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magnum/src/MagnumExternal/OpenGL/GLES3/flextGLPlatformIOS.cpp

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iOS-specific function pointer loader. It seems that there is no such thing as eglGetProcAddress() and thus we are able to use only functions that are defined in the ES[23]/glext.h header and no others. So, currently, the function loader internally undefs all function name macros that were defined in our flextgl.h header, then includes the Apple's glext.h header and assigns function pointers of those extensions that are defined in the header. Apple also has some minor differences in function signatures (different constness of pointer-to-pointer variables) so I had to reinterpret_cast everything. Might seem to be uglier than including glext.h directly in our code, but I made bad experience when doing so -- I want to depend on my header bugs that are consistent across all platforms instead of depending on whatever changes Apple makes in its headers. I also want to have all functions defined and not only those that are supported on iOS. Phew. Thank you, flextGL, for making it way easier than it appeared to be at first.
10 years ago
#include "flextGL.h"
#undef glActiveShaderProgram
#undef glBindImageTexture
#undef glBindProgramPipeline
#undef glBindVertexBuffer
#undef glCreateShaderProgramv
#undef glDeleteProgramPipelines
#undef glDispatchCompute
#undef glDispatchComputeIndirect
#undef glDrawArraysIndirect
#undef glDrawElementsIndirect
#undef glFramebufferParameteri
#undef glGenProgramPipelines
#undef glGetBooleani_v
#undef glGetFramebufferParameteriv
#undef glGetMultisamplefv
#undef glGetProgramInterfaceiv
#undef glGetProgramPipelineInfoLog
#undef glGetProgramPipelineiv
#undef glGetProgramResourceIndex
#undef glGetProgramResourceLocation
#undef glGetProgramResourceName
#undef glGetProgramResourceiv
#undef glGetTexLevelParameterfv
#undef glGetTexLevelParameteriv
#undef glIsProgramPipeline
#undef glMemoryBarrier
#undef glMemoryBarrierByRegion
#undef glProgramUniform1f
#undef glProgramUniform1fv
#undef glProgramUniform1i
#undef glProgramUniform1iv
#undef glProgramUniform1ui
#undef glProgramUniform1uiv
#undef glProgramUniform2f
#undef glProgramUniform2fv
#undef glProgramUniform2i
#undef glProgramUniform2iv
#undef glProgramUniform2ui
#undef glProgramUniform2uiv
#undef glProgramUniform3f
#undef glProgramUniform3fv
#undef glProgramUniform3i
#undef glProgramUniform3iv
#undef glProgramUniform3ui
#undef glProgramUniform3uiv
#undef glProgramUniform4f
#undef glProgramUniform4fv
#undef glProgramUniform4i
#undef glProgramUniform4iv
#undef glProgramUniform4ui
#undef glProgramUniform4uiv
#undef glProgramUniformMatrix2fv
#undef glProgramUniformMatrix2x3fv
#undef glProgramUniformMatrix2x4fv
#undef glProgramUniformMatrix3fv
#undef glProgramUniformMatrix3x2fv
#undef glProgramUniformMatrix3x4fv
#undef glProgramUniformMatrix4fv
#undef glProgramUniformMatrix4x2fv
#undef glProgramUniformMatrix4x3fv
#undef glSampleMaski
#undef glTexStorage2DMultisample
#undef glUseProgramStages
#undef glValidateProgramPipeline
#undef glVertexAttribBinding
#undef glVertexAttribFormat
#undef glVertexAttribIFormat
#undef glVertexBindingDivisor
external: updated OpenGL headers with ES 3.2 extensions.
9 years ago
#undef glBlendBarrier
#undef glBlendEquationSeparatei
#undef glBlendEquationi
#undef glBlendFuncSeparatei
#undef glBlendFunci
#undef glColorMaski
#undef glCopyImageSubData
#undef glDebugMessageCallback
#undef glDebugMessageControl
#undef glDebugMessageInsert
#undef glDisablei
#undef glDrawElementsBaseVertex
#undef glDrawElementsInstancedBaseVertex
#undef glDrawRangeElementsBaseVertex
#undef glEnablei
#undef glFramebufferTexture
#undef glGetDebugMessageLog
#undef glGetGraphicsResetStatus
#undef glGetObjectLabel
#undef glGetObjectPtrLabel
#undef glGetPointerv
#undef glGetSamplerParameterIiv
#undef glGetSamplerParameterIuiv
#undef glGetTexParameterIiv
#undef glGetTexParameterIuiv
#undef glGetnUniformfv
#undef glGetnUniformiv
#undef glGetnUniformuiv
#undef glIsEnabledi
#undef glMinSampleShading
#undef glObjectLabel
#undef glObjectPtrLabel
#undef glPatchParameteri
#undef glPopDebugGroup
#undef glPrimitiveBoundingBox
#undef glPushDebugGroup
#undef glReadnPixels
#undef glSamplerParameterIiv
#undef glSamplerParameterIuiv
#undef glTexBuffer
#undef glTexBufferRange
#undef glTexParameterIiv
#undef glTexParameterIuiv
#undef glTexStorage3DMultisample
iOS-specific function pointer loader. It seems that there is no such thing as eglGetProcAddress() and thus we are able to use only functions that are defined in the ES[23]/glext.h header and no others. So, currently, the function loader internally undefs all function name macros that were defined in our flextgl.h header, then includes the Apple's glext.h header and assigns function pointers of those extensions that are defined in the header. Apple also has some minor differences in function signatures (different constness of pointer-to-pointer variables) so I had to reinterpret_cast everything. Might seem to be uglier than including glext.h directly in our code, but I made bad experience when doing so -- I want to depend on my header bugs that are consistent across all platforms instead of depending on whatever changes Apple makes in its headers. I also want to have all functions defined and not only those that are supported on iOS. Phew. Thank you, flextGL, for making it way easier than it appeared to be at first.
10 years ago
#undef glCopyImageSubDataEXT
#undef glGetObjectLabelEXT
#undef glLabelObjectEXT
#undef glInsertEventMarkerEXT
#undef glPopGroupMarkerEXT
#undef glPushGroupMarkerEXT
#undef glBeginQueryEXT
#undef glDeleteQueriesEXT
#undef glEndQueryEXT
#undef glGenQueriesEXT
#undef glGetQueryObjecti64vEXT
#undef glGetQueryObjectivEXT
#undef glGetQueryObjectui64vEXT
#undef glGetQueryObjectuivEXT
#undef glGetQueryivEXT
#undef glIsQueryEXT
#undef glQueryCounterEXT
#undef glBlendEquationSeparateiEXT
#undef glBlendEquationiEXT
#undef glBlendFuncSeparateiEXT
#undef glBlendFunciEXT
#undef glColorMaskiEXT
#undef glDisableiEXT
#undef glEnableiEXT
#undef glIsEnablediEXT
#undef glFramebufferTextureEXT
#undef glMultiDrawArraysEXT
#undef glMultiDrawElementsEXT
#undef glFramebufferTexture2DMultisampleEXT
#undef glRenderbufferStorageMultisampleEXT
#undef glPrimitiveBoundingBoxEXT
#undef glGetGraphicsResetStatusEXT
#undef glGetnUniformfvEXT
#undef glGetnUniformivEXT
#undef glReadnPixelsEXT
#undef glActiveShaderProgramEXT
#undef glBindProgramPipelineEXT
#undef glCreateShaderProgramvEXT
#undef glDeleteProgramPipelinesEXT
#undef glGenProgramPipelinesEXT
#undef glGetProgramPipelineInfoLogEXT
#undef glGetProgramPipelineivEXT
#undef glIsProgramPipelineEXT
#undef glProgramParameteriEXT
#undef glProgramUniform1fEXT
#undef glProgramUniform1fvEXT
#undef glProgramUniform1iEXT
#undef glProgramUniform1ivEXT
#undef glProgramUniform1uiEXT
#undef glProgramUniform1uivEXT
#undef glProgramUniform2fEXT
#undef glProgramUniform2fvEXT
#undef glProgramUniform2iEXT
#undef glProgramUniform2ivEXT
#undef glProgramUniform2uiEXT
#undef glProgramUniform2uivEXT
#undef glProgramUniform3fEXT
#undef glProgramUniform3fvEXT
#undef glProgramUniform3iEXT
#undef glProgramUniform3ivEXT
#undef glProgramUniform3uiEXT
#undef glProgramUniform3uivEXT
#undef glProgramUniform4fEXT
#undef glProgramUniform4fvEXT
#undef glProgramUniform4iEXT
#undef glProgramUniform4ivEXT
#undef glProgramUniform4uiEXT
#undef glProgramUniform4uivEXT
#undef glProgramUniformMatrix2fvEXT
#undef glProgramUniformMatrix2x3fvEXT
#undef glProgramUniformMatrix2x4fvEXT
#undef glProgramUniformMatrix3fvEXT
#undef glProgramUniformMatrix3x2fvEXT
#undef glProgramUniformMatrix3x4fvEXT
#undef glProgramUniformMatrix4fvEXT
#undef glProgramUniformMatrix4x2fvEXT
#undef glProgramUniformMatrix4x3fvEXT
#undef glUseProgramStagesEXT
#undef glValidateProgramPipelineEXT
#undef glPatchParameteriEXT
#undef glGetSamplerParameterIivEXT
#undef glGetSamplerParameterIuivEXT
#undef glGetTexParameterIivEXT
#undef glGetTexParameterIuivEXT
#undef glSamplerParameterIivEXT
#undef glSamplerParameterIuivEXT
#undef glTexParameterIivEXT
#undef glTexParameterIuivEXT
#undef glTexBufferEXT
#undef glTexBufferRangeEXT
#undef glBlendBarrierKHR
#undef glDebugMessageCallbackKHR
#undef glDebugMessageControlKHR
#undef glDebugMessageInsertKHR
#undef glGetDebugMessageLogKHR
#undef glGetObjectLabelKHR
#undef glGetObjectPtrLabelKHR
#undef glGetPointervKHR
#undef glObjectLabelKHR
#undef glObjectPtrLabelKHR
#undef glPopDebugGroupKHR
#undef glPushDebugGroupKHR
#undef glGetGraphicsResetStatusKHR
#undef glGetnUniformfvKHR
#undef glGetnUniformivKHR
#undef glGetnUniformuivKHR
#undef glReadnPixelsKHR
#undef glPolygonModeNV
#undef glGetBufferPointervOES
#undef glMapBufferOES
#undef glUnmapBufferOES
#undef glMinSampleShadingOES
#undef glTexStorage3DMultisampleOES
#include <ES3/glext.h>
void flextGLInit() {
/* GL_ES_VERSION_3_1 */
#if GL_ES_VERSION_3_1
flextglActiveShaderProgram = reinterpret_cast<void(APIENTRY*)(GLuint, GLuint)>(glActiveShaderProgram);
flextglBindImageTexture = reinterpret_cast<void(APIENTRY*)(GLuint, GLuint, GLint, GLboolean, GLint, GLenum, GLenum)>(glBindImageTexture);
flextglBindProgramPipeline = reinterpret_cast<void(APIENTRY*)(GLuint)>(glBindProgramPipeline);
flextglBindVertexBuffer = reinterpret_cast<void(APIENTRY*)(GLuint, GLuint, GLintptr, GLsizei)>(glBindVertexBuffer);
flextglCreateShaderProgramv = reinterpret_cast<GLuint(APIENTRY*)(GLenum, GLsizei, const GLchar *const*)>(glCreateShaderProgramv);
flextglDeleteProgramPipelines = reinterpret_cast<void(APIENTRY*)(GLsizei, const GLuint *)>(glDeleteProgramPipelines);
flextglDispatchCompute = reinterpret_cast<void(APIENTRY*)(GLuint, GLuint, GLuint)>(glDispatchCompute);
flextglDispatchComputeIndirect = reinterpret_cast<void(APIENTRY*)(GLintptr)>(glDispatchComputeIndirect);
flextglDrawArraysIndirect = reinterpret_cast<void(APIENTRY*)(GLenum, const void *)>(glDrawArraysIndirect);
flextglDrawElementsIndirect = reinterpret_cast<void(APIENTRY*)(GLenum, GLenum, const void *)>(glDrawElementsIndirect);
flextglFramebufferParameteri = reinterpret_cast<void(APIENTRY*)(GLenum, GLenum, GLint)>(glFramebufferParameteri);
flextglGenProgramPipelines = reinterpret_cast<void(APIENTRY*)(GLsizei, GLuint *)>(glGenProgramPipelines);
flextglGetBooleani_v = reinterpret_cast<void(APIENTRY*)(GLenum, GLuint, GLboolean *)>(glGetBooleani_v);
flextglGetFramebufferParameteriv = reinterpret_cast<void(APIENTRY*)(GLenum, GLenum, GLint *)>(glGetFramebufferParameteriv);
flextglGetMultisamplefv = reinterpret_cast<void(APIENTRY*)(GLenum, GLuint, GLfloat *)>(glGetMultisamplefv);
flextglGetProgramInterfaceiv = reinterpret_cast<void(APIENTRY*)(GLuint, GLenum, GLenum, GLint *)>(glGetProgramInterfaceiv);
flextglGetProgramPipelineInfoLog = reinterpret_cast<void(APIENTRY*)(GLuint, GLsizei, GLsizei *, GLchar *)>(glGetProgramPipelineInfoLog);
flextglGetProgramPipelineiv = reinterpret_cast<void(APIENTRY*)(GLuint, GLenum, GLint *)>(glGetProgramPipelineiv);
flextglGetProgramResourceIndex = reinterpret_cast<GLuint(APIENTRY*)(GLuint, GLenum, const GLchar *)>(glGetProgramResourceIndex);
flextglGetProgramResourceLocation = reinterpret_cast<GLint(APIENTRY*)(GLuint, GLenum, const GLchar *)>(glGetProgramResourceLocation);
flextglGetProgramResourceName = reinterpret_cast<void(APIENTRY*)(GLuint, GLenum, GLuint, GLsizei, GLsizei *, GLchar *)>(glGetProgramResourceName);
flextglGetProgramResourceiv = reinterpret_cast<void(APIENTRY*)(GLuint, GLenum, GLuint, GLsizei, const GLenum *, GLsizei, GLsizei *, GLint *)>(glGetProgramResourceiv);
flextglGetTexLevelParameterfv = reinterpret_cast<void(APIENTRY*)(GLenum, GLint, GLenum, GLfloat *)>(glGetTexLevelParameterfv);
flextglGetTexLevelParameteriv = reinterpret_cast<void(APIENTRY*)(GLenum, GLint, GLenum, GLint *)>(glGetTexLevelParameteriv);
flextglIsProgramPipeline = reinterpret_cast<GLboolean(APIENTRY*)(GLuint)>(glIsProgramPipeline);
flextglMemoryBarrier = reinterpret_cast<void(APIENTRY*)(GLbitfield)>(glMemoryBarrier);
flextglMemoryBarrierByRegion = reinterpret_cast<void(APIENTRY*)(GLbitfield)>(glMemoryBarrierByRegion);
flextglProgramUniform1f = reinterpret_cast<void(APIENTRY*)(GLuint, GLint, GLfloat)>(glProgramUniform1f);
flextglProgramUniform1fv = reinterpret_cast<void(APIENTRY*)(GLuint, GLint, GLsizei, const GLfloat *)>(glProgramUniform1fv);
flextglProgramUniform1i = reinterpret_cast<void(APIENTRY*)(GLuint, GLint, GLint)>(glProgramUniform1i);
flextglProgramUniform1iv = reinterpret_cast<void(APIENTRY*)(GLuint, GLint, GLsizei, const GLint *)>(glProgramUniform1iv);
flextglProgramUniform1ui = reinterpret_cast<void(APIENTRY*)(GLuint, GLint, GLuint)>(glProgramUniform1ui);
flextglProgramUniform1uiv = reinterpret_cast<void(APIENTRY*)(GLuint, GLint, GLsizei, const GLuint *)>(glProgramUniform1uiv);
flextglProgramUniform2f = reinterpret_cast<void(APIENTRY*)(GLuint, GLint, GLfloat, GLfloat)>(glProgramUniform2f);
flextglProgramUniform2fv = reinterpret_cast<void(APIENTRY*)(GLuint, GLint, GLsizei, const GLfloat *)>(glProgramUniform2fv);
flextglProgramUniform2i = reinterpret_cast<void(APIENTRY*)(GLuint, GLint, GLint, GLint)>(glProgramUniform2i);
flextglProgramUniform2iv = reinterpret_cast<void(APIENTRY*)(GLuint, GLint, GLsizei, const GLint *)>(glProgramUniform2iv);
flextglProgramUniform2ui = reinterpret_cast<void(APIENTRY*)(GLuint, GLint, GLuint, GLuint)>(glProgramUniform2ui);
flextglProgramUniform2uiv = reinterpret_cast<void(APIENTRY*)(GLuint, GLint, GLsizei, const GLuint *)>(glProgramUniform2uiv);
flextglProgramUniform3f = reinterpret_cast<void(APIENTRY*)(GLuint, GLint, GLfloat, GLfloat, GLfloat)>(glProgramUniform3f);
flextglProgramUniform3fv = reinterpret_cast<void(APIENTRY*)(GLuint, GLint, GLsizei, const GLfloat *)>(glProgramUniform3fv);
flextglProgramUniform3i = reinterpret_cast<void(APIENTRY*)(GLuint, GLint, GLint, GLint, GLint)>(glProgramUniform3i);
flextglProgramUniform3iv = reinterpret_cast<void(APIENTRY*)(GLuint, GLint, GLsizei, const GLint *)>(glProgramUniform3iv);
flextglProgramUniform3ui = reinterpret_cast<void(APIENTRY*)(GLuint, GLint, GLuint, GLuint, GLuint)>(glProgramUniform3ui);
flextglProgramUniform3uiv = reinterpret_cast<void(APIENTRY*)(GLuint, GLint, GLsizei, const GLuint *)>(glProgramUniform3uiv);
flextglProgramUniform4f = reinterpret_cast<void(APIENTRY*)(GLuint, GLint, GLfloat, GLfloat, GLfloat, GLfloat)>(glProgramUniform4f);
flextglProgramUniform4fv = reinterpret_cast<void(APIENTRY*)(GLuint, GLint, GLsizei, const GLfloat *)>(glProgramUniform4fv);
flextglProgramUniform4i = reinterpret_cast<void(APIENTRY*)(GLuint, GLint, GLint, GLint, GLint, GLint)>(glProgramUniform4i);
flextglProgramUniform4iv = reinterpret_cast<void(APIENTRY*)(GLuint, GLint, GLsizei, const GLint *)>(glProgramUniform4iv);
flextglProgramUniform4ui = reinterpret_cast<void(APIENTRY*)(GLuint, GLint, GLuint, GLuint, GLuint, GLuint)>(glProgramUniform4ui);
flextglProgramUniform4uiv = reinterpret_cast<void(APIENTRY*)(GLuint, GLint, GLsizei, const GLuint *)>(glProgramUniform4uiv);
flextglProgramUniformMatrix2fv = reinterpret_cast<void(APIENTRY*)(GLuint, GLint, GLsizei, GLboolean, const GLfloat *)>(glProgramUniformMatrix2fv);
flextglProgramUniformMatrix2x3fv = reinterpret_cast<void(APIENTRY*)(GLuint, GLint, GLsizei, GLboolean, const GLfloat *)>(glProgramUniformMatrix2x3fv);
flextglProgramUniformMatrix2x4fv = reinterpret_cast<void(APIENTRY*)(GLuint, GLint, GLsizei, GLboolean, const GLfloat *)>(glProgramUniformMatrix2x4fv);
flextglProgramUniformMatrix3fv = reinterpret_cast<void(APIENTRY*)(GLuint, GLint, GLsizei, GLboolean, const GLfloat *)>(glProgramUniformMatrix3fv);
flextglProgramUniformMatrix3x2fv = reinterpret_cast<void(APIENTRY*)(GLuint, GLint, GLsizei, GLboolean, const GLfloat *)>(glProgramUniformMatrix3x2fv);
flextglProgramUniformMatrix3x4fv = reinterpret_cast<void(APIENTRY*)(GLuint, GLint, GLsizei, GLboolean, const GLfloat *)>(glProgramUniformMatrix3x4fv);
flextglProgramUniformMatrix4fv = reinterpret_cast<void(APIENTRY*)(GLuint, GLint, GLsizei, GLboolean, const GLfloat *)>(glProgramUniformMatrix4fv);
flextglProgramUniformMatrix4x2fv = reinterpret_cast<void(APIENTRY*)(GLuint, GLint, GLsizei, GLboolean, const GLfloat *)>(glProgramUniformMatrix4x2fv);
flextglProgramUniformMatrix4x3fv = reinterpret_cast<void(APIENTRY*)(GLuint, GLint, GLsizei, GLboolean, const GLfloat *)>(glProgramUniformMatrix4x3fv);
flextglSampleMaski = reinterpret_cast<void(APIENTRY*)(GLuint, GLbitfield)>(glSampleMaski);
flextglTexStorage2DMultisample = reinterpret_cast<void(APIENTRY*)(GLenum, GLsizei, GLenum, GLsizei, GLsizei, GLboolean)>(glTexStorage2DMultisample);
flextglUseProgramStages = reinterpret_cast<void(APIENTRY*)(GLuint, GLbitfield, GLuint)>(glUseProgramStages);
flextglValidateProgramPipeline = reinterpret_cast<void(APIENTRY*)(GLuint)>(glValidateProgramPipeline);
flextglVertexAttribBinding = reinterpret_cast<void(APIENTRY*)(GLuint, GLuint)>(glVertexAttribBinding);
flextglVertexAttribFormat = reinterpret_cast<void(APIENTRY*)(GLuint, GLint, GLenum, GLboolean, GLuint)>(glVertexAttribFormat);
flextglVertexAttribIFormat = reinterpret_cast<void(APIENTRY*)(GLuint, GLint, GLenum, GLuint)>(glVertexAttribIFormat);
flextglVertexBindingDivisor = reinterpret_cast<void(APIENTRY*)(GLuint, GLuint)>(glVertexBindingDivisor);
#endif
external: updated OpenGL headers with ES 3.2 extensions.
9 years ago
/* GL_ES_VERSION_3_2 */
#if GL_ES_VERSION_3_2
flextglBlendBarrier = reinterpret_cast<void(APIENTRY*)(void)>(glBlendBarrier);
flextglBlendEquationSeparatei = reinterpret_cast<void(APIENTRY*)(GLuint, GLenum, GLenum)>(glBlendEquationSeparatei);
flextglBlendEquationi = reinterpret_cast<void(APIENTRY*)(GLuint, GLenum)>(glBlendEquationi);
flextglBlendFuncSeparatei = reinterpret_cast<void(APIENTRY*)(GLuint, GLenum, GLenum, GLenum, GLenum)>(glBlendFuncSeparatei);
flextglBlendFunci = reinterpret_cast<void(APIENTRY*)(GLuint, GLenum, GLenum)>(glBlendFunci);
flextglColorMaski = reinterpret_cast<void(APIENTRY*)(GLuint, GLboolean, GLboolean, GLboolean, GLboolean)>(glColorMaski);
flextglCopyImageSubData = reinterpret_cast<void(APIENTRY*)(GLuint, GLenum, GLint, GLint, GLint, GLint, GLuint, GLenum, GLint, GLint, GLint, GLint, GLsizei, GLsizei, GLsizei)>(glCopyImageSubData);
flextglDebugMessageCallback = reinterpret_cast<void(APIENTRY*)(GLDEBUGPROC, const void *)>(glDebugMessageCallback);
flextglDebugMessageControl = reinterpret_cast<void(APIENTRY*)(GLenum, GLenum, GLenum, GLsizei, const GLuint *, GLboolean)>(glDebugMessageControl);
flextglDebugMessageInsert = reinterpret_cast<void(APIENTRY*)(GLenum, GLenum, GLuint, GLenum, GLsizei, const GLchar *)>(glDebugMessageInsert);
flextglDisablei = reinterpret_cast<void(APIENTRY*)(GLenum, GLuint)>(glDisablei);
flextglDrawElementsBaseVertex = reinterpret_cast<void(APIENTRY*)(GLenum, GLsizei, GLenum, const void *, GLint)>(glDrawElementsBaseVertex);
flextglDrawElementsInstancedBaseVertex = reinterpret_cast<void(APIENTRY*)(GLenum, GLsizei, GLenum, const void *, GLsizei, GLint)>(glDrawElementsInstancedBaseVertex);
flextglDrawRangeElementsBaseVertex = reinterpret_cast<void(APIENTRY*)(GLenum, GLuint, GLuint, GLsizei, GLenum, const void *, GLint)>(glDrawRangeElementsBaseVertex);
flextglEnablei = reinterpret_cast<void(APIENTRY*)(GLenum, GLuint)>(glEnablei);
flextglFramebufferTexture = reinterpret_cast<void(APIENTRY*)(GLenum, GLenum, GLuint, GLint)>(glFramebufferTexture);
flextglGetDebugMessageLog = reinterpret_cast<GLuint(APIENTRY*)(GLuint, GLsizei, GLenum *, GLenum *, GLuint *, GLenum *, GLsizei *, GLchar *)>(glGetDebugMessageLog);
flextglGetGraphicsResetStatus = reinterpret_cast<GLenum(APIENTRY*)(void)>(glGetGraphicsResetStatus);
flextglGetObjectLabel = reinterpret_cast<void(APIENTRY*)(GLenum, GLuint, GLsizei, GLsizei *, GLchar *)>(glGetObjectLabel);
flextglGetObjectPtrLabel = reinterpret_cast<void(APIENTRY*)(const void *, GLsizei, GLsizei *, GLchar *)>(glGetObjectPtrLabel);
flextglGetPointerv = reinterpret_cast<void(APIENTRY*)(GLenum, void **)>(glGetPointerv);
flextglGetSamplerParameterIiv = reinterpret_cast<void(APIENTRY*)(GLuint, GLenum, GLint *)>(glGetSamplerParameterIiv);
flextglGetSamplerParameterIuiv = reinterpret_cast<void(APIENTRY*)(GLuint, GLenum, GLuint *)>(glGetSamplerParameterIuiv);
flextglGetTexParameterIiv = reinterpret_cast<void(APIENTRY*)(GLenum, GLenum, GLint *)>(glGetTexParameterIiv);
flextglGetTexParameterIuiv = reinterpret_cast<void(APIENTRY*)(GLenum, GLenum, GLuint *)>(glGetTexParameterIuiv);
flextglGetnUniformfv = reinterpret_cast<void(APIENTRY*)(GLuint, GLint, GLsizei, GLfloat *)>(glGetnUniformfv);
flextglGetnUniformiv = reinterpret_cast<void(APIENTRY*)(GLuint, GLint, GLsizei, GLint *)>(glGetnUniformiv);
flextglGetnUniformuiv = reinterpret_cast<void(APIENTRY*)(GLuint, GLint, GLsizei, GLuint *)>(glGetnUniformuiv);
flextglIsEnabledi = reinterpret_cast<GLboolean(APIENTRY*)(GLenum, GLuint)>(glIsEnabledi);
flextglMinSampleShading = reinterpret_cast<void(APIENTRY*)(GLfloat)>(glMinSampleShading);
flextglObjectLabel = reinterpret_cast<void(APIENTRY*)(GLenum, GLuint, GLsizei, const GLchar *)>(glObjectLabel);
flextglObjectPtrLabel = reinterpret_cast<void(APIENTRY*)(const void *, GLsizei, const GLchar *)>(glObjectPtrLabel);
flextglPatchParameteri = reinterpret_cast<void(APIENTRY*)(GLenum, GLint)>(glPatchParameteri);
flextglPopDebugGroup = reinterpret_cast<void(APIENTRY*)(void)>(glPopDebugGroup);
flextglPrimitiveBoundingBox = reinterpret_cast<void(APIENTRY*)(GLfloat, GLfloat, GLfloat, GLfloat, GLfloat, GLfloat, GLfloat, GLfloat)>(glPrimitiveBoundingBox);
flextglPushDebugGroup = reinterpret_cast<void(APIENTRY*)(GLenum, GLuint, GLsizei, const GLchar *)>(glPushDebugGroup);
flextglReadnPixels = reinterpret_cast<void(APIENTRY*)(GLint, GLint, GLsizei, GLsizei, GLenum, GLenum, GLsizei, void *)>(glReadnPixels);
flextglSamplerParameterIiv = reinterpret_cast<void(APIENTRY*)(GLuint, GLenum, const GLint *)>(glSamplerParameterIiv);
flextglSamplerParameterIuiv = reinterpret_cast<void(APIENTRY*)(GLuint, GLenum, const GLuint *)>(glSamplerParameterIuiv);
flextglTexBuffer = reinterpret_cast<void(APIENTRY*)(GLenum, GLenum, GLuint)>(glTexBuffer);
flextglTexBufferRange = reinterpret_cast<void(APIENTRY*)(GLenum, GLenum, GLuint, GLintptr, GLsizeiptr)>(glTexBufferRange);
flextglTexParameterIiv = reinterpret_cast<void(APIENTRY*)(GLenum, GLenum, const GLint *)>(glTexParameterIiv);
flextglTexParameterIuiv = reinterpret_cast<void(APIENTRY*)(GLenum, GLenum, const GLuint *)>(glTexParameterIuiv);
flextglTexStorage3DMultisample = reinterpret_cast<void(APIENTRY*)(GLenum, GLsizei, GLenum, GLsizei, GLsizei, GLsizei, GLboolean)>(glTexStorage3DMultisample);
#endif
iOS-specific function pointer loader. It seems that there is no such thing as eglGetProcAddress() and thus we are able to use only functions that are defined in the ES[23]/glext.h header and no others. So, currently, the function loader internally undefs all function name macros that were defined in our flextgl.h header, then includes the Apple's glext.h header and assigns function pointers of those extensions that are defined in the header. Apple also has some minor differences in function signatures (different constness of pointer-to-pointer variables) so I had to reinterpret_cast everything. Might seem to be uglier than including glext.h directly in our code, but I made bad experience when doing so -- I want to depend on my header bugs that are consistent across all platforms instead of depending on whatever changes Apple makes in its headers. I also want to have all functions defined and not only those that are supported on iOS. Phew. Thank you, flextGL, for making it way easier than it appeared to be at first.
10 years ago
/* GL_EXT_copy_image */
#if GL_EXT_copy_image
flextglCopyImageSubDataEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLenum, GLint, GLint, GLint, GLint, GLuint, GLenum, GLint, GLint, GLint, GLint, GLsizei, GLsizei, GLsizei)>(glCopyImageSubDataEXT);
#endif
/* GL_EXT_debug_label */
#if GL_EXT_debug_label
flextglGetObjectLabelEXT = reinterpret_cast<void(APIENTRY*)(GLenum, GLuint, GLsizei, GLsizei *, GLchar *)>(glGetObjectLabelEXT);
flextglLabelObjectEXT = reinterpret_cast<void(APIENTRY*)(GLenum, GLuint, GLsizei, const GLchar *)>(glLabelObjectEXT);
#endif
/* GL_EXT_debug_marker */
#if GL_EXT_debug_marker
flextglInsertEventMarkerEXT = reinterpret_cast<void(APIENTRY*)(GLsizei, const GLchar *)>(glInsertEventMarkerEXT);
flextglPopGroupMarkerEXT = reinterpret_cast<void(APIENTRY*)(void)>(glPopGroupMarkerEXT);
flextglPushGroupMarkerEXT = reinterpret_cast<void(APIENTRY*)(GLsizei, const GLchar *)>(glPushGroupMarkerEXT);
#endif
/* GL_EXT_disjoint_timer_query */
#if GL_EXT_disjoint_timer_query
flextglBeginQueryEXT = reinterpret_cast<void(APIENTRY*)(GLenum, GLuint)>(glBeginQueryEXT);
flextglDeleteQueriesEXT = reinterpret_cast<void(APIENTRY*)(GLsizei, const GLuint *)>(glDeleteQueriesEXT);
flextglEndQueryEXT = reinterpret_cast<void(APIENTRY*)(GLenum)>(glEndQueryEXT);
flextglGenQueriesEXT = reinterpret_cast<void(APIENTRY*)(GLsizei, GLuint *)>(glGenQueriesEXT);
flextglGetQueryObjecti64vEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLenum, GLint64 *)>(glGetQueryObjecti64vEXT);
flextglGetQueryObjectivEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLenum, GLint *)>(glGetQueryObjectivEXT);
flextglGetQueryObjectui64vEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLenum, GLuint64 *)>(glGetQueryObjectui64vEXT);
flextglGetQueryObjectuivEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLenum, GLuint *)>(glGetQueryObjectuivEXT);
flextglGetQueryivEXT = reinterpret_cast<void(APIENTRY*)(GLenum, GLenum, GLint *)>(glGetQueryivEXT);
flextglIsQueryEXT = reinterpret_cast<GLboolean(APIENTRY*)(GLuint)>(glIsQueryEXT);
flextglQueryCounterEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLenum)>(glQueryCounterEXT);
#endif
/* GL_EXT_draw_buffers_indexed */
#if GL_EXT_draw_buffers_indexed
flextglBlendEquationSeparateiEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLenum, GLenum)>(glBlendEquationSeparateiEXT);
flextglBlendEquationiEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLenum)>(glBlendEquationiEXT);
flextglBlendFuncSeparateiEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLenum, GLenum, GLenum, GLenum)>(glBlendFuncSeparateiEXT);
flextglBlendFunciEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLenum, GLenum)>(glBlendFunciEXT);
flextglColorMaskiEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLboolean, GLboolean, GLboolean, GLboolean)>(glColorMaskiEXT);
flextglDisableiEXT = reinterpret_cast<void(APIENTRY*)(GLenum, GLuint)>(glDisableiEXT);
flextglEnableiEXT = reinterpret_cast<void(APIENTRY*)(GLenum, GLuint)>(glEnableiEXT);
flextglIsEnablediEXT = reinterpret_cast<GLboolean(APIENTRY*)(GLenum, GLuint)>(glIsEnablediEXT);
#endif
/* GL_EXT_geometry_shader */
#if GL_EXT_geometry_shader
flextglFramebufferTextureEXT = reinterpret_cast<void(APIENTRY*)(GLenum, GLenum, GLuint, GLint)>(glFramebufferTextureEXT);
#endif
/* GL_EXT_multi_draw_arrays */
#if GL_EXT_multi_draw_arrays
flextglMultiDrawArraysEXT = reinterpret_cast<void(APIENTRY*)(GLenum, const GLint *, const GLsizei *, GLsizei)>(glMultiDrawArraysEXT);
flextglMultiDrawElementsEXT = reinterpret_cast<void(APIENTRY*)(GLenum, const GLsizei *, GLenum, const void *const*, GLsizei)>(glMultiDrawElementsEXT);
#endif
/* GL_EXT_multisampled_render_to_texture */
#if GL_EXT_multisampled_render_to_texture
flextglFramebufferTexture2DMultisampleEXT = reinterpret_cast<void(APIENTRY*)(GLenum, GLenum, GLenum, GLuint, GLint, GLsizei)>(glFramebufferTexture2DMultisampleEXT);
flextglRenderbufferStorageMultisampleEXT = reinterpret_cast<void(APIENTRY*)(GLenum, GLsizei, GLenum, GLsizei, GLsizei)>(glRenderbufferStorageMultisampleEXT);
#endif
/* GL_EXT_primitive_bounding_box */
#if GL_EXT_primitive_bounding_box
flextglPrimitiveBoundingBoxEXT = reinterpret_cast<void(APIENTRY*)(GLfloat, GLfloat, GLfloat, GLfloat, GLfloat, GLfloat, GLfloat, GLfloat)>(glPrimitiveBoundingBoxEXT);
#endif
/* GL_EXT_robustness */
#if GL_EXT_robustness
flextglGetGraphicsResetStatusEXT = reinterpret_cast<GLenum(APIENTRY*)(void)>(glGetGraphicsResetStatusEXT);
flextglGetnUniformfvEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLint, GLsizei, GLfloat *)>(glGetnUniformfvEXT);
flextglGetnUniformivEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLint, GLsizei, GLint *)>(glGetnUniformivEXT);
flextglReadnPixelsEXT = reinterpret_cast<void(APIENTRY*)(GLint, GLint, GLsizei, GLsizei, GLenum, GLenum, GLsizei, void *)>(glReadnPixelsEXT);
#endif
/* GL_EXT_separate_shader_objects */
#if GL_EXT_separate_shader_objects
flextglActiveShaderProgramEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLuint)>(glActiveShaderProgramEXT);
flextglBindProgramPipelineEXT = reinterpret_cast<void(APIENTRY*)(GLuint)>(glBindProgramPipelineEXT);
flextglCreateShaderProgramvEXT = reinterpret_cast<GLuint(APIENTRY*)(GLenum, GLsizei, const GLchar **)>(glCreateShaderProgramvEXT);
flextglDeleteProgramPipelinesEXT = reinterpret_cast<void(APIENTRY*)(GLsizei, const GLuint *)>(glDeleteProgramPipelinesEXT);
flextglGenProgramPipelinesEXT = reinterpret_cast<void(APIENTRY*)(GLsizei, GLuint *)>(glGenProgramPipelinesEXT);
flextglGetProgramPipelineInfoLogEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLsizei, GLsizei *, GLchar *)>(glGetProgramPipelineInfoLogEXT);
flextglGetProgramPipelineivEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLenum, GLint *)>(glGetProgramPipelineivEXT);
flextglIsProgramPipelineEXT = reinterpret_cast<GLboolean(APIENTRY*)(GLuint)>(glIsProgramPipelineEXT);
flextglProgramParameteriEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLenum, GLint)>(glProgramParameteriEXT);
flextglProgramUniform1fEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLint, GLfloat)>(glProgramUniform1fEXT);
flextglProgramUniform1fvEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLint, GLsizei, const GLfloat *)>(glProgramUniform1fvEXT);
flextglProgramUniform1iEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLint, GLint)>(glProgramUniform1iEXT);
flextglProgramUniform1ivEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLint, GLsizei, const GLint *)>(glProgramUniform1ivEXT);
flextglProgramUniform1uiEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLint, GLuint)>(glProgramUniform1uiEXT);
flextglProgramUniform1uivEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLint, GLsizei, const GLuint *)>(glProgramUniform1uivEXT);
flextglProgramUniform2fEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLint, GLfloat, GLfloat)>(glProgramUniform2fEXT);
flextglProgramUniform2fvEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLint, GLsizei, const GLfloat *)>(glProgramUniform2fvEXT);
flextglProgramUniform2iEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLint, GLint, GLint)>(glProgramUniform2iEXT);
flextglProgramUniform2ivEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLint, GLsizei, const GLint *)>(glProgramUniform2ivEXT);
flextglProgramUniform2uiEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLint, GLuint, GLuint)>(glProgramUniform2uiEXT);
flextglProgramUniform2uivEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLint, GLsizei, const GLuint *)>(glProgramUniform2uivEXT);
flextglProgramUniform3fEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLint, GLfloat, GLfloat, GLfloat)>(glProgramUniform3fEXT);
flextglProgramUniform3fvEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLint, GLsizei, const GLfloat *)>(glProgramUniform3fvEXT);
flextglProgramUniform3iEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLint, GLint, GLint, GLint)>(glProgramUniform3iEXT);
flextglProgramUniform3ivEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLint, GLsizei, const GLint *)>(glProgramUniform3ivEXT);
flextglProgramUniform3uiEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLint, GLuint, GLuint, GLuint)>(glProgramUniform3uiEXT);
flextglProgramUniform3uivEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLint, GLsizei, const GLuint *)>(glProgramUniform3uivEXT);
flextglProgramUniform4fEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLint, GLfloat, GLfloat, GLfloat, GLfloat)>(glProgramUniform4fEXT);
flextglProgramUniform4fvEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLint, GLsizei, const GLfloat *)>(glProgramUniform4fvEXT);
flextglProgramUniform4iEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLint, GLint, GLint, GLint, GLint)>(glProgramUniform4iEXT);
flextglProgramUniform4ivEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLint, GLsizei, const GLint *)>(glProgramUniform4ivEXT);
flextglProgramUniform4uiEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLint, GLuint, GLuint, GLuint, GLuint)>(glProgramUniform4uiEXT);
flextglProgramUniform4uivEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLint, GLsizei, const GLuint *)>(glProgramUniform4uivEXT);
flextglProgramUniformMatrix2fvEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLint, GLsizei, GLboolean, const GLfloat *)>(glProgramUniformMatrix2fvEXT);
flextglProgramUniformMatrix2x3fvEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLint, GLsizei, GLboolean, const GLfloat *)>(glProgramUniformMatrix2x3fvEXT);
flextglProgramUniformMatrix2x4fvEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLint, GLsizei, GLboolean, const GLfloat *)>(glProgramUniformMatrix2x4fvEXT);
flextglProgramUniformMatrix3fvEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLint, GLsizei, GLboolean, const GLfloat *)>(glProgramUniformMatrix3fvEXT);
flextglProgramUniformMatrix3x2fvEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLint, GLsizei, GLboolean, const GLfloat *)>(glProgramUniformMatrix3x2fvEXT);
flextglProgramUniformMatrix3x4fvEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLint, GLsizei, GLboolean, const GLfloat *)>(glProgramUniformMatrix3x4fvEXT);
flextglProgramUniformMatrix4fvEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLint, GLsizei, GLboolean, const GLfloat *)>(glProgramUniformMatrix4fvEXT);
flextglProgramUniformMatrix4x2fvEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLint, GLsizei, GLboolean, const GLfloat *)>(glProgramUniformMatrix4x2fvEXT);
flextglProgramUniformMatrix4x3fvEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLint, GLsizei, GLboolean, const GLfloat *)>(glProgramUniformMatrix4x3fvEXT);
flextglUseProgramStagesEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLbitfield, GLuint)>(glUseProgramStagesEXT);
flextglValidateProgramPipelineEXT = reinterpret_cast<void(APIENTRY*)(GLuint)>(glValidateProgramPipelineEXT);
#endif
/* GL_EXT_tessellation_shader */
#if GL_EXT_tessellation_shader
flextglPatchParameteriEXT = reinterpret_cast<void(APIENTRY*)(GLenum, GLint)>(glPatchParameteriEXT);
#endif
/* GL_EXT_texture_border_clamp */
#if GL_EXT_texture_border_clamp
flextglGetSamplerParameterIivEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLenum, GLint *)>(glGetSamplerParameterIivEXT);
flextglGetSamplerParameterIuivEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLenum, GLuint *)>(glGetSamplerParameterIuivEXT);
flextglGetTexParameterIivEXT = reinterpret_cast<void(APIENTRY*)(GLenum, GLenum, GLint *)>(glGetTexParameterIivEXT);
flextglGetTexParameterIuivEXT = reinterpret_cast<void(APIENTRY*)(GLenum, GLenum, GLuint *)>(glGetTexParameterIuivEXT);
flextglSamplerParameterIivEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLenum, const GLint *)>(glSamplerParameterIivEXT);
flextglSamplerParameterIuivEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLenum, const GLuint *)>(glSamplerParameterIuivEXT);
flextglTexParameterIivEXT = reinterpret_cast<void(APIENTRY*)(GLenum, GLenum, const GLint *)>(glTexParameterIivEXT);
flextglTexParameterIuivEXT = reinterpret_cast<void(APIENTRY*)(GLenum, GLenum, const GLuint *)>(glTexParameterIuivEXT);
#endif
/* GL_EXT_texture_buffer */
#if GL_EXT_texture_buffer
flextglTexBufferEXT = reinterpret_cast<void(APIENTRY*)(GLenum, GLenum, GLuint)>(glTexBufferEXT);
flextglTexBufferRangeEXT = reinterpret_cast<void(APIENTRY*)(GLenum, GLenum, GLuint, GLintptr, GLsizeiptr)>(glTexBufferRangeEXT);
#endif
/* GL_KHR_blend_equation_advanced */
#if GL_KHR_blend_equation_advanced
flextglBlendBarrierKHR = reinterpret_cast<void(APIENTRY*)(void)>(glBlendBarrierKHR);
#endif
/* GL_KHR_debug */
#if GL_KHR_debug
flextglDebugMessageCallbackKHR = reinterpret_cast<void(APIENTRY*)(GLDEBUGPROCKHR, const void *)>(glDebugMessageCallbackKHR);
flextglDebugMessageControlKHR = reinterpret_cast<void(APIENTRY*)(GLenum, GLenum, GLenum, GLsizei, const GLuint *, GLboolean)>(glDebugMessageControlKHR);
flextglDebugMessageInsertKHR = reinterpret_cast<void(APIENTRY*)(GLenum, GLenum, GLuint, GLenum, GLsizei, const GLchar *)>(glDebugMessageInsertKHR);
flextglGetDebugMessageLogKHR = reinterpret_cast<GLuint(APIENTRY*)(GLuint, GLsizei, GLenum *, GLenum *, GLuint *, GLenum *, GLsizei *, GLchar *)>(glGetDebugMessageLogKHR);
flextglGetObjectLabelKHR = reinterpret_cast<void(APIENTRY*)(GLenum, GLuint, GLsizei, GLsizei *, GLchar *)>(glGetObjectLabelKHR);
flextglGetObjectPtrLabelKHR = reinterpret_cast<void(APIENTRY*)(const void *, GLsizei, GLsizei *, GLchar *)>(glGetObjectPtrLabelKHR);
flextglGetPointervKHR = reinterpret_cast<void(APIENTRY*)(GLenum, void **)>(glGetPointervKHR);
flextglObjectLabelKHR = reinterpret_cast<void(APIENTRY*)(GLenum, GLuint, GLsizei, const GLchar *)>(glObjectLabelKHR);
flextglObjectPtrLabelKHR = reinterpret_cast<void(APIENTRY*)(const void *, GLsizei, const GLchar *)>(glObjectPtrLabelKHR);
flextglPopDebugGroupKHR = reinterpret_cast<void(APIENTRY*)(void)>(glPopDebugGroupKHR);
flextglPushDebugGroupKHR = reinterpret_cast<void(APIENTRY*)(GLenum, GLuint, GLsizei, const GLchar *)>(glPushDebugGroupKHR);
#endif
/* GL_KHR_robustness */
#if GL_KHR_robustness
flextglGetGraphicsResetStatusKHR = reinterpret_cast<GLenum(APIENTRY*)(void)>(glGetGraphicsResetStatusKHR);
flextglGetnUniformfvKHR = reinterpret_cast<void(APIENTRY*)(GLuint, GLint, GLsizei, GLfloat *)>(glGetnUniformfvKHR);
flextglGetnUniformivKHR = reinterpret_cast<void(APIENTRY*)(GLuint, GLint, GLsizei, GLint *)>(glGetnUniformivKHR);
flextglGetnUniformuivKHR = reinterpret_cast<void(APIENTRY*)(GLuint, GLint, GLsizei, GLuint *)>(glGetnUniformuivKHR);
flextglReadnPixelsKHR = reinterpret_cast<void(APIENTRY*)(GLint, GLint, GLsizei, GLsizei, GLenum, GLenum, GLsizei, void *)>(glReadnPixelsKHR);
#endif
/* GL_NV_polygon_mode */
#if GL_NV_polygon_mode
flextglPolygonModeNV = reinterpret_cast<void(APIENTRY*)(GLenum, GLenum)>(glPolygonModeNV);
#endif
/* GL_OES_mapbuffer */
#if GL_OES_mapbuffer
flextglGetBufferPointervOES = reinterpret_cast<void(APIENTRY*)(GLenum, GLenum, void **)>(glGetBufferPointervOES);
flextglMapBufferOES = reinterpret_cast<void *(APIENTRY*)(GLenum, GLenum)>(glMapBufferOES);
flextglUnmapBufferOES = reinterpret_cast<GLboolean(APIENTRY*)(GLenum)>(glUnmapBufferOES);
#endif
/* GL_OES_sample_shading */
#if GL_OES_sample_shading
flextglMinSampleShadingOES = reinterpret_cast<void(APIENTRY*)(GLfloat)>(glMinSampleShadingOES);
#endif
/* GL_OES_texture_storage_multisample_2d_array */
#if GL_OES_texture_storage_multisample_2d_array
flextglTexStorage3DMultisampleOES = reinterpret_cast<void(APIENTRY*)(GLenum, GLsizei, GLenum, GLsizei, GLsizei, GLsizei, GLboolean)>(glTexStorage3DMultisampleOES);
#endif
}