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/*
* Copyright (C) Volition, Inc. 1999. All rights reserved.
*
* All source code herein is the property of Volition, Inc. You may not sell
* or otherwise commercially exploit the source or things you created based on the
* source.
*
*/
#ifndef _GROPENGLEXT_H
#define _GROPENGLEXT_H
#include "globalincs/pstypes.h"
#include "graphics/gropengl.h"
//EXTENSIONS!!!!
//be sure to check for this at startup and handle not finding it gracefully
//to add extensions/functions:
//define an index after the last one, either an extension or a function
//increment NUM_OGL_EXTENSIONS if an extension or NUM_OGL_FUNCTIONS if function
//add function macro for Win32
//add function info to GL_Functions struct
//the structure of extensions/functions are located in gropenglextension.cpp
typedef struct ogl_extension {
bool required_to_run;
bool enabled;
int num_extensions;
const char *extension_name[3];
int num_functions;
const char *function_names[20];
} ogl_extension;
typedef struct ogl_function {
const char *function_name;
ptr_u function_ptr;
} ogl_function;
extern ogl_function GL_Functions[];
extern ogl_extension GL_Extensions[];
extern ogl_function GL_EXT_Special[];
// Extensions
#define OGL_EXT_FOG_COORD 0
#define OGL_ARB_MULTITEXTURE 1
#define OGL_ARB_TEXTURE_ENV_ADD 2
#define OGL_ARB_TEXTURE_COMPRESSION 3
#define OGL_EXT_TEXTURE_COMPRESSION_S3TC 4
#define OGL_EXT_TEXTURE_FILTER_ANISOTROPIC 5
//#define OGL_NV_FOG_DISTANCE 6
//#define OGL_EXT_SECONDARY_COLOR 7
#define OGL_ARB_TEXTURE_ENV_COMBINE 6
#define OGL_EXT_COMPILED_VERTEX_ARRAY 7
//#define OGL_ARB_TRANSPOSE_MATRIX 10
#define OGL_EXT_DRAW_RANGE_ELEMENTS 8
#define OGL_ARB_TEXTURE_MIRRORED_REPEAT 9
#define OGL_ARB_TEXTURE_NON_POWER_OF_TWO 10
#define OGL_ARB_VERTEX_BUFFER_OBJECT 11
#define OGL_ARB_PIXEL_BUFFER_OBJECT 12
#define OGL_SGIS_GENERATE_MIPMAP 13
#define OGL_EXT_FRAMEBUFFER_OBJECT 14
#define OGL_ARB_TEXTURE_RECTANGLE 15
#define OGL_EXT_BGRA 16
#define OGL_ARB_TEXTURE_CUBE_MAP 17
#define OGL_EXT_TEXTURE_LOD_BIAS 18
#define OGL_ARB_POINT_SPRITE 19
#define OGL_ARB_SHADING_LANGUAGE_100 20
#define OGL_ARB_SHADER_OBJECTS 21
#define OGL_ARB_VERTEX_SHADER 22
#define OGL_ARB_FRAGMENT_SHADER 23
#define OGL_SM30 24
#define OGL_ARB_FLOATING_POINT_TEXTURES 25
#define OGL_ARB_DRAW_ELEMENTS_BASE_VERTEX 26
#define OGL_EXT_FRAMEBUFFER_BLIT 27
#define OGL_EXT_GEOMETRY_SHADER4 28
#define OGL_EXT_TEXTURE_ARRAY 29
#define OGL_ARB_UNIFORM_BUFFER_OBJECT 30
#define OGL_EXT_TRANSFORM_FEEDBACK 31
#define OGL_ARB_DRAW_INSTANCED 32
#define OGL_ARB_TEXTURE_BUFFER 33
#define NUM_OGL_EXTENSIONS 34
// Functions
#define OGL_FOG_COORDF 0 // for better looking fog
#define OGL_FOG_COORD_POINTER 1 // used with vertex arrays
#define OGL_MULTI_TEX_COORD_2F 2 // multitex coordinates
#define OGL_ACTIVE_TEXTURE 3 // currenly active multitexture
#define OGL_CLIENT_ACTIVE_TEXTURE 4
#define OGL_COMPRESSED_TEX_IMAGE_2D 5 // 2d compressed texture
#define OGL_COMPRESSED_TEX_SUB_IMAGE_2D 6 // 2d compressed sub texture
#define OGL_GET_COMPRESSED_TEX_IMAGE 7
//#define OGL_SECONDARY_COLOR_3FV 8 // for better looking fog
//#define OGL_SECONDARY_COLOR_3UBV 9 // specular
#define OGL_LOCK_ARRAYS 8 // HTL
#define OGL_UNLOCK_ARRAYS 9 // HTL
//#define OGL_LOAD_TRANSPOSE_MATRIX_F 12
//#define OGL_MULT_TRANSPOSE_MATRIX_F 13
#define OGL_DRAW_RANGE_ELEMENTS 10
#define OGL_BIND_BUFFER 11
#define OGL_DELETE_BUFFERS 12
#define OGL_GEN_BUFFERS 13
#define OGL_BUFFER_DATA 14
#define OGL_BUFFER_SUB_DATA 15
#define OGL_MAP_BUFFER 16
#define OGL_UNMAP_BUFFER 17
#define OGL_IS_RENDERBUFFER 18
#define OGL_BIND_RENDERBUFFER 19
#define OGL_DELETE_RENDERBUFFERS 20
#define OGL_GEN_RENDERBUFFERS 21
#define OGL_RENDERBUFFER_STORAGE 22
#define OGL_GET_RENDERBUFFER_PARAMETER_IV 23
#define OGL_IS_FRAMEBUFFER 24
#define OGL_BIND_FRAMEBUFFER 25
#define OGL_DELETE_FRAMEBUFFERS 26
#define OGL_GEN_FRAMEBUFFERS 27
#define OGL_CHECK_FRAMEBUFFER_STATUS 28
#define OGL_FRAMEBUFFER_TEXTURE_2D 29
#define OGL_FRAMEBUFFER_RENDERBUFFER 30
#define OGL_GET_FRAMEBUFFER_ATTACHMENT_PARAMETER_IV 31
#define OGL_GENERATE_MIPMAP 32
#define OGL_DELETE_OBJECT 33
#define OGL_CREATE_SHADER_OBJECT 34
#define OGL_SHADER_SOURCE 35
#define OGL_COMPILE_SHADER 36
#define OGL_GET_OBJECT_PARAMETERIV 37
#define OGL_GET_INFO_LOG 38
#define OGL_CREATE_PROGRAM_OBJECT 39
#define OGL_ATTACH_OBJECT 40
#define OGL_LINK_PROGRAM 41
#define OGL_USE_PROGRAM_OBJECT 42
#define OGL_VALIDATE_PROGRAM 43
#define OGL_ENABLE_VERTEX_ATTRIB_ARRAY 44
#define OGL_DISABLE_VERTEX_ATTRIB_ARRAY 45
#define OGL_GET_ATTRIB_LOCATION 46
#define OGL_VERTEX_ATTRIB_POINTER 47
#define OGL_GET_UNIFORM_LOCATION 48
#define OGL_GET_UNIFORMIV 49
#define OGL_UNIFORM1F 50
#define OGL_UNIFORM2F 51
#define OGL_UNIFORM3F 52
#define OGL_UNIFORM4F 53
#define OGL_UNIFORM3FV 54
#define OGL_UNIFORM4FV 55
#define OGL_UNIFORM1I 56
#define OGL_UNIFORM_MATRIX4FV 57
#define OGL_DRAWBUFFERS 58
#define OGL_DRAW_ELEMENTS_BASE_VERTEX 59
#define OGL_DRAW_RANGE_ELEMENTS_BASE_VERTEX 60
#define OGL_DRAW_ELEMENTS_INSTANCED_BASE_VERTEX 61
#define OGL_MULTI_DRAW_ELEMENTS_BASE_VERTEX 62
#define OGL_BLITFRAMEBUFFER 63
#define OGL_PROGRAM_PARAMETERI 64
#define OGL_TEXIMAGE3D 65
#define OGL_FRAMEBUFFER_TEXTURE 66
#define OGL_GET_UNIFORM_INDICES 67
#define OGL_GET_ACTIVE_UNIFORMS_IV 68
#define OGL_GET_ACTIVE_UNIFORM_NAME 69
#define OGL_GET_UNIFORM_BLOCK_INDEX 70
#define OGL_GET_ACTIVE_UNIFORM_BLOCK_IV 71
#define OGL_GET_ACTIVE_UNIFORM_BLOCK_NAME 72
#define OGL_UNIFORM_BLOCK_BINDING 73
#define OGL_BEGIN_TRANSFORM_FEEDBACK 74
#define OGL_END_TRANSFORM_FEEDBACK 75
#define OGL_BIND_BUFFER_RANGE 76
#define OGL_BIND_BUFFER_OFFSET 77
#define OGL_BIND_BUFFER_BASE 78
#define OGL_TRANSFORM_FEEDBACK_VARYINGS 79
#define OGL_GET_TRANSFORM_FEEDBACK_VARYING 80
#define OGL_ARB_DRAW_ARRAYS_INSTANCED 81
#define OGL_ARB_DRAW_ELEMENTS_INSTANCED 82
#define OGL_ARB_TEX_BUFFER 83
#define NUM_OGL_FUNCTIONS 84
// special extensions/functions (OS specific, non-GL stuff)
#define OGL_SPC_WGL_SWAP_INTERVAL 0
#define OGL_SPC_GLX_SWAP_INTERVAL 1
#define NUM_OGL_EXT_SPECIAL 2
#define Is_Extension_Enabled(x) GL_Extensions[x].enabled
void opengl_extensions_init();
#define GLEXT_CALL(i, x) if (GL_Functions[i].function_ptr) \
((x)GL_Functions[i].function_ptr)
// the same as GLEXT_CALL() except that it can be used with a cast or in an if statement
// this doesn't do NULL ptr checking so you have to be careful with it!
#define GLEXT_CALL2(i, x) ((x)GL_Functions[i].function_ptr)
#define GLEXT_SPC_CALL(i, x) if (GL_EXT_Special[i].function_ptr) \
((x)GL_EXT_Special[i].function_ptr)
#ifdef __APPLE__
// !-----REMOVE WHEN WE MIGRATE TO THE OPENGL CORE PROFILE-----!
typedef void (* glDrawRangeElementsProcPtr) (GLenum mode, GLuint start, GLuint end, GLsizei count, GLenum type, const GLvoid *indices);
typedef void (* glTexBufferARBProcPtr) (GLenum target, GLenum internalformat, GLuint buffer);
typedef GLuint (* glGetUniformBlockIndexARBProcPtr) (GLuint program, const GLchar *uniformBlockName);
#define GL_TEXTURE_BUFFER_ARB 0x8C2A
#define GL_UNIFORM_BUFFER 0x8A11
// !-----REMOVE WHEN WE MIGRATE TO THE OPENGL CORE PROFILE-----!
// OS X doesn't have the PFN* names so we have to use the real OSX function ptrs
#define PFNGLFOGCOORDFEXTPROC glFogCoordfEXTProcPtr
#define PFNGLFOGCOORDPOINTEREXTPROC glFogCoordPointerEXTProcPtr
#define PFNGLMULTITEXCOORD2FARBPROC glMultiTexCoord2fARBProcPtr
#define PFNGLACTIVETEXTUREARBPROC glActiveTextureARBProcPtr
#define PFNGLCLIENTACTIVETEXTUREARBPROC glClientActiveTextureARBProcPtr
#define PFNGLCOMPRESSEDTEXIMAGE2DPROC glCompressedTexImage2DARBProcPtr
#define PFNGLCOMPRESSEDTEXSUBIMAGE2DPROC glCompressedTexSubImage2DARBProcPtr
#define PFNGLGETCOMPRESSEDTEXIMAGEARBPROC glGetCompressedTexImageARBProcPtr
//#define PFNGLSECONDARYCOLOR3FVEXTPROC glSecondaryColor3fvEXTProcPtr
//#define PFNGLSECONDARYCOLOR3UBVEXTPROC glSecondaryColor3ubvEXTProcPtr
#define PFNGLLOCKARRAYSEXTPROC glLockArraysEXTProcPtr
#define PFNGLUNLOCKARRAYSEXTPROC glUnlockArraysEXTProcPtr
//#define PFNGLLOADTRANSPOSEMATRIXFARBPROC glLoadTransposeMatrixfARBProcPtr
//#define PFNGLMULTTRANSPOSEMATRIXFARBPROC glMultTransposeMatrixfARBProcPtr
#define PFNGLDRAWRANGEELEMENTSPROC glDrawRangeElementsProcPtr
#define PFNGLBINDBUFFERARBPROC glBindBufferARBProcPtr
#define PFNGLDELETEBUFFERSARBPROC glDeleteBuffersARBProcPtr
#define PFNGLGENBUFFERSARBPROC glGenBuffersARBProcPtr
#define PFNGLBUFFERDATAARBPROC glBufferDataARBProcPtr
#define PFNGLBUFFERSUBDATAARBPROC glBufferSubDataARBProcPtr
#define PFNGLMAPBUFFERARBPROC glMapBufferARBProcPtr
#define PFNGLUNMAPBUFFERARBPROC glUnmapBufferARBProcPtr
#define PFNGLISRENDERBUFFEREXTPROC glIsRenderbufferEXTProcPtr
#define PFNGLBINDRENDERBUFFEREXTPROC glBindRenderbufferEXTProcPtr
#define PFNGLDELETERENDERBUFFERSEXTPROC glDeleteRenderbuffersEXTProcPtr
#define PFNGLGENRENDERBUFFERSEXTPROC glGenRenderbuffersEXTProcPtr
#define PFNGLRENDERBUFFERSTORAGEEXTPROC glRenderbufferStorageEXTProcPtr
#define PFNGLGETRENDERBUFFERPARAMETERIVEXTPROC glGetRenderbufferParameterivEXTProcPtr
#define PFNGLISFRAMEBUFFEREXTPROC glIsFramebufferEXTProcPtr
#define PFNGLBINDFRAMEBUFFEREXTPROC glBindFramebufferEXTProcPtr
#define PFNGLDELETEFRAMEBUFFERSEXTPROC glDeleteFramebuffersEXTProcPtr
#define PFNGLGENFRAMEBUFFERSEXTPROC glGenFramebuffersEXTProcPtr
#define PFNGLCHECKFRAMEBUFFERSTATUSEXTPROC glCheckFramebufferStatusEXTProcPtr
#define PFNGLFRAMEBUFFERTEXTURE2DEXTPROC glFramebufferTexture2DEXTProcPtr
#define PFNGLFRAMEBUFFERRENDERBUFFEREXTPROC glFramebufferRenderbufferEXTProcPtr
#define PFNGLGETFRAMEBUFFERATTACHMENTPARAMETERIVEXTPROC glGetFramebufferAttachmentParameterivEXTProcPtr
#define PFNGLGENERATEMIPMAPEXTPROC glGenerateMipmapEXTProcPtr
#define PFNGLDELETEOBJECTARBPROC glDeleteObjectARBProcPtr
#define PFNGLCREATESHADEROBJECTARBPROC glCreateShaderObjectARBProcPtr
#define PFNGLSHADERSOURCEARBPROC glShaderSourceARBProcPtr
#define PFNGLCOMPILESHADERARBPROC glCompileShaderARBProcPtr
#define PFNGLGETOBJECTPARAMETERIVARBPROC glGetObjectParameterivARBProcPtr
#define PFNGLGETINFOLOGARBPROC glGetInfoLogARBProcPtr
#define PFNGLCREATEPROGRAMOBJECTARBPROC glCreateProgramObjectARBProcPtr
#define PFNGLATTACHOBJECTARBPROC glAttachObjectARBProcPtr
#define PFNGLLINKPROGRAMARBPROC glLinkProgramARBProcPtr
#define PFNGLUSEPROGRAMOBJECTARBPROC glUseProgramObjectARBProcPtr
#define PFNGLVALIDATEPROGRAMARBPROC glValidateProgramARBProcPtr
#define PFNGLENABLEVERTEXATTRIBARRAYARBPROC glEnableVertexAttribArrayARBProcPtr
#define PFNGLDISABLEVERTEXATTRIBARRAYARBPROC glDisableVertexAttribArrayARBProcPtr
#define PFNGLGETATTRIBLOCATIONARBPROC glGetAttribLocationARBProcPtr
#define PFNGLVERTEXATTRIBPOINTERARBPROC glVertexAttribPointerARBProcPtr
#define PFNGLGETUNIFORMLOCATIONARBPROC glGetUniformLocationARBProcPtr
#define PFNGLGETUNIFORMIVARBPROC glGetUniformivARBProcPtr
#define PFNGLUNIFORM1FARBPROC glUniform1fARBProcPtr
#define PFNGLUNIFORM2FARBPROC glUniform2fARBProcPtr
#define PFNGLUNIFORM3FARBPROC glUniform3fARBProcPtr
#define PFNGLUNIFORM4FARBPROC glUniform4fARBProcPtr
#define PFNGLUNIFORM3FVARBPROC glUniform3fvARBProcPtr
#define PFNGLUNIFORM4FVARBPROC glUniform4fvARBProcPtr
#define PFNGLUNIFORM1IARBPROC glUniform1iARBProcPtr
#define PFNGLUNIFORMMATRIX4FVARBPROC glUniformMatrix4fvARBProcPtr
#define PFNGLDRAWBUFFERSPROC glDrawBuffersARBProcPtr
#define PFNGLDRAWELEMENTSBASEVERTEXPROC glDrawElementsBaseVertexProcPtr
#define PFNGLDRAWRANGEELEMENTSBASEVERTEXPROC glDrawRangeElementsBaseVertexProcPtr
#define PFNGLDRAWELEMENTSINSTANCEDBASEVERTEXPROC glDrawElementsInstancedBaseVertexProcPtr
#define PFNGLMULTIDRAWELEMENTSBASEVERTEXPROC glMultiDrawElementsBaseVertexProcPtr
#define PFNGLBLITFRAMEBUFFEREXTPROC glBlitFramebufferEXTProcPtr
#define PFNGLPROGRAMPARAMETERIEXTPROC glProgramParameteriEXTProcPtr
#define PFNGLFRAMEBUFFERTEXTUREEXTPROC glFramebufferTextureEXTProcPtr
#define PFNGLGETUNIFORMINDICESPROC glGetUniformIndicesARBProcPtr
#define PFNGLGETACTIVEUNIFORMSIVPROC glGetActiveUniformsivARBProcPtr
#define PFNGLGETACTIVEUNIFORMNAMEPROC glGetActiveUniformNameARBProcPtr
#define PFNGLGETUNIFORMBLOCKINDEXPROC glGetUniformBlockIndexARBProcPtr
#define PFNGLGETACTIVEUNIFORMBLOCKIVPROC glGetActiveUniformBlockivARBProcPtr
#define PFNGLGETACTIVEUNIFORMBLOCKNAMEPROC glGetActiveUniformBlockNameARBProcPtr
#define PFNGLUNIFORMBLOCKBINDINGPROC glUniformBlockBindingARBProcPtr
#define PFNGLBEGINTRANSFORMFEEDBACKEXTPROC glBeginTransformFeedbackEXTProcPtr
#define PFNGLENDTRANSFORMFEEDBACKEXTPROC glEndTransformFeedbackEXTProcPtr
#define PFNGLBINDBUFFERRANGEEXTPROC glBindBufferRangeEXTProcPtr
#define PFNGLBINDBUFFEROFFSETEXTPROC glBindBufferOffsetEXTProcPtr
#define PFNGLBINDBUFFERBASEEXTPROC glBindBufferBaseEXTProcPtr
#define PFNGLTRANSFORMFEEDBACKVARYINGSEXTPROC glTransformFeedbackVaryingsEXTProcPtr
#define PFNGLGETTRANSFORMFEEDBACKVARYINGEXTPROC glGetTransformFeedbackVaryingEXTProcPtr
#define PFNGLDRAWARRAYSINSTANCEDARBPROC glDrawArraysInstancedARBProcPtr
#define PFNGLDRAWELEMENTSINSTANCEDARBPROC glDrawElementsInstancedARBProcPtr
#define PFNGLTEXBUFFERARBPROC glTexBufferARBProcPtr
#endif // __APPLE__
#define vglFogCoordfEXT GLEXT_CALL( OGL_FOG_COORDF, PFNGLFOGCOORDFEXTPROC )
#define vglFogCoordPointerEXT GLEXT_CALL( OGL_FOG_COORD_POINTER, PFNGLFOGCOORDPOINTEREXTPROC )
#define vglMultiTexCoord2fARB GLEXT_CALL( OGL_MULTI_TEX_COORD_2F, PFNGLMULTITEXCOORD2FARBPROC )
#define vglActiveTextureARB GLEXT_CALL( OGL_ACTIVE_TEXTURE, PFNGLACTIVETEXTUREARBPROC )
#define vglClientActiveTextureARB GLEXT_CALL( OGL_CLIENT_ACTIVE_TEXTURE, PFNGLCLIENTACTIVETEXTUREARBPROC )
#define vglCompressedTexImage2D GLEXT_CALL( OGL_COMPRESSED_TEX_IMAGE_2D, PFNGLCOMPRESSEDTEXIMAGE2DPROC )
#define vglCompressedTexSubImage2D GLEXT_CALL( OGL_COMPRESSED_TEX_SUB_IMAGE_2D, PFNGLCOMPRESSEDTEXSUBIMAGE2DPROC )
#define vglGetCompressedTexImageARB GLEXT_CALL( OGL_GET_COMPRESSED_TEX_IMAGE, PFNGLGETCOMPRESSEDTEXIMAGEARBPROC )
//#define vglSecondaryColor3fvEXT GLEXT_CALL( OGL_SECONDARY_COLOR_3FV, PFNGLSECONDARYCOLOR3FVEXTPROC )
//#define vglSecondaryColor3ubvEXT GLEXT_CALL( OGL_SECONDARY_COLOR_3UBV, PFNGLSECONDARYCOLOR3UBVEXTPROC )
#define vglLockArraysEXT GLEXT_CALL( OGL_LOCK_ARRAYS, PFNGLLOCKARRAYSEXTPROC )
#define vglUnlockArraysEXT GLEXT_CALL( OGL_UNLOCK_ARRAYS, PFNGLUNLOCKARRAYSEXTPROC )
//#define vglLoadTransposeMatrixfARB GLEXT_CALL( OGL_LOAD_TRANSPOSE_MATRIX_F, PFNGLLOADTRANSPOSEMATRIXFARBPROC )
//#define vglMultTransposeMatrixfARB GLEXT_CALL( OGL_MULT_TRANSPOSE_MATRIX_F, PFNGLMULTTRANSPOSEMATRIXFARBPROC )
#define vglDrawRangeElements GLEXT_CALL( OGL_DRAW_RANGE_ELEMENTS, PFNGLDRAWRANGEELEMENTSPROC )
#define vglBindBufferARB GLEXT_CALL( OGL_BIND_BUFFER, PFNGLBINDBUFFERARBPROC )
#define vglDeleteBuffersARB GLEXT_CALL( OGL_DELETE_BUFFERS, PFNGLDELETEBUFFERSARBPROC )
#define vglGenBuffersARB GLEXT_CALL( OGL_GEN_BUFFERS, PFNGLGENBUFFERSARBPROC )
#define vglBufferDataARB GLEXT_CALL( OGL_BUFFER_DATA, PFNGLBUFFERDATAARBPROC )
#define vglBufferSubDataARB GLEXT_CALL( OGL_BUFFER_SUB_DATA, PFNGLBUFFERSUBDATAARBPROC )
#define vglMapBufferARB GLEXT_CALL2( OGL_MAP_BUFFER, PFNGLMAPBUFFERARBPROC )
#define vglUnmapBufferARB GLEXT_CALL( OGL_UNMAP_BUFFER, PFNGLUNMAPBUFFERARBPROC )
#define vglIsRenderbufferEXT GLEXT_CALL2( OGL_IS_RENDERBUFFER, PFNGLISRENDERBUFFEREXTPROC )
#define vglBindRenderbufferEXT GLEXT_CALL( OGL_BIND_RENDERBUFFER, PFNGLBINDRENDERBUFFEREXTPROC )
#define vglDeleteRenderbuffersEXT GLEXT_CALL( OGL_DELETE_RENDERBUFFERS, PFNGLDELETERENDERBUFFERSEXTPROC )
#define vglGenRenderbuffersEXT GLEXT_CALL( OGL_GEN_RENDERBUFFERS, PFNGLGENRENDERBUFFERSEXTPROC )
#define vglRenderbufferStorageEXT GLEXT_CALL( OGL_RENDERBUFFER_STORAGE, PFNGLRENDERBUFFERSTORAGEEXTPROC )
#define vglGetRenderbufferParameterivEXT GLEXT_CALL( OGL_GET_RENDERBUFFER_PARAMETER_IV, PFNGLGETRENDERBUFFERPARAMETERIVEXTPROC )
#define vglIsFramebufferEXT GLEXT_CALL2( OGL_IS_FRAMEBUFFER, PFNGLISFRAMEBUFFEREXTPROC )
#define vglBindFramebufferEXT GLEXT_CALL( OGL_BIND_FRAMEBUFFER, PFNGLBINDFRAMEBUFFEREXTPROC )
#define vglDeleteFramebuffersEXT GLEXT_CALL( OGL_DELETE_FRAMEBUFFERS, PFNGLDELETEFRAMEBUFFERSEXTPROC )
#define vglGenFramebuffersEXT GLEXT_CALL( OGL_GEN_FRAMEBUFFERS, PFNGLGENFRAMEBUFFERSEXTPROC )
#define vglCheckFramebufferStatusEXT GLEXT_CALL2( OGL_CHECK_FRAMEBUFFER_STATUS, PFNGLCHECKFRAMEBUFFERSTATUSEXTPROC )
#define vglFramebufferTexture2DEXT GLEXT_CALL( OGL_FRAMEBUFFER_TEXTURE_2D, PFNGLFRAMEBUFFERTEXTURE2DEXTPROC )
#define vglFramebufferRenderbufferEXT GLEXT_CALL( OGL_FRAMEBUFFER_RENDERBUFFER, PFNGLFRAMEBUFFERRENDERBUFFEREXTPROC )
#define vglGetFramebufferAttachmentParameterivEXT GLEXT_CALL( OGL_GET_FRAMEBUFFER_ATTACHMENT_PARAMETER_IV, PFNGLGETFRAMEBUFFERATTACHMENTPARAMETERIVEXTPROC )
#define vglGenerateMipmapEXT GLEXT_CALL( OGL_GENERATE_MIPMAP, PFNGLGENERATEMIPMAPEXTPROC )
#define vglDeleteObjectARB GLEXT_CALL( OGL_DELETE_OBJECT, PFNGLDELETEOBJECTARBPROC )
#define vglCreateShaderObjectARB GLEXT_CALL2( OGL_CREATE_SHADER_OBJECT, PFNGLCREATESHADEROBJECTARBPROC )
#define vglShaderSourceARB GLEXT_CALL( OGL_SHADER_SOURCE, PFNGLSHADERSOURCEARBPROC )
#define vglCompileShaderARB GLEXT_CALL( OGL_COMPILE_SHADER, PFNGLCOMPILESHADERARBPROC )
#define vglGetObjectParameterivARB GLEXT_CALL( OGL_GET_OBJECT_PARAMETERIV, PFNGLGETOBJECTPARAMETERIVARBPROC )
#define vglGetInfoLogARB GLEXT_CALL( OGL_GET_INFO_LOG, PFNGLGETINFOLOGARBPROC )
#define vglCreateProgramObjectARB GLEXT_CALL2( OGL_CREATE_PROGRAM_OBJECT, PFNGLCREATEPROGRAMOBJECTARBPROC )
#define vglAttachObjectARB GLEXT_CALL( OGL_ATTACH_OBJECT, PFNGLATTACHOBJECTARBPROC )
#define vglLinkProgramARB GLEXT_CALL( OGL_LINK_PROGRAM, PFNGLLINKPROGRAMARBPROC )
#define vglUseProgramObjectARB GLEXT_CALL( OGL_USE_PROGRAM_OBJECT, PFNGLUSEPROGRAMOBJECTARBPROC )
#define vglValidateProgramARB GLEXT_CALL( OGL_VALIDATE_PROGRAM, PFNGLVALIDATEPROGRAMARBPROC )
#define vglEnableVertexAttribArrayARB GLEXT_CALL( OGL_ENABLE_VERTEX_ATTRIB_ARRAY, PFNGLENABLEVERTEXATTRIBARRAYARBPROC )
#define vglDisableVertexAttribArrayARB GLEXT_CALL( OGL_DISABLE_VERTEX_ATTRIB_ARRAY, PFNGLDISABLEVERTEXATTRIBARRAYARBPROC )
#define vglGetAttribLocationARB GLEXT_CALL2( OGL_GET_ATTRIB_LOCATION, PFNGLGETATTRIBLOCATIONARBPROC )
#define vglVertexAttribPointerARB GLEXT_CALL( OGL_VERTEX_ATTRIB_POINTER, PFNGLVERTEXATTRIBPOINTERARBPROC )
#define vglGetUniformLocationARB GLEXT_CALL2( OGL_GET_UNIFORM_LOCATION, PFNGLGETUNIFORMLOCATIONARBPROC )
#define vglGetUniformivARB GLEXT_CALL( OGL_GET_UNIFORMIV, PFNGLGETUNIFORMIVARBPROC )
#define vglUniform1fARB GLEXT_CALL( OGL_UNIFORM1F, PFNGLUNIFORM1FARBPROC )
#define vglUniform2fARB GLEXT_CALL( OGL_UNIFORM2F, PFNGLUNIFORM2FARBPROC )
#define vglUniform3fARB GLEXT_CALL( OGL_UNIFORM3F, PFNGLUNIFORM3FARBPROC )
#define vglUniform4fARB GLEXT_CALL( OGL_UNIFORM4F, PFNGLUNIFORM4FARBPROC )
#define vglUniform3fvARB GLEXT_CALL( OGL_UNIFORM3FV, PFNGLUNIFORM3FVARBPROC )
#define vglUniform4fvARB GLEXT_CALL( OGL_UNIFORM4FV, PFNGLUNIFORM4FVARBPROC )
#define vglUniform1iARB GLEXT_CALL( OGL_UNIFORM1I, PFNGLUNIFORM1IARBPROC )
#define vglUniformMatrix4fvARB GLEXT_CALL( OGL_UNIFORM_MATRIX4FV, PFNGLUNIFORMMATRIX4FVARBPROC )
#define vglDrawBuffers GLEXT_CALL( OGL_DRAWBUFFERS, PFNGLDRAWBUFFERSPROC )
#define vglDrawElementsBaseVertex GLEXT_CALL( OGL_DRAW_ELEMENTS_BASE_VERTEX, PFNGLDRAWELEMENTSBASEVERTEXPROC )
#define vglDrawRangeElementsBaseVertex GLEXT_CALL( OGL_DRAW_RANGE_ELEMENTS_BASE_VERTEX, PFNGLDRAWRANGEELEMENTSBASEVERTEXPROC )
#define vglDrawElementsInstancedBaseVertex GLEXT_CALL( OGL_DRAW_ELEMENTS_INSTANCED_BASE_VERTEX, PFNGLDRAWELEMENTSINSTANCEDBASEVERTEXPROC )
#define vglMultiDrawElementsBaseVertex GLEXT_CALL( OGL_MULTI_DRAW_ELEMENTS_BASE_VERTEX, PFNGLMULTIDRAWELEMENTSBASEVERTEXPROC )
#define vglBlitFramebufferEXT GLEXT_CALL( OGL_BLITFRAMEBUFFER, PFNGLBLITFRAMEBUFFEREXTPROC )
#define vglProgramParameteriEXT GLEXT_CALL( OGL_PROGRAM_PARAMETERI, PFNGLPROGRAMPARAMETERIEXTPROC )
#define vglGetUniformIndicesARB GLEXT_CALL( OGL_GET_UNIFORM_INDICES, PFNGLGETUNIFORMINDICESPROC )
#define vglGetActiveUniformsivARB GLEXT_CALL( OGL_GET_ACTIVE_UNIFORMS_IV, PFNGLGETACTIVEUNIFORMSIVPROC )
#define vglGetActiveUniformNameARB GLEXT_CALL( OGL_GET_ACTIVE_UNIFORM_NAME, PFNGLGETACTIVEUNIFORMNAMEPROC )
#define vglGetUniformBlockIndexARB GLEXT_CALL2( OGL_GET_UNIFORM_BLOCK_INDEX, PFNGLGETUNIFORMBLOCKINDEXPROC )
#define vglGetActiveUniformBlockivARB GLEXT_CALL( OGL_GET_ACTIVE_UNIFORM_BLOCK_IV, PFNGLGETACTIVEUNIFORMBLOCKIVPROC )
#define vglGetActiveUniformBlockNameARB GLEXT_CALL( OGL_GET_ACTIVE_UNIFORM_BLOCK_NAME, PFNGLGETACTIVEUNIFORMBLOCKNAMEPROC )
#define vglUniformBlockBindingARB GLEXT_CALL( OGL_UNIFORM_BLOCK_BINDING, PFNGLUNIFORMBLOCKBINDINGPROC )
#define vglBeginTransformFeedbackEXT GLEXT_CALL( OGL_BEGIN_TRANSFORM_FEEDBACK, PFNGLBEGINTRANSFORMFEEDBACKEXTPROC )
#define vglEndTransformFeedbackEXT GLEXT_CALL( OGL_END_TRANSFORM_FEEDBACK, PFNGLENDTRANSFORMFEEDBACKEXTPROC )
#define vglBindBufferRangeEXT GLEXT_CALL( OGL_BIND_BUFFER_RANGE, PFNGLBINDBUFFERRANGEEXTPROC )
#define vglBindBufferOffsetEXT GLEXT_CALL( OGL_BIND_BUFFER_OFFSET, PFNGLBINDBUFFEROFFSETEXTPROC )
#define vglBindBufferBaseEXT GLEXT_CALL( OGL_BIND_BUFFER_BASE, PFNGLBINDBUFFERBASEEXTPROC )
#define vglTransformFeedbackVaryingsEXT GLEXT_CALL( OGL_TRANSFORM_FEEDBACK_VARYINGS, PFNGLTRANSFORMFEEDBACKVARYINGSEXTPROC )
#define vglGetTransformFeedbackVaryingEXT GLEXT_CALL( OGL_GET_TRANSFORM_FEEDBACK_VARYING, PFNGLGETTRANSFORMFEEDBACKVARYINGEXTPROC )
#define vglDrawArraysInstancedARB GLEXT_CALL( OGL_ARB_DRAW_ARRAYS_INSTANCED, PFNGLDRAWARRAYSINSTANCEDARBPROC )
#define vglDrawElementsInstancedARB GLEXT_CALL( OGL_ARB_DRAW_ELEMENTS_INSTANCED, PFNGLDRAWELEMENTSINSTANCEDARBPROC )
#define vglTexBufferARB GLEXT_CALL( OGL_ARB_TEX_BUFFER, PFNGLTEXBUFFERARBPROC )
#ifndef __APPLE__
#define vglTexImage3D GLEXT_CALL( OGL_TEXIMAGE3D, PFNGLTEXIMAGE3DPROC )
#else
#define vglTexImage3D glTexImage3D
#endif
#define vglFramebufferTextureEXT GLEXT_CALL( OGL_FRAMEBUFFER_TEXTURE, PFNGLFRAMEBUFFERTEXTUREEXTPROC )
// special extensions
#define vwglSwapIntervalEXT GLEXT_SPC_CALL( OGL_SPC_WGL_SWAP_INTERVAL, PFNWGLSWAPINTERVALEXTPROC )
#define vglXSwapIntervalSGI GLEXT_SPC_CALL( OGL_SPC_GLX_SWAP_INTERVAL, PFNGLXSWAPINTERVALSGIPROC )
#endif // _GROPENGLEXT_H
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