,267 @@
/*****************************************************************************
* getopt.c - competent and free getopt library.
* $Header: /cvsroot/freegetopt/freegetopt/getopt.c,v 1.2 2003/10/26 03:10:20 vindaci Exp $
*
* Copyright (c)2002-2003 Mark K. Kim
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* * Neither the original author of this software nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
* THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
*/
#ifndef _CRT_SECURE_NO_WARNINGS
#define _CRT_SECURE_NO_WARNINGS
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "getopt.h"
/* 2013-01-06 Camilla Berglund <elmindreda@elmindreda.org>
*
* Only define _CRT_SECURE_NO_WARNINGS if not already defined.
*/
/* 2012-08-12 Lambert Clara <lambert.clara@yahoo.fr>
*
* Constify third argument of getopt.
*/
/* 2011-07-27 Camilla Berglund <elmindreda@elmindreda.org>
*
* Added _CRT_SECURE_NO_WARNINGS macro.
*/
/* 2009-10-12 Camilla Berglund <elmindreda@elmindreda.org>
*
* Removed unused global static variable 'ID'.
*/
char* optarg = NULL;
int optind = 0;
int opterr = 1;
int optopt = '?';
static char** prev_argv = NULL; /* Keep a copy of argv and argc to */
static int prev_argc = 0; /* tell if getopt params change */
static int argv_index = 0; /* Option we're checking */
static int argv_index2 = 0; /* Option argument we're checking */
static int opt_offset = 0; /* Index into compounded "-option" */
static int dashdash = 0; /* True if "--" option reached */
static int nonopt = 0; /* How many nonopts we've found */
static void increment_index()
{
/* Move onto the next option */
if(argv_index < argv_index2)
{
while(prev_argv[++argv_index] && prev_argv[argv_index][0] != '-'
&& argv_index < argv_index2+1);
}
else argv_index++;
opt_offset = 1;
}
/*
* Permutes argv[] so that the argument currently being processed is moved
* to the end.
*/
static int permute_argv_once()
{
/* Movability check */
if(argv_index + nonopt >= prev_argc) return 1;
/* Move the current option to the end, bring the others to front */
else
{
char* tmp = prev_argv[argv_index];
/* Move the data */
memmove(&prev_argv[argv_index], &prev_argv[argv_index+1],
sizeof(char**) * (prev_argc - argv_index - 1));
prev_argv[prev_argc - 1] = tmp;
nonopt++;
return 0;
}
}
int getopt(int argc, char** argv, const char* optstr)
{
int c = 0;
/* If we have new argv, reinitialize */
if(prev_argv != argv || prev_argc != argc)
{
/* Initialize variables */
prev_argv = argv;
prev_argc = argc;
argv_index = 1;
argv_index2 = 1;
opt_offset = 1;
dashdash = 0;
nonopt = 0;
}
/* Jump point in case we want to ignore the current argv_index */
getopt_top:
/* Misc. initializations */
optarg = NULL;
/* Dash-dash check */
if(argv[argv_index] && !strcmp(argv[argv_index], "--"))
{
dashdash = 1;
increment_index();
}
/* If we're at the end of argv, that's it. */
if(argv[argv_index] == NULL)
{
c = -1;
}
/* Are we looking at a string? Single dash is also a string */
else if(dashdash || argv[argv_index][0] != '-' || !strcmp(argv[argv_index], "-"))
{
/* If we want a string... */
if(optstr[0] == '-')
{
c = 1;
optarg = argv[argv_index];
increment_index();
}
/* If we really don't want it (we're in POSIX mode), we're done */
else if(optstr[0] == '+' || getenv("POSIXLY_CORRECT"))
{
c = -1;
/* Everything else is a non-opt argument */
nonopt = argc - argv_index;
}
/* If we mildly don't want it, then move it back */
else
{
if(!permute_argv_once()) goto getopt_top;
else c = -1;
}
}
/* Otherwise we're looking at an option */
else
{
char* opt_ptr = NULL;
/* Grab the option */
c = argv[argv_index][opt_offset++];
/* Is the option in the optstr? */
if(optstr[0] == '-') opt_ptr = strchr(optstr+1, c);
else opt_ptr = strchr(optstr, c);
/* Invalid argument */
if(!opt_ptr)
{
if(opterr)
{
fprintf(stderr, "%s: invalid option -- %c\n", argv[0], c);
}
optopt = c;
c = '?';
/* Move onto the next option */
increment_index();
}
/* Option takes argument */
else if(opt_ptr[1] == ':')
{
/* ie, -oARGUMENT, -xxxoARGUMENT, etc. */
if(argv[argv_index][opt_offset] != '\0')
{
optarg = &argv[argv_index][opt_offset];
increment_index();
}
/* ie, -o ARGUMENT (only if it's a required argument) */
else if(opt_ptr[2] != ':')
{
/* One of those "you're not expected to understand this" moment */
if(argv_index2 < argv_index) argv_index2 = argv_index;
while(argv[++argv_index2] && argv[argv_index2][0] == '-');
optarg = argv[argv_index2];
/* Don't cross into the non-option argument list */
if(argv_index2 + nonopt >= prev_argc) optarg = NULL;
/* Move onto the next option */
increment_index();
}
else
{
/* Move onto the next option */
increment_index();
}
/* In case we got no argument for an option with required argument */
if(optarg == NULL && opt_ptr[2] != ':')
{
optopt = c;
c = '?';
if(opterr)
{
fprintf(stderr,"%s: option requires an argument -- %c\n",
argv[0], optopt);
}
}
}
/* Option does not take argument */
else
{
/* Next argv_index */
if(argv[argv_index][opt_offset] == '\0')
{
increment_index();
}
}
}
/* Calculate optind */
if(c == -1)
{
optind = argc - nonopt;
}
else
{
optind = argv_index;
}
return c;
}
/* vim:ts=3
*/

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extern/glfw-3.0.4/deps/getopt.h vendored Normal file
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/*****************************************************************************
* getopt.h - competent and free getopt library.
* $Header: /cvsroot/freegetopt/freegetopt/getopt.h,v 1.2 2003/10/26 03:10:20 vindaci Exp $
*
* Copyright (c)2002-2003 Mark K. Kim
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* * Neither the original author of this software nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
* THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
*/
#ifndef GETOPT_H_
#define GETOPT_H_
#ifdef __cplusplus
extern "C" {
#endif
extern char* optarg;
extern int optind;
extern int opterr;
extern int optopt;
int getopt(int argc, char** argv, const char* optstr);
#ifdef __cplusplus
}
#endif
#endif /* GETOPT_H_ */
/* vim:ts=3
*/

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/* -*- mode: c; tab-width: 2; indent-tabs-mode: nil; -*-
Copyright (c) 2012 Marcus Geelnard
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source
distribution.
*/
/* 2013-01-06 Camilla Berglund <elmindreda@elmindreda.org>
*
* Added casts from time_t to DWORD to avoid warnings on VC++.
*/
#include "tinycthread.h"
#include <stdlib.h>
/* Platform specific includes */
#if defined(_TTHREAD_POSIX_)
#include <signal.h>
#include <sched.h>
#include <unistd.h>
#include <sys/time.h>
#include <errno.h>
#elif defined(_TTHREAD_WIN32_)
#include <process.h>
#include <sys/timeb.h>
#endif
/* Standard, good-to-have defines */
#ifndef NULL
#define NULL (void*)0
#endif
#ifndef TRUE
#define TRUE 1
#endif
#ifndef FALSE
#define FALSE 0
#endif
int mtx_init(mtx_t *mtx, int type)
{
#if defined(_TTHREAD_WIN32_)
mtx->mAlreadyLocked = FALSE;
mtx->mRecursive = type & mtx_recursive;
InitializeCriticalSection(&mtx->mHandle);
return thrd_success;
#else
int ret;
pthread_mutexattr_t attr;
pthread_mutexattr_init(&attr);
if (type & mtx_recursive)
{
pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
}
ret = pthread_mutex_init(mtx, &attr);
pthread_mutexattr_destroy(&attr);
return ret == 0 ? thrd_success : thrd_error;
#endif
}
void mtx_destroy(mtx_t *mtx)
{
#if defined(_TTHREAD_WIN32_)
DeleteCriticalSection(&mtx->mHandle);
#else
pthread_mutex_destroy(mtx);
#endif
}
int mtx_lock(mtx_t *mtx)
{
#if defined(_TTHREAD_WIN32_)
EnterCriticalSection(&mtx->mHandle);
if (!mtx->mRecursive)
{
while(mtx->mAlreadyLocked) Sleep(1000); /* Simulate deadlock... */
mtx->mAlreadyLocked = TRUE;
}
return thrd_success;
#else
return pthread_mutex_lock(mtx) == 0 ? thrd_success : thrd_error;
#endif
}
int mtx_timedlock(mtx_t *mtx, const struct timespec *ts)
{
/* FIXME! */
(void)mtx;
(void)ts;
return thrd_error;
}
int mtx_trylock(mtx_t *mtx)
{
#if defined(_TTHREAD_WIN32_)
int ret = TryEnterCriticalSection(&mtx->mHandle) ? thrd_success : thrd_busy;
if ((!mtx->mRecursive) && (ret == thrd_success) && mtx->mAlreadyLocked)
{
LeaveCriticalSection(&mtx->mHandle);
ret = thrd_busy;
}
return ret;
#else
return (pthread_mutex_trylock(mtx) == 0) ? thrd_success : thrd_busy;
#endif
}
int mtx_unlock(mtx_t *mtx)
{
#if defined(_TTHREAD_WIN32_)
mtx->mAlreadyLocked = FALSE;
LeaveCriticalSection(&mtx->mHandle);
return thrd_success;
#else
return pthread_mutex_unlock(mtx) == 0 ? thrd_success : thrd_error;;
#endif
}
#if defined(_TTHREAD_WIN32_)
#define _CONDITION_EVENT_ONE 0
#define _CONDITION_EVENT_ALL 1
#endif
int cnd_init(cnd_t *cond)
{
#if defined(_TTHREAD_WIN32_)
cond->mWaitersCount = 0;
/* Init critical section */
InitializeCriticalSection(&cond->mWaitersCountLock);
/* Init events */
cond->mEvents[_CONDITION_EVENT_ONE] = CreateEvent(NULL, FALSE, FALSE, NULL);
if (cond->mEvents[_CONDITION_EVENT_ONE] == NULL)
{
cond->mEvents[_CONDITION_EVENT_ALL] = NULL;
return thrd_error;
}
cond->mEvents[_CONDITION_EVENT_ALL] = CreateEvent(NULL, TRUE, FALSE, NULL);
if (cond->mEvents[_CONDITION_EVENT_ALL] == NULL)
{
CloseHandle(cond->mEvents[_CONDITION_EVENT_ONE]);
cond->mEvents[_CONDITION_EVENT_ONE] = NULL;
return thrd_error;
}
return thrd_success;
#else
return pthread_cond_init(cond, NULL) == 0 ? thrd_success : thrd_error;
#endif
}
void cnd_destroy(cnd_t *cond)
{
#if defined(_TTHREAD_WIN32_)
if (cond->mEvents[_CONDITION_EVENT_ONE] != NULL)
{
CloseHandle(cond->mEvents[_CONDITION_EVENT_ONE]);
}
if (cond->mEvents[_CONDITION_EVENT_ALL] != NULL)
{
CloseHandle(cond->mEvents[_CONDITION_EVENT_ALL]);
}
DeleteCriticalSection(&cond->mWaitersCountLock);
#else
pthread_cond_destroy(cond);
#endif
}
int cnd_signal(cnd_t *cond)
{
#if defined(_TTHREAD_WIN32_)
int haveWaiters;
/* Are there any waiters? */
EnterCriticalSection(&cond->mWaitersCountLock);
haveWaiters = (cond->mWaitersCount > 0);
LeaveCriticalSection(&cond->mWaitersCountLock);
/* If we have any waiting threads, send them a signal */
if(haveWaiters)
{
if (SetEvent(cond->mEvents[_CONDITION_EVENT_ONE]) == 0)
{
return thrd_error;
}
}
return thrd_success;
#else
return pthread_cond_signal(cond) == 0 ? thrd_success : thrd_error;
#endif
}
int cnd_broadcast(cnd_t *cond)
{
#if defined(_TTHREAD_WIN32_)
int haveWaiters;
/* Are there any waiters? */
EnterCriticalSection(&cond->mWaitersCountLock);
haveWaiters = (cond->mWaitersCount > 0);
LeaveCriticalSection(&cond->mWaitersCountLock);
/* If we have any waiting threads, send them a signal */
if(haveWaiters)
{
if (SetEvent(cond->mEvents[_CONDITION_EVENT_ALL]) == 0)
{
return thrd_error;
}
}
return thrd_success;
#else
return pthread_cond_signal(cond) == 0 ? thrd_success : thrd_error;
#endif
}
#if defined(_TTHREAD_WIN32_)
static int _cnd_timedwait_win32(cnd_t *cond, mtx_t *mtx, DWORD timeout)
{
int result, lastWaiter;
/* Increment number of waiters */
EnterCriticalSection(&cond->mWaitersCountLock);
++ cond->mWaitersCount;
LeaveCriticalSection(&cond->mWaitersCountLock);
/* Release the mutex while waiting for the condition (will decrease
the number of waiters when done)... */
mtx_unlock(mtx);
/* Wait for either event to become signaled due to cnd_signal() or
cnd_broadcast() being called */
result = WaitForMultipleObjects(2, cond->mEvents, FALSE, timeout);
if (result == WAIT_TIMEOUT)
{
return thrd_timeout;
}
else if (result == (int)WAIT_FAILED)
{
return thrd_error;
}
/* Check if we are the last waiter */
EnterCriticalSection(&cond->mWaitersCountLock);
-- cond->mWaitersCount;
lastWaiter = (result == (WAIT_OBJECT_0 + _CONDITION_EVENT_ALL)) &&
(cond->mWaitersCount == 0);
LeaveCriticalSection(&cond->mWaitersCountLock);
/* If we are the last waiter to be notified to stop waiting, reset the event */
if (lastWaiter)
{
if (ResetEvent(cond->mEvents[_CONDITION_EVENT_ALL]) == 0)
{
return thrd_error;
}
}
/* Re-acquire the mutex */
mtx_lock(mtx);
return thrd_success;
}
#endif
int cnd_wait(cnd_t *cond, mtx_t *mtx)
{
#if defined(_TTHREAD_WIN32_)
return _cnd_timedwait_win32(cond, mtx, INFINITE);
#else
return pthread_cond_wait(cond, mtx) == 0 ? thrd_success : thrd_error;
#endif
}
int cnd_timedwait(cnd_t *cond, mtx_t *mtx, const struct timespec *ts)
{
#if defined(_TTHREAD_WIN32_)
struct timespec now;
if (clock_gettime(TIME_UTC, &now) == 0)
{
DWORD delta = (DWORD) ((ts->tv_sec - now.tv_sec) * 1000 +
(ts->tv_nsec - now.tv_nsec + 500000) / 1000000);
return _cnd_timedwait_win32(cond, mtx, delta);
}
else
return thrd_error;
#else
int ret;
ret = pthread_cond_timedwait(cond, mtx, ts);
if (ret == ETIMEDOUT)
{
return thrd_timeout;
}
return ret == 0 ? thrd_success : thrd_error;
#endif
}
/** Information to pass to the new thread (what to run). */
typedef struct {
thrd_start_t mFunction; /**< Pointer to the function to be executed. */
void * mArg; /**< Function argument for the thread function. */
} _thread_start_info;
/* Thread wrapper function. */
#if defined(_TTHREAD_WIN32_)
static unsigned WINAPI _thrd_wrapper_function(void * aArg)
#elif defined(_TTHREAD_POSIX_)
static void * _thrd_wrapper_function(void * aArg)
#endif
{
thrd_start_t fun;
void *arg;
int res;
#if defined(_TTHREAD_POSIX_)
void *pres;
#endif
/* Get thread startup information */
_thread_start_info *ti = (_thread_start_info *) aArg;
fun = ti->mFunction;
arg = ti->mArg;
/* The thread is responsible for freeing the startup information */
free((void *)ti);
/* Call the actual client thread function */
res = fun(arg);
#if defined(_TTHREAD_WIN32_)
return res;
#else
pres = malloc(sizeof(int));
if (pres != NULL)
{
*(int*)pres = res;
}
return pres;
#endif
}
int thrd_create(thrd_t *thr, thrd_start_t func, void *arg)
{
/* Fill out the thread startup information (passed to the thread wrapper,
which will eventually free it) */
_thread_start_info* ti = (_thread_start_info*)malloc(sizeof(_thread_start_info));
if (ti == NULL)
{
return thrd_nomem;
}
ti->mFunction = func;
ti->mArg = arg;
/* Create the thread */
#if defined(_TTHREAD_WIN32_)
*thr = (HANDLE)_beginthreadex(NULL, 0, _thrd_wrapper_function, (void *)ti, 0, NULL);
#elif defined(_TTHREAD_POSIX_)
if(pthread_create(thr, NULL, _thrd_wrapper_function, (void *)ti) != 0)
{
*thr = 0;
}
#endif
/* Did we fail to create the thread? */
if(!*thr)
{
free(ti);
return thrd_error;
}
return thrd_success;
}
thrd_t thrd_current(void)
{
#if defined(_TTHREAD_WIN32_)
return GetCurrentThread();
#else
return pthread_self();
#endif
}
int thrd_detach(thrd_t thr)
{
/* FIXME! */
(void)thr;
return thrd_error;
}
int thrd_equal(thrd_t thr0, thrd_t thr1)
{
#if defined(_TTHREAD_WIN32_)
return thr0 == thr1;
#else
return pthread_equal(thr0, thr1);
#endif
}
void thrd_exit(int res)
{
#if defined(_TTHREAD_WIN32_)
ExitThread(res);
#else
void *pres = malloc(sizeof(int));
if (pres != NULL)
{
*(int*)pres = res;
}
pthread_exit(pres);
#endif
}
int thrd_join(thrd_t thr, int *res)
{
#if defined(_TTHREAD_WIN32_)
if (WaitForSingleObject(thr, INFINITE) == WAIT_FAILED)
{
return thrd_error;
}
if (res != NULL)
{
DWORD dwRes;
GetExitCodeThread(thr, &dwRes);
*res = dwRes;
}
#elif defined(_TTHREAD_POSIX_)
void *pres;
int ires = 0;
if (pthread_join(thr, &pres) != 0)
{
return thrd_error;
}
if (pres != NULL)
{
ires = *(int*)pres;
free(pres);
}
if (res != NULL)
{
*res = ires;
}
#endif
return thrd_success;
}
int thrd_sleep(const struct timespec *time_point, struct timespec *remaining)
{
struct timespec now;
#if defined(_TTHREAD_WIN32_)
DWORD delta;
#else
long delta;
#endif
/* Get the current time */
if (clock_gettime(TIME_UTC, &now) != 0)
return -2; // FIXME: Some specific error code?
#if defined(_TTHREAD_WIN32_)
/* Delta in milliseconds */
delta = (DWORD) ((time_point->tv_sec - now.tv_sec) * 1000 +
(time_point->tv_nsec - now.tv_nsec + 500000) / 1000000);
if (delta > 0)
{
Sleep(delta);
}
#else
/* Delta in microseconds */
delta = (time_point->tv_sec - now.tv_sec) * 1000000L +
(time_point->tv_nsec - now.tv_nsec + 500L) / 1000L;
/* On some systems, the usleep argument must be < 1000000 */
while (delta > 999999L)
{
usleep(999999);
delta -= 999999L;
}
if (delta > 0L)
{
usleep((useconds_t)delta);
}
#endif
/* We don't support waking up prematurely (yet) */
if (remaining)
{
remaining->tv_sec = 0;
remaining->tv_nsec = 0;
}
return 0;
}
void thrd_yield(void)
{
#if defined(_TTHREAD_WIN32_)
Sleep(0);
#else
sched_yield();
#endif
}
int tss_create(tss_t *key, tss_dtor_t dtor)
{
#if defined(_TTHREAD_WIN32_)
/* FIXME: The destructor function is not supported yet... */
if (dtor != NULL)
{
return thrd_error;
}
*key = TlsAlloc();
if (*key == TLS_OUT_OF_INDEXES)
{
return thrd_error;
}
#else
if (pthread_key_create(key, dtor) != 0)
{
return thrd_error;
}
#endif
return thrd_success;
}
void tss_delete(tss_t key)
{
#if defined(_TTHREAD_WIN32_)
TlsFree(key);
#else
pthread_key_delete(key);
#endif
}
void *tss_get(tss_t key)
{
#if defined(_TTHREAD_WIN32_)
return TlsGetValue(key);
#else
return pthread_getspecific(key);
#endif
}
int tss_set(tss_t key, void *val)
{
#if defined(_TTHREAD_WIN32_)
if (TlsSetValue(key, val) == 0)
{
return thrd_error;
}
#else
if (pthread_setspecific(key, val) != 0)
{
return thrd_error;
}
#endif
return thrd_success;
}
#if defined(_TTHREAD_EMULATE_CLOCK_GETTIME_)
int _tthread_clock_gettime(clockid_t clk_id, struct timespec *ts)
{
#if defined(_TTHREAD_WIN32_)
struct _timeb tb;
_ftime(&tb);
ts->tv_sec = (time_t)tb.time;
ts->tv_nsec = 1000000L * (long)tb.millitm;
#else
struct timeval tv;
gettimeofday(&tv, NULL);
ts->tv_sec = (time_t)tv.tv_sec;
ts->tv_nsec = 1000L * (long)tv.tv_usec;
#endif
return 0;
}
#endif // _TTHREAD_EMULATE_CLOCK_GETTIME_

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/* -*- mode: c; tab-width: 2; indent-tabs-mode: nil; -*-
Copyright (c) 2012 Marcus Geelnard
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source
distribution.
*/
#ifndef _TINYCTHREAD_H_
#define _TINYCTHREAD_H_
/**
* @file
* @mainpage TinyCThread API Reference
*
* @section intro_sec Introduction
* TinyCThread is a minimal, portable implementation of basic threading
* classes for C.
*
* They closely mimic the functionality and naming of the C11 standard, and
* should be easily replaceable with the corresponding standard variants.
*
* @section port_sec Portability
* The Win32 variant uses the native Win32 API for implementing the thread
* classes, while for other systems, the POSIX threads API (pthread) is used.
*
* @section misc_sec Miscellaneous
* The following special keywords are available: #_Thread_local.
*
* For more detailed information, browse the different sections of this
* documentation. A good place to start is:
* tinycthread.h.
*/
/* Which platform are we on? */
#if !defined(_TTHREAD_PLATFORM_DEFINED_)
#if defined(_WIN32) || defined(__WIN32__) || defined(__WINDOWS__)
#define _TTHREAD_WIN32_
#else
#define _TTHREAD_POSIX_
#endif
#define _TTHREAD_PLATFORM_DEFINED_
#endif
/* Activate some POSIX functionality (e.g. clock_gettime and recursive mutexes) */
#if defined(_TTHREAD_POSIX_)
#undef _FEATURES_H
#if !defined(_GNU_SOURCE)
#define _GNU_SOURCE
#endif
#if !defined(_POSIX_C_SOURCE) || ((_POSIX_C_SOURCE - 0) < 199309L)
#undef _POSIX_C_SOURCE
#define _POSIX_C_SOURCE 199309L
#endif
#if !defined(_XOPEN_SOURCE) || ((_XOPEN_SOURCE - 0) < 500)
#undef _XOPEN_SOURCE
#define _XOPEN_SOURCE 500
#endif
#endif
/* Generic includes */
#include <time.h>
/* Platform specific includes */
#if defined(_TTHREAD_POSIX_)
#include <pthread.h>
#elif defined(_TTHREAD_WIN32_)
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#define __UNDEF_LEAN_AND_MEAN
#endif
#include <windows.h>
#ifdef __UNDEF_LEAN_AND_MEAN
#undef WIN32_LEAN_AND_MEAN
#undef __UNDEF_LEAN_AND_MEAN
#endif
#endif
/* Workaround for missing TIME_UTC: If time.h doesn't provide TIME_UTC,
it's quite likely that libc does not support it either. Hence, fall back to
the only other supported time specifier: CLOCK_REALTIME (and if that fails,
we're probably emulating clock_gettime anyway, so anything goes). */
#ifndef TIME_UTC
#ifdef CLOCK_REALTIME
#define TIME_UTC CLOCK_REALTIME
#else
#define TIME_UTC 0
#endif
#endif
/* Workaround for missing clock_gettime (most Windows compilers, afaik) */
#if defined(_TTHREAD_WIN32_) || defined(__APPLE_CC__)
#define _TTHREAD_EMULATE_CLOCK_GETTIME_
/* Emulate struct timespec */
#if defined(_TTHREAD_WIN32_)
struct _ttherad_timespec {
time_t tv_sec;
long tv_nsec;
};
#define timespec _ttherad_timespec
#endif
/* Emulate clockid_t */
typedef int _tthread_clockid_t;
#define clockid_t _tthread_clockid_t
/* Emulate clock_gettime */
int _tthread_clock_gettime(clockid_t clk_id, struct timespec *ts);
#define clock_gettime _tthread_clock_gettime
#endif
/** TinyCThread version (major number). */
#define TINYCTHREAD_VERSION_MAJOR 1
/** TinyCThread version (minor number). */
#define TINYCTHREAD_VERSION_MINOR 1
/** TinyCThread version (full version). */
#define TINYCTHREAD_VERSION (TINYCTHREAD_VERSION_MAJOR * 100 + TINYCTHREAD_VERSION_MINOR)
/**
* @def _Thread_local
* Thread local storage keyword.
* A variable that is declared with the @c _Thread_local keyword makes the
* value of the variable local to each thread (known as thread-local storage,
* or TLS). Example usage:
* @code
* // This variable is local to each thread.
* _Thread_local int variable;
* @endcode
* @note The @c _Thread_local keyword is a macro that maps to the corresponding
* compiler directive (e.g. @c __declspec(thread)).
* @note This directive is currently not supported on Mac OS X (it will give
* a compiler error), since compile-time TLS is not supported in the Mac OS X
* executable format. Also, some older versions of MinGW (before GCC 4.x) do
* not support this directive.
* @hideinitializer
*/
/* FIXME: Check for a PROPER value of __STDC_VERSION__ to know if we have C11 */
#if !(defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 201102L)) && !defined(_Thread_local)
#if defined(__GNUC__) || defined(__INTEL_COMPILER) || defined(__SUNPRO_CC) || defined(__IBMCPP__)
#define _Thread_local __thread
#else
#define _Thread_local __declspec(thread)
#endif
#endif
/* Macros */
#define TSS_DTOR_ITERATIONS 0
/* Function return values */
#define thrd_error 0 /**< The requested operation failed */
#define thrd_success 1 /**< The requested operation succeeded */
#define thrd_timeout 2 /**< The time specified in the call was reached without acquiring the requested resource */
#define thrd_busy 3 /**< The requested operation failed because a tesource requested by a test and return function is already in use */
#define thrd_nomem 4 /**< The requested operation failed because it was unable to allocate memory */
/* Mutex types */
#define mtx_plain 1
#define mtx_timed 2
#define mtx_try 4
#define mtx_recursive 8
/* Mutex */
#if defined(_TTHREAD_WIN32_)
typedef struct {
CRITICAL_SECTION mHandle; /* Critical section handle */
int mAlreadyLocked; /* TRUE if the mutex is already locked */
int mRecursive; /* TRUE if the mutex is recursive */
} mtx_t;
#else
typedef pthread_mutex_t mtx_t;
#endif
/** Create a mutex object.
* @param mtx A mutex object.
* @param type Bit-mask that must have one of the following six values:
* @li @c mtx_plain for a simple non-recursive mutex
* @li @c mtx_timed for a non-recursive mutex that supports timeout
* @li @c mtx_try for a non-recursive mutex that supports test and return
* @li @c mtx_plain | @c mtx_recursive (same as @c mtx_plain, but recursive)
* @li @c mtx_timed | @c mtx_recursive (same as @c mtx_timed, but recursive)
* @li @c mtx_try | @c mtx_recursive (same as @c mtx_try, but recursive)
* @return @ref thrd_success on success, or @ref thrd_error if the request could
* not be honored.
*/
int mtx_init(mtx_t *mtx, int type);
/** Release any resources used by the given mutex.
* @param mtx A mutex object.
*/
void mtx_destroy(mtx_t *mtx);
/** Lock the given mutex.
* Blocks until the given mutex can be locked. If the mutex is non-recursive, and
* the calling thread already has a lock on the mutex, this call will block
* forever.
* @param mtx A mutex object.
* @return @ref thrd_success on success, or @ref thrd_error if the request could
* not be honored.
*/
int mtx_lock(mtx_t *mtx);
/** NOT YET IMPLEMENTED.
*/
int mtx_timedlock(mtx_t *mtx, const struct timespec *ts);
/** Try to lock the given mutex.
* The specified mutex shall support either test and return or timeout. If the
* mutex is already locked, the function returns without blocking.
* @param mtx A mutex object.
* @return @ref thrd_success on success, or @ref thrd_busy if the resource
* requested is already in use, or @ref thrd_error if the request could not be
* honored.
*/
int mtx_trylock(mtx_t *mtx);
/** Unlock the given mutex.
* @param mtx A mutex object.
* @return @ref thrd_success on success, or @ref thrd_error if the request could
* not be honored.
*/
int mtx_unlock(mtx_t *mtx);
/* Condition variable */
#if defined(_TTHREAD_WIN32_)
typedef struct {
HANDLE mEvents[2]; /* Signal and broadcast event HANDLEs. */
unsigned int mWaitersCount; /* Count of the number of waiters. */
CRITICAL_SECTION mWaitersCountLock; /* Serialize access to mWaitersCount. */
} cnd_t;
#else
typedef pthread_cond_t cnd_t;
#endif
/** Create a condition variable object.
* @param cond A condition variable object.
* @return @ref thrd_success on success, or @ref thrd_error if the request could
* not be honored.
*/
int cnd_init(cnd_t *cond);
/** Release any resources used by the given condition variable.
* @param cond A condition variable object.
*/
void cnd_destroy(cnd_t *cond);
/** Signal a condition variable.
* Unblocks one of the threads that are blocked on the given condition variable
* at the time of the call. If no threads are blocked on the condition variable
* at the time of the call, the function does nothing and return success.
* @param cond A condition variable object.
* @return @ref thrd_success on success, or @ref thrd_error if the request could
* not be honored.
*/
int cnd_signal(cnd_t *cond);
/** Broadcast a condition variable.
* Unblocks all of the threads that are blocked on the given condition variable
* at the time of the call. If no threads are blocked on the condition variable
* at the time of the call, the function does nothing and return success.
* @param cond A condition variable object.
* @return @ref thrd_success on success, or @ref thrd_error if the request could
* not be honored.
*/
int cnd_broadcast(cnd_t *cond);
/** Wait for a condition variable to become signaled.
* The function atomically unlocks the given mutex and endeavors to block until
* the given condition variable is signaled by a call to cnd_signal or to
* cnd_broadcast. When the calling thread becomes unblocked it locks the mutex
* before it returns.
* @param cond A condition variable object.
* @param mtx A mutex object.
* @return @ref thrd_success on success, or @ref thrd_error if the request could
* not be honored.
*/
int cnd_wait(cnd_t *cond, mtx_t *mtx);
/** Wait for a condition variable to become signaled.
* The function atomically unlocks the given mutex and endeavors to block until
* the given condition variable is signaled by a call to cnd_signal or to
* cnd_broadcast, or until after the specified time. When the calling thread
* becomes unblocked it locks the mutex before it returns.
* @param cond A condition variable object.
* @param mtx A mutex object.
* @param xt A point in time at which the request will time out (absolute time).
* @return @ref thrd_success upon success, or @ref thrd_timeout if the time
* specified in the call was reached without acquiring the requested resource, or
* @ref thrd_error if the request could not be honored.
*/
int cnd_timedwait(cnd_t *cond, mtx_t *mtx, const struct timespec *ts);
/* Thread */
#if defined(_TTHREAD_WIN32_)
typedef HANDLE thrd_t;
#else
typedef pthread_t thrd_t;
#endif
/** Thread start function.
* Any thread that is started with the @ref thrd_create() function must be
* started through a function of this type.
* @param arg The thread argument (the @c arg argument of the corresponding
* @ref thrd_create() call).
* @return The thread return value, which can be obtained by another thread
* by using the @ref thrd_join() function.
*/
typedef int (*thrd_start_t)(void *arg);
/** Create a new thread.
* @param thr Identifier of the newly created thread.
* @param func A function pointer to the function that will be executed in
* the new thread.
* @param arg An argument to the thread function.
* @return @ref thrd_success on success, or @ref thrd_nomem if no memory could
* be allocated for the thread requested, or @ref thrd_error if the request
* could not be honored.
* @note A thread’s identifier may be reused for a different thread once the
* original thread has exited and either been detached or joined to another
* thread.
*/
int thrd_create(thrd_t *thr, thrd_start_t func, void *arg);
/** Identify the calling thread.
* @return The identifier of the calling thread.
*/
thrd_t thrd_current(void);
/** NOT YET IMPLEMENTED.
*/
int thrd_detach(thrd_t thr);
/** Compare two thread identifiers.
* The function determines if two thread identifiers refer to the same thread.
* @return Zero if the two thread identifiers refer to different threads.
* Otherwise a nonzero value is returned.
*/
int thrd_equal(thrd_t thr0, thrd_t thr1);
/** Terminate execution of the calling thread.
* @param res Result code of the calling thread.
*/
void thrd_exit(int res);
/** Wait for a thread to terminate.
* The function joins the given thread with the current thread by blocking
* until the other thread has terminated.
* @param thr The thread to join with.
* @param res If this pointer is not NULL, the function will store the result
* code of the given thread in the integer pointed to by @c res.
* @return @ref thrd_success on success, or @ref thrd_error if the request could
* not be honored.
*/
int thrd_join(thrd_t thr, int *res);
/** Put the calling thread to sleep.
* Suspend execution of the calling thread.
* @param time_point A point in time at which the thread will resume (absolute time).
* @param remaining If non-NULL, this parameter will hold the remaining time until
* time_point upon return. This will typically be zero, but if
* the thread was woken up by a signal that is not ignored before
* time_point was reached @c remaining will hold a positive
* time.
* @return 0 (zero) on successful sleep, or -1 if an interrupt occurred.
*/
int thrd_sleep(const struct timespec *time_point, struct timespec *remaining);
/** Yield execution to another thread.
* Permit other threads to run, even if the current thread would ordinarily
* continue to run.
*/
void thrd_yield(void);
/* Thread local storage */
#if defined(_TTHREAD_WIN32_)
typedef DWORD tss_t;
#else
typedef pthread_key_t tss_t;
#endif
/** Destructor function for a thread-specific storage.
* @param val The value of the destructed thread-specific storage.
*/
typedef void (*tss_dtor_t)(void *val);
/** Create a thread-specific storage.
* @param key The unique key identifier that will be set if the function is
* successful.
* @param dtor Destructor function. This can be NULL.
* @return @ref thrd_success on success, or @ref thrd_error if the request could
* not be honored.
* @note The destructor function is not supported under Windows. If @c dtor is
* not NULL when calling this function under Windows, the function will fail
* and return @ref thrd_error.
*/
int tss_create(tss_t *key, tss_dtor_t dtor);
/** Delete a thread-specific storage.
* The function releases any resources used by the given thread-specific
* storage.
* @param key The key that shall be deleted.
*/
void tss_delete(tss_t key);
/** Get the value for a thread-specific storage.
* @param key The thread-specific storage identifier.
* @return The value for the current thread held in the given thread-specific
* storage.
*/
void *tss_get(tss_t key);
/** Set the value for a thread-specific storage.
* @param key The thread-specific storage identifier.
* @param val The value of the thread-specific storage to set for the current
* thread.
* @return @ref thrd_success on success, or @ref thrd_error if the request could
* not be honored.
*/
int tss_set(tss_t key, void *val);
#endif /* _TINYTHREAD_H_ */

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add_custom_target(docs ALL ${DOXYGEN_EXECUTABLE}
WORKING_DIRECTORY ${GLFW_BINARY_DIR}/docs
COMMENT "Generating HTML documentation" VERBATIM)

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/*!
@page build Building programs that use GLFW
@tableofcontents
This is about compiling and linking programs that use GLFW. For information on
how to write such programs, start with the [introductory tutorial](@ref quick).
For information on how to compile the GLFW library itself, see the @ref compile
guide.
@section build_include Including the GLFW header file
In the files of your program where you use OpenGL or GLFW, you should include
the GLFW 3 header file, i.e.:
@code
#include <GLFW/glfw3.h>
@endcode
This defines all the constants, types and function prototypes of the GLFW API.
It also includes the chosen client API header files (by default OpenGL), and
defines all the constants and types necessary for those headers to work on that
platform.
For example, under Windows you are normally required to include `windows.h`
before including `GL/gl.h`. This would make your source file tied to Windows
and pollute your code's namespace with the whole Win32 API.
Instead, the GLFW header takes care of this for you, not by including
`windows.h`, but rather by itself duplicating only the necessary parts of it.
It does this only where needed, so if `windows.h` *is* included, the GLFW header
does not try to redefine those symbols.
In other words:
- Do *not* include the OpenGL headers yourself, as GLFW does this for you
- Do *not* include `windows.h` or other platform-specific headers unless you
plan on using those APIs directly
- If you *do* need to include such headers, do it *before* including
the GLFW one and it will detect this
If you are using an OpenGL extension loading library such as
[GLEW](http://glew.sourceforge.net/), the GLEW header should also be included
*before* the GLFW one. The GLEW header defines macros that disable any OpenGL
header that the GLFW header includes and GLEW will work as expected.
@subsection build_macros GLFW header option macros
These macros may be defined before the inclusion of the GLFW header and affect
the behavior of the header. Note that GLFW does not provide any of the OpenGL
or OpenGL ES headers mentioned below. These are provided by your development
environment or your OpenGL or OpenGL ES SDK.
`GLFW_INCLUDE_GLCOREARB` makes the header include the modern `GL/glcorearb.h`
header (`OpenGL/gl3.h` on OS X) instead of the regular OpenGL header.
`GLFW_INCLUDE_ES1` makes the header include the OpenGL ES 1.x `GLES/gl.h` header
instead of the regular OpenGL header.
`GLFW_INCLUDE_ES2` makes the header include the OpenGL ES 2.0 `GLES2/gl2.h`
header instead of the regular OpenGL header.
`GLFW_INCLUDE_ES3` makes the header include the OpenGL ES 3.0 `GLES3/gl3.h`
header instead of the regular OpenGL header.
`GLFW_INCLUDE_NONE` makes the header not include any client API header.
`GLFW_INCLUDE_GLU` makes the header include the GLU header *in addition to* the
OpenGL header. This should only be used with the default `GL/gl.h` header
(`OpenGL/gl.h` on OS X), i.e. if you are not using any of the above macros.
`GLFW_DLL` is necessary when using the GLFW DLL on Windows, in order to explain
to the compiler that the GLFW functions will be coming from another executable.
It has no function on other platforms.
@section build_link Link with the right libraries
@subsection build_link_win32 With MinGW or Visual C++ on Windows
The static version of the GLFW library is named `glfw3`. When using this
version, it is also necessary to link with some libraries that GLFW uses.
When linking a program under Windows that uses the static version of GLFW, you
must link with `opengl32`. On some versions of MinGW, you must also explicitly
link with `gdi32`, while other versions of MinGW include it in the set of
default libraries along with other dependencies like `user32` and `kernel32`.
If you are using GLU, you must also link with `glu32`.
The link library for the GLFW DLL is named `glfw3dll`. When compiling a program
that uses the DLL version of GLFW, you need to define the `GLFW_DLL` macro
*before* any inclusion of the GLFW header. This can be done either with
a compiler switch or by defining it in your source code.
A program using the GLFW DLL does not need to link against any of its
dependencies, but you still have to link against `opengl32` if your program uses
OpenGL and `glu32` if it uses GLU.
@subsection build_link_cmake_source With CMake and GLFW source
You can use the GLFW source tree directly from a project that uses CMake. This
way, GLFW will be built along with your application as needed.
Firstly, add the root directory of the GLFW source tree to your project. This
will add the `glfw` target and the necessary cache variables to your project.
add_subdirectory(path/to/glfw)
To be able to include the GLFW header from your code, you need to tell the
compiler where to find it.
include_directories(path/to/glfw/include)
Once GLFW has been added to the project, the `GLFW_LIBRARIES` cache variable
contains all link-time dependencies of GLFW as it is currently configured. To
link against GLFW, link against them and the `glfw` target.
target_link_libraries(myapp glfw ${GLFW_LIBRARIES})
Note that `GLFW_LIBRARIES` does not include GLU, as GLFW does not use it. If
your application needs GLU, you can add it to the list of dependencies with the
`OPENGL_glu_LIBRARY` cache variable, which is implicitly created when the GLFW
CMake files look for OpenGL.
target_link_libraries(myapp glfw ${OPENGL_glu_LIBRARY} ${GLFW_LIBRARIES})
@subsection build_link_cmake_pkgconfig With CMake on Unix and installed GLFW binaries
CMake can import settings from pkg-config, which GLFW supports. When you
installed GLFW, the pkg-config file `glfw3.pc` was installed along with it.
First you need to find the PkgConfig package. If this fails, you may need to
install the pkg-config package for your distribution.
find_package(PkgConfig REQUIRED)
This creates the CMake commands to find pkg-config packages. Then you need to
find the GLFW package.
pkg_search_module(GLFW REQUIRED glfw3)
This creates the CMake variables you need to use GLFW. To be able to include
the GLFW header, you need to tell your compiler where it is.
include_directories(${GLFW_INCLUDE_DIRS})
You also need to link against the correct libraries. If you are using the
shared library version of GLFW, use the `GLFW_LIBRARIES` variable.
target_link_libraries(simple ${GLFW_LIBRARIES})
If you are using the static library version of GLFW, use the
`GLFW_STATIC_LIBRARIES` variable instead.
target_link_libraries(simple ${GLFW_STATIC_LIBRARIES})
@subsection build_link_pkgconfig With pkg-config on OS X or other Unix
GLFW supports [pkg-config](http://www.freedesktop.org/wiki/Software/pkg-config/),
and the `glfw3.pc` file is generated when the GLFW library is built and installed
along with it.
A typical compile and link command-line when using the static may look like this:
cc `pkg-config --cflags glfw3` -o myprog myprog.c `pkg-config --static --libs glfw3`
If you are using the shared library, simply omit the `--static` flag.
cc `pkg-config --cflags glfw3` -o myprog myprog.c `pkg-config --libs glfw3`
You can also use the `glfw3.pc` file without installing it first, by using the
`PKG_CONFIG_PATH` environment variable.
env PKG_CONFIG_PATH=path/to/glfw/src cc `pkg-config --cflags glfw3` -o myprog myprog.c `pkg-config --static --libs glfw3`
The dependencies do not include GLU, as GLFW does not need it. On OS X, GLU is
built into the OpenGL framework, so if you need GLU you don't need to do
anything extra. If you need GLU and are using Linux or BSD, you should add
`-lGLU` to your link flags.
See the manpage and other documentation for pkg-config and your compiler and
linker for more information on how to link programs.
@subsection build_link_xcode With Xcode on OS X
If you are using the dynamic library version of GLFW, simply add it to the
project dependencies.
If you are using the static library version of GLFW, add it and the Cocoa,
OpenGL, IOKit and CoreVideo frameworks to the project as dependencies.
@subsection build_link_osx With command-line on OS X
If you do not wish to use pkg-config, you need to add the required frameworks
and libraries to your command-line using the `-l` and `-framework` switches,
i.e.:
cc -o myprog myprog.c -lglfw -framework Cocoa -framework OpenGL -framework IOKit -framework CoreVideo
Note that you do not add the `.framework` extension to a framework when adding
it from the command-line.
The OpenGL framework contains both the OpenGL and GLU APIs, so there is nothing
special to do when using GLU. Also note that even though your machine may have
`libGL`-style OpenGL libraries, they are for use with the X Window System and
will *not* work with the OS X native version of GLFW.
*/

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/*!
@page compat Standards conformance
@tableofcontents
This chapter describes the various API extensions used by this version of GLFW.
It lists what are essentially implementation details, but which are nonetheless
vital knowledge for developers wishing to deploy their applications on machines
with varied specifications.
Note that the information in this appendix is not a part of the API
specification but merely list some of the preconditions for certain parts of the
API to function on a given machine. As such, any part of it may change in
future versions without this being considered a breaking API change.
@section compat_wm ICCCM and EWMH conformance
As GLFW uses Xlib, directly, without any intervening toolkit
library, it has sole responsibility for interacting well with the many and
varied window managers in use on Unix-like systems. In order for applications
and window managers to work well together, a number of standards and
conventions have been developed that regulate behavior outside the scope of the
X11 API; most importantly the
[Inter-Client Communication Conventions Manual](http://www.tronche.com/gui/x/icccm/)
(ICCCM) and
[Extended Window Manager Hints](http://standards.freedesktop.org/wm-spec/wm-spec-latest.html)
(EWMH) standards.
GLFW uses the ICCCM `WM_DELETE_WINDOW` protocol to intercept the user
attempting to close the GLFW window. If the running window manager does not
support this protocol, the close callback will never be called.
GLFW uses the EWMH `_NET_WM_PING` protocol, allowing the window manager notify
the user when the application has stopped responding, i.e. when it has ceased to
process events. If the running window manager does not support this protocol,
the user will not be notified if the application locks up.
GLFW uses the EWMH `_NET_WM_STATE` protocol to tell the window manager to make
the GLFW window full screen. If the running window manager does not support this
protocol, full screen windows may not work properly. GLFW has a fallback code
path in case this protocol is unavailable, but every window manager behaves
slightly differently in this regard.
GLFW uses the
[clipboard manager protocol](http://www.freedesktop.org/wiki/ClipboardManager/)
to push a clipboard string (i.e. selection) owned by a GLFW window about to be
destroyed to the clipboard manager. If there is no running clipboard manager,
the clipboard string will be unavailable once the window has been destroyed.
@section compat_glx GLX extensions
The GLX API is the default API used to create OpenGL contexts on Unix-like
systems using the X Window System.
GLFW uses the `GLXFBConfig` API to enumerate and select framebuffer pixel
formats. This requires either GLX 1.3 or greater, or the `GLX_SGIX_fbconfig`
extension. Where both are available, the SGIX extension is preferred. If
neither is available, GLFW will be unable to create windows.
GLFW uses the `GLX_MESA_swap_control,` `GLX_EXT_swap_control` and
`GLX_SGI_swap_control` extensions to provide vertical retrace synchronization
(or "vsync"), in that order of preference. Where none of these extension are
available, calling @ref glfwSwapInterval will have no effect.
GLFW uses the `GLX_ARB_multisample` extension to create contexts with
multisampling anti-aliasing. Where this extension is unavailable, the
`GLFW_SAMPLES` hint will have no effect.
GLFW uses the `GLX_ARB_create_context` extension when available, even when
creating OpenGL contexts of version 2.1 and below. Where this extension is
unavailable, the `GLFW_CONTEXT_VERSION_MAJOR` and `GLFW_CONTEXT_VERSION_MINOR`
hints will only be partially supported, the `GLFW_OPENGL_DEBUG_CONTEXT` hint
will have no effect, and setting the `GLFW_OPENGL_PROFILE` or
`GLFW_OPENGL_FORWARD_COMPAT` hints to a non-zero value will cause @ref
glfwCreateWindow to fail.
GLFW uses the `GLX_ARB_create_context_profile` extension to provide support for
context profiles. Where this extension is unavailable, setting the
`GLFW_OPENGL_PROFILE` hint to anything but zero, or setting `GLFW_CLIENT_API` to
anything but `GLFW_OPENGL_API` will cause @ref glfwCreateWindow to fail.
@section compat_wgl WGL extensions
The WGL API is used to create OpenGL contexts on Microsoft Windows and other
implementations of the Win32 API, such as Wine.
GLFW uses either the `WGL_EXT_extension_string` or the
`WGL_ARB_extension_string` extension to check for the presence of all other WGL
extensions listed below. If both are available, the EXT one is preferred. If
neither is available, no other extensions are used and many GLFW features
related to context creation will have no effect or cause errors when used.
GLFW uses the `WGL_EXT_swap_control` extension to provide vertical retrace
synchronization (or 'vsync'). Where this extension is unavailable, calling @ref
glfwSwapInterval will have no effect.
GLFW uses the `WGL_ARB_pixel_format` and `WGL_ARB_multisample` extensions to
create contexts with multisampling anti-aliasing. Where these extensions are
unavailable, the `GLFW_SAMPLES` hint will have no effect.
GLFW uses the `WGL_ARB_create_context` extension when available, even when
creating OpenGL contexts of version 2.1 and below. Where this extension is
unavailable, the `GLFW_CONTEXT_VERSION_MAJOR` and `GLFW_CONTEXT_VERSION_MINOR`
hints will only be partially supported, the `GLFW_OPENGL_DEBUG_CONTEXT` hint
will have no effect, and setting the `GLFW_OPENGL_PROFILE` or
`GLFW_OPENGL_FORWARD_COMPAT` hints to a non-zero value will cause @ref
glfwCreateWindow to fail.
GLFW uses the `WGL_ARB_create_context_profile` extension to provide support for
context profiles. Where this extension is unavailable, setting the
`GLFW_OPENGL_PROFILE` hint to anything but zero will cause @ref glfwCreateWindow
to fail.
@section compat_osx OpenGL 3.2 and later on OS X
Support for OpenGL 3.2 and above was introduced with OS X 10.7 and even then
only forward-compatible, core profile contexts are supported. Support for
OpenGL 4.1 was introduced with OS X 10.9, also limited to forward-compatible,
core profile contexts. There is also still no mechanism for requesting debug
contexts. Versions of Mac OS X earlier than 10.7 support at most OpenGL
version 2.1.
Because of this, on OS X 10.7 and later, the `GLFW_CONTEXT_VERSION_MAJOR` and
`GLFW_CONTEXT_VERSION_MINOR` hints will cause @ref glfwCreateWindow to fail if
given version 3.0 or 3.1, the `GLFW_OPENGL_FORWARD_COMPAT` hint must be set to
non-zero and the `GLFW_OPENGL_PROFILE` hint must be set to
`GLFW_OPENGL_CORE_PROFILE` when creating OpenGL 3.2 and later contexts and the
`GLFW_OPENGL_DEBUG_CONTEXT` hint is ignored.
Also, on Mac OS X 10.6 and below, the `GLFW_CONTEXT_VERSION_MAJOR` and
`GLFW_CONTEXT_VERSION_MINOR` hints will fail if given a version above 2.1,
setting the `GLFW_OPENGL_PROFILE` or `GLFW_OPENGL_FORWARD_COMPAT` hints to
a non-default value will cause @ref glfwCreateWindow to fail and the
`GLFW_OPENGL_DEBUG_CONTEXT` hint is ignored.
*/

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/*!
@page compile Compiling GLFW
@tableofcontents
This is about compiling the GLFW library itself. For information on how to
build programs that use GLFW, see the @ref build guide.
@section compile_deps Dependencies
To compile GLFW and the accompanying example programs, you will need **CMake**,
which will generate the project files or makefiles for your particular
development environment. If you are on a Unix-like system such as Linux or
FreeBSD or have a package system like Fink, MacPorts, Cygwin or Homebrew, you
can simply install its CMake package. If not, you can get installers for
Windows and OS X from the [CMake website](http://www.cmake.org/).
Additional dependencies are listed below.
If you wish to compile GLFW without CMake, see @ref compile_manual.
@subsection compile_deps_msvc Dependencies using Visual C++ on Windows
The Microsoft Platform SDK that is installed along with Visual C++ contains all
the necessary headers, link libraries and tools except for CMake.
@subsection compile_deps_mingw Dependencies with MinGW or MinGW-w64 on Windows
Both the MinGW and the MinGW-w64 packages contain all the necessary headers,
link libraries and tools except for CMake.
@subsection compile_deps_mingw_cross Dependencies using MinGW or MinGW-w64 cross-compilation
Both Cygwin and many Linux distributions have MinGW or MinGW-w64 packages. For
example, Cygwin has the `mingw64-i686-gcc` and `mingw64-x86_64-gcc` packages
for 32- and 64-bit version of MinGW-w64, while Debian GNU/Linux and derivatives
like Ubuntu have the `mingw-w64` package for both.
GLFW has CMake toolchain files in the `CMake/` directory that allow for easy
cross-compilation of Windows binaries. To use these files you need to add a
special parameter when generating the project files or makefiles:
cmake -DCMAKE_TOOLCHAIN_FILE=<toolchain-file> .
The exact toolchain file to use depends on the prefix used by the MinGW or
MinGW-w64 binaries on your system. You can usually see this in the /usr
directory. For example, both the Debian/Ubuntu and Cygwin MinGW-w64 packages
have `/usr/x86_64-w64-mingw32` for the 64-bit compilers, so the correct
invocation would be:
cmake -DCMAKE_TOOLCHAIN_FILE=CMake/x86_64-w64-mingw32.cmake .
For more details see the article
[CMake Cross Compiling](http://www.paraview.org/Wiki/CMake_Cross_Compiling) on
the CMake wiki.
@subsection compile_deps_xcode Dependencies using Xcode on OS X
Xcode contains all necessary tools except for CMake. The necessary headers and
libraries are included in the core OS frameworks. Xcode can be downloaded from
the Mac App Store or from the ADC Member Center.
@subsection compile_deps_x11 Dependencies using Linux and X11
To compile GLFW for X11, you need to have the X11 and OpenGL header packages
installed, as well as the basic development tools like GCC and make. For
example, on Ubuntu and other distributions based on Debian GNU/Linux, you need
to install the `xorg-dev` and `libglu1-mesa-dev` packages. The former pulls in
all X.org header packages and the latter pulls in the Mesa OpenGL and GLU
packages. GLFW itself doesn't need or use GLU, but some of the examples do.
Note that using header files and libraries from Mesa during compilation *will
not* tie your binaries to the Mesa implementation of OpenGL.
@section compile_cmake Generating files with CMake
Once you have all necessary dependencies it is time to generate the project
files or makefiles for your development environment. CMake needs to know two
paths for this: the path to the *root* directory of the GLFW source tree (i.e.
*not* the `src` subdirectory) and the target path for the generated files and
compiled binaries. If these are the same, it is called an in-tree build,
otherwise it is called an out-of-tree build.
One of several advantages of out-of-tree builds is that you can generate files
and compile for different development environments using a single source tree.
@subsection compile_cmake_cli Generating files with the CMake command-line tool
To make an in-tree build, enter the *root* directory of the GLFW source tree
(i.e. *not* the `src` subdirectory) and run CMake. The current directory is
used as target path, while the path provided as an argument is used to find the
source tree.
cd <glfw-root-dir>
cmake .
To make an out-of-tree build, make another directory, enter it and run CMake
with the (relative or absolute) path to the root of the source tree as an
argument.
cd <glfw-root-dir>
mkdir build
cd build
cmake ..
@subsection compile_cmake_gui Generating files with the CMake GUI
If you are using the GUI version, choose the root of the GLFW source tree as
source location and the same directory or another, empty directory as the
destination for binaries. Choose *Configure*, change any options you wish to,
*Configure* again to let the changes take effect and then *Generate*.
@section compile_options CMake options
The CMake files for GLFW provide a number of options, although not all are
available on all supported platforms. Some of these are de facto standards
among CMake users and so have no `GLFW_` prefix.
If you are using the GUI version of CMake, these are listed and can be changed
from there. If you are using the command-line version, use the `ccmake` tool.
Some package systems like Ubuntu and other distributions based on Debian
GNU/Linux have this tool in a separate `cmake-curses-gui` package.
@subsection compile_options_shared Shared CMake options
`BUILD_SHARED_LIBS` determines whether GLFW is built as a static
library or as a DLL / shared library / dynamic library.
`LIB_SUFFIX` affects where the GLFW shared /dynamic library is installed. If it
is empty, it is installed to `${CMAKE_INSTALL_PREFIX}/lib`. If it is set to
`64`, it is installed to `${CMAKE_INSTALL_PREFIX}/lib64`.
`GLFW_CLIENT_LIBRARY` determines which client API library to use. If set to
`opengl` the OpenGL library is used, if set to `glesv1` for the OpenGL ES 1.x
library is used, or if set to `glesv2` the OpenGL ES 2.0 library is used. The
selected library and its header files must be present on the system for this to
work.
`GLFW_BUILD_EXAMPLES` determines whether the GLFW examples are built
along with the library.
`GLFW_BUILD_TESTS` determines whether the GLFW test programs are
built along with the library.
`GLFW_BUILD_DOCS` determines whether the GLFW documentation is built along with
the library.
@subsection compile_options_osx OS X specific CMake options
`GLFW_USE_CHDIR` determines whether `glfwInit` changes the current
directory of bundled applications to the `Contents/Resources` directory.
`GLFW_USE_MENUBAR` determines whether the first call to
`glfwCreateWindow` sets up a minimal menu bar.
`GLFW_BUILD_UNIVERSAL` determines whether to build Universal Binaries.
@subsection compile_options_win32 Windows specific CMake options
`USE_MSVC_RUNTIME_LIBRARY_DLL` determines whether to use the DLL version or the
static library version of the Visual C++ runtime library. If set to `ON`, the
DLL version of the Visual C++ library is used. It is recommended to set this to
`ON`, as this keeps the executable smaller and benefits from security and bug
fix updates of the Visual C++ runtime.
`GLFW_USE_DWM_SWAP_INTERVAL` determines whether the swap interval is set even
when DWM compositing is enabled. If this is `ON`, the swap interval is set even
if DWM is enabled. It is recommended to set this to `OFF`, as doing otherwise
can lead to severe jitter.
`GLFW_USE_OPTIMUS_HPG` determines whether to export the `NvOptimusEnablement`
symbol, which forces the use of the high-performance GPU on nVidia Optimus
systems.
@subsection compile_options_egl EGL specific CMake options
`GLFW_USE_EGL` determines whether to use EGL instead of the platform-specific
context creation API. Note that EGL is not yet provided on all supported
platforms.
@section compile_manual Compiling GLFW manually
If you wish to compile GLFW without its CMake build environment then you will
have to do at least some of the platform detection yourself. GLFW needs
a number of configuration macros to be defined in order to know what it's being
compiled for and has many optional, platform-specific ones for various features.
When building with CMake, the `glfw_config.h` configuration header is generated
based on the current platform and CMake options. The GLFW CMake environment
defines `_GLFW_USE_CONFIG_H`, which causes this header to be included by
`internal.h`. Without this macro, GLFW will expect the necessary configuration
macros to be defined on the command-line.
Three macros *must* be defined when compiling GLFW: one for selecting the window
creation API, one selecting the context creation API and one client library.
Exactly one of each kind must be defined for GLFW to compile and link.
The window creation API is used to create windows, handle input, monitors, gamma
ramps and clipboard. The options are:
- `_GLFW_COCOA` to use the Cocoa frameworks
- `_GLFW_WIN32` to use the Win32 API
- `_GLFW_X11` to use the X Window System
The context creation API is used to enumerate pixel formats / framebuffer
configurations and to create contexts. The options are:
- `_GLFW_NSGL` to use the Cocoa OpenGL framework
- `_GLFW_WGL` to use the Win32 WGL API
- `_GLFW_GLX` to use the X11 GLX API
- `_GLFW_EGL` to use the EGL API (experimental)
The client library is the one providing the OpenGL or OpenGL ES API, which is
used by GLFW to probe the created context. This is not the same thing as the
client API, as many desktop OpenGL client libraries now expose the OpenGL ES API
through extensions. The options are:
- `_GLFW_USE_OPENGL` for the desktop OpenGL (opengl32.dll, libGL.so or
OpenGL.framework)
- `_GLFW_USE_GLESV1` for OpenGL ES 1.x (experimental)
- `_GLFW_USE_GLESV2` for OpenGL ES 2.x (experimental)
Note that `_GLFW_USE_GLESV1` and `_GLFW_USE_GLESV2` may only be used with EGL,
as the other context creation APIs do not interface with OpenGL ES client
libraries.
If you are building GLFW as a shared library / dynamic library / DLL then you
must also define `_GLFW_BUILD_DLL`. Otherwise, you may not define it.
If you are using the X11 window creation API then you *must* also select an entry
point retrieval mechanism.
- `_GLFW_HAS_GLXGETPROCADDRESS` to use `glXGetProcAddress` (recommended)
- `_GLFW_HAS_GLXGETPROCADDRESSARB` to use `glXGetProcAddressARB` (legacy)
- `_GLFW_HAS_GLXGETPROCADDRESSEXT` to use `glXGetProcAddressEXT` (legacy)
- `_GLFW_HAS_DLOPEN` to do manual retrieval with `dlopen` (fallback)
If you are using the Cocoa window creation API, the following options are
available:
- `_GLFW_USE_CHDIR` to `chdir` to the `Resources` subdirectory of the
application bundle during @ref glfwInit (recommended)
- `_GLFW_USE_MENUBAR` to create and populate the menu bar when the first window
is created (recommended)
*/

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/*!
@page context Context handling guide
@tableofcontents
The primary purpose of GLFW is to provide a simple interface to window
management and OpenGL and OpenGL ES context creation. GLFW supports
multiple windows, each of which has its own context.
@section context_object Context handles
The @ref GLFWwindow object encapsulates both a window and a context. They are
created with @ref glfwCreateWindow and destroyed with @ref glfwDestroyWindow (or
@ref glfwTerminate, if any remain). As the window and context are inseparably
linked, the object pointer is used as both a context and window handle.
@section context_hints Context creation hints
There are a number of hints, specified using @ref glfwWindowHint, related to
what kind of context is created. See
[context related hints](@ref window_hints_ctx) in the window handling guide.
@section context_sharing Context object sharing
When creating a window and context with @ref glfwCreateWindow, you can specify
another window whose context the new one should share its objects with. OpenGL
object sharing is implemented by the operating system and graphics driver and is
described in the OpenGL documentation. On platforms where it is possible to
choose which types of objects are shared, GLFW requests that all are shared.
@section context_current Current context
Before you can use the OpenGL or OpenGL ES APIs, you need to have a current
context of the proper type. The context encapsulates all render state and all
objects like textures and shaders.
Note that a context can only be current for a single thread at a time, and
a thread can only have a single context at a time.
A context is made current with @ref glfwMakeContextCurrent.
@code
glfwMakeContextCurrent(window);
@endcode
The current context is returned by @ref glfwGetCurrentContext.
@code
GLFWwindow* window = glfwGetCurrentContext();
@endcode
@section context_swap Swapping buffers
See [swapping buffers](@ref window_swap) in the window handling guide.
@section context_glext OpenGL extension handling
One of the benefits of OpenGL is its extensibility. Independent hardware
vendors (IHVs) may include functionality in their OpenGL implementations that
expand upon the OpenGL standard before that functionality is included in a new
version of the OpenGL specification.
An extension is defined by:
- An extension name (e.g. `GL_ARB_debug_output`)
- New OpenGL tokens (e.g. `GL_DEBUG_SEVERITY_HIGH_ARB`)
- New OpenGL functions (e.g. `glGetDebugMessageLogARB`)
Note the `ARB` affix, which stands for Architecture Review Board and is used
for official extensions. There are many different affixes, depending on who
wrote the extension. A list of extensions, together with their specifications,
can be found at the [OpenGL Registry](http://www.opengl.org/registry/).
To use a certain extension, you must first check whether the context supports
that extension and then, if it introduces new functions, retrieve the pointers
to those functions.
This can be done with GLFW, as will be described in this section, but usually
you will instead want to use a dedicated extension loading library such as
[GLEW](http://glew.sourceforge.net/). This kind of library greatly reduces the
amount of work necessary to use both OpenGL extensions and modern versions of
the OpenGL API. GLEW in particular has been extensively tested with and works
well with GLFW.
@subsection context_glext_header The glext.h header
The `glext.h` header is a continually updated file that defines the interfaces
for all OpenGL extensions. The latest version of this can always be found at
the [OpenGL Registry](http://www.opengl.org/registry/). It it strongly
recommended that you use your own copy, as the one shipped with your development
environment may be several years out of date and may not include the extensions
you wish to use.
The header defines function pointer types for all functions of all extensions it
supports. These have names like `PFNGLGETDEBUGMESSAGELOGARB` (for
`glGetDebugMessageLogARB`), i.e. the name is made uppercase and `PFN` and `PROC`
are added to the ends.
@subsection context_glext_string Checking for extensions
A given machine may not actually support the extension (it may have older
drivers or a graphics card that lacks the necessary hardware features), so it
is necessary to check whether the context supports the extension. This is done
with @ref glfwExtensionSupported.
@code
if (glfwExtensionSupported("GL_ARB_debug_output"))
{
// The extension is supported by the current context
}
@endcode
The argument is a null terminated ASCII string with the extension name. If the
extension is supported, @ref glfwExtensionSupported returns non-zero, otherwise
it returns zero.
@subsection context_glext_proc Fetching function pointers
Many extensions, though not all, require the use of new OpenGL functions.
These entry points are often not exposed by your link libraries, making
it necessary to fetch them at run time. With @ref glfwGetProcAddress you can
retrieve the address of extension and non-extension OpenGL functions.
@code
PFNGLGETDEBUGMESSAGELOGARB pfnGetDebugMessageLog = glfwGetProcAddress("glGetDebugMessageLogARB");
@endcode
In general, you should avoid giving the function pointer variables the (exact)
same name as the function, as this may confuse your linker. Instead, you can
use a different prefix, like above, or some other naming scheme.
Now that all the pieces have been introduced, here is what they might look like
when used together.
@code
#include "glext.h"
#define glGetDebugMessageLogARB pfnGetDebugMessageLog
PFNGLGETDEBUGMESSAGELOGARB pfnGetDebugMessageLog;
// Flag indicating whether the extension is supported
int has_debug_output = 0;
void load_extensions(void)
{
if (glfwExtensionSupported("GL_ARB_debug_output"))
{
pfnGetDebugMessageLog = (PFNGLGETDEBUGMESSAGELOGARB) glfwGetProcAddress("glGetDebugMessageLogARB");
if (pfnGetDebugMessageLog)
{
// Both the extension name and the function pointer are present
has_debug_output = 1;
}
}
}
void some_function(void)
{
// Now the extension function can be called as usual
glGetDebugMessageLogARB(...);
}
@endcode
*/

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color:hsl(34,80%,10%);
border:2px solid hsl(34,40%,75%);
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padding:1em;
text-shadow:0px 1px 1px hsl(0,0%,100%);
}
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box-shadow:inset 0px 0px 32px hsl(24,0%,90%);
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<address class="footer">
<p>
Last update on $date for $projectname $projectnumber
</p>
</address>
</body>
</html>

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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
<meta http-equiv="X-UA-Compatible" content="IE=9"/>
<meta name="generator" content="Doxygen $doxygenversion"/>
<!--BEGIN PROJECT_NAME--><title>$projectname: $title</title><!--END PROJECT_NAME-->
<!--BEGIN !PROJECT_NAME--><title>$title</title><!--END !PROJECT_NAME-->
<link href="$relpath^tabs.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="$relpath^jquery.js"></script>
<script type="text/javascript" src="$relpath^dynsections.js"></script>
$treeview
$search
$mathjax
<link href="$relpath^$stylesheet" rel="stylesheet" type="text/css" />
$extrastylesheet
</head>
<body>
<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
<!--BEGIN TITLEAREA-->
<div id="titlearea">
<div class="glfwheader">
<a href="http://www.glfw.org/" id="glfwhome">GLFW</a>
<ul class="glfwnavbar">
<li><a href="http://www.glfw.org/documentation.html">Documentation</a></li>
<li><a href="http://www.glfw.org/download.html">Download</a></li>
<li><a href="http://www.glfw.org/media.html">Media</a></li>
<li><a href="http://www.glfw.org/community.html">Community</a></li>
</ul>
</div>
</div>
<!--END TITLEAREA-->
<!-- end header part -->

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/*!
@page internals Internal structure
@tableofcontents
There are several interfaces inside GLFW. Each interface has its own area of
responsibility and its own naming conventions.
@section internals_public Public interface
The most well-known is the public interface, described in the glfw3.h header
file. This is implemented in source files shared by all platforms and these
files contain no platform-specific code. This code usually ends up calling the
platform and internal interfaces to do the actual work.
The public interface uses the OpenGL naming conventions except with GLFW and
glfw instead of GL and gl. For struct members, where OpenGL sets no precedent,
it use headless camel case.
Examples: @ref glfwCreateWindow, @ref GLFWwindow, @ref GLFWvidmode.redBits,
`GLFW_RED_BITS`
@section internals_native Native interface
The [native interface](@ref native) is a small set of publicly available
but platform-specific functions, described in the glfw3native.h header file and
used to gain access to the underlying window, context and (on some platforms)
display handles used by the platform interface.
The function names of the native interface are similar to those of the public
interface, but embeds the name of the interface that the returned handle is
from.
Examples: @ref glfwGetX11Window, @ref glfwGetWGLContext
@section internals_internal Internal interface
The internal interface consists of utility functions used by all other
interfaces. It is shared code implemented in the same shared source files as
the public and event interfaces. The internal interface is described in the
internal.h header file.
The internal interface is in charge of GLFW's global data, which it stores in
a `_GLFWlibrary` struct named `_glfw`.
The internal interface uses the same style as the public interface, except all
global names have a leading underscore.
Examples: @ref _glfwIsValidContextConfig, @ref _GLFWwindow, `_glfw.currentRamp`
@section internals_platform Platform interface
The platform interface implements all platform-specific operations as a service
to the public interface. This includes event processing. The platform
interface is never directly called by users of GLFW and never directly calls the
user's code. It is also prohibited from modifying the platform-independent part
of the internal structs. Instead, it calls the event interface when events
interesting to GLFW are received.
The platform interface mirrors those parts of the public interface that needs to
perform platform-specific operations on some or all platforms. The are also
named the same except that the glfw function prefix is replaced by
_glfwPlatform.
Examples: @ref _glfwPlatformCreateWindow
The platform interface also defines structs that contain platform-specific
global and per-object state. Their names mirror those of the internal
interface, except that an interface-specific suffix is added.
Examples: `_GLFWwindowX11`, `_GLFWcontextWGL`
These structs are incorporated as members into the internal interface structs
using special macros that name them after the specific interface used. This
prevents shared code from accidentally using these members.
Examples: `window.win32.handle`, `_glfw.x11.display`
@section internals_event Event interface
The event interface is implemented in the same shared source files as the public
interface and is responsible for delivering the events it receives to the user,
either via callbacks, via window state changes or both.
The function names of the event interface use a `_glfwInput` prefix and the
ObjectEvent pattern.
Examples: @ref _glfwInputWindowFocus, @ref _glfwInputCursorMotion
@section internals_static Static functions
Static functions may be used by any interface and have no prefixes or suffixes.
These use headless camel case.
Examples: `clearScrollOffsets`
@section internals_config Configuration macros
GLFW uses a number of configuration macros to select at compile time which
interfaces and code paths to use. They are defined in the glfw_config.h header file,
which is generated from the `glfw_config.h.in` file by CMake.
Configuration macros the same style as tokens in the public interface, except
with a leading underscore.
Examples: `_GLFW_HAS_GLXGETPROCADDRESS`
*/

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/*!
@mainpage notitle
@section main_intro Introduction
GLFW is a free, Open Source, multi-platform library for opening a window,
creating an OpenGL context and managing input. It is easy to integrate into
existing applications and does not lay claim to the main loop.
This is the documentation for version 3.0, which has [many new features](@ref news).
There is a [quick tutorial](@ref quick) for people new to GLFW, which shows how
to write a small but complete program, and guides for
[compiling GLFW](@ref compile) and
[building programs that use GLFW](@ref build).
If you have used GLFW 2.x in the past, there is a
[transition guide](@ref moving) that explains what has changed and how to update
existing code to use the new API.
*/

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/*!
@page monitor Multi-monitor guide
@tableofcontents
@section monitor_objects Monitor objects
The @ref GLFWmonitor object represents a currently connected monitor.
@section monitor_monitors Retrieving monitors
The primary monitor is returned by @ref glfwGetPrimaryMonitor. It is usually
the user's preferred monitor and the one with global UI elements like task bar
or menu bar.
@code
GLFWmonitor* primary = glfwGetPrimaryMonitor();
@endcode
You can retrieve all currently connected monitors with @ref glfwGetMonitors.
@code
int count;
GLFWmonitor** monitors = glfwGetMonitors(&count);
@endcode
@section monitor_modes Retrieving video modes
Although GLFW generally does a good job at selecting a suitable video
mode for you when you open a full screen window, it is sometimes useful to
know exactly which modes are available on a certain system. For example,
you may want to present the user with a list of video modes to select
from. To get a list of available video modes, you can use the function
@ref glfwGetVideoModes.
@code
int count;
GLFWvidmode* modes = glfwGetVideoModes(monitor, &count);
@endcode
To get the current video mode of a monitor call @ref glfwGetVideoMode.
@code
const GLFWvidmode* mode = glfwGetVideoMode(monitor);
@endcode
@section monitor_size Monitor physical size
The physical size in millimetres of a monitor, or an approximation of it, can be
retrieved with @ref glfwGetMonitorPhysicalSize.
@code
int widthMM, heightMM;
glfwGetMonitorPhysicalSize(monitor, &widthMM, &heightMM);
@endcode
This can, for example, be used together with the current video mode to calculate
the DPI of a monitor.
@code
const double dpi = mode->width / (widthMM / 25.4);
@endcode
@section monitor_name Monitor name
The name of a monitor is returned by @ref glfwGetMonitorName.
@code
const char* name = glfwGetMonitorName(monitor);
@endcode
The monitor name is a regular C string using the UTF-8 encoding. Note that
monitor names are not guaranteed to be unique.
@section monitor_gamma Monitor gamma ramp
The gamma ramp of a monitor can be set with @ref glfwSetGammaRamp, which accepts
a monitor handle and a pointer to a @ref GLFWgammaramp structure.
@code
glfwSetGammaRamp(monitor, &ramp);
@endcode
The current gamma ramp for a monitor is returned by @ref glfwGetGammaRamp.
@code
const GLFWgammaramp* ramp = glfwGetGammaRamp(monitor);
@endcode
If you wish to set a regular gamma ramp, you can have GLFW calculate it for you
from the desired exponent with @ref glfwSetGamma, which in turn calls @ref
glfwSetGammaRamp with the resulting ramp.
@code
glfwSetGamma(monitor, 1.0);
@endcode
*/

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/*!
@page moving Moving from GLFW 2 to 3
@tableofcontents
This is a transition guide for moving from GLFW 2 to 3. It describes what has
changed or been removed, but does *not* include
[new features](@ref news) unless they are required when moving an existing code
base onto the new API. For example, use of the new multi-monitor functions are
required to create full screen windows with GLFW 3.
@section moving_removed Removed features
@subsection moving_threads Threading functions
The threading functions have been removed, including the sleep function. They
were fairly primitive, under-used, poorly integrated and took time away from the
focus of GLFW (i.e. context, input and window). There are better threading
libraries available and native threading support is available in both C++11 and
C11, both of which are gaining traction.
If you wish to use the C++11 or C11 facilities but your compiler doesn't yet
support them, see the
[TinyThread++](https://gitorious.org/tinythread/tinythreadpp) and
[TinyCThread](https://gitorious.org/tinythread/tinycthread) projects created by
the original author of GLFW. These libraries implement a usable subset of the
threading APIs in C++11 and C11, and in fact some GLFW 3 test programs use
TinyCThread.
However, GLFW 3 has better support for *use from multiple threads* than GLFW
2 had. Contexts can be made current on and rendered with from secondary
threads, and the documentation explicitly states which functions may be used
from secondary threads and which may only be used from the main thread, i.e. the
thread that calls main.
@subsection moving_image Image and texture loading
The image and texture loading functions have been removed. They only supported
the Targa image format, making them mostly useful for beginner level examples.
To become of sufficiently high quality to warrant keeping them in GLFW 3, they
would need not only to support other formats, but also modern extensions to the
OpenGL texturing facilities. This would either add a number of external
dependencies (libjpeg, libpng, etc.), or force GLFW to ship with inline versions
of these libraries.
As there already are libraries doing this, it seems unnecessary both to
duplicate this work and to tie this duplicate to GLFW. Projects similar to
GLFW, such as freeglut, could also gain from such a library. Also, would be no
platform-specific part of such a library, as both OpenGL and stdio are available
wherever GLFW is.
@subsection moving_char_up Character actions
The action parameter of the [character callback](@ref GLFWcharfun) has been
removed. This was an artefact of the origin of GLFW, i.e. being developed in
English by a Swede. However, many keyboard layouts require more than one key to
produce characters with diacritical marks. Even the Swedish keyboard layout
requires this for uncommon cases like ü.
Note that this is only the removal of the *action parameter* of the character
callback, *not* the removal of the character callback itself.
@subsection moving_wheel Mouse wheel position
The `glfwGetMouseWheel` function has been removed. Scroll events do not
represent an absolute state, but is instead an interpretation of a relative
change in state, like character input. So, like character input, there is no
sane 'current state' to return. The mouse wheel callback has been replaced by
a [scroll callback](@ref GLFWscrollfun) that receives two-dimensional scroll
offsets.
@subsection moving_stdcall GLFWCALL macro
The `GLFWCALL` macro, which made callback functions use
[__stdcall](http://msdn.microsoft.com/en-us/library/zxk0tw93.aspx) on Windows,
has been removed. GLFW is written in C, not Pascal. Removing this macro means
there's one less thing for users of GLFW to remember, i.e. the requirement to
mark all callback functions with `GLFWCALL`. It also simplifies the creation of
DLLs and DLL link libraries, as there's no need to explicitly disable `@n` entry
point suffixes.
@subsection moving_mbcs Win32 MBCS support
The Win32 port of GLFW 3 will not compile in
[MBCS mode](http://msdn.microsoft.com/en-us/library/5z097dxa.aspx).
However, because the use of the Unicode version of the Win32 API doesn't affect
the process as a whole, but only those windows created using it, it's perfectly
possible to call MBCS functions from other parts of the same application.
Therefore, even if an application using GLFW has MBCS mode code, there's no need
for GLFW itself to support it.
@subsection moving_windows Support for versions of Windows older than XP
All explicit support for version of Windows older than XP has been removed.
There is no code that actively prevents GLFW 3 from running on these earlier
versions, but it uses Win32 functions that those versions lack.
Windows XP was released in 2001, and by now (2013) it has not only
replaced almost all earlier versions of Windows, but is itself rapidly being
replaced by Windows 7 and 8. The MSDN library doesn't even provide
documentation for version older than Windows 2000, making it difficult to
maintain compatibility with these versions even if it was deemed worth the
effort.
The Win32 API has also not stood still, and GLFW 3 uses many functions only
present on Windows XP or later. Even supporting an OS as new as XP (new
from the perspective of GLFW 2, which still supports Windows 95) requires
runtime checking for a number of functions that are present only on modern
version of Windows.
@subsection moving_syskeys Capture of system-wide hotkeys
The ability to disable and capture system-wide hotkeys like Alt+Tab has been
removed. Modern applications, whether they're games, scientific visualisations
or something else, are nowadays expected to be good desktop citizens and allow
these hotkeys to function even when running in full screen mode.
@subsection moving_opened Window open parameter
The `GLFW_OPENED` window parameter has been removed. As long as the
[window object](@ref window_object) is around, the window is "open". To detect
when the user attempts to close the window, see @ref glfwWindowShouldClose and
the [close callback](@ref GLFWwindowclosefun).
@subsection moving_autopoll Automatic polling of events
GLFW 3 does not automatically poll for events on @ref glfwSwapBuffers, which
means you need to call @ref glfwPollEvents or @ref glfwWaitEvents yourself.
Unlike buffer swap, the event processing functions act on all windows at once.
@subsection moving_terminate Automatic termination
GLFW 3 does not register @ref glfwTerminate with `atexit` at initialization. To
properly release all resources allocated by GLFW, you should therefore call @ref
glfwTerminate yourself before exiting.
@subsection moving_glu GLU header inclusion
GLFW 3 does not include the GLU header by default and GLU itself has been
deprecated, but you can request that the GLFW 3 header includes it by defining
`GLFW_INCLUDE_GLU` before the inclusion of the GLFW 3 header.
@section moving_changed Changes to existing features
@subsection moving_window_handles Window handles
Because GLFW 3 supports multiple windows, window handle parameters have been
added to all window-related GLFW functions and callbacks. The handle of
a newly created window is returned by @ref glfwCreateWindow (formerly
`glfwOpenWindow`). Window handles are of the `GLFWwindow*` type, i.e. a pointer
to an opaque struct.
@subsection moving_monitor Multi-monitor support
GLFW 3 provides support for multiple monitors, adding the `GLFWmonitor*` handle
type and a set of related functions. To request a full screen mode window,
instead of passing `GLFW_FULLSCREEN` you specify which monitor you wish the
window to use. There is @ref glfwGetPrimaryMonitor that provides behaviour
similar to that of GLFW 2.
@subsection moving_window_close Window closing
Window closing initiated by the user is now just an event like any other.
Unlike GLFW 2, windows and contexts created with GLFW 3 will not disappear from
underfoot. Each window now has a close flag, which is set when the user
attempts to close it. By default, nothing else happens and the window stays
open and visible. It is then up to you to either destroy the window, take some
other action or simply ignore the request. You can query the close flag at any
time with @ref glfwWindowShouldClose and set it at any time with @ref
glfwSetWindowShouldClose.
The close callback no longer returns a value. Instead, it is called after the
close flag has been set so it can override its value, if it chooses to, before
event processing completes. You may however not call @ref glfwDestroyWindow
from the close callback (or any other window related callback).
GLFW itself never clears the close flag, allowing you to set it for other
reasons for the window to close as well, for example the user choosing Quit from
the main menu.
@subsection moving_context Explicit context management
Each GLFW 3 window has its own OpenGL context and only you, the user, can know
which context should be current on which thread at any given time. Therefore,
GLFW 3 makes no assumptions about when you want a certain context to be current,
leaving that decision to you.
This means, among other things, that you need to call @ref
glfwMakeContextCurrent after creating a window before you can call any OpenGL
functions.
@subsection moving_repeat Key repeat
The `GLFW_KEY_REPEAT` enable has been removed and key repeat is always enabled
for both keys and characters. A new key action, `GLFW_REPEAT`, has been added
to allow the [key callback](@ref GLFWkeyfun) to distinguish an initial key press
from a repeat. Note that @ref glfwGetKey still returns only `GLFW_PRESS` or
`GLFW_RELEASE`.
@subsection moving_keys Physical key input
GLFW 3 key tokens map to physical keys, unlike in GLFW 2 where they mapped to
the values generated by the current keyboard layout. The tokens are named
according to the values they would have using the standard US layout, but this
is only a convenience, as most programmers are assumed to know that layout.
This means that (for example) `GLFW_KEY_LEFT_BRACKET` is always a single key and
is the same key in the same place regardless of what keyboard layouts the users
of your program has.
The key input facility was never meant for text input, although using it that
way worked slightly better in GLFW 2. If you were using it to input text, you
should be using the character callback instead, on both GLFW 2 and 3. This will
give you the characters being input, as opposed to the keys being pressed.
GLFW 3 has key tokens for all keys on a standard 105 key keyboard, so instead of
having to remember whether to check for `'a'` or `'A'`, you now check for
`GLFW_KEY_A`.
@subsection moving_joystick Joystick input
The `glfwGetJoystickPos` function has been renamed to @ref glfwGetJoystickAxes.
The `glfwGetJoystickParam` function and the `GLFW_PRESENT`, `GLFW_AXES` and
`GLFW_BUTTONS` tokens have been replaced by the @ref glfwJoystickPresent
function as well as axis and button counts returned by the @ref
glfwGetJoystickAxes and @ref glfwGetJoystickButtons functions.
@subsection moving_video_modes Video mode enumeration
Video mode enumeration is now per-monitor. The @ref glfwGetVideoModes function
now returns all available modes for a specific monitor instead of requiring you
to guess how large an array you need. The `glfwGetDesktopMode` function, which
had poorly defined behavior, has been replaced by @ref glfwGetVideoMode, which
returns the current mode of a monitor.
@subsection moving_cursor Cursor positioning
GLFW 3 only allows you to position the cursor within a window using @ref
glfwSetCursorPos (formerly `glfwSetMousePos`) when that window is active.
Unless the window is active, the function fails silently.
@subsection moving_hints Persistent window hints
Window hints are no longer reset to their default values on window creation, but
instead retain their values until modified by @ref glfwWindowHint (formerly
`glfwOpenWindowHint`) or @ref glfwDefaultWindowHints, or until the library is
terminated and re-initialized.
@section moving_renamed Name changes
@subsection moving_renamed_files Library and header file
The GLFW 3 header is named @ref glfw3.h and moved to the `GLFW` directory, to
avoid collisions with the headers of other major versions. Similarly, the GLFW
3 library is named `glfw3,` except when it's installed as a shared library on
Unix-like systems, where it uses the
[soname](https://en.wikipedia.org/wiki/soname) `libglfw.so.3`.
@subsection moving_renamed_functions Functions
| GLFW 2 | GLFW 3 | Notes |
| --------------------------- | ----------------------------- | ----- |
| `glfwOpenWindow` | @ref glfwCreateWindow | All channel bit depths are now hints
| `glfwCloseWindow` | @ref glfwDestroyWindow | |
| `glfwOpenWindowHint` | @ref glfwWindowHint | Now accepts all `GLFW_*_BITS` tokens |
| `glfwEnable` | @ref glfwSetInputMode | |
| `glfwDisable` | @ref glfwSetInputMode | |
| `glfwGetMousePos` | @ref glfwGetCursorPos | |
| `glfwSetMousePos` | @ref glfwSetCursorPos | |
| `glfwSetMousePosCallback` | @ref glfwSetCursorPosCallback | |
| `glfwSetMouseWheelCallback` | @ref glfwSetScrollCallback | Accepts two-dimensional scroll offsets as doubles |
| `glfwGetJoystickPos` | @ref glfwGetJoystickAxes | |
| `glfwGetWindowParam` | @ref glfwGetWindowAttrib | |
| `glfwGetGLVersion` | @ref glfwGetWindowAttrib | Use `GLFW_CONTEXT_VERSION_MAJOR`, `GLFW_CONTEXT_VERSION_MINOR` and `GLFW_CONTEXT_REVISION` |
| `glfwGetDesktopMode` | @ref glfwGetVideoMode | Returns the current mode of a monitor |
| `glfwGetJoystickParam` | @ref glfwJoystickPresent | The axis and button counts are provided by @ref glfwGetJoystickAxes and @ref glfwGetJoystickButtons |
@subsection moving_renamed_tokens Tokens
| GLFW 2 | GLFW 3 | Notes |
| --------------------------- | ---------------------------- | ----- |
| `GLFW_OPENGL_VERSION_MAJOR` | `GLFW_CONTEXT_VERSION_MAJOR` | Renamed as it applies to OpenGL ES as well |
| `GLFW_OPENGL_VERSION_MINOR` | `GLFW_CONTEXT_VERSION_MINOR` | Renamed as it applies to OpenGL ES as well |
| `GLFW_FSAA_SAMPLES` | `GLFW_SAMPLES` | Renamed to match the OpenGL API |
| `GLFW_ACTIVE` | `GLFW_FOCUSED` | Renamed to match the window focus callback |
| `GLFW_WINDOW_NO_RESIZE` | `GLFW_RESIZABLE` | The default has been inverted |
| `GLFW_MOUSE_CURSOR` | `GLFW_CURSOR` | Used with @ref glfwSetInputMode |
| `GLFW_KEY_ESC` | `GLFW_KEY_ESCAPE` | |
| `GLFW_KEY_DEL` | `GLFW_KEY_DELETE` | |
| `GLFW_KEY_PAGEUP` | `GLFW_KEY_PAGE_UP` | |
| `GLFW_KEY_PAGEDOWN` | `GLFW_KEY_PAGE_DOWN` | |
| `GLFW_KEY_KP_NUM_LOCK` | `GLFW_KEY_NUM_LOCK` | |
| `GLFW_KEY_LCTRL` | `GLFW_KEY_LEFT_CONTROL` | |
| `GLFW_KEY_LSHIFT` | `GLFW_KEY_LEFT_SHIFT` | |
| `GLFW_KEY_LALT` | `GLFW_KEY_LEFT_ALT` | |
| `GLFW_KEY_LSUPER` | `GLFW_KEY_LEFT_SUPER` | |
| `GLFW_KEY_RCTRL` | `GLFW_KEY_RIGHT_CONTROL` | |
| `GLFW_KEY_RSHIFT` | `GLFW_KEY_RIGHT_SHIFT` | |
| `GLFW_KEY_RALT` | `GLFW_KEY_RIGHT_ALT` | |
| `GLFW_KEY_RSUPER` | `GLFW_KEY_RIGHT_SUPER` | |
*/

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/*!
@page news New features
@tableofcontents
@section news_30 New features in version 3.0
@subsection news_30_cmake CMake build system
GLFW now uses the CMake build system instead of the various makefiles and
project files used by earlier versions. CMake is available for all platforms
supported by GLFW, is present in most package systems and can generate
makefiles and/or project files for most popular development environments.
For more information on how to use CMake, see the
[CMake manual](http://cmake.org/cmake/help/documentation.html).
@subsection news_30_multiwnd Multi-window support
GLFW now supports the creation of multiple windows, each with their own OpenGL
or OpenGL ES context, and all window functions now take a window handle. Event
callbacks are now per-window and are provided with the handle of the window that
received the event. The @ref glfwMakeContextCurrent function has been added to
select which context is current on a given thread.
@subsection news_30_multimon Multi-monitor support
GLFW now explicitly supports multiple monitors. They can be enumerated with
@ref glfwGetMonitors, queried with @ref glfwGetVideoModes, @ref
glfwGetMonitorPos, @ref glfwGetMonitorName and @ref glfwGetMonitorPhysicalSize,
and specified at window creation to make the newly created window full screen on
that specific monitor.
@subsection news_30_unicode Unicode support
All string arguments to GLFW functions and all strings returned by GLFW now use
the UTF-8 encoding. This includes the window title, error string, clipboard
text, monitor and joystick names as well as the extension function arguments (as
ASCII is a subset of UTF-8).
@subsection news_30_clipboard Clipboard text I/O
GLFW now supports reading and writing plain text to and from the system
clipboard, with the @ref glfwGetClipboardString and @ref glfwSetClipboardString
functions.
@subsection news_30_gamma Gamma ramp support
GLFW now supports setting and reading back the gamma ramp of monitors, with the
@ref glfwGetGammaRamp and @ref glfwSetGammaRamp functions. There is also @ref
glfwSetGamma, which generates a ramp from a gamma value and then sets it.
@subsection news_30_gles OpenGL ES support
GLFW now supports the creation of OpenGL ES contexts, by setting the
`GLFW_CLIENT_API` window hint to `GLFW_OPENGL_ES_API`, where creation of such
contexts are supported. Note that GLFW *does not implement* OpenGL ES, so your
driver must provide support in a way usable by GLFW. Modern nVidia and Intel
drivers support creation of OpenGL ES context using the GLX and WGL APIs, while
AMD provides an EGL implementation instead.
@subsection news_30_egl (Experimental) EGL support
GLFW now has an experimental EGL context creation back end that can be selected
through CMake options.
@subsection news_30_hidpi High-DPI support
GLFW now supports high-DPI monitors on both Windows and OS X, giving windows full
resolution framebuffers where other UI elements are scaled up. To achieve this,
@ref glfwGetFramebufferSize and @ref glfwSetFramebufferSizeCallback have been
added. These work with pixels, while the rest of the GLFW API works with screen
coordinates.
@subsection news_30_error Error callback
GLFW now has an error callback, which can provide your application with much
more detailed diagnostics than was previously possible. The callback is passed
an error code and a description string.
@subsection news_30_wndptr Per-window user pointer
Each window now has a user-defined pointer, retrieved with @ref
glfwGetWindowUserPointer and set with @ref glfwSetWindowUserPointer, to make it
easier to integrate GLFW into C++ code.
@subsection news_30_iconifyfun Window iconification callback
Each window now has a callback for iconification and restoration events,
which is set with @ref glfwSetWindowIconifyCallback.
@subsection news_30_wndposfun Window position callback
Each window now has a callback for position events, which is set with @ref
glfwSetWindowPosCallback.
@subsection news_30_wndpos Window position query
The position of a window can now be retrieved using @ref glfwGetWindowPos.
@subsection news_30_focusfun Window focus callback
Each windows now has a callback for focus events, which is set with @ref
glfwSetWindowFocusCallback.
@subsection news_30_enterleave Cursor enter/leave callback
Each window now has a callback for when the mouse cursor enters or leaves its
client area, which is set with @ref glfwSetCursorEnterCallback.
@subsection news_30_wndtitle Initial window title
The title of a window is now specified at creation time, as one of the arguments
to @ref glfwCreateWindow.
@subsection news_30_hidden Hidden windows
Windows can now be hidden with @ref glfwHideWindow, shown using @ref
glfwShowWindow and created initially hidden with the `GLFW_VISIBLE` window hint.
This allows for off-screen rendering in a way compatible with most drivers, as
well as moving a window to a specific position before showing it.
@subsection news_30_undecorated Undecorated windows
Windowed mode windows can now be created without decorations, i.e. things like
a frame, a title bar, with the `GLFW_DECORATED` window hint. This allows for
the creation of things like splash screens.
@subsection news_30_keymods Modifier key bit masks
[Modifier key bit mask](@ref mods) parameters have been added to the
[mouse button](@ref GLFWmousebuttonfun) and [key](@ref GLFWkeyfun) callbacks.
@subsection news_30_scancode Platform-specific scancodes
A scancode parameter has been added to the [key callback](@ref GLFWkeyfun). Keys
that don't have a [key token](@ref keys) still get passed on with the key
parameter set to `GLFW_KEY_UNKNOWN`. These scancodes will vary between machines
and are intended to be used for key bindings.
@subsection news_30_jsname Joystick names
The name of a joystick can now be retrieved using @ref glfwGetJoystickName.
@subsection news_30_doxygen Doxygen documentation
You are reading it.
*/

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/*!
@page quick Getting started
@tableofcontents
This guide will show how to write simple OpenGL applications using GLFW 3. It
will introduce a few of the most commonly used functions, but there are many
others. To see detailed documentation on any GLFW function, just click on its
name.
This guide assumes no experience with earlier versions of GLFW. If you
have used GLFW 2.x in the past, you should also read the
[transition guide](@ref moving).
@section quick_include Including the GLFW header
In the files of your program where you use OpenGL or GLFW, you need to include
the GLFW 3 header file.
@code
#include <GLFW/glfw3.h>
@endcode
This defines all the constants, types and function prototypes of the GLFW API.
It also includes the OpenGL header, and defines all the constants and types
necessary for it to work on your platform.
For example, under Windows you are normally required to include `windows.h`
before including `GL/gl.h`. This would make your source file tied to Windows
and pollute your code's namespace with the whole Win32 API.
Instead, the GLFW header takes care of this for you, not by including
`windows.h`, but rather by itself duplicating only the necessary parts of it.
It does this only where needed, so if `windows.h` *is* included, the GLFW header
does not try to redefine those symbols.
In other words:
- Do *not* include the OpenGL headers yourself, as GLFW does this for you
- Do *not* include `windows.h` or other platform-specific headers unless
you plan on using those APIs directly
- If you *do* need to include such headers, do it *before* including the
GLFW one and it will detect this
Starting with version 3.0, the GLU header `glu.h` is no longer included by
default. If you wish to include it, define `GLFW_INCLUDE_GLU` before the
inclusion of the GLFW header.
@code
#define GLFW_INCLUDE_GLU
#include <GLFW/glfw3.h>
@endcode
@section quick_init_term Initializing and terminating GLFW
Before you can use most GLFW functions, the library must be initialized. This
is done with @ref glfwInit, which returns non-zero if successful, or zero if an
error occurred.
@code
if (!glfwInit())
exit(EXIT_FAILURE);
@endcode
When you are done using GLFW, typically at the very end of the program, you need
to call @ref glfwTerminate.
@code
glfwTerminate();
@endcode
This destroys any remaining windows and releases any other resources allocated by
GLFW. After this call, you must call @ref glfwInit again before using any GLFW
functions that require it.
@section quick_capture_error Setting an error callback
Most events are reported through callbacks, whether it's a key being pressed,
a GLFW window being moved, or an error occurring. Callbacks are simply
C functions (or C++ static methods) that are called by GLFW with arguments
describing the event.
In case @ref glfwInit or any other GLFW function fails, an error is reported to
the GLFW error callback. You can receive these reports by setting the error
callback. The callback function itself should match the signature of @ref
GLFWerrorfun. Here is a simple error callback that just prints the error
description to `stderr`.
@code
void error_callback(int error, const char* description)
{
fputs(description, stderr);
}
@endcode
Setting the callback, so GLFW knows to call it, is done with @ref
glfwSetErrorCallback. This is one of the few GLFW functions that may be called
before @ref glfwInit, which lets you be notified of errors during
initialization, so you should set it before you do anything else with GLFW.
@code
glfwSetErrorCallback(error_callback);
@endcode
@section quick_create_window Creating a window and context
The window (and its context) is created with @ref glfwCreateWindow, which
returns a handle to the created window. For example, this creates a 640 by 480
windowed mode window:
@code
GLFWwindow* window = glfwCreateWindow(640, 480, "My Title", NULL, NULL);
@endcode
If window creation fails, `NULL` will be returned, so you need to check whether
it did.
@code
if (!window)
{
glfwTerminate();
exit(EXIT_FAILURE);
}
@endcode
This handle is then passed to all window related functions, and is provided to
you along with input events, so you know which window received the input.
To create a full screen window, you need to specify which monitor the window
should use. In most cases, the user's primary monitor is a good choice. You
can get this with @ref glfwGetPrimaryMonitor. To make the above window
full screen, just pass along the monitor handle:
@code
GLFWwindow* window = glfwCreateWindow(640, 480, "My Title", glfwGetPrimaryMonitor(), NULL);
@endcode
Full screen windows cover the entire display area of a monitor, have no border
or decorations, and change the monitor's resolution to the one most closely
matching the requested window size.
When you are done with the window, destroy it with the @ref glfwDestroyWindow
function.
@code
glfwDestroyWindow(window);
@endcode
Once this function is called, no more events will be delivered for that window
and its handle becomes invalid.
@section quick_context_current Making the OpenGL context current
Before you can use the OpenGL API, it must have a current OpenGL context. You
make a window's context current with @ref glfwMakeContextCurrent. It will then
remain as the current context until you make another context current or until
the window owning it is destroyed.
@code
glfwMakeContextCurrent(window);
@endcode
@section quick_window_close Checking the window close flag
Each window has a flag indicating whether the window should be closed. This can
be checked with @ref glfwWindowShouldClose.
When the user attempts to close the window, either by pressing the close widget
in the title bar or using a key combination like Alt+F4, this flag is set to 1.
Note that **the window isn't actually closed**, so you are expected to monitor
this flag and either destroy the window or give some kind of feedback to the
user.
@code
while (!glfwWindowShouldClose(window))
{
// Keep running
}
@endcode
You can be notified when user is attempting to close the window by setting
a close callback with @ref glfwSetWindowCloseCallback. The callback will be
called immediately after the close flag has been set.
You can also set it yourself with @ref glfwSetWindowShouldClose. This can be
useful if you want to interpret other kinds of input as closing the window, like
for example pressing the escape key.
@section quick_key_input Receiving input events
Each window has a large number of callbacks that can be set to receive all the
various kinds of events. To receive key press and release events, a
[key callback](@ref GLFWkeyfun) is set using @ref glfwSetKeyCallback.
@code
static void key_callback(GLFWwindow* window, int key, int scancode, int action, int mods)
{
if (key == GLFW_KEY_ESCAPE && action == GLFW_PRESS)
glfwSetWindowShouldClose(window, GL_TRUE);
}
@endcode
For event callbacks to actually be called when an event occurs, you need to
process events as described below.
@section quick_render Rendering with OpenGL
Once you have a current OpenGL context, you can use OpenGL normally. In this
tutorial, a multi-colored rotating triangle will be rendered. The framebuffer
size, needed by this example for `glViewport` and `glOrtho`, is retrieved with
@ref glfwGetFramebufferSize.
@code
int width, height;
glfwGetFramebufferSize(window, &width, &height);
glViewport(0, 0, width, height);
@endcode
However, you can also set a framebuffer size callback using @ref
glfwSetFramebufferSizeCallback and call `glViewport` from there.
@code
void framebuffer_size_callback(GLFWwindow* window, int width, int height)
{
glViewport(0, 0, width, height);
}
@endcode
@section quick_timer Reading the timer
For the triangle to rotate properly, a time source is needed. GLFW provides
@ref glfwGetTime, which returns the number of seconds since @ref glfwInit as
a `double`. The time source used is the most accurate on each platform and
generally has micro- or nanosecond resolution.
@code
double time = glfwGetTime();
@endcode
@section quick_swap_buffers Swapping buffers
GLFW windows always use double-buffering. That means that you have two
rendering buffers; a front buffer and a back buffer. The front buffer is the
one being displayed and the back buffer the one you render to.
When the entire frame has been rendered, it is time to swap the back and the
front buffers in order to display the rendered frame, and begin rendering a new
frame. This is done with @ref glfwSwapBuffers.
@code
glfwSwapBuffers(window);
@endcode
@section quick_process_events Processing events
GLFW needs to communicate regularly with the window system both in order to
receive events and to show that it hasn't locked up. Event processing must be
done regularly and is normally done each frame before rendering but after buffer
swap.
There are two ways to process pending events. @ref glfwPollEvents processes
only those events that have already been received and then returns immediately.
This is the best choice when rendering continually, like most games do.
@code
glfwPollEvents();
@endcode
If instead you only need to update your rendering once you have received new
input, @ref glfwWaitEvents is a better choice. It waits until at least one
event has been received, putting the thread to sleep in the meantime, and then
processes all received events just like @ref glfwPollEvents does. This saves
a great deal of CPU cycles and is useful for, for example, many kinds of editing
tools.
@code
glfwWaitEvents();
@endcode
@section quick_example Putting it together: A small GLFW application
Now that you know how to initialize GLFW, create a window and poll for
keyboard input, it's possible to create a simple program.
@snippet simple.c code
This program creates a 640 by 480 windowed mode window and runs a loop clearing
the screen, rendering a triangle and processing events until the user closes the
window. It can be found in the source distribution as `examples/simple.c`, and
is by default compiled along with all other examples when you build GLFW.
To learn more about how to compile and link programs that use GLFW, see
@ref build.
*/

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/*!
@page window Window handling guide
@tableofcontents
The primary purpose of GLFW is to provide a simple interface to window
management and OpenGL and OpenGL ES context creation. GLFW supports multiple
windows, which can be either a normal desktop window or a full screen window.
@section window_object Window handles
The @ref GLFWwindow object encapsulates both a window and a context. They are
created with @ref glfwCreateWindow and destroyed with @ref glfwDestroyWindow (or
@ref glfwTerminate, if any remain). As the window and context are inseparably
linked, the object pointer is used as both a context and window handle.
@section window_creation Window creation
The window and its context are created with @ref glfwCreateWindow, which
returns a handle to the created window object. For example, this creates a 640
by 480 windowed mode window:
@code
GLFWwindow* window = glfwCreateWindow(640, 480, "My Title", NULL, NULL);
@endcode
If window creation fails, `NULL` will be returned, so you need to check whether
it did.
This handle is then passed to all window related functions, and is provided to
you along with input events, so you know which window received the input.
To create a full screen window, you need to specify which monitor the window
should use. In most cases, the user's primary monitor is a good choice. For
more information about monitors, see the @ref monitor.
@code
GLFWwindow* window = glfwCreateWindow(640, 480, "My Title", glfwGetPrimaryMonitor(), NULL);
@endcode
Full screen windows cover the entire display area of a monitor, have no border
or decorations, and change the monitor's resolution to the one most closely
matching the requested window size.
For more control over how the window and its context are created, see @ref
window_hints below.
@section window_destruction Window destruction
When you are done with the window, destroy it with the @ref glfwDestroyWindow
function.
@code
glfwDestroyWindow(window);
@endcode
Once this function is called, no more events will be delivered for that window
and its handle becomes invalid.
@section window_userptr Window user pointer
Each window has a user pointer that can be set with @ref
glfwSetWindowUserPointer and fetched with @ref glfwGetWindowUserPointer. This
can be used for any purpose you need and will not modified by GLFW throughout
the life-time of the window.
@section window_hints Window creation hints
There are a number of hints that can be set before the creation of a window and
context. Some affect the window itself, others affect the framebuffer or
context. These hints are set to their default values each time the library is
initialized with @ref glfwInit, can be set individually with @ref glfwWindowHint
and reset all at once to their defaults with @ref glfwDefaultWindowHints.
Note that hints need to be set *before* the creation of the window and context
you wish to have the specified attributes.
@subsection window_hints_hard Hard and soft constraints
Some window hints are hard constraints. These must match the available
capabilities *exactly* for window and context creation to succeed. Hints
that are not hard constraints are matched as closely as possible, but the
resulting window and context may differ from what these hints requested. To
find out the actual attributes of the created window and context, use the
@ref glfwGetWindowAttrib function.
The following hints are hard constraints:
- `GLFW_STEREO`
- `GLFW_CLIENT_API`
The following additional hints are hard constraints if requesting an OpenGL
context:
- `GLFW_OPENGL_FORWARD_COMPAT`
- `GLFW_OPENGL_PROFILE`
Hints that do not apply to a given type of window or context are ignored.
@subsection window_hints_wnd Window related hints
The `GLFW_RESIZABLE` hint specifies whether the window will be resizable *by the
user*. The window will still be resizable using the @ref glfwSetWindowSize
function. This hint is ignored for full screen windows.
The `GLFW_VISIBLE` hint specifies whether the window will be initially
visible. This hint is ignored for full screen windows.
The `GLFW_DECORATED` hint specifies whether the window will have window
decorations such as a border, a close widget, etc. This hint is ignored for
full screen windows. Note that even though a window may lack a close widget, it
is usually still possible for the user to generate close events.
@subsection window_hints_fb Framebuffer related hints
The `GLFW_RED_BITS`, `GLFW_GREEN_BITS`, `GLFW_BLUE_BITS`, `GLFW_ALPHA_BITS`,
`GLFW_DEPTH_BITS` and `GLFW_STENCIL_BITS` hints specify the desired bit
depths of the various components of the default framebuffer.
The `GLFW_ACCUM_RED_BITS`, `GLFW_ACCUM_GREEN_BITS`, `GLFW_ACCUM_BLUE_BITS`
and `GLFW_ACCUM_ALPHA_BITS` hints specify the desired bit depths of the
various components of the accumulation buffer.
The `GLFW_AUX_BUFFERS` hint specifies the desired number of auxiliary
buffers.
The `GLFW_STEREO` hint specifies whether to use stereoscopic rendering.
The `GLFW_SAMPLES` hint specifies the desired number of samples to use for
multisampling. Zero disables multisampling.
The `GLFW_SRGB_CAPABLE` hint specifies whether the framebuffer should be
sRGB capable.
The `GLFW_REFRESH_RATE` hint specifies the desired refresh rate for full screen
windows. If set to zero, the highest available refresh rate will be used. This
hint is ignored for windowed mode windows.
@subsection window_hints_ctx Context related hints
The `GLFW_CLIENT_API` hint specifies which client API to create the context
for. Possible values are `GLFW_OPENGL_API` and `GLFW_OPENGL_ES_API`.
The `GLFW_CONTEXT_VERSION_MAJOR` and `GLFW_CONTEXT_VERSION_MINOR` hints
specify the client API version that the created context must be compatible
with.
For OpenGL, these hints are *not* hard constraints, as they don't have to
match exactly, but @ref glfwCreateWindow will still fail if the resulting
OpenGL version is less than the one requested. It is therefore perfectly
safe to use the default of version 1.0 for legacy code and you may still
get backwards-compatible contexts of version 3.0 and above when available.
While there is no way to ask the driver for a context of the highest supported
version, most drivers provide this when you ask GLFW for a version
1.0 context.
For OpenGL ES, these hints are hard constraints.
If an OpenGL context is requested, the `GLFW_OPENGL_FORWARD_COMPAT` hint
specifies whether the OpenGL context should be forward-compatible, i.e. one
where all functionality deprecated in the requested version of OpenGL is
removed. This may only be used if the requested OpenGL version is 3.0 or
above. If another client API is requested, this hint is ignored.
If an OpenGL context is requested, the `GLFW_OPENGL_DEBUG_CONTEXT` hint
specifies whether to create a debug OpenGL context, which may have
additional error and performance issue reporting functionality. If another
client API is requested, this hint is ignored.
If an OpenGL context is requested, the `GLFW_OPENGL_PROFILE` hint specifies
which OpenGL profile to create the context for. Possible values are one of
`GLFW_OPENGL_CORE_PROFILE` or `GLFW_OPENGL_COMPAT_PROFILE`, or
`GLFW_OPENGL_ANY_PROFILE` to not request a specific profile. If requesting
an OpenGL version below 3.2, `GLFW_OPENGL_ANY_PROFILE` must be used. If
another client API is requested, this hint is ignored.
The `GLFW_CONTEXT_ROBUSTNESS` hint specifies the robustness strategy to be
used by the context. This can be one of `GLFW_NO_RESET_NOTIFICATION` or
`GLFW_LOSE_CONTEXT_ON_RESET`, or `GLFW_NO_ROBUSTNESS` to not request
a robustness strategy.
@subsection window_hints_values Supported and default values
| Name | Default value | Supported values |
| ---------------------------- | ------------------------- | ----------------------- |
| `GLFW_RESIZABLE` | `GL_TRUE` | `GL_TRUE` or `GL_FALSE` |
| `GLFW_VISIBLE` | `GL_TRUE` | `GL_TRUE` or `GL_FALSE` |
| `GLFW_DECORATED` | `GL_TRUE` | `GL_TRUE` or `GL_FALSE` |
| `GLFW_RED_BITS` | 8 | 0 to `INT_MAX` |
| `GLFW_GREEN_BITS` | 8 | 0 to `INT_MAX` |
| `GLFW_BLUE_BITS` | 8 | 0 to `INT_MAX` |
| `GLFW_ALPHA_BITS` | 8 | 0 to `INT_MAX` |
| `GLFW_DEPTH_BITS` | 24 | 0 to `INT_MAX` |
| `GLFW_STENCIL_BITS` | 8 | 0 to `INT_MAX` |
| `GLFW_ACCUM_RED_BITS` | 0 | 0 to `INT_MAX` |
| `GLFW_ACCUM_GREEN_BITS` | 0 | 0 to `INT_MAX` |
| `GLFW_ACCUM_BLUE_BITS` | 0 | 0 to `INT_MAX` |
| `GLFW_ACCUM_ALPHA_BITS` | 0 | 0 to `INT_MAX` |
| `GLFW_AUX_BUFFERS` | 0 | 0 to `INT_MAX` |
| `GLFW_SAMPLES` | 0 | 0 to `INT_MAX` |
| `GLFW_REFRESH_RATE` | 0 | 0 to `INT_MAX` |
| `GLFW_STEREO` | `GL_FALSE` | `GL_TRUE` or `GL_FALSE` |
| `GLFW_SRGB_CAPABLE` | `GL_FALSE` | `GL_TRUE` or `GL_FALSE` |
| `GLFW_CLIENT_API` | `GLFW_OPENGL_API` | `GLFW_OPENGL_API` or `GLFW_OPENGL_ES_API` |
| `GLFW_CONTEXT_VERSION_MAJOR` | 1 | Any valid major version number of the chosen client API |
| `GLFW_CONTEXT_VERSION_MINOR` | 0 | Any valid minor version number of the chosen client API |
| `GLFW_CONTEXT_ROBUSTNESS` | `GLFW_NO_ROBUSTNESS` | `GLFW_NO_ROBUSTNESS`, `GLFW_NO_RESET_NOTIFICATION` or `GLFW_LOSE_CONTEXT_ON_RESET` |
| `GLFW_OPENGL_FORWARD_COMPAT` | `GL_FALSE` | `GL_TRUE` or `GL_FALSE` |
| `GLFW_OPENGL_DEBUG_CONTEXT` | `GL_FALSE` | `GL_TRUE` or `GL_FALSE` |
| `GLFW_OPENGL_PROFILE` | `GLFW_OPENGL_ANY_PROFILE` | `GLFW_OPENGL_ANY_PROFILE`, `GLFW_OPENGL_COMPAT_PROFILE` or `GLFW_OPENGL_CORE_PROFILE` |
@section window_close Window close flag
When the user attempts to close the window, for example by clicking the close
widget or using a key chord like Alt+F4, the *close flag* of the window is set.
The window is however not actually destroyed and, unless you watch for this
state change, nothing further happens.
The current state of the close flag is returned by @ref glfwWindowShouldClose
and can be set or cleared directly with @ref glfwSetWindowShouldClose. A common
pattern is to use the close flag as a main loop condition.
@code
while (!glfwWindowShouldClose(window))
{
render(window);
glfwSwapBuffers(window);
glfwPollEvents();
}
@endcode
If you wish to be notified when the user attempts to close a window, you can set
the close callback with @ref glfwSetWindowCloseCallback. This callback is
called directly *after* the close flag has been set.
@code
glfwSetWindowCloseCallback(window, window_close_callback);
@endcode
The callback function can be used for example to filter close requests and clear
the close flag again unless certain conditions are met.
@code
void window_close_callback(GLFWwindow* window)
{
if (!time_to_close)
glfwSetWindowShouldClose(window, GL_FALSE);
}
@endcode
@section window_size Window size
The size of a window can be changed with @ref glfwSetWindowSize. For windowed
mode windows, this resizes the specified window so that its *client area* has
the specified size. Note that the window system may put limitations on size.
For full screen windows, it selects and sets the video mode most closely
matching the specified size.
@code
void glfwSetWindowSize(window, 640, 480);
@endcode
If you wish to be notified when a window is resized, whether by the user or
the system, you can set the size callback with @ref glfwSetWindowSizeCallback.
@code
glfwSetWindowSizeCallback(window, window_size_callback);
@endcode
The callback function receives the new size of the client area of the window.
@code
void window_size_callback(GLFWwindow* window, int width, int height)
{
}
@endcode
There is also @ref glfwGetWindowSize for directly retrieving the current size of
a window.
@code
int width, height;
glfwGetWindowSize(window, &width, &height);
@endcode
@section window_fbsize Window framebuffer size
While the size of a window is measured in screen coordinates, OpenGL works with
pixels. The size you pass into `glViewport`, for example, should be in pixels
and not screen coordinates. On some platforms screen coordinates and pixels are
the same, but this is not the case on all platforms supported by GLFW. There is
a second set of functions to retrieve the size in pixels of the framebuffer of
a window.
If you wish to be notified when the framebuffer of a window is resized, whether
by the user or the system, you can set the size callback with @ref
glfwSetFramebufferSizeCallback.
@code
glfwSetFramebufferSizeCallback(window, framebuffer_size_callback);
@endcode
The callback function receives the new size of the client area of the window,
which can for example be used to update the OpenGL viewport.
@code
void framebuffer_size_callback(GLFWwindow* window, int width, int height)
{
glViewport(0, 0, width, height);
}
@endcode
There is also @ref glfwGetFramebufferSize for directly retrieving the current
size of the framebuffer of a window.
@code
int width, height;
glfwGetFramebufferSize(window, &width, &height);
glViewport(0, 0, width, height);
@endcode
Note that the size of a framebuffer may change independently of the size of
a window, for example if the window is dragged between a regular monitor and
a high-DPI one.
@section window_pos Window position
The position of a windowed-mode window can be changed with @ref
glfwSetWindowPos. This moves the window so that the upper-left corner of its
client area has the specified screen coordinates. Note that the window system
may put limitations on placement.
@code
glfwSetWindowPos(window, 100, 100);
@endcode
If you wish to be notified when a window is moved, whether by the user or
the system, you can set the position callback with @ref glfwSetWindowPosCallback.
@code
glfwSetWindowPosCallback(window, window_pos_callback);
@endcode
The callback function receives the new position of the upper-left corner of its
client area.
@code
void window_size_callback(GLFWwindow* window, int xpos, int ypos)
{
}
@endcode
There is also @ref glfwGetWindowPos for directly retrieving the current position
of the client area of the window.
@code
int xpos, ypos;
glfwGetWindowPos(window, &xpos, &ypos);
@endcode
@section window_title Window title
All GLFW windows have a title, although undecorated or full screen windows may
not display it or only display it in a task bar or similar interface. To change
the title of a window, use @ref glfwSetWindowTitle.
@code
glfwSetWindowTitle(window, "My Window");
@endcode
The window title is a regular C string using the UTF-8 encoding. This means
for example that, as long as your source file is encoded as UTF-8, you can use
any Unicode characters.
@code
glfwSetWindowTitle(window, "さよなら絶望先生");
@endcode
@section window_attribs Window attributes
Windows have a number of attributes that can be returned using @ref
glfwGetWindowAttrib. Some reflect state that may change during the lifetime of
the window, while others reflect the corresponding hints and are fixed at the
time of creation.
@code
if (glfwGetWindowAttrib(window, GLFW_FOCUSED))
{
// window has input focus
}
@endcode
@subsection window_attribs_window Window attributes
The `GLFW_FOCUSED` attribute indicates whether the specified window currently
has input focus.
The `GLFW_ICONIFIED` attribute indicates whether the specified window is
currently iconified, whether by the user or with @ref glfwIconifyWindow.
The `GLFW_VISIBLE` attribute indicates whether the specified window is currently
visible. Window visibility can be controlled with @ref glfwShowWindow and @ref
glfwHideWindow and initial visibility is controlled by the
[window hint](@ref window_hints) with the same name.
The `GLFW_RESIZABLE` attribute indicates whether the specified window is
resizable *by the user*. This is controlled by the
[window hint](@ref window_hints) with the same name.
The `GLFW_DECORATED` attribute indicates whether the specified window has
decorations such as a border, a close widget, etc. This is controlled by the
[window hint](@ref window_hints) with the same name.
@subsection window_attribs_context Context attributes
The `GLFW_CLIENT_API` attribute indicates the client API provided by the
window's context; either `GLFW_OPENGL_API` or `GLFW_OPENGL_ES_API`.
The `GLFW_CONTEXT_VERSION_MAJOR`, `GLFW_CONTEXT_VERSION_MINOR` and
`GLFW_CONTEXT_REVISION` attributes indicate the client API version of the
window's context.
The `GLFW_OPENGL_FORWARD_COMPAT` attribute is `GL_TRUE` if the window's
context is an OpenGL forward-compatible one, or `GL_FALSE` otherwise.
The `GLFW_OPENGL_DEBUG_CONTEXT` attribute is `GL_TRUE` if the window's
context is an OpenGL debug context, or `GL_FALSE` otherwise.
The `GLFW_OPENGL_PROFILE` attribute indicates the OpenGL profile used by the
context. This is `GLFW_OPENGL_CORE_PROFILE` or `GLFW_OPENGL_COMPAT_PROFILE`
if the context uses a known profile, or `GLFW_OPENGL_ANY_PROFILE` if the
OpenGL profile is unknown or the context is for another client API. Note that
the returned profile may not match the profile bits of the context flags, as
GLFW will try other means of detecting the profile when no bits are set.
The `GLFW_CONTEXT_ROBUSTNESS` attribute indicates the robustness strategy
used by the context. This is `GLFW_LOSE_CONTEXT_ON_RESET` or
`GLFW_NO_RESET_NOTIFICATION` if the window's context supports robustness, or
`GLFW_NO_ROBUSTNESS` otherwise.
@section window_swap Swapping buffers
GLFW windows are always double buffered. That means that you have two
rendering buffers; a front buffer and a back buffer. The front buffer is
the one being displayed and the back buffer the one you render to.
When the entire frame has been rendered, it is time to swap the back and the
front buffers in order to display what has been rendered and begin rendering
a new frame. This is done with @ref glfwSwapBuffers.
@code
glfwSwapBuffers(window);
@endcode
Sometimes it can be useful to select when the buffer swap will occur. With the
function @ref glfwSwapInterval it is possible to select the minimum number of
monitor refreshes the driver should wait before swapping the buffers:
@code
glfwSwapInterval(1);
@endcode
If the interval is zero, the swap will take place immediately when @ref
glfwSwapBuffers is called without waiting for a refresh. Otherwise at least
interval retraces will pass between each buffer swap. Using a swap interval of
zero can be useful for benchmarking purposes, when it is not desirable to
measure the time it takes to wait for the vertical retrace. However, a swap
interval of one lets you avoid tearing.
Note that this may not work on all machines, as some drivers have
user-controlled settings that override any swap interval the application
requests. It is also by default disabled on Windows Vista and later when using
DWM (Aero), as using it there sometimes leads to severe jitter. You can
forcibly enable it for machines using DWM using @ref compile_options_win32.
*/

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link_libraries(glfw ${OPENGL_glu_LIBRARY})
if (BUILD_SHARED_LIBS)
add_definitions(-DGLFW_DLL)
link_libraries(${OPENGL_gl_LIBRARY} ${MATH_LIBRARY})
else()
link_libraries(${glfw_LIBRARIES})
endif()
include_directories(${GLFW_SOURCE_DIR}/include
${GLFW_SOURCE_DIR}/deps)
if (NOT APPLE)
# HACK: This is NOTFOUND on OS X 10.8
include_directories(${OPENGL_INCLUDE_DIR})
endif()
set(GETOPT ${GLFW_SOURCE_DIR}/deps/getopt.h
${GLFW_SOURCE_DIR}/deps/getopt.c)
if (APPLE)
# Set fancy names for bundles
add_executable(Boing MACOSX_BUNDLE boing.c)
add_executable(Gears MACOSX_BUNDLE gears.c)
add_executable(Simple MACOSX_BUNDLE simple.c)
add_executable("Split View" MACOSX_BUNDLE splitview.c)
add_executable(Wave MACOSX_BUNDLE wave.c)
set_target_properties(Boing PROPERTIES MACOSX_BUNDLE_BUNDLE_NAME "Boing")
set_target_properties(Gears PROPERTIES MACOSX_BUNDLE_BUNDLE_NAME "Gears")
set_target_properties(Simple PROPERTIES MACOSX_BUNDLE_BUNDLE_NAME "Simple")
set_target_properties("Split View" PROPERTIES MACOSX_BUNDLE_BUNDLE_NAME "Split View")
set_target_properties(Wave PROPERTIES MACOSX_BUNDLE_BUNDLE_NAME "Wave")
else()
# Set boring names for executables
add_executable(boing WIN32 boing.c)
add_executable(gears WIN32 gears.c)
add_executable(heightmap WIN32 heightmap.c ${GETOPT})
add_executable(simple WIN32 simple.c)
add_executable(splitview WIN32 splitview.c)
add_executable(wave WIN32 wave.c)
endif()
if (MSVC)
set(WINDOWS_BINARIES boing gears heightmap simple splitview wave)
# Tell MSVC to use main instead of WinMain for Windows subsystem executables
set_target_properties(${WINDOWS_BINARIES} PROPERTIES
LINK_FLAGS "/ENTRY:mainCRTStartup")
endif()
if (APPLE)
set(BUNDLE_BINARIES Boing Gears Simple "Split View" Wave)
set_target_properties(${BUNDLE_BINARIES} PROPERTIES
MACOSX_BUNDLE_SHORT_VERSION_STRING ${GLFW_VERSION}
MACOSX_BUNDLE_LONG_VERSION_STRING ${GLFW_VERSION_FULL})
endif()

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/*****************************************************************************
* Title: GLBoing
* Desc: Tribute to Amiga Boing.
* Author: Jim Brooks <gfx@jimbrooks.org>
* Original Amiga authors were R.J. Mical and Dale Luck.
* GLFW conversion by Marcus Geelnard
* Notes: - 360' = 2*PI [radian]
*
* - Distances between objects are created by doing a relative
* Z translations.
*
* - Although OpenGL enticingly supports alpha-blending,
* the shadow of the original Boing didn't affect the color
* of the grid.
*
* - [Marcus] Changed timing scheme from interval driven to frame-
* time based animation steps (which results in much smoother
* movement)
*
* History of Amiga Boing:
*
* Boing was demonstrated on the prototype Amiga (codenamed "Lorraine") in
* 1985. According to legend, it was written ad-hoc in one night by
* R. J. Mical and Dale Luck. Because the bouncing ball animation was so fast
* and smooth, attendees did not believe the Amiga prototype was really doing
* the rendering. Suspecting a trick, they began looking around the booth for
* a hidden computer or VCR.
*****************************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#define GLFW_INCLUDE_GLU
#include <GLFW/glfw3.h>
/*****************************************************************************
* Various declarations and macros
*****************************************************************************/
/* Prototypes */
void init( void );
void display( void );
void reshape( GLFWwindow* window, int w, int h );
void key_callback( GLFWwindow* window, int key, int scancode, int action, int mods );
void DrawBoingBall( void );
void BounceBall( double dt );
void DrawBoingBallBand( GLfloat long_lo, GLfloat long_hi );
void DrawGrid( void );
#define RADIUS 70.f
#define STEP_LONGITUDE 22.5f /* 22.5 makes 8 bands like original Boing */
#define STEP_LATITUDE 22.5f
#define DIST_BALL (RADIUS * 2.f + RADIUS * 0.1f)
#define VIEW_SCENE_DIST (DIST_BALL * 3.f + 200.f)/* distance from viewer to middle of boing area */
#define GRID_SIZE (RADIUS * 4.5f) /* length (width) of grid */
#define BOUNCE_HEIGHT (RADIUS * 2.1f)
#define BOUNCE_WIDTH (RADIUS * 2.1f)
#define SHADOW_OFFSET_X -20.f
#define SHADOW_OFFSET_Y 10.f
#define SHADOW_OFFSET_Z 0.f
#define WALL_L_OFFSET 0.f
#define WALL_R_OFFSET 5.f
/* Animation speed (50.0 mimics the original GLUT demo speed) */
#define ANIMATION_SPEED 50.f
/* Maximum allowed delta time per physics iteration */
#define MAX_DELTA_T 0.02f
/* Draw ball, or its shadow */
typedef enum { DRAW_BALL, DRAW_BALL_SHADOW } DRAW_BALL_ENUM;
/* Vertex type */
typedef struct {float x; float y; float z;} vertex_t;
/* Global vars */
GLfloat deg_rot_y = 0.f;
GLfloat deg_rot_y_inc = 2.f;
GLfloat ball_x = -RADIUS;
GLfloat ball_y = -RADIUS;
GLfloat ball_x_inc = 1.f;
GLfloat ball_y_inc = 2.f;
DRAW_BALL_ENUM drawBallHow;
double t;
double t_old = 0.f;
double dt;
/* Random number generator */
#ifndef RAND_MAX
#define RAND_MAX 4095
#endif
/* PI */
#ifndef M_PI
#define M_PI 3.1415926535897932384626433832795
#endif
/*****************************************************************************
* Truncate a degree.
*****************************************************************************/
GLfloat TruncateDeg( GLfloat deg )
{
if ( deg >= 360.f )
return (deg - 360.f);
else
return deg;
}
/*****************************************************************************
* Convert a degree (360-based) into a radian.
* 360' = 2 * PI
*****************************************************************************/
double deg2rad( double deg )
{
return deg / 360 * (2 * M_PI);
}
/*****************************************************************************
* 360' sin().
*****************************************************************************/
double sin_deg( double deg )
{
return sin( deg2rad( deg ) );
}
/*****************************************************************************
* 360' cos().
*****************************************************************************/
double cos_deg( double deg )
{
return cos( deg2rad( deg ) );
}
/*****************************************************************************
* Compute a cross product (for a normal vector).
*
* c = a x b
*****************************************************************************/
void CrossProduct( vertex_t a, vertex_t b, vertex_t c, vertex_t *n )
{
GLfloat u1, u2, u3;
GLfloat v1, v2, v3;
u1 = b.x - a.x;
u2 = b.y - a.y;
u3 = b.y - a.z;
v1 = c.x - a.x;
v2 = c.y - a.y;
v3 = c.z - a.z;
n->x = u2 * v3 - v2 * v3;
n->y = u3 * v1 - v3 * u1;
n->z = u1 * v2 - v1 * u2;
}
/*****************************************************************************
* Calculate the angle to be passed to gluPerspective() so that a scene
* is visible. This function originates from the OpenGL Red Book.
*
* Parms : size
* The size of the segment when the angle is intersected at "dist"
* (ie at the outermost edge of the angle of vision).
*
* dist
* Distance from viewpoint to scene.
*****************************************************************************/
GLfloat PerspectiveAngle( GLfloat size,
GLfloat dist )
{
GLfloat radTheta, degTheta;
radTheta = 2.f * (GLfloat) atan2( size / 2.f, dist );
degTheta = (180.f * radTheta) / (GLfloat) M_PI;
return degTheta;
}
#define BOING_DEBUG 0
/*****************************************************************************
* init()
*****************************************************************************/
void init( void )
{
/*
* Clear background.
*/
glClearColor( 0.55f, 0.55f, 0.55f, 0.f );
glShadeModel( GL_FLAT );
}
/*****************************************************************************
* display()
*****************************************************************************/
void display(void)
{
glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
glPushMatrix();
drawBallHow = DRAW_BALL_SHADOW;
DrawBoingBall();
DrawGrid();
drawBallHow = DRAW_BALL;
DrawBoingBall();
glPopMatrix();
glFlush();
}
/*****************************************************************************
* reshape()
*****************************************************************************/
void reshape( GLFWwindow* window, int w, int h )
{
glViewport( 0, 0, (GLsizei)w, (GLsizei)h );
glMatrixMode( GL_PROJECTION );
glLoadIdentity();
gluPerspective( PerspectiveAngle( RADIUS * 2, 200 ),
(GLfloat)w / (GLfloat)h,
1.0,
VIEW_SCENE_DIST );
glMatrixMode( GL_MODELVIEW );
glLoadIdentity();
gluLookAt( 0.0, 0.0, VIEW_SCENE_DIST,/* eye */
0.0, 0.0, 0.0, /* center of vision */
0.0, -1.0, 0.0 ); /* up vector */
}
void key_callback( GLFWwindow* window, int key, int scancode, int action, int mods )
{
if (key == GLFW_KEY_ESCAPE && action == GLFW_PRESS)
glfwSetWindowShouldClose(window, GL_TRUE);
}
/*****************************************************************************
* Draw the Boing ball.
*
* The Boing ball is sphere in which each facet is a rectangle.
* Facet colors alternate between red and white.
* The ball is built by stacking latitudinal circles. Each circle is composed
* of a widely-separated set of points, so that each facet is noticably large.
*****************************************************************************/
void DrawBoingBall( void )
{
GLfloat lon_deg; /* degree of longitude */
double dt_total, dt2;
glPushMatrix();
glMatrixMode( GL_MODELVIEW );
/*
* Another relative Z translation to separate objects.
*/
glTranslatef( 0.0, 0.0, DIST_BALL );
/* Update ball position and rotation (iterate if necessary) */
dt_total = dt;
while( dt_total > 0.0 )
{
dt2 = dt_total > MAX_DELTA_T ? MAX_DELTA_T : dt_total;
dt_total -= dt2;
BounceBall( dt2 );
deg_rot_y = TruncateDeg( deg_rot_y + deg_rot_y_inc*((float)dt2*ANIMATION_SPEED) );
}
/* Set ball position */
glTranslatef( ball_x, ball_y, 0.0 );
/*
* Offset the shadow.
*/
if ( drawBallHow == DRAW_BALL_SHADOW )
{
glTranslatef( SHADOW_OFFSET_X,
SHADOW_OFFSET_Y,
SHADOW_OFFSET_Z );
}
/*
* Tilt the ball.
*/
glRotatef( -20.0, 0.0, 0.0, 1.0 );
/*
* Continually rotate ball around Y axis.
*/
glRotatef( deg_rot_y, 0.0, 1.0, 0.0 );
/*
* Set OpenGL state for Boing ball.
*/
glCullFace( GL_FRONT );
glEnable( GL_CULL_FACE );
glEnable( GL_NORMALIZE );
/*
* Build a faceted latitude slice of the Boing ball,
* stepping same-sized vertical bands of the sphere.
*/
for ( lon_deg = 0;
lon_deg < 180;
lon_deg += STEP_LONGITUDE )
{
/*
* Draw a latitude circle at this longitude.
*/
DrawBoingBallBand( lon_deg,
lon_deg + STEP_LONGITUDE );
}
glPopMatrix();
return;
}
/*****************************************************************************
* Bounce the ball.
*****************************************************************************/
void BounceBall( double delta_t )
{
GLfloat sign;
GLfloat deg;
/* Bounce on walls */
if ( ball_x > (BOUNCE_WIDTH/2 + WALL_R_OFFSET ) )
{
ball_x_inc = -0.5f - 0.75f * (GLfloat)rand() / (GLfloat)RAND_MAX;
deg_rot_y_inc = -deg_rot_y_inc;
}
if ( ball_x < -(BOUNCE_HEIGHT/2 + WALL_L_OFFSET) )
{
ball_x_inc = 0.5f + 0.75f * (GLfloat)rand() / (GLfloat)RAND_MAX;
deg_rot_y_inc = -deg_rot_y_inc;
}
/* Bounce on floor / roof */
if ( ball_y > BOUNCE_HEIGHT/2 )
{
ball_y_inc = -0.75f - 1.f * (GLfloat)rand() / (GLfloat)RAND_MAX;
}
if ( ball_y < -BOUNCE_HEIGHT/2*0.85 )
{
ball_y_inc = 0.75f + 1.f * (GLfloat)rand() / (GLfloat)RAND_MAX;
}
/* Update ball position */
ball_x += ball_x_inc * ((float)delta_t*ANIMATION_SPEED);
ball_y += ball_y_inc * ((float)delta_t*ANIMATION_SPEED);
/*
* Simulate the effects of gravity on Y movement.
*/
if ( ball_y_inc < 0 ) sign = -1.0; else sign = 1.0;
deg = (ball_y + BOUNCE_HEIGHT/2) * 90 / BOUNCE_HEIGHT;
if ( deg > 80 ) deg = 80;
if ( deg < 10 ) deg = 10;
ball_y_inc = sign * 4.f * (float) sin_deg( deg );
}
/*****************************************************************************
* Draw a faceted latitude band of the Boing ball.
*
* Parms: long_lo, long_hi
* Low and high longitudes of slice, resp.
*****************************************************************************/
void DrawBoingBallBand( GLfloat long_lo,
GLfloat long_hi )
{
vertex_t vert_ne; /* "ne" means south-east, so on */
vertex_t vert_nw;
vertex_t vert_sw;
vertex_t vert_se;
vertex_t vert_norm;
GLfloat lat_deg;
static int colorToggle = 0;
/*
* Iterate thru the points of a latitude circle.
* A latitude circle is a 2D set of X,Z points.
*/
for ( lat_deg = 0;
lat_deg <= (360 - STEP_LATITUDE);
lat_deg += STEP_LATITUDE )
{
/*
* Color this polygon with red or white.
*/
if ( colorToggle )
glColor3f( 0.8f, 0.1f, 0.1f );
else
glColor3f( 0.95f, 0.95f, 0.95f );
#if 0
if ( lat_deg >= 180 )
if ( colorToggle )
glColor3f( 0.1f, 0.8f, 0.1f );
else
glColor3f( 0.5f, 0.5f, 0.95f );
#endif
colorToggle = ! colorToggle;
/*
* Change color if drawing shadow.
*/
if ( drawBallHow == DRAW_BALL_SHADOW )
glColor3f( 0.35f, 0.35f, 0.35f );
/*
* Assign each Y.
*/
vert_ne.y = vert_nw.y = (float) cos_deg(long_hi) * RADIUS;
vert_sw.y = vert_se.y = (float) cos_deg(long_lo) * RADIUS;
/*
* Assign each X,Z with sin,cos values scaled by latitude radius indexed by longitude.
* Eg, long=0 and long=180 are at the poles, so zero scale is sin(longitude),
* while long=90 (sin(90)=1) is at equator.
*/
vert_ne.x = (float) cos_deg( lat_deg ) * (RADIUS * (float) sin_deg( long_lo + STEP_LONGITUDE ));
vert_se.x = (float) cos_deg( lat_deg ) * (RADIUS * (float) sin_deg( long_lo ));
vert_nw.x = (float) cos_deg( lat_deg + STEP_LATITUDE ) * (RADIUS * (float) sin_deg( long_lo + STEP_LONGITUDE ));
vert_sw.x = (float) cos_deg( lat_deg + STEP_LATITUDE ) * (RADIUS * (float) sin_deg( long_lo ));
vert_ne.z = (float) sin_deg( lat_deg ) * (RADIUS * (float) sin_deg( long_lo + STEP_LONGITUDE ));
vert_se.z = (float) sin_deg( lat_deg ) * (RADIUS * (float) sin_deg( long_lo ));
vert_nw.z = (float) sin_deg( lat_deg + STEP_LATITUDE ) * (RADIUS * (float) sin_deg( long_lo + STEP_LONGITUDE ));
vert_sw.z = (float) sin_deg( lat_deg + STEP_LATITUDE ) * (RADIUS * (float) sin_deg( long_lo ));
/*
* Draw the facet.
*/
glBegin( GL_POLYGON );
CrossProduct( vert_ne, vert_nw, vert_sw, &vert_norm );
glNormal3f( vert_norm.x, vert_norm.y, vert_norm.z );
glVertex3f( vert_ne.x, vert_ne.y, vert_ne.z );
glVertex3f( vert_nw.x, vert_nw.y, vert_nw.z );
glVertex3f( vert_sw.x, vert_sw.y, vert_sw.z );
glVertex3f( vert_se.x, vert_se.y, vert_se.z );
glEnd();
#if BOING_DEBUG
printf( "----------------------------------------------------------- \n" );
printf( "lat = %f long_lo = %f long_hi = %f \n", lat_deg, long_lo, long_hi );
printf( "vert_ne x = %.8f y = %.8f z = %.8f \n", vert_ne.x, vert_ne.y, vert_ne.z );
printf( "vert_nw x = %.8f y = %.8f z = %.8f \n", vert_nw.x, vert_nw.y, vert_nw.z );
printf( "vert_se x = %.8f y = %.8f z = %.8f \n", vert_se.x, vert_se.y, vert_se.z );
printf( "vert_sw x = %.8f y = %.8f z = %.8f \n", vert_sw.x, vert_sw.y, vert_sw.z );
#endif
}
/*
* Toggle color so that next band will opposite red/white colors than this one.
*/
colorToggle = ! colorToggle;
/*
* This circular band is done.
*/
return;
}
/*****************************************************************************
* Draw the purple grid of lines, behind the Boing ball.
* When the Workbench is dropped to the bottom, Boing shows 12 rows.
*****************************************************************************/
void DrawGrid( void )
{
int row, col;
const int rowTotal = 12; /* must be divisible by 2 */
const int colTotal = rowTotal; /* must be same as rowTotal */
const GLfloat widthLine = 2.0; /* should be divisible by 2 */
const GLfloat sizeCell = GRID_SIZE / rowTotal;
const GLfloat z_offset = -40.0;
GLfloat xl, xr;
GLfloat yt, yb;
glPushMatrix();
glDisable( GL_CULL_FACE );
/*
* Another relative Z translation to separate objects.
*/
glTranslatef( 0.0, 0.0, DIST_BALL );
/*
* Draw vertical lines (as skinny 3D rectangles).
*/
for ( col = 0; col <= colTotal; col++ )
{
/*
* Compute co-ords of line.
*/
xl = -GRID_SIZE / 2 + col * sizeCell;
xr = xl + widthLine;
yt = GRID_SIZE / 2;
yb = -GRID_SIZE / 2 - widthLine;
glBegin( GL_POLYGON );
glColor3f( 0.6f, 0.1f, 0.6f ); /* purple */
glVertex3f( xr, yt, z_offset ); /* NE */
glVertex3f( xl, yt, z_offset ); /* NW */
glVertex3f( xl, yb, z_offset ); /* SW */
glVertex3f( xr, yb, z_offset ); /* SE */
glEnd();
}
/*
* Draw horizontal lines (as skinny 3D rectangles).
*/
for ( row = 0; row <= rowTotal; row++ )
{
/*
* Compute co-ords of line.
*/
yt = GRID_SIZE / 2 - row * sizeCell;
yb = yt - widthLine;
xl = -GRID_SIZE / 2;
xr = GRID_SIZE / 2 + widthLine;
glBegin( GL_POLYGON );
glColor3f( 0.6f, 0.1f, 0.6f ); /* purple */
glVertex3f( xr, yt, z_offset ); /* NE */
glVertex3f( xl, yt, z_offset ); /* NW */
glVertex3f( xl, yb, z_offset ); /* SW */
glVertex3f( xr, yb, z_offset ); /* SE */
glEnd();
}
glPopMatrix();
return;
}
/*======================================================================*
* main()
*======================================================================*/
int main( void )
{
GLFWwindow* window;
int width, height;
/* Init GLFW */
if( !glfwInit() )
exit( EXIT_FAILURE );
glfwWindowHint(GLFW_DEPTH_BITS, 16);
window = glfwCreateWindow( 400, 400, "Boing (classic Amiga demo)", NULL, NULL );
if (!window)
{
glfwTerminate();
exit( EXIT_FAILURE );
}
glfwSetFramebufferSizeCallback(window, reshape);
glfwSetKeyCallback(window, key_callback);
glfwMakeContextCurrent(window);
glfwSwapInterval( 1 );
glfwGetFramebufferSize(window, &width, &height);
reshape(window, width, height);
glfwSetTime( 0.0 );
init();
/* Main loop */
for (;;)
{
/* Timing */
t = glfwGetTime();
dt = t - t_old;
t_old = t;
/* Draw one frame */
display();
/* Swap buffers */
glfwSwapBuffers(window);
glfwPollEvents();
/* Check if we are still running */
if (glfwWindowShouldClose(window))
break;
}
glfwTerminate();
exit( EXIT_SUCCESS );
}

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/*
* 3-D gear wheels. This program is in the public domain.
*
* Command line options:
* -info print GL implementation information
* -exit automatically exit after 30 seconds
*
*
* Brian Paul
*
*
* Marcus Geelnard:
* - Conversion to GLFW
* - Time based rendering (frame rate independent)
* - Slightly modified camera that should work better for stereo viewing
*
*
* Camilla Berglund:
* - Removed FPS counter (this is not a benchmark)
* - Added a few comments
* - Enabled vsync
*/
#include <math.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <GLFW/glfw3.h>
#ifndef M_PI
#define M_PI 3.141592654
#endif
/* If non-zero, the program exits after that many seconds
*/
static int autoexit = 0;
/**
Draw a gear wheel. You'll probably want to call this function when
building a display list since we do a lot of trig here.
Input: inner_radius - radius of hole at center
outer_radius - radius at center of teeth
width - width of gear teeth - number of teeth
tooth_depth - depth of tooth
**/
static void
gear(GLfloat inner_radius, GLfloat outer_radius, GLfloat width,
GLint teeth, GLfloat tooth_depth)
{
GLint i;
GLfloat r0, r1, r2;
GLfloat angle, da;
GLfloat u, v, len;
r0 = inner_radius;
r1 = outer_radius - tooth_depth / 2.f;
r2 = outer_radius + tooth_depth / 2.f;
da = 2.f * (float) M_PI / teeth / 4.f;
glShadeModel(GL_FLAT);
glNormal3f(0.f, 0.f, 1.f);
/* draw front face */
glBegin(GL_QUAD_STRIP);
for (i = 0; i <= teeth; i++) {
angle = i * 2.f * (float) M_PI / teeth;
glVertex3f(r0 * (float) cos(angle), r0 * (float) sin(angle), width * 0.5f);
glVertex3f(r1 * (float) cos(angle), r1 * (float) sin(angle), width * 0.5f);
if (i < teeth) {
glVertex3f(r0 * (float) cos(angle), r0 * (float) sin(angle), width * 0.5f);
glVertex3f(r1 * (float) cos(angle + 3 * da), r1 * (float) sin(angle + 3 * da), width * 0.5f);
}
}
glEnd();
/* draw front sides of teeth */
glBegin(GL_QUADS);
da = 2.f * (float) M_PI / teeth / 4.f;
for (i = 0; i < teeth; i++) {
angle = i * 2.f * (float) M_PI / teeth;
glVertex3f(r1 * (float) cos(angle), r1 * (float) sin(angle), width * 0.5f);
glVertex3f(r2 * (float) cos(angle + da), r2 * (float) sin(angle + da), width * 0.5f);
glVertex3f(r2 * (float) cos(angle + 2 * da), r2 * (float) sin(angle + 2 * da), width * 0.5f);
glVertex3f(r1 * (float) cos(angle + 3 * da), r1 * (float) sin(angle + 3 * da), width * 0.5f);
}
glEnd();
glNormal3f(0.0, 0.0, -1.0);
/* draw back face */
glBegin(GL_QUAD_STRIP);
for (i = 0; i <= teeth; i++) {
angle = i * 2.f * (float) M_PI / teeth;
glVertex3f(r1 * (float) cos(angle), r1 * (float) sin(angle), -width * 0.5f);
glVertex3f(r0 * (float) cos(angle), r0 * (float) sin(angle), -width * 0.5f);
if (i < teeth) {
glVertex3f(r1 * (float) cos(angle + 3 * da), r1 * (float) sin(angle + 3 * da), -width * 0.5f);
glVertex3f(r0 * (float) cos(angle), r0 * (float) sin(angle), -width * 0.5f);
}
}
glEnd();
/* draw back sides of teeth */
glBegin(GL_QUADS);
da = 2.f * (float) M_PI / teeth / 4.f;
for (i = 0; i < teeth; i++) {
angle = i * 2.f * (float) M_PI / teeth;
glVertex3f(r1 * (float) cos(angle + 3 * da), r1 * (float) sin(angle + 3 * da), -width * 0.5f);
glVertex3f(r2 * (float) cos(angle + 2 * da), r2 * (float) sin(angle + 2 * da), -width * 0.5f);
glVertex3f(r2 * (float) cos(angle + da), r2 * (float) sin(angle + da), -width * 0.5f);
glVertex3f(r1 * (float) cos(angle), r1 * (float) sin(angle), -width * 0.5f);
}
glEnd();
/* draw outward faces of teeth */
glBegin(GL_QUAD_STRIP);
for (i = 0; i < teeth; i++) {
angle = i * 2.f * (float) M_PI / teeth;
glVertex3f(r1 * (float) cos(angle), r1 * (float) sin(angle), width * 0.5f);
glVertex3f(r1 * (float) cos(angle), r1 * (float) sin(angle), -width * 0.5f);
u = r2 * (float) cos(angle + da) - r1 * (float) cos(angle);
v = r2 * (float) sin(angle + da) - r1 * (float) sin(angle);
len = (float) sqrt(u * u + v * v);
u /= len;
v /= len;
glNormal3f(v, -u, 0.0);
glVertex3f(r2 * (float) cos(angle + da), r2 * (float) sin(angle + da), width * 0.5f);
glVertex3f(r2 * (float) cos(angle + da), r2 * (float) sin(angle + da), -width * 0.5f);
glNormal3f((float) cos(angle), (float) sin(angle), 0.f);
glVertex3f(r2 * (float) cos(angle + 2 * da), r2 * (float) sin(angle + 2 * da), width * 0.5f);
glVertex3f(r2 * (float) cos(angle + 2 * da), r2 * (float) sin(angle + 2 * da), -width * 0.5f);
u = r1 * (float) cos(angle + 3 * da) - r2 * (float) cos(angle + 2 * da);
v = r1 * (float) sin(angle + 3 * da) - r2 * (float) sin(angle + 2 * da);
glNormal3f(v, -u, 0.f);
glVertex3f(r1 * (float) cos(angle + 3 * da), r1 * (float) sin(angle + 3 * da), width * 0.5f);
glVertex3f(r1 * (float) cos(angle + 3 * da), r1 * (float) sin(angle + 3 * da), -width * 0.5f);
glNormal3f((float) cos(angle), (float) sin(angle), 0.f);
}
glVertex3f(r1 * (float) cos(0), r1 * (float) sin(0), width * 0.5f);
glVertex3f(r1 * (float) cos(0), r1 * (float) sin(0), -width * 0.5f);
glEnd();
glShadeModel(GL_SMOOTH);
/* draw inside radius cylinder */
glBegin(GL_QUAD_STRIP);
for (i = 0; i <= teeth; i++) {
angle = i * 2.f * (float) M_PI / teeth;
glNormal3f(-(float) cos(angle), -(float) sin(angle), 0.f);
glVertex3f(r0 * (float) cos(angle), r0 * (float) sin(angle), -width * 0.5f);
glVertex3f(r0 * (float) cos(angle), r0 * (float) sin(angle), width * 0.5f);
}
glEnd();
}
static GLfloat view_rotx = 20.f, view_roty = 30.f, view_rotz = 0.f;
static GLint gear1, gear2, gear3;
static GLfloat angle = 0.f;
/* OpenGL draw function & timing */
static void draw(void)
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glPushMatrix();
glRotatef(view_rotx, 1.0, 0.0, 0.0);
glRotatef(view_roty, 0.0, 1.0, 0.0);
glRotatef(view_rotz, 0.0, 0.0, 1.0);
glPushMatrix();
glTranslatef(-3.0, -2.0, 0.0);
glRotatef(angle, 0.0, 0.0, 1.0);
glCallList(gear1);
glPopMatrix();
glPushMatrix();
glTranslatef(3.1f, -2.f, 0.f);
glRotatef(-2.f * angle - 9.f, 0.f, 0.f, 1.f);
glCallList(gear2);
glPopMatrix();
glPushMatrix();
glTranslatef(-3.1f, 4.2f, 0.f);
glRotatef(-2.f * angle - 25.f, 0.f, 0.f, 1.f);
glCallList(gear3);
glPopMatrix();
glPopMatrix();
}
/* update animation parameters */
static void animate(void)
{
angle = 100.f * (float) glfwGetTime();
}
/* change view angle, exit upon ESC */
void key( GLFWwindow* window, int k, int s, int action, int mods )
{
if( action != GLFW_PRESS ) return;
switch (k) {
case GLFW_KEY_Z:
if( mods & GLFW_MOD_SHIFT )
view_rotz -= 5.0;
else
view_rotz += 5.0;
break;
case GLFW_KEY_ESCAPE:
glfwSetWindowShouldClose(window, GL_TRUE);
break;
case GLFW_KEY_UP:
view_rotx += 5.0;
break;
case GLFW_KEY_DOWN:
view_rotx -= 5.0;
break;
case GLFW_KEY_LEFT:
view_roty += 5.0;
break;
case GLFW_KEY_RIGHT:
view_roty -= 5.0;
break;
default:
return;
}
}
/* new window size */
void reshape( GLFWwindow* window, int width, int height )
{
GLfloat h = (GLfloat) height / (GLfloat) width;
GLfloat xmax, znear, zfar;
znear = 5.0f;
zfar = 30.0f;
xmax = znear * 0.5f;
glViewport( 0, 0, (GLint) width, (GLint) height );
glMatrixMode( GL_PROJECTION );
glLoadIdentity();
glFrustum( -xmax, xmax, -xmax*h, xmax*h, znear, zfar );
glMatrixMode( GL_MODELVIEW );
glLoadIdentity();
glTranslatef( 0.0, 0.0, -20.0 );
}
/* program & OpenGL initialization */
static void init(int argc, char *argv[])
{
static GLfloat pos[4] = {5.f, 5.f, 10.f, 0.f};
static GLfloat red[4] = {0.8f, 0.1f, 0.f, 1.f};
static GLfloat green[4] = {0.f, 0.8f, 0.2f, 1.f};
static GLfloat blue[4] = {0.2f, 0.2f, 1.f, 1.f};
GLint i;
glLightfv(GL_LIGHT0, GL_POSITION, pos);
glEnable(GL_CULL_FACE);
glEnable(GL_LIGHTING);
glEnable(GL_LIGHT0);
glEnable(GL_DEPTH_TEST);
/* make the gears */
gear1 = glGenLists(1);
glNewList(gear1, GL_COMPILE);
glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, red);
gear(1.f, 4.f, 1.f, 20, 0.7f);
glEndList();
gear2 = glGenLists(1);
glNewList(gear2, GL_COMPILE);
glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, green);
gear(0.5f, 2.f, 2.f, 10, 0.7f);
glEndList();
gear3 = glGenLists(1);
glNewList(gear3, GL_COMPILE);
glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, blue);
gear(1.3f, 2.f, 0.5f, 10, 0.7f);
glEndList();
glEnable(GL_NORMALIZE);
for ( i=1; i<argc; i++ ) {
if (strcmp(argv[i], "-info")==0) {
printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
printf("GL_VERSION = %s\n", (char *) glGetString(GL_VERSION));
printf("GL_VENDOR = %s\n", (char *) glGetString(GL_VENDOR));
printf("GL_EXTENSIONS = %s\n", (char *) glGetString(GL_EXTENSIONS));
}
else if ( strcmp(argv[i], "-exit")==0) {
autoexit = 30;
printf("Auto Exit after %i seconds.\n", autoexit );
}
}
}
/* program entry */
int main(int argc, char *argv[])
{
GLFWwindow* window;
int width, height;
if( !glfwInit() )
{
fprintf( stderr, "Failed to initialize GLFW\n" );
exit( EXIT_FAILURE );
}
glfwWindowHint(GLFW_DEPTH_BITS, 16);
window = glfwCreateWindow( 300, 300, "Gears", NULL, NULL );
if (!window)
{
fprintf( stderr, "Failed to open GLFW window\n" );
glfwTerminate();
exit( EXIT_FAILURE );
}
// Set callback functions
glfwSetFramebufferSizeCallback(window, reshape);
glfwSetKeyCallback(window, key);
glfwMakeContextCurrent(window);
glfwSwapInterval( 1 );
glfwGetFramebufferSize(window, &width, &height);
reshape(window, width, height);
// Parse command-line options
init(argc, argv);
// Main loop
while( !glfwWindowShouldClose(window) )
{
// Draw gears
draw();
// Update animation
animate();
// Swap buffers
glfwSwapBuffers(window);
glfwPollEvents();
}
// Terminate GLFW
glfwTerminate();
// Exit program
exit( EXIT_SUCCESS );
}

678
extern/glfw-3.0.4/examples/heightmap.c vendored Normal file
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//========================================================================
// Heightmap example program using OpenGL 3 core profile
// Copyright (c) 2010 Olivier Delannoy
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would
// be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such, and must not
// be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source
// distribution.
//
//========================================================================
#include <stdlib.h>
#include <stdio.h>
#include <math.h>
#include <assert.h>
#include <stddef.h>
#include "getopt.h"
#include <GLFW/glfw3.h>
#include <GL/glext.h>
/* OpenGL function pointers */
static PFNGLGENBUFFERSPROC pglGenBuffers = NULL;
static PFNGLGENVERTEXARRAYSPROC pglGenVertexArrays = NULL;
static PFNGLDELETEVERTEXARRAYSPROC pglDeleteVertexArrays = NULL;
static PFNGLCREATESHADERPROC pglCreateShader = NULL;
static PFNGLSHADERSOURCEPROC pglShaderSource = NULL;
static PFNGLCOMPILESHADERPROC pglCompileShader = NULL;
static PFNGLGETSHADERIVPROC pglGetShaderiv = NULL;
static PFNGLGETSHADERINFOLOGPROC pglGetShaderInfoLog = NULL;
static PFNGLDELETESHADERPROC pglDeleteShader = NULL;
static PFNGLCREATEPROGRAMPROC pglCreateProgram = NULL;
static PFNGLATTACHSHADERPROC pglAttachShader = NULL;
static PFNGLLINKPROGRAMPROC pglLinkProgram = NULL;
static PFNGLUSEPROGRAMPROC pglUseProgram = NULL;
static PFNGLGETPROGRAMIVPROC pglGetProgramiv = NULL;
static PFNGLGETPROGRAMINFOLOGPROC pglGetProgramInfoLog = NULL;
static PFNGLDELETEPROGRAMPROC pglDeleteProgram = NULL;
static PFNGLGETUNIFORMLOCATIONPROC pglGetUniformLocation = NULL;
static PFNGLUNIFORMMATRIX4FVPROC pglUniformMatrix4fv = NULL;
static PFNGLGETATTRIBLOCATIONPROC pglGetAttribLocation = NULL;
static PFNGLBINDVERTEXARRAYPROC pglBindVertexArray = NULL;
static PFNGLBUFFERDATAPROC pglBufferData = NULL;
static PFNGLBINDBUFFERPROC pglBindBuffer = NULL;
static PFNGLBUFFERSUBDATAPROC pglBufferSubData = NULL;
static PFNGLENABLEVERTEXATTRIBARRAYPROC pglEnableVertexAttribArray = NULL;
static PFNGLVERTEXATTRIBPOINTERPROC pglVertexAttribPointer = NULL;
/* Map height updates */
#define MAX_CIRCLE_SIZE (5.0f)
#define MAX_DISPLACEMENT (1.0f)
#define DISPLACEMENT_SIGN_LIMIT (0.3f)
#define MAX_ITER (200)
#define NUM_ITER_AT_A_TIME (1)
/* Map general information */
#define MAP_SIZE (10.0f)
#define MAP_NUM_VERTICES (80)
#define MAP_NUM_TOTAL_VERTICES (MAP_NUM_VERTICES*MAP_NUM_VERTICES)
#define MAP_NUM_LINES (3* (MAP_NUM_VERTICES - 1) * (MAP_NUM_VERTICES - 1) + \
2 * (MAP_NUM_VERTICES - 1))
/* OpenGL function pointers */
#define RESOLVE_GL_FCN(type, var, name) \
if (status == GL_TRUE) \
{\
var = (type) glfwGetProcAddress((name));\
if ((var) == NULL)\
{\
status = GL_FALSE;\
}\
}
static GLboolean init_opengl(void)
{
GLboolean status = GL_TRUE;
RESOLVE_GL_FCN(PFNGLCREATESHADERPROC, pglCreateShader, "glCreateShader");
RESOLVE_GL_FCN(PFNGLSHADERSOURCEPROC, pglShaderSource, "glShaderSource");
RESOLVE_GL_FCN(PFNGLCOMPILESHADERPROC, pglCompileShader, "glCompileShader");
RESOLVE_GL_FCN(PFNGLGETSHADERIVPROC, pglGetShaderiv, "glGetShaderiv");
RESOLVE_GL_FCN(PFNGLGETSHADERINFOLOGPROC, pglGetShaderInfoLog, "glGetShaderInfoLog");
RESOLVE_GL_FCN(PFNGLDELETESHADERPROC, pglDeleteShader, "glDeleteShader");
RESOLVE_GL_FCN(PFNGLCREATEPROGRAMPROC, pglCreateProgram, "glCreateProgram");
RESOLVE_GL_FCN(PFNGLATTACHSHADERPROC, pglAttachShader, "glAttachShader");
RESOLVE_GL_FCN(PFNGLLINKPROGRAMPROC, pglLinkProgram, "glLinkProgram");
RESOLVE_GL_FCN(PFNGLUSEPROGRAMPROC, pglUseProgram, "glUseProgram");
RESOLVE_GL_FCN(PFNGLGETPROGRAMIVPROC, pglGetProgramiv, "glGetProgramiv");
RESOLVE_GL_FCN(PFNGLGETPROGRAMINFOLOGPROC, pglGetProgramInfoLog, "glGetProgramInfoLog");
RESOLVE_GL_FCN(PFNGLDELETEPROGRAMPROC, pglDeleteProgram, "glDeleteProgram");
RESOLVE_GL_FCN(PFNGLGETUNIFORMLOCATIONPROC, pglGetUniformLocation, "glGetUniformLocation");
RESOLVE_GL_FCN(PFNGLUNIFORMMATRIX4FVPROC, pglUniformMatrix4fv, "glUniformMatrix4fv");
RESOLVE_GL_FCN(PFNGLGETATTRIBLOCATIONPROC, pglGetAttribLocation, "glGetAttribLocation");
RESOLVE_GL_FCN(PFNGLGENVERTEXARRAYSPROC, pglGenVertexArrays, "glGenVertexArrays");
RESOLVE_GL_FCN(PFNGLDELETEVERTEXARRAYSPROC, pglDeleteVertexArrays, "glDeleteVertexArrays");
RESOLVE_GL_FCN(PFNGLBINDVERTEXARRAYPROC, pglBindVertexArray, "glBindVertexArray");
RESOLVE_GL_FCN(PFNGLGENBUFFERSPROC, pglGenBuffers, "glGenBuffers");
RESOLVE_GL_FCN(PFNGLBINDBUFFERPROC, pglBindBuffer, "glBindBuffer");
RESOLVE_GL_FCN(PFNGLBUFFERDATAPROC, pglBufferData, "glBufferData");
RESOLVE_GL_FCN(PFNGLBUFFERSUBDATAPROC, pglBufferSubData, "glBufferSubData");
RESOLVE_GL_FCN(PFNGLENABLEVERTEXATTRIBARRAYPROC, pglEnableVertexAttribArray, "glEnableVertexAttribArray");
RESOLVE_GL_FCN(PFNGLVERTEXATTRIBPOINTERPROC, pglVertexAttribPointer, "glVertexAttribPointer");
return status;
}
/**********************************************************************
* Default shader programs
*********************************************************************/
static const char* default_vertex_shader =
"#version 150\n"
"uniform mat4 project;\n"
"uniform mat4 modelview;\n"
"in float x;\n"
"in float y;\n"
"in float z;\n"
"\n"
"void main()\n"
"{\n"
" gl_Position = project * modelview * vec4(x, y, z, 1.0);\n"
"}\n";
static const char* default_fragment_shader =
"#version 150\n"
"out vec4 gl_FragColor;\n"
"void main()\n"
"{\n"
" gl_FragColor = vec4(0.2, 1.0, 0.2, 1.0); \n"
"}\n";
/**********************************************************************
* Values for shader uniforms
*********************************************************************/
/* Frustum configuration */
static GLfloat view_angle = 45.0f;
static GLfloat aspect_ratio = 4.0f/3.0f;
static GLfloat z_near = 1.0f;
static GLfloat z_far = 100.f;
/* Projection matrix */
static GLfloat projection_matrix[16] = {
1.0f, 0.0f, 0.0f, 0.0f,
0.0f, 1.0f, 0.0f, 0.0f,
0.0f, 0.0f, 1.0f, 0.0f,
0.0f, 0.0f, 0.0f, 1.0f
};
/* Model view matrix */
static GLfloat modelview_matrix[16] = {
1.0f, 0.0f, 0.0f, 0.0f,
0.0f, 1.0f, 0.0f, 0.0f,
0.0f, 0.0f, 1.0f, 0.0f,
0.0f, 0.0f, 0.0f, 1.0f
};
/**********************************************************************
* Heightmap vertex and index data
*********************************************************************/
static GLfloat map_vertices[3][MAP_NUM_TOTAL_VERTICES];
static GLuint map_line_indices[2*MAP_NUM_LINES];
/* Store uniform location for the shaders
* Those values are setup as part of the process of creating
* the shader program. They should not be used before creating
* the program.
*/
static GLuint mesh;
static GLuint mesh_vbo[4];
/**********************************************************************
* OpenGL helper functions
*********************************************************************/
/* Load a (text) file into memory and return its contents
*/
static char* read_file_content(const char* filename)
{
FILE* fd;
size_t size = 0;
char* result = NULL;
fd = fopen(filename, "r");
if (fd != NULL)
{
size = fseek(fd, 0, SEEK_END);
(void) fseek(fd, 0, SEEK_SET);
result = malloc(size + 1);
result[size] = '\0';
if (fread(result, size, 1, fd) != 1)
{
free(result);
result = NULL;
}
(void) fclose(fd);
}
return result;
}
/* Creates a shader object of the specified type using the specified text
*/
static GLuint make_shader(GLenum type, const char* shader_src)
{
GLuint shader;
GLint shader_ok;
GLsizei log_length;
char info_log[8192];
shader = pglCreateShader(type);
if (shader != 0)
{
pglShaderSource(shader, 1, (const GLchar**)&shader_src, NULL);
pglCompileShader(shader);
pglGetShaderiv(shader, GL_COMPILE_STATUS, &shader_ok);
if (shader_ok != GL_TRUE)
{
fprintf(stderr, "ERROR: Failed to compile %s shader\n", (type == GL_FRAGMENT_SHADER) ? "fragment" : "vertex" );
pglGetShaderInfoLog(shader, 8192, &log_length,info_log);
fprintf(stderr, "ERROR: \n%s\n\n", info_log);
pglDeleteShader(shader);
shader = 0;
}
}
return shader;
}
/* Creates a program object using the specified vertex and fragment text
*/
static GLuint make_shader_program(const char* vertex_shader_src, const char* fragment_shader_src)
{
GLuint program = 0u;
GLint program_ok;
GLuint vertex_shader = 0u;
GLuint fragment_shader = 0u;
GLsizei log_length;
char info_log[8192];
vertex_shader = make_shader(GL_VERTEX_SHADER, (vertex_shader_src == NULL) ? default_vertex_shader : vertex_shader_src);
if (vertex_shader != 0u)
{
fragment_shader = make_shader(GL_FRAGMENT_SHADER, (fragment_shader_src == NULL) ? default_fragment_shader : fragment_shader_src);
if (fragment_shader != 0u)
{
/* make the program that connect the two shader and link it */
program = pglCreateProgram();
if (program != 0u)
{
/* attach both shader and link */
pglAttachShader(program, vertex_shader);
pglAttachShader(program, fragment_shader);
pglLinkProgram(program);
pglGetProgramiv(program, GL_LINK_STATUS, &program_ok);
if (program_ok != GL_TRUE)
{
fprintf(stderr, "ERROR, failed to link shader program\n");
pglGetProgramInfoLog(program, 8192, &log_length, info_log);
fprintf(stderr, "ERROR: \n%s\n\n", info_log);
pglDeleteProgram(program);
pglDeleteShader(fragment_shader);
pglDeleteShader(vertex_shader);
program = 0u;
}
}
}
else
{
fprintf(stderr, "ERROR: Unable to load fragment shader\n");
pglDeleteShader(vertex_shader);
}
}
else
{
fprintf(stderr, "ERROR: Unable to load vertex shader\n");
}
return program;
}
/**********************************************************************
* Geometry creation functions
*********************************************************************/
/* Generate vertices and indices for the heightmap
*/
static void init_map(void)
{
int i;
int j;
int k;
GLfloat step = MAP_SIZE / (MAP_NUM_VERTICES - 1);
GLfloat x = 0.0f;
GLfloat z = 0.0f;
/* Create a flat grid */
k = 0;
for (i = 0 ; i < MAP_NUM_VERTICES ; ++i)
{
for (j = 0 ; j < MAP_NUM_VERTICES ; ++j)
{
map_vertices[0][k] = x;
map_vertices[1][k] = 0.0f;
map_vertices[2][k] = z;
z += step;
++k;
}
x += step;
z = 0.0f;
}
#if DEBUG_ENABLED
for (i = 0 ; i < MAP_NUM_TOTAL_VERTICES ; ++i)
{
printf ("Vertice %d (%f, %f, %f)\n",
i, map_vertices[0][i], map_vertices[1][i], map_vertices[2][i]);
}
#endif
/* create indices */
/* line fan based on i
* i+1
* | / i + n + 1
* | /
* |/
* i --- i + n
*/
/* close the top of the square */
k = 0;
for (i = 0 ; i < MAP_NUM_VERTICES -1 ; ++i)
{
map_line_indices[k++] = (i + 1) * MAP_NUM_VERTICES -1;
map_line_indices[k++] = (i + 2) * MAP_NUM_VERTICES -1;
}
/* close the right of the square */
for (i = 0 ; i < MAP_NUM_VERTICES -1 ; ++i)
{
map_line_indices[k++] = (MAP_NUM_VERTICES - 1) * MAP_NUM_VERTICES + i;
map_line_indices[k++] = (MAP_NUM_VERTICES - 1) * MAP_NUM_VERTICES + i + 1;
}
for (i = 0 ; i < (MAP_NUM_VERTICES - 1) ; ++i)
{
for (j = 0 ; j < (MAP_NUM_VERTICES - 1) ; ++j)
{
int ref = i * (MAP_NUM_VERTICES) + j;
map_line_indices[k++] = ref;
map_line_indices[k++] = ref + 1;
map_line_indices[k++] = ref;
map_line_indices[k++] = ref + MAP_NUM_VERTICES;
map_line_indices[k++] = ref;
map_line_indices[k++] = ref + MAP_NUM_VERTICES + 1;
}
}
#ifdef DEBUG_ENABLED
for (k = 0 ; k < 2 * MAP_NUM_LINES ; k += 2)
{
int beg, end;
beg = map_line_indices[k];
end = map_line_indices[k+1];
printf ("Line %d: %d -> %d (%f, %f, %f) -> (%f, %f, %f)\n",
k / 2, beg, end,
map_vertices[0][beg], map_vertices[1][beg], map_vertices[2][beg],
map_vertices[0][end], map_vertices[1][end], map_vertices[2][end]);
}
#endif
}
static void generate_heightmap__circle(float* center_x, float* center_y,
float* size, float* displacement)
{
float sign;
/* random value for element in between [0-1.0] */
*center_x = (MAP_SIZE * rand()) / (1.0f * RAND_MAX);
*center_y = (MAP_SIZE * rand()) / (1.0f * RAND_MAX);
*size = (MAX_CIRCLE_SIZE * rand()) / (1.0f * RAND_MAX);
sign = (1.0f * rand()) / (1.0f * RAND_MAX);
sign = (sign < DISPLACEMENT_SIGN_LIMIT) ? -1.0f : 1.0f;
*displacement = (sign * (MAX_DISPLACEMENT * rand())) / (1.0f * RAND_MAX);
}
/* Run the specified number of iterations of the generation process for the
* heightmap
*/
static void update_map(int num_iter)
{
assert(num_iter > 0);
while(num_iter)
{
/* center of the circle */
float center_x;
float center_z;
float circle_size;
float disp;
size_t ii;
generate_heightmap__circle(&center_x, &center_z, &circle_size, &disp);
disp = disp / 2.0f;
for (ii = 0u ; ii < MAP_NUM_TOTAL_VERTICES ; ++ii)
{
GLfloat dx = center_x - map_vertices[0][ii];
GLfloat dz = center_z - map_vertices[2][ii];
GLfloat pd = (2.0f * sqrtf((dx * dx) + (dz * dz))) / circle_size;
if (fabs(pd) <= 1.0f)
{
/* tx,tz is within the circle */
GLfloat new_height = disp + (float) (cos(pd*3.14f)*disp);
map_vertices[1][ii] += new_height;
}
}
--num_iter;
}
}
/**********************************************************************
* OpenGL helper functions
*********************************************************************/
/* Create VBO, IBO and VAO objects for the heightmap geometry and bind them to
* the specified program object
*/
static void make_mesh(GLuint program)
{
GLuint attrloc;
pglGenVertexArrays(1, &mesh);
pglGenBuffers(4, mesh_vbo);
pglBindVertexArray(mesh);
/* Prepare the data for drawing through a buffer inidices */
pglBindBuffer(GL_ELEMENT_ARRAY_BUFFER, mesh_vbo[3]);
pglBufferData(GL_ELEMENT_ARRAY_BUFFER, sizeof(GLuint)* MAP_NUM_LINES * 2, map_line_indices, GL_STATIC_DRAW);
/* Prepare the attributes for rendering */
attrloc = pglGetAttribLocation(program, "x");
pglBindBuffer(GL_ARRAY_BUFFER, mesh_vbo[0]);
pglBufferData(GL_ARRAY_BUFFER, sizeof(GLfloat) * MAP_NUM_TOTAL_VERTICES, &map_vertices[0][0], GL_STATIC_DRAW);
pglEnableVertexAttribArray(attrloc);
pglVertexAttribPointer(attrloc, 1, GL_FLOAT, GL_FALSE, 0, 0);
attrloc = pglGetAttribLocation(program, "z");
pglBindBuffer(GL_ARRAY_BUFFER, mesh_vbo[2]);
pglBufferData(GL_ARRAY_BUFFER, sizeof(GLfloat) * MAP_NUM_TOTAL_VERTICES, &map_vertices[2][0], GL_STATIC_DRAW);
pglEnableVertexAttribArray(attrloc);
pglVertexAttribPointer(attrloc, 1, GL_FLOAT, GL_FALSE, 0, 0);
attrloc = pglGetAttribLocation(program, "y");
pglBindBuffer(GL_ARRAY_BUFFER, mesh_vbo[1]);
pglBufferData(GL_ARRAY_BUFFER, sizeof(GLfloat) * MAP_NUM_TOTAL_VERTICES, &map_vertices[1][0], GL_DYNAMIC_DRAW);
pglEnableVertexAttribArray(attrloc);
pglVertexAttribPointer(attrloc, 1, GL_FLOAT, GL_FALSE, 0, 0);
}
/* Update VBO vertices from source data
*/
static void update_mesh(void)
{
pglBufferSubData(GL_ARRAY_BUFFER, 0, sizeof(GLfloat) * MAP_NUM_TOTAL_VERTICES, &map_vertices[1][0]);
}
/**********************************************************************
* GLFW callback functions
*********************************************************************/
static void key_callback(GLFWwindow* window, int key, int scancode, int action, int mods)
{
switch(key)
{
case GLFW_KEY_ESCAPE:
/* Exit program on Escape */
glfwSetWindowShouldClose(window, GL_TRUE);
break;
}
}
/* Print usage information */
static void usage(void)
{
printf("Usage: heightmap [-v <vertex_shader_path>] [-f <fragment_shader_path>]\n");
printf(" heightmap [-h]\n");
}
int main(int argc, char** argv)
{
GLFWwindow* window;
int ch, iter;
double dt;
double last_update_time;
int frame;
float f;
GLint uloc_modelview;
GLint uloc_project;
char* vertex_shader_path = NULL;
char* fragment_shader_path = NULL;
char* vertex_shader_src = NULL;
char* fragment_shader_src = NULL;
GLuint shader_program;
while ((ch = getopt(argc, argv, "f:v:h")) != -1)
{
switch (ch)
{
case 'f':
fragment_shader_path = optarg;
break;
case 'v':
vertex_shader_path = optarg;
break;
case 'h':
usage();
exit(EXIT_SUCCESS);
default:
usage();
exit(EXIT_FAILURE);
}
}
if (fragment_shader_path)
{
vertex_shader_src = read_file_content(fragment_shader_path);
if (!fragment_shader_src)
{
fprintf(stderr,
"ERROR: unable to load fragment shader from '%s'\n",
fragment_shader_path);
exit(EXIT_FAILURE);
}
}
if (vertex_shader_path)
{
vertex_shader_src = read_file_content(vertex_shader_path);
if (!vertex_shader_src)
{
fprintf(stderr,
"ERROR: unable to load vertex shader from '%s'\n",
fragment_shader_path);
exit(EXIT_FAILURE);
}
}
if (!glfwInit())
{
fprintf(stderr, "ERROR: Unable to initialize GLFW\n");
usage();
free(vertex_shader_src);
free(fragment_shader_src);
exit(EXIT_FAILURE);
}
glfwWindowHint(GLFW_RESIZABLE, GL_FALSE);
glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 2);
glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_FALSE);
window = glfwCreateWindow(800, 600, "GLFW OpenGL3 Heightmap demo", NULL, NULL);
if (! window )
{
fprintf(stderr, "ERROR: Unable to create the OpenGL context and associated window\n");
usage();
free(vertex_shader_src);
free(fragment_shader_src);
glfwTerminate();
exit(EXIT_FAILURE);
}
/* Register events callback */
glfwSetKeyCallback(window, key_callback);
glfwMakeContextCurrent(window);
if (GL_TRUE != init_opengl())
{
fprintf(stderr, "ERROR: unable to resolve OpenGL function pointers\n");
free(vertex_shader_src);
free(fragment_shader_src);
glfwTerminate();
exit(EXIT_FAILURE);
}
/* Prepare opengl resources for rendering */
shader_program = make_shader_program(vertex_shader_src , fragment_shader_src);
free(vertex_shader_src);
free(fragment_shader_src);
if (shader_program == 0u)
{
fprintf(stderr, "ERROR: during creation of the shader program\n");
usage();
glfwTerminate();
exit(EXIT_FAILURE);
}
pglUseProgram(shader_program);
uloc_project = pglGetUniformLocation(shader_program, "project");
uloc_modelview = pglGetUniformLocation(shader_program, "modelview");
/* Compute the projection matrix */
f = 1.0f / tanf(view_angle / 2.0f);
projection_matrix[0] = f / aspect_ratio;
projection_matrix[5] = f;
projection_matrix[10] = (z_far + z_near)/ (z_near - z_far);
projection_matrix[11] = -1.0f;
projection_matrix[14] = 2.0f * (z_far * z_near) / (z_near - z_far);
pglUniformMatrix4fv(uloc_project, 1, GL_FALSE, projection_matrix);
/* Set the camera position */
modelview_matrix[12] = -5.0f;
modelview_matrix[13] = -5.0f;
modelview_matrix[14] = -20.0f;
pglUniformMatrix4fv(uloc_modelview, 1, GL_FALSE, modelview_matrix);
/* Create mesh data */
init_map();
make_mesh(shader_program);
/* Create vao + vbo to store the mesh */
/* Create the vbo to store all the information for the grid and the height */
/* setup the scene ready for rendering */
glViewport(0, 0, 800, 600);
glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
/* main loop */
frame = 0;
iter = 0;
last_update_time = glfwGetTime();
while (!glfwWindowShouldClose(window))
{
++frame;
/* render the next frame */
glClear(GL_COLOR_BUFFER_BIT);
glDrawElements(GL_LINES, 2* MAP_NUM_LINES , GL_UNSIGNED_INT, 0);
/* display and process events through callbacks */
glfwSwapBuffers(window);
glfwPollEvents();
/* Check the frame rate and update the heightmap if needed */
dt = glfwGetTime();
if ((dt - last_update_time) > 0.2)
{
/* generate the next iteration of the heightmap */
if (iter < MAX_ITER)
{
update_map(NUM_ITER_AT_A_TIME);
update_mesh();
iter += NUM_ITER_AT_A_TIME;
}
last_update_time = dt;
frame = 0;
}
}
glfwTerminate();
exit(EXIT_SUCCESS);
}

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//========================================================================
// Simple GLFW example
// Copyright (c) Camilla Berglund <elmindreda@elmindreda.org>
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would
// be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such, and must not
// be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source
// distribution.
//
//========================================================================
//! [code]
#include <GLFW/glfw3.h>
#include <stdlib.h>
#include <stdio.h>
static void error_callback(int error, const char* description)
{
fputs(description, stderr);
}
static void key_callback(GLFWwindow* window, int key, int scancode, int action, int mods)
{
if (key == GLFW_KEY_ESCAPE && action == GLFW_PRESS)
glfwSetWindowShouldClose(window, GL_TRUE);
}
int main(void)
{
GLFWwindow* window;
glfwSetErrorCallback(error_callback);
if (!glfwInit())
exit(EXIT_FAILURE);
window = glfwCreateWindow(640, 480, "Simple example", NULL, NULL);
if (!window)
{
glfwTerminate();
exit(EXIT_FAILURE);
}
glfwMakeContextCurrent(window);
glfwSetKeyCallback(window, key_callback);
while (!glfwWindowShouldClose(window))
{
float ratio;
int width, height;
glfwGetFramebufferSize(window, &width, &height);
ratio = width / (float) height;
glViewport(0, 0, width, height);
glClear(GL_COLOR_BUFFER_BIT);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glOrtho(-ratio, ratio, -1.f, 1.f, 1.f, -1.f);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
glRotatef((float) glfwGetTime() * 50.f, 0.f, 0.f, 1.f);
glBegin(GL_TRIANGLES);
glColor3f(1.f, 0.f, 0.f);
glVertex3f(-0.6f, -0.4f, 0.f);
glColor3f(0.f, 1.f, 0.f);
glVertex3f(0.6f, -0.4f, 0.f);
glColor3f(0.f, 0.f, 1.f);
glVertex3f(0.f, 0.6f, 0.f);
glEnd();
glfwSwapBuffers(window);
glfwPollEvents();
}
glfwDestroyWindow(window);
glfwTerminate();
exit(EXIT_SUCCESS);
}
//! [code]

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//========================================================================
// This is an example program for the GLFW library
//
// The program uses a "split window" view, rendering four views of the
// same scene in one window (e.g. uesful for 3D modelling software). This
// demo uses scissors to separete the four different rendering areas from
// each other.
//
// (If the code seems a little bit strange here and there, it may be
// because I am not a friend of orthogonal projections)
//========================================================================
#define GLFW_INCLUDE_GLU
#include <GLFW/glfw3.h>
#include <math.h>
#include <stdio.h>
#include <stdlib.h>
#ifndef M_PI
#define M_PI 3.14159265358979323846
#endif
//========================================================================
// Global variables
//========================================================================
// Mouse position
static double xpos = 0, ypos = 0;
// Window size
static int width, height;
// Active view: 0 = none, 1 = upper left, 2 = upper right, 3 = lower left,
// 4 = lower right
static int active_view = 0;
// Rotation around each axis
static int rot_x = 0, rot_y = 0, rot_z = 0;
// Do redraw?
static int do_redraw = 1;
//========================================================================
// Draw a solid torus (use a display list for the model)
//========================================================================
#define TORUS_MAJOR 1.5
#define TORUS_MINOR 0.5
#define TORUS_MAJOR_RES 32
#define TORUS_MINOR_RES 32
static void drawTorus(void)
{
static GLuint torus_list = 0;
int i, j, k;
double s, t, x, y, z, nx, ny, nz, scale, twopi;
if (!torus_list)
{
// Start recording displaylist
torus_list = glGenLists(1);
glNewList(torus_list, GL_COMPILE_AND_EXECUTE);
// Draw torus
twopi = 2.0 * M_PI;
for (i = 0; i < TORUS_MINOR_RES; i++)
{
glBegin(GL_QUAD_STRIP);
for (j = 0; j <= TORUS_MAJOR_RES; j++)
{
for (k = 1; k >= 0; k--)
{
s = (i + k) % TORUS_MINOR_RES + 0.5;
t = j % TORUS_MAJOR_RES;
// Calculate point on surface
x = (TORUS_MAJOR + TORUS_MINOR * cos(s * twopi / TORUS_MINOR_RES)) * cos(t * twopi / TORUS_MAJOR_RES);
y = TORUS_MINOR * sin(s * twopi / TORUS_MINOR_RES);
z = (TORUS_MAJOR + TORUS_MINOR * cos(s * twopi / TORUS_MINOR_RES)) * sin(t * twopi / TORUS_MAJOR_RES);
// Calculate surface normal
nx = x - TORUS_MAJOR * cos(t * twopi / TORUS_MAJOR_RES);
ny = y;
nz = z - TORUS_MAJOR * sin(t * twopi / TORUS_MAJOR_RES);
scale = 1.0 / sqrt(nx*nx + ny*ny + nz*nz);
nx *= scale;
ny *= scale;
nz *= scale;
glNormal3f((float) nx, (float) ny, (float) nz);
glVertex3f((float) x, (float) y, (float) z);
}
}
glEnd();
}
// Stop recording displaylist
glEndList();
}
else
{
// Playback displaylist
glCallList(torus_list);
}
}
//========================================================================
// Draw the scene (a rotating torus)
//========================================================================
static void drawScene(void)
{
const GLfloat model_diffuse[4] = {1.0f, 0.8f, 0.8f, 1.0f};
const GLfloat model_specular[4] = {0.6f, 0.6f, 0.6f, 1.0f};
const GLfloat model_shininess = 20.0f;
glPushMatrix();
// Rotate the object
glRotatef((GLfloat) rot_x * 0.5f, 1.0f, 0.0f, 0.0f);
glRotatef((GLfloat) rot_y * 0.5f, 0.0f, 1.0f, 0.0f);
glRotatef((GLfloat) rot_z * 0.5f, 0.0f, 0.0f, 1.0f);
// Set model color (used for orthogonal views, lighting disabled)
glColor4fv(model_diffuse);
// Set model material (used for perspective view, lighting enabled)
glMaterialfv(GL_FRONT, GL_DIFFUSE, model_diffuse);
glMaterialfv(GL_FRONT, GL_SPECULAR, model_specular);
glMaterialf(GL_FRONT, GL_SHININESS, model_shininess);
// Draw torus
drawTorus();
glPopMatrix();
}
//========================================================================
// Draw a 2D grid (used for orthogonal views)
//========================================================================
static void drawGrid(float scale, int steps)
{
int i;
float x, y;
glPushMatrix();
// Set background to some dark bluish grey
glClearColor(0.05f, 0.05f, 0.2f, 0.0f);
glClear(GL_COLOR_BUFFER_BIT);
// Setup modelview matrix (flat XY view)
glLoadIdentity();
gluLookAt(0.0, 0.0, 1.0,
0.0, 0.0, 0.0,
0.0, 1.0, 0.0);
// We don't want to update the Z-buffer
glDepthMask(GL_FALSE);
// Set grid color
glColor3f(0.0f, 0.5f, 0.5f);
glBegin(GL_LINES);
// Horizontal lines
x = scale * 0.5f * (float) (steps - 1);
y = -scale * 0.5f * (float) (steps - 1);
for (i = 0; i < steps; i++)
{
glVertex3f(-x, y, 0.0f);
glVertex3f(x, y, 0.0f);
y += scale;
}
// Vertical lines
x = -scale * 0.5f * (float) (steps - 1);
y = scale * 0.5f * (float) (steps - 1);
for (i = 0; i < steps; i++)
{
glVertex3f(x, -y, 0.0f);
glVertex3f(x, y, 0.0f);
x += scale;
}
glEnd();
// Enable Z-buffer writing again
glDepthMask(GL_TRUE);
glPopMatrix();
}
//========================================================================
// Draw all views
//========================================================================
static void drawAllViews(void)
{
const GLfloat light_position[4] = {0.0f, 8.0f, 8.0f, 1.0f};
const GLfloat light_diffuse[4] = {1.0f, 1.0f, 1.0f, 1.0f};
const GLfloat light_specular[4] = {1.0f, 1.0f, 1.0f, 1.0f};
const GLfloat light_ambient[4] = {0.2f, 0.2f, 0.3f, 1.0f};
double aspect;
// Calculate aspect of window
if (height > 0)
aspect = (double) width / (double) height;
else
aspect = 1.0;
// Clear screen
glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
// Enable scissor test
glEnable(GL_SCISSOR_TEST);
// Enable depth test
glEnable(GL_DEPTH_TEST);
glDepthFunc(GL_LEQUAL);
// ** ORTHOGONAL VIEWS **
// For orthogonal views, use wireframe rendering
glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
// Enable line anti-aliasing
glEnable(GL_LINE_SMOOTH);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
// Setup orthogonal projection matrix
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glOrtho(-3.0 * aspect, 3.0 * aspect, -3.0, 3.0, 1.0, 50.0);
// Upper left view (TOP VIEW)
glViewport(0, height / 2, width / 2, height / 2);
glScissor(0, height / 2, width / 2, height / 2);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
gluLookAt(0.0f, 10.0f, 1e-3f, // Eye-position (above)
0.0f, 0.0f, 0.0f, // View-point
0.0f, 1.0f, 0.0f); // Up-vector
drawGrid(0.5, 12);
drawScene();
// Lower left view (FRONT VIEW)
glViewport(0, 0, width / 2, height / 2);
glScissor(0, 0, width / 2, height / 2);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
gluLookAt(0.0f, 0.0f, 10.0f, // Eye-position (in front of)
0.0f, 0.0f, 0.0f, // View-point
0.0f, 1.0f, 0.0f); // Up-vector
drawGrid(0.5, 12);
drawScene();
// Lower right view (SIDE VIEW)
glViewport(width / 2, 0, width / 2, height / 2);
glScissor(width / 2, 0, width / 2, height / 2);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
gluLookAt(10.0f, 0.0f, 0.0f, // Eye-position (to the right)
0.0f, 0.0f, 0.0f, // View-point
0.0f, 1.0f, 0.0f); // Up-vector
drawGrid(0.5, 12);
drawScene();
// Disable line anti-aliasing
glDisable(GL_LINE_SMOOTH);
glDisable(GL_BLEND);
// ** PERSPECTIVE VIEW **
// For perspective view, use solid rendering
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
// Enable face culling (faster rendering)
glEnable(GL_CULL_FACE);
glCullFace(GL_BACK);
glFrontFace(GL_CW);
// Setup perspective projection matrix
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
gluPerspective(65.0f, aspect, 1.0f, 50.0f);
// Upper right view (PERSPECTIVE VIEW)
glViewport(width / 2, height / 2, width / 2, height / 2);
glScissor(width / 2, height / 2, width / 2, height / 2);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
gluLookAt(3.0f, 1.5f, 3.0f, // Eye-position
0.0f, 0.0f, 0.0f, // View-point
0.0f, 1.0f, 0.0f); // Up-vector
// Configure and enable light source 1
glLightfv(GL_LIGHT1, GL_POSITION, light_position);
glLightfv(GL_LIGHT1, GL_AMBIENT, light_ambient);
glLightfv(GL_LIGHT1, GL_DIFFUSE, light_diffuse);
glLightfv(GL_LIGHT1, GL_SPECULAR, light_specular);
glEnable(GL_LIGHT1);
glEnable(GL_LIGHTING);
// Draw scene
drawScene();
// Disable lighting
glDisable(GL_LIGHTING);
// Disable face culling
glDisable(GL_CULL_FACE);
// Disable depth test
glDisable(GL_DEPTH_TEST);
// Disable scissor test
glDisable(GL_SCISSOR_TEST);
// Draw a border around the active view
if (active_view > 0 && active_view != 2)
{
glViewport(0, 0, width, height);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glOrtho(0.0, 2.0, 0.0, 2.0, 0.0, 1.0);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
glTranslatef((GLfloat) ((active_view - 1) & 1), (GLfloat) (1 - (active_view - 1) / 2), 0.0f);
glColor3f(1.0f, 1.0f, 0.6f);
glBegin(GL_LINE_STRIP);
glVertex2i(0, 0);
glVertex2i(1, 0);
glVertex2i(1, 1);
glVertex2i(0, 1);
glVertex2i(0, 0);
glEnd();
}
}
//========================================================================
// Framebuffer size callback function
//========================================================================
static void framebufferSizeFun(GLFWwindow* window, int w, int h)
{
width = w;
height = h > 0 ? h : 1;
do_redraw = 1;
}
//========================================================================
// Window refresh callback function
//========================================================================
static void windowRefreshFun(GLFWwindow* window)
{
do_redraw = 1;
}
//========================================================================
// Mouse position callback function
//========================================================================
static void cursorPosFun(GLFWwindow* window, double x, double y)
{
// Depending on which view was selected, rotate around different axes
switch (active_view)
{
case 1:
rot_x += (int) (y - ypos);
rot_z += (int) (x - xpos);
do_redraw = 1;
break;
case 3:
rot_x += (int) (y - ypos);
rot_y += (int) (x - xpos);
do_redraw = 1;
break;
case 4:
rot_y += (int) (x - xpos);
rot_z += (int) (y - ypos);
do_redraw = 1;
break;
default:
// Do nothing for perspective view, or if no view is selected
break;
}
// Remember cursor position
xpos = x;
ypos = y;
}
//========================================================================
// Mouse button callback function
//========================================================================
static void mouseButtonFun(GLFWwindow* window, int button, int action, int mods)
{
if ((button == GLFW_MOUSE_BUTTON_LEFT) && action == GLFW_PRESS)
{
// Detect which of the four views was clicked
active_view = 1;
if (xpos >= width / 2)
active_view += 1;
if (ypos >= height / 2)
active_view += 2;
}
else if (button == GLFW_MOUSE_BUTTON_LEFT)
{
// Deselect any previously selected view
active_view = 0;
}
do_redraw = 1;
}
static void key_callback(GLFWwindow* window, int key, int scancode, int action, int mods)
{
if (key == GLFW_KEY_ESCAPE && action == GLFW_PRESS)
glfwSetWindowShouldClose(window, GL_TRUE);
}
//========================================================================
// main
//========================================================================
int main(void)
{
GLFWwindow* window;
// Initialise GLFW
if (!glfwInit())
{
fprintf(stderr, "Failed to initialize GLFW\n");
exit(EXIT_FAILURE);
}
// Open OpenGL window
window = glfwCreateWindow(500, 500, "Split view demo", NULL, NULL);
if (!window)
{
fprintf(stderr, "Failed to open GLFW window\n");
glfwTerminate();
exit(EXIT_FAILURE);
}
// Set callback functions
glfwSetFramebufferSizeCallback(window, framebufferSizeFun);
glfwSetWindowRefreshCallback(window, windowRefreshFun);
glfwSetCursorPosCallback(window, cursorPosFun);
glfwSetMouseButtonCallback(window, mouseButtonFun);
glfwSetKeyCallback(window, key_callback);
// Enable vsync
glfwMakeContextCurrent(window);
glfwSwapInterval(1);
glfwGetFramebufferSize(window, &width, &height);
framebufferSizeFun(window, width, height);
// Main loop
for (;;)
{
// Only redraw if we need to
if (do_redraw)
{
// Draw all views
drawAllViews();
// Swap buffers
glfwSwapBuffers(window);
do_redraw = 0;
}
// Wait for new events
glfwWaitEvents();
// Check if the window should be closed
if (glfwWindowShouldClose(window))
break;
}
// Close OpenGL window and terminate GLFW
glfwTerminate();
exit(EXIT_SUCCESS);
}

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/*****************************************************************************
* Wave Simulation in OpenGL
* (C) 2002 Jakob Thomsen
* http://home.in.tum.de/~thomsen
* Modified for GLFW by Sylvain Hellegouarch - sh@programmationworld.com
* Modified for variable frame rate by Marcus Geelnard
* 2003-Jan-31: Minor cleanups and speedups / MG
* 2010-10-24: Formatting and cleanup - Camilla Berglund
*****************************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#define GLFW_INCLUDE_GLU
#include <GLFW/glfw3.h>
#ifndef M_PI
#define M_PI 3.1415926535897932384626433832795
#endif
// Maximum delta T to allow for differential calculations
#define MAX_DELTA_T 0.01
// Animation speed (10.0 looks good)
#define ANIMATION_SPEED 10.0
GLfloat alpha = 210.f, beta = -70.f;
GLfloat zoom = 2.f;
GLboolean locked = GL_FALSE;
int cursorX;
int cursorY;
struct Vertex
{
GLfloat x, y, z;
GLfloat r, g, b;
};
#define GRIDW 50
#define GRIDH 50
#define VERTEXNUM (GRIDW*GRIDH)
#define QUADW (GRIDW - 1)
#define QUADH (GRIDH - 1)
#define QUADNUM (QUADW*QUADH)
GLuint quad[4 * QUADNUM];
struct Vertex vertex[VERTEXNUM];
/* The grid will look like this:
*
* 3 4 5
* *---*---*
* | | |
* | 0 | 1 |
* | | |
* *---*---*
* 0 1 2
*/
//========================================================================
// Initialize grid geometry
//========================================================================
void init_vertices(void)
{
int x, y, p;
// Place the vertices in a grid
for (y = 0; y < GRIDH; y++)
{
for (x = 0; x < GRIDW; x++)
{
p = y * GRIDW + x;
vertex[p].x = (GLfloat) (x - GRIDW / 2) / (GLfloat) (GRIDW / 2);
vertex[p].y = (GLfloat) (y - GRIDH / 2) / (GLfloat) (GRIDH / 2);
vertex[p].z = 0;
if ((x % 4 < 2) ^ (y % 4 < 2))
vertex[p].r = 0.0;
else
vertex[p].r = 1.0;
vertex[p].g = (GLfloat) y / (GLfloat) GRIDH;
vertex[p].b = 1.f - ((GLfloat) x / (GLfloat) GRIDW + (GLfloat) y / (GLfloat) GRIDH) / 2.f;
}
}
for (y = 0; y < QUADH; y++)
{
for (x = 0; x < QUADW; x++)
{
p = 4 * (y * QUADW + x);
quad[p + 0] = y * GRIDW + x; // Some point
quad[p + 1] = y * GRIDW + x + 1; // Neighbor at the right side
quad[p + 2] = (y + 1) * GRIDW + x + 1; // Upper right neighbor
quad[p + 3] = (y + 1) * GRIDW + x; // Upper neighbor
}
}
}
double dt;
double p[GRIDW][GRIDH];
double vx[GRIDW][GRIDH], vy[GRIDW][GRIDH];
double ax[GRIDW][GRIDH], ay[GRIDW][GRIDH];
//========================================================================
// Initialize grid
//========================================================================
void init_grid(void)
{
int x, y;
double dx, dy, d;
for (y = 0; y < GRIDH; y++)
{
for (x = 0; x < GRIDW; x++)
{
dx = (double) (x - GRIDW / 2);
dy = (double) (y - GRIDH / 2);
d = sqrt(dx * dx + dy * dy);
if (d < 0.1 * (double) (GRIDW / 2))
{
d = d * 10.0;
p[x][y] = -cos(d * (M_PI / (double)(GRIDW * 4))) * 100.0;
}
else
p[x][y] = 0.0;
vx[x][y] = 0.0;
vy[x][y] = 0.0;
}
}
}
//========================================================================
// Draw scene
//========================================================================
void draw_scene(GLFWwindow* window)
{
// Clear the color and depth buffers
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
// We don't want to modify the projection matrix
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
// Move back
glTranslatef(0.0, 0.0, -zoom);
// Rotate the view
glRotatef(beta, 1.0, 0.0, 0.0);
glRotatef(alpha, 0.0, 0.0, 1.0);
glDrawElements(GL_QUADS, 4 * QUADNUM, GL_UNSIGNED_INT, quad);
glfwSwapBuffers(window);
}
//========================================================================
// Initialize Miscellaneous OpenGL state
//========================================================================
void init_opengl(void)
{
// Use Gouraud (smooth) shading
glShadeModel(GL_SMOOTH);
// Switch on the z-buffer
glEnable(GL_DEPTH_TEST);
glEnableClientState(GL_VERTEX_ARRAY);
glEnableClientState(GL_COLOR_ARRAY);
glVertexPointer(3, GL_FLOAT, sizeof(struct Vertex), vertex);
glColorPointer(3, GL_FLOAT, sizeof(struct Vertex), &vertex[0].r); // Pointer to the first color
glPointSize(2.0);
// Background color is black
glClearColor(0, 0, 0, 0);
}
//========================================================================
// Modify the height of each vertex according to the pressure
//========================================================================
void adjust_grid(void)
{
int pos;
int x, y;
for (y = 0; y < GRIDH; y++)
{
for (x = 0; x < GRIDW; x++)
{
pos = y * GRIDW + x;
vertex[pos].z = (float) (p[x][y] * (1.0 / 50.0));
}
}
}
//========================================================================
// Calculate wave propagation
//========================================================================
void calc_grid(void)
{
int x, y, x2, y2;
double time_step = dt * ANIMATION_SPEED;
// Compute accelerations
for (x = 0; x < GRIDW; x++)
{
x2 = (x + 1) % GRIDW;
for(y = 0; y < GRIDH; y++)
ax[x][y] = p[x][y] - p[x2][y];
}
for (y = 0; y < GRIDH; y++)
{
y2 = (y + 1) % GRIDH;
for(x = 0; x < GRIDW; x++)
ay[x][y] = p[x][y] - p[x][y2];
}
// Compute speeds
for (x = 0; x < GRIDW; x++)
{
for (y = 0; y < GRIDH; y++)
{
vx[x][y] = vx[x][y] + ax[x][y] * time_step;
vy[x][y] = vy[x][y] + ay[x][y] * time_step;
}
}
// Compute pressure
for (x = 1; x < GRIDW; x++)
{
x2 = x - 1;
for (y = 1; y < GRIDH; y++)
{
y2 = y - 1;
p[x][y] = p[x][y] + (vx[x2][y] - vx[x][y] + vy[x][y2] - vy[x][y]) * time_step;
}
}
}
//========================================================================
// Print errors
//========================================================================
static void error_callback(int error, const char* description)
{
fprintf(stderr, "Error: %s\n", description);
}
//========================================================================
// Handle key strokes
//========================================================================
void key_callback(GLFWwindow* window, int key, int scancode, int action, int mods)
{
if (action != GLFW_PRESS)
return;
switch (key)
{
case GLFW_KEY_ESCAPE:
glfwSetWindowShouldClose(window, GL_TRUE);
break;
case GLFW_KEY_SPACE:
init_grid();
break;
case GLFW_KEY_LEFT:
alpha += 5;
break;
case GLFW_KEY_RIGHT:
alpha -= 5;
break;
case GLFW_KEY_UP:
beta -= 5;
break;
case GLFW_KEY_DOWN:
beta += 5;
break;
case GLFW_KEY_PAGE_UP:
zoom -= 0.25f;
if (zoom < 0.f)
zoom = 0.f;
break;
case GLFW_KEY_PAGE_DOWN:
zoom += 0.25f;
break;
default:
break;
}
}
//========================================================================
// Callback function for mouse button events
//========================================================================
void mouse_button_callback(GLFWwindow* window, int button, int action, int mods)
{
if (button != GLFW_MOUSE_BUTTON_LEFT)
return;
if (action == GLFW_PRESS)
{
glfwSetInputMode(window, GLFW_CURSOR, GLFW_CURSOR_DISABLED);
locked = GL_TRUE;
}
else
{
locked = GL_FALSE;
glfwSetInputMode(window, GLFW_CURSOR, GLFW_CURSOR_NORMAL);
}
}
//========================================================================
// Callback function for cursor motion events
//========================================================================
void cursor_position_callback(GLFWwindow* window, double x, double y)
{
if (locked)
{
alpha += (GLfloat) (x - cursorX) / 10.f;
beta += (GLfloat) (y - cursorY) / 10.f;
}
cursorX = (int) x;
cursorY = (int) y;
}
//========================================================================
// Callback function for scroll events
//========================================================================
void scroll_callback(GLFWwindow* window, double x, double y)
{
zoom += (float) y / 4.f;
if (zoom < 0)
zoom = 0;
}
//========================================================================
// Callback function for framebuffer resize events
//========================================================================
void framebuffer_size_callback(GLFWwindow* window, int width, int height)
{
float ratio = 1.f;
if (height > 0)
ratio = (float) width / (float) height;
// Setup viewport
glViewport(0, 0, width, height);
// Change to the projection matrix and set our viewing volume
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
gluPerspective(60.0, ratio, 1.0, 1024.0);
}
//========================================================================
// main
//========================================================================
int main(int argc, char* argv[])
{
GLFWwindow* window;
double t, dt_total, t_old;
int width, height;
glfwSetErrorCallback(error_callback);
if (!glfwInit())
exit(EXIT_FAILURE);
window = glfwCreateWindow(640, 480, "Wave Simulation", NULL, NULL);
if (!window)
{
glfwTerminate();
exit(EXIT_FAILURE);
}
glfwSetKeyCallback(window, key_callback);
glfwSetFramebufferSizeCallback(window, framebuffer_size_callback);
glfwSetMouseButtonCallback(window, mouse_button_callback);
glfwSetCursorPosCallback(window, cursor_position_callback);
glfwSetScrollCallback(window, scroll_callback);
glfwMakeContextCurrent(window);
glfwSwapInterval(1);
glfwGetFramebufferSize(window, &width, &height);
framebuffer_size_callback(window, width, height);
// Initialize OpenGL
init_opengl();
// Initialize simulation
init_vertices();
init_grid();
adjust_grid();
// Initialize timer
t_old = glfwGetTime() - 0.01;
while (!glfwWindowShouldClose(window))
{
t = glfwGetTime();
dt_total = t - t_old;
t_old = t;
// Safety - iterate if dt_total is too large
while (dt_total > 0.f)
{
// Select iteration time step
dt = dt_total > MAX_DELTA_T ? MAX_DELTA_T : dt_total;
dt_total -= dt;
// Calculate wave propagation
calc_grid();
}
// Compute height of each vertex
adjust_grid();
// Draw wave grid to OpenGL display
draw_scene(window);
glfwPollEvents();
}
exit(EXIT_SUCCESS);
}

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extern/glfw-3.0.4/include/GLFW/glfw3.h vendored Normal file
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extern/glfw-3.0.4/include/GLFW/glfw3native.h vendored Normal file
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/*************************************************************************
* GLFW 3.0 - www.glfw.org
* A library for OpenGL, window and input
*------------------------------------------------------------------------
* Copyright (c) 2002-2006 Marcus Geelnard
* Copyright (c) 2006-2010 Camilla Berglund <elmindreda@elmindreda.org>
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event will the authors be held liable for any damages
* arising from the use of this software.
*
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute it
* freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you must not
* claim that you wrote the original software. If you use this software
* in a product, an acknowledgment in the product documentation would
* be appreciated but is not required.
*
* 2. Altered source versions must be plainly marked as such, and must not
* be misrepresented as being the original software.
*
* 3. This notice may not be removed or altered from any source
* distribution.
*
*************************************************************************/
#ifndef _glfw3_native_h_
#define _glfw3_native_h_
#ifdef __cplusplus
extern "C" {
#endif
/*************************************************************************
* Doxygen documentation
*************************************************************************/
/*! @defgroup native Native access
*
* **By using the native API, you assert that you know what you're doing and
* how to fix problems caused by using it. If you don't, you shouldn't be
* using it.**
*
* Before the inclusion of @ref glfw3native.h, you must define exactly one
* window API macro and exactly one context API macro. Failure to do this
* will cause a compile-time error.
*
* The available window API macros are:
* * `GLFW_EXPOSE_NATIVE_WIN32`
* * `GLFW_EXPOSE_NATIVE_COCOA`
* * `GLFW_EXPOSE_NATIVE_X11`
*
* The available context API macros are:
* * `GLFW_EXPOSE_NATIVE_WGL`
* * `GLFW_EXPOSE_NATIVE_NSGL`
* * `GLFW_EXPOSE_NATIVE_GLX`
* * `GLFW_EXPOSE_NATIVE_EGL`
*
* These macros select which of the native access functions that are declared
* and which platform-specific headers to include. It is then up your (by
* definition platform-specific) code to handle which of these should be
* defined.
*/
/*************************************************************************
* System headers and types
*************************************************************************/
#if defined(GLFW_EXPOSE_NATIVE_WIN32)
#include <windows.h>
#elif defined(GLFW_EXPOSE_NATIVE_COCOA)
#if defined(__OBJC__)
#import <Cocoa/Cocoa.h>
#else
typedef void* id;
#endif
#elif defined(GLFW_EXPOSE_NATIVE_X11)
#include <X11/Xlib.h>
#else
#error "No window API specified"
#endif
#if defined(GLFW_EXPOSE_NATIVE_WGL)
/* WGL is declared by windows.h */
#elif defined(GLFW_EXPOSE_NATIVE_NSGL)
/* NSGL is declared by Cocoa.h */
#elif defined(GLFW_EXPOSE_NATIVE_GLX)
#include <GL/glx.h>
#elif defined(GLFW_EXPOSE_NATIVE_EGL)
#include <EGL/egl.h>
#else
#error "No context API specified"
#endif
/*************************************************************************
* Functions
*************************************************************************/
#if defined(GLFW_EXPOSE_NATIVE_WIN32)
/*! @brief Returns the `HWND` of the specified window.
* @return The `HWND` of the specified window.
* @ingroup native
*/
GLFWAPI HWND glfwGetWin32Window(GLFWwindow* window);
#endif
#if defined(GLFW_EXPOSE_NATIVE_WGL)
/*! @brief Returns the `HGLRC` of the specified window.
* @return The `HGLRC` of the specified window.
* @ingroup native
*/
GLFWAPI HGLRC glfwGetWGLContext(GLFWwindow* window);
#endif
#if defined(GLFW_EXPOSE_NATIVE_COCOA)
/*! @brief Returns the `NSWindow` of the specified window.
* @return The `NSWindow` of the specified window.
* @ingroup native
*/
GLFWAPI id glfwGetCocoaWindow(GLFWwindow* window);
#endif
#if defined(GLFW_EXPOSE_NATIVE_NSGL)
/*! @brief Returns the `NSOpenGLContext` of the specified window.
* @return The `NSOpenGLContext` of the specified window.
* @ingroup native
*/
GLFWAPI id glfwGetNSGLContext(GLFWwindow* window);
#endif
#if defined(GLFW_EXPOSE_NATIVE_X11)
/*! @brief Returns the `Display` used by GLFW.
* @return The `Display` used by GLFW.
* @ingroup native
*/
GLFWAPI Display* glfwGetX11Display(void);
/*! @brief Returns the `Window` of the specified window.
* @return The `Window` of the specified window.
* @ingroup native
*/
GLFWAPI Window glfwGetX11Window(GLFWwindow* window);
#endif
#if defined(GLFW_EXPOSE_NATIVE_GLX)
/*! @brief Returns the `GLXContext` of the specified window.
* @return The `GLXContext` of the specified window.
* @ingroup native
*/
GLFWAPI GLXContext glfwGetGLXContext(GLFWwindow* window);
#endif
#if defined(GLFW_EXPOSE_NATIVE_EGL)
/*! @brief Returns the `EGLDisplay` used by GLFW.
* @return The `EGLDisplay` used by GLFW.
* @ingroup native
*/
GLFWAPI EGLDisplay glfwGetEGLDisplay(void);
/*! @brief Returns the `EGLContext` of the specified window.
* @return The `EGLContext` of the specified window.
* @ingroup native
*/
GLFWAPI EGLContext glfwGetEGLContext(GLFWwindow* window);
/*! @brief Returns the `EGLSurface` of the specified window.
* @return The `EGLSurface` of the specified window.
* @ingroup native
*/
GLFWAPI EGLSurface glfwGetEGLSurface(GLFWwindow* window);
#endif
#ifdef __cplusplus
}
#endif
#endif /* _glfw3_native_h_ */

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extern/glfw-3.0.4/src/CMakeLists.txt vendored Normal file
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include_directories(${GLFW_SOURCE_DIR}/src
${GLFW_BINARY_DIR}/src
${glfw_INCLUDE_DIRS})
add_definitions(-D_GLFW_USE_CONFIG_H)
set(common_HEADERS ${GLFW_BINARY_DIR}/src/glfw_config.h internal.h
${GLFW_SOURCE_DIR}/include/GLFW/glfw3.h
${GLFW_SOURCE_DIR}/include/GLFW/glfw3native.h)
set(common_SOURCES clipboard.c context.c gamma.c init.c input.c joystick.c
monitor.c time.c window.c)
if (_GLFW_COCOA)
set(glfw_HEADERS ${common_HEADERS} cocoa_platform.h)
set(glfw_SOURCES ${common_SOURCES} cocoa_clipboard.m cocoa_gamma.c
cocoa_init.m cocoa_joystick.m cocoa_monitor.m cocoa_time.c
cocoa_window.m)
elseif (_GLFW_WIN32)
set(glfw_HEADERS ${common_HEADERS} win32_platform.h)
set(glfw_SOURCES ${common_SOURCES} win32_clipboard.c win32_gamma.c
win32_init.c win32_joystick.c win32_monitor.c win32_time.c
win32_window.c)
elseif (_GLFW_X11)
set(glfw_HEADERS ${common_HEADERS} x11_platform.h)
set(glfw_SOURCES ${common_SOURCES} x11_clipboard.c x11_gamma.c x11_init.c
x11_joystick.c x11_monitor.c x11_time.c x11_window.c
x11_unicode.c)
endif()
if (_GLFW_EGL)
list(APPEND glfw_HEADERS ${common_HEADERS} egl_platform.h)
list(APPEND glfw_SOURCES ${common_SOURCES} egl_context.c)
elseif (_GLFW_NSGL)
list(APPEND glfw_HEADERS ${common_HEADERS} nsgl_platform.h)
list(APPEND glfw_SOURCES ${common_SOURCES} nsgl_context.m)
elseif (_GLFW_WGL)
list(APPEND glfw_HEADERS ${common_HEADERS} wgl_platform.h)
list(APPEND glfw_SOURCES ${common_SOURCES} wgl_context.c)
elseif (_GLFW_X11)
list(APPEND glfw_HEADERS ${common_HEADERS} glx_platform.h)
list(APPEND glfw_SOURCES ${common_SOURCES} glx_context.c)
endif()
if (APPLE)
# For some reason, CMake doesn't know about .m
set_source_files_properties(${glfw_SOURCES} PROPERTIES LANGUAGE C)
endif()
add_library(glfw ${glfw_SOURCES} ${glfw_HEADERS})
set_target_properties(glfw PROPERTIES OUTPUT_NAME "${GLFW_LIB_NAME}")
if (BUILD_SHARED_LIBS)
# Include version information in the output
set_target_properties(glfw PROPERTIES VERSION ${GLFW_VERSION})
if (UNIX)
set_target_properties(glfw PROPERTIES SOVERSION ${GLFW_VERSION_MAJOR})
endif()
if (WIN32)
# The GLFW DLL needs a special compile-time macro and import library name
set_target_properties(glfw PROPERTIES PREFIX "" IMPORT_PREFIX "")
if (MINGW)
set_target_properties(glfw PROPERTIES IMPORT_SUFFIX "dll.a")
else()
set_target_properties(glfw PROPERTIES IMPORT_SUFFIX "dll.lib")
endif()
elseif (APPLE)
# Append -fno-common to the compile flags to work around a bug in
# Apple's GCC
get_target_property(glfw_CFLAGS glfw COMPILE_FLAGS)
if (NOT glfw_CFLAGS)
set(glfw_CFLAGS "")
endif()
set_target_properties(glfw PROPERTIES
COMPILE_FLAGS "${glfw_CFLAGS} -fno-common"
INSTALL_NAME_DIR "${CMAKE_INSTALL_PREFIX}/lib${LIB_SUFFIX}")
endif()
target_link_libraries(glfw ${glfw_LIBRARIES})
target_link_libraries(glfw LINK_INTERFACE_LIBRARIES)
endif()
if (GLFW_INSTALL)
install(TARGETS glfw EXPORT glfwTargets DESTINATION lib${LIB_SUFFIX})
endif()

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//========================================================================
// GLFW 3.0 - www.glfw.org
//------------------------------------------------------------------------
// Copyright (c) 2010 Camilla Berglund <elmindreda@elmindreda.org>
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would
// be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such, and must not
// be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source
// distribution.
//
//========================================================================
#include "internal.h"
#include <math.h>
#include <string.h>
//////////////////////////////////////////////////////////////////////////
////// GLFW public API //////
//////////////////////////////////////////////////////////////////////////
GLFWAPI void glfwSetClipboardString(GLFWwindow* handle, const char* string)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
_GLFW_REQUIRE_INIT();
_glfwPlatformSetClipboardString(window, string);
}
GLFWAPI const char* glfwGetClipboardString(GLFWwindow* handle)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
return _glfwPlatformGetClipboardString(window);
}

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//========================================================================
// GLFW 3.0 OS X - www.glfw.org
//------------------------------------------------------------------------
// Copyright (c) 2010 Camilla Berglund <elmindreda@elmindreda.org>
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would
// be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such, and must not
// be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source
// distribution.
//
//========================================================================
#include "internal.h"
#include <limits.h>
#include <string.h>
//////////////////////////////////////////////////////////////////////////
////// GLFW platform API //////
//////////////////////////////////////////////////////////////////////////
void _glfwPlatformSetClipboardString(_GLFWwindow* window, const char* string)
{
NSArray* types = [NSArray arrayWithObjects:NSStringPboardType, nil];
NSPasteboard* pasteboard = [NSPasteboard generalPasteboard];
[pasteboard declareTypes:types owner:nil];
[pasteboard setString:[NSString stringWithUTF8String:string]
forType:NSStringPboardType];
}
const char* _glfwPlatformGetClipboardString(_GLFWwindow* window)
{
NSPasteboard* pasteboard = [NSPasteboard generalPasteboard];
if (![[pasteboard types] containsObject:NSStringPboardType])
{
_glfwInputError(GLFW_FORMAT_UNAVAILABLE, NULL);
return NULL;
}
NSString* object = [pasteboard stringForType:NSStringPboardType];
if (!object)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Cocoa: Failed to retrieve object from pasteboard");
return NULL;
}
free(_glfw.ns.clipboardString);
_glfw.ns.clipboardString = strdup([object UTF8String]);
return _glfw.ns.clipboardString;
}

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//========================================================================
// GLFW 3.0 OS X - www.glfw.org
//------------------------------------------------------------------------
// Copyright (c) 2010 Camilla Berglund <elmindreda@elmindreda.org>
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would
// be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such, and must not
// be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source
// distribution.
//
//========================================================================
#include "internal.h"
#include <limits.h>
#include <stdlib.h>
#include <string.h>
#include <ApplicationServices/ApplicationServices.h>
//////////////////////////////////////////////////////////////////////////
////// GLFW platform API //////
//////////////////////////////////////////////////////////////////////////
void _glfwPlatformGetGammaRamp(_GLFWmonitor* monitor, GLFWgammaramp* ramp)
{
uint32_t i, size = CGDisplayGammaTableCapacity(monitor->ns.displayID);
CGGammaValue* values = calloc(size * 3, sizeof(CGGammaValue));
CGGetDisplayTransferByTable(monitor->ns.displayID,
size,
values,
values + size,
values + size * 2,
&size);
_glfwAllocGammaArrays(ramp, size);
for (i = 0; i < size; i++)
{
ramp->red[i] = (unsigned short) (values[i] * 65535);
ramp->green[i] = (unsigned short) (values[i + size] * 65535);
ramp->blue[i] = (unsigned short) (values[i + size * 2] * 65535);
}
free(values);
}
void _glfwPlatformSetGammaRamp(_GLFWmonitor* monitor, const GLFWgammaramp* ramp)
{
int i;
CGGammaValue* values = calloc(ramp->size * 3, sizeof(CGGammaValue));
for (i = 0; i < ramp->size; i++)
{
values[i] = ramp->red[i] / 65535.f;
values[i + ramp->size] = ramp->green[i] / 65535.f;
values[i + ramp->size * 2] = ramp->blue[i] / 65535.f;
}
CGSetDisplayTransferByTable(monitor->ns.displayID,
ramp->size,
values,
values + ramp->size,
values + ramp->size * 2);
free(values);
}

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//========================================================================
// GLFW 3.0 OS X - www.glfw.org
//------------------------------------------------------------------------
// Copyright (c) 2009-2010 Camilla Berglund <elmindreda@elmindreda.org>
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would
// be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such, and must not
// be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source
// distribution.
//
//========================================================================
#include "internal.h"
#include <sys/param.h> // For MAXPATHLEN
#if defined(_GLFW_USE_CHDIR)
// Change to our application bundle's resources directory, if present
//
static void changeToResourcesDirectory(void)
{
char resourcesPath[MAXPATHLEN];
CFBundleRef bundle = CFBundleGetMainBundle();
if (!bundle)
return;
CFURLRef resourcesURL = CFBundleCopyResourcesDirectoryURL(bundle);
CFStringRef last = CFURLCopyLastPathComponent(resourcesURL);
if (CFStringCompare(CFSTR("Resources"), last, 0) != kCFCompareEqualTo)
{
CFRelease(last);
CFRelease(resourcesURL);
return;
}
CFRelease(last);
if (!CFURLGetFileSystemRepresentation(resourcesURL,
true,
(UInt8*) resourcesPath,
MAXPATHLEN))
{
CFRelease(resourcesURL);
return;
}
CFRelease(resourcesURL);
chdir(resourcesPath);
}
#endif /* _GLFW_USE_CHDIR */
//////////////////////////////////////////////////////////////////////////
////// GLFW platform API //////
//////////////////////////////////////////////////////////////////////////
int _glfwPlatformInit(void)
{
_glfw.ns.autoreleasePool = [[NSAutoreleasePool alloc] init];
#if defined(_GLFW_USE_CHDIR)
changeToResourcesDirectory();
#endif
_glfw.ns.eventSource = CGEventSourceCreate(kCGEventSourceStateHIDSystemState);
if (!_glfw.ns.eventSource)
return GL_FALSE;
CGEventSourceSetLocalEventsSuppressionInterval(_glfw.ns.eventSource, 0.0);
if (!_glfwInitContextAPI())
return GL_FALSE;
_glfwInitTimer();
_glfwInitJoysticks();
return GL_TRUE;
}
void _glfwPlatformTerminate(void)
{
if (_glfw.ns.eventSource)
{
CFRelease(_glfw.ns.eventSource);
_glfw.ns.eventSource = NULL;
}
[NSApp setDelegate:nil];
[_glfw.ns.delegate release];
_glfw.ns.delegate = nil;
[_glfw.ns.autoreleasePool release];
_glfw.ns.autoreleasePool = nil;
[_glfw.ns.cursor release];
_glfw.ns.cursor = nil;
free(_glfw.ns.clipboardString);
_glfwTerminateJoysticks();
_glfwTerminateContextAPI();
}
const char* _glfwPlatformGetVersionString(void)
{
const char* version = _GLFW_VERSION_NUMBER " Cocoa"
#if defined(_GLFW_NSGL)
" NSGL"
#endif
#if defined(_GLFW_USE_CHDIR)
" chdir"
#endif
#if defined(_GLFW_USE_MENUBAR)
" menubar"
#endif
#if defined(_GLFW_BUILD_DLL)
" dynamic"
#endif
;
return version;
}

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//========================================================================
// GLFW 3.0 OS X - www.glfw.org
//------------------------------------------------------------------------
// Copyright (c) 2009-2010 Camilla Berglund <elmindreda@elmindreda.org>
// Copyright (c) 2012 Torsten Walluhn <tw@mad-cad.net>
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would
// be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such, and must not
// be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source
// distribution.
//
//========================================================================
#include "internal.h"
#include <unistd.h>
#include <ctype.h>
#include <mach/mach.h>
#include <mach/mach_error.h>
#include <CoreFoundation/CoreFoundation.h>
#include <Kernel/IOKit/hidsystem/IOHIDUsageTables.h>
//------------------------------------------------------------------------
// Joystick element information
//------------------------------------------------------------------------
typedef struct
{
IOHIDElementCookie cookie;
long min;
long max;
long minReport;
long maxReport;
} _GLFWjoyelement;
static void getElementsCFArrayHandler(const void* value, void* parameter);
// Adds an element to the specified joystick
//
static void addJoystickElement(_GLFWjoy* joystick, CFTypeRef elementRef)
{
long elementType, usagePage, usage;
CFMutableArrayRef elementsArray = NULL;
CFNumberGetValue(CFDictionaryGetValue(elementRef, CFSTR(kIOHIDElementTypeKey)),
kCFNumberLongType, &elementType);
CFNumberGetValue(CFDictionaryGetValue(elementRef, CFSTR(kIOHIDElementUsagePageKey)),
kCFNumberLongType, &usagePage);
CFNumberGetValue(CFDictionaryGetValue(elementRef, CFSTR(kIOHIDElementUsageKey)),
kCFNumberLongType, &usage);
if ((elementType == kIOHIDElementTypeInput_Axis) ||
(elementType == kIOHIDElementTypeInput_Button) ||
(elementType == kIOHIDElementTypeInput_Misc))
{
switch (usagePage)
{
case kHIDPage_GenericDesktop:
{
switch (usage)
{
case kHIDUsage_GD_X:
case kHIDUsage_GD_Y:
case kHIDUsage_GD_Z:
case kHIDUsage_GD_Rx:
case kHIDUsage_GD_Ry:
case kHIDUsage_GD_Rz:
case kHIDUsage_GD_Slider:
case kHIDUsage_GD_Dial:
case kHIDUsage_GD_Wheel:
elementsArray = joystick->axisElements;
break;
case kHIDUsage_GD_Hatswitch:
elementsArray = joystick->hatElements;
break;
}
break;
}
case kHIDPage_Button:
elementsArray = joystick->buttonElements;
break;
default:
break;
}
if (elementsArray)
{
long number;
CFTypeRef numberRef;
_GLFWjoyelement* element = calloc(1, sizeof(_GLFWjoyelement));
CFArrayAppendValue(elementsArray, element);
numberRef = CFDictionaryGetValue(elementRef, CFSTR(kIOHIDElementCookieKey));
if (numberRef && CFNumberGetValue(numberRef, kCFNumberLongType, &number))
element->cookie = (IOHIDElementCookie) number;
numberRef = CFDictionaryGetValue(elementRef, CFSTR(kIOHIDElementMinKey));
if (numberRef && CFNumberGetValue(numberRef, kCFNumberLongType, &number))
element->minReport = element->min = number;
numberRef = CFDictionaryGetValue(elementRef, CFSTR(kIOHIDElementMaxKey));
if (numberRef && CFNumberGetValue(numberRef, kCFNumberLongType, &number))
element->maxReport = element->max = number;
}
}
else
{
CFTypeRef array = CFDictionaryGetValue(elementRef, CFSTR(kIOHIDElementKey));
if (array)
{
if (CFGetTypeID(array) == CFArrayGetTypeID())
{
CFRange range = { 0, CFArrayGetCount(array) };
CFArrayApplyFunction(array, range, getElementsCFArrayHandler, joystick);
}
}
}
}
// Adds an element to the specified joystick
//
static void getElementsCFArrayHandler(const void* value, void* parameter)
{
if (CFGetTypeID(value) == CFDictionaryGetTypeID())
addJoystickElement((_GLFWjoy*) parameter, (CFTypeRef) value);
}
// Returns the value of the specified element of the specified joystick
//
static long getElementValue(_GLFWjoy* joystick, _GLFWjoyelement* element)
{
IOReturn result = kIOReturnSuccess;
IOHIDEventStruct hidEvent;
hidEvent.value = 0;
if (joystick && element && joystick->interface)
{
result = (*(joystick->interface))->getElementValue(joystick->interface,
element->cookie,
&hidEvent);
if (kIOReturnSuccess == result)
{
// Record min and max for auto calibration
if (hidEvent.value < element->minReport)
element->minReport = hidEvent.value;
if (hidEvent.value > element->maxReport)
element->maxReport = hidEvent.value;
}
}
// Auto user scale
return (long) hidEvent.value;
}
// Removes the specified joystick
//
static void removeJoystick(_GLFWjoy* joystick)
{
int i;
if (!joystick->present)
return;
for (i = 0; i < CFArrayGetCount(joystick->axisElements); i++)
free((void*) CFArrayGetValueAtIndex(joystick->axisElements, i));
CFArrayRemoveAllValues(joystick->axisElements);
for (i = 0; i < CFArrayGetCount(joystick->buttonElements); i++)
free((void*) CFArrayGetValueAtIndex(joystick->buttonElements, i));
CFArrayRemoveAllValues(joystick->buttonElements);
for (i = 0; i < CFArrayGetCount(joystick->hatElements); i++)
free((void*) CFArrayGetValueAtIndex(joystick->hatElements, i));
CFArrayRemoveAllValues(joystick->hatElements);
free(joystick->axes);
free(joystick->buttons);
(*(joystick->interface))->close(joystick->interface);
(*(joystick->interface))->Release(joystick->interface);
memset(joystick, 0, sizeof(_GLFWjoy));
}
// Callback for user-initiated joystick removal
//
static void removalCallback(void* target, IOReturn result, void* refcon, void* sender)
{
removeJoystick((_GLFWjoy*) refcon);
}
// Polls for joystick events and updates GLFW state
//
static void pollJoystickEvents(void)
{
int joy;
for (joy = 0; joy <= GLFW_JOYSTICK_LAST; joy++)
{
CFIndex i;
int buttonIndex = 0;
_GLFWjoy* joystick = _glfw.ns.joysticks + joy;
if (!joystick->present)
continue;
for (i = 0; i < CFArrayGetCount(joystick->buttonElements); i++)
{
_GLFWjoyelement* button =
(_GLFWjoyelement*) CFArrayGetValueAtIndex(joystick->buttonElements, i);
if (getElementValue(joystick, button))
joystick->buttons[buttonIndex++] = GLFW_PRESS;
else
joystick->buttons[buttonIndex++] = GLFW_RELEASE;
}
for (i = 0; i < CFArrayGetCount(joystick->axisElements); i++)
{
_GLFWjoyelement* axis =
(_GLFWjoyelement*) CFArrayGetValueAtIndex(joystick->axisElements, i);
long value = getElementValue(joystick, axis);
long readScale = axis->maxReport - axis->minReport;
if (readScale == 0)
joystick->axes[i] = value;
else
joystick->axes[i] = (2.f * (value - axis->minReport) / readScale) - 1.f;
}
for (i = 0; i < CFArrayGetCount(joystick->hatElements); i++)
{
_GLFWjoyelement* hat =
(_GLFWjoyelement*) CFArrayGetValueAtIndex(joystick->hatElements, i);
// Bit fields of button presses for each direction, including nil
const int directions[9] = { 1, 3, 2, 6, 4, 12, 8, 9, 0 };
long j, value = getElementValue(joystick, hat);
if (value < 0 || value > 8)
value = 8;
for (j = 0; j < 4; j++)
{
if (directions[value] & (1 << j))
joystick->buttons[buttonIndex++] = GLFW_PRESS;
else
joystick->buttons[buttonIndex++] = GLFW_RELEASE;
}
}
}
}
//////////////////////////////////////////////////////////////////////////
////// GLFW internal API //////
//////////////////////////////////////////////////////////////////////////
// Initialize joystick interface
//
void _glfwInitJoysticks(void)
{
int joy = 0;
IOReturn result = kIOReturnSuccess;
mach_port_t masterPort = 0;
io_iterator_t objectIterator = 0;
CFMutableDictionaryRef hidMatchDictionary = NULL;
io_object_t ioHIDDeviceObject = 0;
result = IOMasterPort(bootstrap_port, &masterPort);
hidMatchDictionary = IOServiceMatching(kIOHIDDeviceKey);
if (kIOReturnSuccess != result || !hidMatchDictionary)
{
if (hidMatchDictionary)
CFRelease(hidMatchDictionary);
return;
}
result = IOServiceGetMatchingServices(masterPort,
hidMatchDictionary,
&objectIterator);
if (result != kIOReturnSuccess)
return;
if (!objectIterator)
{
// There are no joysticks
return;
}
while ((ioHIDDeviceObject = IOIteratorNext(objectIterator)))
{
CFMutableDictionaryRef propsRef = NULL;
CFTypeRef valueRef = NULL;
kern_return_t result;
IOCFPlugInInterface** ppPlugInInterface = NULL;
HRESULT plugInResult = S_OK;
SInt32 score = 0;
long usagePage, usage;
// Check device type
result = IORegistryEntryCreateCFProperties(ioHIDDeviceObject,
&propsRef,
kCFAllocatorDefault,
kNilOptions);
if (result != kIOReturnSuccess)
continue;
valueRef = CFDictionaryGetValue(propsRef, CFSTR(kIOHIDPrimaryUsagePageKey));
if (valueRef)
{
CFNumberGetValue(valueRef, kCFNumberLongType, &usagePage);
if (usagePage != kHIDPage_GenericDesktop)
{
// This device is not relevant to GLFW
CFRelease(valueRef);
continue;
}
CFRelease(valueRef);
}
valueRef = CFDictionaryGetValue(propsRef, CFSTR(kIOHIDPrimaryUsageKey));
if (valueRef)
{
CFNumberGetValue(valueRef, kCFNumberLongType, &usage);
if ((usage != kHIDUsage_GD_Joystick &&
usage != kHIDUsage_GD_GamePad &&
usage != kHIDUsage_GD_MultiAxisController))
{
// This device is not relevant to GLFW
CFRelease(valueRef);
continue;
}
CFRelease(valueRef);
}
_GLFWjoy* joystick = _glfw.ns.joysticks + joy;
joystick->present = GL_TRUE;
result = IOCreatePlugInInterfaceForService(ioHIDDeviceObject,
kIOHIDDeviceUserClientTypeID,
kIOCFPlugInInterfaceID,
&ppPlugInInterface,
&score);
if (kIOReturnSuccess != result)
return;
plugInResult = (*ppPlugInInterface)->QueryInterface(
ppPlugInInterface,
CFUUIDGetUUIDBytes(kIOHIDDeviceInterfaceID),
(void *) &(joystick->interface));
if (plugInResult != S_OK)
return;
(*ppPlugInInterface)->Release(ppPlugInInterface);
(*(joystick->interface))->open(joystick->interface, 0);
(*(joystick->interface))->setRemovalCallback(joystick->interface,
removalCallback,
joystick,
joystick);
// Get product string
valueRef = CFDictionaryGetValue(propsRef, CFSTR(kIOHIDProductKey));
if (valueRef)
{
CFStringGetCString(valueRef,
joystick->name,
sizeof(joystick->name),
kCFStringEncodingUTF8);
CFRelease(valueRef);
}
joystick->axisElements = CFArrayCreateMutable(NULL, 0, NULL);
joystick->buttonElements = CFArrayCreateMutable(NULL, 0, NULL);
joystick->hatElements = CFArrayCreateMutable(NULL, 0, NULL);
valueRef = CFDictionaryGetValue(propsRef, CFSTR(kIOHIDElementKey));
if (CFGetTypeID(valueRef) == CFArrayGetTypeID())
{
CFRange range = { 0, CFArrayGetCount(valueRef) };
CFArrayApplyFunction(valueRef,
range,
getElementsCFArrayHandler,
(void*) joystick);
CFRelease(valueRef);
}
joystick->axes = calloc(CFArrayGetCount(joystick->axisElements),
sizeof(float));
joystick->buttons = calloc(CFArrayGetCount(joystick->buttonElements) +
CFArrayGetCount(joystick->hatElements) * 4, 1);
joy++;
if (joy > GLFW_JOYSTICK_LAST)
break;
}
}
// Close all opened joystick handles
//
void _glfwTerminateJoysticks(void)
{
int i;
for (i = 0; i < GLFW_JOYSTICK_LAST + 1; i++)
{
_GLFWjoy* joystick = &_glfw.ns.joysticks[i];
removeJoystick(joystick);
}
}
//////////////////////////////////////////////////////////////////////////
////// GLFW platform API //////
//////////////////////////////////////////////////////////////////////////
int _glfwPlatformJoystickPresent(int joy)
{
pollJoystickEvents();
return _glfw.ns.joysticks[joy].present;
}
const float* _glfwPlatformGetJoystickAxes(int joy, int* count)
{
_GLFWjoy* joystick = _glfw.ns.joysticks + joy;
pollJoystickEvents();
if (!joystick->present)
return NULL;
*count = (int) CFArrayGetCount(joystick->axisElements);
return joystick->axes;
}
const unsigned char* _glfwPlatformGetJoystickButtons(int joy, int* count)
{
_GLFWjoy* joystick = _glfw.ns.joysticks + joy;
pollJoystickEvents();
if (!joystick->present)
return NULL;
*count = (int) CFArrayGetCount(joystick->buttonElements) +
(int) CFArrayGetCount(joystick->hatElements) * 4;
return joystick->buttons;
}
const char* _glfwPlatformGetJoystickName(int joy)
{
pollJoystickEvents();
return _glfw.ns.joysticks[joy].name;
}

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//========================================================================
// GLFW 3.0 OS X - www.glfw.org
//------------------------------------------------------------------------
// Copyright (c) 2002-2006 Marcus Geelnard
// Copyright (c) 2006-2010 Camilla Berglund <elmindreda@elmindreda.org>
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would
// be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such, and must not
// be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source
// distribution.
//
//========================================================================
#include "internal.h"
#include <stdlib.h>
#include <limits.h>
#include <IOKit/graphics/IOGraphicsLib.h>
#include <IOKit/graphics/IOGraphicsLib.h>
#include <CoreVideo/CVBase.h>
#include <CoreVideo/CVDisplayLink.h>
// Get the name of the specified display
//
static const char* getDisplayName(CGDirectDisplayID displayID)
{
char* name;
CFDictionaryRef info, names;
CFStringRef value;
CFIndex size;
info = IODisplayCreateInfoDictionary(CGDisplayIOServicePort(displayID),
kIODisplayOnlyPreferredName);
names = CFDictionaryGetValue(info, CFSTR(kDisplayProductName));
if (!names || !CFDictionaryGetValueIfPresent(names, CFSTR("en_US"),
(const void**) &value))
{
_glfwInputError(GLFW_PLATFORM_ERROR, "Failed to retrieve display name");
CFRelease(info);
return strdup("Unknown");
}
size = CFStringGetMaximumSizeForEncoding(CFStringGetLength(value),
kCFStringEncodingUTF8);
name = calloc(size + 1, sizeof(char));
CFStringGetCString(value, name, size, kCFStringEncodingUTF8);
CFRelease(info);
return name;
}
// Check whether the display mode should be included in enumeration
//
static GLboolean modeIsGood(CGDisplayModeRef mode)
{
uint32_t flags = CGDisplayModeGetIOFlags(mode);
if (!(flags & kDisplayModeValidFlag) || !(flags & kDisplayModeSafeFlag))
return GL_FALSE;
if (flags & kDisplayModeInterlacedFlag)
return GL_FALSE;
if (flags & kDisplayModeStretchedFlag)
return GL_FALSE;
CFStringRef format = CGDisplayModeCopyPixelEncoding(mode);
if (CFStringCompare(format, CFSTR(IO16BitDirectPixels), 0) &&
CFStringCompare(format, CFSTR(IO32BitDirectPixels), 0))
{
CFRelease(format);
return GL_FALSE;
}
CFRelease(format);
return GL_TRUE;
}
// Convert Core Graphics display mode to GLFW video mode
//
static GLFWvidmode vidmodeFromCGDisplayMode(CGDisplayModeRef mode,
CVDisplayLinkRef link)
{
GLFWvidmode result;
result.width = (int) CGDisplayModeGetWidth(mode);
result.height = (int) CGDisplayModeGetHeight(mode);
result.refreshRate = (int) CGDisplayModeGetRefreshRate(mode);
if (result.refreshRate == 0)
{
const CVTime time = CVDisplayLinkGetNominalOutputVideoRefreshPeriod(link);
if (!(time.flags & kCVTimeIsIndefinite))
result.refreshRate = (int) (time.timeScale / (double) time.timeValue);
}
CFStringRef format = CGDisplayModeCopyPixelEncoding(mode);
if (CFStringCompare(format, CFSTR(IO16BitDirectPixels), 0) == 0)
{
result.redBits = 5;
result.greenBits = 5;
result.blueBits = 5;
}
else
{
result.redBits = 8;
result.greenBits = 8;
result.blueBits = 8;
}
CFRelease(format);
return result;
}
// Starts reservation for display fading
//
static CGDisplayFadeReservationToken beginFadeReservation(void)
{
CGDisplayFadeReservationToken token = kCGDisplayFadeReservationInvalidToken;
if (CGAcquireDisplayFadeReservation(5, &token) == kCGErrorSuccess)
CGDisplayFade(token, 0.3, kCGDisplayBlendNormal, kCGDisplayBlendSolidColor, 0.0, 0.0, 0.0, TRUE);
return token;
}
// Ends reservation for display fading
//
static void endFadeReservation(CGDisplayFadeReservationToken token)
{
if (token != kCGDisplayFadeReservationInvalidToken)
{
CGDisplayFade(token, 0.5, kCGDisplayBlendSolidColor, kCGDisplayBlendNormal, 0.0, 0.0, 0.0, FALSE);
CGReleaseDisplayFadeReservation(token);
}
}
//////////////////////////////////////////////////////////////////////////
////// GLFW internal API //////
//////////////////////////////////////////////////////////////////////////
// Change the current video mode
//
GLboolean _glfwSetVideoMode(_GLFWmonitor* monitor, const GLFWvidmode* desired)
{
CGDisplayModeRef bestMode = NULL;
CFArrayRef modes;
CFIndex count, i;
unsigned int sizeDiff, leastSizeDiff = UINT_MAX;
unsigned int rateDiff, leastRateDiff = UINT_MAX;
const int bpp = desired->redBits - desired->greenBits - desired->blueBits;
modes = CGDisplayCopyAllDisplayModes(monitor->ns.displayID, NULL);
count = CFArrayGetCount(modes);
for (i = 0; i < count; i++)
{
CGDisplayModeRef mode = (CGDisplayModeRef) CFArrayGetValueAtIndex(modes, i);
if (!modeIsGood(mode))
continue;
int modeBPP;
// Identify display mode pixel encoding
{
CFStringRef format = CGDisplayModeCopyPixelEncoding(mode);
if (CFStringCompare(format, CFSTR(IO16BitDirectPixels), 0) == 0)
modeBPP = 16;
else
modeBPP = 32;
CFRelease(format);
}
const int modeWidth = (int) CGDisplayModeGetWidth(mode);
const int modeHeight = (int) CGDisplayModeGetHeight(mode);
const int modeRate = (int) CGDisplayModeGetRefreshRate(mode);
sizeDiff = (abs(modeBPP - bpp) << 25) |
((modeWidth - desired->width) * (modeWidth - desired->width) +
(modeHeight - desired->height) * (modeHeight - desired->height));
if (desired->refreshRate)
rateDiff = abs(modeRate - desired->refreshRate);
else
rateDiff = UINT_MAX - modeRate;
if ((sizeDiff < leastSizeDiff) ||
(sizeDiff == leastSizeDiff && rateDiff < leastRateDiff))
{
bestMode = mode;
leastSizeDiff = sizeDiff;
leastRateDiff = rateDiff;
}
}
if (!bestMode)
{
CFRelease(modes);
return GL_FALSE;
}
monitor->ns.previousMode = CGDisplayCopyDisplayMode(monitor->ns.displayID);
CGDisplayFadeReservationToken token = beginFadeReservation();
CGDisplayCapture(monitor->ns.displayID);
CGDisplaySetDisplayMode(monitor->ns.displayID, bestMode, NULL);
endFadeReservation(token);
CFRelease(modes);
return GL_TRUE;
}
// Restore the previously saved (original) video mode
//
void _glfwRestoreVideoMode(_GLFWmonitor* monitor)
{
CGDisplayFadeReservationToken token = beginFadeReservation();
CGDisplaySetDisplayMode(monitor->ns.displayID, monitor->ns.previousMode, NULL);
CGDisplayRelease(monitor->ns.displayID);
endFadeReservation(token);
}
//////////////////////////////////////////////////////////////////////////
////// GLFW platform API //////
//////////////////////////////////////////////////////////////////////////
_GLFWmonitor** _glfwPlatformGetMonitors(int* count)
{
uint32_t i, found = 0, monitorCount;
_GLFWmonitor** monitors;
CGDirectDisplayID* displays;
*count = 0;
CGGetActiveDisplayList(0, NULL, &monitorCount);
displays = calloc(monitorCount, sizeof(CGDirectDisplayID));
monitors = calloc(monitorCount, sizeof(_GLFWmonitor*));
CGGetActiveDisplayList(monitorCount, displays, &monitorCount);
for (i = 0; i < monitorCount; i++)
{
const CGSize size = CGDisplayScreenSize(displays[i]);
monitors[found] = _glfwCreateMonitor(getDisplayName(displays[i]),
size.width, size.height);
monitors[found]->ns.displayID = displays[i];
found++;
}
free(displays);
for (i = 0; i < monitorCount; i++)
{
if (CGDisplayIsMain(monitors[i]->ns.displayID))
{
_GLFWmonitor* temp = monitors[0];
monitors[0] = monitors[i];
monitors[i] = temp;
break;
}
}
NSArray* screens = [NSScreen screens];
for (i = 0; i < monitorCount; i++)
{
int j;
for (j = 0; j < [screens count]; j++)
{
NSScreen* screen = [screens objectAtIndex:j];
NSDictionary* dictionary = [screen deviceDescription];
NSNumber* number = [dictionary objectForKey:@"NSScreenNumber"];
if (monitors[i]->ns.displayID == [number unsignedIntegerValue])
{
monitors[i]->ns.screen = screen;
break;
}
}
if (monitors[i]->ns.screen == nil)
{
_glfwDestroyMonitors(monitors, monitorCount);
_glfwInputError(GLFW_PLATFORM_ERROR,
"Cocoa: Failed to find NSScreen for CGDisplay %s",
monitors[i]->name);
free(monitors);
return NULL;
}
}
*count = monitorCount;
return monitors;
}
GLboolean _glfwPlatformIsSameMonitor(_GLFWmonitor* first, _GLFWmonitor* second)
{
return first->ns.displayID == second->ns.displayID;
}
void _glfwPlatformGetMonitorPos(_GLFWmonitor* monitor, int* xpos, int* ypos)
{
const CGRect bounds = CGDisplayBounds(monitor->ns.displayID);
if (xpos)
*xpos = (int) bounds.origin.x;
if (ypos)
*ypos = (int) bounds.origin.y;
}
GLFWvidmode* _glfwPlatformGetVideoModes(_GLFWmonitor* monitor, int* found)
{
CFArrayRef modes;
CFIndex count, i;
GLFWvidmode* result;
CVDisplayLinkRef link;
CVDisplayLinkCreateWithCGDisplay(monitor->ns.displayID, &link);
modes = CGDisplayCopyAllDisplayModes(monitor->ns.displayID, NULL);
count = CFArrayGetCount(modes);
result = calloc(count, sizeof(GLFWvidmode));
*found = 0;
for (i = 0; i < count; i++)
{
CGDisplayModeRef mode;
mode = (CGDisplayModeRef) CFArrayGetValueAtIndex(modes, i);
if (modeIsGood(mode))
{
result[*found] = vidmodeFromCGDisplayMode(mode, link);
(*found)++;
}
}
CFRelease(modes);
CVDisplayLinkRelease(link);
return result;
}
void _glfwPlatformGetVideoMode(_GLFWmonitor* monitor, GLFWvidmode *mode)
{
CGDisplayModeRef displayMode;
CVDisplayLinkRef link;
CVDisplayLinkCreateWithCGDisplay(monitor->ns.displayID, &link);
displayMode = CGDisplayCopyDisplayMode(monitor->ns.displayID);
*mode = vidmodeFromCGDisplayMode(displayMode, link);
CGDisplayModeRelease(displayMode);
CVDisplayLinkRelease(link);
}

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//========================================================================
// GLFW 3.0 OS X - www.glfw.org
//------------------------------------------------------------------------
// Copyright (c) 2009-2010 Camilla Berglund <elmindreda@elmindreda.org>
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would
// be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such, and must not
// be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source
// distribution.
//
//========================================================================
#ifndef _cocoa_platform_h_
#define _cocoa_platform_h_
#include <stdint.h>
#if defined(__OBJC__)
#import <Cocoa/Cocoa.h>
#else
#include <ApplicationServices/ApplicationServices.h>
typedef void* id;
#endif
#if defined(_GLFW_NSGL)
#include "nsgl_platform.h"
#else
#error "No supported context creation API selected"
#endif
#include <IOKit/IOKitLib.h>
#include <IOKit/IOCFPlugIn.h>
#include <IOKit/hid/IOHIDLib.h>
#include <IOKit/hid/IOHIDKeys.h>
#define _GLFW_PLATFORM_WINDOW_STATE _GLFWwindowNS ns
#define _GLFW_PLATFORM_LIBRARY_WINDOW_STATE _GLFWlibraryNS ns
#define _GLFW_PLATFORM_MONITOR_STATE _GLFWmonitorNS ns
//========================================================================
// GLFW platform specific types
//========================================================================
//------------------------------------------------------------------------
// Platform-specific window structure
//------------------------------------------------------------------------
typedef struct _GLFWwindowNS
{
id object;
id delegate;
id view;
unsigned int modifierFlags;
} _GLFWwindowNS;
//------------------------------------------------------------------------
// Joystick information & state
//------------------------------------------------------------------------
typedef struct
{
int present;
char name[256];
IOHIDDeviceInterface** interface;
CFMutableArrayRef axisElements;
CFMutableArrayRef buttonElements;
CFMutableArrayRef hatElements;
float* axes;
unsigned char* buttons;
} _GLFWjoy;
//------------------------------------------------------------------------
// Platform-specific library global data for Cocoa
//------------------------------------------------------------------------
typedef struct _GLFWlibraryNS
{
struct {
double base;
double resolution;
} timer;
CGEventSourceRef eventSource;
id delegate;
id autoreleasePool;
id cursor;
char* clipboardString;
_GLFWjoy joysticks[GLFW_JOYSTICK_LAST + 1];
} _GLFWlibraryNS;
//------------------------------------------------------------------------
// Platform-specific monitor structure
//------------------------------------------------------------------------
typedef struct _GLFWmonitorNS
{
CGDirectDisplayID displayID;
CGDisplayModeRef previousMode;
id screen;
} _GLFWmonitorNS;
//========================================================================
// Prototypes for platform specific internal functions
//========================================================================
// Time
void _glfwInitTimer(void);
// Joystick input
void _glfwInitJoysticks(void);
void _glfwTerminateJoysticks(void);
// Fullscreen
GLboolean _glfwSetVideoMode(_GLFWmonitor* monitor, const GLFWvidmode* desired);
void _glfwRestoreVideoMode(_GLFWmonitor* monitor);
// OpenGL support
int _glfwInitContextAPI(void);
void _glfwTerminateContextAPI(void);
int _glfwCreateContext(_GLFWwindow* window,
const _GLFWwndconfig* wndconfig,
const _GLFWfbconfig* fbconfig);
void _glfwDestroyContext(_GLFWwindow* window);
#endif // _cocoa_platform_h_

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//========================================================================
// GLFW 3.0 OS X - www.glfw.org
//------------------------------------------------------------------------
// Copyright (c) 2009-2010 Camilla Berglund <elmindreda@elmindreda.org>
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would
// be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such, and must not
// be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source
// distribution.
//
//========================================================================
#include "internal.h"
#include <mach/mach_time.h>
// Return raw time
//
static uint64_t getRawTime(void)
{
return mach_absolute_time();
}
//////////////////////////////////////////////////////////////////////////
////// GLFW internal API //////
//////////////////////////////////////////////////////////////////////////
// Initialise timer
//
void _glfwInitTimer(void)
{
mach_timebase_info_data_t info;
mach_timebase_info(&info);
_glfw.ns.timer.resolution = (double) info.numer / (info.denom * 1.0e9);
_glfw.ns.timer.base = getRawTime();
}
//////////////////////////////////////////////////////////////////////////
////// GLFW platform API //////
//////////////////////////////////////////////////////////////////////////
double _glfwPlatformGetTime(void)
{
return (double) (getRawTime() - _glfw.ns.timer.base) *
_glfw.ns.timer.resolution;
}
void _glfwPlatformSetTime(double time)
{
_glfw.ns.timer.base = getRawTime() -
(uint64_t) (time / _glfw.ns.timer.resolution);
}

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//========================================================================
// GLFW 3.0 - www.glfw.org
//------------------------------------------------------------------------
// Copyright (c) 2002-2006 Marcus Geelnard
// Copyright (c) 2006-2010 Camilla Berglund <elmindreda@elmindreda.org>
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would
// be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such, and must not
// be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source
// distribution.
//
//========================================================================
#include "internal.h"
#include <stdio.h>
#include <string.h>
#include <limits.h>
#include <stdio.h>
// Parses the client API version string and extracts the version number
//
static GLboolean parseGLVersion(int* api, int* major, int* minor, int* rev)
{
int i, _api = GLFW_OPENGL_API, _major, _minor = 0, _rev = 0;
const char* version;
const char* prefixes[] =
{
"OpenGL ES-CM ",
"OpenGL ES-CL ",
"OpenGL ES ",
NULL
};
version = (const char*) glGetString(GL_VERSION);
if (!version)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Failed to retrieve context version string");
return GL_FALSE;
}
for (i = 0; prefixes[i]; i++)
{
const size_t length = strlen(prefixes[i]);
if (strncmp(version, prefixes[i], length) == 0)
{
version += length;
_api = GLFW_OPENGL_ES_API;
break;
}
}
if (!sscanf(version, "%d.%d.%d", &_major, &_minor, &_rev))
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"No version found in context version string");
return GL_FALSE;
}
*api = _api;
*major = _major;
*minor = _minor;
*rev = _rev;
return GL_TRUE;
}
//////////////////////////////////////////////////////////////////////////
////// GLFW internal API //////
//////////////////////////////////////////////////////////////////////////
GLboolean _glfwIsValidContextConfig(_GLFWwndconfig* wndconfig)
{
if (wndconfig->clientAPI != GLFW_OPENGL_API &&
wndconfig->clientAPI != GLFW_OPENGL_ES_API)
{
_glfwInputError(GLFW_INVALID_ENUM, "Invalid client API requested");
return GL_FALSE;
}
if (wndconfig->clientAPI == GLFW_OPENGL_API)
{
if ((wndconfig->glMajor < 1 || wndconfig->glMinor < 0) ||
(wndconfig->glMajor == 1 && wndconfig->glMinor > 5) ||
(wndconfig->glMajor == 2 && wndconfig->glMinor > 1) ||
(wndconfig->glMajor == 3 && wndconfig->glMinor > 3))
{
// OpenGL 1.0 is the smallest valid version
// OpenGL 1.x series ended with version 1.5
// OpenGL 2.x series ended with version 2.1
// OpenGL 3.x series ended with version 3.3
_glfwInputError(GLFW_INVALID_VALUE,
"Invalid OpenGL version %i.%i requested",
wndconfig->glMajor, wndconfig->glMinor);
return GL_FALSE;
}
else
{
// For now, let everything else through
}
if (wndconfig->glProfile)
{
if (wndconfig->glProfile != GLFW_OPENGL_CORE_PROFILE &&
wndconfig->glProfile != GLFW_OPENGL_COMPAT_PROFILE)
{
_glfwInputError(GLFW_INVALID_ENUM,
"Invalid OpenGL profile requested");
return GL_FALSE;
}
if (wndconfig->glMajor < 3 ||
(wndconfig->glMajor == 3 && wndconfig->glMinor < 2))
{
// Desktop OpenGL context profiles are only defined for version 3.2
// and above
_glfwInputError(GLFW_INVALID_VALUE,
"Context profiles only exist for "
"OpenGL version 3.2 and above");
return GL_FALSE;
}
}
if (wndconfig->glForward && wndconfig->glMajor < 3)
{
// Forward-compatible contexts are only defined for OpenGL version 3.0 and above
_glfwInputError(GLFW_INVALID_VALUE,
"Forward compatibility only exist for OpenGL "
"version 3.0 and above");
return GL_FALSE;
}
}
else if (wndconfig->clientAPI == GLFW_OPENGL_ES_API)
{
if (wndconfig->glMajor < 1 || wndconfig->glMinor < 0 ||
(wndconfig->glMajor == 1 && wndconfig->glMinor > 1) ||
(wndconfig->glMajor == 2 && wndconfig->glMinor > 0))
{
// OpenGL ES 1.0 is the smallest valid version
// OpenGL ES 1.x series ended with version 1.1
// OpenGL ES 2.x series ended with version 2.0
_glfwInputError(GLFW_INVALID_VALUE,
"Invalid OpenGL ES version %i.%i requested",
wndconfig->glMajor, wndconfig->glMinor);
return GL_FALSE;
}
else
{
// For now, let everything else through
}
if (wndconfig->glProfile)
{
// OpenGL ES does not support profiles
_glfwInputError(GLFW_INVALID_VALUE,
"Context profiles are not supported by OpenGL ES");
return GL_FALSE;
}
if (wndconfig->glForward)
{
// OpenGL ES does not support forward-compatibility
_glfwInputError(GLFW_INVALID_VALUE,
"Forward compatibility is not supported by OpenGL ES");
return GL_FALSE;
}
}
if (wndconfig->glRobustness)
{
if (wndconfig->glRobustness != GLFW_NO_RESET_NOTIFICATION &&
wndconfig->glRobustness != GLFW_LOSE_CONTEXT_ON_RESET)
{
_glfwInputError(GLFW_INVALID_VALUE,
"Invalid context robustness mode requested");
return GL_FALSE;
}
}
return GL_TRUE;
}
const _GLFWfbconfig* _glfwChooseFBConfig(const _GLFWfbconfig* desired,
const _GLFWfbconfig* alternatives,
unsigned int count)
{
unsigned int i;
unsigned int missing, leastMissing = UINT_MAX;
unsigned int colorDiff, leastColorDiff = UINT_MAX;
unsigned int extraDiff, leastExtraDiff = UINT_MAX;
const _GLFWfbconfig* current;
const _GLFWfbconfig* closest = NULL;
for (i = 0; i < count; i++)
{
current = alternatives + i;
if (desired->stereo > 0 && current->stereo == 0)
{
// Stereo is a hard constraint
continue;
}
// Count number of missing buffers
{
missing = 0;
if (desired->alphaBits > 0 && current->alphaBits == 0)
missing++;
if (desired->depthBits > 0 && current->depthBits == 0)
missing++;
if (desired->stencilBits > 0 && current->stencilBits == 0)
missing++;
if (desired->auxBuffers > 0 && current->auxBuffers < desired->auxBuffers)
missing += desired->auxBuffers - current->auxBuffers;
if (desired->samples > 0 && current->samples == 0)
{
// Technically, several multisampling buffers could be
// involved, but that's a lower level implementation detail and
// not important to us here, so we count them as one
missing++;
}
}
// These polynomials make many small channel size differences matter
// less than one large channel size difference
// Calculate color channel size difference value
{
colorDiff = 0;
if (desired->redBits > 0)
{
colorDiff += (desired->redBits - current->redBits) *
(desired->redBits - current->redBits);
}
if (desired->greenBits > 0)
{
colorDiff += (desired->greenBits - current->greenBits) *
(desired->greenBits - current->greenBits);
}
if (desired->blueBits > 0)
{
colorDiff += (desired->blueBits - current->blueBits) *
(desired->blueBits - current->blueBits);
}
}
// Calculate non-color channel size difference value
{
extraDiff = 0;
if (desired->alphaBits > 0)
{
extraDiff += (desired->alphaBits - current->alphaBits) *
(desired->alphaBits - current->alphaBits);
}
if (desired->depthBits > 0)
{
extraDiff += (desired->depthBits - current->depthBits) *
(desired->depthBits - current->depthBits);
}
if (desired->stencilBits > 0)
{
extraDiff += (desired->stencilBits - current->stencilBits) *
(desired->stencilBits - current->stencilBits);
}
if (desired->accumRedBits > 0)
{
extraDiff += (desired->accumRedBits - current->accumRedBits) *
(desired->accumRedBits - current->accumRedBits);
}
if (desired->accumGreenBits > 0)
{
extraDiff += (desired->accumGreenBits - current->accumGreenBits) *
(desired->accumGreenBits - current->accumGreenBits);
}
if (desired->accumBlueBits > 0)
{
extraDiff += (desired->accumBlueBits - current->accumBlueBits) *
(desired->accumBlueBits - current->accumBlueBits);
}
if (desired->accumAlphaBits > 0)
{
extraDiff += (desired->accumAlphaBits - current->accumAlphaBits) *
(desired->accumAlphaBits - current->accumAlphaBits);
}
if (desired->samples > 0)
{
extraDiff += (desired->samples - current->samples) *
(desired->samples - current->samples);
}
if (desired->sRGB)
{
if (!current->sRGB)
extraDiff++;
}
}
// Figure out if the current one is better than the best one found so far
// Least number of missing buffers is the most important heuristic,
// then color buffer size match and lastly size match for other buffers
if (missing < leastMissing)
closest = current;
else if (missing == leastMissing)
{
if ((colorDiff < leastColorDiff) ||
(colorDiff == leastColorDiff && extraDiff < leastExtraDiff))
{
closest = current;
}
}
if (current == closest)
{
leastMissing = missing;
leastColorDiff = colorDiff;
leastExtraDiff = extraDiff;
}
}
return closest;
}
GLboolean _glfwRefreshContextAttribs(void)
{
_GLFWwindow* window = _glfwPlatformGetCurrentContext();
if (!parseGLVersion(&window->clientAPI,
&window->glMajor,
&window->glMinor,
&window->glRevision))
{
return GL_FALSE;
}
#if defined(_GLFW_USE_OPENGL)
if (window->glMajor > 2)
{
// OpenGL 3.0+ uses a different function for extension string retrieval
// We cache it here instead of in glfwExtensionSupported mostly to alert
// users as early as possible that their build may be broken
window->GetStringi = (PFNGLGETSTRINGIPROC) glfwGetProcAddress("glGetStringi");
if (!window->GetStringi)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Entry point retrieval is broken");
return GL_FALSE;
}
}
if (window->clientAPI == GLFW_OPENGL_API)
{
// Read back context flags (OpenGL 3.0 and above)
if (window->glMajor >= 3)
{
GLint flags;
glGetIntegerv(GL_CONTEXT_FLAGS, &flags);
if (flags & GL_CONTEXT_FLAG_FORWARD_COMPATIBLE_BIT)
window->glForward = GL_TRUE;
if (flags & GL_CONTEXT_FLAG_DEBUG_BIT)
window->glDebug = GL_TRUE;
else if (glfwExtensionSupported("GL_ARB_debug_output"))
{
// HACK: This is a workaround for older drivers (pre KHR_debug)
// not setting the debug bit in the context flags for
// debug contexts
window->glDebug = GL_TRUE;
}
}
// Read back OpenGL context profile (OpenGL 3.2 and above)
if (window->glMajor > 3 ||
(window->glMajor == 3 && window->glMinor >= 2))
{
GLint mask;
glGetIntegerv(GL_CONTEXT_PROFILE_MASK, &mask);
if (mask & GL_CONTEXT_COMPATIBILITY_PROFILE_BIT)
window->glProfile = GLFW_OPENGL_COMPAT_PROFILE;
else if (mask & GL_CONTEXT_CORE_PROFILE_BIT)
window->glProfile = GLFW_OPENGL_CORE_PROFILE;
else if (glfwExtensionSupported("GL_ARB_compatibility"))
{
// HACK: This is a workaround for the compatibility profile bit
// not being set in the context flags if an OpenGL 3.2+
// context was created without having requested a specific
// version
window->glProfile = GLFW_OPENGL_COMPAT_PROFILE;
}
}
// Read back robustness strategy
if (glfwExtensionSupported("GL_ARB_robustness"))
{
// NOTE: We avoid using the context flags for detection, as they are
// only present from 3.0 while the extension applies from 1.1
GLint strategy;
glGetIntegerv(GL_RESET_NOTIFICATION_STRATEGY_ARB, &strategy);
if (strategy == GL_LOSE_CONTEXT_ON_RESET_ARB)
window->glRobustness = GLFW_LOSE_CONTEXT_ON_RESET;
else if (strategy == GL_NO_RESET_NOTIFICATION_ARB)
window->glRobustness = GLFW_NO_RESET_NOTIFICATION;
}
}
else
{
// Read back robustness strategy
if (glfwExtensionSupported("GL_EXT_robustness"))
{
// NOTE: The values of these constants match those of the OpenGL ARB
// one, so we can reuse them here
GLint strategy;
glGetIntegerv(GL_RESET_NOTIFICATION_STRATEGY_ARB, &strategy);
if (strategy == GL_LOSE_CONTEXT_ON_RESET_ARB)
window->glRobustness = GLFW_LOSE_CONTEXT_ON_RESET;
else if (strategy == GL_NO_RESET_NOTIFICATION_ARB)
window->glRobustness = GLFW_NO_RESET_NOTIFICATION;
}
}
#endif // _GLFW_USE_OPENGL
return GL_TRUE;
}
GLboolean _glfwIsValidContext(_GLFWwndconfig* wndconfig)
{
_GLFWwindow* window = _glfwPlatformGetCurrentContext();
if (window->glMajor < wndconfig->glMajor ||
(window->glMajor == wndconfig->glMajor &&
window->glMinor < wndconfig->glMinor))
{
// The desired OpenGL version is greater than the actual version
// This only happens if the machine lacks {GLX|WGL}_ARB_create_context
// /and/ the user has requested an OpenGL version greater than 1.0
// For API consistency, we emulate the behavior of the
// {GLX|WGL}_ARB_create_context extension and fail here
_glfwInputError(GLFW_VERSION_UNAVAILABLE, NULL);
return GL_FALSE;
}
return GL_TRUE;
}
int _glfwStringInExtensionString(const char* string, const GLubyte* extensions)
{
const GLubyte* start;
GLubyte* where;
GLubyte* terminator;
// It takes a bit of care to be fool-proof about parsing the
// OpenGL extensions string. Don't be fooled by sub-strings,
// etc.
start = extensions;
for (;;)
{
where = (GLubyte*) strstr((const char*) start, string);
if (!where)
return GL_FALSE;
terminator = where + strlen(string);
if (where == start || *(where - 1) == ' ')
{
if (*terminator == ' ' || *terminator == '\0')
break;
}
start = terminator;
}
return GL_TRUE;
}
//////////////////////////////////////////////////////////////////////////
////// GLFW public API //////
//////////////////////////////////////////////////////////////////////////
GLFWAPI void glfwMakeContextCurrent(GLFWwindow* handle)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
_GLFW_REQUIRE_INIT();
if (_glfwPlatformGetCurrentContext() == window)
return;
_glfwPlatformMakeContextCurrent(window);
}
GLFWAPI GLFWwindow* glfwGetCurrentContext(void)
{
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
return (GLFWwindow*) _glfwPlatformGetCurrentContext();
}
GLFWAPI void glfwSwapBuffers(GLFWwindow* handle)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
_GLFW_REQUIRE_INIT();
_glfwPlatformSwapBuffers(window);
}
GLFWAPI void glfwSwapInterval(int interval)
{
_GLFW_REQUIRE_INIT();
if (!_glfwPlatformGetCurrentContext())
{
_glfwInputError(GLFW_NO_CURRENT_CONTEXT, NULL);
return;
}
_glfwPlatformSwapInterval(interval);
}
GLFWAPI int glfwExtensionSupported(const char* extension)
{
const GLubyte* extensions;
_GLFWwindow* window;
_GLFW_REQUIRE_INIT_OR_RETURN(GL_FALSE);
window = _glfwPlatformGetCurrentContext();
if (!window)
{
_glfwInputError(GLFW_NO_CURRENT_CONTEXT, NULL);
return GL_FALSE;
}
if (!extension || *extension == '\0')
{
_glfwInputError(GLFW_INVALID_VALUE, NULL);
return GL_FALSE;
}
if (window->glMajor < 3)
{
// Check if extension is in the old style OpenGL extensions string
extensions = glGetString(GL_EXTENSIONS);
if (!extensions)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Failed to retrieve extension string");
return GL_FALSE;
}
if (_glfwStringInExtensionString(extension, extensions))
return GL_TRUE;
}
#if defined(_GLFW_USE_OPENGL)
else
{
int i;
GLint count;
// Check if extension is in the modern OpenGL extensions string list
glGetIntegerv(GL_NUM_EXTENSIONS, &count);
for (i = 0; i < count; i++)
{
const char* en = (const char*) window->GetStringi(GL_EXTENSIONS, i);
if (!en)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Failed to retrieve extension string %i", i);
return GL_FALSE;
}
if (strcmp(en, extension) == 0)
return GL_TRUE;
}
}
#endif // _GLFW_USE_OPENGL
// Check if extension is in the platform-specific string
return _glfwPlatformExtensionSupported(extension);
}
GLFWAPI GLFWglproc glfwGetProcAddress(const char* procname)
{
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
if (!_glfwPlatformGetCurrentContext())
{
_glfwInputError(GLFW_NO_CURRENT_CONTEXT, NULL);
return NULL;
}
return _glfwPlatformGetProcAddress(procname);
}

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//========================================================================
// GLFW 3.0 EGL - www.glfw.org
//------------------------------------------------------------------------
// Copyright (c) 2002-2006 Marcus Geelnard
// Copyright (c) 2006-2010 Camilla Berglund <elmindreda@elmindreda.org>
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would
// be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such, and must not
// be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source
// distribution.
//
//========================================================================
#include "internal.h"
#include <stdio.h>
#include <stdlib.h>
#include <assert.h>
// Thread local storage attribute macro
//
#if defined(_MSC_VER)
#define _GLFW_TLS __declspec(thread)
#elif defined(__GNUC__)
#define _GLFW_TLS __thread
#else
#define _GLFW_TLS
#endif
// The per-thread current context/window pointer
//
static _GLFW_TLS _GLFWwindow* _glfwCurrentWindow = NULL;
// Return a description of the specified EGL error
//
static const char* getErrorString(EGLint error)
{
switch (error)
{
case EGL_SUCCESS:
return "Success";
case EGL_NOT_INITIALIZED:
return "EGL is not or could not be initialized";
case EGL_BAD_ACCESS:
return "EGL cannot access a requested resource";
case EGL_BAD_ALLOC:
return "EGL failed to allocate resources for the requested operation";
case EGL_BAD_ATTRIBUTE:
return "An unrecognized attribute or attribute value was passed "
"in the attribute list";
case EGL_BAD_CONTEXT:
return "An EGLContext argument does not name a valid EGL "
"rendering context";
case EGL_BAD_CONFIG:
return "An EGLConfig argument does not name a valid EGL frame "
"buffer configuration";
case EGL_BAD_CURRENT_SURFACE:
return "The current surface of the calling thread is a window, pixel "
"buffer or pixmap that is no longer valid";
case EGL_BAD_DISPLAY:
return "An EGLDisplay argument does not name a valid EGL display "
"connection";
case EGL_BAD_SURFACE:
return "An EGLSurface argument does not name a valid surface "
"configured for GL rendering";
case EGL_BAD_MATCH:
return "Arguments are inconsistent";
case EGL_BAD_PARAMETER:
return "One or more argument values are invalid";
case EGL_BAD_NATIVE_PIXMAP:
return "A NativePixmapType argument does not refer to a valid "
"native pixmap";
case EGL_BAD_NATIVE_WINDOW:
return "A NativeWindowType argument does not refer to a valid "
"native window";
case EGL_CONTEXT_LOST:
return "The application must destroy all contexts and reinitialise";
}
return "UNKNOWN EGL ERROR";
}
// Returns the specified attribute of the specified EGLConfig
//
static int getConfigAttrib(EGLConfig config, int attrib)
{
int value;
eglGetConfigAttrib(_glfw.egl.display, config, attrib, &value);
return value;
}
// Return a list of available and usable framebuffer configs
//
static GLboolean chooseFBConfigs(const _GLFWwndconfig* wndconfig,
const _GLFWfbconfig* desired,
EGLConfig* result)
{
EGLConfig* nativeConfigs;
_GLFWfbconfig* usableConfigs;
const _GLFWfbconfig* closest;
int i, nativeCount, usableCount;
eglGetConfigs(_glfw.egl.display, NULL, 0, &nativeCount);
if (!nativeCount)
{
_glfwInputError(GLFW_API_UNAVAILABLE, "EGL: No EGLConfigs returned");
return GL_FALSE;
}
nativeConfigs = calloc(nativeCount, sizeof(EGLConfig));
eglGetConfigs(_glfw.egl.display, nativeConfigs, nativeCount, &nativeCount);
usableConfigs = calloc(nativeCount, sizeof(_GLFWfbconfig));
usableCount = 0;
for (i = 0; i < nativeCount; i++)
{
const EGLConfig n = nativeConfigs[i];
_GLFWfbconfig* u = usableConfigs + usableCount;
#if defined(_GLFW_X11)
if (!getConfigAttrib(n, EGL_NATIVE_VISUAL_ID))
{
// Only consider EGLConfigs with associated visuals
continue;
}
#endif // _GLFW_X11
if (!(getConfigAttrib(n, EGL_COLOR_BUFFER_TYPE) & EGL_RGB_BUFFER))
{
// Only consider RGB(A) EGLConfigs
continue;
}
if (!(getConfigAttrib(n, EGL_SURFACE_TYPE) & EGL_WINDOW_BIT))
{
// Only consider window EGLConfigs
continue;
}
if (wndconfig->clientAPI == GLFW_OPENGL_ES_API)
{
if (wndconfig->glMajor == 1)
{
if (!(getConfigAttrib(n, EGL_RENDERABLE_TYPE) & EGL_OPENGL_ES_BIT))
continue;
}
else
{
if (!(getConfigAttrib(n, EGL_RENDERABLE_TYPE) & EGL_OPENGL_ES2_BIT))
continue;
}
}
else if (wndconfig->clientAPI == GLFW_OPENGL_API)
{
if (!(getConfigAttrib(n, EGL_RENDERABLE_TYPE) & EGL_OPENGL_BIT))
continue;
}
u->redBits = getConfigAttrib(n, EGL_RED_SIZE);
u->greenBits = getConfigAttrib(n, EGL_GREEN_SIZE);
u->blueBits = getConfigAttrib(n, EGL_BLUE_SIZE);
u->alphaBits = getConfigAttrib(n, EGL_ALPHA_SIZE);
u->depthBits = getConfigAttrib(n, EGL_DEPTH_SIZE);
u->stencilBits = getConfigAttrib(n, EGL_STENCIL_SIZE);
u->samples = getConfigAttrib(n, EGL_SAMPLES);
u->egl = n;
usableCount++;
}
closest = _glfwChooseFBConfig(desired, usableConfigs, usableCount);
if (closest)
*result = closest->egl;
free(nativeConfigs);
free(usableConfigs);
return closest ? GL_TRUE : GL_FALSE;
}
//////////////////////////////////////////////////////////////////////////
////// GLFW internal API //////
//////////////////////////////////////////////////////////////////////////
// Initialize EGL
//
int _glfwInitContextAPI(void)
{
_glfw.egl.display = eglGetDisplay((EGLNativeDisplayType)_GLFW_EGL_NATIVE_DISPLAY);
if (_glfw.egl.display == EGL_NO_DISPLAY)
{
_glfwInputError(GLFW_API_UNAVAILABLE,
"EGL: Failed to get EGL display: %s",
getErrorString(eglGetError()));
return GL_FALSE;
}
if (!eglInitialize(_glfw.egl.display,
&_glfw.egl.versionMajor,
&_glfw.egl.versionMinor))
{
_glfwInputError(GLFW_API_UNAVAILABLE,
"EGL: Failed to initialize EGL: %s",
getErrorString(eglGetError()));
return GL_FALSE;
}
if (_glfwPlatformExtensionSupported("EGL_KHR_create_context"))
_glfw.egl.KHR_create_context = GL_TRUE;
return GL_TRUE;
}
// Terminate EGL
//
void _glfwTerminateContextAPI(void)
{
eglTerminate(_glfw.egl.display);
}
#define setEGLattrib(attribName, attribValue) \
{ \
attribs[index++] = attribName; \
attribs[index++] = attribValue; \
assert((size_t) index < sizeof(attribs) / sizeof(attribs[0])); \
}
// Prepare for creation of the OpenGL context
//
int _glfwCreateContext(_GLFWwindow* window,
const _GLFWwndconfig* wndconfig,
const _GLFWfbconfig* fbconfig)
{
int attribs[40];
EGLint count = 0;
EGLConfig config;
EGLContext share = NULL;
if (wndconfig->share)
share = wndconfig->share->egl.context;
if (!chooseFBConfigs(wndconfig, fbconfig, &config))
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"EGL: Failed to find a suitable EGLConfig");
return GL_FALSE;
}
#if defined(_GLFW_X11)
// Retrieve the visual corresponding to the chosen EGL config
{
int mask;
EGLint redBits, greenBits, blueBits, alphaBits, visualID = 0;
XVisualInfo info;
eglGetConfigAttrib(_glfw.egl.display, config,
EGL_NATIVE_VISUAL_ID, &visualID);
info.screen = _glfw.x11.screen;
mask = VisualScreenMask;
if (visualID)
{
// The X window visual must match the EGL config
info.visualid = visualID;
mask |= VisualIDMask;
}
else
{
// some EGL drivers don't implement the EGL_NATIVE_VISUAL_ID
// attribute, so attempt to find the closest match.
eglGetConfigAttrib(_glfw.egl.display, config,
EGL_RED_SIZE, &redBits);
eglGetConfigAttrib(_glfw.egl.display, config,
EGL_GREEN_SIZE, &greenBits);
eglGetConfigAttrib(_glfw.egl.display, config,
EGL_BLUE_SIZE, &blueBits);
eglGetConfigAttrib(_glfw.egl.display, config,
EGL_ALPHA_SIZE, &alphaBits);
info.depth = redBits + greenBits + blueBits + alphaBits;
mask |= VisualDepthMask;
}
window->egl.visual = XGetVisualInfo(_glfw.x11.display,
mask, &info, &count);
if (window->egl.visual == NULL)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"EGL: Failed to retrieve visual for EGLConfig");
return GL_FALSE;
}
}
#endif // _GLFW_X11
if (wndconfig->clientAPI == GLFW_OPENGL_ES_API)
{
if (!eglBindAPI(EGL_OPENGL_ES_API))
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"EGL: Failed to bind OpenGL ES: %s",
getErrorString(eglGetError()));
return GL_FALSE;
}
}
else
{
if (!eglBindAPI(EGL_OPENGL_API))
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"EGL: Failed to bind OpenGL: %s",
getErrorString(eglGetError()));
return GL_FALSE;
}
}
if (_glfw.egl.KHR_create_context)
{
int index = 0, mask = 0, flags = 0, strategy = 0;
if (wndconfig->clientAPI == GLFW_OPENGL_API)
{
if (wndconfig->glProfile == GLFW_OPENGL_CORE_PROFILE)
mask |= EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT_KHR;
else if (wndconfig->glProfile == GLFW_OPENGL_COMPAT_PROFILE)
mask |= EGL_CONTEXT_OPENGL_COMPATIBILITY_PROFILE_BIT_KHR;
if (wndconfig->glForward)
flags |= EGL_CONTEXT_OPENGL_FORWARD_COMPATIBLE_BIT_KHR;
if (wndconfig->glDebug)
flags |= EGL_CONTEXT_OPENGL_DEBUG_BIT_KHR;
}
if (wndconfig->glRobustness != GLFW_NO_ROBUSTNESS)
{
if (wndconfig->glRobustness == GLFW_NO_RESET_NOTIFICATION)
strategy = EGL_NO_RESET_NOTIFICATION_KHR;
else if (wndconfig->glRobustness == GLFW_LOSE_CONTEXT_ON_RESET)
strategy = EGL_LOSE_CONTEXT_ON_RESET_KHR;
flags |= EGL_CONTEXT_OPENGL_ROBUST_ACCESS_BIT_KHR;
}
if (wndconfig->glMajor != 1 || wndconfig->glMinor != 0)
{
setEGLattrib(EGL_CONTEXT_MAJOR_VERSION_KHR, wndconfig->glMajor);
setEGLattrib(EGL_CONTEXT_MINOR_VERSION_KHR, wndconfig->glMinor);
}
if (mask)
setEGLattrib(EGL_CONTEXT_OPENGL_PROFILE_MASK_KHR, mask);
if (flags)
setEGLattrib(EGL_CONTEXT_FLAGS_KHR, flags);
if (strategy)
setEGLattrib(EGL_CONTEXT_OPENGL_RESET_NOTIFICATION_STRATEGY_KHR, strategy);
setEGLattrib(EGL_NONE, EGL_NONE);
}
else
{
int index = 0;
if (wndconfig->clientAPI == GLFW_OPENGL_ES_API)
setEGLattrib(EGL_CONTEXT_CLIENT_VERSION, wndconfig->glMajor);
setEGLattrib(EGL_NONE, EGL_NONE);
}
window->egl.context = eglCreateContext(_glfw.egl.display,
config, share, attribs);
if (window->egl.context == EGL_NO_CONTEXT)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"EGL: Failed to create context: %s",
getErrorString(eglGetError()));
return GL_FALSE;
}
window->egl.config = config;
return GL_TRUE;
}
#undef setEGLattrib
// Destroy the OpenGL context
//
void _glfwDestroyContext(_GLFWwindow* window)
{
#if defined(_GLFW_X11)
if (window->egl.visual)
{
XFree(window->egl.visual);
window->egl.visual = NULL;
}
#endif // _GLFW_X11
if (window->egl.surface)
{
eglDestroySurface(_glfw.egl.display, window->egl.surface);
window->egl.surface = EGL_NO_SURFACE;
}
if (window->egl.context)
{
eglDestroyContext(_glfw.egl.display, window->egl.context);
window->egl.context = EGL_NO_CONTEXT;
}
}
// Analyzes the specified context for possible recreation
//
int _glfwAnalyzeContext(const _GLFWwindow* window,
const _GLFWwndconfig* wndconfig,
const _GLFWfbconfig* fbconfig)
{
#if defined(_GLFW_WIN32)
return _GLFW_RECREATION_NOT_NEEDED;
#else
return 0;
#endif
}
//////////////////////////////////////////////////////////////////////////
////// GLFW platform API //////
//////////////////////////////////////////////////////////////////////////
void _glfwPlatformMakeContextCurrent(_GLFWwindow* window)
{
if (window)
{
if (window->egl.surface == EGL_NO_SURFACE)
{
window->egl.surface = eglCreateWindowSurface(_glfw.egl.display,
window->egl.config,
(EGLNativeWindowType)_GLFW_EGL_NATIVE_WINDOW,
NULL);
if (window->egl.surface == EGL_NO_SURFACE)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"EGL: Failed to create window surface: %s",
getErrorString(eglGetError()));
}
}
eglMakeCurrent(_glfw.egl.display,
window->egl.surface,
window->egl.surface,
window->egl.context);
}
else
{
eglMakeCurrent(_glfw.egl.display,
EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
}
_glfwCurrentWindow = window;
}
_GLFWwindow* _glfwPlatformGetCurrentContext(void)
{
return _glfwCurrentWindow;
}
void _glfwPlatformSwapBuffers(_GLFWwindow* window)
{
eglSwapBuffers(_glfw.egl.display, window->egl.surface);
}
void _glfwPlatformSwapInterval(int interval)
{
eglSwapInterval(_glfw.egl.display, interval);
}
int _glfwPlatformExtensionSupported(const char* extension)
{
const char* extensions;
extensions = eglQueryString(_glfw.egl.display, EGL_EXTENSIONS);
if (extensions != NULL)
{
if (_glfwStringInExtensionString(extension, (unsigned char*) extensions))
return GL_TRUE;
}
return GL_FALSE;
}
GLFWglproc _glfwPlatformGetProcAddress(const char* procname)
{
return eglGetProcAddress(procname);
}
//////////////////////////////////////////////////////////////////////////
////// GLFW native API //////
//////////////////////////////////////////////////////////////////////////
GLFWAPI EGLDisplay glfwGetEGLDisplay(void)
{
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
return _glfw.egl.display;
}
GLFWAPI EGLContext glfwGetEGLContext(GLFWwindow* handle)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
return window->egl.context;
}
GLFWAPI EGLSurface glfwGetEGLSurface(GLFWwindow* handle)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
_GLFW_REQUIRE_INIT_OR_RETURN(0);
return window->egl.surface;
}

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//========================================================================
// GLFW 3.0 EGL - www.glfw.org
//------------------------------------------------------------------------
// Copyright (c) 2002-2006 Marcus Geelnard
// Copyright (c) 2006-2010 Camilla Berglund <elmindreda@elmindreda.org>
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would
// be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such, and must not
// be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source
// distribution.
//
//========================================================================
#ifndef _egl_platform_h_
#define _egl_platform_h_
#include <EGL/egl.h>
// This path may need to be changed if you build GLFW using your own setup
// We ship and use our own copy of eglext.h since GLFW uses fairly new
// extensions and not all operating systems come with an up-to-date version
#include "../deps/EGL/eglext.h"
// Do we have support for dlopen/dlsym?
#if defined(_GLFW_HAS_DLOPEN)
#include <dlfcn.h>
#endif
#define _GLFW_PLATFORM_FBCONFIG EGLConfig egl
#define _GLFW_PLATFORM_CONTEXT_STATE _GLFWcontextEGL egl
#define _GLFW_PLATFORM_LIBRARY_OPENGL_STATE _GLFWlibraryEGL egl
//========================================================================
// GLFW platform specific types
//========================================================================
//------------------------------------------------------------------------
// Platform-specific OpenGL context structure
//------------------------------------------------------------------------
typedef struct _GLFWcontextEGL
{
EGLConfig config;
EGLContext context;
EGLSurface surface;
#if defined(_GLFW_X11)
XVisualInfo* visual;
#endif
} _GLFWcontextEGL;
//------------------------------------------------------------------------
// Platform-specific library global data for EGL
//------------------------------------------------------------------------
typedef struct _GLFWlibraryEGL
{
EGLDisplay display;
EGLint versionMajor, versionMinor;
GLboolean KHR_create_context;
} _GLFWlibraryEGL;
#endif // _egl_platform_h_

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//========================================================================
// GLFW 3.0 - www.glfw.org
//------------------------------------------------------------------------
// Copyright (c) 2010 Camilla Berglund <elmindreda@elmindreda.org>
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would
// be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such, and must not
// be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source
// distribution.
//
//========================================================================
#include "internal.h"
#include <math.h>
#include <stdlib.h>
#include <string.h>
#if defined(_MSC_VER)
#include <malloc.h>
#endif
//////////////////////////////////////////////////////////////////////////
////// GLFW internal API //////
//////////////////////////////////////////////////////////////////////////
void _glfwAllocGammaArrays(GLFWgammaramp* ramp, unsigned int size)
{
ramp->red = calloc(size, sizeof(unsigned short));
ramp->green = calloc(size, sizeof(unsigned short));
ramp->blue = calloc(size, sizeof(unsigned short));
ramp->size = size;
}
void _glfwFreeGammaArrays(GLFWgammaramp* ramp)
{
free(ramp->red);
free(ramp->green);
free(ramp->blue);
memset(ramp, 0, sizeof(GLFWgammaramp));
}
//////////////////////////////////////////////////////////////////////////
////// GLFW public API //////
//////////////////////////////////////////////////////////////////////////
GLFWAPI void glfwSetGamma(GLFWmonitor* handle, float gamma)
{
int i;
unsigned short values[256];
GLFWgammaramp ramp;
_GLFW_REQUIRE_INIT();
if (gamma <= 0.f)
{
_glfwInputError(GLFW_INVALID_VALUE,
"Gamma value must be greater than zero");
return;
}
for (i = 0; i < 256; i++)
{
double value;
// Calculate intensity
value = i / 255.0;
// Apply gamma curve
value = pow(value, 1.0 / gamma) * 65535.0 + 0.5;
// Clamp to value range
if (value > 65535.0)
value = 65535.0;
values[i] = (unsigned short) value;
}
ramp.red = values;
ramp.green = values;
ramp.blue = values;
ramp.size = 256;
glfwSetGammaRamp(handle, &ramp);
}
GLFWAPI const GLFWgammaramp* glfwGetGammaRamp(GLFWmonitor* handle)
{
_GLFWmonitor* monitor = (_GLFWmonitor*) handle;
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
_glfwFreeGammaArrays(&monitor->currentRamp);
_glfwPlatformGetGammaRamp(monitor, &monitor->currentRamp);
return &monitor->currentRamp;
}
GLFWAPI void glfwSetGammaRamp(GLFWmonitor* handle, const GLFWgammaramp* ramp)
{
_GLFWmonitor* monitor = (_GLFWmonitor*) handle;
_GLFW_REQUIRE_INIT();
if (!monitor->originalRamp.size)
_glfwPlatformGetGammaRamp(monitor, &monitor->originalRamp);
_glfwPlatformSetGammaRamp(monitor, ramp);
}

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prefix=@CMAKE_INSTALL_PREFIX@
exec_prefix=${prefix}
includedir=${prefix}/include
libdir=${exec_prefix}/lib@LIB_SUFFIX@
Name: GLFW
Description: A portable library for OpenGL, window and input
Version: @GLFW_VERSION_FULL@
URL: http://www.glfw.org/
Requires.private: @GLFW_PKG_DEPS@
Libs: -L${libdir} -l@GLFW_LIB_NAME@
Libs.private: @GLFW_PKG_LIBS@
Cflags: -I${includedir}

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# - Config file for the glfw package
# It defines the following variables
# GLFW_INCLUDE_DIR, the path where GLFW headers are located
# GLFW_LIBRARY_DIR, folder in which the GLFW library is located
# GLFW_LIBRARY, library to link against to use GLFW
set(GLFW_INCLUDE_DIR "@CMAKE_INSTALL_PREFIX@/include")
set(GLFW_LIBRARY_DIR "@CMAKE_INSTALL_PREFIX@/lib@LIB_SUFFIX@")
find_library(GLFW_LIBRARY "@GLFW_LIB_NAME@" HINTS ${GLFW_LIBRARY_DIR})

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set(PACKAGE_VERSION "@GLFW_VERSION_FULL@")
if ("${PACKAGE_FIND_VERSION_MAJOR}" EQUAL "@GLFW_VERSION_MAJOR@")
set(PACKAGE_VERSION_COMPATIBLE TRUE)
if ("${PACKAGE_FIND_VERSION_MINOR}" EQUAL @GLFW_VERSION_MINOR@)
set(PACKAGE_VERSION_EXACT TRUE)
endif()
else()
set(PACKAGE_VERSION_COMPATIBLE FALSE)
endif()

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//========================================================================
// GLFW 3.0 - www.glfw.org
//------------------------------------------------------------------------
// Copyright (c) 2010 Camilla Berglund <elmindreda@elmindreda.org>
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would
// be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such, and must not
// be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source
// distribution.
//
//========================================================================
// As glfw_config.h.in, this file is used by CMake to produce the
// glfw_config.h configuration header file. If you are adding a feature
// requiring conditional compilation, this is where to add the macro.
//========================================================================
// As glfw_config.h, this file defines compile-time option macros for a
// specific platform and development environment. If you are using the
// GLFW CMake files, modify glfw_config.h.in instead of this file. If you
// are using your own build system, make this file define the appropriate
// macros in whatever way is suitable.
//========================================================================
// Define this to 1 if building GLFW for X11
#cmakedefine _GLFW_X11
// Define this to 1 if building GLFW for Win32
#cmakedefine _GLFW_WIN32
// Define this to 1 if building GLFW for Cocoa
#cmakedefine _GLFW_COCOA
// Define this to 1 if building GLFW for EGL
#cmakedefine _GLFW_EGL
// Define this to 1 if building GLFW for GLX
#cmakedefine _GLFW_GLX
// Define this to 1 if building GLFW for WGL
#cmakedefine _GLFW_WGL
// Define this to 1 if building GLFW for NSGL
#cmakedefine _GLFW_NSGL
// Define this to 1 if building as a shared library / dynamic library / DLL
#cmakedefine _GLFW_BUILD_DLL
// Define this to 1 to disable dynamic loading of winmm
#cmakedefine _GLFW_NO_DLOAD_WINMM
// Define this to 1 if glfwSwapInterval should ignore DWM compositing status
#cmakedefine _GLFW_USE_DWM_SWAP_INTERVAL
// Define this to 1 to force use of high-performance GPU on Optimus systems
#cmakedefine _GLFW_USE_OPTIMUS_HPG
// Define this to 1 if glXGetProcAddress is available
#cmakedefine _GLFW_HAS_GLXGETPROCADDRESS
// Define this to 1 if glXGetProcAddressARB is available
#cmakedefine _GLFW_HAS_GLXGETPROCADDRESSARB
// Define this to 1 if glXGetProcAddressEXT is available
#cmakedefine _GLFW_HAS_GLXGETPROCADDRESSEXT
// Define this to 1 if dlopen is available
#cmakedefine _GLFW_HAS_DLOPEN
// Define this to 1 if glfwInit should change the current directory
#cmakedefine _GLFW_USE_CHDIR
// Define this to 1 if glfwCreateWindow should populate the menu bar
#cmakedefine _GLFW_USE_MENUBAR
// Define this to 1 if using OpenGL as the client library
#cmakedefine _GLFW_USE_OPENGL
// Define this to 1 if using OpenGL ES 1.1 as the client library
#cmakedefine _GLFW_USE_GLESV1
// Define this to 1 if using OpenGL ES 2.0 as the client library
#cmakedefine _GLFW_USE_GLESV2

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//========================================================================
// GLFW 3.0 GLX - www.glfw.org
//------------------------------------------------------------------------
// Copyright (c) 2002-2006 Marcus Geelnard
// Copyright (c) 2006-2010 Camilla Berglund <elmindreda@elmindreda.org>
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would
// be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such, and must not
// be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source
// distribution.
//
//========================================================================
#include "internal.h"
#include <string.h>
#include <stdlib.h>
#include <assert.h>
// This is the only glXGetProcAddress variant not declared by glxext.h
void (*glXGetProcAddressEXT(const GLubyte* procName))();
#ifndef GLXBadProfileARB
#define GLXBadProfileARB 13
#endif
// Returns the specified attribute of the specified GLXFBConfig
// NOTE: Do not call this unless we have found GLX 1.3+ or GLX_SGIX_fbconfig
//
static int getFBConfigAttrib(GLXFBConfig fbconfig, int attrib)
{
int value;
if (_glfw.glx.SGIX_fbconfig)
{
_glfw.glx.GetFBConfigAttribSGIX(_glfw.x11.display,
fbconfig, attrib, &value);
}
else
glXGetFBConfigAttrib(_glfw.x11.display, fbconfig, attrib, &value);
return value;
}
// Return a list of available and usable framebuffer configs
//
static GLboolean chooseFBConfig(const _GLFWfbconfig* desired, GLXFBConfig* result)
{
GLXFBConfig* nativeConfigs;
_GLFWfbconfig* usableConfigs;
const _GLFWfbconfig* closest;
int i, nativeCount, usableCount;
const char* vendor;
GLboolean trustWindowBit = GL_TRUE;
vendor = glXGetClientString(_glfw.x11.display, GLX_VENDOR);
if (strcmp(vendor, "Chromium") == 0)
{
// HACK: This is a (hopefully temporary) workaround for Chromium
// (VirtualBox GL) not setting the window bit on any GLXFBConfigs
trustWindowBit = GL_FALSE;
}
if (_glfw.glx.SGIX_fbconfig)
{
nativeConfigs = _glfw.glx.ChooseFBConfigSGIX(_glfw.x11.display,
_glfw.x11.screen,
NULL,
&nativeCount);
}
else
{
nativeConfigs = glXGetFBConfigs(_glfw.x11.display,
_glfw.x11.screen,
&nativeCount);
}
if (!nativeCount)
{
_glfwInputError(GLFW_API_UNAVAILABLE,
"GLX: No GLXFBConfigs returned");
return GL_FALSE;
}
usableConfigs = calloc(nativeCount, sizeof(_GLFWfbconfig));
usableCount = 0;
for (i = 0; i < nativeCount; i++)
{
const GLXFBConfig n = nativeConfigs[i];
_GLFWfbconfig* u = usableConfigs + usableCount;
if (!getFBConfigAttrib(n, GLX_DOUBLEBUFFER) ||
!getFBConfigAttrib(n, GLX_VISUAL_ID))
{
// Only consider double-buffered GLXFBConfigs with associated visuals
continue;
}
if (!(getFBConfigAttrib(n, GLX_RENDER_TYPE) & GLX_RGBA_BIT))
{
// Only consider RGBA GLXFBConfigs
continue;
}
if (!(getFBConfigAttrib(n, GLX_DRAWABLE_TYPE) & GLX_WINDOW_BIT))
{
if (trustWindowBit)
{
// Only consider window GLXFBConfigs
continue;
}
}
u->redBits = getFBConfigAttrib(n, GLX_RED_SIZE);
u->greenBits = getFBConfigAttrib(n, GLX_GREEN_SIZE);
u->blueBits = getFBConfigAttrib(n, GLX_BLUE_SIZE);
u->alphaBits = getFBConfigAttrib(n, GLX_ALPHA_SIZE);
u->depthBits = getFBConfigAttrib(n, GLX_DEPTH_SIZE);
u->stencilBits = getFBConfigAttrib(n, GLX_STENCIL_SIZE);
u->accumRedBits = getFBConfigAttrib(n, GLX_ACCUM_RED_SIZE);
u->accumGreenBits = getFBConfigAttrib(n, GLX_ACCUM_GREEN_SIZE);
u->accumBlueBits = getFBConfigAttrib(n, GLX_ACCUM_BLUE_SIZE);
u->accumAlphaBits = getFBConfigAttrib(n, GLX_ACCUM_ALPHA_SIZE);
u->auxBuffers = getFBConfigAttrib(n, GLX_AUX_BUFFERS);
u->stereo = getFBConfigAttrib(n, GLX_STEREO);
if (_glfw.glx.ARB_multisample)
u->samples = getFBConfigAttrib(n, GLX_SAMPLES);
if (_glfw.glx.ARB_framebuffer_sRGB)
u->sRGB = getFBConfigAttrib(n, GLX_FRAMEBUFFER_SRGB_CAPABLE_ARB);
u->glx = n;
usableCount++;
}
closest = _glfwChooseFBConfig(desired, usableConfigs, usableCount);
if (closest)
*result = closest->glx;
XFree(nativeConfigs);
free(usableConfigs);
return closest ? GL_TRUE : GL_FALSE;
}
// Create the OpenGL context using legacy API
//
static GLXContext createLegacyContext(_GLFWwindow* window,
GLXFBConfig fbconfig,
GLXContext share)
{
if (_glfw.glx.SGIX_fbconfig)
{
return _glfw.glx.CreateContextWithConfigSGIX(_glfw.x11.display,
fbconfig,
GLX_RGBA_TYPE,
share,
True);
}
return glXCreateNewContext(_glfw.x11.display,
fbconfig,
GLX_RGBA_TYPE,
share,
True);
}
//////////////////////////////////////////////////////////////////////////
////// GLFW internal API //////
//////////////////////////////////////////////////////////////////////////
// Initialize GLX
//
int _glfwInitContextAPI(void)
{
#ifdef _GLFW_DLOPEN_LIBGL
int i;
char* libGL_names[ ] =
{
"libGL.so",
"libGL.so.1",
"/usr/lib/libGL.so",
"/usr/lib/libGL.so.1",
NULL
};
for (i = 0; libGL_names[i] != NULL; i++)
{
_glfw.glx.libGL = dlopen(libGL_names[i], RTLD_LAZY | RTLD_GLOBAL);
if (_glfw.glx.libGL)
break;
}
if (!_glfw.glx.libGL)
{
_glfwInputError(GLFW_PLATFORM_ERROR, "GLX: Failed to find libGL");
return GL_FALSE;
}
#endif
if (pthread_key_create(&_glfw.glx.current, NULL) != 0)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"GLX: Failed to create context TLS");
return GL_FALSE;
}
// Check if GLX is supported on this display
if (!glXQueryExtension(_glfw.x11.display,
&_glfw.glx.errorBase,
&_glfw.glx.eventBase))
{
_glfwInputError(GLFW_API_UNAVAILABLE, "GLX: GLX support not found");
return GL_FALSE;
}
if (!glXQueryVersion(_glfw.x11.display,
&_glfw.glx.versionMajor,
&_glfw.glx.versionMinor))
{
_glfwInputError(GLFW_API_UNAVAILABLE,
"GLX: Failed to query GLX version");
return GL_FALSE;
}
if (_glfwPlatformExtensionSupported("GLX_EXT_swap_control"))
{
_glfw.glx.SwapIntervalEXT = (PFNGLXSWAPINTERVALEXTPROC)
_glfwPlatformGetProcAddress("glXSwapIntervalEXT");
if (_glfw.glx.SwapIntervalEXT)
_glfw.glx.EXT_swap_control = GL_TRUE;
}
if (_glfwPlatformExtensionSupported("GLX_SGI_swap_control"))
{
_glfw.glx.SwapIntervalSGI = (PFNGLXSWAPINTERVALSGIPROC)
_glfwPlatformGetProcAddress("glXSwapIntervalSGI");
if (_glfw.glx.SwapIntervalSGI)
_glfw.glx.SGI_swap_control = GL_TRUE;
}
if (_glfwPlatformExtensionSupported("GLX_MESA_swap_control"))
{
_glfw.glx.SwapIntervalMESA = (PFNGLXSWAPINTERVALMESAPROC)
_glfwPlatformGetProcAddress("glXSwapIntervalMESA");
if (_glfw.glx.SwapIntervalMESA)
_glfw.glx.MESA_swap_control = GL_TRUE;
}
if (_glfwPlatformExtensionSupported("GLX_SGIX_fbconfig"))
{
_glfw.glx.GetFBConfigAttribSGIX = (PFNGLXGETFBCONFIGATTRIBSGIXPROC)
_glfwPlatformGetProcAddress("glXGetFBConfigAttribSGIX");
_glfw.glx.ChooseFBConfigSGIX = (PFNGLXCHOOSEFBCONFIGSGIXPROC)
_glfwPlatformGetProcAddress("glXChooseFBConfigSGIX");
_glfw.glx.CreateContextWithConfigSGIX = (PFNGLXCREATECONTEXTWITHCONFIGSGIXPROC)
_glfwPlatformGetProcAddress("glXCreateContextWithConfigSGIX");
_glfw.glx.GetVisualFromFBConfigSGIX = (PFNGLXGETVISUALFROMFBCONFIGSGIXPROC)
_glfwPlatformGetProcAddress("glXGetVisualFromFBConfigSGIX");
if (_glfw.glx.GetFBConfigAttribSGIX &&
_glfw.glx.ChooseFBConfigSGIX &&
_glfw.glx.CreateContextWithConfigSGIX &&
_glfw.glx.GetVisualFromFBConfigSGIX)
{
_glfw.glx.SGIX_fbconfig = GL_TRUE;
}
}
if (_glfwPlatformExtensionSupported("GLX_ARB_multisample"))
_glfw.glx.ARB_multisample = GL_TRUE;
if (_glfwPlatformExtensionSupported("GLX_ARB_framebuffer_sRGB"))
_glfw.glx.ARB_framebuffer_sRGB = GL_TRUE;
if (_glfwPlatformExtensionSupported("GLX_ARB_create_context"))
{
_glfw.glx.CreateContextAttribsARB = (PFNGLXCREATECONTEXTATTRIBSARBPROC)
_glfwPlatformGetProcAddress("glXCreateContextAttribsARB");
if (_glfw.glx.CreateContextAttribsARB)
_glfw.glx.ARB_create_context = GL_TRUE;
}
if (_glfwPlatformExtensionSupported("GLX_ARB_create_context_robustness"))
_glfw.glx.ARB_create_context_robustness = GL_TRUE;
if (_glfwPlatformExtensionSupported("GLX_ARB_create_context_profile"))
_glfw.glx.ARB_create_context_profile = GL_TRUE;
if (_glfwPlatformExtensionSupported("GLX_EXT_create_context_es2_profile"))
_glfw.glx.EXT_create_context_es2_profile = GL_TRUE;
return GL_TRUE;
}
// Terminate GLX
//
void _glfwTerminateContextAPI(void)
{
// Unload libGL.so if necessary
#ifdef _GLFW_DLOPEN_LIBGL
if (_glfw.glx.libGL != NULL)
{
dlclose(_glfw.glx.libGL);
_glfw.glx.libGL = NULL;
}
#endif
pthread_key_delete(_glfw.glx.current);
}
#define setGLXattrib(attribName, attribValue) \
{ \
attribs[index++] = attribName; \
attribs[index++] = attribValue; \
assert((size_t) index < sizeof(attribs) / sizeof(attribs[0])); \
}
// Prepare for creation of the OpenGL context
//
int _glfwCreateContext(_GLFWwindow* window,
const _GLFWwndconfig* wndconfig,
const _GLFWfbconfig* fbconfig)
{
int attribs[40];
GLXFBConfig native;
GLXContext share = NULL;
if (wndconfig->share)
share = wndconfig->share->glx.context;
if (!chooseFBConfig(fbconfig, &native))
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"GLX: Failed to find a suitable GLXFBConfig");
return GL_FALSE;
}
// Retrieve the corresponding visual
if (_glfw.glx.SGIX_fbconfig)
{
window->glx.visual =
_glfw.glx.GetVisualFromFBConfigSGIX(_glfw.x11.display, native);
}
else
window->glx.visual = glXGetVisualFromFBConfig(_glfw.x11.display, native);
if (window->glx.visual == NULL)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"GLX: Failed to retrieve visual for GLXFBConfig");
return GL_FALSE;
}
if (wndconfig->clientAPI == GLFW_OPENGL_ES_API)
{
if (!_glfw.glx.ARB_create_context ||
!_glfw.glx.ARB_create_context_profile ||
!_glfw.glx.EXT_create_context_es2_profile)
{
_glfwInputError(GLFW_API_UNAVAILABLE,
"GLX: OpenGL ES requested but "
"GLX_EXT_create_context_es2_profile is unavailable");
return GL_FALSE;
}
}
if (wndconfig->glForward)
{
if (!_glfw.glx.ARB_create_context)
{
_glfwInputError(GLFW_VERSION_UNAVAILABLE,
"GLX: Forward compatibility requested but "
"GLX_ARB_create_context_profile is unavailable");
return GL_FALSE;
}
}
if (wndconfig->glProfile)
{
if (!_glfw.glx.ARB_create_context ||
!_glfw.glx.ARB_create_context_profile)
{
_glfwInputError(GLFW_VERSION_UNAVAILABLE,
"GLX: An OpenGL profile requested but "
"GLX_ARB_create_context_profile is unavailable");
return GL_FALSE;
}
}
_glfwGrabXErrorHandler();
if (_glfw.glx.ARB_create_context)
{
int index = 0, mask = 0, flags = 0, strategy = 0;
if (wndconfig->clientAPI == GLFW_OPENGL_API)
{
if (wndconfig->glForward)
flags |= GLX_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB;
if (wndconfig->glDebug)
flags |= GLX_CONTEXT_DEBUG_BIT_ARB;
if (wndconfig->glProfile)
{
if (wndconfig->glProfile == GLFW_OPENGL_CORE_PROFILE)
mask |= GLX_CONTEXT_CORE_PROFILE_BIT_ARB;
else if (wndconfig->glProfile == GLFW_OPENGL_COMPAT_PROFILE)
mask |= GLX_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB;
}
}
else
mask |= GLX_CONTEXT_ES2_PROFILE_BIT_EXT;
if (wndconfig->glRobustness != GLFW_NO_ROBUSTNESS)
{
if (_glfw.glx.ARB_create_context_robustness)
{
if (wndconfig->glRobustness == GLFW_NO_RESET_NOTIFICATION)
strategy = GLX_NO_RESET_NOTIFICATION_ARB;
else if (wndconfig->glRobustness == GLFW_LOSE_CONTEXT_ON_RESET)
strategy = GLX_LOSE_CONTEXT_ON_RESET_ARB;
flags |= GLX_CONTEXT_ROBUST_ACCESS_BIT_ARB;
}
}
if (wndconfig->glMajor != 1 || wndconfig->glMinor != 0)
{
// NOTE: Only request an explicitly versioned context when
// necessary, as explicitly requesting version 1.0 does not
// always return the highest available version
setGLXattrib(GLX_CONTEXT_MAJOR_VERSION_ARB, wndconfig->glMajor);
setGLXattrib(GLX_CONTEXT_MINOR_VERSION_ARB, wndconfig->glMinor);
}
if (mask)
setGLXattrib(GLX_CONTEXT_PROFILE_MASK_ARB, mask);
if (flags)
setGLXattrib(GLX_CONTEXT_FLAGS_ARB, flags);
if (strategy)
setGLXattrib(GLX_CONTEXT_RESET_NOTIFICATION_STRATEGY_ARB, strategy);
setGLXattrib(None, None);
window->glx.context =
_glfw.glx.CreateContextAttribsARB(_glfw.x11.display,
native,
share,
True,
attribs);
if (window->glx.context == NULL)
{
// HACK: This is a fallback for the broken Mesa implementation of
// GLX_ARB_create_context_profile, which fails default 1.0
// context creation with a GLXBadProfileARB error in violation
// of the extension spec
if (_glfw.x11.errorCode == _glfw.glx.errorBase + GLXBadProfileARB &&
wndconfig->clientAPI == GLFW_OPENGL_API &&
wndconfig->glProfile == GLFW_OPENGL_ANY_PROFILE &&
wndconfig->glForward == GL_FALSE)
{
window->glx.context = createLegacyContext(window, native, share);
}
}
}
else
window->glx.context = createLegacyContext(window, native, share);
_glfwReleaseXErrorHandler();
if (window->glx.context == NULL)
{
_glfwInputXError(GLFW_PLATFORM_ERROR, "GLX: Failed to create context");
return GL_FALSE;
}
return GL_TRUE;
}
#undef setGLXattrib
// Destroy the OpenGL context
//
void _glfwDestroyContext(_GLFWwindow* window)
{
if (window->glx.visual)
{
XFree(window->glx.visual);
window->glx.visual = NULL;
}
if (window->glx.context)
{
glXDestroyContext(_glfw.x11.display, window->glx.context);
window->glx.context = NULL;
}
}
//////////////////////////////////////////////////////////////////////////
////// GLFW platform API //////
//////////////////////////////////////////////////////////////////////////
void _glfwPlatformMakeContextCurrent(_GLFWwindow* window)
{
if (window)
{
glXMakeCurrent(_glfw.x11.display,
window->x11.handle,
window->glx.context);
}
else
glXMakeCurrent(_glfw.x11.display, None, NULL);
pthread_setspecific(_glfw.glx.current, window);
}
_GLFWwindow* _glfwPlatformGetCurrentContext(void)
{
return (_GLFWwindow*) pthread_getspecific(_glfw.glx.current);
}
void _glfwPlatformSwapBuffers(_GLFWwindow* window)
{
glXSwapBuffers(_glfw.x11.display, window->x11.handle);
}
void _glfwPlatformSwapInterval(int interval)
{
_GLFWwindow* window = _glfwPlatformGetCurrentContext();
if (_glfw.glx.EXT_swap_control)
{
_glfw.glx.SwapIntervalEXT(_glfw.x11.display,
window->x11.handle,
interval);
}
else if (_glfw.glx.MESA_swap_control)
_glfw.glx.SwapIntervalMESA(interval);
else if (_glfw.glx.SGI_swap_control)
{
if (interval > 0)
_glfw.glx.SwapIntervalSGI(interval);
}
}
int _glfwPlatformExtensionSupported(const char* extension)
{
const GLubyte* extensions;
// Get list of GLX extensions
extensions = (const GLubyte*) glXQueryExtensionsString(_glfw.x11.display,
_glfw.x11.screen);
if (extensions != NULL)
{
if (_glfwStringInExtensionString(extension, extensions))
return GL_TRUE;
}
return GL_FALSE;
}
GLFWglproc _glfwPlatformGetProcAddress(const char* procname)
{
return _glfw_glXGetProcAddress((const GLubyte*) procname);
}
//////////////////////////////////////////////////////////////////////////
////// GLFW native API //////
//////////////////////////////////////////////////////////////////////////
GLFWAPI GLXContext glfwGetGLXContext(GLFWwindow* handle)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
return window->glx.context;
}

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//========================================================================
// GLFW 3.0 GLX - www.glfw.org
//------------------------------------------------------------------------
// Copyright (c) 2002-2006 Marcus Geelnard
// Copyright (c) 2006-2010 Camilla Berglund <elmindreda@elmindreda.org>
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would
// be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such, and must not
// be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source
// distribution.
//
//========================================================================
#ifndef _glx_platform_h_
#define _glx_platform_h_
#define GLX_GLXEXT_LEGACY
#include <GL/glx.h>
// This path may need to be changed if you build GLFW using your own setup
// We ship and use our own copy of glxext.h since GLFW uses fairly new
// extensions and not all operating systems come with an up-to-date version
#include "../deps/GL/glxext.h"
// Do we have support for dlopen/dlsym?
#if defined(_GLFW_HAS_DLOPEN)
#include <dlfcn.h>
#endif
#include <pthread.h>
// We support four different ways for getting addresses for GL/GLX
// extension functions: glXGetProcAddress, glXGetProcAddressARB,
// glXGetProcAddressEXT, and dlsym
#if defined(_GLFW_HAS_GLXGETPROCADDRESSARB)
#define _glfw_glXGetProcAddress(x) glXGetProcAddressARB(x)
#elif defined(_GLFW_HAS_GLXGETPROCADDRESS)
#define _glfw_glXGetProcAddress(x) glXGetProcAddress(x)
#elif defined(_GLFW_HAS_GLXGETPROCADDRESSEXT)
#define _glfw_glXGetProcAddress(x) glXGetProcAddressEXT(x)
#elif defined(_GLFW_HAS_DLOPEN)
#define _glfw_glXGetProcAddress(x) dlsym(_glfw.glx.libGL, x)
#define _GLFW_DLOPEN_LIBGL
#else
#error "No OpenGL entry point retrieval mechanism was enabled"
#endif
#define _GLFW_PLATFORM_FBCONFIG GLXFBConfig glx
#define _GLFW_PLATFORM_CONTEXT_STATE _GLFWcontextGLX glx
#define _GLFW_PLATFORM_LIBRARY_OPENGL_STATE _GLFWlibraryGLX glx
#ifndef GLX_MESA_swap_control
typedef int (*PFNGLXSWAPINTERVALMESAPROC)(int);
#endif
//========================================================================
// GLFW platform specific types
//========================================================================
//------------------------------------------------------------------------
// Platform-specific OpenGL context structure
//------------------------------------------------------------------------
typedef struct _GLFWcontextGLX
{
GLXContext context; // OpenGL rendering context
XVisualInfo* visual; // Visual for selected GLXFBConfig
} _GLFWcontextGLX;
//------------------------------------------------------------------------
// Platform-specific library global data for GLX
//------------------------------------------------------------------------
typedef struct _GLFWlibraryGLX
{
// Server-side GLX version
int versionMajor, versionMinor;
int eventBase;
int errorBase;
// TLS key for per-thread current context/window
pthread_key_t current;
// GLX extensions
PFNGLXSWAPINTERVALSGIPROC SwapIntervalSGI;
PFNGLXSWAPINTERVALEXTPROC SwapIntervalEXT;
PFNGLXSWAPINTERVALMESAPROC SwapIntervalMESA;
PFNGLXGETFBCONFIGATTRIBSGIXPROC GetFBConfigAttribSGIX;
PFNGLXCHOOSEFBCONFIGSGIXPROC ChooseFBConfigSGIX;
PFNGLXCREATECONTEXTWITHCONFIGSGIXPROC CreateContextWithConfigSGIX;
PFNGLXGETVISUALFROMFBCONFIGSGIXPROC GetVisualFromFBConfigSGIX;
PFNGLXCREATECONTEXTATTRIBSARBPROC CreateContextAttribsARB;
GLboolean SGIX_fbconfig;
GLboolean SGI_swap_control;
GLboolean EXT_swap_control;
GLboolean MESA_swap_control;
GLboolean ARB_multisample;
GLboolean ARB_framebuffer_sRGB;
GLboolean ARB_create_context;
GLboolean ARB_create_context_profile;
GLboolean ARB_create_context_robustness;
GLboolean EXT_create_context_es2_profile;
#if defined(_GLFW_DLOPEN_LIBGL)
void* libGL; // dlopen handle for libGL.so
#endif
} _GLFWlibraryGLX;
#endif // _glx_platform_h_

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//========================================================================
// GLFW 3.0 - www.glfw.org
//------------------------------------------------------------------------
// Copyright (c) 2002-2006 Marcus Geelnard
// Copyright (c) 2006-2010 Camilla Berglund <elmindreda@elmindreda.org>
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would
// be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such, and must not
// be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source
// distribution.
//
//========================================================================
#include "internal.h"
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include <stdarg.h>
// Global state shared between compilation units of GLFW
// These are documented in internal.h
//
GLboolean _glfwInitialized = GL_FALSE;
_GLFWlibrary _glfw;
// The current error callback
// This is outside of _glfw so it can be initialized and usable before
// glfwInit is called, which lets that function report errors
//
static GLFWerrorfun _glfwErrorCallback = NULL;
// Returns a generic string representation of the specified error
//
static const char* getErrorString(int error)
{
switch (error)
{
case GLFW_NOT_INITIALIZED:
return "The GLFW library is not initialized";
case GLFW_NO_CURRENT_CONTEXT:
return "There is no current context";
case GLFW_INVALID_ENUM:
return "Invalid argument for enum parameter";
case GLFW_INVALID_VALUE:
return "Invalid value for parameter";
case GLFW_OUT_OF_MEMORY:
return "Out of memory";
case GLFW_API_UNAVAILABLE:
return "The requested client API is unavailable";
case GLFW_VERSION_UNAVAILABLE:
return "The requested client API version is unavailable";
case GLFW_PLATFORM_ERROR:
return "A platform-specific error occurred";
case GLFW_FORMAT_UNAVAILABLE:
return "The requested format is unavailable";
}
return "ERROR: UNKNOWN ERROR TOKEN PASSED TO glfwErrorString";
}
//////////////////////////////////////////////////////////////////////////
////// GLFW event API //////
//////////////////////////////////////////////////////////////////////////
void _glfwInputError(int error, const char* format, ...)
{
if (_glfwErrorCallback)
{
char buffer[16384];
const char* description;
if (format)
{
int count;
va_list vl;
va_start(vl, format);
count = vsnprintf(buffer, sizeof(buffer), format, vl);
va_end(vl);
if (count < 0)
buffer[sizeof(buffer) - 1] = '\0';
description = buffer;
}
else
description = getErrorString(error);
_glfwErrorCallback(error, description);
}
}
//////////////////////////////////////////////////////////////////////////
////// GLFW public API //////
//////////////////////////////////////////////////////////////////////////
GLFWAPI int glfwInit(void)
{
if (_glfwInitialized)
return GL_TRUE;
memset(&_glfw, 0, sizeof(_glfw));
if (!_glfwPlatformInit())
{
_glfwPlatformTerminate();
return GL_FALSE;
}
_glfw.monitors = _glfwPlatformGetMonitors(&_glfw.monitorCount);
if (_glfw.monitors == NULL)
{
_glfwInputError(GLFW_PLATFORM_ERROR, "No monitors found");
_glfwPlatformTerminate();
return GL_FALSE;
}
_glfwInitialized = GL_TRUE;
// Not all window hints have zero as their default value
glfwDefaultWindowHints();
return GL_TRUE;
}
GLFWAPI void glfwTerminate(void)
{
int i;
if (!_glfwInitialized)
return;
memset(&_glfw.callbacks, 0, sizeof(_glfw.callbacks));
// Close all remaining windows
while (_glfw.windowListHead)
glfwDestroyWindow((GLFWwindow*) _glfw.windowListHead);
for (i = 0; i < _glfw.monitorCount; i++)
{
_GLFWmonitor* monitor = _glfw.monitors[i];
if (monitor->originalRamp.size)
_glfwPlatformSetGammaRamp(monitor, &monitor->originalRamp);
}
_glfwDestroyMonitors(_glfw.monitors, _glfw.monitorCount);
_glfw.monitors = NULL;
_glfw.monitorCount = 0;
_glfwPlatformTerminate();
_glfwInitialized = GL_FALSE;
}
GLFWAPI void glfwGetVersion(int* major, int* minor, int* rev)
{
if (major != NULL)
*major = GLFW_VERSION_MAJOR;
if (minor != NULL)
*minor = GLFW_VERSION_MINOR;
if (rev != NULL)
*rev = GLFW_VERSION_REVISION;
}
GLFWAPI const char* glfwGetVersionString(void)
{
return _glfwPlatformGetVersionString();
}
GLFWAPI GLFWerrorfun glfwSetErrorCallback(GLFWerrorfun cbfun)
{
_GLFW_SWAP_POINTERS(_glfwErrorCallback, cbfun);
return cbfun;
}

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//========================================================================
// GLFW 3.0 - www.glfw.org
//------------------------------------------------------------------------
// Copyright (c) 2002-2006 Marcus Geelnard
// Copyright (c) 2006-2010 Camilla Berglund <elmindreda@elmindreda.org>
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would
// be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such, and must not
// be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source
// distribution.
//
//========================================================================
#include "internal.h"
// Internal key state used for sticky keys
#define _GLFW_STICK 3
// Sets the cursor mode for the specified window
//
static void setCursorMode(_GLFWwindow* window, int newMode)
{
const int oldMode = window->cursorMode;
if (newMode != GLFW_CURSOR_NORMAL &&
newMode != GLFW_CURSOR_HIDDEN &&
newMode != GLFW_CURSOR_DISABLED)
{
_glfwInputError(GLFW_INVALID_ENUM, NULL);
return;
}
if (oldMode == newMode)
return;
window->cursorMode = newMode;
if (window == _glfw.focusedWindow)
{
if (oldMode == GLFW_CURSOR_DISABLED)
{
window->cursorPosX = _glfw.cursorPosX;
window->cursorPosY = _glfw.cursorPosY;
_glfwPlatformSetCursorPos(window, _glfw.cursorPosX, _glfw.cursorPosY);
}
else if (newMode == GLFW_CURSOR_DISABLED)
{
int width, height;
_glfw.cursorPosX = window->cursorPosX;
_glfw.cursorPosY = window->cursorPosY;
_glfwPlatformGetWindowSize(window, &width, &height);
_glfwPlatformSetCursorPos(window, width / 2.0, height / 2.0);
}
_glfwPlatformSetCursorMode(window, newMode);
}
}
// Set sticky keys mode for the specified window
//
static void setStickyKeys(_GLFWwindow* window, int enabled)
{
if (window->stickyKeys == enabled)
return;
if (!enabled)
{
int i;
// Release all sticky keys
for (i = 0; i <= GLFW_KEY_LAST; i++)
{
if (window->key[i] == _GLFW_STICK)
window->key[i] = GLFW_RELEASE;
}
}
window->stickyKeys = enabled;
}
// Set sticky mouse buttons mode for the specified window
//
static void setStickyMouseButtons(_GLFWwindow* window, int enabled)
{
if (window->stickyMouseButtons == enabled)
return;
if (!enabled)
{
int i;
// Release all sticky mouse buttons
for (i = 0; i <= GLFW_MOUSE_BUTTON_LAST; i++)
{
if (window->mouseButton[i] == _GLFW_STICK)
window->mouseButton[i] = GLFW_RELEASE;
}
}
window->stickyMouseButtons = enabled;
}
//////////////////////////////////////////////////////////////////////////
////// GLFW event API //////
//////////////////////////////////////////////////////////////////////////
void _glfwInputKey(_GLFWwindow* window, int key, int scancode, int action, int mods)
{
GLboolean repeated = GL_FALSE;
if (action == GLFW_RELEASE && window->key[key] == GLFW_RELEASE)
return;
if (key >= 0 && key <= GLFW_KEY_LAST)
{
if (action == GLFW_PRESS && window->key[key] == GLFW_PRESS)
repeated = GL_TRUE;
if (action == GLFW_RELEASE && window->stickyKeys)
window->key[key] = _GLFW_STICK;
else
window->key[key] = (char) action;
}
if (repeated)
action = GLFW_REPEAT;
if (window->callbacks.key)
window->callbacks.key((GLFWwindow*) window, key, scancode, action, mods);
}
void _glfwInputChar(_GLFWwindow* window, unsigned int codepoint)
{
if (codepoint < 32 || (codepoint > 126 && codepoint < 160))
return;
if (window->callbacks.character)
window->callbacks.character((GLFWwindow*) window, codepoint);
}
void _glfwInputScroll(_GLFWwindow* window, double xoffset, double yoffset)
{
if (window->callbacks.scroll)
window->callbacks.scroll((GLFWwindow*) window, xoffset, yoffset);
}
void _glfwInputMouseClick(_GLFWwindow* window, int button, int action, int mods)
{
if (button < 0 || button > GLFW_MOUSE_BUTTON_LAST)
return;
// Register mouse button action
if (action == GLFW_RELEASE && window->stickyMouseButtons)
window->mouseButton[button] = _GLFW_STICK;
else
window->mouseButton[button] = (char) action;
if (window->callbacks.mouseButton)
window->callbacks.mouseButton((GLFWwindow*) window, button, action, mods);
}
void _glfwInputCursorMotion(_GLFWwindow* window, double x, double y)
{
if (window->cursorMode == GLFW_CURSOR_DISABLED)
{
if (x == 0.0 && y == 0.0)
return;
window->cursorPosX += x;
window->cursorPosY += y;
}
else
{
if (window->cursorPosX == x && window->cursorPosY == y)
return;
window->cursorPosX = x;
window->cursorPosY = y;
}
if (window->callbacks.cursorPos)
{
window->callbacks.cursorPos((GLFWwindow*) window,
window->cursorPosX,
window->cursorPosY);
}
}
void _glfwInputCursorEnter(_GLFWwindow* window, int entered)
{
if (window->callbacks.cursorEnter)
window->callbacks.cursorEnter((GLFWwindow*) window, entered);
}
//////////////////////////////////////////////////////////////////////////
////// GLFW public API //////
//////////////////////////////////////////////////////////////////////////
GLFWAPI int glfwGetInputMode(GLFWwindow* handle, int mode)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
_GLFW_REQUIRE_INIT_OR_RETURN(0);
switch (mode)
{
case GLFW_CURSOR:
return window->cursorMode;
case GLFW_STICKY_KEYS:
return window->stickyKeys;
case GLFW_STICKY_MOUSE_BUTTONS:
return window->stickyMouseButtons;
default:
_glfwInputError(GLFW_INVALID_ENUM, NULL);
return 0;
}
}
GLFWAPI void glfwSetInputMode(GLFWwindow* handle, int mode, int value)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
_GLFW_REQUIRE_INIT();
switch (mode)
{
case GLFW_CURSOR:
setCursorMode(window, value);
break;
case GLFW_STICKY_KEYS:
setStickyKeys(window, value ? GL_TRUE : GL_FALSE);
break;
case GLFW_STICKY_MOUSE_BUTTONS:
setStickyMouseButtons(window, value ? GL_TRUE : GL_FALSE);
break;
default:
_glfwInputError(GLFW_INVALID_ENUM, NULL);
break;
}
}
GLFWAPI int glfwGetKey(GLFWwindow* handle, int key)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
_GLFW_REQUIRE_INIT_OR_RETURN(GLFW_RELEASE);
if (key < 0 || key > GLFW_KEY_LAST)
{
_glfwInputError(GLFW_INVALID_ENUM, "The specified key is invalid");
return GLFW_RELEASE;
}
if (window->key[key] == _GLFW_STICK)
{
// Sticky mode: release key now
window->key[key] = GLFW_RELEASE;
return GLFW_PRESS;
}
return (int) window->key[key];
}
GLFWAPI int glfwGetMouseButton(GLFWwindow* handle, int button)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
_GLFW_REQUIRE_INIT_OR_RETURN(GLFW_RELEASE);
if (button < 0 || button > GLFW_MOUSE_BUTTON_LAST)
{
_glfwInputError(GLFW_INVALID_ENUM,
"The specified mouse button is invalid");
return GLFW_RELEASE;
}
if (window->mouseButton[button] == _GLFW_STICK)
{
// Sticky mode: release mouse button now
window->mouseButton[button] = GLFW_RELEASE;
return GLFW_PRESS;
}
return (int) window->mouseButton[button];
}
GLFWAPI void glfwGetCursorPos(GLFWwindow* handle, double* xpos, double* ypos)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
_GLFW_REQUIRE_INIT();
if (xpos)
*xpos = window->cursorPosX;
if (ypos)
*ypos = window->cursorPosY;
}
GLFWAPI void glfwSetCursorPos(GLFWwindow* handle, double xpos, double ypos)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
_GLFW_REQUIRE_INIT();
if (_glfw.focusedWindow != window)
return;
// Don't do anything if the cursor position did not change
if (xpos == window->cursorPosX && ypos == window->cursorPosY)
return;
// Set GLFW cursor position
window->cursorPosX = xpos;
window->cursorPosY = ypos;
// Do not move physical cursor if it is disabled
if (window->cursorMode == GLFW_CURSOR_DISABLED)
return;
// Update physical cursor position
_glfwPlatformSetCursorPos(window, xpos, ypos);
}
GLFWAPI GLFWkeyfun glfwSetKeyCallback(GLFWwindow* handle, GLFWkeyfun cbfun)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
_GLFW_SWAP_POINTERS(window->callbacks.key, cbfun);
return cbfun;
}
GLFWAPI GLFWcharfun glfwSetCharCallback(GLFWwindow* handle, GLFWcharfun cbfun)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
_GLFW_SWAP_POINTERS(window->callbacks.character, cbfun);
return cbfun;
}
GLFWAPI GLFWmousebuttonfun glfwSetMouseButtonCallback(GLFWwindow* handle,
GLFWmousebuttonfun cbfun)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
_GLFW_SWAP_POINTERS(window->callbacks.mouseButton, cbfun);
return cbfun;
}
GLFWAPI GLFWcursorposfun glfwSetCursorPosCallback(GLFWwindow* handle,
GLFWcursorposfun cbfun)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
_GLFW_SWAP_POINTERS(window->callbacks.cursorPos, cbfun);
return cbfun;
}
GLFWAPI GLFWcursorenterfun glfwSetCursorEnterCallback(GLFWwindow* handle,
GLFWcursorenterfun cbfun)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
_GLFW_SWAP_POINTERS(window->callbacks.cursorEnter, cbfun);
return cbfun;
}
GLFWAPI GLFWscrollfun glfwSetScrollCallback(GLFWwindow* handle,
GLFWscrollfun cbfun)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
_GLFW_SWAP_POINTERS(window->callbacks.scroll, cbfun);
return cbfun;
}

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//========================================================================
// GLFW 3.0 - www.glfw.org
//------------------------------------------------------------------------
// Copyright (c) 2002-2006 Marcus Geelnard
// Copyright (c) 2006-2010 Camilla Berglund <elmindreda@elmindreda.org>
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would
// be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such, and must not
// be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source
// distribution.
//
//========================================================================
#ifndef _internal_h_
#define _internal_h_
#if defined(_GLFW_USE_CONFIG_H)
#include "glfw_config.h"
#endif
#define _GLFW_VERSION_NUMBER "3.0.4"
#if defined(_GLFW_USE_OPENGL)
// This is the default for glfw3.h
#elif defined(_GLFW_USE_GLESV1)
#define GLFW_INCLUDE_ES1
#elif defined(_GLFW_USE_GLESV2)
#define GLFW_INCLUDE_ES2
#else
#error "No supported client library selected"
#endif
// Disable the inclusion of the platform glext.h by gl.h to allow proper
// inclusion of our own, newer glext.h below
#define GL_GLEXT_LEGACY
#include "../include/GLFW/glfw3.h"
#if defined(_GLFW_USE_OPENGL)
// This path may need to be changed if you build GLFW using your own setup
// GLFW comes with its own copy of glext.h since it uses fairly new extensions
// and not all development environments come with an up-to-date version
#include "../deps/GL/glext.h"
#endif
typedef struct _GLFWhints _GLFWhints;
typedef struct _GLFWwndconfig _GLFWwndconfig;
typedef struct _GLFWfbconfig _GLFWfbconfig;
typedef struct _GLFWwindow _GLFWwindow;
typedef struct _GLFWlibrary _GLFWlibrary;
typedef struct _GLFWmonitor _GLFWmonitor;
#if defined(_GLFW_COCOA)
#include "cocoa_platform.h"
#elif defined(_GLFW_WIN32)
#include "win32_platform.h"
#elif defined(_GLFW_X11)
#include "x11_platform.h"
#else
#error "No supported window creation API selected"
#endif
//========================================================================
// Doxygen group definitions
//========================================================================
/*! @defgroup platform Platform interface
* @brief The interface implemented by the platform-specific code.
*
* The platform API is the interface exposed by the platform-specific code for
* each platform and is called by the shared code of the public API It mirrors
* the public API except it uses objects instead of handles.
*/
/*! @defgroup event Event interface
* @brief The interface used by the platform-specific code to report events.
*
* The event API is used by the platform-specific code to notify the shared
* code of events that can be translated into state changes and/or callback
* calls.
*/
/*! @defgroup utility Utility functions
* @brief Various utility functions for internal use.
*
* These functions are shared code and may be used by any part of GLFW
* Each platform may add its own utility functions, but those may only be
* called by the platform-specific code
*/
//========================================================================
// Helper macros
//========================================================================
// Checks for whether the library has been intitalized
#define _GLFW_REQUIRE_INIT() \
if (!_glfwInitialized) \
{ \
_glfwInputError(GLFW_NOT_INITIALIZED, NULL); \
return; \
}
#define _GLFW_REQUIRE_INIT_OR_RETURN(x) \
if (!_glfwInitialized) \
{ \
_glfwInputError(GLFW_NOT_INITIALIZED, NULL); \
return x; \
}
// Swaps the provided pointers
#define _GLFW_SWAP_POINTERS(x, y) \
{ \
void* t; \
t = x; \
x = y; \
y = t; \
}
//========================================================================
// Internal types
//========================================================================
/*! @brief Window and context configuration.
*
* Parameters relating to the creation of the context and window but not
* directly related to the framebuffer. This is used to pass window and
* context creation parameters from shared code to the platform API.
*/
struct _GLFWwndconfig
{
int width;
int height;
const char* title;
GLboolean resizable;
GLboolean visible;
GLboolean decorated;
int clientAPI;
int glMajor;
int glMinor;
GLboolean glForward;
GLboolean glDebug;
int glProfile;
int glRobustness;
_GLFWmonitor* monitor;
_GLFWwindow* share;
};
/*! @brief Framebuffer configuration.
*
* This describes buffers and their sizes. It also contains
* a platform-specific ID used to map back to the backend API's object.
*
* It is used to pass framebuffer parameters from shared code to the platform
* API and also to enumerate and select available framebuffer configs.
*/
struct _GLFWfbconfig
{
int redBits;
int greenBits;
int blueBits;
int alphaBits;
int depthBits;
int stencilBits;
int accumRedBits;
int accumGreenBits;
int accumBlueBits;
int accumAlphaBits;
int auxBuffers;
GLboolean stereo;
int samples;
GLboolean sRGB;
// This is defined in the context API's platform.h
_GLFW_PLATFORM_FBCONFIG;
};
/*! @brief Window and context structure.
*/
struct _GLFWwindow
{
struct _GLFWwindow* next;
// Window settings and state
GLboolean iconified;
GLboolean resizable;
GLboolean decorated;
GLboolean visible;
GLboolean closed;
void* userPointer;
GLFWvidmode videoMode;
_GLFWmonitor* monitor;
// Window input state
GLboolean stickyKeys;
GLboolean stickyMouseButtons;
double cursorPosX, cursorPosY;
int cursorMode;
char mouseButton[GLFW_MOUSE_BUTTON_LAST + 1];
char key[GLFW_KEY_LAST + 1];
// OpenGL extensions and context attributes
int clientAPI;
int glMajor, glMinor, glRevision;
GLboolean glForward, glDebug;
int glProfile;
int glRobustness;
#if defined(_GLFW_USE_OPENGL)
PFNGLGETSTRINGIPROC GetStringi;
#endif
struct {
GLFWwindowposfun pos;
GLFWwindowsizefun size;
GLFWwindowclosefun close;
GLFWwindowrefreshfun refresh;
GLFWwindowfocusfun focus;
GLFWwindowiconifyfun iconify;
GLFWframebuffersizefun fbsize;
GLFWmousebuttonfun mouseButton;
GLFWcursorposfun cursorPos;
GLFWcursorenterfun cursorEnter;
GLFWscrollfun scroll;
GLFWkeyfun key;
GLFWcharfun character;
} callbacks;
// This is defined in the window API's platform.h
_GLFW_PLATFORM_WINDOW_STATE;
// This is defined in the context API's platform.h
_GLFW_PLATFORM_CONTEXT_STATE;
};
/*! @brief Monitor structure.
*/
struct _GLFWmonitor
{
char* name;
// Physical dimensions in millimeters.
int widthMM, heightMM;
GLFWvidmode* modes;
int modeCount;
GLFWvidmode currentMode;
GLFWgammaramp originalRamp;
GLFWgammaramp currentRamp;
// This is defined in the window API's platform.h
_GLFW_PLATFORM_MONITOR_STATE;
};
/*! @brief Library global data.
*/
struct _GLFWlibrary
{
struct {
int redBits;
int greenBits;
int blueBits;
int alphaBits;
int depthBits;
int stencilBits;
int accumRedBits;
int accumGreenBits;
int accumBlueBits;
int accumAlphaBits;
int auxBuffers;
GLboolean stereo;
GLboolean resizable;
GLboolean visible;
GLboolean decorated;
int samples;
GLboolean sRGB;
int refreshRate;
int clientAPI;
int glMajor;
int glMinor;
GLboolean glForward;
GLboolean glDebug;
int glProfile;
int glRobustness;
} hints;
double cursorPosX, cursorPosY;
_GLFWwindow* windowListHead;
_GLFWwindow* focusedWindow;
_GLFWmonitor** monitors;
int monitorCount;
struct {
GLFWmonitorfun monitor;
} callbacks;
// This is defined in the window API's platform.h
_GLFW_PLATFORM_LIBRARY_WINDOW_STATE;
// This is defined in the context API's platform.h
_GLFW_PLATFORM_LIBRARY_OPENGL_STATE;
};
//========================================================================
// Global state shared between compilation units of GLFW
//========================================================================
/*! @brief Flag indicating whether GLFW has been successfully initialized.
*/
extern GLboolean _glfwInitialized;
/*! @brief All global data protected by @ref _glfwInitialized.
* This should only be touched after a call to @ref glfwInit that has not been
* followed by a call to @ref glfwTerminate.
*/
extern _GLFWlibrary _glfw;
//========================================================================
// Platform API functions
//========================================================================
/*! @brief Initializes the platform-specific part of the library.
* @return `GL_TRUE` if successful, or `GL_FALSE` if an error occurred.
* @ingroup platform
*/
int _glfwPlatformInit(void);
/*! @brief Terminates the platform-specific part of the library.
* @ingroup platform
*/
void _glfwPlatformTerminate(void);
/*! @copydoc glfwGetVersionString
* @ingroup platform
*
* @note The returned string must be available for the duration of the program.
*
* @note The returned string must not change for the duration of the program.
*/
const char* _glfwPlatformGetVersionString(void);
/*! @copydoc glfwSetCursorPos
* @ingroup platform
*/
void _glfwPlatformSetCursorPos(_GLFWwindow* window, double xpos, double ypos);
/*! @brief Sets up the specified cursor mode for the specified window.
* @param[in] window The window whose cursor mode to change.
* @param[in] mode The desired cursor mode.
* @ingroup platform
*/
void _glfwPlatformSetCursorMode(_GLFWwindow* window, int mode);
/*! @copydoc glfwGetMonitors
* @ingroup platform
*/
_GLFWmonitor** _glfwPlatformGetMonitors(int* count);
/*! @brief Checks whether two monitor objects represent the same monitor.
*
* @param[in] first The first monitor.
* @param[in] second The second monitor.
* @return @c GL_TRUE if the monitor objects represent the same monitor, or @c
* GL_FALSE otherwise.
* @ingroup platform
*/
GLboolean _glfwPlatformIsSameMonitor(_GLFWmonitor* first, _GLFWmonitor* second);
/*! @copydoc glfwGetMonitorPos
* @ingroup platform
*/
void _glfwPlatformGetMonitorPos(_GLFWmonitor* monitor, int* xpos, int* ypos);
/*! @copydoc glfwGetVideoModes
* @ingroup platform
*/
GLFWvidmode* _glfwPlatformGetVideoModes(_GLFWmonitor* monitor, int* count);
/*! @ingroup platform
*/
void _glfwPlatformGetVideoMode(_GLFWmonitor* monitor, GLFWvidmode* mode);
/*! @copydoc glfwGetGammaRamp
* @ingroup platform
*/
void _glfwPlatformGetGammaRamp(_GLFWmonitor* monitor, GLFWgammaramp* ramp);
/*! @copydoc glfwSetGammaRamp
* @ingroup platform
*/
void _glfwPlatformSetGammaRamp(_GLFWmonitor* monitor, const GLFWgammaramp* ramp);
/*! @copydoc glfwSetClipboardString
* @ingroup platform
*/
void _glfwPlatformSetClipboardString(_GLFWwindow* window, const char* string);
/*! @copydoc glfwGetClipboardString
* @ingroup platform
*
* @note The returned string must be valid until the next call to @ref
* _glfwPlatformGetClipboardString or @ref _glfwPlatformSetClipboardString.
*/
const char* _glfwPlatformGetClipboardString(_GLFWwindow* window);
/*! @copydoc glfwJoystickPresent
* @ingroup platform
*/
int _glfwPlatformJoystickPresent(int joy);
/*! @copydoc glfwGetJoystickAxes
* @ingroup platform
*/
const float* _glfwPlatformGetJoystickAxes(int joy, int* count);
/*! @copydoc glfwGetJoystickButtons
* @ingroup platform
*/
const unsigned char* _glfwPlatformGetJoystickButtons(int joy, int* count);
/*! @copydoc glfwGetJoystickName
* @ingroup platform
*/
const char* _glfwPlatformGetJoystickName(int joy);
/*! @copydoc glfwGetTime
* @ingroup platform
*/
double _glfwPlatformGetTime(void);
/*! @copydoc glfwSetTime
* @ingroup platform
*/
void _glfwPlatformSetTime(double time);
/*! @ingroup platform
*/
int _glfwPlatformCreateWindow(_GLFWwindow* window,
const _GLFWwndconfig* wndconfig,
const _GLFWfbconfig* fbconfig);
/*! @ingroup platform
*/
void _glfwPlatformDestroyWindow(_GLFWwindow* window);
/*! @copydoc glfwSetWindowTitle
* @ingroup platform
*/
void _glfwPlatformSetWindowTitle(_GLFWwindow* window, const char* title);
/*! @copydoc glfwGetWindowPos
* @ingroup platform
*/
void _glfwPlatformGetWindowPos(_GLFWwindow* window, int* xpos, int* ypos);
/*! @copydoc glfwSetWindowPos
* @ingroup platform
*/
void _glfwPlatformSetWindowPos(_GLFWwindow* window, int xpos, int ypos);
/*! @copydoc glfwGetWindowSize
* @ingroup platform
*/
void _glfwPlatformGetWindowSize(_GLFWwindow* window, int* width, int* height);
/*! @copydoc glfwSetWindowSize
* @ingroup platform
*/
void _glfwPlatformSetWindowSize(_GLFWwindow* window, int width, int height);
/*! @copydoc glfwGetFramebufferSize
* @ingroup platform
*/
void _glfwPlatformGetFramebufferSize(_GLFWwindow* window, int* width, int* height);
/*! @copydoc glfwIconifyWindow
* @ingroup platform
*/
void _glfwPlatformIconifyWindow(_GLFWwindow* window);
/*! @copydoc glfwRestoreWindow
* @ingroup platform
*/
void _glfwPlatformRestoreWindow(_GLFWwindow* window);
/*! @copydoc glfwShowWindow
* @ingroup platform
*/
void _glfwPlatformShowWindow(_GLFWwindow* window);
/*! @copydoc glfwHideWindow
* @ingroup platform
*/
void _glfwPlatformHideWindow(_GLFWwindow* window);
/*! @copydoc glfwPollEvents
* @ingroup platform
*/
void _glfwPlatformPollEvents(void);
/*! @copydoc glfwWaitEvents
* @ingroup platform
*/
void _glfwPlatformWaitEvents(void);
/*! @copydoc glfwMakeContextCurrent
* @ingroup platform
*/
void _glfwPlatformMakeContextCurrent(_GLFWwindow* window);
/*! @copydoc glfwGetCurrentContext
* @ingroup platform
*/
_GLFWwindow* _glfwPlatformGetCurrentContext(void);
/*! @copydoc glfwSwapBuffers
* @ingroup platform
*/
void _glfwPlatformSwapBuffers(_GLFWwindow* window);
/*! @copydoc glfwSwapInterval
* @ingroup platform
*/
void _glfwPlatformSwapInterval(int interval);
/*! @ingroup platform
*/
int _glfwPlatformExtensionSupported(const char* extension);
/*! @copydoc glfwGetProcAddress
* @ingroup platform
*/
GLFWglproc _glfwPlatformGetProcAddress(const char* procname);
//========================================================================
// Event API functions
//========================================================================
/*! @brief Notifies shared code of a window focus event.
* @param[in] window The window that received the event.
* @param[in] focused `GL_TRUE` if the window received focus, or `GL_FALSE`
* if it lost focus.
* @ingroup event
*/
void _glfwInputWindowFocus(_GLFWwindow* window, GLboolean focused);
/*! @brief Notifies shared code of a window movement event.
* @param[in] window The window that received the event.
* @param[in] xpos The new x-coordinate of the client area of the window.
* @param[in] ypos The new y-coordinate of the client area of the window.
* @ingroup event
*/
void _glfwInputWindowPos(_GLFWwindow* window, int xpos, int ypos);
/*! @brief Notifies shared code of a window resize event.
* @param[in] window The window that received the event.
* @param[in] width The new width of the client area of the window.
* @param[in] height The new height of the client area of the window.
* @ingroup event
*/
void _glfwInputWindowSize(_GLFWwindow* window, int width, int height);
/*! @brief Notifies shared code of a framebuffer resize event.
* @param[in] window The window that received the event.
* @param[in] width The new width, in pixels, of the framebuffer.
* @param[in] height The new height, in pixels, of the framebuffer.
* @ingroup event
*/
void _glfwInputFramebufferSize(_GLFWwindow* window, int width, int height);
/*! @brief Notifies shared code of a window iconification event.
* @param[in] window The window that received the event.
* @param[in] iconified `GL_TRUE` if the window was iconified, or `GL_FALSE`
* if it was restored.
* @ingroup event
*/
void _glfwInputWindowIconify(_GLFWwindow* window, int iconified);
/*! @brief Notifies shared code of a window show/hide event.
* @param[in] window The window that received the event.
* @param[in] visible `GL_TRUE` if the window was shown, or `GL_FALSE` if it
* was hidden.
* @ingroup event
*/
void _glfwInputWindowVisibility(_GLFWwindow* window, int visible);
/*! @brief Notifies shared code of a window damage event.
* @param[in] window The window that received the event.
*/
void _glfwInputWindowDamage(_GLFWwindow* window);
/*! @brief Notifies shared code of a window close request event
* @param[in] window The window that received the event.
* @ingroup event
*/
void _glfwInputWindowCloseRequest(_GLFWwindow* window);
/*! @brief Notifies shared code of a physical key event.
* @param[in] window The window that received the event.
* @param[in] key The key that was pressed or released.
* @param[in] scancode The system-specific scan code of the key.
* @param[in] action @ref GLFW_PRESS or @ref GLFW_RELEASE.
* @param[in] mods The modifiers pressed when the event was generated.
* @ingroup event
*/
void _glfwInputKey(_GLFWwindow* window, int key, int scancode, int action, int mods);
/*! @brief Notifies shared code of a Unicode character input event.
* @param[in] window The window that received the event.
* @param[in] codepoint The Unicode code point of the input character.
* @ingroup event
*/
void _glfwInputChar(_GLFWwindow* window, unsigned int codepoint);
/*! @brief Notifies shared code of a scroll event.
* @param[in] window The window that received the event.
* @param[in] x The scroll offset along the x-axis.
* @param[in] y The scroll offset along the y-axis.
* @ingroup event
*/
void _glfwInputScroll(_GLFWwindow* window, double x, double y);
/*! @brief Notifies shared code of a mouse button click event.
* @param[in] window The window that received the event.
* @param[in] button The button that was pressed or released.
* @param[in] action @ref GLFW_PRESS or @ref GLFW_RELEASE.
* @ingroup event
*/
void _glfwInputMouseClick(_GLFWwindow* window, int button, int action, int mods);
/*! @brief Notifies shared code of a cursor motion event.
* @param[in] window The window that received the event.
* @param[in] x The new x-coordinate of the cursor, relative to the left edge
* of the client area of the window.
* @param[in] y The new y-coordinate of the cursor, relative to the top edge
* of the client area of the window.
* @ingroup event
*/
void _glfwInputCursorMotion(_GLFWwindow* window, double x, double y);
/*! @brief Notifies shared code of a cursor enter/leave event.
* @param[in] window The window that received the event.
* @param[in] entered `GL_TRUE` if the cursor entered the client area of the
* window, or `GL_FALSE` if it left it.
* @ingroup event
*/
void _glfwInputCursorEnter(_GLFWwindow* window, int entered);
/*! @ingroup event
*/
void _glfwInputMonitorChange(void);
/*! @brief Notifies shared code of an error.
* @param[in] error The error code most suitable for the error.
* @param[in] format The `printf` style format string of the error
* description.
* @ingroup event
*/
void _glfwInputError(int error, const char* format, ...);
//========================================================================
// Utility functions
//========================================================================
/*! @ingroup utility
*/
const GLFWvidmode* _glfwChooseVideoMode(_GLFWmonitor* monitor,
const GLFWvidmode* desired);
/*! @brief Performs lexical comparison between two @ref GLFWvidmode structures.
* @ingroup utility
*/
int _glfwCompareVideoModes(const GLFWvidmode* first, const GLFWvidmode* second);
/*! @brief Splits a color depth into red, green and blue bit depths.
* @ingroup utility
*/
void _glfwSplitBPP(int bpp, int* red, int* green, int* blue);
/*! @brief Searches an extension string for the specified extension.
* @param[in] string The extension string to search.
* @param[in] extensions The extension to search for.
* @return `GL_TRUE` if the extension was found, or `GL_FALSE` otherwise.
* @ingroup utility
*/
int _glfwStringInExtensionString(const char* string, const GLubyte* extensions);
/*! @brief Chooses the framebuffer config that best matches the desired one.
* @param[in] desired The desired framebuffer config.
* @param[in] alternatives The framebuffer configs supported by the system.
* @param[in] count The number of entries in the alternatives array.
* @return The framebuffer config most closely matching the desired one, or @c
* NULL if none fulfilled the hard constraints of the desired values.
* @ingroup utility
*/
const _GLFWfbconfig* _glfwChooseFBConfig(const _GLFWfbconfig* desired,
const _GLFWfbconfig* alternatives,
unsigned int count);
/*! @brief Retrieves the attributes of the current context.
* @return `GL_TRUE` if successful, or `GL_FALSE` if the context is unusable.
* @ingroup utility
*/
GLboolean _glfwRefreshContextAttribs(void);
/*! @brief Checks whether the desired context attributes are valid.
* @param[in] wndconfig The context attributes to check.
* @return `GL_TRUE` if the context attributes are valid, or `GL_FALSE`
* otherwise.
* @ingroup utility
*
* This function checks things like whether the specified client API version
* exists and whether all relevant options have supported and non-conflicting
* values.
*/
GLboolean _glfwIsValidContextConfig(_GLFWwndconfig* wndconfig);
/*! @brief Checks whether the current context fulfils the specified hard
* constraints.
* @param[in] wndconfig The desired context attributes.
* @return `GL_TRUE` if the context fulfils the hard constraints, or `GL_FALSE`
* otherwise.
* @ingroup utility
*/
GLboolean _glfwIsValidContext(_GLFWwndconfig* wndconfig);
/*! @ingroup utility
*/
void _glfwAllocGammaArrays(GLFWgammaramp* ramp, unsigned int size);
/*! @ingroup utility
*/
void _glfwFreeGammaArrays(GLFWgammaramp* ramp);
/*! @brief Allocates and returns a monitor object with the specified name
* and dimensions.
* @param[in] name The name of the monitor.
* @param[in] widthMM The width, in mm, of the monitor's display area.
* @param[in] heightMM The height, in mm, of the monitor's display area.
* @return The newly created object.
* @ingroup utility
*/
_GLFWmonitor* _glfwCreateMonitor(const char* name, int widthMM, int heightMM);
/*! @brief Frees a monitor object and any data associated with it.
* @ingroup utility
*/
void _glfwDestroyMonitor(_GLFWmonitor* monitor);
/*! @ingroup utility
*/
void _glfwDestroyMonitors(_GLFWmonitor** monitors, int count);
#endif // _internal_h_

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//========================================================================
// GLFW 3.0 - www.glfw.org
//------------------------------------------------------------------------
// Copyright (c) 2002-2006 Marcus Geelnard
// Copyright (c) 2006-2010 Camilla Berglund <elmindreda@elmindreda.org>
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would
// be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such, and must not
// be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source
// distribution.
//
//========================================================================
#include "internal.h"
//////////////////////////////////////////////////////////////////////////
////// GLFW public API //////
//////////////////////////////////////////////////////////////////////////
GLFWAPI int glfwJoystickPresent(int joy)
{
_GLFW_REQUIRE_INIT_OR_RETURN(0);
if (joy < 0 || joy > GLFW_JOYSTICK_LAST)
{
_glfwInputError(GLFW_INVALID_ENUM, NULL);
return 0;
}
return _glfwPlatformJoystickPresent(joy);
}
GLFWAPI const float* glfwGetJoystickAxes(int joy, int* count)
{
*count = 0;
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
if (joy < 0 || joy > GLFW_JOYSTICK_LAST)
{
_glfwInputError(GLFW_INVALID_ENUM, NULL);
return NULL;
}
return _glfwPlatformGetJoystickAxes(joy, count);
}
GLFWAPI const unsigned char* glfwGetJoystickButtons(int joy, int* count)
{
*count = 0;
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
if (joy < 0 || joy > GLFW_JOYSTICK_LAST)
{
_glfwInputError(GLFW_INVALID_ENUM, NULL);
return NULL;
}
return _glfwPlatformGetJoystickButtons(joy, count);
}
GLFWAPI const char* glfwGetJoystickName(int joy)
{
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
if (joy < 0 || joy > GLFW_JOYSTICK_LAST)
{
_glfwInputError(GLFW_INVALID_ENUM, NULL);
return NULL;
}
return _glfwPlatformGetJoystickName(joy);
}

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//========================================================================
// GLFW 3.0 - www.glfw.org
//------------------------------------------------------------------------
// Copyright (c) 2002-2006 Marcus Geelnard
// Copyright (c) 2006-2010 Camilla Berglund <elmindreda@elmindreda.org>
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would
// be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such, and must not
// be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source
// distribution.
//
//========================================================================
#include "internal.h"
#include <string.h>
#include <stdlib.h>
#include <limits.h>
#if defined(_MSC_VER)
#include <malloc.h>
#define strdup _strdup
#endif
// Lexical comparison function for GLFW video modes, used by qsort
//
static int compareVideoModes(const void* firstPtr, const void* secondPtr)
{
int firstBPP, secondBPP, firstSize, secondSize;
GLFWvidmode* first = (GLFWvidmode*) firstPtr;
GLFWvidmode* second = (GLFWvidmode*) secondPtr;
// First sort on color bits per pixel
firstBPP = first->redBits +
first->greenBits +
first->blueBits;
secondBPP = second->redBits +
second->greenBits +
second->blueBits;
if (firstBPP != secondBPP)
return firstBPP - secondBPP;
// Then sort on screen area, in pixels
firstSize = first->width * first->height;
secondSize = second->width * second->height;
if (firstSize != secondSize)
return firstSize - secondSize;
// Lastly sort on refresh rate
return first->refreshRate - second->refreshRate;
}
// Retrieves the available modes for the specified monitor
//
static int refreshVideoModes(_GLFWmonitor* monitor)
{
int modeCount;
GLFWvidmode* modes;
if (monitor->modes)
return GL_TRUE;
modes = _glfwPlatformGetVideoModes(monitor, &modeCount);
if (!modes)
return GL_FALSE;
qsort(modes, modeCount, sizeof(GLFWvidmode), compareVideoModes);
free(monitor->modes);
monitor->modes = modes;
monitor->modeCount = modeCount;
return GL_TRUE;
}
//////////////////////////////////////////////////////////////////////////
////// GLFW event API //////
//////////////////////////////////////////////////////////////////////////
void _glfwInputMonitorChange(void)
{
int i, j, monitorCount = _glfw.monitorCount;
_GLFWmonitor** monitors = _glfw.monitors;
_glfw.monitors = _glfwPlatformGetMonitors(&_glfw.monitorCount);
// Re-use still connected monitor objects
for (i = 0; i < _glfw.monitorCount; i++)
{
for (j = 0; j < monitorCount; j++)
{
if (_glfwPlatformIsSameMonitor(_glfw.monitors[i], monitors[j]))
{
_glfwDestroyMonitor(_glfw.monitors[i]);
_glfw.monitors[i] = monitors[j];
break;
}
}
}
// Find and report disconnected monitors (not in the new list)
for (i = 0; i < monitorCount; i++)
{
_GLFWwindow* window;
for (j = 0; j < _glfw.monitorCount; j++)
{
if (monitors[i] == _glfw.monitors[j])
break;
}
if (j < _glfw.monitorCount)
continue;
for (window = _glfw.windowListHead; window; window = window->next)
{
if (window->monitor == monitors[i])
window->monitor = NULL;
}
if (_glfw.callbacks.monitor)
_glfw.callbacks.monitor((GLFWmonitor*) monitors[i], GLFW_DISCONNECTED);
}
// Find and report newly connected monitors (not in the old list)
// Re-used monitor objects are then removed from the old list to avoid
// having them destroyed at the end of this function
for (i = 0; i < _glfw.monitorCount; i++)
{
for (j = 0; j < monitorCount; j++)
{
if (_glfw.monitors[i] == monitors[j])
{
monitors[j] = NULL;
break;
}
}
if (j < monitorCount)
continue;
if (_glfw.callbacks.monitor)
_glfw.callbacks.monitor((GLFWmonitor*) _glfw.monitors[i], GLFW_CONNECTED);
}
_glfwDestroyMonitors(monitors, monitorCount);
}
//////////////////////////////////////////////////////////////////////////
////// GLFW internal API //////
//////////////////////////////////////////////////////////////////////////
_GLFWmonitor* _glfwCreateMonitor(const char* name, int widthMM, int heightMM)
{
_GLFWmonitor* monitor = calloc(1, sizeof(_GLFWmonitor));
monitor->name = strdup(name);
monitor->widthMM = widthMM;
monitor->heightMM = heightMM;
return monitor;
}
void _glfwDestroyMonitor(_GLFWmonitor* monitor)
{
if (monitor == NULL)
return;
_glfwFreeGammaArrays(&monitor->originalRamp);
_glfwFreeGammaArrays(&monitor->currentRamp);
free(monitor->modes);
free(monitor->name);
free(monitor);
}
void _glfwDestroyMonitors(_GLFWmonitor** monitors, int count)
{
int i;
for (i = 0; i < count; i++)
_glfwDestroyMonitor(monitors[i]);
free(monitors);
}
const GLFWvidmode* _glfwChooseVideoMode(_GLFWmonitor* monitor,
const GLFWvidmode* desired)
{
int i;
unsigned int sizeDiff, leastSizeDiff = UINT_MAX;
unsigned int rateDiff, leastRateDiff = UINT_MAX;
unsigned int colorDiff, leastColorDiff = UINT_MAX;
const GLFWvidmode* current;
const GLFWvidmode* closest = NULL;
if (!refreshVideoModes(monitor))
return NULL;
for (i = 0; i < monitor->modeCount; i++)
{
current = monitor->modes + i;
colorDiff = abs((current->redBits + current->greenBits + current->blueBits) -
(desired->redBits + desired->greenBits + desired->blueBits));
sizeDiff = abs((current->width - desired->width) *
(current->width - desired->width) +
(current->height - desired->height) *
(current->height - desired->height));
if (desired->refreshRate)
rateDiff = abs(current->refreshRate - desired->refreshRate);
else
rateDiff = UINT_MAX - current->refreshRate;
if ((colorDiff < leastColorDiff) ||
(colorDiff == leastColorDiff && sizeDiff < leastSizeDiff) ||
(colorDiff == leastColorDiff && sizeDiff == leastSizeDiff && rateDiff < leastRateDiff))
{
closest = current;
leastSizeDiff = sizeDiff;
leastRateDiff = rateDiff;
leastColorDiff = colorDiff;
}
}
return closest;
}
int _glfwCompareVideoModes(const GLFWvidmode* first, const GLFWvidmode* second)
{
return compareVideoModes(first, second);
}
void _glfwSplitBPP(int bpp, int* red, int* green, int* blue)
{
int delta;
// We assume that by 32 the user really meant 24
if (bpp == 32)
bpp = 24;
// Convert "bits per pixel" to red, green & blue sizes
*red = *green = *blue = bpp / 3;
delta = bpp - (*red * 3);
if (delta >= 1)
*green = *green + 1;
if (delta == 2)
*red = *red + 1;
}
//////////////////////////////////////////////////////////////////////////
////// GLFW public API //////
//////////////////////////////////////////////////////////////////////////
GLFWAPI GLFWmonitor** glfwGetMonitors(int* count)
{
*count = 0;
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
*count = _glfw.monitorCount;
return (GLFWmonitor**) _glfw.monitors;
}
GLFWAPI GLFWmonitor* glfwGetPrimaryMonitor(void)
{
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
return (GLFWmonitor*) _glfw.monitors[0];
}
GLFWAPI void glfwGetMonitorPos(GLFWmonitor* handle, int* xpos, int* ypos)
{
_GLFWmonitor* monitor = (_GLFWmonitor*) handle;
_GLFW_REQUIRE_INIT();
_glfwPlatformGetMonitorPos(monitor, xpos, ypos);
}
GLFWAPI void glfwGetMonitorPhysicalSize(GLFWmonitor* handle, int* width, int* height)
{
_GLFWmonitor* monitor = (_GLFWmonitor*) handle;
_GLFW_REQUIRE_INIT();
if (width)
*width = monitor->widthMM;
if (height)
*height = monitor->heightMM;
}
GLFWAPI const char* glfwGetMonitorName(GLFWmonitor* handle)
{
_GLFWmonitor* monitor = (_GLFWmonitor*) handle;
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
return monitor->name;
}
GLFWAPI GLFWmonitorfun glfwSetMonitorCallback(GLFWmonitorfun cbfun)
{
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
_GLFW_SWAP_POINTERS(_glfw.callbacks.monitor, cbfun);
return cbfun;
}
GLFWAPI const GLFWvidmode* glfwGetVideoModes(GLFWmonitor* handle, int* count)
{
_GLFWmonitor* monitor = (_GLFWmonitor*) handle;
*count = 0;
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
if (!refreshVideoModes(monitor))
return NULL;
*count = monitor->modeCount;
return monitor->modes;
}
GLFWAPI const GLFWvidmode* glfwGetVideoMode(GLFWmonitor* handle)
{
_GLFWmonitor* monitor = (_GLFWmonitor*) handle;
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
_glfwPlatformGetVideoMode(monitor, &monitor->currentMode);
return &monitor->currentMode;
}

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//========================================================================
// GLFW 3.0 OS X - www.glfw.org
//------------------------------------------------------------------------
// Copyright (c) 2009-2010 Camilla Berglund <elmindreda@elmindreda.org>
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would
// be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such, and must not
// be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source
// distribution.
//
//========================================================================
#include "internal.h"
#include <pthread.h>
//////////////////////////////////////////////////////////////////////////
////// GLFW internal API //////
//////////////////////////////////////////////////////////////////////////
// Initialize OpenGL support
//
int _glfwInitContextAPI(void)
{
if (pthread_key_create(&_glfw.nsgl.current, NULL) != 0)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"NSGL: Failed to create context TLS");
return GL_FALSE;
}
_glfw.nsgl.framework =
CFBundleGetBundleWithIdentifier(CFSTR("com.apple.opengl"));
if (_glfw.nsgl.framework == NULL)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"NSGL: Failed to locate OpenGL framework");
return GL_FALSE;
}
return GL_TRUE;
}
// Terminate OpenGL support
//
void _glfwTerminateContextAPI(void)
{
pthread_key_delete(_glfw.nsgl.current);
}
// Create the OpenGL context
//
int _glfwCreateContext(_GLFWwindow* window,
const _GLFWwndconfig* wndconfig,
const _GLFWfbconfig* fbconfig)
{
unsigned int attributeCount = 0;
// OS X needs non-zero color size, so set resonable values
int colorBits = fbconfig->redBits + fbconfig->greenBits + fbconfig->blueBits;
if (colorBits == 0)
colorBits = 24;
else if (colorBits < 15)
colorBits = 15;
if (wndconfig->clientAPI == GLFW_OPENGL_ES_API)
{
_glfwInputError(GLFW_VERSION_UNAVAILABLE,
"NSGL: This API does not support OpenGL ES");
return GL_FALSE;
}
#if MAC_OS_X_VERSION_MAX_ALLOWED >= 1070
if (wndconfig->glMajor == 3 && wndconfig->glMinor < 2)
{
_glfwInputError(GLFW_VERSION_UNAVAILABLE,
"NSGL: The targeted version of OS X does not "
"support OpenGL 3.0 or 3.1");
return GL_FALSE;
}
if (wndconfig->glMajor > 2)
{
if (!wndconfig->glForward)
{
_glfwInputError(GLFW_VERSION_UNAVAILABLE,
"NSGL: The targeted version of OS X only "
"supports OpenGL 3.2 and later versions if they "
"are forward-compatible");
return GL_FALSE;
}
if (wndconfig->glProfile != GLFW_OPENGL_CORE_PROFILE)
{
_glfwInputError(GLFW_VERSION_UNAVAILABLE,
"NSGL: The targeted version of OS X only "
"supports OpenGL 3.2 and later versions if they "
"use the core profile");
return GL_FALSE;
}
}
#else
// Fail if OpenGL 3.0 or above was requested
if (wndconfig->glMajor > 2)
{
_glfwInputError(GLFW_VERSION_UNAVAILABLE,
"NSGL: The targeted version of OS X does not "
"support OpenGL version 3.0 or above");
return GL_FALSE;
}
#endif /*MAC_OS_X_VERSION_MAX_ALLOWED*/
// Fail if a robustness strategy was requested
if (wndconfig->glRobustness)
{
_glfwInputError(GLFW_VERSION_UNAVAILABLE,
"NSGL: OS X does not support OpenGL robustness "
"strategies");
return GL_FALSE;
}
#define ADD_ATTR(x) { attributes[attributeCount++] = x; }
#define ADD_ATTR2(x, y) { ADD_ATTR(x); ADD_ATTR(y); }
// Arbitrary array size here
NSOpenGLPixelFormatAttribute attributes[40];
ADD_ATTR(NSOpenGLPFADoubleBuffer);
ADD_ATTR(NSOpenGLPFAClosestPolicy);
#if MAC_OS_X_VERSION_MAX_ALLOWED >= 1070
if (wndconfig->glMajor > 2)
ADD_ATTR2(NSOpenGLPFAOpenGLProfile, NSOpenGLProfileVersion3_2Core);
#endif /*MAC_OS_X_VERSION_MAX_ALLOWED*/
ADD_ATTR2(NSOpenGLPFAColorSize, colorBits);
if (fbconfig->alphaBits > 0)
ADD_ATTR2(NSOpenGLPFAAlphaSize, fbconfig->alphaBits);
if (fbconfig->depthBits > 0)
ADD_ATTR2(NSOpenGLPFADepthSize, fbconfig->depthBits);
if (fbconfig->stencilBits > 0)
ADD_ATTR2(NSOpenGLPFAStencilSize, fbconfig->stencilBits);
int accumBits = fbconfig->accumRedBits + fbconfig->accumGreenBits +
fbconfig->accumBlueBits + fbconfig->accumAlphaBits;
if (accumBits > 0)
ADD_ATTR2(NSOpenGLPFAAccumSize, accumBits);
if (fbconfig->auxBuffers > 0)
ADD_ATTR2(NSOpenGLPFAAuxBuffers, fbconfig->auxBuffers);
if (fbconfig->stereo)
ADD_ATTR(NSOpenGLPFAStereo);
if (fbconfig->samples > 0)
{
ADD_ATTR2(NSOpenGLPFASampleBuffers, 1);
ADD_ATTR2(NSOpenGLPFASamples, fbconfig->samples);
}
// NOTE: All NSOpenGLPixelFormats on the relevant cards support sRGB
// frambuffer, so there's no need (and no way) to request it
ADD_ATTR(0);
#undef ADD_ATTR
#undef ADD_ATTR2
window->nsgl.pixelFormat =
[[NSOpenGLPixelFormat alloc] initWithAttributes:attributes];
if (window->nsgl.pixelFormat == nil)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"NSGL: Failed to create OpenGL pixel format");
return GL_FALSE;
}
NSOpenGLContext* share = NULL;
if (wndconfig->share)
share = wndconfig->share->nsgl.context;
window->nsgl.context =
[[NSOpenGLContext alloc] initWithFormat:window->nsgl.pixelFormat
shareContext:share];
if (window->nsgl.context == nil)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"NSGL: Failed to create OpenGL context");
return GL_FALSE;
}
return GL_TRUE;
}
// Destroy the OpenGL context
//
void _glfwDestroyContext(_GLFWwindow* window)
{
[window->nsgl.pixelFormat release];
window->nsgl.pixelFormat = nil;
[window->nsgl.context release];
window->nsgl.context = nil;
}
//////////////////////////////////////////////////////////////////////////
////// GLFW platform API //////
//////////////////////////////////////////////////////////////////////////
void _glfwPlatformMakeContextCurrent(_GLFWwindow* window)
{
if (window)
[window->nsgl.context makeCurrentContext];
else
[NSOpenGLContext clearCurrentContext];
pthread_setspecific(_glfw.nsgl.current, window);
}
_GLFWwindow* _glfwPlatformGetCurrentContext(void)
{
return (_GLFWwindow*) pthread_getspecific(_glfw.nsgl.current);
}
void _glfwPlatformSwapBuffers(_GLFWwindow* window)
{
// ARP appears to be unnecessary, but this is future-proof
[window->nsgl.context flushBuffer];
}
void _glfwPlatformSwapInterval(int interval)
{
_GLFWwindow* window = _glfwPlatformGetCurrentContext();
GLint sync = interval;
[window->nsgl.context setValues:&sync forParameter:NSOpenGLCPSwapInterval];
}
int _glfwPlatformExtensionSupported(const char* extension)
{
// There are no NSGL extensions
return GL_FALSE;
}
GLFWglproc _glfwPlatformGetProcAddress(const char* procname)
{
CFStringRef symbolName = CFStringCreateWithCString(kCFAllocatorDefault,
procname,
kCFStringEncodingASCII);
GLFWglproc symbol = CFBundleGetFunctionPointerForName(_glfw.nsgl.framework,
symbolName);
CFRelease(symbolName);
return symbol;
}
//////////////////////////////////////////////////////////////////////////
////// GLFW native API //////
//////////////////////////////////////////////////////////////////////////
GLFWAPI id glfwGetNSGLContext(GLFWwindow* handle)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
_GLFW_REQUIRE_INIT_OR_RETURN(nil);
return window->nsgl.context;
}

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//========================================================================
// GLFW 3.0 OS X - www.glfw.org
//------------------------------------------------------------------------
// Copyright (c) 2009-2010 Camilla Berglund <elmindreda@elmindreda.org>
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would
// be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such, and must not
// be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source
// distribution.
//
//========================================================================
#ifndef _nsgl_platform_h_
#define _nsgl_platform_h_
#define _GLFW_PLATFORM_FBCONFIG
#define _GLFW_PLATFORM_CONTEXT_STATE _GLFWcontextNSGL nsgl
#define _GLFW_PLATFORM_LIBRARY_OPENGL_STATE _GLFWlibraryNSGL nsgl
//========================================================================
// GLFW platform specific types
//========================================================================
//------------------------------------------------------------------------
// Platform-specific OpenGL context structure
//------------------------------------------------------------------------
typedef struct _GLFWcontextNSGL
{
id pixelFormat;
id context;
} _GLFWcontextNSGL;
//------------------------------------------------------------------------
// Platform-specific library global data for NSGL
//------------------------------------------------------------------------
typedef struct _GLFWlibraryNSGL
{
// dlopen handle for dynamically loading OpenGL extension entry points
void* framework;
// TLS key for per-thread current context/window
pthread_key_t current;
} _GLFWlibraryNSGL;
#endif // _nsgl_platform_h_

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//========================================================================
// GLFW 3.0 - www.glfw.org
//------------------------------------------------------------------------
// Copyright (c) 2002-2006 Marcus Geelnard
// Copyright (c) 2006-2010 Camilla Berglund <elmindreda@elmindreda.org>
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would
// be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such, and must not
// be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source
// distribution.
//
//========================================================================
#include "internal.h"
//////////////////////////////////////////////////////////////////////////
////// GLFW public API //////
//////////////////////////////////////////////////////////////////////////
GLFWAPI double glfwGetTime(void)
{
_GLFW_REQUIRE_INIT_OR_RETURN(0.0);
return _glfwPlatformGetTime();
}
GLFWAPI void glfwSetTime(double time)
{
_GLFW_REQUIRE_INIT();
_glfwPlatformSetTime(time);
}

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//========================================================================
// GLFW 3.0 WGL - www.glfw.org
//------------------------------------------------------------------------
// Copyright (c) 2002-2006 Marcus Geelnard
// Copyright (c) 2006-2010 Camilla Berglund <elmindreda@elmindreda.org>
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would
// be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such, and must not
// be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source
// distribution.
//
//========================================================================
#include "internal.h"
#include <stdlib.h>
#include <malloc.h>
#include <assert.h>
// Initialize WGL-specific extensions
// This function is called once before initial context creation, i.e. before
// any WGL extensions could be present. This is done in order to have both
// extension variable clearing and loading in the same place, hopefully
// decreasing the possibility of forgetting to add one without the other.
//
static void initWGLExtensions(_GLFWwindow* window)
{
// This needs to include every function pointer loaded below
window->wgl.SwapIntervalEXT = NULL;
window->wgl.GetPixelFormatAttribivARB = NULL;
window->wgl.GetExtensionsStringARB = NULL;
window->wgl.GetExtensionsStringEXT = NULL;
window->wgl.CreateContextAttribsARB = NULL;
// This needs to include every extension used below except for
// WGL_ARB_extensions_string and WGL_EXT_extensions_string
window->wgl.ARB_multisample = GL_FALSE;
window->wgl.ARB_framebuffer_sRGB = GL_FALSE;
window->wgl.ARB_create_context = GL_FALSE;
window->wgl.ARB_create_context_profile = GL_FALSE;
window->wgl.EXT_create_context_es2_profile = GL_FALSE;
window->wgl.ARB_create_context_robustness = GL_FALSE;
window->wgl.EXT_swap_control = GL_FALSE;
window->wgl.ARB_pixel_format = GL_FALSE;
window->wgl.GetExtensionsStringEXT = (PFNWGLGETEXTENSIONSSTRINGEXTPROC)
wglGetProcAddress("wglGetExtensionsStringEXT");
if (!window->wgl.GetExtensionsStringEXT)
{
window->wgl.GetExtensionsStringARB = (PFNWGLGETEXTENSIONSSTRINGARBPROC)
wglGetProcAddress("wglGetExtensionsStringARB");
if (!window->wgl.GetExtensionsStringARB)
return;
}
if (_glfwPlatformExtensionSupported("WGL_ARB_multisample"))
window->wgl.ARB_multisample = GL_TRUE;
if (_glfwPlatformExtensionSupported("WGL_ARB_framebuffer_sRGB"))
window->wgl.ARB_framebuffer_sRGB = GL_TRUE;
if (_glfwPlatformExtensionSupported("WGL_ARB_create_context"))
{
window->wgl.CreateContextAttribsARB = (PFNWGLCREATECONTEXTATTRIBSARBPROC)
wglGetProcAddress("wglCreateContextAttribsARB");
if (window->wgl.CreateContextAttribsARB)
window->wgl.ARB_create_context = GL_TRUE;
}
if (window->wgl.ARB_create_context)
{
if (_glfwPlatformExtensionSupported("WGL_ARB_create_context_profile"))
window->wgl.ARB_create_context_profile = GL_TRUE;
}
if (window->wgl.ARB_create_context &&
window->wgl.ARB_create_context_profile)
{
if (_glfwPlatformExtensionSupported("WGL_EXT_create_context_es2_profile"))
window->wgl.EXT_create_context_es2_profile = GL_TRUE;
}
if (window->wgl.ARB_create_context)
{
if (_glfwPlatformExtensionSupported("WGL_ARB_create_context_robustness"))
window->wgl.ARB_create_context_robustness = GL_TRUE;
}
if (_glfwPlatformExtensionSupported("WGL_EXT_swap_control"))
{
window->wgl.SwapIntervalEXT = (PFNWGLSWAPINTERVALEXTPROC)
wglGetProcAddress("wglSwapIntervalEXT");
if (window->wgl.SwapIntervalEXT)
window->wgl.EXT_swap_control = GL_TRUE;
}
if (_glfwPlatformExtensionSupported("WGL_ARB_pixel_format"))
{
window->wgl.GetPixelFormatAttribivARB = (PFNWGLGETPIXELFORMATATTRIBIVARBPROC)
wglGetProcAddress("wglGetPixelFormatAttribivARB");
if (window->wgl.GetPixelFormatAttribivARB)
window->wgl.ARB_pixel_format = GL_TRUE;
}
}
// Returns the specified attribute of the specified pixel format
// NOTE: Do not call this unless we have found WGL_ARB_pixel_format
//
static int getPixelFormatAttrib(_GLFWwindow* window, int pixelFormat, int attrib)
{
int value = 0;
if (!window->wgl.GetPixelFormatAttribivARB(window->wgl.dc,
pixelFormat,
0, 1, &attrib, &value))
{
// NOTE: We should probably handle this error somehow
return 0;
}
return value;
}
// Return a list of available and usable framebuffer configs
//
static GLboolean choosePixelFormat(_GLFWwindow* window,
const _GLFWfbconfig* desired,
int* result)
{
_GLFWfbconfig* usableConfigs;
const _GLFWfbconfig* closest;
int i, nativeCount, usableCount;
if (window->wgl.ARB_pixel_format)
{
nativeCount = getPixelFormatAttrib(window,
1,
WGL_NUMBER_PIXEL_FORMATS_ARB);
}
else
{
nativeCount = DescribePixelFormat(window->wgl.dc,
1,
sizeof(PIXELFORMATDESCRIPTOR),
NULL);
}
if (!nativeCount)
{
_glfwInputError(GLFW_API_UNAVAILABLE, "WGL: No pixel formats found");
return GL_FALSE;
}
usableConfigs = calloc(nativeCount, sizeof(_GLFWfbconfig));
usableCount = 0;
for (i = 0; i < nativeCount; i++)
{
const int n = i + 1;
_GLFWfbconfig* u = usableConfigs + usableCount;
if (window->wgl.ARB_pixel_format)
{
// Get pixel format attributes through WGL_ARB_pixel_format
if (!getPixelFormatAttrib(window, n, WGL_SUPPORT_OPENGL_ARB) ||
!getPixelFormatAttrib(window, n, WGL_DRAW_TO_WINDOW_ARB) ||
!getPixelFormatAttrib(window, n, WGL_DOUBLE_BUFFER_ARB))
{
continue;
}
if (getPixelFormatAttrib(window, n, WGL_PIXEL_TYPE_ARB) !=
WGL_TYPE_RGBA_ARB)
{
continue;
}
if (getPixelFormatAttrib(window, n, WGL_ACCELERATION_ARB) ==
WGL_NO_ACCELERATION_ARB)
{
continue;
}
u->redBits = getPixelFormatAttrib(window, n, WGL_RED_BITS_ARB);
u->greenBits = getPixelFormatAttrib(window, n, WGL_GREEN_BITS_ARB);
u->blueBits = getPixelFormatAttrib(window, n, WGL_BLUE_BITS_ARB);
u->alphaBits = getPixelFormatAttrib(window, n, WGL_ALPHA_BITS_ARB);
u->depthBits = getPixelFormatAttrib(window, n, WGL_DEPTH_BITS_ARB);
u->stencilBits = getPixelFormatAttrib(window, n, WGL_STENCIL_BITS_ARB);
u->accumRedBits = getPixelFormatAttrib(window, n, WGL_ACCUM_RED_BITS_ARB);
u->accumGreenBits = getPixelFormatAttrib(window, n, WGL_ACCUM_GREEN_BITS_ARB);
u->accumBlueBits = getPixelFormatAttrib(window, n, WGL_ACCUM_BLUE_BITS_ARB);
u->accumAlphaBits = getPixelFormatAttrib(window, n, WGL_ACCUM_ALPHA_BITS_ARB);
u->auxBuffers = getPixelFormatAttrib(window, n, WGL_AUX_BUFFERS_ARB);
u->stereo = getPixelFormatAttrib(window, n, WGL_STEREO_ARB);
if (window->wgl.ARB_multisample)
u->samples = getPixelFormatAttrib(window, n, WGL_SAMPLES_ARB);
if (window->wgl.ARB_framebuffer_sRGB)
u->sRGB = getPixelFormatAttrib(window, n, WGL_FRAMEBUFFER_SRGB_CAPABLE_ARB);
}
else
{
PIXELFORMATDESCRIPTOR pfd;
// Get pixel format attributes through old-fashioned PFDs
if (!DescribePixelFormat(window->wgl.dc,
n,
sizeof(PIXELFORMATDESCRIPTOR),
&pfd))
{
continue;
}
if (!(pfd.dwFlags & PFD_DRAW_TO_WINDOW) ||
!(pfd.dwFlags & PFD_SUPPORT_OPENGL) ||
!(pfd.dwFlags & PFD_DOUBLEBUFFER))
{
continue;
}
if (!(pfd.dwFlags & PFD_GENERIC_ACCELERATED) &&
(pfd.dwFlags & PFD_GENERIC_FORMAT))
{
continue;
}
if (pfd.iPixelType != PFD_TYPE_RGBA)
continue;
u->redBits = pfd.cRedBits;
u->greenBits = pfd.cGreenBits;
u->blueBits = pfd.cBlueBits;
u->alphaBits = pfd.cAlphaBits;
u->depthBits = pfd.cDepthBits;
u->stencilBits = pfd.cStencilBits;
u->accumRedBits = pfd.cAccumRedBits;
u->accumGreenBits = pfd.cAccumGreenBits;
u->accumBlueBits = pfd.cAccumBlueBits;
u->accumAlphaBits = pfd.cAccumAlphaBits;
u->auxBuffers = pfd.cAuxBuffers;
u->stereo = (pfd.dwFlags & PFD_STEREO) ? GL_TRUE : GL_FALSE;
}
u->wgl = n;
usableCount++;
}
if (!usableCount)
{
_glfwInputError(GLFW_API_UNAVAILABLE,
"WGL: The driver does not appear to support OpenGL");
free(usableConfigs);
return GL_FALSE;
}
closest = _glfwChooseFBConfig(desired, usableConfigs, usableCount);
if (!closest)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"WGL: Failed to find a suitable pixel format");
free(usableConfigs);
return GL_FALSE;
}
*result = closest->wgl;
free(usableConfigs);
return GL_TRUE;
}
//////////////////////////////////////////////////////////////////////////
////// GLFW internal API //////
//////////////////////////////////////////////////////////////////////////
// Initialize WGL
//
int _glfwInitContextAPI(void)
{
_glfw.wgl.opengl32.instance = LoadLibrary(L"opengl32.dll");
if (!_glfw.wgl.opengl32.instance)
{
_glfwInputError(GLFW_PLATFORM_ERROR, "Failed to load opengl32.dll");
return GL_FALSE;
}
_glfw.wgl.current = TlsAlloc();
if (_glfw.wgl.current == TLS_OUT_OF_INDEXES)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"WGL: Failed to allocate TLS index");
return GL_FALSE;
}
_glfw.wgl.hasTLS = GL_TRUE;
return GL_TRUE;
}
// Terminate WGL
//
void _glfwTerminateContextAPI(void)
{
if (_glfw.wgl.hasTLS)
TlsFree(_glfw.wgl.current);
if (_glfw.wgl.opengl32.instance)
FreeLibrary(_glfw.wgl.opengl32.instance);
}
#define setWGLattrib(attribName, attribValue) \
{ \
attribs[index++] = attribName; \
attribs[index++] = attribValue; \
assert((size_t) index < sizeof(attribs) / sizeof(attribs[0])); \
}
// Prepare for creation of the OpenGL context
//
int _glfwCreateContext(_GLFWwindow* window,
const _GLFWwndconfig* wndconfig,
const _GLFWfbconfig* fbconfig)
{
int attribs[40];
int pixelFormat = 0;
PIXELFORMATDESCRIPTOR pfd;
HGLRC share = NULL;
if (wndconfig->share)
share = wndconfig->share->wgl.context;
window->wgl.dc = GetDC(window->win32.handle);
if (!window->wgl.dc)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Win32: Failed to retrieve DC for window");
return GL_FALSE;
}
if (!choosePixelFormat(window, fbconfig, &pixelFormat))
return GL_FALSE;
if (!DescribePixelFormat(window->wgl.dc, pixelFormat, sizeof(pfd), &pfd))
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Win32: Failed to retrieve PFD for selected pixel "
"format");
return GL_FALSE;
}
if (!SetPixelFormat(window->wgl.dc, pixelFormat, &pfd))
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Win32: Failed to set selected pixel format");
return GL_FALSE;
}
if (window->wgl.ARB_create_context)
{
int index = 0, mask = 0, flags = 0, strategy = 0;
if (wndconfig->clientAPI == GLFW_OPENGL_API)
{
if (wndconfig->glForward)
flags |= WGL_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB;
if (wndconfig->glDebug)
flags |= WGL_CONTEXT_DEBUG_BIT_ARB;
if (wndconfig->glProfile)
{
if (wndconfig->glProfile == GLFW_OPENGL_CORE_PROFILE)
mask |= WGL_CONTEXT_CORE_PROFILE_BIT_ARB;
else if (wndconfig->glProfile == GLFW_OPENGL_COMPAT_PROFILE)
mask |= WGL_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB;
}
}
else
mask |= WGL_CONTEXT_ES2_PROFILE_BIT_EXT;
if (wndconfig->glRobustness)
{
if (window->wgl.ARB_create_context_robustness)
{
if (wndconfig->glRobustness == GLFW_NO_RESET_NOTIFICATION)
strategy = WGL_NO_RESET_NOTIFICATION_ARB;
else if (wndconfig->glRobustness == GLFW_LOSE_CONTEXT_ON_RESET)
strategy = WGL_LOSE_CONTEXT_ON_RESET_ARB;
flags |= WGL_CONTEXT_ROBUST_ACCESS_BIT_ARB;
}
}
if (wndconfig->glMajor != 1 || wndconfig->glMinor != 0)
{
setWGLattrib(WGL_CONTEXT_MAJOR_VERSION_ARB, wndconfig->glMajor);
setWGLattrib(WGL_CONTEXT_MINOR_VERSION_ARB, wndconfig->glMinor);
}
if (flags)
setWGLattrib(WGL_CONTEXT_FLAGS_ARB, flags);
if (mask)
setWGLattrib(WGL_CONTEXT_PROFILE_MASK_ARB, mask);
if (strategy)
setWGLattrib(WGL_CONTEXT_RESET_NOTIFICATION_STRATEGY_ARB, strategy);
setWGLattrib(0, 0);
window->wgl.context = window->wgl.CreateContextAttribsARB(window->wgl.dc,
share,
attribs);
if (!window->wgl.context)
{
_glfwInputError(GLFW_VERSION_UNAVAILABLE,
"WGL: Failed to create OpenGL context");
return GL_FALSE;
}
}
else
{
window->wgl.context = wglCreateContext(window->wgl.dc);
if (!window->wgl.context)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"WGL: Failed to create OpenGL context");
return GL_FALSE;
}
if (share)
{
if (!wglShareLists(share, window->wgl.context))
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"WGL: Failed to enable sharing with specified "
"OpenGL context");
return GL_FALSE;
}
}
}
_glfwPlatformMakeContextCurrent(window);
initWGLExtensions(window);
return GL_TRUE;
}
#undef setWGLattrib
// Destroy the OpenGL context
//
void _glfwDestroyContext(_GLFWwindow* window)
{
if (window->wgl.context)
{
wglDeleteContext(window->wgl.context);
window->wgl.context = NULL;
}
if (window->wgl.dc)
{
ReleaseDC(window->win32.handle, window->wgl.dc);
window->wgl.dc = NULL;
}
}
// Analyzes the specified context for possible recreation
//
int _glfwAnalyzeContext(const _GLFWwindow* window,
const _GLFWwndconfig* wndconfig,
const _GLFWfbconfig* fbconfig)
{
GLboolean required = GL_FALSE;
if (wndconfig->clientAPI == GLFW_OPENGL_API)
{
if (wndconfig->glForward)
{
if (!window->wgl.ARB_create_context)
{
_glfwInputError(GLFW_VERSION_UNAVAILABLE,
"WGL: A forward compatible OpenGL context "
"requested but WGL_ARB_create_context is "
"unavailable");
return _GLFW_RECREATION_IMPOSSIBLE;
}
required = GL_TRUE;
}
if (wndconfig->glProfile)
{
if (!window->wgl.ARB_create_context_profile)
{
_glfwInputError(GLFW_VERSION_UNAVAILABLE,
"WGL: OpenGL profile requested but "
"WGL_ARB_create_context_profile is unavailable");
return _GLFW_RECREATION_IMPOSSIBLE;
}
required = GL_TRUE;
}
}
else
{
if (!window->wgl.ARB_create_context ||
!window->wgl.ARB_create_context_profile ||
!window->wgl.EXT_create_context_es2_profile)
{
_glfwInputError(GLFW_API_UNAVAILABLE,
"WGL: OpenGL ES requested but "
"WGL_ARB_create_context_es2_profile is unavailable");
return _GLFW_RECREATION_IMPOSSIBLE;
}
required = GL_TRUE;
}
if (wndconfig->glMajor != 1 || wndconfig->glMinor != 0)
{
if (window->wgl.ARB_create_context)
required = GL_TRUE;
}
if (wndconfig->glDebug)
{
if (window->wgl.ARB_create_context)
required = GL_TRUE;
}
if (fbconfig->samples > 0)
{
// We want FSAA, but can we get it?
// FSAA is not a hard constraint, so otherwise we just don't care
if (window->wgl.ARB_multisample && window->wgl.ARB_pixel_format)
{
// We appear to have both the extension and the means to ask for it
required = GL_TRUE;
}
}
if (required)
return _GLFW_RECREATION_REQUIRED;
return _GLFW_RECREATION_NOT_NEEDED;
}
//////////////////////////////////////////////////////////////////////////
////// GLFW platform API //////
//////////////////////////////////////////////////////////////////////////
void _glfwPlatformMakeContextCurrent(_GLFWwindow* window)
{
if (window)
wglMakeCurrent(window->wgl.dc, window->wgl.context);
else
wglMakeCurrent(NULL, NULL);
TlsSetValue(_glfw.wgl.current, window);
}
_GLFWwindow* _glfwPlatformGetCurrentContext(void)
{
return TlsGetValue(_glfw.wgl.current);
}
void _glfwPlatformSwapBuffers(_GLFWwindow* window)
{
SwapBuffers(window->wgl.dc);
}
void _glfwPlatformSwapInterval(int interval)
{
_GLFWwindow* window = _glfwPlatformGetCurrentContext();
#if !defined(_GLFW_USE_DWM_SWAP_INTERVAL)
if (_glfwIsCompositionEnabled() && interval)
{
// Don't enabled vsync when desktop compositing is enabled, as it leads
// to frame jitter
return;
}
#endif
if (window->wgl.EXT_swap_control)
window->wgl.SwapIntervalEXT(interval);
}
int _glfwPlatformExtensionSupported(const char* extension)
{
const GLubyte* extensions;
_GLFWwindow* window = _glfwPlatformGetCurrentContext();
if (window->wgl.GetExtensionsStringEXT != NULL)
{
extensions = (GLubyte*) window->wgl.GetExtensionsStringEXT();
if (extensions != NULL)
{
if (_glfwStringInExtensionString(extension, extensions))
return GL_TRUE;
}
}
if (window->wgl.GetExtensionsStringARB != NULL)
{
extensions = (GLubyte*) window->wgl.GetExtensionsStringARB(window->wgl.dc);
if (extensions != NULL)
{
if (_glfwStringInExtensionString(extension, extensions))
return GL_TRUE;
}
}
return GL_FALSE;
}
GLFWglproc _glfwPlatformGetProcAddress(const char* procname)
{
const GLFWglproc proc = (GLFWglproc) wglGetProcAddress(procname);
if (proc)
return proc;
return (GLFWglproc) GetProcAddress(_glfw.wgl.opengl32.instance, procname);
}
//////////////////////////////////////////////////////////////////////////
////// GLFW native API //////
//////////////////////////////////////////////////////////////////////////
GLFWAPI HGLRC glfwGetWGLContext(GLFWwindow* handle)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
return window->wgl.context;
}

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//========================================================================
// GLFW 3.0 WGL - www.glfw.org
//------------------------------------------------------------------------
// Copyright (c) 2002-2006 Marcus Geelnard
// Copyright (c) 2006-2010 Camilla Berglund <elmindreda@elmindreda.org>
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would
// be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such, and must not
// be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source
// distribution.
//
//========================================================================
#ifndef _wgl_platform_h_
#define _wgl_platform_h_
// This path may need to be changed if you build GLFW using your own setup
// We ship and use our own copy of wglext.h since GLFW uses fairly new
// extensions and not all operating systems come with an up-to-date version
#include "../deps/GL/wglext.h"
#define _GLFW_PLATFORM_FBCONFIG int wgl
#define _GLFW_PLATFORM_CONTEXT_STATE _GLFWcontextWGL wgl
#define _GLFW_PLATFORM_LIBRARY_OPENGL_STATE _GLFWlibraryWGL wgl
//========================================================================
// GLFW platform specific types
//========================================================================
//------------------------------------------------------------------------
// Platform-specific OpenGL context structure
//------------------------------------------------------------------------
typedef struct _GLFWcontextWGL
{
// Platform specific window resources
HDC dc; // Private GDI device context
HGLRC context; // Permanent rendering context
// Platform specific extensions (context specific)
PFNWGLSWAPINTERVALEXTPROC SwapIntervalEXT;
PFNWGLGETPIXELFORMATATTRIBIVARBPROC GetPixelFormatAttribivARB;
PFNWGLGETEXTENSIONSSTRINGEXTPROC GetExtensionsStringEXT;
PFNWGLGETEXTENSIONSSTRINGARBPROC GetExtensionsStringARB;
PFNWGLCREATECONTEXTATTRIBSARBPROC CreateContextAttribsARB;
GLboolean EXT_swap_control;
GLboolean ARB_multisample;
GLboolean ARB_framebuffer_sRGB;
GLboolean ARB_pixel_format;
GLboolean ARB_create_context;
GLboolean ARB_create_context_profile;
GLboolean EXT_create_context_es2_profile;
GLboolean ARB_create_context_robustness;
} _GLFWcontextWGL;
//------------------------------------------------------------------------
// Platform-specific library global data for WGL
//------------------------------------------------------------------------
typedef struct _GLFWlibraryWGL
{
GLboolean hasTLS;
DWORD current;
// opengl32.dll
struct {
HINSTANCE instance;
} opengl32;
} _GLFWlibraryWGL;
#endif // _wgl_platform_h_

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//========================================================================
// GLFW 3.0 Win32 - www.glfw.org
//------------------------------------------------------------------------
// Copyright (c) 2010 Camilla Berglund <elmindreda@elmindreda.org>
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would
// be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such, and must not
// be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source
// distribution.
//
//========================================================================
#include "internal.h"
#include <limits.h>
#include <string.h>
#include <stdlib.h>
#include <malloc.h>
//////////////////////////////////////////////////////////////////////////
////// GLFW platform API //////
//////////////////////////////////////////////////////////////////////////
void _glfwPlatformSetClipboardString(_GLFWwindow* window, const char* string)
{
WCHAR* wideString;
HANDLE stringHandle;
size_t wideSize;
wideString = _glfwCreateWideStringFromUTF8(string);
if (!wideString)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Win32: Failed to convert clipboard string to "
"wide string");
return;
}
wideSize = (wcslen(wideString) + 1) * sizeof(WCHAR);
stringHandle = GlobalAlloc(GMEM_MOVEABLE, wideSize);
if (!stringHandle)
{
free(wideString);
_glfwInputError(GLFW_PLATFORM_ERROR,
"Win32: Failed to allocate global handle for clipboard");
return;
}
memcpy(GlobalLock(stringHandle), wideString, wideSize);
GlobalUnlock(stringHandle);
if (!OpenClipboard(window->win32.handle))
{
GlobalFree(stringHandle);
free(wideString);
_glfwInputError(GLFW_PLATFORM_ERROR, "Win32: Failed to open clipboard");
return;
}
EmptyClipboard();
SetClipboardData(CF_UNICODETEXT, stringHandle);
CloseClipboard();
free(wideString);
}
const char* _glfwPlatformGetClipboardString(_GLFWwindow* window)
{
HANDLE stringHandle;
if (!IsClipboardFormatAvailable(CF_UNICODETEXT))
{
_glfwInputError(GLFW_FORMAT_UNAVAILABLE, NULL);
return NULL;
}
if (!OpenClipboard(window->win32.handle))
{
_glfwInputError(GLFW_PLATFORM_ERROR, "Win32: Failed to open clipboard");
return NULL;
}
stringHandle = GetClipboardData(CF_UNICODETEXT);
if (!stringHandle)
{
CloseClipboard();
_glfwInputError(GLFW_PLATFORM_ERROR,
"Win32: Failed to retrieve clipboard data");
return NULL;
}
free(_glfw.win32.clipboardString);
_glfw.win32.clipboardString =
_glfwCreateUTF8FromWideString(GlobalLock(stringHandle));
GlobalUnlock(stringHandle);
CloseClipboard();
if (!_glfw.win32.clipboardString)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Win32: Failed to convert wide string to UTF-8");
return NULL;
}
return _glfw.win32.clipboardString;
}

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//========================================================================
// GLFW 3.0 Win32 - www.glfw.org
//------------------------------------------------------------------------
// Copyright (c) 2010 Camilla Berglund <elmindreda@elmindreda.org>
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would
// be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such, and must not
// be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source
// distribution.
//
//========================================================================
#include "internal.h"
#include <limits.h>
//////////////////////////////////////////////////////////////////////////
////// GLFW platform API //////
//////////////////////////////////////////////////////////////////////////
void _glfwPlatformGetGammaRamp(_GLFWmonitor* monitor, GLFWgammaramp* ramp)
{
HDC dc;
WORD values[768];
DISPLAY_DEVICE display;
ZeroMemory(&display, sizeof(DISPLAY_DEVICE));
display.cb = sizeof(DISPLAY_DEVICE);
EnumDisplayDevices(monitor->win32.name, 0, &display, 0);
dc = CreateDC(L"DISPLAY", display.DeviceString, NULL, NULL);
GetDeviceGammaRamp(dc, values);
DeleteDC(dc);
_glfwAllocGammaArrays(ramp, 256);
memcpy(ramp->red, values + 0, 256 * sizeof(unsigned short));
memcpy(ramp->green, values + 256, 256 * sizeof(unsigned short));
memcpy(ramp->blue, values + 512, 256 * sizeof(unsigned short));
}
void _glfwPlatformSetGammaRamp(_GLFWmonitor* monitor, const GLFWgammaramp* ramp)
{
HDC dc;
WORD values[768];
DISPLAY_DEVICE display;
if (ramp->size != 256)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Win32: Gamma ramp size must be 256");
return;
}
memcpy(values + 0, ramp->red, 256 * sizeof(unsigned short));
memcpy(values + 256, ramp->green, 256 * sizeof(unsigned short));
memcpy(values + 512, ramp->blue, 256 * sizeof(unsigned short));
ZeroMemory(&display, sizeof(DISPLAY_DEVICE));
display.cb = sizeof(DISPLAY_DEVICE);
EnumDisplayDevices(monitor->win32.name, 0, &display, 0);
dc = CreateDC(L"DISPLAY", display.DeviceString, NULL, NULL);
SetDeviceGammaRamp(dc, values);
DeleteDC(dc);
}

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//========================================================================
// GLFW 3.0 Win32 - www.glfw.org
//------------------------------------------------------------------------
// Copyright (c) 2002-2006 Marcus Geelnard
// Copyright (c) 2006-2010 Camilla Berglund <elmindreda@elmindreda.org>
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would
// be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such, and must not
// be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source
// distribution.
//
//========================================================================
#include "internal.h"
#include <stdlib.h>
#include <malloc.h>
#ifdef __BORLANDC__
// With the Borland C++ compiler, we want to disable FPU exceptions
#include <float.h>
#endif // __BORLANDC__
#if defined(_GLFW_USE_OPTIMUS_HPG)
// Applications exporting this symbol with this value will be automatically
// directed to the high-performance GPU on nVidia Optimus systems
//
GLFWAPI DWORD NvOptimusEnablement = 0x00000001;
#endif // _GLFW_USE_OPTIMUS_HPG
#if defined(_GLFW_BUILD_DLL)
// GLFW DLL entry point
//
BOOL WINAPI DllMain(HINSTANCE instance, DWORD reason, LPVOID reserved)
{
return TRUE;
}
#endif // _GLFW_BUILD_DLL
// Load necessary libraries (DLLs)
//
static GLboolean initLibraries(void)
{
#ifndef _GLFW_NO_DLOAD_WINMM
// winmm.dll (for joystick and timer support)
_glfw.win32.winmm.instance = LoadLibrary(L"winmm.dll");
if (!_glfw.win32.winmm.instance)
return GL_FALSE;
_glfw.win32.winmm.joyGetDevCaps = (JOYGETDEVCAPS_T)
GetProcAddress(_glfw.win32.winmm.instance, "joyGetDevCapsW");
_glfw.win32.winmm.joyGetPos = (JOYGETPOS_T)
GetProcAddress(_glfw.win32.winmm.instance, "joyGetPos");
_glfw.win32.winmm.joyGetPosEx = (JOYGETPOSEX_T)
GetProcAddress(_glfw.win32.winmm.instance, "joyGetPosEx");
_glfw.win32.winmm.timeGetTime = (TIMEGETTIME_T)
GetProcAddress(_glfw.win32.winmm.instance, "timeGetTime");
if (!_glfw.win32.winmm.joyGetDevCaps ||
!_glfw.win32.winmm.joyGetPos ||
!_glfw.win32.winmm.joyGetPosEx ||
!_glfw.win32.winmm.timeGetTime)
{
return GL_FALSE;
}
#endif // _GLFW_NO_DLOAD_WINMM
_glfw.win32.user32.instance = LoadLibrary(L"user32.dll");
if (_glfw.win32.user32.instance)
{
_glfw.win32.user32.SetProcessDPIAware = (SETPROCESSDPIAWARE_T)
GetProcAddress(_glfw.win32.user32.instance, "SetProcessDPIAware");
}
_glfw.win32.dwmapi.instance = LoadLibrary(L"dwmapi.dll");
if (_glfw.win32.dwmapi.instance)
{
_glfw.win32.dwmapi.DwmIsCompositionEnabled = (DWMISCOMPOSITIONENABLED_T)
GetProcAddress(_glfw.win32.dwmapi.instance, "DwmIsCompositionEnabled");
}
return GL_TRUE;
}
// Unload used libraries (DLLs)
//
static void terminateLibraries(void)
{
#ifndef _GLFW_NO_DLOAD_WINMM
if (_glfw.win32.winmm.instance != NULL)
{
FreeLibrary(_glfw.win32.winmm.instance);
_glfw.win32.winmm.instance = NULL;
}
#endif // _GLFW_NO_DLOAD_WINMM
if (_glfw.win32.user32.instance)
FreeLibrary(_glfw.win32.user32.instance);
if (_glfw.win32.dwmapi.instance)
FreeLibrary(_glfw.win32.dwmapi.instance);
}
//////////////////////////////////////////////////////////////////////////
////// GLFW internal API //////
//////////////////////////////////////////////////////////////////////////
// Returns whether desktop compositing is enabled
//
BOOL _glfwIsCompositionEnabled(void)
{
BOOL enabled;
if (!_glfw_DwmIsCompositionEnabled)
return FALSE;
if (_glfw_DwmIsCompositionEnabled(&enabled) != S_OK)
return FALSE;
return enabled;
}
// Returns a wide string version of the specified UTF-8 string
//
WCHAR* _glfwCreateWideStringFromUTF8(const char* source)
{
WCHAR* target;
int length;
length = MultiByteToWideChar(CP_UTF8, 0, source, -1, NULL, 0);
if (!length)
return NULL;
target = calloc(length + 1, sizeof(WCHAR));
if (!MultiByteToWideChar(CP_UTF8, 0, source, -1, target, length + 1))
{
free(target);
return NULL;
}
return target;
}
// Returns a UTF-8 string version of the specified wide string
//
char* _glfwCreateUTF8FromWideString(const WCHAR* source)
{
char* target;
int length;
length = WideCharToMultiByte(CP_UTF8, 0, source, -1, NULL, 0, NULL, NULL);
if (!length)
return NULL;
target = calloc(length + 1, sizeof(char));
if (!WideCharToMultiByte(CP_UTF8, 0, source, -1, target, length + 1, NULL, NULL))
{
free(target);
return NULL;
}
return target;
}
//////////////////////////////////////////////////////////////////////////
////// GLFW platform API //////
//////////////////////////////////////////////////////////////////////////
int _glfwPlatformInit(void)
{
// To make SetForegroundWindow work as we want, we need to fiddle
// with the FOREGROUNDLOCKTIMEOUT system setting (we do this as early
// as possible in the hope of still being the foreground process)
SystemParametersInfo(SPI_GETFOREGROUNDLOCKTIMEOUT, 0,
&_glfw.win32.foregroundLockTimeout, 0);
SystemParametersInfo(SPI_SETFOREGROUNDLOCKTIMEOUT, 0, UIntToPtr(0),
SPIF_SENDCHANGE);
if (!initLibraries())
return GL_FALSE;
if (_glfw_SetProcessDPIAware)
_glfw_SetProcessDPIAware();
#ifdef __BORLANDC__
// With the Borland C++ compiler, we want to disable FPU exceptions
// (this is recommended for OpenGL applications under Windows)
_control87(MCW_EM, MCW_EM);
#endif
if (!_glfwInitContextAPI())
return GL_FALSE;
_glfwInitTimer();
_glfwInitJoysticks();
return GL_TRUE;
}
void _glfwPlatformTerminate(void)
{
if (_glfw.win32.classAtom)
{
UnregisterClass(_GLFW_WNDCLASSNAME, GetModuleHandle(NULL));
_glfw.win32.classAtom = 0;
}
// Restore previous foreground lock timeout system setting
SystemParametersInfo(SPI_SETFOREGROUNDLOCKTIMEOUT, 0,
UIntToPtr(_glfw.win32.foregroundLockTimeout),
SPIF_SENDCHANGE);
free(_glfw.win32.clipboardString);
_glfwTerminateJoysticks();
_glfwTerminateContextAPI();
terminateLibraries();
}
const char* _glfwPlatformGetVersionString(void)
{
const char* version = _GLFW_VERSION_NUMBER " Win32"
#if defined(_GLFW_WGL)
" WGL"
#elif defined(_GLFW_EGL)
" EGL"
#endif
#if defined(__MINGW32__)
" MinGW"
#elif defined(_MSC_VER)
" VisualC"
#elif defined(__BORLANDC__)
" BorlandC"
#endif
#if !defined(_GLFW_NO_DLOAD_WINMM)
" LoadLibrary(winmm)"
#endif
#if defined(_GLFW_BUILD_DLL)
" DLL"
#endif
;
return version;
}

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//========================================================================
// GLFW 3.0 Win32 - www.glfw.org
//------------------------------------------------------------------------
// Copyright (c) 2002-2006 Marcus Geelnard
// Copyright (c) 2006-2010 Camilla Berglund <elmindreda@elmindreda.org>
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would
// be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such, and must not
// be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source
// distribution.
//
//========================================================================
#include "internal.h"
#include <stdlib.h>
//////////////////////////////////////////////////////////////////////////
////// GLFW internal API //////
//////////////////////////////////////////////////////////////////////////
// Calculate normalized joystick position
//
static float calcJoystickPos(DWORD pos, DWORD min, DWORD max)
{
float fpos = (float) pos;
float fmin = (float) min;
float fmax = (float) max;
return (2.f * (fpos - fmin) / (fmax - fmin)) - 1.f;
}
//////////////////////////////////////////////////////////////////////////
////// GLFW internal API //////
//////////////////////////////////////////////////////////////////////////
// Initialize joystick interface
//
void _glfwInitJoysticks(void)
{
}
// Close all opened joystick handles
//
void _glfwTerminateJoysticks(void)
{
int i;
for (i = 0; i < GLFW_JOYSTICK_LAST; i++)
free(_glfw.win32.joystick[i].name);
}
//////////////////////////////////////////////////////////////////////////
////// GLFW platform API //////
//////////////////////////////////////////////////////////////////////////
int _glfwPlatformJoystickPresent(int joy)
{
JOYINFO ji;
if (_glfw_joyGetPos(joy, &ji) != JOYERR_NOERROR)
return GL_FALSE;
return GL_TRUE;
}
const float* _glfwPlatformGetJoystickAxes(int joy, int* count)
{
JOYCAPS jc;
JOYINFOEX ji;
float* axes = _glfw.win32.joystick[joy].axes;
if (_glfw_joyGetDevCaps(joy, &jc, sizeof(JOYCAPS)) != JOYERR_NOERROR)
return NULL;
ji.dwSize = sizeof(JOYINFOEX);
ji.dwFlags = JOY_RETURNX | JOY_RETURNY | JOY_RETURNZ |
JOY_RETURNR | JOY_RETURNU | JOY_RETURNV;
if (_glfw_joyGetPosEx(joy, &ji) != JOYERR_NOERROR)
return NULL;
axes[(*count)++] = calcJoystickPos(ji.dwXpos, jc.wXmin, jc.wXmax);
axes[(*count)++] = calcJoystickPos(ji.dwYpos, jc.wYmin, jc.wYmax);
if (jc.wCaps & JOYCAPS_HASZ)
axes[(*count)++] = calcJoystickPos(ji.dwZpos, jc.wZmin, jc.wZmax);
if (jc.wCaps & JOYCAPS_HASR)
axes[(*count)++] = calcJoystickPos(ji.dwRpos, jc.wRmin, jc.wRmax);
if (jc.wCaps & JOYCAPS_HASU)
axes[(*count)++] = calcJoystickPos(ji.dwUpos, jc.wUmin, jc.wUmax);
if (jc.wCaps & JOYCAPS_HASV)
axes[(*count)++] = calcJoystickPos(ji.dwVpos, jc.wVmin, jc.wVmax);
return axes;
}
const unsigned char* _glfwPlatformGetJoystickButtons(int joy, int* count)
{
JOYCAPS jc;
JOYINFOEX ji;
unsigned char* buttons = _glfw.win32.joystick[joy].buttons;
if (_glfw_joyGetDevCaps(joy, &jc, sizeof(JOYCAPS)) != JOYERR_NOERROR)
return NULL;
ji.dwSize = sizeof(JOYINFOEX);
ji.dwFlags = JOY_RETURNBUTTONS | JOY_RETURNPOV;
if (_glfw_joyGetPosEx(joy, &ji) != JOYERR_NOERROR)
return NULL;
while (*count < (int) jc.wNumButtons)
{
buttons[*count] = (unsigned char)
(ji.dwButtons & (1UL << *count) ? GLFW_PRESS : GLFW_RELEASE);
(*count)++;
}
// Virtual buttons - Inject data from hats
// Each hat is exposed as 4 buttons which exposes 8 directions with
// concurrent button presses
// NOTE: this API exposes only one hat
if ((jc.wCaps & JOYCAPS_HASPOV) && (jc.wCaps & JOYCAPS_POV4DIR))
{
int i, value = ji.dwPOV / 100 / 45;
// Bit fields of button presses for each direction, including nil
const int directions[9] = { 1, 3, 2, 6, 4, 12, 8, 9, 0 };
if (value < 0 || value > 8)
value = 8;
for (i = 0; i < 4; i++)
{
if (directions[value] & (1 << i))
buttons[(*count)++] = GLFW_PRESS;
else
buttons[(*count)++] = GLFW_RELEASE;
}
}
return buttons;
}
const char* _glfwPlatformGetJoystickName(int joy)
{
JOYCAPS jc;
if (_glfw_joyGetDevCaps(joy, &jc, sizeof(JOYCAPS)) != JOYERR_NOERROR)
return NULL;
free(_glfw.win32.joystick[joy].name);
_glfw.win32.joystick[joy].name = _glfwCreateUTF8FromWideString(jc.szPname);
return _glfw.win32.joystick[joy].name;
}

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//========================================================================
// GLFW 3.0 Win32 - www.glfw.org
//------------------------------------------------------------------------
// Copyright (c) 2002-2006 Marcus Geelnard
// Copyright (c) 2006-2010 Camilla Berglund <elmindreda@elmindreda.org>
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would
// be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such, and must not
// be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source
// distribution.
//
//========================================================================
#include "internal.h"
#include <stdlib.h>
#include <string.h>
#include <limits.h>
#include <malloc.h>
// These constants are missing on MinGW
#ifndef EDS_ROTATEDMODE
#define EDS_ROTATEDMODE 0x00000004
#endif
#ifndef DISPLAY_DEVICE_ACTIVE
#define DISPLAY_DEVICE_ACTIVE 0x00000001
#endif
//////////////////////////////////////////////////////////////////////////
////// GLFW internal API //////
//////////////////////////////////////////////////////////////////////////
// Change the current video mode
//
GLboolean _glfwSetVideoMode(_GLFWmonitor* monitor, const GLFWvidmode* desired)
{
GLFWvidmode current;
const GLFWvidmode* best;
DEVMODE dm;
best = _glfwChooseVideoMode(monitor, desired);
_glfwPlatformGetVideoMode(monitor, &current);
if (_glfwCompareVideoModes(&current, best) == 0)
return GL_TRUE;
ZeroMemory(&dm, sizeof(dm));
dm.dmSize = sizeof(DEVMODE);
dm.dmFields = DM_PELSWIDTH | DM_PELSHEIGHT | DM_BITSPERPEL |
DM_DISPLAYFREQUENCY;
dm.dmPelsWidth = best->width;
dm.dmPelsHeight = best->height;
dm.dmBitsPerPel = best->redBits + best->greenBits + best->blueBits;
dm.dmDisplayFrequency = best->refreshRate;
if (dm.dmBitsPerPel < 15 || dm.dmBitsPerPel >= 24)
dm.dmBitsPerPel = 32;
if (ChangeDisplaySettingsEx(monitor->win32.name,
&dm,
NULL,
CDS_FULLSCREEN,
NULL) != DISP_CHANGE_SUCCESSFUL)
{
_glfwInputError(GLFW_PLATFORM_ERROR, "Win32: Failed to set video mode");
return GL_FALSE;
}
return GL_TRUE;
}
// Restore the previously saved (original) video mode
//
void _glfwRestoreVideoMode(_GLFWmonitor* monitor)
{
ChangeDisplaySettingsEx(monitor->win32.name,
NULL, NULL, CDS_FULLSCREEN, NULL);
}
//////////////////////////////////////////////////////////////////////////
////// GLFW platform API //////
//////////////////////////////////////////////////////////////////////////
_GLFWmonitor** _glfwPlatformGetMonitors(int* count)
{
int size = 0, found = 0;
_GLFWmonitor** monitors = NULL;
DWORD adapterIndex = 0;
int primaryIndex = 0;
*count = 0;
for (;;)
{
DISPLAY_DEVICE adapter, display;
char* name;
HDC dc;
ZeroMemory(&adapter, sizeof(DISPLAY_DEVICE));
adapter.cb = sizeof(DISPLAY_DEVICE);
if (!EnumDisplayDevices(NULL, adapterIndex, &adapter, 0))
break;
adapterIndex++;
if ((adapter.StateFlags & DISPLAY_DEVICE_MIRRORING_DRIVER) ||
!(adapter.StateFlags & DISPLAY_DEVICE_ACTIVE))
{
continue;
}
if (found == size)
{
if (size)
size *= 2;
else
size = 4;
monitors = (_GLFWmonitor**) realloc(monitors, sizeof(_GLFWmonitor*) * size);
}
ZeroMemory(&display, sizeof(DISPLAY_DEVICE));
display.cb = sizeof(DISPLAY_DEVICE);
EnumDisplayDevices(adapter.DeviceName, 0, &display, 0);
dc = CreateDC(L"DISPLAY", display.DeviceString, NULL, NULL);
if (adapter.StateFlags & DISPLAY_DEVICE_PRIMARY_DEVICE)
primaryIndex = found;
name = _glfwCreateUTF8FromWideString(display.DeviceString);
if (!name)
{
_glfwDestroyMonitors(monitors, found);
_glfwInputError(GLFW_PLATFORM_ERROR,
"Failed to convert string to UTF-8");
free(monitors);
return NULL;
}
monitors[found] = _glfwCreateMonitor(name,
GetDeviceCaps(dc, HORZSIZE),
GetDeviceCaps(dc, VERTSIZE));
free(name);
DeleteDC(dc);
wcscpy(monitors[found]->win32.name, adapter.DeviceName);
found++;
}
if (primaryIndex > 0)
{
_GLFWmonitor* temp = monitors[0];
monitors[0] = monitors[primaryIndex];
monitors[primaryIndex] = temp;
}
*count = found;
return monitors;
}
GLboolean _glfwPlatformIsSameMonitor(_GLFWmonitor* first, _GLFWmonitor* second)
{
return wcscmp(first->win32.name, second->win32.name) == 0;
}
void _glfwPlatformGetMonitorPos(_GLFWmonitor* monitor, int* xpos, int* ypos)
{
DEVMODE settings;
ZeroMemory(&settings, sizeof(DEVMODE));
settings.dmSize = sizeof(DEVMODE);
EnumDisplaySettingsEx(monitor->win32.name,
ENUM_CURRENT_SETTINGS,
&settings,
EDS_ROTATEDMODE);
if (xpos)
*xpos = settings.dmPosition.x;
if (ypos)
*ypos = settings.dmPosition.y;
}
GLFWvidmode* _glfwPlatformGetVideoModes(_GLFWmonitor* monitor, int* found)
{
int modeIndex = 0, count = 0;
GLFWvidmode* result = NULL;
*found = 0;
for (;;)
{
int i;
GLFWvidmode mode;
DEVMODE dm;
ZeroMemory(&dm, sizeof(DEVMODE));
dm.dmSize = sizeof(DEVMODE);
if (!EnumDisplaySettings(monitor->win32.name, modeIndex, &dm))
break;
modeIndex++;
if (dm.dmBitsPerPel < 15)
{
// Skip modes with less than 15 BPP
continue;
}
mode.width = dm.dmPelsWidth;
mode.height = dm.dmPelsHeight;
mode.refreshRate = dm.dmDisplayFrequency;
_glfwSplitBPP(dm.dmBitsPerPel,
&mode.redBits,
&mode.greenBits,
&mode.blueBits);
for (i = 0; i < *found; i++)
{
if (_glfwCompareVideoModes(result + i, &mode) == 0)
break;
}
if (i < *found)
{
// This is a duplicate, so skip it
continue;
}
if (*found == count)
{
if (count)
count *= 2;
else
count = 128;
result = (GLFWvidmode*) realloc(result, count * sizeof(GLFWvidmode));
}
result[*found] = mode;
(*found)++;
}
return result;
}
void _glfwPlatformGetVideoMode(_GLFWmonitor* monitor, GLFWvidmode* mode)
{
DEVMODE dm;
ZeroMemory(&dm, sizeof(DEVMODE));
dm.dmSize = sizeof(DEVMODE);
EnumDisplaySettings(monitor->win32.name, ENUM_CURRENT_SETTINGS, &dm);
mode->width = dm.dmPelsWidth;
mode->height = dm.dmPelsHeight;
mode->refreshRate = dm.dmDisplayFrequency;
_glfwSplitBPP(dm.dmBitsPerPel,
&mode->redBits,
&mode->greenBits,
&mode->blueBits);
}

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//========================================================================
// GLFW 3.0 Win32 - www.glfw.org
//------------------------------------------------------------------------
// Copyright (c) 2002-2006 Marcus Geelnard
// Copyright (c) 2006-2010 Camilla Berglund <elmindreda@elmindreda.org>
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would
// be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such, and must not
// be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source
// distribution.
//
//========================================================================
#ifndef _win32_platform_h_
#define _win32_platform_h_
// We don't need all the fancy stuff
#ifndef NOMINMAX
#define NOMINMAX
#endif
#ifndef VC_EXTRALEAN
#define VC_EXTRALEAN
#endif
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#endif
// This is a workaround for the fact that glfw3.h needs to export APIENTRY (to
// correctly declare a GL_ARB_debug_output callback, for example) but windows.h
// thinks it is the only one that gets to do so
#undef APIENTRY
// GLFW on Windows is Unicode only and does not work in MBCS mode
#ifndef UNICODE
#define UNICODE
#endif
// GLFW requires Windows XP or later
#if WINVER < 0x0501
#undef WINVER
#define WINVER 0x0501
#endif
#if _WIN32_WINNT < 0x0501
#undef _WIN32_WINNT
#define _WIN32_WINNT 0x0501
#endif
#include <windows.h>
#include <mmsystem.h>
#include <dbt.h>
//========================================================================
// Hack: Define things that some windows.h variants don't
//========================================================================
#ifndef WM_MOUSEHWHEEL
#define WM_MOUSEHWHEEL 0x020E
#endif
#ifndef WM_DWMCOMPOSITIONCHANGED
#define WM_DWMCOMPOSITIONCHANGED 0x031E
#endif
//========================================================================
// DLLs that are loaded at glfwInit()
//========================================================================
// winmm.dll function pointer typedefs
#ifndef _GLFW_NO_DLOAD_WINMM
typedef MMRESULT (WINAPI * JOYGETDEVCAPS_T) (UINT,LPJOYCAPS,UINT);
typedef MMRESULT (WINAPI * JOYGETPOS_T) (UINT,LPJOYINFO);
typedef MMRESULT (WINAPI * JOYGETPOSEX_T) (UINT,LPJOYINFOEX);
typedef DWORD (WINAPI * TIMEGETTIME_T) (void);
#endif // _GLFW_NO_DLOAD_WINMM
// winmm.dll shortcuts
#ifndef _GLFW_NO_DLOAD_WINMM
#define _glfw_joyGetDevCaps _glfw.win32.winmm.joyGetDevCaps
#define _glfw_joyGetPos _glfw.win32.winmm.joyGetPos
#define _glfw_joyGetPosEx _glfw.win32.winmm.joyGetPosEx
#define _glfw_timeGetTime _glfw.win32.winmm.timeGetTime
#else
#define _glfw_joyGetDevCaps joyGetDevCaps
#define _glfw_joyGetPos joyGetPos
#define _glfw_joyGetPosEx joyGetPosEx
#define _glfw_timeGetTime timeGetTime
#endif // _GLFW_NO_DLOAD_WINMM
// user32.dll function pointer typedefs
typedef BOOL (WINAPI * SETPROCESSDPIAWARE_T)(void);
#define _glfw_SetProcessDPIAware _glfw.win32.user32.SetProcessDPIAware
// dwmapi.dll function pointer typedefs
typedef HRESULT (WINAPI * DWMISCOMPOSITIONENABLED_T)(BOOL*);
#define _glfw_DwmIsCompositionEnabled _glfw.win32.dwmapi.DwmIsCompositionEnabled
// We use versioned window class names in order not to cause conflicts
// between applications using different versions of GLFW
#define _GLFW_WNDCLASSNAME L"GLFW30"
#define _GLFW_RECREATION_NOT_NEEDED 0
#define _GLFW_RECREATION_REQUIRED 1
#define _GLFW_RECREATION_IMPOSSIBLE 2
#if defined(_GLFW_WGL)
#include "wgl_platform.h"
#elif defined(_GLFW_EGL)
#define _GLFW_EGL_NATIVE_WINDOW window->win32.handle
#define _GLFW_EGL_NATIVE_DISPLAY EGL_DEFAULT_DISPLAY
#include "egl_platform.h"
#else
#error "No supported context creation API selected"
#endif
#define _GLFW_PLATFORM_WINDOW_STATE _GLFWwindowWin32 win32
#define _GLFW_PLATFORM_LIBRARY_WINDOW_STATE _GLFWlibraryWin32 win32
#define _GLFW_PLATFORM_MONITOR_STATE _GLFWmonitorWin32 win32
//========================================================================
// GLFW platform specific types
//========================================================================
//------------------------------------------------------------------------
// Platform-specific window structure
//------------------------------------------------------------------------
typedef struct _GLFWwindowWin32
{
// Platform specific window resources
HWND handle; // Window handle
DWORD dwStyle; // Window styles used for window creation
DWORD dwExStyle; // --"--
// Various platform specific internal variables
GLboolean cursorCentered;
GLboolean cursorInside;
GLboolean cursorHidden;
int oldCursorX, oldCursorY;
} _GLFWwindowWin32;
//------------------------------------------------------------------------
// Platform-specific library global data for Win32
//------------------------------------------------------------------------
typedef struct _GLFWlibraryWin32
{
ATOM classAtom;
DWORD foregroundLockTimeout;
char* clipboardString;
// Timer data
struct {
GLboolean hasPC;
double resolution;
unsigned __int64 base;
} timer;
#ifndef _GLFW_NO_DLOAD_WINMM
// winmm.dll
struct {
HINSTANCE instance;
JOYGETDEVCAPS_T joyGetDevCaps;
JOYGETPOS_T joyGetPos;
JOYGETPOSEX_T joyGetPosEx;
TIMEGETTIME_T timeGetTime;
} winmm;
#endif // _GLFW_NO_DLOAD_WINMM
// user32.dll
struct {
HINSTANCE instance;
SETPROCESSDPIAWARE_T SetProcessDPIAware;
} user32;
// dwmapi.dll
struct {
HINSTANCE instance;
DWMISCOMPOSITIONENABLED_T DwmIsCompositionEnabled;
} dwmapi;
struct {
float axes[6];
unsigned char buttons[36]; // 32 buttons plus one hat
char* name;
} joystick[GLFW_JOYSTICK_LAST + 1];
} _GLFWlibraryWin32;
//------------------------------------------------------------------------
// Platform-specific monitor structure
//------------------------------------------------------------------------
typedef struct _GLFWmonitorWin32
{
// This size matches the static size of DISPLAY_DEVICE.DeviceName
WCHAR name[32];
} _GLFWmonitorWin32;
//========================================================================
// Prototypes for platform specific internal functions
//========================================================================
// Desktop compositing
BOOL _glfwIsCompositionEnabled(void);
// Wide strings
WCHAR* _glfwCreateWideStringFromUTF8(const char* source);
char* _glfwCreateUTF8FromWideString(const WCHAR* source);
// Time
void _glfwInitTimer(void);
// Joystick input
void _glfwInitJoysticks(void);
void _glfwTerminateJoysticks(void);
// OpenGL support
int _glfwInitContextAPI(void);
void _glfwTerminateContextAPI(void);
int _glfwCreateContext(_GLFWwindow* window,
const _GLFWwndconfig* wndconfig,
const _GLFWfbconfig* fbconfig);
void _glfwDestroyContext(_GLFWwindow* window);
int _glfwAnalyzeContext(const _GLFWwindow* window,
const _GLFWwndconfig* wndconfig,
const _GLFWfbconfig* fbconfig);
// Fullscreen support
GLboolean _glfwSetVideoMode(_GLFWmonitor* monitor, const GLFWvidmode* desired);
void _glfwRestoreVideoMode(_GLFWmonitor* monitor);
#endif // _win32_platform_h_

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//========================================================================
// GLFW 3.0 Win32 - www.glfw.org
//------------------------------------------------------------------------
// Copyright (c) 2002-2006 Marcus Geelnard
// Copyright (c) 2006-2010 Camilla Berglund <elmindreda@elmindreda.org>
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would
// be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such, and must not
// be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source
// distribution.
//
//========================================================================
#include "internal.h"
// Return raw time
//
static unsigned __int64 getRawTime(void)
{
if (_glfw.win32.timer.hasPC)
{
unsigned __int64 time;
QueryPerformanceCounter((LARGE_INTEGER*) &time);
return time;
}
else
return (unsigned __int64) _glfw_timeGetTime();
}
//////////////////////////////////////////////////////////////////////////
////// GLFW internal API //////
//////////////////////////////////////////////////////////////////////////
// Initialise timer
//
void _glfwInitTimer(void)
{
unsigned __int64 frequency;
if (QueryPerformanceFrequency((LARGE_INTEGER*) &frequency))
{
_glfw.win32.timer.hasPC = GL_TRUE;
_glfw.win32.timer.resolution = 1.0 / (double) frequency;
}
else
{
_glfw.win32.timer.hasPC = GL_FALSE;
_glfw.win32.timer.resolution = 0.001; // winmm resolution is 1 ms
}
_glfw.win32.timer.base = getRawTime();
}
//////////////////////////////////////////////////////////////////////////
////// GLFW platform API //////
//////////////////////////////////////////////////////////////////////////
double _glfwPlatformGetTime(void)
{
return (double) (getRawTime() - _glfw.win32.timer.base) *
_glfw.win32.timer.resolution;
}
void _glfwPlatformSetTime(double time)
{
_glfw.win32.timer.base = getRawTime() -
(unsigned __int64) (time / _glfw.win32.timer.resolution);
}

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//========================================================================
// GLFW 3.0 - www.glfw.org
//------------------------------------------------------------------------
// Copyright (c) 2002-2006 Marcus Geelnard
// Copyright (c) 2006-2010 Camilla Berglund <elmindreda@elmindreda.org>
// Copyright (c) 2012 Torsten Walluhn <tw@mad-cad.net>
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would
// be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such, and must not
// be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source
// distribution.
//
//========================================================================
#include "internal.h"
#include <string.h>
#include <stdlib.h>
#if defined(_MSC_VER)
#include <malloc.h>
#endif
// Return the maxiumum of the specified values
//
static int Max(int a, int b)
{
return (a > b) ? a : b;
}
//////////////////////////////////////////////////////////////////////////
////// GLFW event API //////
//////////////////////////////////////////////////////////////////////////
void _glfwInputWindowFocus(_GLFWwindow* window, GLboolean focused)
{
if (focused)
{
if (_glfw.focusedWindow != window)
{
_glfw.focusedWindow = window;
if (window->callbacks.focus)
window->callbacks.focus((GLFWwindow*) window, focused);
}
}
else
{
if (_glfw.focusedWindow == window)
{
int i;
_glfw.focusedWindow = NULL;
if (window->callbacks.focus)
window->callbacks.focus((GLFWwindow*) window, focused);
// Release all pressed keyboard keys
for (i = 0; i <= GLFW_KEY_LAST; i++)
{
if (window->key[i] == GLFW_PRESS)
_glfwInputKey(window, i, 0, GLFW_RELEASE, 0);
}
// Release all pressed mouse buttons
for (i = 0; i <= GLFW_MOUSE_BUTTON_LAST; i++)
{
if (window->mouseButton[i] == GLFW_PRESS)
_glfwInputMouseClick(window, i, GLFW_RELEASE, 0);
}
}
}
}
void _glfwInputWindowPos(_GLFWwindow* window, int x, int y)
{
if (window->callbacks.pos)
window->callbacks.pos((GLFWwindow*) window, x, y);
}
void _glfwInputWindowSize(_GLFWwindow* window, int width, int height)
{
if (window->callbacks.size)
window->callbacks.size((GLFWwindow*) window, width, height);
}
void _glfwInputWindowIconify(_GLFWwindow* window, int iconified)
{
if (window->iconified == iconified)
return;
window->iconified = iconified;
if (window->callbacks.iconify)
window->callbacks.iconify((GLFWwindow*) window, iconified);
}
void _glfwInputFramebufferSize(_GLFWwindow* window, int width, int height)
{
if (window->callbacks.fbsize)
window->callbacks.fbsize((GLFWwindow*) window, width, height);
}
void _glfwInputWindowVisibility(_GLFWwindow* window, int visible)
{
window->visible = visible;
}
void _glfwInputWindowDamage(_GLFWwindow* window)
{
if (window->callbacks.refresh)
window->callbacks.refresh((GLFWwindow*) window);
}
void _glfwInputWindowCloseRequest(_GLFWwindow* window)
{
window->closed = GL_TRUE;
if (window->callbacks.close)
window->callbacks.close((GLFWwindow*) window);
}
//////////////////////////////////////////////////////////////////////////
////// GLFW public API //////
//////////////////////////////////////////////////////////////////////////
GLFWAPI GLFWwindow* glfwCreateWindow(int width, int height,
const char* title,
GLFWmonitor* monitor,
GLFWwindow* share)
{
_GLFWfbconfig fbconfig;
_GLFWwndconfig wndconfig;
_GLFWwindow* window;
_GLFWwindow* previous;
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
if (width <= 0 || height <= 0)
{
_glfwInputError(GLFW_INVALID_VALUE, "Invalid window size");
return NULL;
}
// Set up desired framebuffer config
fbconfig.redBits = Max(_glfw.hints.redBits, 0);
fbconfig.greenBits = Max(_glfw.hints.greenBits, 0);
fbconfig.blueBits = Max(_glfw.hints.blueBits, 0);
fbconfig.alphaBits = Max(_glfw.hints.alphaBits, 0);
fbconfig.depthBits = Max(_glfw.hints.depthBits, 0);
fbconfig.stencilBits = Max(_glfw.hints.stencilBits, 0);
fbconfig.accumRedBits = Max(_glfw.hints.accumRedBits, 0);
fbconfig.accumGreenBits = Max(_glfw.hints.accumGreenBits, 0);
fbconfig.accumBlueBits = Max(_glfw.hints.accumBlueBits, 0);
fbconfig.accumAlphaBits = Max(_glfw.hints.accumAlphaBits, 0);
fbconfig.auxBuffers = Max(_glfw.hints.auxBuffers, 0);
fbconfig.stereo = _glfw.hints.stereo ? GL_TRUE : GL_FALSE;
fbconfig.samples = Max(_glfw.hints.samples, 0);
fbconfig.sRGB = _glfw.hints.sRGB ? GL_TRUE : GL_FALSE;
// Set up desired window config
wndconfig.width = width;
wndconfig.height = height;
wndconfig.title = title;
wndconfig.resizable = _glfw.hints.resizable ? GL_TRUE : GL_FALSE;
wndconfig.visible = _glfw.hints.visible ? GL_TRUE : GL_FALSE;
wndconfig.decorated = _glfw.hints.decorated ? GL_TRUE : GL_FALSE;
wndconfig.clientAPI = _glfw.hints.clientAPI;
wndconfig.glMajor = _glfw.hints.glMajor;
wndconfig.glMinor = _glfw.hints.glMinor;
wndconfig.glForward = _glfw.hints.glForward ? GL_TRUE : GL_FALSE;
wndconfig.glDebug = _glfw.hints.glDebug ? GL_TRUE : GL_FALSE;
wndconfig.glProfile = _glfw.hints.glProfile;
wndconfig.glRobustness = _glfw.hints.glRobustness;
wndconfig.monitor = (_GLFWmonitor*) monitor;
wndconfig.share = (_GLFWwindow*) share;
// Check the OpenGL bits of the window config
if (!_glfwIsValidContextConfig(&wndconfig))
return NULL;
window = calloc(1, sizeof(_GLFWwindow));
window->next = _glfw.windowListHead;
_glfw.windowListHead = window;
if (wndconfig.monitor)
{
wndconfig.resizable = GL_TRUE;
wndconfig.visible = GL_TRUE;
// Set up desired video mode
window->videoMode.width = width;
window->videoMode.height = height;
window->videoMode.redBits = Max(_glfw.hints.redBits, 0);
window->videoMode.greenBits = Max(_glfw.hints.greenBits, 0);
window->videoMode.blueBits = Max(_glfw.hints.blueBits, 0);
window->videoMode.refreshRate = Max(_glfw.hints.refreshRate, 0);
}
window->monitor = wndconfig.monitor;
window->resizable = wndconfig.resizable;
window->decorated = wndconfig.decorated;
window->cursorMode = GLFW_CURSOR_NORMAL;
// Save the currently current context so it can be restored later
previous = (_GLFWwindow*) glfwGetCurrentContext();
// Open the actual window and create its context
if (!_glfwPlatformCreateWindow(window, &wndconfig, &fbconfig))
{
glfwDestroyWindow((GLFWwindow*) window);
glfwMakeContextCurrent((GLFWwindow*) previous);
return NULL;
}
glfwMakeContextCurrent((GLFWwindow*) window);
// Retrieve the actual (as opposed to requested) context attributes
if (!_glfwRefreshContextAttribs())
{
glfwDestroyWindow((GLFWwindow*) window);
glfwMakeContextCurrent((GLFWwindow*) previous);
return NULL;
}
// Verify the context against the requested parameters
if (!_glfwIsValidContext(&wndconfig))
{
glfwDestroyWindow((GLFWwindow*) window);
glfwMakeContextCurrent((GLFWwindow*) previous);
return NULL;
}
// Clearing the front buffer to black to avoid garbage pixels left over
// from previous uses of our bit of VRAM
glClear(GL_COLOR_BUFFER_BIT);
_glfwPlatformSwapBuffers(window);
// Restore the previously current context (or NULL)
glfwMakeContextCurrent((GLFWwindow*) previous);
if (wndconfig.monitor == NULL && wndconfig.visible)
glfwShowWindow((GLFWwindow*) window);
return (GLFWwindow*) window;
}
void glfwDefaultWindowHints(void)
{
_GLFW_REQUIRE_INIT();
memset(&_glfw.hints, 0, sizeof(_glfw.hints));
// The default is OpenGL with minimum version 1.0
_glfw.hints.clientAPI = GLFW_OPENGL_API;
_glfw.hints.glMajor = 1;
_glfw.hints.glMinor = 0;
// The default is a visible, resizable window with decorations
_glfw.hints.resizable = GL_TRUE;
_glfw.hints.visible = GL_TRUE;
_glfw.hints.decorated = GL_TRUE;
// The default is 24 bits of color, 24 bits of depth and 8 bits of stencil
_glfw.hints.redBits = 8;
_glfw.hints.greenBits = 8;
_glfw.hints.blueBits = 8;
_glfw.hints.alphaBits = 8;
_glfw.hints.depthBits = 24;
_glfw.hints.stencilBits = 8;
}
GLFWAPI void glfwWindowHint(int target, int hint)
{
_GLFW_REQUIRE_INIT();
switch (target)
{
case GLFW_RED_BITS:
_glfw.hints.redBits = hint;
break;
case GLFW_GREEN_BITS:
_glfw.hints.greenBits = hint;
break;
case GLFW_BLUE_BITS:
_glfw.hints.blueBits = hint;
break;
case GLFW_ALPHA_BITS:
_glfw.hints.alphaBits = hint;
break;
case GLFW_DEPTH_BITS:
_glfw.hints.depthBits = hint;
break;
case GLFW_STENCIL_BITS:
_glfw.hints.stencilBits = hint;
break;
case GLFW_ACCUM_RED_BITS:
_glfw.hints.accumRedBits = hint;
break;
case GLFW_ACCUM_GREEN_BITS:
_glfw.hints.accumGreenBits = hint;
break;
case GLFW_ACCUM_BLUE_BITS:
_glfw.hints.accumBlueBits = hint;
break;
case GLFW_ACCUM_ALPHA_BITS:
_glfw.hints.accumAlphaBits = hint;
break;
case GLFW_AUX_BUFFERS:
_glfw.hints.auxBuffers = hint;
break;
case GLFW_STEREO:
_glfw.hints.stereo = hint;
break;
case GLFW_REFRESH_RATE:
_glfw.hints.refreshRate = hint;
break;
case GLFW_RESIZABLE:
_glfw.hints.resizable = hint;
break;
case GLFW_DECORATED:
_glfw.hints.decorated = hint;
break;
case GLFW_VISIBLE:
_glfw.hints.visible = hint;
break;
case GLFW_SAMPLES:
_glfw.hints.samples = hint;
break;
case GLFW_SRGB_CAPABLE:
_glfw.hints.sRGB = hint;
break;
case GLFW_CLIENT_API:
_glfw.hints.clientAPI = hint;
break;
case GLFW_CONTEXT_VERSION_MAJOR:
_glfw.hints.glMajor = hint;
break;
case GLFW_CONTEXT_VERSION_MINOR:
_glfw.hints.glMinor = hint;
break;
case GLFW_CONTEXT_ROBUSTNESS:
_glfw.hints.glRobustness = hint;
break;
case GLFW_OPENGL_FORWARD_COMPAT:
_glfw.hints.glForward = hint;
break;
case GLFW_OPENGL_DEBUG_CONTEXT:
_glfw.hints.glDebug = hint;
break;
case GLFW_OPENGL_PROFILE:
_glfw.hints.glProfile = hint;
break;
default:
_glfwInputError(GLFW_INVALID_ENUM, NULL);
break;
}
}
GLFWAPI void glfwDestroyWindow(GLFWwindow* handle)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
_GLFW_REQUIRE_INIT();
// Allow closing of NULL (to match the behavior of free)
if (window == NULL)
return;
// Clear all callbacks to avoid exposing a half torn-down window object
memset(&window->callbacks, 0, sizeof(window->callbacks));
// The window's context must not be current on another thread when the
// window is destroyed
if (window == _glfwPlatformGetCurrentContext())
_glfwPlatformMakeContextCurrent(NULL);
// Clear the focused window pointer if this is the focused window
if (window == _glfw.focusedWindow)
_glfw.focusedWindow = NULL;
_glfwPlatformDestroyWindow(window);
// Unlink window from global linked list
{
_GLFWwindow** prev = &_glfw.windowListHead;
while (*prev != window)
prev = &((*prev)->next);
*prev = window->next;
}
free(window);
}
GLFWAPI int glfwWindowShouldClose(GLFWwindow* handle)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
_GLFW_REQUIRE_INIT_OR_RETURN(0);
return window->closed;
}
GLFWAPI void glfwSetWindowShouldClose(GLFWwindow* handle, int value)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
_GLFW_REQUIRE_INIT();
window->closed = value;
}
GLFWAPI void glfwSetWindowTitle(GLFWwindow* handle, const char* title)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
_GLFW_REQUIRE_INIT();
_glfwPlatformSetWindowTitle(window, title);
}
GLFWAPI void glfwGetWindowPos(GLFWwindow* handle, int* xpos, int* ypos)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
_GLFW_REQUIRE_INIT();
_glfwPlatformGetWindowPos(window, xpos, ypos);
}
GLFWAPI void glfwSetWindowPos(GLFWwindow* handle, int xpos, int ypos)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
_GLFW_REQUIRE_INIT();
if (window->monitor)
{
_glfwInputError(GLFW_INVALID_VALUE,
"Fullscreen windows cannot be positioned");
return;
}
_glfwPlatformSetWindowPos(window, xpos, ypos);
}
GLFWAPI void glfwGetWindowSize(GLFWwindow* handle, int* width, int* height)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
_GLFW_REQUIRE_INIT();
_glfwPlatformGetWindowSize(window, width, height);
}
GLFWAPI void glfwSetWindowSize(GLFWwindow* handle, int width, int height)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
_GLFW_REQUIRE_INIT();
if (window->iconified)
return;
if (window->monitor)
{
window->videoMode.width = width;
window->videoMode.height = height;
}
_glfwPlatformSetWindowSize(window, width, height);
}
GLFWAPI void glfwGetFramebufferSize(GLFWwindow* handle, int* width, int* height)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
_GLFW_REQUIRE_INIT();
_glfwPlatformGetFramebufferSize(window, width, height);
}
GLFWAPI void glfwIconifyWindow(GLFWwindow* handle)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
_GLFW_REQUIRE_INIT();
if (window->iconified)
return;
_glfwPlatformIconifyWindow(window);
}
GLFWAPI void glfwRestoreWindow(GLFWwindow* handle)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
_GLFW_REQUIRE_INIT();
if (!window->iconified)
return;
_glfwPlatformRestoreWindow(window);
}
GLFWAPI void glfwShowWindow(GLFWwindow* handle)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
_GLFW_REQUIRE_INIT();
if (window->monitor)
return;
_glfwPlatformShowWindow(window);
}
GLFWAPI void glfwHideWindow(GLFWwindow* handle)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
_GLFW_REQUIRE_INIT();
if (window->monitor)
return;
_glfwPlatformHideWindow(window);
}
GLFWAPI int glfwGetWindowAttrib(GLFWwindow* handle, int attrib)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
_GLFW_REQUIRE_INIT_OR_RETURN(0);
switch (attrib)
{
case GLFW_FOCUSED:
return window == _glfw.focusedWindow;
case GLFW_ICONIFIED:
return window->iconified;
case GLFW_RESIZABLE:
return window->resizable;
case GLFW_DECORATED:
return window->decorated;
case GLFW_VISIBLE:
return window->visible;
case GLFW_CLIENT_API:
return window->clientAPI;
case GLFW_CONTEXT_VERSION_MAJOR:
return window->glMajor;
case GLFW_CONTEXT_VERSION_MINOR:
return window->glMinor;
case GLFW_CONTEXT_REVISION:
return window->glRevision;
case GLFW_CONTEXT_ROBUSTNESS:
return window->glRobustness;
case GLFW_OPENGL_FORWARD_COMPAT:
return window->glForward;
case GLFW_OPENGL_DEBUG_CONTEXT:
return window->glDebug;
case GLFW_OPENGL_PROFILE:
return window->glProfile;
}
_glfwInputError(GLFW_INVALID_ENUM, NULL);
return 0;
}
GLFWAPI GLFWmonitor* glfwGetWindowMonitor(GLFWwindow* handle)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
return (GLFWmonitor*) window->monitor;
}
GLFWAPI void glfwSetWindowUserPointer(GLFWwindow* handle, void* pointer)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
_GLFW_REQUIRE_INIT();
window->userPointer = pointer;
}
GLFWAPI void* glfwGetWindowUserPointer(GLFWwindow* handle)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
return window->userPointer;
}
GLFWAPI GLFWwindowposfun glfwSetWindowPosCallback(GLFWwindow* handle,
GLFWwindowposfun cbfun)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
_GLFW_SWAP_POINTERS(window->callbacks.pos, cbfun);
return cbfun;
}
GLFWAPI GLFWwindowsizefun glfwSetWindowSizeCallback(GLFWwindow* handle,
GLFWwindowsizefun cbfun)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
_GLFW_SWAP_POINTERS(window->callbacks.size, cbfun);
return cbfun;
}
GLFWAPI GLFWwindowclosefun glfwSetWindowCloseCallback(GLFWwindow* handle,
GLFWwindowclosefun cbfun)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
_GLFW_SWAP_POINTERS(window->callbacks.close, cbfun);
return cbfun;
}
GLFWAPI GLFWwindowrefreshfun glfwSetWindowRefreshCallback(GLFWwindow* handle,
GLFWwindowrefreshfun cbfun)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
_GLFW_SWAP_POINTERS(window->callbacks.refresh, cbfun);
return cbfun;
}
GLFWAPI GLFWwindowfocusfun glfwSetWindowFocusCallback(GLFWwindow* handle,
GLFWwindowfocusfun cbfun)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
_GLFW_SWAP_POINTERS(window->callbacks.focus, cbfun);
return cbfun;
}
GLFWAPI GLFWwindowiconifyfun glfwSetWindowIconifyCallback(GLFWwindow* handle,
GLFWwindowiconifyfun cbfun)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
_GLFW_SWAP_POINTERS(window->callbacks.iconify, cbfun);
return cbfun;
}
GLFWAPI GLFWframebuffersizefun glfwSetFramebufferSizeCallback(GLFWwindow* handle,
GLFWframebuffersizefun cbfun)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
_GLFW_SWAP_POINTERS(window->callbacks.fbsize, cbfun);
return cbfun;
}
GLFWAPI void glfwPollEvents(void)
{
_GLFW_REQUIRE_INIT();
_glfwPlatformPollEvents();
}
GLFWAPI void glfwWaitEvents(void)
{
_GLFW_REQUIRE_INIT();
_glfwPlatformWaitEvents();
}

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extern/glfw-3.0.4/src/x11_clipboard.c vendored Normal file
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@@ -0,0 +1,335 @@
//========================================================================
// GLFW 3.0 X11 - www.glfw.org
//------------------------------------------------------------------------
// Copyright (c) 2010 Camilla Berglund <elmindreda@elmindreda.org>
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would
// be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such, and must not
// be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source
// distribution.
//
//========================================================================
#include "internal.h"
#include <stdio.h>
#include <limits.h>
#include <string.h>
#include <stdlib.h>
// Returns whether the event is a selection event
//
static Bool isSelectionMessage(Display* display, XEvent* event, XPointer pointer)
{
return event->type == SelectionRequest ||
event->type == SelectionNotify ||
event->type == SelectionClear;
}
// Set the specified property to the selection converted to the requested target
//
static Atom writeTargetToProperty(const XSelectionRequestEvent* request)
{
int i;
const Atom formats[] = { _glfw.x11.UTF8_STRING,
_glfw.x11.COMPOUND_STRING,
XA_STRING };
const int formatCount = sizeof(formats) / sizeof(formats[0]);
if (request->property == None)
{
// The requestor is a legacy client (ICCCM section 2.2)
// We don't support legacy clients, so fail here
return None;
}
if (request->target == _glfw.x11.TARGETS)
{
// The list of supported targets was requested
const Atom targets[] = { _glfw.x11.TARGETS,
_glfw.x11.MULTIPLE,
_glfw.x11.UTF8_STRING,
_glfw.x11.COMPOUND_STRING,
XA_STRING };
XChangeProperty(_glfw.x11.display,
request->requestor,
request->property,
XA_ATOM,
32,
PropModeReplace,
(unsigned char*) targets,
sizeof(targets) / sizeof(targets[0]));
return request->property;
}
if (request->target == _glfw.x11.MULTIPLE)
{
// Multiple conversions were requested
Atom* targets;
unsigned long i, count;
count = _glfwGetWindowProperty(request->requestor,
request->property,
_glfw.x11.ATOM_PAIR,
(unsigned char**) &targets);
for (i = 0; i < count; i += 2)
{
int j;
for (j = 0; j < formatCount; j++)
{
if (targets[i] == formats[j])
break;
}
if (j < formatCount)
{
XChangeProperty(_glfw.x11.display,
request->requestor,
targets[i + 1],
targets[i],
8,
PropModeReplace,
(unsigned char*) _glfw.x11.selection.string,
strlen(_glfw.x11.selection.string));
}
else
targets[i + 1] = None;
}
XChangeProperty(_glfw.x11.display,
request->requestor,
request->property,
_glfw.x11.ATOM_PAIR,
32,
PropModeReplace,
(unsigned char*) targets,
count);
XFree(targets);
return request->property;
}
if (request->target == _glfw.x11.SAVE_TARGETS)
{
// The request is a check whether we support SAVE_TARGETS
// It should be handled as a no-op side effect target
XChangeProperty(_glfw.x11.display,
request->requestor,
request->property,
XInternAtom(_glfw.x11.display, "NULL", False),
32,
PropModeReplace,
NULL,
0);
return request->property;
}
// Conversion to a data target was requested
for (i = 0; i < formatCount; i++)
{
if (request->target == formats[i])
{
// The requested target is one we support
XChangeProperty(_glfw.x11.display,
request->requestor,
request->property,
request->target,
8,
PropModeReplace,
(unsigned char*) _glfw.x11.selection.string,
strlen(_glfw.x11.selection.string));
return request->property;
}
}
// The requested target is not supported
return None;
}
//////////////////////////////////////////////////////////////////////////
////// GLFW internal API //////
//////////////////////////////////////////////////////////////////////////
void _glfwHandleSelectionClear(XEvent* event)
{
free(_glfw.x11.selection.string);
_glfw.x11.selection.string = NULL;
}
void _glfwHandleSelectionRequest(XEvent* event)
{
const XSelectionRequestEvent* request = &event->xselectionrequest;
XEvent response;
memset(&response, 0, sizeof(response));
response.xselection.property = writeTargetToProperty(request);
response.xselection.type = SelectionNotify;
response.xselection.display = request->display;
response.xselection.requestor = request->requestor;
response.xselection.selection = request->selection;
response.xselection.target = request->target;
response.xselection.time = request->time;
XSendEvent(_glfw.x11.display, request->requestor, False, 0, &response);
}
void _glfwPushSelectionToManager(_GLFWwindow* window)
{
XConvertSelection(_glfw.x11.display,
_glfw.x11.CLIPBOARD_MANAGER,
_glfw.x11.SAVE_TARGETS,
None,
window->x11.handle,
CurrentTime);
for (;;)
{
XEvent event;
if (!XCheckIfEvent(_glfw.x11.display, &event, isSelectionMessage, NULL))
continue;
switch (event.type)
{
case SelectionRequest:
_glfwHandleSelectionRequest(&event);
break;
case SelectionClear:
_glfwHandleSelectionClear(&event);
break;
case SelectionNotify:
{
if (event.xselection.target == _glfw.x11.SAVE_TARGETS)
{
// This means one of two things; either the selection was
// not owned, which means there is no clipboard manager, or
// the transfer to the clipboard manager has completed
// In either case, it means we are done here
return;
}
break;
}
}
}
}
//////////////////////////////////////////////////////////////////////////
////// GLFW platform API //////
//////////////////////////////////////////////////////////////////////////
void _glfwPlatformSetClipboardString(_GLFWwindow* window, const char* string)
{
free(_glfw.x11.selection.string);
_glfw.x11.selection.string = strdup(string);
XSetSelectionOwner(_glfw.x11.display,
_glfw.x11.CLIPBOARD,
window->x11.handle, CurrentTime);
if (XGetSelectionOwner(_glfw.x11.display, _glfw.x11.CLIPBOARD) !=
window->x11.handle)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"X11: Failed to become owner of the clipboard selection");
}
}
const char* _glfwPlatformGetClipboardString(_GLFWwindow* window)
{
size_t i;
const Atom formats[] = { _glfw.x11.UTF8_STRING,
_glfw.x11.COMPOUND_STRING,
XA_STRING };
const size_t formatCount = sizeof(formats) / sizeof(formats[0]);
if (_glfwFindWindowByHandle(XGetSelectionOwner(_glfw.x11.display,
_glfw.x11.CLIPBOARD)))
{
// Instead of doing a large number of X round-trips just to put this
// string into a window property and then read it back, just return it
return _glfw.x11.selection.string;
}
free(_glfw.x11.selection.string);
_glfw.x11.selection.string = NULL;
for (i = 0; i < formatCount; i++)
{
char* data;
XEvent event;
XConvertSelection(_glfw.x11.display,
_glfw.x11.CLIPBOARD,
formats[i],
_glfw.x11.GLFW_SELECTION,
window->x11.handle, CurrentTime);
// XCheckTypedEvent is used instead of XIfEvent in order not to lock
// other threads out from the display during the entire wait period
while (!XCheckTypedEvent(_glfw.x11.display, SelectionNotify, &event))
;
if (event.xselection.property == None)
continue;
if (_glfwGetWindowProperty(event.xselection.requestor,
event.xselection.property,
event.xselection.target,
(unsigned char**) &data))
{
_glfw.x11.selection.string = strdup(data);
}
XFree(data);
XDeleteProperty(_glfw.x11.display,
event.xselection.requestor,
event.xselection.property);
if (_glfw.x11.selection.string)
break;
}
if (_glfw.x11.selection.string == NULL)
{
_glfwInputError(GLFW_FORMAT_UNAVAILABLE,
"X11: Failed to convert selection to string");
}
return _glfw.x11.selection.string;
}

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//========================================================================
// GLFW 3.0 X11 - www.glfw.org
//------------------------------------------------------------------------
// Copyright (c) 2010 Camilla Berglund <elmindreda@elmindreda.org>
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would
// be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such, and must not
// be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source
// distribution.
//
//========================================================================
#include "internal.h"
#include <limits.h>
#include <string.h>
//////////////////////////////////////////////////////////////////////////
////// GLFW internal API //////
//////////////////////////////////////////////////////////////////////////
// Detect gamma ramp support
//
void _glfwInitGammaRamp(void)
{
// RandR gamma support is only available with version 1.2 and above
if (_glfw.x11.randr.available &&
(_glfw.x11.randr.versionMajor > 1 ||
(_glfw.x11.randr.versionMajor == 1 &&
_glfw.x11.randr.versionMinor >= 2)))
{
// FIXME: Assumes that all monitors have the same size gamma tables
// This is reasonable as I suspect the that if they did differ, it
// would imply that setting the gamma size to an arbitary size is
// possible as well.
XRRScreenResources* rr = XRRGetScreenResources(_glfw.x11.display,
_glfw.x11.root);
if (XRRGetCrtcGammaSize(_glfw.x11.display, rr->crtcs[0]) == 0)
{
// This is probably older Nvidia RandR with broken gamma support
// Flag it as useless and try Xf86VidMode below, if available
_glfw.x11.randr.gammaBroken = GL_TRUE;
}
XRRFreeScreenResources(rr);
}
}
//////////////////////////////////////////////////////////////////////////
////// GLFW platform API //////
//////////////////////////////////////////////////////////////////////////
void _glfwPlatformGetGammaRamp(_GLFWmonitor* monitor, GLFWgammaramp* ramp)
{
if (_glfw.x11.randr.available && !_glfw.x11.randr.gammaBroken)
{
const size_t size = XRRGetCrtcGammaSize(_glfw.x11.display,
monitor->x11.crtc);
XRRCrtcGamma* gamma = XRRGetCrtcGamma(_glfw.x11.display,
monitor->x11.crtc);
_glfwAllocGammaArrays(ramp, size);
memcpy(ramp->red, gamma->red, size * sizeof(unsigned short));
memcpy(ramp->green, gamma->green, size * sizeof(unsigned short));
memcpy(ramp->blue, gamma->blue, size * sizeof(unsigned short));
XRRFreeGamma(gamma);
}
else if (_glfw.x11.vidmode.available)
{
int size;
XF86VidModeGetGammaRampSize(_glfw.x11.display, _glfw.x11.screen, &size);
_glfwAllocGammaArrays(ramp, size);
XF86VidModeGetGammaRamp(_glfw.x11.display,
_glfw.x11.screen,
ramp->size, ramp->red, ramp->green, ramp->blue);
}
}
void _glfwPlatformSetGammaRamp(_GLFWmonitor* monitor, const GLFWgammaramp* ramp)
{
if (_glfw.x11.randr.available && !_glfw.x11.randr.gammaBroken)
{
XRRCrtcGamma* gamma = XRRAllocGamma(ramp->size);
memcpy(gamma->red, ramp->red, ramp->size * sizeof(unsigned short));
memcpy(gamma->green, ramp->green, ramp->size * sizeof(unsigned short));
memcpy(gamma->blue, ramp->blue, ramp->size * sizeof(unsigned short));
XRRSetCrtcGamma(_glfw.x11.display, monitor->x11.crtc, gamma);
XRRFreeGamma(gamma);
}
else if (_glfw.x11.vidmode.available)
{
XF86VidModeSetGammaRamp(_glfw.x11.display,
_glfw.x11.screen,
ramp->size,
(unsigned short*) ramp->red,
(unsigned short*) ramp->green,
(unsigned short*) ramp->blue);
}
}

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//========================================================================
// GLFW 3.0 X11 - www.glfw.org
//------------------------------------------------------------------------
// Copyright (c) 2002-2006 Marcus Geelnard
// Copyright (c) 2006-2010 Camilla Berglund <elmindreda@elmindreda.org>
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would
// be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such, and must not
// be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source
// distribution.
//
//========================================================================
#include "internal.h"
#include <X11/Xresource.h>
#include <stdlib.h>
#include <string.h>
#include <limits.h>
// Translate an X11 key code to a GLFW key code.
//
static int translateKey(int keyCode)
{
int keySym;
// Valid key code range is [8,255], according to the XLib manual
if (keyCode < 8 || keyCode > 255)
return GLFW_KEY_UNKNOWN;
// Try secondary keysym, for numeric keypad keys
// Note: This way we always force "NumLock = ON", which is intentional
// since the returned key code should correspond to a physical
// location.
keySym = XkbKeycodeToKeysym(_glfw.x11.display, keyCode, 0, 1);
switch (keySym)
{
case XK_KP_0: return GLFW_KEY_KP_0;
case XK_KP_1: return GLFW_KEY_KP_1;
case XK_KP_2: return GLFW_KEY_KP_2;
case XK_KP_3: return GLFW_KEY_KP_3;
case XK_KP_4: return GLFW_KEY_KP_4;
case XK_KP_5: return GLFW_KEY_KP_5;
case XK_KP_6: return GLFW_KEY_KP_6;
case XK_KP_7: return GLFW_KEY_KP_7;
case XK_KP_8: return GLFW_KEY_KP_8;
case XK_KP_9: return GLFW_KEY_KP_9;
case XK_KP_Separator:
case XK_KP_Decimal: return GLFW_KEY_KP_DECIMAL;
case XK_KP_Equal: return GLFW_KEY_KP_EQUAL;
case XK_KP_Enter: return GLFW_KEY_KP_ENTER;
default: break;
}
// Now try pimary keysym for function keys (non-printable keys). These
// should not be layout dependent (i.e. US layout and international
// layouts should give the same result).
keySym = XkbKeycodeToKeysym(_glfw.x11.display, keyCode, 0, 0);
switch (keySym)
{
case XK_Escape: return GLFW_KEY_ESCAPE;
case XK_Tab: return GLFW_KEY_TAB;
case XK_Shift_L: return GLFW_KEY_LEFT_SHIFT;
case XK_Shift_R: return GLFW_KEY_RIGHT_SHIFT;
case XK_Control_L: return GLFW_KEY_LEFT_CONTROL;
case XK_Control_R: return GLFW_KEY_RIGHT_CONTROL;
case XK_Meta_L:
case XK_Alt_L: return GLFW_KEY_LEFT_ALT;
case XK_Mode_switch: // Mapped to Alt_R on many keyboards
case XK_ISO_Level3_Shift: // AltGr on at least some machines
case XK_Meta_R:
case XK_Alt_R: return GLFW_KEY_RIGHT_ALT;
case XK_Super_L: return GLFW_KEY_LEFT_SUPER;
case XK_Super_R: return GLFW_KEY_RIGHT_SUPER;
case XK_Menu: return GLFW_KEY_MENU;
case XK_Num_Lock: return GLFW_KEY_NUM_LOCK;
case XK_Caps_Lock: return GLFW_KEY_CAPS_LOCK;
case XK_Print: return GLFW_KEY_PRINT_SCREEN;
case XK_Scroll_Lock: return GLFW_KEY_SCROLL_LOCK;
case XK_Pause: return GLFW_KEY_PAUSE;
case XK_Delete: return GLFW_KEY_DELETE;
case XK_BackSpace: return GLFW_KEY_BACKSPACE;
case XK_Return: return GLFW_KEY_ENTER;
case XK_Home: return GLFW_KEY_HOME;
case XK_End: return GLFW_KEY_END;
case XK_Page_Up: return GLFW_KEY_PAGE_UP;
case XK_Page_Down: return GLFW_KEY_PAGE_DOWN;
case XK_Insert: return GLFW_KEY_INSERT;
case XK_Left: return GLFW_KEY_LEFT;
case XK_Right: return GLFW_KEY_RIGHT;
case XK_Down: return GLFW_KEY_DOWN;
case XK_Up: return GLFW_KEY_UP;
case XK_F1: return GLFW_KEY_F1;
case XK_F2: return GLFW_KEY_F2;
case XK_F3: return GLFW_KEY_F3;
case XK_F4: return GLFW_KEY_F4;
case XK_F5: return GLFW_KEY_F5;
case XK_F6: return GLFW_KEY_F6;
case XK_F7: return GLFW_KEY_F7;
case XK_F8: return GLFW_KEY_F8;
case XK_F9: return GLFW_KEY_F9;
case XK_F10: return GLFW_KEY_F10;
case XK_F11: return GLFW_KEY_F11;
case XK_F12: return GLFW_KEY_F12;
case XK_F13: return GLFW_KEY_F13;
case XK_F14: return GLFW_KEY_F14;
case XK_F15: return GLFW_KEY_F15;
case XK_F16: return GLFW_KEY_F16;
case XK_F17: return GLFW_KEY_F17;
case XK_F18: return GLFW_KEY_F18;
case XK_F19: return GLFW_KEY_F19;
case XK_F20: return GLFW_KEY_F20;
case XK_F21: return GLFW_KEY_F21;
case XK_F22: return GLFW_KEY_F22;
case XK_F23: return GLFW_KEY_F23;
case XK_F24: return GLFW_KEY_F24;
case XK_F25: return GLFW_KEY_F25;
// Numeric keypad
case XK_KP_Divide: return GLFW_KEY_KP_DIVIDE;
case XK_KP_Multiply: return GLFW_KEY_KP_MULTIPLY;
case XK_KP_Subtract: return GLFW_KEY_KP_SUBTRACT;
case XK_KP_Add: return GLFW_KEY_KP_ADD;
// These should have been detected in secondary keysym test above!
case XK_KP_Insert: return GLFW_KEY_KP_0;
case XK_KP_End: return GLFW_KEY_KP_1;
case XK_KP_Down: return GLFW_KEY_KP_2;
case XK_KP_Page_Down: return GLFW_KEY_KP_3;
case XK_KP_Left: return GLFW_KEY_KP_4;
case XK_KP_Right: return GLFW_KEY_KP_6;
case XK_KP_Home: return GLFW_KEY_KP_7;
case XK_KP_Up: return GLFW_KEY_KP_8;
case XK_KP_Page_Up: return GLFW_KEY_KP_9;
case XK_KP_Delete: return GLFW_KEY_KP_DECIMAL;
case XK_KP_Equal: return GLFW_KEY_KP_EQUAL;
case XK_KP_Enter: return GLFW_KEY_KP_ENTER;
// Last resort: Check for printable keys (should not happen if the XKB
// extension is available). This will give a layout dependent mapping
// (which is wrong, and we may miss some keys, especially on non-US
// keyboards), but it's better than nothing...
case XK_a: return GLFW_KEY_A;
case XK_b: return GLFW_KEY_B;
case XK_c: return GLFW_KEY_C;
case XK_d: return GLFW_KEY_D;
case XK_e: return GLFW_KEY_E;
case XK_f: return GLFW_KEY_F;
case XK_g: return GLFW_KEY_G;
case XK_h: return GLFW_KEY_H;
case XK_i: return GLFW_KEY_I;
case XK_j: return GLFW_KEY_J;
case XK_k: return GLFW_KEY_K;
case XK_l: return GLFW_KEY_L;
case XK_m: return GLFW_KEY_M;
case XK_n: return GLFW_KEY_N;
case XK_o: return GLFW_KEY_O;
case XK_p: return GLFW_KEY_P;
case XK_q: return GLFW_KEY_Q;
case XK_r: return GLFW_KEY_R;
case XK_s: return GLFW_KEY_S;
case XK_t: return GLFW_KEY_T;
case XK_u: return GLFW_KEY_U;
case XK_v: return GLFW_KEY_V;
case XK_w: return GLFW_KEY_W;
case XK_x: return GLFW_KEY_X;
case XK_y: return GLFW_KEY_Y;
case XK_z: return GLFW_KEY_Z;
case XK_1: return GLFW_KEY_1;
case XK_2: return GLFW_KEY_2;
case XK_3: return GLFW_KEY_3;
case XK_4: return GLFW_KEY_4;
case XK_5: return GLFW_KEY_5;
case XK_6: return GLFW_KEY_6;
case XK_7: return GLFW_KEY_7;
case XK_8: return GLFW_KEY_8;
case XK_9: return GLFW_KEY_9;
case XK_0: return GLFW_KEY_0;
case XK_space: return GLFW_KEY_SPACE;
case XK_minus: return GLFW_KEY_MINUS;
case XK_equal: return GLFW_KEY_EQUAL;
case XK_bracketleft: return GLFW_KEY_LEFT_BRACKET;
case XK_bracketright: return GLFW_KEY_RIGHT_BRACKET;
case XK_backslash: return GLFW_KEY_BACKSLASH;
case XK_semicolon: return GLFW_KEY_SEMICOLON;
case XK_apostrophe: return GLFW_KEY_APOSTROPHE;
case XK_grave: return GLFW_KEY_GRAVE_ACCENT;
case XK_comma: return GLFW_KEY_COMMA;
case XK_period: return GLFW_KEY_PERIOD;
case XK_slash: return GLFW_KEY_SLASH;
case XK_less: return GLFW_KEY_WORLD_1; // At least in some layouts...
default: break;
}
// No matching translation was found
return GLFW_KEY_UNKNOWN;
}
// Update the key code LUT
//
static void updateKeyCodeLUT(void)
{
int i, keyCode, keyCodeGLFW;
char name[XkbKeyNameLength + 1];
XkbDescPtr descr;
// Clear the LUT
for (keyCode = 0; keyCode < 256; keyCode++)
_glfw.x11.keyCodeLUT[keyCode] = GLFW_KEY_UNKNOWN;
// Use XKB to determine physical key locations independently of the current
// keyboard layout
// Get keyboard description
descr = XkbGetKeyboard(_glfw.x11.display,
XkbAllComponentsMask,
XkbUseCoreKbd);
// Find the X11 key code -> GLFW key code mapping
for (keyCode = descr->min_key_code; keyCode <= descr->max_key_code; ++keyCode)
{
// Get the key name
for (i = 0; i < XkbKeyNameLength; i++)
name[i] = descr->names->keys[keyCode].name[i];
name[XkbKeyNameLength] = 0;
// Map the key name to a GLFW key code. Note: We only map printable
// keys here, and we use the US keyboard layout. The rest of the
// keys (function keys) are mapped using traditional KeySym
// translations.
if (strcmp(name, "TLDE") == 0) keyCodeGLFW = GLFW_KEY_GRAVE_ACCENT;
else if (strcmp(name, "AE01") == 0) keyCodeGLFW = GLFW_KEY_1;
else if (strcmp(name, "AE02") == 0) keyCodeGLFW = GLFW_KEY_2;
else if (strcmp(name, "AE03") == 0) keyCodeGLFW = GLFW_KEY_3;
else if (strcmp(name, "AE04") == 0) keyCodeGLFW = GLFW_KEY_4;
else if (strcmp(name, "AE05") == 0) keyCodeGLFW = GLFW_KEY_5;
else if (strcmp(name, "AE06") == 0) keyCodeGLFW = GLFW_KEY_6;
else if (strcmp(name, "AE07") == 0) keyCodeGLFW = GLFW_KEY_7;
else if (strcmp(name, "AE08") == 0) keyCodeGLFW = GLFW_KEY_8;
else if (strcmp(name, "AE09") == 0) keyCodeGLFW = GLFW_KEY_9;
else if (strcmp(name, "AE10") == 0) keyCodeGLFW = GLFW_KEY_0;
else if (strcmp(name, "AE11") == 0) keyCodeGLFW = GLFW_KEY_MINUS;
else if (strcmp(name, "AE12") == 0) keyCodeGLFW = GLFW_KEY_EQUAL;
else if (strcmp(name, "AD01") == 0) keyCodeGLFW = GLFW_KEY_Q;
else if (strcmp(name, "AD02") == 0) keyCodeGLFW = GLFW_KEY_W;
else if (strcmp(name, "AD03") == 0) keyCodeGLFW = GLFW_KEY_E;
else if (strcmp(name, "AD04") == 0) keyCodeGLFW = GLFW_KEY_R;
else if (strcmp(name, "AD05") == 0) keyCodeGLFW = GLFW_KEY_T;
else if (strcmp(name, "AD06") == 0) keyCodeGLFW = GLFW_KEY_Y;
else if (strcmp(name, "AD07") == 0) keyCodeGLFW = GLFW_KEY_U;
else if (strcmp(name, "AD08") == 0) keyCodeGLFW = GLFW_KEY_I;
else if (strcmp(name, "AD09") == 0) keyCodeGLFW = GLFW_KEY_O;
else if (strcmp(name, "AD10") == 0) keyCodeGLFW = GLFW_KEY_P;
else if (strcmp(name, "AD11") == 0) keyCodeGLFW = GLFW_KEY_LEFT_BRACKET;
else if (strcmp(name, "AD12") == 0) keyCodeGLFW = GLFW_KEY_RIGHT_BRACKET;
else if (strcmp(name, "AC01") == 0) keyCodeGLFW = GLFW_KEY_A;
else if (strcmp(name, "AC02") == 0) keyCodeGLFW = GLFW_KEY_S;
else if (strcmp(name, "AC03") == 0) keyCodeGLFW = GLFW_KEY_D;
else if (strcmp(name, "AC04") == 0) keyCodeGLFW = GLFW_KEY_F;
else if (strcmp(name, "AC05") == 0) keyCodeGLFW = GLFW_KEY_G;
else if (strcmp(name, "AC06") == 0) keyCodeGLFW = GLFW_KEY_H;
else if (strcmp(name, "AC07") == 0) keyCodeGLFW = GLFW_KEY_J;
else if (strcmp(name, "AC08") == 0) keyCodeGLFW = GLFW_KEY_K;
else if (strcmp(name, "AC09") == 0) keyCodeGLFW = GLFW_KEY_L;
else if (strcmp(name, "AC10") == 0) keyCodeGLFW = GLFW_KEY_SEMICOLON;
else if (strcmp(name, "AC11") == 0) keyCodeGLFW = GLFW_KEY_APOSTROPHE;
else if (strcmp(name, "AB01") == 0) keyCodeGLFW = GLFW_KEY_Z;
else if (strcmp(name, "AB02") == 0) keyCodeGLFW = GLFW_KEY_X;
else if (strcmp(name, "AB03") == 0) keyCodeGLFW = GLFW_KEY_C;
else if (strcmp(name, "AB04") == 0) keyCodeGLFW = GLFW_KEY_V;
else if (strcmp(name, "AB05") == 0) keyCodeGLFW = GLFW_KEY_B;
else if (strcmp(name, "AB06") == 0) keyCodeGLFW = GLFW_KEY_N;
else if (strcmp(name, "AB07") == 0) keyCodeGLFW = GLFW_KEY_M;
else if (strcmp(name, "AB08") == 0) keyCodeGLFW = GLFW_KEY_COMMA;
else if (strcmp(name, "AB09") == 0) keyCodeGLFW = GLFW_KEY_PERIOD;
else if (strcmp(name, "AB10") == 0) keyCodeGLFW = GLFW_KEY_SLASH;
else if (strcmp(name, "BKSL") == 0) keyCodeGLFW = GLFW_KEY_BACKSLASH;
else if (strcmp(name, "LSGT") == 0) keyCodeGLFW = GLFW_KEY_WORLD_1;
else keyCodeGLFW = GLFW_KEY_UNKNOWN;
// Update the key code LUT
if ((keyCode >= 0) && (keyCode < 256))
_glfw.x11.keyCodeLUT[keyCode] = keyCodeGLFW;
}
// Free the keyboard description
XkbFreeKeyboard(descr, 0, True);
// Translate the un-translated key codes using traditional X11 KeySym
// lookups
for (keyCode = 0; keyCode < 256; keyCode++)
{
if (_glfw.x11.keyCodeLUT[keyCode] < 0)
_glfw.x11.keyCodeLUT[keyCode] = translateKey(keyCode);
}
}
// Check whether the specified atom is supported
//
static Atom getSupportedAtom(Atom* supportedAtoms,
unsigned long atomCount,
const char* atomName)
{
Atom atom = XInternAtom(_glfw.x11.display, atomName, True);
if (atom != None)
{
unsigned long i;
for (i = 0; i < atomCount; i++)
{
if (supportedAtoms[i] == atom)
return atom;
}
}
return None;
}
// Check whether the running window manager is EWMH-compliant
//
static void detectEWMH(void)
{
Window* windowFromRoot = NULL;
Window* windowFromChild = NULL;
// First we need a couple of atoms, which should already be there
Atom supportingWmCheck =
XInternAtom(_glfw.x11.display, "_NET_SUPPORTING_WM_CHECK", True);
Atom wmSupported =
XInternAtom(_glfw.x11.display, "_NET_SUPPORTED", True);
if (supportingWmCheck == None || wmSupported == None)
return;
// Then we look for the _NET_SUPPORTING_WM_CHECK property of the root window
if (_glfwGetWindowProperty(_glfw.x11.root,
supportingWmCheck,
XA_WINDOW,
(unsigned char**) &windowFromRoot) != 1)
{
XFree(windowFromRoot);
return;
}
// It should be the ID of a child window (of the root)
// Then we look for the same property on the child window
if (_glfwGetWindowProperty(*windowFromRoot,
supportingWmCheck,
XA_WINDOW,
(unsigned char**) &windowFromChild) != 1)
{
XFree(windowFromRoot);
XFree(windowFromChild);
return;
}
// It should be the ID of that same child window
if (*windowFromRoot != *windowFromChild)
{
XFree(windowFromRoot);
XFree(windowFromChild);
return;
}
XFree(windowFromRoot);
XFree(windowFromChild);
// We are now fairly sure that an EWMH-compliant window manager is running
Atom* supportedAtoms;
unsigned long atomCount;
// Now we need to check the _NET_SUPPORTED property of the root window
// It should be a list of supported WM protocol and state atoms
atomCount = _glfwGetWindowProperty(_glfw.x11.root,
wmSupported,
XA_ATOM,
(unsigned char**) &supportedAtoms);
// See which of the atoms we support that are supported by the WM
_glfw.x11.NET_WM_STATE =
getSupportedAtom(supportedAtoms, atomCount, "_NET_WM_STATE");
_glfw.x11.NET_WM_STATE_FULLSCREEN =
getSupportedAtom(supportedAtoms, atomCount, "_NET_WM_STATE_FULLSCREEN");
_glfw.x11.NET_WM_NAME =
getSupportedAtom(supportedAtoms, atomCount, "_NET_WM_NAME");
_glfw.x11.NET_WM_ICON_NAME =
getSupportedAtom(supportedAtoms, atomCount, "_NET_WM_ICON_NAME");
_glfw.x11.NET_WM_PID =
getSupportedAtom(supportedAtoms, atomCount, "_NET_WM_PID");
_glfw.x11.NET_WM_PING =
getSupportedAtom(supportedAtoms, atomCount, "_NET_WM_PING");
_glfw.x11.NET_ACTIVE_WINDOW =
getSupportedAtom(supportedAtoms, atomCount, "_NET_ACTIVE_WINDOW");
_glfw.x11.NET_WM_BYPASS_COMPOSITOR =
getSupportedAtom(supportedAtoms, atomCount, "_NET_WM_BYPASS_COMPOSITOR");
XFree(supportedAtoms);
_glfw.x11.hasEWMH = GL_TRUE;
}
// Initialize X11 display and look for supported X11 extensions
//
static GLboolean initExtensions(void)
{
Bool supported;
// Find or create window manager atoms
_glfw.x11.WM_STATE = XInternAtom(_glfw.x11.display, "WM_STATE", False);
_glfw.x11.WM_DELETE_WINDOW = XInternAtom(_glfw.x11.display,
"WM_DELETE_WINDOW",
False);
_glfw.x11.MOTIF_WM_HINTS = XInternAtom(_glfw.x11.display,
"_MOTIF_WM_HINTS",
False);
// Check for XF86VidMode extension
_glfw.x11.vidmode.available =
XF86VidModeQueryExtension(_glfw.x11.display,
&_glfw.x11.vidmode.eventBase,
&_glfw.x11.vidmode.errorBase);
// Check for RandR extension
_glfw.x11.randr.available =
XRRQueryExtension(_glfw.x11.display,
&_glfw.x11.randr.eventBase,
&_glfw.x11.randr.errorBase);
if (_glfw.x11.randr.available)
{
if (!XRRQueryVersion(_glfw.x11.display,
&_glfw.x11.randr.versionMajor,
&_glfw.x11.randr.versionMinor))
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"X11: Failed to query RandR version");
return GL_FALSE;
}
// The GLFW RandR path requires at least version 1.3
if (_glfw.x11.randr.versionMajor == 1 &&
_glfw.x11.randr.versionMinor < 3)
{
_glfw.x11.randr.available = GL_FALSE;
}
}
if (XQueryExtension(_glfw.x11.display,
"XInputExtension",
&_glfw.x11.xi.majorOpcode,
&_glfw.x11.xi.eventBase,
&_glfw.x11.xi.errorBase))
{
_glfw.x11.xi.versionMajor = 2;
_glfw.x11.xi.versionMinor = 0;
if (XIQueryVersion(_glfw.x11.display,
&_glfw.x11.xi.versionMajor,
&_glfw.x11.xi.versionMinor) != BadRequest)
{
_glfw.x11.xi.available = GL_TRUE;
}
}
// Check if Xkb is supported on this display
_glfw.x11.xkb.versionMajor = 1;
_glfw.x11.xkb.versionMinor = 0;
if (!XkbQueryExtension(_glfw.x11.display,
&_glfw.x11.xkb.majorOpcode,
&_glfw.x11.xkb.eventBase,
&_glfw.x11.xkb.errorBase,
&_glfw.x11.xkb.versionMajor,
&_glfw.x11.xkb.versionMinor))
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"X11: The keyboard extension is not available");
return GL_FALSE;
}
if (!XkbSetDetectableAutoRepeat(_glfw.x11.display, True, &supported))
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"X11: Failed to set detectable key repeat");
return GL_FALSE;
}
if (!supported)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"X11: Detectable key repeat is not supported");
return GL_FALSE;
}
// Update the key code LUT
// FIXME: We should listen to XkbMapNotify events to track changes to
// the keyboard mapping.
updateKeyCodeLUT();
// Detect whether an EWMH-conformant window manager is running
detectEWMH();
// Find or create string format atoms
_glfw.x11.UTF8_STRING =
XInternAtom(_glfw.x11.display, "UTF8_STRING", False);
_glfw.x11.COMPOUND_STRING =
XInternAtom(_glfw.x11.display, "COMPOUND_STRING", False);
_glfw.x11.ATOM_PAIR = XInternAtom(_glfw.x11.display, "ATOM_PAIR", False);
// Find or create selection property atom
_glfw.x11.GLFW_SELECTION =
XInternAtom(_glfw.x11.display, "GLFW_SELECTION", False);
// Find or create standard clipboard atoms
_glfw.x11.TARGETS = XInternAtom(_glfw.x11.display, "TARGETS", False);
_glfw.x11.MULTIPLE = XInternAtom(_glfw.x11.display, "MULTIPLE", False);
_glfw.x11.CLIPBOARD = XInternAtom(_glfw.x11.display, "CLIPBOARD", False);
// Find or create clipboard manager atoms
_glfw.x11.CLIPBOARD_MANAGER =
XInternAtom(_glfw.x11.display, "CLIPBOARD_MANAGER", False);
_glfw.x11.SAVE_TARGETS =
XInternAtom(_glfw.x11.display, "SAVE_TARGETS", False);
return GL_TRUE;
}
// Create a blank cursor (for locked mouse mode)
//
static Cursor createNULLCursor(void)
{
Pixmap cursormask;
XGCValues xgc;
GC gc;
XColor col;
Cursor cursor;
_glfwGrabXErrorHandler();
cursormask = XCreatePixmap(_glfw.x11.display, _glfw.x11.root, 1, 1, 1);
xgc.function = GXclear;
gc = XCreateGC(_glfw.x11.display, cursormask, GCFunction, &xgc);
XFillRectangle(_glfw.x11.display, cursormask, gc, 0, 0, 1, 1);
col.pixel = 0;
col.red = 0;
col.flags = 4;
cursor = XCreatePixmapCursor(_glfw.x11.display,
cursormask, cursormask,
&col, &col, 0, 0);
XFreePixmap(_glfw.x11.display, cursormask);
XFreeGC(_glfw.x11.display, gc);
_glfwReleaseXErrorHandler();
if (cursor == None)
{
_glfwInputXError(GLFW_PLATFORM_ERROR,
"X11: Failed to create null cursor");
}
return cursor;
}
// Terminate X11 display
//
static void terminateDisplay(void)
{
if (_glfw.x11.display)
{
XCloseDisplay(_glfw.x11.display);
_glfw.x11.display = NULL;
}
}
// X error handler
//
static int errorHandler(Display *display, XErrorEvent* event)
{
_glfw.x11.errorCode = event->error_code;
return 0;
}
//////////////////////////////////////////////////////////////////////////
////// GLFW internal API //////
//////////////////////////////////////////////////////////////////////////
// Install the X error handler
//
void _glfwGrabXErrorHandler(void)
{
_glfw.x11.errorCode = Success;
XSetErrorHandler(errorHandler);
}
// Remove the X error handler
//
void _glfwReleaseXErrorHandler(void)
{
// Synchronize to make sure all commands are processed
XSync(_glfw.x11.display, False);
XSetErrorHandler(NULL);
}
// Report X error
//
void _glfwInputXError(int error, const char* message)
{
char buffer[8192];
XGetErrorText(_glfw.x11.display, _glfw.x11.errorCode,
buffer, sizeof(buffer));
_glfwInputError(error, "%s: %s", message, buffer);
}
//////////////////////////////////////////////////////////////////////////
////// GLFW platform API //////
//////////////////////////////////////////////////////////////////////////
int _glfwPlatformInit(void)
{
XInitThreads();
_glfw.x11.display = XOpenDisplay(NULL);
if (!_glfw.x11.display)
{
_glfwInputError(GLFW_API_UNAVAILABLE, "X11: Failed to open X display");
return GL_FALSE;
}
_glfw.x11.screen = DefaultScreen(_glfw.x11.display);
_glfw.x11.root = RootWindow(_glfw.x11.display, _glfw.x11.screen);
_glfw.x11.context = XUniqueContext();
if (!initExtensions())
return GL_FALSE;
_glfw.x11.cursor = createNULLCursor();
if (!_glfwInitContextAPI())
return GL_FALSE;
_glfwInitTimer();
_glfwInitJoysticks();
_glfwInitGammaRamp();
return GL_TRUE;
}
void _glfwPlatformTerminate(void)
{
if (_glfw.x11.cursor)
{
XFreeCursor(_glfw.x11.display, _glfw.x11.cursor);
_glfw.x11.cursor = (Cursor) 0;
}
free(_glfw.x11.selection.string);
_glfwTerminateJoysticks();
_glfwTerminateContextAPI();
terminateDisplay();
}
const char* _glfwPlatformGetVersionString(void)
{
const char* version = _GLFW_VERSION_NUMBER " X11"
#if defined(_GLFW_GLX)
" GLX"
#elif defined(_GLFW_EGL)
" EGL"
#endif
#if defined(_GLFW_HAS_GLXGETPROCADDRESS)
" glXGetProcAddress"
#elif defined(_GLFW_HAS_GLXGETPROCADDRESSARB)
" glXGetProcAddressARB"
#elif defined(_GLFW_HAS_GLXGETPROCADDRESSEXT)
" glXGetProcAddressEXT"
#elif defined(_GLFW_DLOPEN_LIBGL)
" dlsym(libGL)"
#endif
#if defined(_POSIX_TIMERS) && defined(_POSIX_MONOTONIC_CLOCK)
" clock_gettime"
#endif
#if defined(__linux__)
" /dev/js"
#endif
#if defined(_GLFW_BUILD_DLL)
" shared"
#endif
;
return version;
}

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//========================================================================
// GLFW 3.0 X11 - www.glfw.org
//------------------------------------------------------------------------
// Copyright (c) 2002-2006 Marcus Geelnard
// Copyright (c) 2006-2010 Camilla Berglund <elmindreda@elmindreda.org>
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would
// be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such, and must not
// be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source
// distribution.
//
//========================================================================
#include "internal.h"
#ifdef __linux__
#include <linux/joystick.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <errno.h>
#include <regex.h>
#include <dirent.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#endif // __linux__
// Attempt to open the specified joystick device
//
static int openJoystickDevice(int joy, const char* path)
{
#ifdef __linux__
char axisCount, buttonCount;
char name[256];
int fd, version;
fd = open(path, O_RDONLY | O_NONBLOCK);
if (fd == -1)
return GL_FALSE;
_glfw.x11.joystick[joy].fd = fd;
// Verify that the joystick driver version is at least 1.0
ioctl(fd, JSIOCGVERSION, &version);
if (version < 0x010000)
{
// It's an old 0.x interface (we don't support it)
close(fd);
return GL_FALSE;
}
if (ioctl(fd, JSIOCGNAME(sizeof(name)), name) < 0)
strncpy(name, "Unknown", sizeof(name));
_glfw.x11.joystick[joy].name = strdup(name);
ioctl(fd, JSIOCGAXES, &axisCount);
_glfw.x11.joystick[joy].axisCount = (int) axisCount;
ioctl(fd, JSIOCGBUTTONS, &buttonCount);
_glfw.x11.joystick[joy].buttonCount = (int) buttonCount;
_glfw.x11.joystick[joy].axes = calloc(axisCount, sizeof(float));
_glfw.x11.joystick[joy].buttons = calloc(buttonCount, 1);
_glfw.x11.joystick[joy].present = GL_TRUE;
#endif // __linux__
return GL_TRUE;
}
// Polls for and processes events for all present joysticks
//
static void pollJoystickEvents(void)
{
#ifdef __linux__
int i;
ssize_t result;
struct js_event e;
for (i = 0; i <= GLFW_JOYSTICK_LAST; i++)
{
if (!_glfw.x11.joystick[i].present)
continue;
// Read all queued events (non-blocking)
for (;;)
{
errno = 0;
result = read(_glfw.x11.joystick[i].fd, &e, sizeof(e));
if (errno == ENODEV)
{
free(_glfw.x11.joystick[i].axes);
free(_glfw.x11.joystick[i].buttons);
free(_glfw.x11.joystick[i].name);
_glfw.x11.joystick[i].present = GL_FALSE;
}
if (result == -1)
break;
// We don't care if it's an init event or not
e.type &= ~JS_EVENT_INIT;
switch (e.type)
{
case JS_EVENT_AXIS:
_glfw.x11.joystick[i].axes[e.number] =
(float) e.value / 32767.0f;
break;
case JS_EVENT_BUTTON:
_glfw.x11.joystick[i].buttons[e.number] =
e.value ? GLFW_PRESS : GLFW_RELEASE;
break;
default:
break;
}
}
}
#endif // __linux__
}
//////////////////////////////////////////////////////////////////////////
////// GLFW internal API //////
//////////////////////////////////////////////////////////////////////////
// Initialize joystick interface
//
void _glfwInitJoysticks(void)
{
#ifdef __linux__
int joy = 0;
size_t i;
regex_t regex;
DIR* dir;
const char* dirs[] =
{
"/dev/input",
"/dev"
};
if (regcomp(&regex, "^js[0-9]\\+$", 0) != 0)
{
_glfwInputError(GLFW_PLATFORM_ERROR, "X11: Failed to compile regex");
return;
}
for (i = 0; i < sizeof(dirs) / sizeof(dirs[0]); i++)
{
struct dirent* entry;
dir = opendir(dirs[i]);
if (!dir)
continue;
while ((entry = readdir(dir)))
{
char path[20];
regmatch_t match;
if (regexec(&regex, entry->d_name, 1, &match, 0) != 0)
continue;
snprintf(path, sizeof(path), "%s/%s", dirs[i], entry->d_name);
if (openJoystickDevice(joy, path))
joy++;
}
closedir(dir);
}
regfree(&regex);
#endif // __linux__
}
// Close all opened joystick handles
//
void _glfwTerminateJoysticks(void)
{
#ifdef __linux__
int i;
for (i = 0; i <= GLFW_JOYSTICK_LAST; i++)
{
if (_glfw.x11.joystick[i].present)
{
close(_glfw.x11.joystick[i].fd);
free(_glfw.x11.joystick[i].axes);
free(_glfw.x11.joystick[i].buttons);
free(_glfw.x11.joystick[i].name);
_glfw.x11.joystick[i].present = GL_FALSE;
}
}
#endif // __linux__
}
//////////////////////////////////////////////////////////////////////////
////// GLFW platform API //////
//////////////////////////////////////////////////////////////////////////
int _glfwPlatformJoystickPresent(int joy)
{
pollJoystickEvents();
return _glfw.x11.joystick[joy].present;
}
const float* _glfwPlatformGetJoystickAxes(int joy, int* count)
{
pollJoystickEvents();
if (!_glfw.x11.joystick[joy].present)
return NULL;
*count = _glfw.x11.joystick[joy].axisCount;
return _glfw.x11.joystick[joy].axes;
}
const unsigned char* _glfwPlatformGetJoystickButtons(int joy, int* count)
{
pollJoystickEvents();
if (!_glfw.x11.joystick[joy].present)
return NULL;
*count = _glfw.x11.joystick[joy].buttonCount;
return _glfw.x11.joystick[joy].buttons;
}
const char* _glfwPlatformGetJoystickName(int joy)
{
pollJoystickEvents();
return _glfw.x11.joystick[joy].name;
}

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//========================================================================
// GLFW 3.0 X11 - www.glfw.org
//------------------------------------------------------------------------
// Copyright (c) 2002-2006 Marcus Geelnard
// Copyright (c) 2006-2010 Camilla Berglund <elmindreda@elmindreda.org>
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would
// be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such, and must not
// be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source
// distribution.
//
//========================================================================
#include "internal.h"
#include <limits.h>
#include <stdlib.h>
#include <string.h>
static int calculateRefreshRate(const XRRModeInfo* mi)
{
if (!mi->hTotal || !mi->vTotal)
return 0;
return (int) ((double) mi->dotClock / ((double) mi->hTotal * (double) mi->vTotal));
}
static const XRRModeInfo* getModeInfo(const XRRScreenResources* sr, RRMode id)
{
int i;
for (i = 0; i < sr->nmode; i++)
{
if (sr->modes[i].id == id)
return sr->modes + i;
}
return NULL;
}
//////////////////////////////////////////////////////////////////////////
////// GLFW internal API //////
//////////////////////////////////////////////////////////////////////////
// Set the current video mode for the specified monitor
//
void _glfwSetVideoMode(_GLFWmonitor* monitor, const GLFWvidmode* desired)
{
if (_glfw.x11.randr.available)
{
int i, j;
XRRScreenResources* sr;
XRRCrtcInfo* ci;
XRROutputInfo* oi;
RRMode bestMode = 0;
unsigned int sizeDiff, leastSizeDiff = UINT_MAX;
unsigned int rateDiff, leastRateDiff = UINT_MAX;
sr = XRRGetScreenResources(_glfw.x11.display, _glfw.x11.root);
ci = XRRGetCrtcInfo(_glfw.x11.display, sr, monitor->x11.crtc);
oi = XRRGetOutputInfo(_glfw.x11.display, sr, monitor->x11.output);
for (i = 0; i < sr->nmode; i++)
{
const XRRModeInfo* mi = sr->modes + i;
if (mi->modeFlags & RR_Interlace)
continue;
for (j = 0; j < oi->nmode; j++)
{
if (oi->modes[j] == mi->id)
break;
}
if (j == oi->nmode)
continue;
sizeDiff = (mi->width - desired->width) *
(mi->width - desired->width) +
(mi->height - desired->height) *
(mi->height - desired->height);
if (desired->refreshRate)
rateDiff = abs(calculateRefreshRate(mi) - desired->refreshRate);
else
rateDiff = UINT_MAX - calculateRefreshRate(mi);
if ((sizeDiff < leastSizeDiff) ||
(sizeDiff == leastSizeDiff && rateDiff < leastRateDiff))
{
bestMode = mi->id;
leastSizeDiff = sizeDiff;
leastRateDiff = rateDiff;
}
}
if (bestMode == ci->mode)
return;
if (monitor->x11.oldMode == None)
monitor->x11.oldMode = ci->mode;
XRRSetCrtcConfig(_glfw.x11.display,
sr, monitor->x11.crtc,
CurrentTime,
ci->x, ci->y,
bestMode,
ci->rotation,
ci->outputs,
ci->noutput);
XRRFreeOutputInfo(oi);
XRRFreeCrtcInfo(ci);
XRRFreeScreenResources(sr);
}
}
// Restore the saved (original) video mode for the specified monitor
//
void _glfwRestoreVideoMode(_GLFWmonitor* monitor)
{
if (_glfw.x11.randr.available)
{
XRRScreenResources* sr;
XRRCrtcInfo* ci;
if (monitor->x11.oldMode == None)
return;
sr = XRRGetScreenResources(_glfw.x11.display, _glfw.x11.root);
ci = XRRGetCrtcInfo(_glfw.x11.display, sr, monitor->x11.crtc);
XRRSetCrtcConfig(_glfw.x11.display,
sr, monitor->x11.crtc,
CurrentTime,
ci->x, ci->y,
monitor->x11.oldMode,
ci->rotation,
ci->outputs,
ci->noutput);
XRRFreeCrtcInfo(ci);
XRRFreeScreenResources(sr);
monitor->x11.oldMode = None;
}
}
//////////////////////////////////////////////////////////////////////////
////// GLFW platform API //////
//////////////////////////////////////////////////////////////////////////
_GLFWmonitor** _glfwPlatformGetMonitors(int* count)
{
_GLFWmonitor** monitors = NULL;
*count = 0;
if (_glfw.x11.randr.available)
{
int i, found = 0;
RROutput primary;
XRRScreenResources* sr;
sr = XRRGetScreenResources(_glfw.x11.display, _glfw.x11.root);
primary = XRRGetOutputPrimary(_glfw.x11.display, _glfw.x11.root);
monitors = calloc(sr->ncrtc, sizeof(_GLFWmonitor*));
for (i = 0; i < sr->ncrtc; i++)
{
int j;
XRROutputInfo* oi;
XRRCrtcInfo* ci;
RROutput output;
ci = XRRGetCrtcInfo(_glfw.x11.display, sr, sr->crtcs[i]);
if (ci->noutput == 0)
{
XRRFreeCrtcInfo(ci);
continue;
}
output = ci->outputs[0];
for (j = 0; j < ci->noutput; j++)
{
if (ci->outputs[j] == primary)
{
output = primary;
break;
}
}
oi = XRRGetOutputInfo(_glfw.x11.display, sr, output);
if (oi->connection != RR_Connected)
{
XRRFreeOutputInfo(oi);
XRRFreeCrtcInfo(ci);
continue;
}
monitors[found] = _glfwCreateMonitor(oi->name,
oi->mm_width, oi->mm_height);
monitors[found]->x11.output = output;
monitors[found]->x11.crtc = oi->crtc;
XRRFreeOutputInfo(oi);
XRRFreeCrtcInfo(ci);
found++;
}
XRRFreeScreenResources(sr);
for (i = 0; i < found; i++)
{
if (monitors[i]->x11.output == primary)
{
_GLFWmonitor* temp = monitors[0];
monitors[0] = monitors[i];
monitors[i] = temp;
break;
}
}
if (found == 0)
{
free(monitors);
monitors = NULL;
}
*count = found;
}
else
{
monitors = calloc(1, sizeof(_GLFWmonitor*));
monitors[0] = _glfwCreateMonitor("Display",
DisplayWidthMM(_glfw.x11.display,
_glfw.x11.screen),
DisplayHeightMM(_glfw.x11.display,
_glfw.x11.screen));
*count = 1;
}
return monitors;
}
GLboolean _glfwPlatformIsSameMonitor(_GLFWmonitor* first, _GLFWmonitor* second)
{
return first->x11.crtc == second->x11.crtc;
}
void _glfwPlatformGetMonitorPos(_GLFWmonitor* monitor, int* xpos, int* ypos)
{
if (_glfw.x11.randr.available)
{
XRRScreenResources* sr;
XRRCrtcInfo* ci;
sr = XRRGetScreenResources(_glfw.x11.display, _glfw.x11.root);
ci = XRRGetCrtcInfo(_glfw.x11.display, sr, monitor->x11.crtc);
if (xpos)
*xpos = ci->x;
if (ypos)
*ypos = ci->y;
XRRFreeCrtcInfo(ci);
XRRFreeScreenResources(sr);
}
else
{
if (xpos)
*xpos = 0;
if (ypos)
*ypos = 0;
}
}
GLFWvidmode* _glfwPlatformGetVideoModes(_GLFWmonitor* monitor, int* found)
{
GLFWvidmode* result;
int depth, r, g, b;
depth = DefaultDepth(_glfw.x11.display, _glfw.x11.screen);
_glfwSplitBPP(depth, &r, &g, &b);
*found = 0;
// Build array of available resolutions
if (_glfw.x11.randr.available)
{
int i, j;
XRRScreenResources* sr;
XRROutputInfo* oi;
sr = XRRGetScreenResources(_glfw.x11.display, _glfw.x11.root);
oi = XRRGetOutputInfo(_glfw.x11.display, sr, monitor->x11.output);
result = calloc(oi->nmode, sizeof(GLFWvidmode));
for (i = 0; i < oi->nmode; i++)
{
GLFWvidmode mode;
const XRRModeInfo* mi = getModeInfo(sr, oi->modes[i]);
mode.width = mi->width;
mode.height = mi->height;
mode.refreshRate = calculateRefreshRate(mi);
for (j = 0; j < *found; j++)
{
if (result[j].width == mode.width &&
result[j].height == mode.height &&
result[j].refreshRate == mode.refreshRate)
{
break;
}
}
if (j < *found)
{
// This is a duplicate, so skip it
continue;
}
mode.redBits = r;
mode.greenBits = g;
mode.blueBits = b;
result[*found] = mode;
(*found)++;
}
XRRFreeOutputInfo(oi);
XRRFreeScreenResources(sr);
}
else
{
*found = 1;
result = calloc(1, sizeof(GLFWvidmode));
result[0].width = DisplayWidth(_glfw.x11.display, _glfw.x11.screen);
result[0].height = DisplayHeight(_glfw.x11.display, _glfw.x11.screen);
result[0].redBits = r;
result[0].greenBits = g;
result[0].blueBits = b;
result[0].refreshRate = 0;
}
return result;
}
void _glfwPlatformGetVideoMode(_GLFWmonitor* monitor, GLFWvidmode* mode)
{
if (_glfw.x11.randr.available)
{
XRRScreenResources* sr;
XRRCrtcInfo* ci;
sr = XRRGetScreenResources(_glfw.x11.display, _glfw.x11.root);
ci = XRRGetCrtcInfo(_glfw.x11.display, sr, monitor->x11.crtc);
mode->width = ci->width;
mode->height = ci->height;
mode->refreshRate = calculateRefreshRate(getModeInfo(sr, ci->mode));
XRRFreeCrtcInfo(ci);
XRRFreeScreenResources(sr);
}
else
{
mode->width = DisplayWidth(_glfw.x11.display, _glfw.x11.screen);
mode->height = DisplayHeight(_glfw.x11.display, _glfw.x11.screen);
mode->refreshRate = 0;
}
_glfwSplitBPP(DefaultDepth(_glfw.x11.display, _glfw.x11.screen),
&mode->redBits, &mode->greenBits, &mode->blueBits);
}

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//========================================================================
// GLFW 3.0 X11 - www.glfw.org
//------------------------------------------------------------------------
// Copyright (c) 2002-2006 Marcus Geelnard
// Copyright (c) 2006-2010 Camilla Berglund <elmindreda@elmindreda.org>
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would
// be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such, and must not
// be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source
// distribution.
//
//========================================================================
#ifndef _x11_platform_h_
#define _x11_platform_h_
#include <unistd.h>
#include <signal.h>
#include <stdint.h>
#include <X11/Xlib.h>
#include <X11/keysym.h>
#include <X11/Xatom.h>
// The Xf86VidMode extension provides fallback gamma control
#include <X11/extensions/xf86vmode.h>
// The XRandR extension provides mode setting and gamma control
#include <X11/extensions/Xrandr.h>
// The XInput2 extension provides improved input events
#include <X11/extensions/XInput2.h>
// The Xkb extension provides improved keyboard support
#include <X11/XKBlib.h>
#if defined(_GLFW_GLX)
#define _GLFW_X11_CONTEXT_VISUAL window->glx.visual
#include "glx_platform.h"
#elif defined(_GLFW_EGL)
#define _GLFW_X11_CONTEXT_VISUAL window->egl.visual
#define _GLFW_EGL_NATIVE_WINDOW window->x11.handle
#define _GLFW_EGL_NATIVE_DISPLAY _glfw.x11.display
#include "egl_platform.h"
#else
#error "No supported context creation API selected"
#endif
#define _GLFW_PLATFORM_WINDOW_STATE _GLFWwindowX11 x11
#define _GLFW_PLATFORM_LIBRARY_WINDOW_STATE _GLFWlibraryX11 x11
#define _GLFW_PLATFORM_MONITOR_STATE _GLFWmonitorX11 x11
//========================================================================
// GLFW platform specific types
//========================================================================
//------------------------------------------------------------------------
// Platform-specific window structure
//------------------------------------------------------------------------
typedef struct _GLFWwindowX11
{
// Platform specific window resources
Colormap colormap; // Window colormap
Window handle; // Window handle
// Various platform specific internal variables
GLboolean overrideRedirect; // True if window is OverrideRedirect
GLboolean cursorGrabbed; // True if cursor is currently grabbed
GLboolean cursorHidden; // True if cursor is currently hidden
// Cached position and size used to filter out duplicate events
int width, height;
int xpos, ypos;
// The last received cursor position, regardless of source
double cursorPosX, cursorPosY;
// The last position the cursor was warped to by GLFW
int warpPosX, warpPosY;
} _GLFWwindowX11;
//------------------------------------------------------------------------
// Platform-specific library global data for X11
//------------------------------------------------------------------------
typedef struct _GLFWlibraryX11
{
Display* display;
int screen;
Window root;
// Invisible cursor for hidden cursor mode
Cursor cursor;
XContext context;
// Window manager atoms
Atom WM_STATE;
Atom WM_DELETE_WINDOW;
Atom NET_WM_NAME;
Atom NET_WM_ICON_NAME;
Atom NET_WM_PID;
Atom NET_WM_PING;
Atom NET_WM_STATE;
Atom NET_WM_STATE_FULLSCREEN;
Atom NET_WM_BYPASS_COMPOSITOR;
Atom NET_ACTIVE_WINDOW;
Atom MOTIF_WM_HINTS;
// Selection atoms
Atom TARGETS;
Atom MULTIPLE;
Atom CLIPBOARD;
Atom CLIPBOARD_MANAGER;
Atom SAVE_TARGETS;
Atom UTF8_STRING;
Atom COMPOUND_STRING;
Atom ATOM_PAIR;
Atom GLFW_SELECTION;
// True if window manager supports EWMH
GLboolean hasEWMH;
// Error code received by the X error handler
int errorCode;
struct {
GLboolean available;
int eventBase;
int errorBase;
} vidmode;
struct {
GLboolean available;
int eventBase;
int errorBase;
int versionMajor;
int versionMinor;
GLboolean gammaBroken;
} randr;
struct {
int majorOpcode;
int eventBase;
int errorBase;
int versionMajor;
int versionMinor;
} xkb;
struct {
GLboolean available;
int majorOpcode;
int eventBase;
int errorBase;
int versionMajor;
int versionMinor;
} xi;
// LUT for mapping X11 key codes to GLFW key codes
int keyCodeLUT[256];
struct {
int count;
int timeout;
int interval;
int blanking;
int exposure;
} saver;
struct {
GLboolean monotonic;
double resolution;
uint64_t base;
} timer;
struct {
char* string;
} selection;
struct {
int present;
int fd;
float* axes;
int axisCount;
unsigned char* buttons;
int buttonCount;
char* name;
} joystick[GLFW_JOYSTICK_LAST + 1];
} _GLFWlibraryX11;
//------------------------------------------------------------------------
// Platform-specific monitor structure
//------------------------------------------------------------------------
typedef struct _GLFWmonitorX11
{
RROutput output;
RRCrtc crtc;
RRMode oldMode;
} _GLFWmonitorX11;
//========================================================================
// Prototypes for platform specific internal functions
//========================================================================
// Time
void _glfwInitTimer(void);
// Gamma
void _glfwInitGammaRamp(void);
// OpenGL support
int _glfwInitContextAPI(void);
void _glfwTerminateContextAPI(void);
int _glfwCreateContext(_GLFWwindow* window,
const _GLFWwndconfig* wndconfig,
const _GLFWfbconfig* fbconfig);
void _glfwDestroyContext(_GLFWwindow* window);
// Fullscreen support
void _glfwSetVideoMode(_GLFWmonitor* monitor, const GLFWvidmode* desired);
void _glfwRestoreVideoMode(_GLFWmonitor* monitor);
// Joystick input
void _glfwInitJoysticks(void);
void _glfwTerminateJoysticks(void);
// Unicode support
long _glfwKeySym2Unicode(KeySym keysym);
// Clipboard handling
void _glfwHandleSelectionClear(XEvent* event);
void _glfwHandleSelectionRequest(XEvent* event);
void _glfwPushSelectionToManager(_GLFWwindow* window);
// Window support
_GLFWwindow* _glfwFindWindowByHandle(Window handle);
unsigned long _glfwGetWindowProperty(Window window,
Atom property,
Atom type,
unsigned char** value);
// X11 error handler
void _glfwGrabXErrorHandler(void);
void _glfwReleaseXErrorHandler(void);
void _glfwInputXError(int error, const char* message);
#endif // _x11_platform_h_

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//========================================================================
// GLFW 3.0 X11 - www.glfw.org
//------------------------------------------------------------------------
// Copyright (c) 2002-2006 Marcus Geelnard
// Copyright (c) 2006-2010 Camilla Berglund <elmindreda@elmindreda.org>
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would
// be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such, and must not
// be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source
// distribution.
//
//========================================================================
#include "internal.h"
#include <sys/time.h>
#include <time.h>
// Return raw time
//
static uint64_t getRawTime(void)
{
#if defined(CLOCK_MONOTONIC)
if (_glfw.x11.timer.monotonic)
{
struct timespec ts;
clock_gettime(CLOCK_MONOTONIC, &ts);
return (uint64_t) ts.tv_sec * (uint64_t) 1000000000 + (uint64_t) ts.tv_nsec;
}
else
#endif
{
struct timeval tv;
gettimeofday(&tv, NULL);
return (uint64_t) tv.tv_sec * (uint64_t) 1000000 + (uint64_t) tv.tv_usec;
}
}
//////////////////////////////////////////////////////////////////////////
////// GLFW internal API //////
//////////////////////////////////////////////////////////////////////////
// Initialise timer
//
void _glfwInitTimer(void)
{
#if defined(CLOCK_MONOTONIC)
struct timespec ts;
if (clock_gettime(CLOCK_MONOTONIC, &ts) == 0)
{
_glfw.x11.timer.monotonic = GL_TRUE;
_glfw.x11.timer.resolution = 1e-9;
}
else
#endif
{
_glfw.x11.timer.resolution = 1e-6;
}
_glfw.x11.timer.base = getRawTime();
}
//////////////////////////////////////////////////////////////////////////
////// GLFW platform API //////
//////////////////////////////////////////////////////////////////////////
double _glfwPlatformGetTime(void)
{
return (double) (getRawTime() - _glfw.x11.timer.base) *
_glfw.x11.timer.resolution;
}
void _glfwPlatformSetTime(double time)
{
_glfw.x11.timer.base = getRawTime() -
(uint64_t) (time / _glfw.x11.timer.resolution);
}

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//========================================================================
// GLFW 3.0 X11 - www.glfw.org
//------------------------------------------------------------------------
// Copyright (c) 2002-2006 Marcus Geelnard
// Copyright (c) 2006-2010 Camilla Berglund <elmindreda@elmindreda.org>
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would
// be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such, and must not
// be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source
// distribution.
//
//========================================================================
#include "internal.h"
/*
* Marcus: This code was originally written by Markus G. Kuhn.
* I have made some slight changes (trimmed it down a bit from >60 KB to
* 20 KB), but the functionality is the same.
*/
/*
* This module converts keysym values into the corresponding ISO 10646
* (UCS, Unicode) values.
*
* The array keysymtab[] contains pairs of X11 keysym values for graphical
* characters and the corresponding Unicode value. The function
* _glfwKeySym2Unicode() maps a keysym onto a Unicode value using a binary
* search, therefore keysymtab[] must remain SORTED by keysym value.
*
* We allow to represent any UCS character in the range U-00000000 to
* U-00FFFFFF by a keysym value in the range 0x01000000 to 0x01ffffff.
* This admittedly does not cover the entire 31-bit space of UCS, but
* it does cover all of the characters up to U-10FFFF, which can be
* represented by UTF-16, and more, and it is very unlikely that higher
* UCS codes will ever be assigned by ISO. So to get Unicode character
* U+ABCD you can directly use keysym 0x0100abcd.
*
* Original author: Markus G. Kuhn <mkuhn@acm.org>, University of
* Cambridge, April 2001
*
* Special thanks to Richard Verhoeven <river@win.tue.nl> for preparing
* an initial draft of the mapping table.
*
*/
//************************************************************************
//**** KeySym to Unicode mapping table ****
//************************************************************************
static struct codepair {
unsigned short keysym;
unsigned short ucs;
} keysymtab[] = {
{ 0x01a1, 0x0104 },
{ 0x01a2, 0x02d8 },
{ 0x01a3, 0x0141 },
{ 0x01a5, 0x013d },
{ 0x01a6, 0x015a },
{ 0x01a9, 0x0160 },
{ 0x01aa, 0x015e },
{ 0x01ab, 0x0164 },
{ 0x01ac, 0x0179 },
{ 0x01ae, 0x017d },
{ 0x01af, 0x017b },
{ 0x01b1, 0x0105 },
{ 0x01b2, 0x02db },
{ 0x01b3, 0x0142 },
{ 0x01b5, 0x013e },
{ 0x01b6, 0x015b },
{ 0x01b7, 0x02c7 },
{ 0x01b9, 0x0161 },
{ 0x01ba, 0x015f },
{ 0x01bb, 0x0165 },
{ 0x01bc, 0x017a },
{ 0x01bd, 0x02dd },
{ 0x01be, 0x017e },
{ 0x01bf, 0x017c },
{ 0x01c0, 0x0154 },
{ 0x01c3, 0x0102 },
{ 0x01c5, 0x0139 },
{ 0x01c6, 0x0106 },
{ 0x01c8, 0x010c },
{ 0x01ca, 0x0118 },
{ 0x01cc, 0x011a },
{ 0x01cf, 0x010e },
{ 0x01d0, 0x0110 },
{ 0x01d1, 0x0143 },
{ 0x01d2, 0x0147 },
{ 0x01d5, 0x0150 },
{ 0x01d8, 0x0158 },
{ 0x01d9, 0x016e },
{ 0x01db, 0x0170 },
{ 0x01de, 0x0162 },
{ 0x01e0, 0x0155 },
{ 0x01e3, 0x0103 },
{ 0x01e5, 0x013a },
{ 0x01e6, 0x0107 },
{ 0x01e8, 0x010d },
{ 0x01ea, 0x0119 },
{ 0x01ec, 0x011b },
{ 0x01ef, 0x010f },
{ 0x01f0, 0x0111 },
{ 0x01f1, 0x0144 },
{ 0x01f2, 0x0148 },
{ 0x01f5, 0x0151 },
{ 0x01f8, 0x0159 },
{ 0x01f9, 0x016f },
{ 0x01fb, 0x0171 },
{ 0x01fe, 0x0163 },
{ 0x01ff, 0x02d9 },
{ 0x02a1, 0x0126 },
{ 0x02a6, 0x0124 },
{ 0x02a9, 0x0130 },
{ 0x02ab, 0x011e },
{ 0x02ac, 0x0134 },
{ 0x02b1, 0x0127 },
{ 0x02b6, 0x0125 },
{ 0x02b9, 0x0131 },
{ 0x02bb, 0x011f },
{ 0x02bc, 0x0135 },
{ 0x02c5, 0x010a },
{ 0x02c6, 0x0108 },
{ 0x02d5, 0x0120 },
{ 0x02d8, 0x011c },
{ 0x02dd, 0x016c },
{ 0x02de, 0x015c },
{ 0x02e5, 0x010b },
{ 0x02e6, 0x0109 },
{ 0x02f5, 0x0121 },
{ 0x02f8, 0x011d },
{ 0x02fd, 0x016d },
{ 0x02fe, 0x015d },
{ 0x03a2, 0x0138 },
{ 0x03a3, 0x0156 },
{ 0x03a5, 0x0128 },
{ 0x03a6, 0x013b },
{ 0x03aa, 0x0112 },
{ 0x03ab, 0x0122 },
{ 0x03ac, 0x0166 },
{ 0x03b3, 0x0157 },
{ 0x03b5, 0x0129 },
{ 0x03b6, 0x013c },
{ 0x03ba, 0x0113 },
{ 0x03bb, 0x0123 },
{ 0x03bc, 0x0167 },
{ 0x03bd, 0x014a },
{ 0x03bf, 0x014b },
{ 0x03c0, 0x0100 },
{ 0x03c7, 0x012e },
{ 0x03cc, 0x0116 },
{ 0x03cf, 0x012a },
{ 0x03d1, 0x0145 },
{ 0x03d2, 0x014c },
{ 0x03d3, 0x0136 },
{ 0x03d9, 0x0172 },
{ 0x03dd, 0x0168 },
{ 0x03de, 0x016a },
{ 0x03e0, 0x0101 },
{ 0x03e7, 0x012f },
{ 0x03ec, 0x0117 },
{ 0x03ef, 0x012b },
{ 0x03f1, 0x0146 },
{ 0x03f2, 0x014d },
{ 0x03f3, 0x0137 },
{ 0x03f9, 0x0173 },
{ 0x03fd, 0x0169 },
{ 0x03fe, 0x016b },
{ 0x047e, 0x203e },
{ 0x04a1, 0x3002 },
{ 0x04a2, 0x300c },
{ 0x04a3, 0x300d },
{ 0x04a4, 0x3001 },
{ 0x04a5, 0x30fb },
{ 0x04a6, 0x30f2 },
{ 0x04a7, 0x30a1 },
{ 0x04a8, 0x30a3 },
{ 0x04a9, 0x30a5 },
{ 0x04aa, 0x30a7 },
{ 0x04ab, 0x30a9 },
{ 0x04ac, 0x30e3 },
{ 0x04ad, 0x30e5 },
{ 0x04ae, 0x30e7 },
{ 0x04af, 0x30c3 },
{ 0x04b0, 0x30fc },
{ 0x04b1, 0x30a2 },
{ 0x04b2, 0x30a4 },
{ 0x04b3, 0x30a6 },
{ 0x04b4, 0x30a8 },
{ 0x04b5, 0x30aa },
{ 0x04b6, 0x30ab },
{ 0x04b7, 0x30ad },
{ 0x04b8, 0x30af },
{ 0x04b9, 0x30b1 },
{ 0x04ba, 0x30b3 },
{ 0x04bb, 0x30b5 },
{ 0x04bc, 0x30b7 },
{ 0x04bd, 0x30b9 },
{ 0x04be, 0x30bb },
{ 0x04bf, 0x30bd },
{ 0x04c0, 0x30bf },
{ 0x04c1, 0x30c1 },
{ 0x04c2, 0x30c4 },
{ 0x04c3, 0x30c6 },
{ 0x04c4, 0x30c8 },
{ 0x04c5, 0x30ca },
{ 0x04c6, 0x30cb },
{ 0x04c7, 0x30cc },
{ 0x04c8, 0x30cd },
{ 0x04c9, 0x30ce },
{ 0x04ca, 0x30cf },
{ 0x04cb, 0x30d2 },
{ 0x04cc, 0x30d5 },
{ 0x04cd, 0x30d8 },
{ 0x04ce, 0x30db },
{ 0x04cf, 0x30de },
{ 0x04d0, 0x30df },
{ 0x04d1, 0x30e0 },
{ 0x04d2, 0x30e1 },
{ 0x04d3, 0x30e2 },
{ 0x04d4, 0x30e4 },
{ 0x04d5, 0x30e6 },
{ 0x04d6, 0x30e8 },
{ 0x04d7, 0x30e9 },
{ 0x04d8, 0x30ea },
{ 0x04d9, 0x30eb },
{ 0x04da, 0x30ec },
{ 0x04db, 0x30ed },
{ 0x04dc, 0x30ef },
{ 0x04dd, 0x30f3 },
{ 0x04de, 0x309b },
{ 0x04df, 0x309c },
{ 0x05ac, 0x060c },
{ 0x05bb, 0x061b },
{ 0x05bf, 0x061f },
{ 0x05c1, 0x0621 },
{ 0x05c2, 0x0622 },
{ 0x05c3, 0x0623 },
{ 0x05c4, 0x0624 },
{ 0x05c5, 0x0625 },
{ 0x05c6, 0x0626 },
{ 0x05c7, 0x0627 },
{ 0x05c8, 0x0628 },
{ 0x05c9, 0x0629 },
{ 0x05ca, 0x062a },
{ 0x05cb, 0x062b },
{ 0x05cc, 0x062c },
{ 0x05cd, 0x062d },
{ 0x05ce, 0x062e },
{ 0x05cf, 0x062f },
{ 0x05d0, 0x0630 },
{ 0x05d1, 0x0631 },
{ 0x05d2, 0x0632 },
{ 0x05d3, 0x0633 },
{ 0x05d4, 0x0634 },
{ 0x05d5, 0x0635 },
{ 0x05d6, 0x0636 },
{ 0x05d7, 0x0637 },
{ 0x05d8, 0x0638 },
{ 0x05d9, 0x0639 },
{ 0x05da, 0x063a },
{ 0x05e0, 0x0640 },
{ 0x05e1, 0x0641 },
{ 0x05e2, 0x0642 },
{ 0x05e3, 0x0643 },
{ 0x05e4, 0x0644 },
{ 0x05e5, 0x0645 },
{ 0x05e6, 0x0646 },
{ 0x05e7, 0x0647 },
{ 0x05e8, 0x0648 },
{ 0x05e9, 0x0649 },
{ 0x05ea, 0x064a },
{ 0x05eb, 0x064b },
{ 0x05ec, 0x064c },
{ 0x05ed, 0x064d },
{ 0x05ee, 0x064e },
{ 0x05ef, 0x064f },
{ 0x05f0, 0x0650 },
{ 0x05f1, 0x0651 },
{ 0x05f2, 0x0652 },
{ 0x06a1, 0x0452 },
{ 0x06a2, 0x0453 },
{ 0x06a3, 0x0451 },
{ 0x06a4, 0x0454 },
{ 0x06a5, 0x0455 },
{ 0x06a6, 0x0456 },
{ 0x06a7, 0x0457 },
{ 0x06a8, 0x0458 },
{ 0x06a9, 0x0459 },
{ 0x06aa, 0x045a },
{ 0x06ab, 0x045b },
{ 0x06ac, 0x045c },
{ 0x06ae, 0x045e },
{ 0x06af, 0x045f },
{ 0x06b0, 0x2116 },
{ 0x06b1, 0x0402 },
{ 0x06b2, 0x0403 },
{ 0x06b3, 0x0401 },
{ 0x06b4, 0x0404 },
{ 0x06b5, 0x0405 },
{ 0x06b6, 0x0406 },
{ 0x06b7, 0x0407 },
{ 0x06b8, 0x0408 },
{ 0x06b9, 0x0409 },
{ 0x06ba, 0x040a },
{ 0x06bb, 0x040b },
{ 0x06bc, 0x040c },
{ 0x06be, 0x040e },
{ 0x06bf, 0x040f },
{ 0x06c0, 0x044e },
{ 0x06c1, 0x0430 },
{ 0x06c2, 0x0431 },
{ 0x06c3, 0x0446 },
{ 0x06c4, 0x0434 },
{ 0x06c5, 0x0435 },
{ 0x06c6, 0x0444 },
{ 0x06c7, 0x0433 },
{ 0x06c8, 0x0445 },
{ 0x06c9, 0x0438 },
{ 0x06ca, 0x0439 },
{ 0x06cb, 0x043a },
{ 0x06cc, 0x043b },
{ 0x06cd, 0x043c },
{ 0x06ce, 0x043d },
{ 0x06cf, 0x043e },
{ 0x06d0, 0x043f },
{ 0x06d1, 0x044f },
{ 0x06d2, 0x0440 },
{ 0x06d3, 0x0441 },
{ 0x06d4, 0x0442 },
{ 0x06d5, 0x0443 },
{ 0x06d6, 0x0436 },
{ 0x06d7, 0x0432 },
{ 0x06d8, 0x044c },
{ 0x06d9, 0x044b },
{ 0x06da, 0x0437 },
{ 0x06db, 0x0448 },
{ 0x06dc, 0x044d },
{ 0x06dd, 0x0449 },
{ 0x06de, 0x0447 },
{ 0x06df, 0x044a },
{ 0x06e0, 0x042e },
{ 0x06e1, 0x0410 },
{ 0x06e2, 0x0411 },
{ 0x06e3, 0x0426 },
{ 0x06e4, 0x0414 },
{ 0x06e5, 0x0415 },
{ 0x06e6, 0x0424 },
{ 0x06e7, 0x0413 },
{ 0x06e8, 0x0425 },
{ 0x06e9, 0x0418 },
{ 0x06ea, 0x0419 },
{ 0x06eb, 0x041a },
{ 0x06ec, 0x041b },
{ 0x06ed, 0x041c },
{ 0x06ee, 0x041d },
{ 0x06ef, 0x041e },
{ 0x06f0, 0x041f },
{ 0x06f1, 0x042f },
{ 0x06f2, 0x0420 },
{ 0x06f3, 0x0421 },
{ 0x06f4, 0x0422 },
{ 0x06f5, 0x0423 },
{ 0x06f6, 0x0416 },
{ 0x06f7, 0x0412 },
{ 0x06f8, 0x042c },
{ 0x06f9, 0x042b },
{ 0x06fa, 0x0417 },
{ 0x06fb, 0x0428 },
{ 0x06fc, 0x042d },
{ 0x06fd, 0x0429 },
{ 0x06fe, 0x0427 },
{ 0x06ff, 0x042a },
{ 0x07a1, 0x0386 },
{ 0x07a2, 0x0388 },
{ 0x07a3, 0x0389 },
{ 0x07a4, 0x038a },
{ 0x07a5, 0x03aa },
{ 0x07a7, 0x038c },
{ 0x07a8, 0x038e },
{ 0x07a9, 0x03ab },
{ 0x07ab, 0x038f },
{ 0x07ae, 0x0385 },
{ 0x07af, 0x2015 },
{ 0x07b1, 0x03ac },
{ 0x07b2, 0x03ad },
{ 0x07b3, 0x03ae },
{ 0x07b4, 0x03af },
{ 0x07b5, 0x03ca },
{ 0x07b6, 0x0390 },
{ 0x07b7, 0x03cc },
{ 0x07b8, 0x03cd },
{ 0x07b9, 0x03cb },
{ 0x07ba, 0x03b0 },
{ 0x07bb, 0x03ce },
{ 0x07c1, 0x0391 },
{ 0x07c2, 0x0392 },
{ 0x07c3, 0x0393 },
{ 0x07c4, 0x0394 },
{ 0x07c5, 0x0395 },
{ 0x07c6, 0x0396 },
{ 0x07c7, 0x0397 },
{ 0x07c8, 0x0398 },
{ 0x07c9, 0x0399 },
{ 0x07ca, 0x039a },
{ 0x07cb, 0x039b },
{ 0x07cc, 0x039c },
{ 0x07cd, 0x039d },
{ 0x07ce, 0x039e },
{ 0x07cf, 0x039f },
{ 0x07d0, 0x03a0 },
{ 0x07d1, 0x03a1 },
{ 0x07d2, 0x03a3 },
{ 0x07d4, 0x03a4 },
{ 0x07d5, 0x03a5 },
{ 0x07d6, 0x03a6 },
{ 0x07d7, 0x03a7 },
{ 0x07d8, 0x03a8 },
{ 0x07d9, 0x03a9 },
{ 0x07e1, 0x03b1 },
{ 0x07e2, 0x03b2 },
{ 0x07e3, 0x03b3 },
{ 0x07e4, 0x03b4 },
{ 0x07e5, 0x03b5 },
{ 0x07e6, 0x03b6 },
{ 0x07e7, 0x03b7 },
{ 0x07e8, 0x03b8 },
{ 0x07e9, 0x03b9 },
{ 0x07ea, 0x03ba },
{ 0x07eb, 0x03bb },
{ 0x07ec, 0x03bc },
{ 0x07ed, 0x03bd },
{ 0x07ee, 0x03be },
{ 0x07ef, 0x03bf },
{ 0x07f0, 0x03c0 },
{ 0x07f1, 0x03c1 },
{ 0x07f2, 0x03c3 },
{ 0x07f3, 0x03c2 },
{ 0x07f4, 0x03c4 },
{ 0x07f5, 0x03c5 },
{ 0x07f6, 0x03c6 },
{ 0x07f7, 0x03c7 },
{ 0x07f8, 0x03c8 },
{ 0x07f9, 0x03c9 },
{ 0x08a1, 0x23b7 },
{ 0x08a2, 0x250c },
{ 0x08a3, 0x2500 },
{ 0x08a4, 0x2320 },
{ 0x08a5, 0x2321 },
{ 0x08a6, 0x2502 },
{ 0x08a7, 0x23a1 },
{ 0x08a8, 0x23a3 },
{ 0x08a9, 0x23a4 },
{ 0x08aa, 0x23a6 },
{ 0x08ab, 0x239b },
{ 0x08ac, 0x239d },
{ 0x08ad, 0x239e },
{ 0x08ae, 0x23a0 },
{ 0x08af, 0x23a8 },
{ 0x08b0, 0x23ac },
{ 0x08bc, 0x2264 },
{ 0x08bd, 0x2260 },
{ 0x08be, 0x2265 },
{ 0x08bf, 0x222b },
{ 0x08c0, 0x2234 },
{ 0x08c1, 0x221d },
{ 0x08c2, 0x221e },
{ 0x08c5, 0x2207 },
{ 0x08c8, 0x223c },
{ 0x08c9, 0x2243 },
{ 0x08cd, 0x21d4 },
{ 0x08ce, 0x21d2 },
{ 0x08cf, 0x2261 },
{ 0x08d6, 0x221a },
{ 0x08da, 0x2282 },
{ 0x08db, 0x2283 },
{ 0x08dc, 0x2229 },
{ 0x08dd, 0x222a },
{ 0x08de, 0x2227 },
{ 0x08df, 0x2228 },
{ 0x08ef, 0x2202 },
{ 0x08f6, 0x0192 },
{ 0x08fb, 0x2190 },
{ 0x08fc, 0x2191 },
{ 0x08fd, 0x2192 },
{ 0x08fe, 0x2193 },
{ 0x09e0, 0x25c6 },
{ 0x09e1, 0x2592 },
{ 0x09e2, 0x2409 },
{ 0x09e3, 0x240c },
{ 0x09e4, 0x240d },
{ 0x09e5, 0x240a },
{ 0x09e8, 0x2424 },
{ 0x09e9, 0x240b },
{ 0x09ea, 0x2518 },
{ 0x09eb, 0x2510 },
{ 0x09ec, 0x250c },
{ 0x09ed, 0x2514 },
{ 0x09ee, 0x253c },
{ 0x09ef, 0x23ba },
{ 0x09f0, 0x23bb },
{ 0x09f1, 0x2500 },
{ 0x09f2, 0x23bc },
{ 0x09f3, 0x23bd },
{ 0x09f4, 0x251c },
{ 0x09f5, 0x2524 },
{ 0x09f6, 0x2534 },
{ 0x09f7, 0x252c },
{ 0x09f8, 0x2502 },
{ 0x0aa1, 0x2003 },
{ 0x0aa2, 0x2002 },
{ 0x0aa3, 0x2004 },
{ 0x0aa4, 0x2005 },
{ 0x0aa5, 0x2007 },
{ 0x0aa6, 0x2008 },
{ 0x0aa7, 0x2009 },
{ 0x0aa8, 0x200a },
{ 0x0aa9, 0x2014 },
{ 0x0aaa, 0x2013 },
{ 0x0aae, 0x2026 },
{ 0x0aaf, 0x2025 },
{ 0x0ab0, 0x2153 },
{ 0x0ab1, 0x2154 },
{ 0x0ab2, 0x2155 },
{ 0x0ab3, 0x2156 },
{ 0x0ab4, 0x2157 },
{ 0x0ab5, 0x2158 },
{ 0x0ab6, 0x2159 },
{ 0x0ab7, 0x215a },
{ 0x0ab8, 0x2105 },
{ 0x0abb, 0x2012 },
{ 0x0abc, 0x2329 },
{ 0x0abe, 0x232a },
{ 0x0ac3, 0x215b },
{ 0x0ac4, 0x215c },
{ 0x0ac5, 0x215d },
{ 0x0ac6, 0x215e },
{ 0x0ac9, 0x2122 },
{ 0x0aca, 0x2613 },
{ 0x0acc, 0x25c1 },
{ 0x0acd, 0x25b7 },
{ 0x0ace, 0x25cb },
{ 0x0acf, 0x25af },
{ 0x0ad0, 0x2018 },
{ 0x0ad1, 0x2019 },
{ 0x0ad2, 0x201c },
{ 0x0ad3, 0x201d },
{ 0x0ad4, 0x211e },
{ 0x0ad6, 0x2032 },
{ 0x0ad7, 0x2033 },
{ 0x0ad9, 0x271d },
{ 0x0adb, 0x25ac },
{ 0x0adc, 0x25c0 },
{ 0x0add, 0x25b6 },
{ 0x0ade, 0x25cf },
{ 0x0adf, 0x25ae },
{ 0x0ae0, 0x25e6 },
{ 0x0ae1, 0x25ab },
{ 0x0ae2, 0x25ad },
{ 0x0ae3, 0x25b3 },
{ 0x0ae4, 0x25bd },
{ 0x0ae5, 0x2606 },
{ 0x0ae6, 0x2022 },
{ 0x0ae7, 0x25aa },
{ 0x0ae8, 0x25b2 },
{ 0x0ae9, 0x25bc },
{ 0x0aea, 0x261c },
{ 0x0aeb, 0x261e },
{ 0x0aec, 0x2663 },
{ 0x0aed, 0x2666 },
{ 0x0aee, 0x2665 },
{ 0x0af0, 0x2720 },
{ 0x0af1, 0x2020 },
{ 0x0af2, 0x2021 },
{ 0x0af3, 0x2713 },
{ 0x0af4, 0x2717 },
{ 0x0af5, 0x266f },
{ 0x0af6, 0x266d },
{ 0x0af7, 0x2642 },
{ 0x0af8, 0x2640 },
{ 0x0af9, 0x260e },
{ 0x0afa, 0x2315 },
{ 0x0afb, 0x2117 },
{ 0x0afc, 0x2038 },
{ 0x0afd, 0x201a },
{ 0x0afe, 0x201e },
{ 0x0ba3, 0x003c },
{ 0x0ba6, 0x003e },
{ 0x0ba8, 0x2228 },
{ 0x0ba9, 0x2227 },
{ 0x0bc0, 0x00af },
{ 0x0bc2, 0x22a5 },
{ 0x0bc3, 0x2229 },
{ 0x0bc4, 0x230a },
{ 0x0bc6, 0x005f },
{ 0x0bca, 0x2218 },
{ 0x0bcc, 0x2395 },
{ 0x0bce, 0x22a4 },
{ 0x0bcf, 0x25cb },
{ 0x0bd3, 0x2308 },
{ 0x0bd6, 0x222a },
{ 0x0bd8, 0x2283 },
{ 0x0bda, 0x2282 },
{ 0x0bdc, 0x22a2 },
{ 0x0bfc, 0x22a3 },
{ 0x0cdf, 0x2017 },
{ 0x0ce0, 0x05d0 },
{ 0x0ce1, 0x05d1 },
{ 0x0ce2, 0x05d2 },
{ 0x0ce3, 0x05d3 },
{ 0x0ce4, 0x05d4 },
{ 0x0ce5, 0x05d5 },
{ 0x0ce6, 0x05d6 },
{ 0x0ce7, 0x05d7 },
{ 0x0ce8, 0x05d8 },
{ 0x0ce9, 0x05d9 },
{ 0x0cea, 0x05da },
{ 0x0ceb, 0x05db },
{ 0x0cec, 0x05dc },
{ 0x0ced, 0x05dd },
{ 0x0cee, 0x05de },
{ 0x0cef, 0x05df },
{ 0x0cf0, 0x05e0 },
{ 0x0cf1, 0x05e1 },
{ 0x0cf2, 0x05e2 },
{ 0x0cf3, 0x05e3 },
{ 0x0cf4, 0x05e4 },
{ 0x0cf5, 0x05e5 },
{ 0x0cf6, 0x05e6 },
{ 0x0cf7, 0x05e7 },
{ 0x0cf8, 0x05e8 },
{ 0x0cf9, 0x05e9 },
{ 0x0cfa, 0x05ea },
{ 0x0da1, 0x0e01 },
{ 0x0da2, 0x0e02 },
{ 0x0da3, 0x0e03 },
{ 0x0da4, 0x0e04 },
{ 0x0da5, 0x0e05 },
{ 0x0da6, 0x0e06 },
{ 0x0da7, 0x0e07 },
{ 0x0da8, 0x0e08 },
{ 0x0da9, 0x0e09 },
{ 0x0daa, 0x0e0a },
{ 0x0dab, 0x0e0b },
{ 0x0dac, 0x0e0c },
{ 0x0dad, 0x0e0d },
{ 0x0dae, 0x0e0e },
{ 0x0daf, 0x0e0f },
{ 0x0db0, 0x0e10 },
{ 0x0db1, 0x0e11 },
{ 0x0db2, 0x0e12 },
{ 0x0db3, 0x0e13 },
{ 0x0db4, 0x0e14 },
{ 0x0db5, 0x0e15 },
{ 0x0db6, 0x0e16 },
{ 0x0db7, 0x0e17 },
{ 0x0db8, 0x0e18 },
{ 0x0db9, 0x0e19 },
{ 0x0dba, 0x0e1a },
{ 0x0dbb, 0x0e1b },
{ 0x0dbc, 0x0e1c },
{ 0x0dbd, 0x0e1d },
{ 0x0dbe, 0x0e1e },
{ 0x0dbf, 0x0e1f },
{ 0x0dc0, 0x0e20 },
{ 0x0dc1, 0x0e21 },
{ 0x0dc2, 0x0e22 },
{ 0x0dc3, 0x0e23 },
{ 0x0dc4, 0x0e24 },
{ 0x0dc5, 0x0e25 },
{ 0x0dc6, 0x0e26 },
{ 0x0dc7, 0x0e27 },
{ 0x0dc8, 0x0e28 },
{ 0x0dc9, 0x0e29 },
{ 0x0dca, 0x0e2a },
{ 0x0dcb, 0x0e2b },
{ 0x0dcc, 0x0e2c },
{ 0x0dcd, 0x0e2d },
{ 0x0dce, 0x0e2e },
{ 0x0dcf, 0x0e2f },
{ 0x0dd0, 0x0e30 },
{ 0x0dd1, 0x0e31 },
{ 0x0dd2, 0x0e32 },
{ 0x0dd3, 0x0e33 },
{ 0x0dd4, 0x0e34 },
{ 0x0dd5, 0x0e35 },
{ 0x0dd6, 0x0e36 },
{ 0x0dd7, 0x0e37 },
{ 0x0dd8, 0x0e38 },
{ 0x0dd9, 0x0e39 },
{ 0x0dda, 0x0e3a },
{ 0x0ddf, 0x0e3f },
{ 0x0de0, 0x0e40 },
{ 0x0de1, 0x0e41 },
{ 0x0de2, 0x0e42 },
{ 0x0de3, 0x0e43 },
{ 0x0de4, 0x0e44 },
{ 0x0de5, 0x0e45 },
{ 0x0de6, 0x0e46 },
{ 0x0de7, 0x0e47 },
{ 0x0de8, 0x0e48 },
{ 0x0de9, 0x0e49 },
{ 0x0dea, 0x0e4a },
{ 0x0deb, 0x0e4b },
{ 0x0dec, 0x0e4c },
{ 0x0ded, 0x0e4d },
{ 0x0df0, 0x0e50 },
{ 0x0df1, 0x0e51 },
{ 0x0df2, 0x0e52 },
{ 0x0df3, 0x0e53 },
{ 0x0df4, 0x0e54 },
{ 0x0df5, 0x0e55 },
{ 0x0df6, 0x0e56 },
{ 0x0df7, 0x0e57 },
{ 0x0df8, 0x0e58 },
{ 0x0df9, 0x0e59 },
{ 0x0ea1, 0x3131 },
{ 0x0ea2, 0x3132 },
{ 0x0ea3, 0x3133 },
{ 0x0ea4, 0x3134 },
{ 0x0ea5, 0x3135 },
{ 0x0ea6, 0x3136 },
{ 0x0ea7, 0x3137 },
{ 0x0ea8, 0x3138 },
{ 0x0ea9, 0x3139 },
{ 0x0eaa, 0x313a },
{ 0x0eab, 0x313b },
{ 0x0eac, 0x313c },
{ 0x0ead, 0x313d },
{ 0x0eae, 0x313e },
{ 0x0eaf, 0x313f },
{ 0x0eb0, 0x3140 },
{ 0x0eb1, 0x3141 },
{ 0x0eb2, 0x3142 },
{ 0x0eb3, 0x3143 },
{ 0x0eb4, 0x3144 },
{ 0x0eb5, 0x3145 },
{ 0x0eb6, 0x3146 },
{ 0x0eb7, 0x3147 },
{ 0x0eb8, 0x3148 },
{ 0x0eb9, 0x3149 },
{ 0x0eba, 0x314a },
{ 0x0ebb, 0x314b },
{ 0x0ebc, 0x314c },
{ 0x0ebd, 0x314d },
{ 0x0ebe, 0x314e },
{ 0x0ebf, 0x314f },
{ 0x0ec0, 0x3150 },
{ 0x0ec1, 0x3151 },
{ 0x0ec2, 0x3152 },
{ 0x0ec3, 0x3153 },
{ 0x0ec4, 0x3154 },
{ 0x0ec5, 0x3155 },
{ 0x0ec6, 0x3156 },
{ 0x0ec7, 0x3157 },
{ 0x0ec8, 0x3158 },
{ 0x0ec9, 0x3159 },
{ 0x0eca, 0x315a },
{ 0x0ecb, 0x315b },
{ 0x0ecc, 0x315c },
{ 0x0ecd, 0x315d },
{ 0x0ece, 0x315e },
{ 0x0ecf, 0x315f },
{ 0x0ed0, 0x3160 },
{ 0x0ed1, 0x3161 },
{ 0x0ed2, 0x3162 },
{ 0x0ed3, 0x3163 },
{ 0x0ed4, 0x11a8 },
{ 0x0ed5, 0x11a9 },
{ 0x0ed6, 0x11aa },
{ 0x0ed7, 0x11ab },
{ 0x0ed8, 0x11ac },
{ 0x0ed9, 0x11ad },
{ 0x0eda, 0x11ae },
{ 0x0edb, 0x11af },
{ 0x0edc, 0x11b0 },
{ 0x0edd, 0x11b1 },
{ 0x0ede, 0x11b2 },
{ 0x0edf, 0x11b3 },
{ 0x0ee0, 0x11b4 },
{ 0x0ee1, 0x11b5 },
{ 0x0ee2, 0x11b6 },
{ 0x0ee3, 0x11b7 },
{ 0x0ee4, 0x11b8 },
{ 0x0ee5, 0x11b9 },
{ 0x0ee6, 0x11ba },
{ 0x0ee7, 0x11bb },
{ 0x0ee8, 0x11bc },
{ 0x0ee9, 0x11bd },
{ 0x0eea, 0x11be },
{ 0x0eeb, 0x11bf },
{ 0x0eec, 0x11c0 },
{ 0x0eed, 0x11c1 },
{ 0x0eee, 0x11c2 },
{ 0x0eef, 0x316d },
{ 0x0ef0, 0x3171 },
{ 0x0ef1, 0x3178 },
{ 0x0ef2, 0x317f },
{ 0x0ef3, 0x3181 },
{ 0x0ef4, 0x3184 },
{ 0x0ef5, 0x3186 },
{ 0x0ef6, 0x318d },
{ 0x0ef7, 0x318e },
{ 0x0ef8, 0x11eb },
{ 0x0ef9, 0x11f0 },
{ 0x0efa, 0x11f9 },
{ 0x0eff, 0x20a9 },
{ 0x13a4, 0x20ac },
{ 0x13bc, 0x0152 },
{ 0x13bd, 0x0153 },
{ 0x13be, 0x0178 },
{ 0x20ac, 0x20ac },
// Numeric keypad with numlock on
{ XK_KP_Space, ' ' },
{ XK_KP_Equal, '=' },
{ XK_KP_Multiply, '*' },
{ XK_KP_Add, '+' },
{ XK_KP_Separator, ',' },
{ XK_KP_Subtract, '-' },
{ XK_KP_Decimal, '.' },
{ XK_KP_Divide, '/' },
{ XK_KP_0, 0x0030 },
{ XK_KP_1, 0x0031 },
{ XK_KP_2, 0x0032 },
{ XK_KP_3, 0x0033 },
{ XK_KP_4, 0x0034 },
{ XK_KP_5, 0x0035 },
{ XK_KP_6, 0x0036 },
{ XK_KP_7, 0x0037 },
{ XK_KP_8, 0x0038 },
{ XK_KP_9, 0x0039 }
};
//////////////////////////////////////////////////////////////////////////
////// GLFW internal API //////
//////////////////////////////////////////////////////////////////////////
// Convert X11 KeySym to Unicode
//
long _glfwKeySym2Unicode( KeySym keysym )
{
int min = 0;
int max = sizeof(keysymtab) / sizeof(struct codepair) - 1;
int mid;
/* First check for Latin-1 characters (1:1 mapping) */
if( (keysym >= 0x0020 && keysym <= 0x007e) ||
(keysym >= 0x00a0 && keysym <= 0x00ff) )
{ return keysym;
}
/* Also check for directly encoded 24-bit UCS characters */
if( (keysym & 0xff000000) == 0x01000000 )
return keysym & 0x00ffffff;
/* Binary search in table */
while( max >= min )
{
mid = (min + max) / 2;
if( keysymtab[mid].keysym < keysym )
min = mid + 1;
else if( keysymtab[mid].keysym > keysym )
max = mid - 1;
else
{
/* Found it! */
return keysymtab[mid].ucs;
}
}
/* No matching Unicode value found */
return -1;
}

1240
extern/glfw-3.0.4/src/x11_window.c vendored Normal file
View File

File diff suppressed because it is too large Load Diff

71
extern/glfw-3.0.4/tests/CMakeLists.txt vendored Normal file
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@@ -0,0 +1,71 @@
link_libraries(glfw ${OPENGL_glu_LIBRARY})
if (BUILD_SHARED_LIBS)
add_definitions(-DGLFW_DLL)
link_libraries(${OPENGL_gl_LIBRARY} ${MATH_LIBRARY})
else()
link_libraries(${glfw_LIBRARIES})
endif()
include_directories(${GLFW_SOURCE_DIR}/include
${GLFW_SOURCE_DIR}/deps)
if (NOT APPLE)
# HACK: This is NOTFOUND on OS X 10.8
include_directories(${OPENGL_INCLUDE_DIR})
endif()
set(GETOPT ${GLFW_SOURCE_DIR}/deps/getopt.h
${GLFW_SOURCE_DIR}/deps/getopt.c)
set(TINYCTHREAD ${GLFW_SOURCE_DIR}/deps/tinycthread.h
${GLFW_SOURCE_DIR}/deps/tinycthread.c)
add_executable(clipboard clipboard.c ${GETOPT})
add_executable(defaults defaults.c)
add_executable(events events.c ${GETOPT})
add_executable(fsaa fsaa.c ${GETOPT})
add_executable(gamma gamma.c ${GETOPT})
add_executable(glfwinfo glfwinfo.c ${GETOPT})
add_executable(iconify iconify.c ${GETOPT})
add_executable(joysticks joysticks.c)
add_executable(modes modes.c ${GETOPT})
add_executable(peter peter.c)
add_executable(reopen reopen.c)
add_executable(accuracy WIN32 MACOSX_BUNDLE accuracy.c)
set_target_properties(accuracy PROPERTIES MACOSX_BUNDLE_BUNDLE_NAME "Accuracy")
add_executable(sharing WIN32 MACOSX_BUNDLE sharing.c)
set_target_properties(sharing PROPERTIES MACOSX_BUNDLE_BUNDLE_NAME "Sharing")
add_executable(tearing WIN32 MACOSX_BUNDLE tearing.c)
set_target_properties(tearing PROPERTIES MACOSX_BUNDLE_BUNDLE_NAME "Tearing")
add_executable(threads WIN32 MACOSX_BUNDLE threads.c ${TINYCTHREAD})
set_target_properties(threads PROPERTIES MACOSX_BUNDLE_BUNDLE_NAME "Threads")
add_executable(title WIN32 MACOSX_BUNDLE title.c)
set_target_properties(title PROPERTIES MACOSX_BUNDLE_BUNDLE_NAME "Title")
add_executable(windows WIN32 MACOSX_BUNDLE windows.c)
set_target_properties(windows PROPERTIES MACOSX_BUNDLE_BUNDLE_NAME "Windows")
target_link_libraries(threads ${CMAKE_THREAD_LIBS_INIT} ${RT_LIBRARY})
set(WINDOWS_BINARIES accuracy sharing tearing threads title windows)
set(CONSOLE_BINARIES clipboard defaults events fsaa gamma glfwinfo
iconify joysticks modes peter reopen)
if (MSVC)
# Tell MSVC to use main instead of WinMain for Windows subsystem executables
set_target_properties(${WINDOWS_BINARIES} ${CONSOLE_BINARIES} PROPERTIES
LINK_FLAGS "/ENTRY:mainCRTStartup")
endif()
if (APPLE)
set_target_properties(${WINDOWS_BINARIES} ${CONSOLE_BINARIES} PROPERTIES
MACOSX_BUNDLE_SHORT_VERSION_STRING ${GLFW_VERSION}
MACOSX_BUNDLE_LONG_VERSION_STRING ${GLFW_VERSION_FULL})
endif()

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