draw_instanced

;)

CMakeLists.txt

@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.20)
+cmake_minimum_required(VERSION 3.18)
 project(glad
         VERSION 1.0
         LANGUAGES C
@@ -6,8 +6,19 @@ project(glad
 
 file(GLOB_RECURSE HEADERS "include/*.h")
 file(GLOB_RECURSE SOURCES "src/*.c")
-include_directories("include")
+find_package(OpenGL REQUIRED)
+
+include_directories("include")
+include_directories(${OPENGL_INCLUDE_DIRS})
+
+if (UNIX AND NOT APPLE)
+    add_library(glad SHARED ${SOURCES})
+endif()
+
+if (WIN32)
+    add_library(glad STATIC ${SOURCES})
+endif()
+
 
-add_library(glad SHARED ${SOURCES})
 set_target_properties(glad PROPERTIES LINKER_LANGUAGE C)
-target_link_libraries(glad PUBLIC GL)
+target_link_libraries(glad PUBLIC ${OPENGL_LIBRARIES})

include/glad/glad.h

@@ -1,22 +1,27 @@
 /*
 
-    OpenGL loader generated by glad 0.1.36 on Fri Jan 26 14:22:05 2024.
+    OpenGL loader generated by glad 0.1.36 on Wed May  7 15:49:23 2025.
 
     Language/Generator: C/C++
     Specification: gl
-    APIs: gl=1.5
+    APIs: gl=2.1
     Profile: compatibility
     Extensions:
-        
+        GL_ARB_depth_texture,
+        GL_ARB_draw_instanced,
+        GL_ARB_framebuffer_object,
+        GL_ARB_instanced_arrays,
+        GL_ARB_shadow,
+        GL_ARB_texture_filter_anisotropic
     Loader: True
     Local files: False
     Omit khrplatform: False
     Reproducible: False
 
     Commandline:
-        --profile="compatibility" --api="gl=1.5" --generator="c" --spec="gl" --extensions=""
+        --profile="compatibility" --api="gl=2.1" --generator="c" --spec="gl" --extensions="GL_ARB_depth_texture,GL_ARB_draw_instanced,GL_ARB_framebuffer_object,GL_ARB_instanced_arrays,GL_ARB_shadow,GL_ARB_texture_filter_anisotropic"
     Online:
-        https://glad.dav1d.de/#profile=compatibility&language=c&specification=gl&loader=on&api=gl%3D1.5
+        https://glad.dav1d.de/#profile=compatibility&language=c&specification=gl&loader=on&api=gl%3D2.1&extensions=GL_ARB_depth_texture&extensions=GL_ARB_draw_instanced&extensions=GL_ARB_framebuffer_object&extensions=GL_ARB_instanced_arrays&extensions=GL_ARB_shadow&extensions=GL_ARB_texture_filter_anisotropic
 */
 
 
@@ -898,6 +903,113 @@ typedef void (APIENTRY *GLVULKANPROCNV)(void);
 #define GL_SRC2_RGB 0x8582
 #define GL_SRC0_ALPHA 0x8588
 #define GL_SRC2_ALPHA 0x858A
+#define GL_BLEND_EQUATION_RGB 0x8009
+#define GL_VERTEX_ATTRIB_ARRAY_ENABLED 0x8622
+#define GL_VERTEX_ATTRIB_ARRAY_SIZE 0x8623
+#define GL_VERTEX_ATTRIB_ARRAY_STRIDE 0x8624
+#define GL_VERTEX_ATTRIB_ARRAY_TYPE 0x8625
+#define GL_CURRENT_VERTEX_ATTRIB 0x8626
+#define GL_VERTEX_PROGRAM_POINT_SIZE 0x8642
+#define GL_VERTEX_ATTRIB_ARRAY_POINTER 0x8645
+#define GL_STENCIL_BACK_FUNC 0x8800
+#define GL_STENCIL_BACK_FAIL 0x8801
+#define GL_STENCIL_BACK_PASS_DEPTH_FAIL 0x8802
+#define GL_STENCIL_BACK_PASS_DEPTH_PASS 0x8803
+#define GL_MAX_DRAW_BUFFERS 0x8824
+#define GL_DRAW_BUFFER0 0x8825
+#define GL_DRAW_BUFFER1 0x8826
+#define GL_DRAW_BUFFER2 0x8827
+#define GL_DRAW_BUFFER3 0x8828
+#define GL_DRAW_BUFFER4 0x8829
+#define GL_DRAW_BUFFER5 0x882A
+#define GL_DRAW_BUFFER6 0x882B
+#define GL_DRAW_BUFFER7 0x882C
+#define GL_DRAW_BUFFER8 0x882D
+#define GL_DRAW_BUFFER9 0x882E
+#define GL_DRAW_BUFFER10 0x882F
+#define GL_DRAW_BUFFER11 0x8830
+#define GL_DRAW_BUFFER12 0x8831
+#define GL_DRAW_BUFFER13 0x8832
+#define GL_DRAW_BUFFER14 0x8833
+#define GL_DRAW_BUFFER15 0x8834
+#define GL_BLEND_EQUATION_ALPHA 0x883D
+#define GL_MAX_VERTEX_ATTRIBS 0x8869
+#define GL_VERTEX_ATTRIB_ARRAY_NORMALIZED 0x886A
+#define GL_MAX_TEXTURE_IMAGE_UNITS 0x8872
+#define GL_FRAGMENT_SHADER 0x8B30
+#define GL_VERTEX_SHADER 0x8B31
+#define GL_MAX_FRAGMENT_UNIFORM_COMPONENTS 0x8B49
+#define GL_MAX_VERTEX_UNIFORM_COMPONENTS 0x8B4A
+#define GL_MAX_VARYING_FLOATS 0x8B4B
+#define GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS 0x8B4C
+#define GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS 0x8B4D
+#define GL_SHADER_TYPE 0x8B4F
+#define GL_FLOAT_VEC2 0x8B50
+#define GL_FLOAT_VEC3 0x8B51
+#define GL_FLOAT_VEC4 0x8B52
+#define GL_INT_VEC2 0x8B53
+#define GL_INT_VEC3 0x8B54
+#define GL_INT_VEC4 0x8B55
+#define GL_BOOL 0x8B56
+#define GL_BOOL_VEC2 0x8B57
+#define GL_BOOL_VEC3 0x8B58
+#define GL_BOOL_VEC4 0x8B59
+#define GL_FLOAT_MAT2 0x8B5A
+#define GL_FLOAT_MAT3 0x8B5B
+#define GL_FLOAT_MAT4 0x8B5C
+#define GL_SAMPLER_1D 0x8B5D
+#define GL_SAMPLER_2D 0x8B5E
+#define GL_SAMPLER_3D 0x8B5F
+#define GL_SAMPLER_CUBE 0x8B60
+#define GL_SAMPLER_1D_SHADOW 0x8B61
+#define GL_SAMPLER_2D_SHADOW 0x8B62
+#define GL_DELETE_STATUS 0x8B80
+#define GL_COMPILE_STATUS 0x8B81
+#define GL_LINK_STATUS 0x8B82
+#define GL_VALIDATE_STATUS 0x8B83
+#define GL_INFO_LOG_LENGTH 0x8B84
+#define GL_ATTACHED_SHADERS 0x8B85
+#define GL_ACTIVE_UNIFORMS 0x8B86
+#define GL_ACTIVE_UNIFORM_MAX_LENGTH 0x8B87
+#define GL_SHADER_SOURCE_LENGTH 0x8B88
+#define GL_ACTIVE_ATTRIBUTES 0x8B89
+#define GL_ACTIVE_ATTRIBUTE_MAX_LENGTH 0x8B8A
+#define GL_FRAGMENT_SHADER_DERIVATIVE_HINT 0x8B8B
+#define GL_SHADING_LANGUAGE_VERSION 0x8B8C
+#define GL_CURRENT_PROGRAM 0x8B8D
+#define GL_POINT_SPRITE_COORD_ORIGIN 0x8CA0
+#define GL_LOWER_LEFT 0x8CA1
+#define GL_UPPER_LEFT 0x8CA2
+#define GL_STENCIL_BACK_REF 0x8CA3
+#define GL_STENCIL_BACK_VALUE_MASK 0x8CA4
+#define GL_STENCIL_BACK_WRITEMASK 0x8CA5
+#define GL_VERTEX_PROGRAM_TWO_SIDE 0x8643
+#define GL_POINT_SPRITE 0x8861
+#define GL_COORD_REPLACE 0x8862
+#define GL_MAX_TEXTURE_COORDS 0x8871
+#define GL_PIXEL_PACK_BUFFER 0x88EB
+#define GL_PIXEL_UNPACK_BUFFER 0x88EC
+#define GL_PIXEL_PACK_BUFFER_BINDING 0x88ED
+#define GL_PIXEL_UNPACK_BUFFER_BINDING 0x88EF
+#define GL_FLOAT_MAT2x3 0x8B65
+#define GL_FLOAT_MAT2x4 0x8B66
+#define GL_FLOAT_MAT3x2 0x8B67
+#define GL_FLOAT_MAT3x4 0x8B68
+#define GL_FLOAT_MAT4x2 0x8B69
+#define GL_FLOAT_MAT4x3 0x8B6A
+#define GL_SRGB 0x8C40
+#define GL_SRGB8 0x8C41
+#define GL_SRGB_ALPHA 0x8C42
+#define GL_SRGB8_ALPHA8 0x8C43
+#define GL_COMPRESSED_SRGB 0x8C48
+#define GL_COMPRESSED_SRGB_ALPHA 0x8C49
+#define GL_CURRENT_RASTER_SECONDARY_COLOR 0x845F
+#define GL_SLUMINANCE_ALPHA 0x8C44
+#define GL_SLUMINANCE8_ALPHA8 0x8C45
+#define GL_SLUMINANCE 0x8C46
+#define GL_SLUMINANCE8 0x8C47
+#define GL_COMPRESSED_SLUMINANCE 0x8C4A
+#define GL_COMPRESSED_SLUMINANCE_ALPHA 0x8C4B
 #ifndef GL_VERSION_1_0
 #define GL_VERSION_1_0 1
 GLAPI int GLAD_GL_VERSION_1_0;
@@ -2278,6 +2390,488 @@ typedef void (APIENTRYP PFNGLGETBUFFERPOINTERVPROC)(GLenum target, GLenum pname,
 GLAPI PFNGLGETBUFFERPOINTERVPROC glad_glGetBufferPointerv;
 #define glGetBufferPointerv glad_glGetBufferPointerv
 #endif
+#ifndef GL_VERSION_2_0
+#define GL_VERSION_2_0 1
+GLAPI int GLAD_GL_VERSION_2_0;
+typedef void (APIENTRYP PFNGLBLENDEQUATIONSEPARATEPROC)(GLenum modeRGB, GLenum modeAlpha);
+GLAPI PFNGLBLENDEQUATIONSEPARATEPROC glad_glBlendEquationSeparate;
+#define glBlendEquationSeparate glad_glBlendEquationSeparate
+typedef void (APIENTRYP PFNGLDRAWBUFFERSPROC)(GLsizei n, const GLenum *bufs);
+GLAPI PFNGLDRAWBUFFERSPROC glad_glDrawBuffers;
+#define glDrawBuffers glad_glDrawBuffers
+typedef void (APIENTRYP PFNGLSTENCILOPSEPARATEPROC)(GLenum face, GLenum sfail, GLenum dpfail, GLenum dppass);
+GLAPI PFNGLSTENCILOPSEPARATEPROC glad_glStencilOpSeparate;
+#define glStencilOpSeparate glad_glStencilOpSeparate
+typedef void (APIENTRYP PFNGLSTENCILFUNCSEPARATEPROC)(GLenum face, GLenum func, GLint ref, GLuint mask);
+GLAPI PFNGLSTENCILFUNCSEPARATEPROC glad_glStencilFuncSeparate;
+#define glStencilFuncSeparate glad_glStencilFuncSeparate
+typedef void (APIENTRYP PFNGLSTENCILMASKSEPARATEPROC)(GLenum face, GLuint mask);
+GLAPI PFNGLSTENCILMASKSEPARATEPROC glad_glStencilMaskSeparate;
+#define glStencilMaskSeparate glad_glStencilMaskSeparate
+typedef void (APIENTRYP PFNGLATTACHSHADERPROC)(GLuint program, GLuint shader);
+GLAPI PFNGLATTACHSHADERPROC glad_glAttachShader;
+#define glAttachShader glad_glAttachShader
+typedef void (APIENTRYP PFNGLBINDATTRIBLOCATIONPROC)(GLuint program, GLuint index, const GLchar *name);
+GLAPI PFNGLBINDATTRIBLOCATIONPROC glad_glBindAttribLocation;
+#define glBindAttribLocation glad_glBindAttribLocation
+typedef void (APIENTRYP PFNGLCOMPILESHADERPROC)(GLuint shader);
+GLAPI PFNGLCOMPILESHADERPROC glad_glCompileShader;
+#define glCompileShader glad_glCompileShader
+typedef GLuint (APIENTRYP PFNGLCREATEPROGRAMPROC)(void);
+GLAPI PFNGLCREATEPROGRAMPROC glad_glCreateProgram;
+#define glCreateProgram glad_glCreateProgram
+typedef GLuint (APIENTRYP PFNGLCREATESHADERPROC)(GLenum type);
+GLAPI PFNGLCREATESHADERPROC glad_glCreateShader;
+#define glCreateShader glad_glCreateShader
+typedef void (APIENTRYP PFNGLDELETEPROGRAMPROC)(GLuint program);
+GLAPI PFNGLDELETEPROGRAMPROC glad_glDeleteProgram;
+#define glDeleteProgram glad_glDeleteProgram
+typedef void (APIENTRYP PFNGLDELETESHADERPROC)(GLuint shader);
+GLAPI PFNGLDELETESHADERPROC glad_glDeleteShader;
+#define glDeleteShader glad_glDeleteShader
+typedef void (APIENTRYP PFNGLDETACHSHADERPROC)(GLuint program, GLuint shader);
+GLAPI PFNGLDETACHSHADERPROC glad_glDetachShader;
+#define glDetachShader glad_glDetachShader
+typedef void (APIENTRYP PFNGLDISABLEVERTEXATTRIBARRAYPROC)(GLuint index);
+GLAPI PFNGLDISABLEVERTEXATTRIBARRAYPROC glad_glDisableVertexAttribArray;
+#define glDisableVertexAttribArray glad_glDisableVertexAttribArray
+typedef void (APIENTRYP PFNGLENABLEVERTEXATTRIBARRAYPROC)(GLuint index);
+GLAPI PFNGLENABLEVERTEXATTRIBARRAYPROC glad_glEnableVertexAttribArray;
+#define glEnableVertexAttribArray glad_glEnableVertexAttribArray
+typedef void (APIENTRYP PFNGLGETACTIVEATTRIBPROC)(GLuint program, GLuint index, GLsizei bufSize, GLsizei *length, GLint *size, GLenum *type, GLchar *name);
+GLAPI PFNGLGETACTIVEATTRIBPROC glad_glGetActiveAttrib;
+#define glGetActiveAttrib glad_glGetActiveAttrib
+typedef void (APIENTRYP PFNGLGETACTIVEUNIFORMPROC)(GLuint program, GLuint index, GLsizei bufSize, GLsizei *length, GLint *size, GLenum *type, GLchar *name);
+GLAPI PFNGLGETACTIVEUNIFORMPROC glad_glGetActiveUniform;
+#define glGetActiveUniform glad_glGetActiveUniform
+typedef void (APIENTRYP PFNGLGETATTACHEDSHADERSPROC)(GLuint program, GLsizei maxCount, GLsizei *count, GLuint *shaders);
+GLAPI PFNGLGETATTACHEDSHADERSPROC glad_glGetAttachedShaders;
+#define glGetAttachedShaders glad_glGetAttachedShaders
+typedef GLint (APIENTRYP PFNGLGETATTRIBLOCATIONPROC)(GLuint program, const GLchar *name);
+GLAPI PFNGLGETATTRIBLOCATIONPROC glad_glGetAttribLocation;
+#define glGetAttribLocation glad_glGetAttribLocation
+typedef void (APIENTRYP PFNGLGETPROGRAMIVPROC)(GLuint program, GLenum pname, GLint *params);
+GLAPI PFNGLGETPROGRAMIVPROC glad_glGetProgramiv;
+#define glGetProgramiv glad_glGetProgramiv
+typedef void (APIENTRYP PFNGLGETPROGRAMINFOLOGPROC)(GLuint program, GLsizei bufSize, GLsizei *length, GLchar *infoLog);
+GLAPI PFNGLGETPROGRAMINFOLOGPROC glad_glGetProgramInfoLog;
+#define glGetProgramInfoLog glad_glGetProgramInfoLog
+typedef void (APIENTRYP PFNGLGETSHADERIVPROC)(GLuint shader, GLenum pname, GLint *params);
+GLAPI PFNGLGETSHADERIVPROC glad_glGetShaderiv;
+#define glGetShaderiv glad_glGetShaderiv
+typedef void (APIENTRYP PFNGLGETSHADERINFOLOGPROC)(GLuint shader, GLsizei bufSize, GLsizei *length, GLchar *infoLog);
+GLAPI PFNGLGETSHADERINFOLOGPROC glad_glGetShaderInfoLog;
+#define glGetShaderInfoLog glad_glGetShaderInfoLog
+typedef void (APIENTRYP PFNGLGETSHADERSOURCEPROC)(GLuint shader, GLsizei bufSize, GLsizei *length, GLchar *source);
+GLAPI PFNGLGETSHADERSOURCEPROC glad_glGetShaderSource;
+#define glGetShaderSource glad_glGetShaderSource
+typedef GLint (APIENTRYP PFNGLGETUNIFORMLOCATIONPROC)(GLuint program, const GLchar *name);
+GLAPI PFNGLGETUNIFORMLOCATIONPROC glad_glGetUniformLocation;
+#define glGetUniformLocation glad_glGetUniformLocation
+typedef void (APIENTRYP PFNGLGETUNIFORMFVPROC)(GLuint program, GLint location, GLfloat *params);
+GLAPI PFNGLGETUNIFORMFVPROC glad_glGetUniformfv;
+#define glGetUniformfv glad_glGetUniformfv
+typedef void (APIENTRYP PFNGLGETUNIFORMIVPROC)(GLuint program, GLint location, GLint *params);
+GLAPI PFNGLGETUNIFORMIVPROC glad_glGetUniformiv;
+#define glGetUniformiv glad_glGetUniformiv
+typedef void (APIENTRYP PFNGLGETVERTEXATTRIBDVPROC)(GLuint index, GLenum pname, GLdouble *params);
+GLAPI PFNGLGETVERTEXATTRIBDVPROC glad_glGetVertexAttribdv;
+#define glGetVertexAttribdv glad_glGetVertexAttribdv
+typedef void (APIENTRYP PFNGLGETVERTEXATTRIBFVPROC)(GLuint index, GLenum pname, GLfloat *params);
+GLAPI PFNGLGETVERTEXATTRIBFVPROC glad_glGetVertexAttribfv;
+#define glGetVertexAttribfv glad_glGetVertexAttribfv
+typedef void (APIENTRYP PFNGLGETVERTEXATTRIBIVPROC)(GLuint index, GLenum pname, GLint *params);
+GLAPI PFNGLGETVERTEXATTRIBIVPROC glad_glGetVertexAttribiv;
+#define glGetVertexAttribiv glad_glGetVertexAttribiv
+typedef void (APIENTRYP PFNGLGETVERTEXATTRIBPOINTERVPROC)(GLuint index, GLenum pname, void **pointer);
+GLAPI PFNGLGETVERTEXATTRIBPOINTERVPROC glad_glGetVertexAttribPointerv;
+#define glGetVertexAttribPointerv glad_glGetVertexAttribPointerv
+typedef GLboolean (APIENTRYP PFNGLISPROGRAMPROC)(GLuint program);
+GLAPI PFNGLISPROGRAMPROC glad_glIsProgram;
+#define glIsProgram glad_glIsProgram
+typedef GLboolean (APIENTRYP PFNGLISSHADERPROC)(GLuint shader);
+GLAPI PFNGLISSHADERPROC glad_glIsShader;
+#define glIsShader glad_glIsShader
+typedef void (APIENTRYP PFNGLLINKPROGRAMPROC)(GLuint program);
+GLAPI PFNGLLINKPROGRAMPROC glad_glLinkProgram;
+#define glLinkProgram glad_glLinkProgram
+typedef void (APIENTRYP PFNGLSHADERSOURCEPROC)(GLuint shader, GLsizei count, const GLchar *const*string, const GLint *length);
+GLAPI PFNGLSHADERSOURCEPROC glad_glShaderSource;
+#define glShaderSource glad_glShaderSource
+typedef void (APIENTRYP PFNGLUSEPROGRAMPROC)(GLuint program);
+GLAPI PFNGLUSEPROGRAMPROC glad_glUseProgram;
+#define glUseProgram glad_glUseProgram
+typedef void (APIENTRYP PFNGLUNIFORM1FPROC)(GLint location, GLfloat v0);
+GLAPI PFNGLUNIFORM1FPROC glad_glUniform1f;
+#define glUniform1f glad_glUniform1f
+typedef void (APIENTRYP PFNGLUNIFORM2FPROC)(GLint location, GLfloat v0, GLfloat v1);
+GLAPI PFNGLUNIFORM2FPROC glad_glUniform2f;
+#define glUniform2f glad_glUniform2f
+typedef void (APIENTRYP PFNGLUNIFORM3FPROC)(GLint location, GLfloat v0, GLfloat v1, GLfloat v2);
+GLAPI PFNGLUNIFORM3FPROC glad_glUniform3f;
+#define glUniform3f glad_glUniform3f
+typedef void (APIENTRYP PFNGLUNIFORM4FPROC)(GLint location, GLfloat v0, GLfloat v1, GLfloat v2, GLfloat v3);
+GLAPI PFNGLUNIFORM4FPROC glad_glUniform4f;
+#define glUniform4f glad_glUniform4f
+typedef void (APIENTRYP PFNGLUNIFORM1IPROC)(GLint location, GLint v0);
+GLAPI PFNGLUNIFORM1IPROC glad_glUniform1i;
+#define glUniform1i glad_glUniform1i
+typedef void (APIENTRYP PFNGLUNIFORM2IPROC)(GLint location, GLint v0, GLint v1);
+GLAPI PFNGLUNIFORM2IPROC glad_glUniform2i;
+#define glUniform2i glad_glUniform2i
+typedef void (APIENTRYP PFNGLUNIFORM3IPROC)(GLint location, GLint v0, GLint v1, GLint v2);
+GLAPI PFNGLUNIFORM3IPROC glad_glUniform3i;
+#define glUniform3i glad_glUniform3i
+typedef void (APIENTRYP PFNGLUNIFORM4IPROC)(GLint location, GLint v0, GLint v1, GLint v2, GLint v3);
+GLAPI PFNGLUNIFORM4IPROC glad_glUniform4i;
+#define glUniform4i glad_glUniform4i
+typedef void (APIENTRYP PFNGLUNIFORM1FVPROC)(GLint location, GLsizei count, const GLfloat *value);
+GLAPI PFNGLUNIFORM1FVPROC glad_glUniform1fv;
+#define glUniform1fv glad_glUniform1fv
+typedef void (APIENTRYP PFNGLUNIFORM2FVPROC)(GLint location, GLsizei count, const GLfloat *value);
+GLAPI PFNGLUNIFORM2FVPROC glad_glUniform2fv;
+#define glUniform2fv glad_glUniform2fv
+typedef void (APIENTRYP PFNGLUNIFORM3FVPROC)(GLint location, GLsizei count, const GLfloat *value);
+GLAPI PFNGLUNIFORM3FVPROC glad_glUniform3fv;
+#define glUniform3fv glad_glUniform3fv
+typedef void (APIENTRYP PFNGLUNIFORM4FVPROC)(GLint location, GLsizei count, const GLfloat *value);
+GLAPI PFNGLUNIFORM4FVPROC glad_glUniform4fv;
+#define glUniform4fv glad_glUniform4fv
+typedef void (APIENTRYP PFNGLUNIFORM1IVPROC)(GLint location, GLsizei count, const GLint *value);
+GLAPI PFNGLUNIFORM1IVPROC glad_glUniform1iv;
+#define glUniform1iv glad_glUniform1iv
+typedef void (APIENTRYP PFNGLUNIFORM2IVPROC)(GLint location, GLsizei count, const GLint *value);
+GLAPI PFNGLUNIFORM2IVPROC glad_glUniform2iv;
+#define glUniform2iv glad_glUniform2iv
+typedef void (APIENTRYP PFNGLUNIFORM3IVPROC)(GLint location, GLsizei count, const GLint *value);
+GLAPI PFNGLUNIFORM3IVPROC glad_glUniform3iv;
+#define glUniform3iv glad_glUniform3iv
+typedef void (APIENTRYP PFNGLUNIFORM4IVPROC)(GLint location, GLsizei count, const GLint *value);
+GLAPI PFNGLUNIFORM4IVPROC glad_glUniform4iv;
+#define glUniform4iv glad_glUniform4iv
+typedef void (APIENTRYP PFNGLUNIFORMMATRIX2FVPROC)(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value);
+GLAPI PFNGLUNIFORMMATRIX2FVPROC glad_glUniformMatrix2fv;
+#define glUniformMatrix2fv glad_glUniformMatrix2fv
+typedef void (APIENTRYP PFNGLUNIFORMMATRIX3FVPROC)(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value);
+GLAPI PFNGLUNIFORMMATRIX3FVPROC glad_glUniformMatrix3fv;
+#define glUniformMatrix3fv glad_glUniformMatrix3fv
+typedef void (APIENTRYP PFNGLUNIFORMMATRIX4FVPROC)(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value);
+GLAPI PFNGLUNIFORMMATRIX4FVPROC glad_glUniformMatrix4fv;
+#define glUniformMatrix4fv glad_glUniformMatrix4fv
+typedef void (APIENTRYP PFNGLVALIDATEPROGRAMPROC)(GLuint program);
+GLAPI PFNGLVALIDATEPROGRAMPROC glad_glValidateProgram;
+#define glValidateProgram glad_glValidateProgram
+typedef void (APIENTRYP PFNGLVERTEXATTRIB1DPROC)(GLuint index, GLdouble x);
+GLAPI PFNGLVERTEXATTRIB1DPROC glad_glVertexAttrib1d;
+#define glVertexAttrib1d glad_glVertexAttrib1d
+typedef void (APIENTRYP PFNGLVERTEXATTRIB1DVPROC)(GLuint index, const GLdouble *v);
+GLAPI PFNGLVERTEXATTRIB1DVPROC glad_glVertexAttrib1dv;
+#define glVertexAttrib1dv glad_glVertexAttrib1dv
+typedef void (APIENTRYP PFNGLVERTEXATTRIB1FPROC)(GLuint index, GLfloat x);
+GLAPI PFNGLVERTEXATTRIB1FPROC glad_glVertexAttrib1f;
+#define glVertexAttrib1f glad_glVertexAttrib1f
+typedef void (APIENTRYP PFNGLVERTEXATTRIB1FVPROC)(GLuint index, const GLfloat *v);
+GLAPI PFNGLVERTEXATTRIB1FVPROC glad_glVertexAttrib1fv;
+#define glVertexAttrib1fv glad_glVertexAttrib1fv
+typedef void (APIENTRYP PFNGLVERTEXATTRIB1SPROC)(GLuint index, GLshort x);
+GLAPI PFNGLVERTEXATTRIB1SPROC glad_glVertexAttrib1s;
+#define glVertexAttrib1s glad_glVertexAttrib1s
+typedef void (APIENTRYP PFNGLVERTEXATTRIB1SVPROC)(GLuint index, const GLshort *v);
+GLAPI PFNGLVERTEXATTRIB1SVPROC glad_glVertexAttrib1sv;
+#define glVertexAttrib1sv glad_glVertexAttrib1sv
+typedef void (APIENTRYP PFNGLVERTEXATTRIB2DPROC)(GLuint index, GLdouble x, GLdouble y);
+GLAPI PFNGLVERTEXATTRIB2DPROC glad_glVertexAttrib2d;
+#define glVertexAttrib2d glad_glVertexAttrib2d
+typedef void (APIENTRYP PFNGLVERTEXATTRIB2DVPROC)(GLuint index, const GLdouble *v);
+GLAPI PFNGLVERTEXATTRIB2DVPROC glad_glVertexAttrib2dv;
+#define glVertexAttrib2dv glad_glVertexAttrib2dv
+typedef void (APIENTRYP PFNGLVERTEXATTRIB2FPROC)(GLuint index, GLfloat x, GLfloat y);
+GLAPI PFNGLVERTEXATTRIB2FPROC glad_glVertexAttrib2f;
+#define glVertexAttrib2f glad_glVertexAttrib2f
+typedef void (APIENTRYP PFNGLVERTEXATTRIB2FVPROC)(GLuint index, const GLfloat *v);
+GLAPI PFNGLVERTEXATTRIB2FVPROC glad_glVertexAttrib2fv;
+#define glVertexAttrib2fv glad_glVertexAttrib2fv
+typedef void (APIENTRYP PFNGLVERTEXATTRIB2SPROC)(GLuint index, GLshort x, GLshort y);
+GLAPI PFNGLVERTEXATTRIB2SPROC glad_glVertexAttrib2s;
+#define glVertexAttrib2s glad_glVertexAttrib2s
+typedef void (APIENTRYP PFNGLVERTEXATTRIB2SVPROC)(GLuint index, const GLshort *v);
+GLAPI PFNGLVERTEXATTRIB2SVPROC glad_glVertexAttrib2sv;
+#define glVertexAttrib2sv glad_glVertexAttrib2sv
+typedef void (APIENTRYP PFNGLVERTEXATTRIB3DPROC)(GLuint index, GLdouble x, GLdouble y, GLdouble z);
+GLAPI PFNGLVERTEXATTRIB3DPROC glad_glVertexAttrib3d;
+#define glVertexAttrib3d glad_glVertexAttrib3d
+typedef void (APIENTRYP PFNGLVERTEXATTRIB3DVPROC)(GLuint index, const GLdouble *v);
+GLAPI PFNGLVERTEXATTRIB3DVPROC glad_glVertexAttrib3dv;
+#define glVertexAttrib3dv glad_glVertexAttrib3dv
+typedef void (APIENTRYP PFNGLVERTEXATTRIB3FPROC)(GLuint index, GLfloat x, GLfloat y, GLfloat z);
+GLAPI PFNGLVERTEXATTRIB3FPROC glad_glVertexAttrib3f;
+#define glVertexAttrib3f glad_glVertexAttrib3f
+typedef void (APIENTRYP PFNGLVERTEXATTRIB3FVPROC)(GLuint index, const GLfloat *v);
+GLAPI PFNGLVERTEXATTRIB3FVPROC glad_glVertexAttrib3fv;
+#define glVertexAttrib3fv glad_glVertexAttrib3fv
+typedef void (APIENTRYP PFNGLVERTEXATTRIB3SPROC)(GLuint index, GLshort x, GLshort y, GLshort z);
+GLAPI PFNGLVERTEXATTRIB3SPROC glad_glVertexAttrib3s;
+#define glVertexAttrib3s glad_glVertexAttrib3s
+typedef void (APIENTRYP PFNGLVERTEXATTRIB3SVPROC)(GLuint index, const GLshort *v);
+GLAPI PFNGLVERTEXATTRIB3SVPROC glad_glVertexAttrib3sv;
+#define glVertexAttrib3sv glad_glVertexAttrib3sv
+typedef void (APIENTRYP PFNGLVERTEXATTRIB4NBVPROC)(GLuint index, const GLbyte *v);
+GLAPI PFNGLVERTEXATTRIB4NBVPROC glad_glVertexAttrib4Nbv;
+#define glVertexAttrib4Nbv glad_glVertexAttrib4Nbv
+typedef void (APIENTRYP PFNGLVERTEXATTRIB4NIVPROC)(GLuint index, const GLint *v);
+GLAPI PFNGLVERTEXATTRIB4NIVPROC glad_glVertexAttrib4Niv;
+#define glVertexAttrib4Niv glad_glVertexAttrib4Niv
+typedef void (APIENTRYP PFNGLVERTEXATTRIB4NSVPROC)(GLuint index, const GLshort *v);
+GLAPI PFNGLVERTEXATTRIB4NSVPROC glad_glVertexAttrib4Nsv;
+#define glVertexAttrib4Nsv glad_glVertexAttrib4Nsv
+typedef void (APIENTRYP PFNGLVERTEXATTRIB4NUBPROC)(GLuint index, GLubyte x, GLubyte y, GLubyte z, GLubyte w);
+GLAPI PFNGLVERTEXATTRIB4NUBPROC glad_glVertexAttrib4Nub;
+#define glVertexAttrib4Nub glad_glVertexAttrib4Nub
+typedef void (APIENTRYP PFNGLVERTEXATTRIB4NUBVPROC)(GLuint index, const GLubyte *v);
+GLAPI PFNGLVERTEXATTRIB4NUBVPROC glad_glVertexAttrib4Nubv;
+#define glVertexAttrib4Nubv glad_glVertexAttrib4Nubv
+typedef void (APIENTRYP PFNGLVERTEXATTRIB4NUIVPROC)(GLuint index, const GLuint *v);
+GLAPI PFNGLVERTEXATTRIB4NUIVPROC glad_glVertexAttrib4Nuiv;
+#define glVertexAttrib4Nuiv glad_glVertexAttrib4Nuiv
+typedef void (APIENTRYP PFNGLVERTEXATTRIB4NUSVPROC)(GLuint index, const GLushort *v);
+GLAPI PFNGLVERTEXATTRIB4NUSVPROC glad_glVertexAttrib4Nusv;
+#define glVertexAttrib4Nusv glad_glVertexAttrib4Nusv
+typedef void (APIENTRYP PFNGLVERTEXATTRIB4BVPROC)(GLuint index, const GLbyte *v);
+GLAPI PFNGLVERTEXATTRIB4BVPROC glad_glVertexAttrib4bv;
+#define glVertexAttrib4bv glad_glVertexAttrib4bv
+typedef void (APIENTRYP PFNGLVERTEXATTRIB4DPROC)(GLuint index, GLdouble x, GLdouble y, GLdouble z, GLdouble w);
+GLAPI PFNGLVERTEXATTRIB4DPROC glad_glVertexAttrib4d;
+#define glVertexAttrib4d glad_glVertexAttrib4d
+typedef void (APIENTRYP PFNGLVERTEXATTRIB4DVPROC)(GLuint index, const GLdouble *v);
+GLAPI PFNGLVERTEXATTRIB4DVPROC glad_glVertexAttrib4dv;
+#define glVertexAttrib4dv glad_glVertexAttrib4dv
+typedef void (APIENTRYP PFNGLVERTEXATTRIB4FPROC)(GLuint index, GLfloat x, GLfloat y, GLfloat z, GLfloat w);
+GLAPI PFNGLVERTEXATTRIB4FPROC glad_glVertexAttrib4f;
+#define glVertexAttrib4f glad_glVertexAttrib4f
+typedef void (APIENTRYP PFNGLVERTEXATTRIB4FVPROC)(GLuint index, const GLfloat *v);
+GLAPI PFNGLVERTEXATTRIB4FVPROC glad_glVertexAttrib4fv;
+#define glVertexAttrib4fv glad_glVertexAttrib4fv
+typedef void (APIENTRYP PFNGLVERTEXATTRIB4IVPROC)(GLuint index, const GLint *v);
+GLAPI PFNGLVERTEXATTRIB4IVPROC glad_glVertexAttrib4iv;
+#define glVertexAttrib4iv glad_glVertexAttrib4iv
+typedef void (APIENTRYP PFNGLVERTEXATTRIB4SPROC)(GLuint index, GLshort x, GLshort y, GLshort z, GLshort w);
+GLAPI PFNGLVERTEXATTRIB4SPROC glad_glVertexAttrib4s;
+#define glVertexAttrib4s glad_glVertexAttrib4s
+typedef void (APIENTRYP PFNGLVERTEXATTRIB4SVPROC)(GLuint index, const GLshort *v);
+GLAPI PFNGLVERTEXATTRIB4SVPROC glad_glVertexAttrib4sv;
+#define glVertexAttrib4sv glad_glVertexAttrib4sv
+typedef void (APIENTRYP PFNGLVERTEXATTRIB4UBVPROC)(GLuint index, const GLubyte *v);
+GLAPI PFNGLVERTEXATTRIB4UBVPROC glad_glVertexAttrib4ubv;
+#define glVertexAttrib4ubv glad_glVertexAttrib4ubv
+typedef void (APIENTRYP PFNGLVERTEXATTRIB4UIVPROC)(GLuint index, const GLuint *v);
+GLAPI PFNGLVERTEXATTRIB4UIVPROC glad_glVertexAttrib4uiv;
+#define glVertexAttrib4uiv glad_glVertexAttrib4uiv
+typedef void (APIENTRYP PFNGLVERTEXATTRIB4USVPROC)(GLuint index, const GLushort *v);
+GLAPI PFNGLVERTEXATTRIB4USVPROC glad_glVertexAttrib4usv;
+#define glVertexAttrib4usv glad_glVertexAttrib4usv
+typedef void (APIENTRYP PFNGLVERTEXATTRIBPOINTERPROC)(GLuint index, GLint size, GLenum type, GLboolean normalized, GLsizei stride, const void *pointer);
+GLAPI PFNGLVERTEXATTRIBPOINTERPROC glad_glVertexAttribPointer;
+#define glVertexAttribPointer glad_glVertexAttribPointer
+#endif
+#ifndef GL_VERSION_2_1
+#define GL_VERSION_2_1 1
+GLAPI int GLAD_GL_VERSION_2_1;
+typedef void (APIENTRYP PFNGLUNIFORMMATRIX2X3FVPROC)(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value);
+GLAPI PFNGLUNIFORMMATRIX2X3FVPROC glad_glUniformMatrix2x3fv;
+#define glUniformMatrix2x3fv glad_glUniformMatrix2x3fv
+typedef void (APIENTRYP PFNGLUNIFORMMATRIX3X2FVPROC)(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value);
+GLAPI PFNGLUNIFORMMATRIX3X2FVPROC glad_glUniformMatrix3x2fv;
+#define glUniformMatrix3x2fv glad_glUniformMatrix3x2fv
+typedef void (APIENTRYP PFNGLUNIFORMMATRIX2X4FVPROC)(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value);
+GLAPI PFNGLUNIFORMMATRIX2X4FVPROC glad_glUniformMatrix2x4fv;
+#define glUniformMatrix2x4fv glad_glUniformMatrix2x4fv
+typedef void (APIENTRYP PFNGLUNIFORMMATRIX4X2FVPROC)(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value);
+GLAPI PFNGLUNIFORMMATRIX4X2FVPROC glad_glUniformMatrix4x2fv;
+#define glUniformMatrix4x2fv glad_glUniformMatrix4x2fv
+typedef void (APIENTRYP PFNGLUNIFORMMATRIX3X4FVPROC)(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value);
+GLAPI PFNGLUNIFORMMATRIX3X4FVPROC glad_glUniformMatrix3x4fv;
+#define glUniformMatrix3x4fv glad_glUniformMatrix3x4fv
+typedef void (APIENTRYP PFNGLUNIFORMMATRIX4X3FVPROC)(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value);
+GLAPI PFNGLUNIFORMMATRIX4X3FVPROC glad_glUniformMatrix4x3fv;
+#define glUniformMatrix4x3fv glad_glUniformMatrix4x3fv
+#endif
+#define GL_DEPTH_COMPONENT16_ARB 0x81A5
+#define GL_DEPTH_COMPONENT24_ARB 0x81A6
+#define GL_DEPTH_COMPONENT32_ARB 0x81A7
+#define GL_TEXTURE_DEPTH_SIZE_ARB 0x884A
+#define GL_DEPTH_TEXTURE_MODE_ARB 0x884B
+#define GL_INVALID_FRAMEBUFFER_OPERATION 0x0506
+#define GL_FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING 0x8210
+#define GL_FRAMEBUFFER_ATTACHMENT_COMPONENT_TYPE 0x8211
+#define GL_FRAMEBUFFER_ATTACHMENT_RED_SIZE 0x8212
+#define GL_FRAMEBUFFER_ATTACHMENT_GREEN_SIZE 0x8213
+#define GL_FRAMEBUFFER_ATTACHMENT_BLUE_SIZE 0x8214
+#define GL_FRAMEBUFFER_ATTACHMENT_ALPHA_SIZE 0x8215
+#define GL_FRAMEBUFFER_ATTACHMENT_DEPTH_SIZE 0x8216
+#define GL_FRAMEBUFFER_ATTACHMENT_STENCIL_SIZE 0x8217
+#define GL_FRAMEBUFFER_DEFAULT 0x8218
+#define GL_FRAMEBUFFER_UNDEFINED 0x8219
+#define GL_DEPTH_STENCIL_ATTACHMENT 0x821A
+#define GL_MAX_RENDERBUFFER_SIZE 0x84E8
+#define GL_DEPTH_STENCIL 0x84F9
+#define GL_UNSIGNED_INT_24_8 0x84FA
+#define GL_DEPTH24_STENCIL8 0x88F0
+#define GL_TEXTURE_STENCIL_SIZE 0x88F1
+#define GL_UNSIGNED_NORMALIZED 0x8C17
+#define GL_FRAMEBUFFER_BINDING 0x8CA6
+#define GL_DRAW_FRAMEBUFFER_BINDING 0x8CA6
+#define GL_RENDERBUFFER_BINDING 0x8CA7
+#define GL_READ_FRAMEBUFFER 0x8CA8
+#define GL_DRAW_FRAMEBUFFER 0x8CA9
+#define GL_READ_FRAMEBUFFER_BINDING 0x8CAA
+#define GL_RENDERBUFFER_SAMPLES 0x8CAB
+#define GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE 0x8CD0
+#define GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME 0x8CD1
+#define GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL 0x8CD2
+#define GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_CUBE_MAP_FACE 0x8CD3
+#define GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_LAYER 0x8CD4
+#define GL_FRAMEBUFFER_COMPLETE 0x8CD5
+#define GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT 0x8CD6
+#define GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT 0x8CD7
+#define GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER 0x8CDB
+#define GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER 0x8CDC
+#define GL_FRAMEBUFFER_UNSUPPORTED 0x8CDD
+#define GL_MAX_COLOR_ATTACHMENTS 0x8CDF
+#define GL_COLOR_ATTACHMENT0 0x8CE0
+#define GL_COLOR_ATTACHMENT1 0x8CE1
+#define GL_COLOR_ATTACHMENT2 0x8CE2
+#define GL_COLOR_ATTACHMENT3 0x8CE3
+#define GL_COLOR_ATTACHMENT4 0x8CE4
+#define GL_COLOR_ATTACHMENT5 0x8CE5
+#define GL_COLOR_ATTACHMENT6 0x8CE6
+#define GL_COLOR_ATTACHMENT7 0x8CE7
+#define GL_COLOR_ATTACHMENT8 0x8CE8
+#define GL_COLOR_ATTACHMENT9 0x8CE9
+#define GL_COLOR_ATTACHMENT10 0x8CEA
+#define GL_COLOR_ATTACHMENT11 0x8CEB
+#define GL_COLOR_ATTACHMENT12 0x8CEC
+#define GL_COLOR_ATTACHMENT13 0x8CED
+#define GL_COLOR_ATTACHMENT14 0x8CEE
+#define GL_COLOR_ATTACHMENT15 0x8CEF
+#define GL_DEPTH_ATTACHMENT 0x8D00
+#define GL_STENCIL_ATTACHMENT 0x8D20
+#define GL_FRAMEBUFFER 0x8D40
+#define GL_RENDERBUFFER 0x8D41
+#define GL_RENDERBUFFER_WIDTH 0x8D42
+#define GL_RENDERBUFFER_HEIGHT 0x8D43
+#define GL_RENDERBUFFER_INTERNAL_FORMAT 0x8D44
+#define GL_STENCIL_INDEX1 0x8D46
+#define GL_STENCIL_INDEX4 0x8D47
+#define GL_STENCIL_INDEX8 0x8D48
+#define GL_STENCIL_INDEX16 0x8D49
+#define GL_RENDERBUFFER_RED_SIZE 0x8D50
+#define GL_RENDERBUFFER_GREEN_SIZE 0x8D51
+#define GL_RENDERBUFFER_BLUE_SIZE 0x8D52
+#define GL_RENDERBUFFER_ALPHA_SIZE 0x8D53
+#define GL_RENDERBUFFER_DEPTH_SIZE 0x8D54
+#define GL_RENDERBUFFER_STENCIL_SIZE 0x8D55
+#define GL_FRAMEBUFFER_INCOMPLETE_MULTISAMPLE 0x8D56
+#define GL_MAX_SAMPLES 0x8D57
+#define GL_INDEX 0x8222
+#define GL_VERTEX_ATTRIB_ARRAY_DIVISOR_ARB 0x88FE
+#define GL_TEXTURE_COMPARE_MODE_ARB 0x884C
+#define GL_TEXTURE_COMPARE_FUNC_ARB 0x884D
+#define GL_COMPARE_R_TO_TEXTURE_ARB 0x884E
+#define GL_TEXTURE_MAX_ANISOTROPY 0x84FE
+#define GL_MAX_TEXTURE_MAX_ANISOTROPY 0x84FF
+#ifndef GL_ARB_depth_texture
+#define GL_ARB_depth_texture 1
+GLAPI int GLAD_GL_ARB_depth_texture;
+#endif
+#ifndef GL_ARB_draw_instanced
+#define GL_ARB_draw_instanced 1
+GLAPI int GLAD_GL_ARB_draw_instanced;
+typedef void (APIENTRYP PFNGLDRAWARRAYSINSTANCEDARBPROC)(GLenum mode, GLint first, GLsizei count, GLsizei primcount);
+GLAPI PFNGLDRAWARRAYSINSTANCEDARBPROC glad_glDrawArraysInstancedARB;
+#define glDrawArraysInstancedARB glad_glDrawArraysInstancedARB
+typedef void (APIENTRYP PFNGLDRAWELEMENTSINSTANCEDARBPROC)(GLenum mode, GLsizei count, GLenum type, const void *indices, GLsizei primcount);
+GLAPI PFNGLDRAWELEMENTSINSTANCEDARBPROC glad_glDrawElementsInstancedARB;
+#define glDrawElementsInstancedARB glad_glDrawElementsInstancedARB
+#endif
+#ifndef GL_ARB_framebuffer_object
+#define GL_ARB_framebuffer_object 1
+GLAPI int GLAD_GL_ARB_framebuffer_object;
+typedef GLboolean (APIENTRYP PFNGLISRENDERBUFFERPROC)(GLuint renderbuffer);
+GLAPI PFNGLISRENDERBUFFERPROC glad_glIsRenderbuffer;
+#define glIsRenderbuffer glad_glIsRenderbuffer
+typedef void (APIENTRYP PFNGLBINDRENDERBUFFERPROC)(GLenum target, GLuint renderbuffer);
+GLAPI PFNGLBINDRENDERBUFFERPROC glad_glBindRenderbuffer;
+#define glBindRenderbuffer glad_glBindRenderbuffer
+typedef void (APIENTRYP PFNGLDELETERENDERBUFFERSPROC)(GLsizei n, const GLuint *renderbuffers);
+GLAPI PFNGLDELETERENDERBUFFERSPROC glad_glDeleteRenderbuffers;
+#define glDeleteRenderbuffers glad_glDeleteRenderbuffers
+typedef void (APIENTRYP PFNGLGENRENDERBUFFERSPROC)(GLsizei n, GLuint *renderbuffers);
+GLAPI PFNGLGENRENDERBUFFERSPROC glad_glGenRenderbuffers;
+#define glGenRenderbuffers glad_glGenRenderbuffers
+typedef void (APIENTRYP PFNGLRENDERBUFFERSTORAGEPROC)(GLenum target, GLenum internalformat, GLsizei width, GLsizei height);
+GLAPI PFNGLRENDERBUFFERSTORAGEPROC glad_glRenderbufferStorage;
+#define glRenderbufferStorage glad_glRenderbufferStorage
+typedef void (APIENTRYP PFNGLGETRENDERBUFFERPARAMETERIVPROC)(GLenum target, GLenum pname, GLint *params);
+GLAPI PFNGLGETRENDERBUFFERPARAMETERIVPROC glad_glGetRenderbufferParameteriv;
+#define glGetRenderbufferParameteriv glad_glGetRenderbufferParameteriv
+typedef GLboolean (APIENTRYP PFNGLISFRAMEBUFFERPROC)(GLuint framebuffer);
+GLAPI PFNGLISFRAMEBUFFERPROC glad_glIsFramebuffer;
+#define glIsFramebuffer glad_glIsFramebuffer
+typedef void (APIENTRYP PFNGLBINDFRAMEBUFFERPROC)(GLenum target, GLuint framebuffer);
+GLAPI PFNGLBINDFRAMEBUFFERPROC glad_glBindFramebuffer;
+#define glBindFramebuffer glad_glBindFramebuffer
+typedef void (APIENTRYP PFNGLDELETEFRAMEBUFFERSPROC)(GLsizei n, const GLuint *framebuffers);
+GLAPI PFNGLDELETEFRAMEBUFFERSPROC glad_glDeleteFramebuffers;
+#define glDeleteFramebuffers glad_glDeleteFramebuffers
+typedef void (APIENTRYP PFNGLGENFRAMEBUFFERSPROC)(GLsizei n, GLuint *framebuffers);
+GLAPI PFNGLGENFRAMEBUFFERSPROC glad_glGenFramebuffers;
+#define glGenFramebuffers glad_glGenFramebuffers
+typedef GLenum (APIENTRYP PFNGLCHECKFRAMEBUFFERSTATUSPROC)(GLenum target);
+GLAPI PFNGLCHECKFRAMEBUFFERSTATUSPROC glad_glCheckFramebufferStatus;
+#define glCheckFramebufferStatus glad_glCheckFramebufferStatus
+typedef void (APIENTRYP PFNGLFRAMEBUFFERTEXTURE1DPROC)(GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level);
+GLAPI PFNGLFRAMEBUFFERTEXTURE1DPROC glad_glFramebufferTexture1D;
+#define glFramebufferTexture1D glad_glFramebufferTexture1D
+typedef void (APIENTRYP PFNGLFRAMEBUFFERTEXTURE2DPROC)(GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level);
+GLAPI PFNGLFRAMEBUFFERTEXTURE2DPROC glad_glFramebufferTexture2D;
+#define glFramebufferTexture2D glad_glFramebufferTexture2D
+typedef void (APIENTRYP PFNGLFRAMEBUFFERTEXTURE3DPROC)(GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level, GLint zoffset);
+GLAPI PFNGLFRAMEBUFFERTEXTURE3DPROC glad_glFramebufferTexture3D;
+#define glFramebufferTexture3D glad_glFramebufferTexture3D
+typedef void (APIENTRYP PFNGLFRAMEBUFFERRENDERBUFFERPROC)(GLenum target, GLenum attachment, GLenum renderbuffertarget, GLuint renderbuffer);
+GLAPI PFNGLFRAMEBUFFERRENDERBUFFERPROC glad_glFramebufferRenderbuffer;
+#define glFramebufferRenderbuffer glad_glFramebufferRenderbuffer
+typedef void (APIENTRYP PFNGLGETFRAMEBUFFERATTACHMENTPARAMETERIVPROC)(GLenum target, GLenum attachment, GLenum pname, GLint *params);
+GLAPI PFNGLGETFRAMEBUFFERATTACHMENTPARAMETERIVPROC glad_glGetFramebufferAttachmentParameteriv;
+#define glGetFramebufferAttachmentParameteriv glad_glGetFramebufferAttachmentParameteriv
+typedef void (APIENTRYP PFNGLGENERATEMIPMAPPROC)(GLenum target);
+GLAPI PFNGLGENERATEMIPMAPPROC glad_glGenerateMipmap;
+#define glGenerateMipmap glad_glGenerateMipmap
+typedef void (APIENTRYP PFNGLBLITFRAMEBUFFERPROC)(GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1, GLbitfield mask, GLenum filter);
+GLAPI PFNGLBLITFRAMEBUFFERPROC glad_glBlitFramebuffer;
+#define glBlitFramebuffer glad_glBlitFramebuffer
+typedef void (APIENTRYP PFNGLRENDERBUFFERSTORAGEMULTISAMPLEPROC)(GLenum target, GLsizei samples, GLenum internalformat, GLsizei width, GLsizei height);
+GLAPI PFNGLRENDERBUFFERSTORAGEMULTISAMPLEPROC glad_glRenderbufferStorageMultisample;
+#define glRenderbufferStorageMultisample glad_glRenderbufferStorageMultisample
+typedef void (APIENTRYP PFNGLFRAMEBUFFERTEXTURELAYERPROC)(GLenum target, GLenum attachment, GLuint texture, GLint level, GLint layer);
+GLAPI PFNGLFRAMEBUFFERTEXTURELAYERPROC glad_glFramebufferTextureLayer;
+#define glFramebufferTextureLayer glad_glFramebufferTextureLayer
+#endif
+#ifndef GL_ARB_instanced_arrays
+#define GL_ARB_instanced_arrays 1
+GLAPI int GLAD_GL_ARB_instanced_arrays;
+typedef void (APIENTRYP PFNGLVERTEXATTRIBDIVISORARBPROC)(GLuint index, GLuint divisor);
+GLAPI PFNGLVERTEXATTRIBDIVISORARBPROC glad_glVertexAttribDivisorARB;
+#define glVertexAttribDivisorARB glad_glVertexAttribDivisorARB
+#endif
+#ifndef GL_ARB_shadow
+#define GL_ARB_shadow 1
+GLAPI int GLAD_GL_ARB_shadow;
+#endif
+#ifndef GL_ARB_texture_filter_anisotropic
+#define GL_ARB_texture_filter_anisotropic 1
+GLAPI int GLAD_GL_ARB_texture_filter_anisotropic;
+#endif
 
 #ifdef __cplusplus
 }

src/glad.c

@@ -1,22 +1,27 @@
 /*
 
-    OpenGL loader generated by glad 0.1.36 on Fri Jan 26 14:22:05 2024.
+    OpenGL loader generated by glad 0.1.36 on Wed May  7 15:49:23 2025.
 
     Language/Generator: C/C++
     Specification: gl
-    APIs: gl=1.5
+    APIs: gl=2.1
     Profile: compatibility
     Extensions:
-        
+        GL_ARB_depth_texture,
+        GL_ARB_draw_instanced,
+        GL_ARB_framebuffer_object,
+        GL_ARB_instanced_arrays,
+        GL_ARB_shadow,
+        GL_ARB_texture_filter_anisotropic
     Loader: True
     Local files: False
     Omit khrplatform: False
     Reproducible: False
 
     Commandline:
-        --profile="compatibility" --api="gl=1.5" --generator="c" --spec="gl" --extensions=""
+        --profile="compatibility" --api="gl=2.1" --generator="c" --spec="gl" --extensions="GL_ARB_depth_texture,GL_ARB_draw_instanced,GL_ARB_framebuffer_object,GL_ARB_instanced_arrays,GL_ARB_shadow,GL_ARB_texture_filter_anisotropic"
     Online:
-        https://glad.dav1d.de/#profile=compatibility&language=c&specification=gl&loader=on&api=gl%3D1.5
+        https://glad.dav1d.de/#profile=compatibility&language=c&specification=gl&loader=on&api=gl%3D2.1&extensions=GL_ARB_depth_texture&extensions=GL_ARB_draw_instanced&extensions=GL_ARB_framebuffer_object&extensions=GL_ARB_instanced_arrays&extensions=GL_ARB_shadow&extensions=GL_ARB_texture_filter_anisotropic
 */
 
 #include <stdio.h>
@@ -176,7 +181,7 @@ static int get_exts(void) {
         exts = (const char *)glGetString(GL_EXTENSIONS);
 #ifdef _GLAD_IS_SOME_NEW_VERSION
     } else {
-        unsigned int index;
+        int index;
 
         num_exts_i = 0;
         glGetIntegerv(GL_NUM_EXTENSIONS, &num_exts_i);
@@ -188,7 +193,7 @@ static int get_exts(void) {
             return 0;
         }
 
-        for(index = 0; index < (unsigned)num_exts_i; index++) {
+        for(index = 0; index < num_exts_i; index++) {
             const char *gl_str_tmp = (const char*)glGetStringi(GL_EXTENSIONS, index);
             size_t len = strlen(gl_str_tmp);
 
@@ -261,18 +266,23 @@ int GLAD_GL_VERSION_1_2 = 0;
 int GLAD_GL_VERSION_1_3 = 0;
 int GLAD_GL_VERSION_1_4 = 0;
 int GLAD_GL_VERSION_1_5 = 0;
+int GLAD_GL_VERSION_2_0 = 0;
+int GLAD_GL_VERSION_2_1 = 0;
 PFNGLACCUMPROC glad_glAccum = NULL;
 PFNGLACTIVETEXTUREPROC glad_glActiveTexture = NULL;
 PFNGLALPHAFUNCPROC glad_glAlphaFunc = NULL;
 PFNGLARETEXTURESRESIDENTPROC glad_glAreTexturesResident = NULL;
 PFNGLARRAYELEMENTPROC glad_glArrayElement = NULL;
+PFNGLATTACHSHADERPROC glad_glAttachShader = NULL;
 PFNGLBEGINPROC glad_glBegin = NULL;
 PFNGLBEGINQUERYPROC glad_glBeginQuery = NULL;
+PFNGLBINDATTRIBLOCATIONPROC glad_glBindAttribLocation = NULL;
 PFNGLBINDBUFFERPROC glad_glBindBuffer = NULL;
 PFNGLBINDTEXTUREPROC glad_glBindTexture = NULL;
 PFNGLBITMAPPROC glad_glBitmap = NULL;
 PFNGLBLENDCOLORPROC glad_glBlendColor = NULL;
 PFNGLBLENDEQUATIONPROC glad_glBlendEquation = NULL;
+PFNGLBLENDEQUATIONSEPARATEPROC glad_glBlendEquationSeparate = NULL;
 PFNGLBLENDFUNCPROC glad_glBlendFunc = NULL;
 PFNGLBLENDFUNCSEPARATEPROC glad_glBlendFuncSeparate = NULL;
 PFNGLBUFFERDATAPROC glad_glBufferData = NULL;
@@ -322,6 +332,7 @@ PFNGLCOLOR4USVPROC glad_glColor4usv = NULL;
 PFNGLCOLORMASKPROC glad_glColorMask = NULL;
 PFNGLCOLORMATERIALPROC glad_glColorMaterial = NULL;
 PFNGLCOLORPOINTERPROC glad_glColorPointer = NULL;
+PFNGLCOMPILESHADERPROC glad_glCompileShader = NULL;
 PFNGLCOMPRESSEDTEXIMAGE1DPROC glad_glCompressedTexImage1D = NULL;
 PFNGLCOMPRESSEDTEXIMAGE2DPROC glad_glCompressedTexImage2D = NULL;
 PFNGLCOMPRESSEDTEXIMAGE3DPROC glad_glCompressedTexImage3D = NULL;
@@ -334,18 +345,25 @@ PFNGLCOPYTEXIMAGE2DPROC glad_glCopyTexImage2D = NULL;
 PFNGLCOPYTEXSUBIMAGE1DPROC glad_glCopyTexSubImage1D = NULL;
 PFNGLCOPYTEXSUBIMAGE2DPROC glad_glCopyTexSubImage2D = NULL;
 PFNGLCOPYTEXSUBIMAGE3DPROC glad_glCopyTexSubImage3D = NULL;
+PFNGLCREATEPROGRAMPROC glad_glCreateProgram = NULL;
+PFNGLCREATESHADERPROC glad_glCreateShader = NULL;
 PFNGLCULLFACEPROC glad_glCullFace = NULL;
 PFNGLDELETEBUFFERSPROC glad_glDeleteBuffers = NULL;
 PFNGLDELETELISTSPROC glad_glDeleteLists = NULL;
+PFNGLDELETEPROGRAMPROC glad_glDeleteProgram = NULL;
 PFNGLDELETEQUERIESPROC glad_glDeleteQueries = NULL;
+PFNGLDELETESHADERPROC glad_glDeleteShader = NULL;
 PFNGLDELETETEXTURESPROC glad_glDeleteTextures = NULL;
 PFNGLDEPTHFUNCPROC glad_glDepthFunc = NULL;
 PFNGLDEPTHMASKPROC glad_glDepthMask = NULL;
 PFNGLDEPTHRANGEPROC glad_glDepthRange = NULL;
+PFNGLDETACHSHADERPROC glad_glDetachShader = NULL;
 PFNGLDISABLEPROC glad_glDisable = NULL;
 PFNGLDISABLECLIENTSTATEPROC glad_glDisableClientState = NULL;
+PFNGLDISABLEVERTEXATTRIBARRAYPROC glad_glDisableVertexAttribArray = NULL;
 PFNGLDRAWARRAYSPROC glad_glDrawArrays = NULL;
 PFNGLDRAWBUFFERPROC glad_glDrawBuffer = NULL;
+PFNGLDRAWBUFFERSPROC glad_glDrawBuffers = NULL;
 PFNGLDRAWELEMENTSPROC glad_glDrawElements = NULL;
 PFNGLDRAWPIXELSPROC glad_glDrawPixels = NULL;
 PFNGLDRAWRANGEELEMENTSPROC glad_glDrawRangeElements = NULL;
@@ -354,6 +372,7 @@ PFNGLEDGEFLAGPOINTERPROC glad_glEdgeFlagPointer = NULL;
 PFNGLEDGEFLAGVPROC glad_glEdgeFlagv = NULL;
 PFNGLENABLEPROC glad_glEnable = NULL;
 PFNGLENABLECLIENTSTATEPROC glad_glEnableClientState = NULL;
+PFNGLENABLEVERTEXATTRIBARRAYPROC glad_glEnableVertexAttribArray = NULL;
 PFNGLENDPROC glad_glEnd = NULL;
 PFNGLENDLISTPROC glad_glEndList = NULL;
 PFNGLENDQUERYPROC glad_glEndQuery = NULL;
@@ -387,6 +406,10 @@ PFNGLGENBUFFERSPROC glad_glGenBuffers = NULL;
 PFNGLGENLISTSPROC glad_glGenLists = NULL;
 PFNGLGENQUERIESPROC glad_glGenQueries = NULL;
 PFNGLGENTEXTURESPROC glad_glGenTextures = NULL;
+PFNGLGETACTIVEATTRIBPROC glad_glGetActiveAttrib = NULL;
+PFNGLGETACTIVEUNIFORMPROC glad_glGetActiveUniform = NULL;
+PFNGLGETATTACHEDSHADERSPROC glad_glGetAttachedShaders = NULL;
+PFNGLGETATTRIBLOCATIONPROC glad_glGetAttribLocation = NULL;
 PFNGLGETBOOLEANVPROC glad_glGetBooleanv = NULL;
 PFNGLGETBUFFERPARAMETERIVPROC glad_glGetBufferParameteriv = NULL;
 PFNGLGETBUFFERPOINTERVPROC glad_glGetBufferPointerv = NULL;
@@ -409,9 +432,14 @@ PFNGLGETPIXELMAPUIVPROC glad_glGetPixelMapuiv = NULL;
 PFNGLGETPIXELMAPUSVPROC glad_glGetPixelMapusv = NULL;
 PFNGLGETPOINTERVPROC glad_glGetPointerv = NULL;
 PFNGLGETPOLYGONSTIPPLEPROC glad_glGetPolygonStipple = NULL;
+PFNGLGETPROGRAMINFOLOGPROC glad_glGetProgramInfoLog = NULL;
+PFNGLGETPROGRAMIVPROC glad_glGetProgramiv = NULL;
 PFNGLGETQUERYOBJECTIVPROC glad_glGetQueryObjectiv = NULL;
 PFNGLGETQUERYOBJECTUIVPROC glad_glGetQueryObjectuiv = NULL;
 PFNGLGETQUERYIVPROC glad_glGetQueryiv = NULL;
+PFNGLGETSHADERINFOLOGPROC glad_glGetShaderInfoLog = NULL;
+PFNGLGETSHADERSOURCEPROC glad_glGetShaderSource = NULL;
+PFNGLGETSHADERIVPROC glad_glGetShaderiv = NULL;
 PFNGLGETSTRINGPROC glad_glGetString = NULL;
 PFNGLGETTEXENVFVPROC glad_glGetTexEnvfv = NULL;
 PFNGLGETTEXENVIVPROC glad_glGetTexEnviv = NULL;
@@ -423,6 +451,13 @@ PFNGLGETTEXLEVELPARAMETERFVPROC glad_glGetTexLevelParameterfv = NULL;
 PFNGLGETTEXLEVELPARAMETERIVPROC glad_glGetTexLevelParameteriv = NULL;
 PFNGLGETTEXPARAMETERFVPROC glad_glGetTexParameterfv = NULL;
 PFNGLGETTEXPARAMETERIVPROC glad_glGetTexParameteriv = NULL;
+PFNGLGETUNIFORMLOCATIONPROC glad_glGetUniformLocation = NULL;
+PFNGLGETUNIFORMFVPROC glad_glGetUniformfv = NULL;
+PFNGLGETUNIFORMIVPROC glad_glGetUniformiv = NULL;
+PFNGLGETVERTEXATTRIBPOINTERVPROC glad_glGetVertexAttribPointerv = NULL;
+PFNGLGETVERTEXATTRIBDVPROC glad_glGetVertexAttribdv = NULL;
+PFNGLGETVERTEXATTRIBFVPROC glad_glGetVertexAttribfv = NULL;
+PFNGLGETVERTEXATTRIBIVPROC glad_glGetVertexAttribiv = NULL;
 PFNGLHINTPROC glad_glHint = NULL;
 PFNGLINDEXMASKPROC glad_glIndexMask = NULL;
 PFNGLINDEXPOINTERPROC glad_glIndexPointer = NULL;
@@ -441,7 +476,9 @@ PFNGLINTERLEAVEDARRAYSPROC glad_glInterleavedArrays = NULL;
 PFNGLISBUFFERPROC glad_glIsBuffer = NULL;
 PFNGLISENABLEDPROC glad_glIsEnabled = NULL;
 PFNGLISLISTPROC glad_glIsList = NULL;
+PFNGLISPROGRAMPROC glad_glIsProgram = NULL;
 PFNGLISQUERYPROC glad_glIsQuery = NULL;
+PFNGLISSHADERPROC glad_glIsShader = NULL;
 PFNGLISTEXTUREPROC glad_glIsTexture = NULL;
 PFNGLLIGHTMODELFPROC glad_glLightModelf = NULL;
 PFNGLLIGHTMODELFVPROC glad_glLightModelfv = NULL;
@@ -453,6 +490,7 @@ PFNGLLIGHTIPROC glad_glLighti = NULL;
 PFNGLLIGHTIVPROC glad_glLightiv = NULL;
 PFNGLLINESTIPPLEPROC glad_glLineStipple = NULL;
 PFNGLLINEWIDTHPROC glad_glLineWidth = NULL;
+PFNGLLINKPROGRAMPROC glad_glLinkProgram = NULL;
 PFNGLLISTBASEPROC glad_glListBase = NULL;
 PFNGLLOADIDENTITYPROC glad_glLoadIdentity = NULL;
 PFNGLLOADMATRIXDPROC glad_glLoadMatrixd = NULL;
@@ -612,9 +650,13 @@ PFNGLSECONDARYCOLOR3USVPROC glad_glSecondaryColor3usv = NULL;
 PFNGLSECONDARYCOLORPOINTERPROC glad_glSecondaryColorPointer = NULL;
 PFNGLSELECTBUFFERPROC glad_glSelectBuffer = NULL;
 PFNGLSHADEMODELPROC glad_glShadeModel = NULL;
+PFNGLSHADERSOURCEPROC glad_glShaderSource = NULL;
 PFNGLSTENCILFUNCPROC glad_glStencilFunc = NULL;
+PFNGLSTENCILFUNCSEPARATEPROC glad_glStencilFuncSeparate = NULL;
 PFNGLSTENCILMASKPROC glad_glStencilMask = NULL;
+PFNGLSTENCILMASKSEPARATEPROC glad_glStencilMaskSeparate = NULL;
 PFNGLSTENCILOPPROC glad_glStencilOp = NULL;
+PFNGLSTENCILOPSEPARATEPROC glad_glStencilOpSeparate = NULL;
 PFNGLTEXCOORD1DPROC glad_glTexCoord1d = NULL;
 PFNGLTEXCOORD1DVPROC glad_glTexCoord1dv = NULL;
 PFNGLTEXCOORD1FPROC glad_glTexCoord1f = NULL;
@@ -670,7 +712,34 @@ PFNGLTEXSUBIMAGE2DPROC glad_glTexSubImage2D = NULL;
 PFNGLTEXSUBIMAGE3DPROC glad_glTexSubImage3D = NULL;
 PFNGLTRANSLATEDPROC glad_glTranslated = NULL;
 PFNGLTRANSLATEFPROC glad_glTranslatef = NULL;
+PFNGLUNIFORM1FPROC glad_glUniform1f = NULL;
+PFNGLUNIFORM1FVPROC glad_glUniform1fv = NULL;
+PFNGLUNIFORM1IPROC glad_glUniform1i = NULL;
+PFNGLUNIFORM1IVPROC glad_glUniform1iv = NULL;
+PFNGLUNIFORM2FPROC glad_glUniform2f = NULL;
+PFNGLUNIFORM2FVPROC glad_glUniform2fv = NULL;
+PFNGLUNIFORM2IPROC glad_glUniform2i = NULL;
+PFNGLUNIFORM2IVPROC glad_glUniform2iv = NULL;
+PFNGLUNIFORM3FPROC glad_glUniform3f = NULL;
+PFNGLUNIFORM3FVPROC glad_glUniform3fv = NULL;
+PFNGLUNIFORM3IPROC glad_glUniform3i = NULL;
+PFNGLUNIFORM3IVPROC glad_glUniform3iv = NULL;
+PFNGLUNIFORM4FPROC glad_glUniform4f = NULL;
+PFNGLUNIFORM4FVPROC glad_glUniform4fv = NULL;
+PFNGLUNIFORM4IPROC glad_glUniform4i = NULL;
+PFNGLUNIFORM4IVPROC glad_glUniform4iv = NULL;
+PFNGLUNIFORMMATRIX2FVPROC glad_glUniformMatrix2fv = NULL;
+PFNGLUNIFORMMATRIX2X3FVPROC glad_glUniformMatrix2x3fv = NULL;
+PFNGLUNIFORMMATRIX2X4FVPROC glad_glUniformMatrix2x4fv = NULL;
+PFNGLUNIFORMMATRIX3FVPROC glad_glUniformMatrix3fv = NULL;
+PFNGLUNIFORMMATRIX3X2FVPROC glad_glUniformMatrix3x2fv = NULL;
+PFNGLUNIFORMMATRIX3X4FVPROC glad_glUniformMatrix3x4fv = NULL;
+PFNGLUNIFORMMATRIX4FVPROC glad_glUniformMatrix4fv = NULL;
+PFNGLUNIFORMMATRIX4X2FVPROC glad_glUniformMatrix4x2fv = NULL;
+PFNGLUNIFORMMATRIX4X3FVPROC glad_glUniformMatrix4x3fv = NULL;
 PFNGLUNMAPBUFFERPROC glad_glUnmapBuffer = NULL;
+PFNGLUSEPROGRAMPROC glad_glUseProgram = NULL;
+PFNGLVALIDATEPROGRAMPROC glad_glValidateProgram = NULL;
 PFNGLVERTEX2DPROC glad_glVertex2d = NULL;
 PFNGLVERTEX2DVPROC glad_glVertex2dv = NULL;
 PFNGLVERTEX2FPROC glad_glVertex2f = NULL;
@@ -695,6 +764,43 @@ PFNGLVERTEX4IPROC glad_glVertex4i = NULL;
 PFNGLVERTEX4IVPROC glad_glVertex4iv = NULL;
 PFNGLVERTEX4SPROC glad_glVertex4s = NULL;
 PFNGLVERTEX4SVPROC glad_glVertex4sv = NULL;
+PFNGLVERTEXATTRIB1DPROC glad_glVertexAttrib1d = NULL;
+PFNGLVERTEXATTRIB1DVPROC glad_glVertexAttrib1dv = NULL;
+PFNGLVERTEXATTRIB1FPROC glad_glVertexAttrib1f = NULL;
+PFNGLVERTEXATTRIB1FVPROC glad_glVertexAttrib1fv = NULL;
+PFNGLVERTEXATTRIB1SPROC glad_glVertexAttrib1s = NULL;
+PFNGLVERTEXATTRIB1SVPROC glad_glVertexAttrib1sv = NULL;
+PFNGLVERTEXATTRIB2DPROC glad_glVertexAttrib2d = NULL;
+PFNGLVERTEXATTRIB2DVPROC glad_glVertexAttrib2dv = NULL;
+PFNGLVERTEXATTRIB2FPROC glad_glVertexAttrib2f = NULL;
+PFNGLVERTEXATTRIB2FVPROC glad_glVertexAttrib2fv = NULL;
+PFNGLVERTEXATTRIB2SPROC glad_glVertexAttrib2s = NULL;
+PFNGLVERTEXATTRIB2SVPROC glad_glVertexAttrib2sv = NULL;
+PFNGLVERTEXATTRIB3DPROC glad_glVertexAttrib3d = NULL;
+PFNGLVERTEXATTRIB3DVPROC glad_glVertexAttrib3dv = NULL;
+PFNGLVERTEXATTRIB3FPROC glad_glVertexAttrib3f = NULL;
+PFNGLVERTEXATTRIB3FVPROC glad_glVertexAttrib3fv = NULL;
+PFNGLVERTEXATTRIB3SPROC glad_glVertexAttrib3s = NULL;
+PFNGLVERTEXATTRIB3SVPROC glad_glVertexAttrib3sv = NULL;
+PFNGLVERTEXATTRIB4NBVPROC glad_glVertexAttrib4Nbv = NULL;
+PFNGLVERTEXATTRIB4NIVPROC glad_glVertexAttrib4Niv = NULL;
+PFNGLVERTEXATTRIB4NSVPROC glad_glVertexAttrib4Nsv = NULL;
+PFNGLVERTEXATTRIB4NUBPROC glad_glVertexAttrib4Nub = NULL;
+PFNGLVERTEXATTRIB4NUBVPROC glad_glVertexAttrib4Nubv = NULL;
+PFNGLVERTEXATTRIB4NUIVPROC glad_glVertexAttrib4Nuiv = NULL;
+PFNGLVERTEXATTRIB4NUSVPROC glad_glVertexAttrib4Nusv = NULL;
+PFNGLVERTEXATTRIB4BVPROC glad_glVertexAttrib4bv = NULL;
+PFNGLVERTEXATTRIB4DPROC glad_glVertexAttrib4d = NULL;
+PFNGLVERTEXATTRIB4DVPROC glad_glVertexAttrib4dv = NULL;
+PFNGLVERTEXATTRIB4FPROC glad_glVertexAttrib4f = NULL;
+PFNGLVERTEXATTRIB4FVPROC glad_glVertexAttrib4fv = NULL;
+PFNGLVERTEXATTRIB4IVPROC glad_glVertexAttrib4iv = NULL;
+PFNGLVERTEXATTRIB4SPROC glad_glVertexAttrib4s = NULL;
+PFNGLVERTEXATTRIB4SVPROC glad_glVertexAttrib4sv = NULL;
+PFNGLVERTEXATTRIB4UBVPROC glad_glVertexAttrib4ubv = NULL;
+PFNGLVERTEXATTRIB4UIVPROC glad_glVertexAttrib4uiv = NULL;
+PFNGLVERTEXATTRIB4USVPROC glad_glVertexAttrib4usv = NULL;
+PFNGLVERTEXATTRIBPOINTERPROC glad_glVertexAttribPointer = NULL;
 PFNGLVERTEXPOINTERPROC glad_glVertexPointer = NULL;
 PFNGLVIEWPORTPROC glad_glViewport = NULL;
 PFNGLWINDOWPOS2DPROC glad_glWindowPos2d = NULL;
@@ -713,6 +819,35 @@ PFNGLWINDOWPOS3IPROC glad_glWindowPos3i = NULL;
 PFNGLWINDOWPOS3IVPROC glad_glWindowPos3iv = NULL;
 PFNGLWINDOWPOS3SPROC glad_glWindowPos3s = NULL;
 PFNGLWINDOWPOS3SVPROC glad_glWindowPos3sv = NULL;
+int GLAD_GL_ARB_depth_texture = 0;
+int GLAD_GL_ARB_draw_instanced = 0;
+int GLAD_GL_ARB_framebuffer_object = 0;
+int GLAD_GL_ARB_instanced_arrays = 0;
+int GLAD_GL_ARB_shadow = 0;
+int GLAD_GL_ARB_texture_filter_anisotropic = 0;
+PFNGLDRAWARRAYSINSTANCEDARBPROC glad_glDrawArraysInstancedARB = NULL;
+PFNGLDRAWELEMENTSINSTANCEDARBPROC glad_glDrawElementsInstancedARB = NULL;
+PFNGLISRENDERBUFFERPROC glad_glIsRenderbuffer = NULL;
+PFNGLBINDRENDERBUFFERPROC glad_glBindRenderbuffer = NULL;
+PFNGLDELETERENDERBUFFERSPROC glad_glDeleteRenderbuffers = NULL;
+PFNGLGENRENDERBUFFERSPROC glad_glGenRenderbuffers = NULL;
+PFNGLRENDERBUFFERSTORAGEPROC glad_glRenderbufferStorage = NULL;
+PFNGLGETRENDERBUFFERPARAMETERIVPROC glad_glGetRenderbufferParameteriv = NULL;
+PFNGLISFRAMEBUFFERPROC glad_glIsFramebuffer = NULL;
+PFNGLBINDFRAMEBUFFERPROC glad_glBindFramebuffer = NULL;
+PFNGLDELETEFRAMEBUFFERSPROC glad_glDeleteFramebuffers = NULL;
+PFNGLGENFRAMEBUFFERSPROC glad_glGenFramebuffers = NULL;
+PFNGLCHECKFRAMEBUFFERSTATUSPROC glad_glCheckFramebufferStatus = NULL;
+PFNGLFRAMEBUFFERTEXTURE1DPROC glad_glFramebufferTexture1D = NULL;
+PFNGLFRAMEBUFFERTEXTURE2DPROC glad_glFramebufferTexture2D = NULL;
+PFNGLFRAMEBUFFERTEXTURE3DPROC glad_glFramebufferTexture3D = NULL;
+PFNGLFRAMEBUFFERRENDERBUFFERPROC glad_glFramebufferRenderbuffer = NULL;
+PFNGLGETFRAMEBUFFERATTACHMENTPARAMETERIVPROC glad_glGetFramebufferAttachmentParameteriv = NULL;
+PFNGLGENERATEMIPMAPPROC glad_glGenerateMipmap = NULL;
+PFNGLBLITFRAMEBUFFERPROC glad_glBlitFramebuffer = NULL;
+PFNGLRENDERBUFFERSTORAGEMULTISAMPLEPROC glad_glRenderbufferStorageMultisample = NULL;
+PFNGLFRAMEBUFFERTEXTURELAYERPROC glad_glFramebufferTextureLayer = NULL;
+PFNGLVERTEXATTRIBDIVISORARBPROC glad_glVertexAttribDivisorARB = NULL;
 static void load_GL_VERSION_1_0(GLADloadproc load) {
 	if(!GLAD_GL_VERSION_1_0) return;
 	glad_glCullFace = (PFNGLCULLFACEPROC)load("glCullFace");
@@ -1183,9 +1318,151 @@ static void load_GL_VERSION_1_5(GLADloadproc load) {
 	glad_glGetBufferParameteriv = (PFNGLGETBUFFERPARAMETERIVPROC)load("glGetBufferParameteriv");
 	glad_glGetBufferPointerv = (PFNGLGETBUFFERPOINTERVPROC)load("glGetBufferPointerv");
 }
+static void load_GL_VERSION_2_0(GLADloadproc load) {
+	if(!GLAD_GL_VERSION_2_0) return;
+	glad_glBlendEquationSeparate = (PFNGLBLENDEQUATIONSEPARATEPROC)load("glBlendEquationSeparate");
+	glad_glDrawBuffers = (PFNGLDRAWBUFFERSPROC)load("glDrawBuffers");
+	glad_glStencilOpSeparate = (PFNGLSTENCILOPSEPARATEPROC)load("glStencilOpSeparate");
+	glad_glStencilFuncSeparate = (PFNGLSTENCILFUNCSEPARATEPROC)load("glStencilFuncSeparate");
+	glad_glStencilMaskSeparate = (PFNGLSTENCILMASKSEPARATEPROC)load("glStencilMaskSeparate");
+	glad_glAttachShader = (PFNGLATTACHSHADERPROC)load("glAttachShader");
+	glad_glBindAttribLocation = (PFNGLBINDATTRIBLOCATIONPROC)load("glBindAttribLocation");
+	glad_glCompileShader = (PFNGLCOMPILESHADERPROC)load("glCompileShader");
+	glad_glCreateProgram = (PFNGLCREATEPROGRAMPROC)load("glCreateProgram");
+	glad_glCreateShader = (PFNGLCREATESHADERPROC)load("glCreateShader");
+	glad_glDeleteProgram = (PFNGLDELETEPROGRAMPROC)load("glDeleteProgram");
+	glad_glDeleteShader = (PFNGLDELETESHADERPROC)load("glDeleteShader");
+	glad_glDetachShader = (PFNGLDETACHSHADERPROC)load("glDetachShader");
+	glad_glDisableVertexAttribArray = (PFNGLDISABLEVERTEXATTRIBARRAYPROC)load("glDisableVertexAttribArray");
+	glad_glEnableVertexAttribArray = (PFNGLENABLEVERTEXATTRIBARRAYPROC)load("glEnableVertexAttribArray");
+	glad_glGetActiveAttrib = (PFNGLGETACTIVEATTRIBPROC)load("glGetActiveAttrib");
+	glad_glGetActiveUniform = (PFNGLGETACTIVEUNIFORMPROC)load("glGetActiveUniform");
+	glad_glGetAttachedShaders = (PFNGLGETATTACHEDSHADERSPROC)load("glGetAttachedShaders");
+	glad_glGetAttribLocation = (PFNGLGETATTRIBLOCATIONPROC)load("glGetAttribLocation");
+	glad_glGetProgramiv = (PFNGLGETPROGRAMIVPROC)load("glGetProgramiv");
+	glad_glGetProgramInfoLog = (PFNGLGETPROGRAMINFOLOGPROC)load("glGetProgramInfoLog");
+	glad_glGetShaderiv = (PFNGLGETSHADERIVPROC)load("glGetShaderiv");
+	glad_glGetShaderInfoLog = (PFNGLGETSHADERINFOLOGPROC)load("glGetShaderInfoLog");
+	glad_glGetShaderSource = (PFNGLGETSHADERSOURCEPROC)load("glGetShaderSource");
+	glad_glGetUniformLocation = (PFNGLGETUNIFORMLOCATIONPROC)load("glGetUniformLocation");
+	glad_glGetUniformfv = (PFNGLGETUNIFORMFVPROC)load("glGetUniformfv");
+	glad_glGetUniformiv = (PFNGLGETUNIFORMIVPROC)load("glGetUniformiv");
+	glad_glGetVertexAttribdv = (PFNGLGETVERTEXATTRIBDVPROC)load("glGetVertexAttribdv");
+	glad_glGetVertexAttribfv = (PFNGLGETVERTEXATTRIBFVPROC)load("glGetVertexAttribfv");
+	glad_glGetVertexAttribiv = (PFNGLGETVERTEXATTRIBIVPROC)load("glGetVertexAttribiv");
+	glad_glGetVertexAttribPointerv = (PFNGLGETVERTEXATTRIBPOINTERVPROC)load("glGetVertexAttribPointerv");
+	glad_glIsProgram = (PFNGLISPROGRAMPROC)load("glIsProgram");
+	glad_glIsShader = (PFNGLISSHADERPROC)load("glIsShader");
+	glad_glLinkProgram = (PFNGLLINKPROGRAMPROC)load("glLinkProgram");
+	glad_glShaderSource = (PFNGLSHADERSOURCEPROC)load("glShaderSource");
+	glad_glUseProgram = (PFNGLUSEPROGRAMPROC)load("glUseProgram");
+	glad_glUniform1f = (PFNGLUNIFORM1FPROC)load("glUniform1f");
+	glad_glUniform2f = (PFNGLUNIFORM2FPROC)load("glUniform2f");
+	glad_glUniform3f = (PFNGLUNIFORM3FPROC)load("glUniform3f");
+	glad_glUniform4f = (PFNGLUNIFORM4FPROC)load("glUniform4f");
+	glad_glUniform1i = (PFNGLUNIFORM1IPROC)load("glUniform1i");
+	glad_glUniform2i = (PFNGLUNIFORM2IPROC)load("glUniform2i");
+	glad_glUniform3i = (PFNGLUNIFORM3IPROC)load("glUniform3i");
+	glad_glUniform4i = (PFNGLUNIFORM4IPROC)load("glUniform4i");
+	glad_glUniform1fv = (PFNGLUNIFORM1FVPROC)load("glUniform1fv");
+	glad_glUniform2fv = (PFNGLUNIFORM2FVPROC)load("glUniform2fv");
+	glad_glUniform3fv = (PFNGLUNIFORM3FVPROC)load("glUniform3fv");
+	glad_glUniform4fv = (PFNGLUNIFORM4FVPROC)load("glUniform4fv");
+	glad_glUniform1iv = (PFNGLUNIFORM1IVPROC)load("glUniform1iv");
+	glad_glUniform2iv = (PFNGLUNIFORM2IVPROC)load("glUniform2iv");
+	glad_glUniform3iv = (PFNGLUNIFORM3IVPROC)load("glUniform3iv");
+	glad_glUniform4iv = (PFNGLUNIFORM4IVPROC)load("glUniform4iv");
+	glad_glUniformMatrix2fv = (PFNGLUNIFORMMATRIX2FVPROC)load("glUniformMatrix2fv");
+	glad_glUniformMatrix3fv = (PFNGLUNIFORMMATRIX3FVPROC)load("glUniformMatrix3fv");
+	glad_glUniformMatrix4fv = (PFNGLUNIFORMMATRIX4FVPROC)load("glUniformMatrix4fv");
+	glad_glValidateProgram = (PFNGLVALIDATEPROGRAMPROC)load("glValidateProgram");
+	glad_glVertexAttrib1d = (PFNGLVERTEXATTRIB1DPROC)load("glVertexAttrib1d");
+	glad_glVertexAttrib1dv = (PFNGLVERTEXATTRIB1DVPROC)load("glVertexAttrib1dv");
+	glad_glVertexAttrib1f = (PFNGLVERTEXATTRIB1FPROC)load("glVertexAttrib1f");
+	glad_glVertexAttrib1fv = (PFNGLVERTEXATTRIB1FVPROC)load("glVertexAttrib1fv");
+	glad_glVertexAttrib1s = (PFNGLVERTEXATTRIB1SPROC)load("glVertexAttrib1s");
+	glad_glVertexAttrib1sv = (PFNGLVERTEXATTRIB1SVPROC)load("glVertexAttrib1sv");
+	glad_glVertexAttrib2d = (PFNGLVERTEXATTRIB2DPROC)load("glVertexAttrib2d");
+	glad_glVertexAttrib2dv = (PFNGLVERTEXATTRIB2DVPROC)load("glVertexAttrib2dv");
+	glad_glVertexAttrib2f = (PFNGLVERTEXATTRIB2FPROC)load("glVertexAttrib2f");
+	glad_glVertexAttrib2fv = (PFNGLVERTEXATTRIB2FVPROC)load("glVertexAttrib2fv");
+	glad_glVertexAttrib2s = (PFNGLVERTEXATTRIB2SPROC)load("glVertexAttrib2s");
+	glad_glVertexAttrib2sv = (PFNGLVERTEXATTRIB2SVPROC)load("glVertexAttrib2sv");
+	glad_glVertexAttrib3d = (PFNGLVERTEXATTRIB3DPROC)load("glVertexAttrib3d");
+	glad_glVertexAttrib3dv = (PFNGLVERTEXATTRIB3DVPROC)load("glVertexAttrib3dv");
+	glad_glVertexAttrib3f = (PFNGLVERTEXATTRIB3FPROC)load("glVertexAttrib3f");
+	glad_glVertexAttrib3fv = (PFNGLVERTEXATTRIB3FVPROC)load("glVertexAttrib3fv");
+	glad_glVertexAttrib3s = (PFNGLVERTEXATTRIB3SPROC)load("glVertexAttrib3s");
+	glad_glVertexAttrib3sv = (PFNGLVERTEXATTRIB3SVPROC)load("glVertexAttrib3sv");
+	glad_glVertexAttrib4Nbv = (PFNGLVERTEXATTRIB4NBVPROC)load("glVertexAttrib4Nbv");
+	glad_glVertexAttrib4Niv = (PFNGLVERTEXATTRIB4NIVPROC)load("glVertexAttrib4Niv");
+	glad_glVertexAttrib4Nsv = (PFNGLVERTEXATTRIB4NSVPROC)load("glVertexAttrib4Nsv");
+	glad_glVertexAttrib4Nub = (PFNGLVERTEXATTRIB4NUBPROC)load("glVertexAttrib4Nub");
+	glad_glVertexAttrib4Nubv = (PFNGLVERTEXATTRIB4NUBVPROC)load("glVertexAttrib4Nubv");
+	glad_glVertexAttrib4Nuiv = (PFNGLVERTEXATTRIB4NUIVPROC)load("glVertexAttrib4Nuiv");
+	glad_glVertexAttrib4Nusv = (PFNGLVERTEXATTRIB4NUSVPROC)load("glVertexAttrib4Nusv");
+	glad_glVertexAttrib4bv = (PFNGLVERTEXATTRIB4BVPROC)load("glVertexAttrib4bv");
+	glad_glVertexAttrib4d = (PFNGLVERTEXATTRIB4DPROC)load("glVertexAttrib4d");
+	glad_glVertexAttrib4dv = (PFNGLVERTEXATTRIB4DVPROC)load("glVertexAttrib4dv");
+	glad_glVertexAttrib4f = (PFNGLVERTEXATTRIB4FPROC)load("glVertexAttrib4f");
+	glad_glVertexAttrib4fv = (PFNGLVERTEXATTRIB4FVPROC)load("glVertexAttrib4fv");
+	glad_glVertexAttrib4iv = (PFNGLVERTEXATTRIB4IVPROC)load("glVertexAttrib4iv");
+	glad_glVertexAttrib4s = (PFNGLVERTEXATTRIB4SPROC)load("glVertexAttrib4s");
+	glad_glVertexAttrib4sv = (PFNGLVERTEXATTRIB4SVPROC)load("glVertexAttrib4sv");
+	glad_glVertexAttrib4ubv = (PFNGLVERTEXATTRIB4UBVPROC)load("glVertexAttrib4ubv");
+	glad_glVertexAttrib4uiv = (PFNGLVERTEXATTRIB4UIVPROC)load("glVertexAttrib4uiv");
+	glad_glVertexAttrib4usv = (PFNGLVERTEXATTRIB4USVPROC)load("glVertexAttrib4usv");
+	glad_glVertexAttribPointer = (PFNGLVERTEXATTRIBPOINTERPROC)load("glVertexAttribPointer");
+}
+static void load_GL_VERSION_2_1(GLADloadproc load) {
+	if(!GLAD_GL_VERSION_2_1) return;
+	glad_glUniformMatrix2x3fv = (PFNGLUNIFORMMATRIX2X3FVPROC)load("glUniformMatrix2x3fv");
+	glad_glUniformMatrix3x2fv = (PFNGLUNIFORMMATRIX3X2FVPROC)load("glUniformMatrix3x2fv");
+	glad_glUniformMatrix2x4fv = (PFNGLUNIFORMMATRIX2X4FVPROC)load("glUniformMatrix2x4fv");
+	glad_glUniformMatrix4x2fv = (PFNGLUNIFORMMATRIX4X2FVPROC)load("glUniformMatrix4x2fv");
+	glad_glUniformMatrix3x4fv = (PFNGLUNIFORMMATRIX3X4FVPROC)load("glUniformMatrix3x4fv");
+	glad_glUniformMatrix4x3fv = (PFNGLUNIFORMMATRIX4X3FVPROC)load("glUniformMatrix4x3fv");
+}
+static void load_GL_ARB_draw_instanced(GLADloadproc load) {
+	if(!GLAD_GL_ARB_draw_instanced) return;
+	glad_glDrawArraysInstancedARB = (PFNGLDRAWARRAYSINSTANCEDARBPROC)load("glDrawArraysInstancedARB");
+	glad_glDrawElementsInstancedARB = (PFNGLDRAWELEMENTSINSTANCEDARBPROC)load("glDrawElementsInstancedARB");
+}
+static void load_GL_ARB_framebuffer_object(GLADloadproc load) {
+	if(!GLAD_GL_ARB_framebuffer_object) return;
+	glad_glIsRenderbuffer = (PFNGLISRENDERBUFFERPROC)load("glIsRenderbuffer");
+	glad_glBindRenderbuffer = (PFNGLBINDRENDERBUFFERPROC)load("glBindRenderbuffer");
+	glad_glDeleteRenderbuffers = (PFNGLDELETERENDERBUFFERSPROC)load("glDeleteRenderbuffers");
+	glad_glGenRenderbuffers = (PFNGLGENRENDERBUFFERSPROC)load("glGenRenderbuffers");
+	glad_glRenderbufferStorage = (PFNGLRENDERBUFFERSTORAGEPROC)load("glRenderbufferStorage");
+	glad_glGetRenderbufferParameteriv = (PFNGLGETRENDERBUFFERPARAMETERIVPROC)load("glGetRenderbufferParameteriv");
+	glad_glIsFramebuffer = (PFNGLISFRAMEBUFFERPROC)load("glIsFramebuffer");
+	glad_glBindFramebuffer = (PFNGLBINDFRAMEBUFFERPROC)load("glBindFramebuffer");
+	glad_glDeleteFramebuffers = (PFNGLDELETEFRAMEBUFFERSPROC)load("glDeleteFramebuffers");
+	glad_glGenFramebuffers = (PFNGLGENFRAMEBUFFERSPROC)load("glGenFramebuffers");
+	glad_glCheckFramebufferStatus = (PFNGLCHECKFRAMEBUFFERSTATUSPROC)load("glCheckFramebufferStatus");
+	glad_glFramebufferTexture1D = (PFNGLFRAMEBUFFERTEXTURE1DPROC)load("glFramebufferTexture1D");
+	glad_glFramebufferTexture2D = (PFNGLFRAMEBUFFERTEXTURE2DPROC)load("glFramebufferTexture2D");
+	glad_glFramebufferTexture3D = (PFNGLFRAMEBUFFERTEXTURE3DPROC)load("glFramebufferTexture3D");
+	glad_glFramebufferRenderbuffer = (PFNGLFRAMEBUFFERRENDERBUFFERPROC)load("glFramebufferRenderbuffer");
+	glad_glGetFramebufferAttachmentParameteriv = (PFNGLGETFRAMEBUFFERATTACHMENTPARAMETERIVPROC)load("glGetFramebufferAttachmentParameteriv");
+	glad_glGenerateMipmap = (PFNGLGENERATEMIPMAPPROC)load("glGenerateMipmap");
+	glad_glBlitFramebuffer = (PFNGLBLITFRAMEBUFFERPROC)load("glBlitFramebuffer");
+	glad_glRenderbufferStorageMultisample = (PFNGLRENDERBUFFERSTORAGEMULTISAMPLEPROC)load("glRenderbufferStorageMultisample");
+	glad_glFramebufferTextureLayer = (PFNGLFRAMEBUFFERTEXTURELAYERPROC)load("glFramebufferTextureLayer");
+}
+static void load_GL_ARB_instanced_arrays(GLADloadproc load) {
+	if(!GLAD_GL_ARB_instanced_arrays) return;
+	glad_glVertexAttribDivisorARB = (PFNGLVERTEXATTRIBDIVISORARBPROC)load("glVertexAttribDivisorARB");
+}
 static int find_extensionsGL(void) {
 	if (!get_exts()) return 0;
-	(void)&has_ext;
+	GLAD_GL_ARB_depth_texture = has_ext("GL_ARB_depth_texture");
+	GLAD_GL_ARB_draw_instanced = has_ext("GL_ARB_draw_instanced");
+	GLAD_GL_ARB_framebuffer_object = has_ext("GL_ARB_framebuffer_object");
+	GLAD_GL_ARB_instanced_arrays = has_ext("GL_ARB_instanced_arrays");
+	GLAD_GL_ARB_shadow = has_ext("GL_ARB_shadow");
+	GLAD_GL_ARB_texture_filter_anisotropic = has_ext("GL_ARB_texture_filter_anisotropic");
 	free_exts();
 	return 1;
 }
@@ -1232,9 +1509,11 @@ static void find_coreGL(void) {
 	GLAD_GL_VERSION_1_3 = (major == 1 && minor >= 3) || major > 1;
 	GLAD_GL_VERSION_1_4 = (major == 1 && minor >= 4) || major > 1;
 	GLAD_GL_VERSION_1_5 = (major == 1 && minor >= 5) || major > 1;
-	if (GLVersion.major > 1 || (GLVersion.major >= 1 && GLVersion.minor >= 5)) {
+	GLAD_GL_VERSION_2_0 = (major == 2 && minor >= 0) || major > 2;
-		max_loaded_major = 1;
+	GLAD_GL_VERSION_2_1 = (major == 2 && minor >= 1) || major > 2;
-		max_loaded_minor = 5;
+	if (GLVersion.major > 2 || (GLVersion.major >= 2 && GLVersion.minor >= 1)) {
+		max_loaded_major = 2;
+		max_loaded_minor = 1;
 	}
 }
 
@@ -1250,8 +1529,13 @@ int gladLoadGLLoader(GLADloadproc load) {
 	load_GL_VERSION_1_3(load);
 	load_GL_VERSION_1_4(load);
 	load_GL_VERSION_1_5(load);
+	load_GL_VERSION_2_0(load);
+	load_GL_VERSION_2_1(load);
 
 	if (!find_extensionsGL()) return 0;
+	load_GL_ARB_draw_instanced(load);
+	load_GL_ARB_framebuffer_object(load);
+	load_GL_ARB_instanced_arrays(load);
 	return GLVersion.major != 0 || GLVersion.minor != 0;
 }