// NeL - MMORPG Framework
// Copyright (C) 2010 Winch Gate Property Limited
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see .
#ifndef NL_OPENGL_EXTENSION_H
#define NL_OPENGL_EXTENSION_H
#include "nel/misc/types_nl.h"
#ifdef NL_OS_WINDOWS
# define WIN32_LEAN_AND_MEAN
# define NOMINMAX
# include
#else // NL_OS_UNIX
# include
#endif // NL_OS_UNIX
#include
#include // Please download it from http://www.opengl.org/registry/
#ifndef GL_GLEXT_VERSION
# error "I need a newer . Please download it from http://www.opengl.org/registry/"
#endif // GL_nGLEXT_VERSION
#if GL_GLEXT_VERSION < 7
# error "I need a newer . Please download it from http://www.opengl.org/registry/"
#endif // GL_nGLEXT_VERSION < 7
#include "driver_opengl_extension_def.h"
namespace NL3D
{
// ***************************************************************************
/// The extensions used by NL3D.
struct CGlExtensions
{
// Is this driver a correct OpenGL 1.2 driver?
bool Version1_2;
// Required Extensions.
bool ARBMultiTexture;
uint NbTextureStages;
bool EXTTextureEnvCombine;
// Optional Extensions.
// NB: Fence extension is not here, because NVVertexArrayRange is false if GL_NV_fence is not here.
bool NVVertexArrayRange;
uint NVVertexArrayRangeMaxVertex;
bool EXTTextureCompressionS3TC;
bool EXTVertexWeighting;
bool EXTSeparateSpecularColor;
bool NVTextureEnvCombine4;
bool ARBTextureCubeMap;
bool NVVertexProgram;
bool EXTVertexShader;
bool NVTextureShader;
bool NVOcclusionQuery;
bool NVTextureRectangle;
bool EXTTextureRectangle;
bool FrameBufferObject;
bool PackedDepthStencil;
// true if NVVertexProgram and if we know that VP is emulated
bool NVVertexProgramEmulated;
bool EXTSecondaryColor;
bool EXTBlendColor;
// NVVertexArrayRange2.
bool NVVertexArrayRange2;
// equal to GL_VERTEX_ARRAY_RANGE_WITHOUT_FLUSH_NV if possible, or GL_VERTEX_ARRAY_RANGE_NV
uint NVStateVARWithoutFlush;
// WGL ARB extensions, true if supported
bool WGLARBPBuffer;
bool WGLARBPixelFormat;
bool WGLEXTSwapControl;
// ATI Extensions.
bool ATIVertexArrayObject;
bool ATIMapObjectBuffer;
bool ATITextureEnvCombine3;
bool ATIEnvMapBumpMap;
bool ATIFragmentShader;
bool ATIXTextureEnvRoute;
bool ATIVertexAttribArrayObject;
// ARB Extensions
bool ARBTextureCompression;
bool ARBFragmentProgram;
bool ARBVertexBufferObject;
bool ARBVertexProgram;
bool ARBTextureNonPowerOfTwo;
// hint : is it an ATI 9500 or above ?
bool IsATI9500OrAbove;
// hint : is it a GeForce FX or above ?
bool IsGeforceFXOrAbove;
public:
/// \name Disable Hardware feature. False by default. setuped by IDriver
// @{
bool DisableHardwareVertexProgram;
bool DisableHardwareVertexArrayAGP;
bool DisableHardwareTextureShader;
// @}
public:
CGlExtensions()
{
// Fill all false by default.
Version1_2= false;
ARBMultiTexture= false;
NbTextureStages= 1;
EXTTextureEnvCombine= false;
ARBTextureCompression= false;
NVVertexArrayRange= false;
NVVertexArrayRangeMaxVertex= 0;
EXTTextureCompressionS3TC= false;
EXTVertexWeighting= false;
EXTSeparateSpecularColor= false;
NVTextureEnvCombine4= false;
ATITextureEnvCombine3= false;
ATIXTextureEnvRoute= false;
ARBTextureCubeMap= false;
NVTextureShader= false;
NVVertexProgram= false;
NVVertexProgramEmulated= false;
EXTSecondaryColor= false;
WGLARBPBuffer= false;
WGLARBPixelFormat= false;
WGLEXTSwapControl= false;
EXTBlendColor= false;
ATIVertexArrayObject= false;
ATIEnvMapBumpMap = false;
ATIFragmentShader = false;
ATIVertexArrayObject = false;
ATIMapObjectBuffer = false;
ATIVertexAttribArrayObject = false;
EXTVertexShader= false;
ARBFragmentProgram = false;
ARBVertexBufferObject = false;
ARBVertexProgram = false;
ARBTextureNonPowerOfTwo = false;
/// \name Disable Hardware feature. False by default. setuped by IDriver
DisableHardwareVertexProgram= false;
DisableHardwareVertexArrayAGP= false;
DisableHardwareTextureShader= false;
// misc
IsATI9500OrAbove = false;
};
std::string toString()
{
std::string result = "OpenGL version ";
result += Version1_2 ? "1.2 or above(*)" : "1.1 or below";
result += IsATI9500OrAbove ? "; ATI9500 or better" : "";
result += IsGeforceFXOrAbove ? "; GeForce FX or better" : "";
result += "; Available extensions:";
result += "\n Texturing: ";
result += ARBMultiTexture ? "ARBMultiTexture " : "";
result += EXTTextureEnvCombine ? "EXTTextureEnvCombine(*) " : "";
result += ARBTextureCompression ? "ARBTextureCompression " : "";
result += EXTTextureCompressionS3TC ? "EXTTextureCompressionS3TC " : "";
result += NVTextureEnvCombine4 ? "NVTextureEnvCombine4 " : "";
result += ATITextureEnvCombine3 ? "ATITextureEnvCombine3 " : "";
result += ATIXTextureEnvRoute ? "ATITextureEnvRoute " : "";
result += ARBTextureCubeMap ? "ARBTextureCubeMap " : "";
result += ATIEnvMapBumpMap ? "ATIEnvMapBumpMap " : "";
result += NVTextureRectangle ? "NVTextureRectangle " : "";
result += EXTTextureRectangle ? "EXTTextureRectangle " : "";
result += ARBTextureNonPowerOfTwo ? "ARBTextureNonPowerOfTwo " : "";
result += "texture stages(*) = ";
result += NLMISC::toString(NbTextureStages);
result += "\n Programs: ";
result += NVTextureShader ? "NVTextureShader " : "";
result += ATIFragmentShader ? "ATIFragmentShader " : "";
result += ARBFragmentProgram ? "ARBFragmentProgram " : "";
result += ARBVertexProgram ? "ARBVertexProgram " : "";
result += NVVertexProgram ? "NVVertexProgram " : "";
result += EXTVertexShader ? "EXTVertexShader " : "";
result += NVVertexProgramEmulated ? "NVVertexProgramEmulated " : "";
result += "\n Misc: ";
result += EXTVertexWeighting ? "EXTVertexWeighting " : "";
result += EXTSeparateSpecularColor ? "EXTSeparateSpecularColor " : "";
result += EXTSecondaryColor ? "EXTSecondaryColor " : "";
result += EXTBlendColor ? "EXTBlendColor " : "";
result += NVOcclusionQuery ? "NVOcclusionQuery " : "";
result += NVStateVARWithoutFlush ? "NVStateVARWithoutFlush " : "";
#ifdef NL_OS_WINDOWS
result += "\n WindowsGL: ";
result += WGLARBPBuffer ? "WGLARBPBuffer " : "";
result += WGLARBPixelFormat ? "WGLARBPixelFormat " : "";
result += WGLEXTSwapControl ? "WGLEXTSwapControl " : "";
#endif
result += "\n Array/VBO: ";
result += NVVertexArrayRange ? ("NVVertexArrayRange (MaxVertex = " + NLMISC::toString(NVVertexArrayRangeMaxVertex) + ") ") : "";
result += NVVertexArrayRange2 ? "NVVertexArrayRange2 " : "";
result += ATIVertexArrayObject ? "ATIVertexArrayObject " : "";
result += ATIVertexAttribArrayObject ? "ATIVertexAttribArrayObject " : "";
result += ARBVertexBufferObject ? "ARBVertexBufferObject " : "";
result += ATIMapObjectBuffer ? "ATIMapObjectBuffer " : "";
result += "\n FBO: ";
result += FrameBufferObject ? "FramebufferObject " : "";
result += PackedDepthStencil ? "PackedDepthStencil " : "";
return result;
}
};
// ***************************************************************************
#ifdef NL_OS_WINDOWS
/// This function will test and register WGL functions before than the gl context is created
bool registerWGlExtensions(CGlExtensions &ext, HDC hDC);
#endif // NL_OS_WINDOWS
/// This function test and register the extensions for the current GL context.
void registerGlExtensions(CGlExtensions &ext);
}
// ***************************************************************************
// The exported function names
/* NB: We named all like nglActiveTextureARB (n for NEL :)
to avoid compilation conflict with future version of gl.h
eg: gl.h Version 1.2 define glActiveTextureARB so we can't use it.
NB: we do it for all (EXT, NV, ARB extension) even it should be useful only for ARB ones.
*/
// ARB_multitexture
//=================
extern NEL_PFNGLACTIVETEXTUREARBPROC nglActiveTextureARB;
extern NEL_PFNGLCLIENTACTIVETEXTUREARBPROC nglClientActiveTextureARB;
extern NEL_PFNGLMULTITEXCOORD1SARBPROC nglMultiTexCoord1sARB;
extern NEL_PFNGLMULTITEXCOORD1IARBPROC nglMultiTexCoord1iARB;
extern NEL_PFNGLMULTITEXCOORD1FARBPROC nglMultiTexCoord1fARB;
extern NEL_PFNGLMULTITEXCOORD1FARBPROC nglMultiTexCoord1fARB;
extern NEL_PFNGLMULTITEXCOORD1DARBPROC nglMultiTexCoord1dARB;
extern NEL_PFNGLMULTITEXCOORD2SARBPROC nglMultiTexCoord2sARB;
extern NEL_PFNGLMULTITEXCOORD2IARBPROC nglMultiTexCoord2iARB;
extern NEL_PFNGLMULTITEXCOORD2FARBPROC nglMultiTexCoord2fARB;
extern NEL_PFNGLMULTITEXCOORD2DARBPROC nglMultiTexCoord2dARB;
extern NEL_PFNGLMULTITEXCOORD3SARBPROC nglMultiTexCoord3sARB;
extern NEL_PFNGLMULTITEXCOORD3IARBPROC nglMultiTexCoord3iARB;
extern NEL_PFNGLMULTITEXCOORD3FARBPROC nglMultiTexCoord3fARB;
extern NEL_PFNGLMULTITEXCOORD3DARBPROC nglMultiTexCoord3dARB;
extern NEL_PFNGLMULTITEXCOORD4SARBPROC nglMultiTexCoord4sARB;
extern NEL_PFNGLMULTITEXCOORD4IARBPROC nglMultiTexCoord4iARB;
extern NEL_PFNGLMULTITEXCOORD4FARBPROC nglMultiTexCoord4fARB;
extern NEL_PFNGLMULTITEXCOORD4DARBPROC nglMultiTexCoord4dARB;
extern NEL_PFNGLMULTITEXCOORD1SVARBPROC nglMultiTexCoord1svARB;
extern NEL_PFNGLMULTITEXCOORD1IVARBPROC nglMultiTexCoord1ivARB;
extern NEL_PFNGLMULTITEXCOORD1FVARBPROC nglMultiTexCoord1fvARB;
extern NEL_PFNGLMULTITEXCOORD1DVARBPROC nglMultiTexCoord1dvARB;
extern NEL_PFNGLMULTITEXCOORD2SVARBPROC nglMultiTexCoord2svARB;
extern NEL_PFNGLMULTITEXCOORD2IVARBPROC nglMultiTexCoord2ivARB;
extern NEL_PFNGLMULTITEXCOORD2FVARBPROC nglMultiTexCoord2fvARB;
extern NEL_PFNGLMULTITEXCOORD2DVARBPROC nglMultiTexCoord2dvARB;
extern NEL_PFNGLMULTITEXCOORD3SVARBPROC nglMultiTexCoord3svARB;
extern NEL_PFNGLMULTITEXCOORD3IVARBPROC nglMultiTexCoord3ivARB;
extern NEL_PFNGLMULTITEXCOORD3FVARBPROC nglMultiTexCoord3fvARB;
extern NEL_PFNGLMULTITEXCOORD3DVARBPROC nglMultiTexCoord3dvARB;
extern NEL_PFNGLMULTITEXCOORD4SVARBPROC nglMultiTexCoord4svARB;
extern NEL_PFNGLMULTITEXCOORD4IVARBPROC nglMultiTexCoord4ivARB;
extern NEL_PFNGLMULTITEXCOORD4FVARBPROC nglMultiTexCoord4fvARB;
extern NEL_PFNGLMULTITEXCOORD4DVARBPROC nglMultiTexCoord4dvARB;
// ARB_TextureCompression.
//========================
extern NEL_PFNGLCOMPRESSEDTEXIMAGE3DARBPROC nglCompressedTexImage3DARB;
extern NEL_PFNGLCOMPRESSEDTEXIMAGE2DARBPROC nglCompressedTexImage2DARB;
extern NEL_PFNGLCOMPRESSEDTEXIMAGE1DARBPROC nglCompressedTexImage1DARB;
extern NEL_PFNGLCOMPRESSEDTEXSUBIMAGE3DARBPROC nglCompressedTexSubImage3DARB;
extern NEL_PFNGLCOMPRESSEDTEXSUBIMAGE2DARBPROC nglCompressedTexSubImage2DARB;
extern NEL_PFNGLCOMPRESSEDTEXSUBIMAGE1DARBPROC nglCompressedTexSubImage1DARB;
extern NEL_PFNGLGETCOMPRESSEDTEXIMAGEARBPROC nglGetCompressedTexImageARB;
// VertexArrayRangeNV.
//====================
extern NEL_PFNGLFLUSHVERTEXARRAYRANGENVPROC nglFlushVertexArrayRangeNV;
extern NEL_PFNGLVERTEXARRAYRANGENVPROC nglVertexArrayRangeNV;
#ifdef NL_OS_WINDOWS
extern PFNWGLALLOCATEMEMORYNVPROC nwglAllocateMemoryNV;
extern PFNWGLFREEMEMORYNVPROC nwglFreeMemoryNV;
#endif
// FenceNV.
//====================
extern NEL_PFNGLDELETEFENCESNVPROC nglDeleteFencesNV;
extern NEL_PFNGLGENFENCESNVPROC nglGenFencesNV;
extern NEL_PFNGLISFENCENVPROC nglIsFenceNV;
extern NEL_PFNGLTESTFENCENVPROC nglTestFenceNV;
extern NEL_PFNGLGETFENCEIVNVPROC nglGetFenceivNV;
extern NEL_PFNGLFINISHFENCENVPROC nglFinishFenceNV;
extern NEL_PFNGLSETFENCENVPROC nglSetFenceNV;
// VertexWeighting.
//==================
extern NEL_PFNGLVERTEXWEIGHTFEXTPROC nglVertexWeightfEXT;
extern NEL_PFNGLVERTEXWEIGHTFVEXTPROC nglVertexWeightfvEXT;
extern NEL_PFNGLVERTEXWEIGHTPOINTEREXTPROC nglVertexWeightPointerEXT;
// VertexProgramExtension.
//========================
extern NEL_PFNGLAREPROGRAMSRESIDENTNVPROC nglAreProgramsResidentNV;
extern NEL_PFNGLBINDPROGRAMNVPROC nglBindProgramNV;
extern NEL_PFNGLDELETEPROGRAMSNVPROC nglDeleteProgramsNV;
extern NEL_PFNGLEXECUTEPROGRAMNVPROC nglExecuteProgramNV;
extern NEL_PFNGLGENPROGRAMSNVPROC nglGenProgramsNV;
extern NEL_PFNGLGETPROGRAMPARAMETERDVNVPROC nglGetProgramParameterdvNV;
extern NEL_PFNGLGETPROGRAMPARAMETERFVNVPROC nglGetProgramParameterfvNV;
extern NEL_PFNGLGETPROGRAMIVNVPROC nglGetProgramivNV;
extern NEL_PFNGLGETPROGRAMSTRINGNVPROC nglGetProgramStringNV;
extern NEL_PFNGLGETTRACKMATRIXIVNVPROC nglGetTrackMatrixivNV;
extern NEL_PFNGLGETVERTEXATTRIBDVNVPROC nglGetVertexAttribdvNV;
extern NEL_PFNGLGETVERTEXATTRIBFVNVPROC nglGetVertexAttribfvNV;
extern NEL_PFNGLGETVERTEXATTRIBIVNVPROC nglGetVertexAttribivNV;
extern NEL_PFNGLGETVERTEXATTRIBPOINTERVNVPROC nglGetVertexAttribPointervNV;
extern NEL_PFNGLISPROGRAMNVPROC nglIsProgramNV;
extern NEL_PFNGLLOADPROGRAMNVPROC nglLoadProgramNV;
extern NEL_PFNGLPROGRAMPARAMETER4DNVPROC nglProgramParameter4dNV;
extern NEL_PFNGLPROGRAMPARAMETER4DVNVPROC nglProgramParameter4dvNV;
extern NEL_PFNGLPROGRAMPARAMETER4FNVPROC nglProgramParameter4fNV;
extern NEL_PFNGLPROGRAMPARAMETER4FVNVPROC nglProgramParameter4fvNV;
extern NEL_PFNGLPROGRAMPARAMETERS4DVNVPROC nglProgramParameters4dvNV;
extern NEL_PFNGLPROGRAMPARAMETERS4FVNVPROC nglProgramParameters4fvNV;
extern NEL_PFNGLREQUESTRESIDENTPROGRAMSNVPROC nglRequestResidentProgramsNV;
extern NEL_PFNGLTRACKMATRIXNVPROC nglTrackMatrixNV;
extern NEL_PFNGLVERTEXATTRIBPOINTERNVPROC nglVertexAttribPointerNV;
extern NEL_PFNGLVERTEXATTRIB1DNVPROC nglVertexAttrib1dNV;
extern NEL_PFNGLVERTEXATTRIB1DVNVPROC nglVertexAttrib1dvNV;
extern NEL_PFNGLVERTEXATTRIB1FNVPROC nglVertexAttrib1fNV;
extern NEL_PFNGLVERTEXATTRIB1FVNVPROC nglVertexAttrib1fvNV;
extern NEL_PFNGLVERTEXATTRIB1SNVPROC nglVertexAttrib1sNV;
extern NEL_PFNGLVERTEXATTRIB1SVNVPROC nglVertexAttrib1svNV;
extern NEL_PFNGLVERTEXATTRIB2DNVPROC nglVertexAttrib2dNV;
extern NEL_PFNGLVERTEXATTRIB2DVNVPROC nglVertexAttrib2dvNV;
extern NEL_PFNGLVERTEXATTRIB2FNVPROC nglVertexAttrib2fNV;
extern NEL_PFNGLVERTEXATTRIB2FVNVPROC nglVertexAttrib2fvNV;
extern NEL_PFNGLVERTEXATTRIB2SNVPROC nglVertexAttrib2sNV;
extern NEL_PFNGLVERTEXATTRIB2SVNVPROC nglVertexAttrib2svNV;
extern NEL_PFNGLVERTEXATTRIB3DNVPROC nglVertexAttrib3dNV;
extern NEL_PFNGLVERTEXATTRIB3DVNVPROC nglVertexAttrib3dvNV;
extern NEL_PFNGLVERTEXATTRIB3FNVPROC nglVertexAttrib3fNV;
extern NEL_PFNGLVERTEXATTRIB3FVNVPROC nglVertexAttrib3fvNV;
extern NEL_PFNGLVERTEXATTRIB3SNVPROC nglVertexAttrib3sNV;
extern NEL_PFNGLVERTEXATTRIB3SVNVPROC nglVertexAttrib3svNV;
extern NEL_PFNGLVERTEXATTRIB4DNVPROC nglVertexAttrib4dNV;
extern NEL_PFNGLVERTEXATTRIB4DVNVPROC nglVertexAttrib4dvNV;
extern NEL_PFNGLVERTEXATTRIB4FNVPROC nglVertexAttrib4fNV;
extern NEL_PFNGLVERTEXATTRIB4FVNVPROC nglVertexAttrib4fvNV;
extern NEL_PFNGLVERTEXATTRIB4SNVPROC nglVertexAttrib4sNV;
extern NEL_PFNGLVERTEXATTRIB4SVNVPROC nglVertexAttrib4svNV;
extern NEL_PFNGLVERTEXATTRIB4UBVNVPROC nglVertexAttrib4ubvNV;
extern NEL_PFNGLVERTEXATTRIBS1DVNVPROC nglVertexAttribs1dvNV;
extern NEL_PFNGLVERTEXATTRIBS1FVNVPROC nglVertexAttribs1fvNV;
extern NEL_PFNGLVERTEXATTRIBS1SVNVPROC nglVertexAttribs1svNV;
extern NEL_PFNGLVERTEXATTRIBS2DVNVPROC nglVertexAttribs2dvNV;
extern NEL_PFNGLVERTEXATTRIBS2FVNVPROC nglVertexAttribs2fvNV;
extern NEL_PFNGLVERTEXATTRIBS2SVNVPROC nglVertexAttribs2svNV;
extern NEL_PFNGLVERTEXATTRIBS3DVNVPROC nglVertexAttribs3dvNV;
extern NEL_PFNGLVERTEXATTRIBS3FVNVPROC nglVertexAttribs3fvNV;
extern NEL_PFNGLVERTEXATTRIBS3SVNVPROC nglVertexAttribs3svNV;
extern NEL_PFNGLVERTEXATTRIBS4DVNVPROC nglVertexAttribs4dvNV;
extern NEL_PFNGLVERTEXATTRIBS4FVNVPROC nglVertexAttribs4fvNV;
extern NEL_PFNGLVERTEXATTRIBS4SVNVPROC nglVertexAttribs4svNV;
extern NEL_PFNGLVERTEXATTRIBS4UBVNVPROC nglVertexAttribs4ubvNV;
// VertexShaderExtension.
//========================
extern NEL_PFNGLBEGINVERTEXSHADEREXTPROC nglBeginVertexShaderEXT;
extern NEL_PFNGLENDVERTEXSHADEREXTPROC nglEndVertexShaderEXT;
extern NEL_PFNGLBINDVERTEXSHADEREXTPROC nglBindVertexShaderEXT;
extern NEL_PFNGLGENVERTEXSHADERSEXTPROC nglGenVertexShadersEXT;
extern NEL_PFNGLDELETEVERTEXSHADEREXTPROC nglDeleteVertexShaderEXT;
extern NEL_PFNGLSHADEROP1EXTPROC nglShaderOp1EXT;
extern NEL_PFNGLSHADEROP2EXTPROC nglShaderOp2EXT;
extern NEL_PFNGLSHADEROP3EXTPROC nglShaderOp3EXT;
extern NEL_PFNGLSWIZZLEEXTPROC nglSwizzleEXT;
extern NEL_PFNGLWRITEMASKEXTPROC nglWriteMaskEXT;
extern NEL_PFNGLINSERTCOMPONENTEXTPROC nglInsertComponentEXT;
extern NEL_PFNGLEXTRACTCOMPONENTEXTPROC nglExtractComponentEXT;
extern NEL_PFNGLGENSYMBOLSEXTPROC nglGenSymbolsEXT;
extern NEL_PFNGLSETINVARIANTEXTPROC nglSetInvariantEXT;
extern NEL_PFNGLSETLOCALCONSTANTEXTPROC nglSetLocalConstantEXT;
extern NEL_PFNGLVARIANTPOINTEREXTPROC nglVariantPointerEXT;
extern NEL_PFNGLENABLEVARIANTCLIENTSTATEEXTPROC nglEnableVariantClientStateEXT;
extern NEL_PFNGLDISABLEVARIANTCLIENTSTATEEXTPROC nglDisableVariantClientStateEXT;
extern NEL_PFNGLBINDLIGHTPARAMETEREXTPROC nglBindLightParameterEXT;
extern NEL_PFNGLBINDMATERIALPARAMETEREXTPROC nglBindMaterialParameterEXT;
extern NEL_PFNGLBINDTEXGENPARAMETEREXTPROC nglBindTexGenParameterEXT;
extern NEL_PFNGLBINDTEXTUREUNITPARAMETEREXTPROC nglBindTextureUnitParameterEXT;
extern NEL_PFNGLBINDPARAMETEREXTPROC nglBindParameterEXT;
extern NEL_PFNGLISVARIANTENABLEDEXTPROC nglIsVariantEnabledEXT;
extern NEL_PFNGLGETVARIANTBOOLEANVEXTPROC nglGetVariantBooleanvEXT;
extern NEL_PFNGLGETVARIANTINTEGERVEXTPROC nglGetVariantIntegervEXT;
extern NEL_PFNGLGETVARIANTFLOATVEXTPROC nglGetVariantFloatvEXT;
extern NEL_PFNGLGETVARIANTPOINTERVEXTPROC nglGetVariantPointervEXT;
extern NEL_PFNGLGETINVARIANTBOOLEANVEXTPROC nglGetInvariantBooleanvEXT;
extern NEL_PFNGLGETINVARIANTINTEGERVEXTPROC nglGetInvariantIntegervEXT;
extern NEL_PFNGLGETINVARIANTFLOATVEXTPROC nglGetInvariantFloatvEXT;
extern NEL_PFNGLGETLOCALCONSTANTBOOLEANVEXTPROC nglGetLocalConstantBooleanvEXT;
extern NEL_PFNGLGETLOCALCONSTANTINTEGERVEXTPROC nglGetLocalConstantIntegervEXT;
extern NEL_PFNGLGETLOCALCONSTANTFLOATVEXTPROC nglGetLocalConstantFloatvEXT;
// ATI_envmap_bumpmap extension
extern PFNGLTEXBUMPPARAMETERIVATIPROC nglTexBumpParameterivATI;
extern PFNGLTEXBUMPPARAMETERFVATIPROC nglTexBumpParameterfvATI;
extern PFNGLGETTEXBUMPPARAMETERIVATIPROC nglGetTexBumpParameterivATI;
extern PFNGLGETTEXBUMPPARAMETERFVATIPROC nglGetTexBumpParameterfvATI;
// SecondaryColor extension
//========================
extern NEL_PFNGLSECONDARYCOLOR3BEXTPROC nglSecondaryColor3bEXT;
extern NEL_PFNGLSECONDARYCOLOR3BVEXTPROC nglSecondaryColor3bvEXT;
extern NEL_PFNGLSECONDARYCOLOR3DEXTPROC nglSecondaryColor3dEXT;
extern NEL_PFNGLSECONDARYCOLOR3DVEXTPROC nglSecondaryColor3dvEXT;
extern NEL_PFNGLSECONDARYCOLOR3FEXTPROC nglSecondaryColor3fEXT;
extern NEL_PFNGLSECONDARYCOLOR3FVEXTPROC nglSecondaryColor3fvEXT;
extern NEL_PFNGLSECONDARYCOLOR3IEXTPROC nglSecondaryColor3iEXT;
extern NEL_PFNGLSECONDARYCOLOR3IVEXTPROC nglSecondaryColor3ivEXT;
extern NEL_PFNGLSECONDARYCOLOR3SEXTPROC nglSecondaryColor3sEXT;
extern NEL_PFNGLSECONDARYCOLOR3SVEXTPROC nglSecondaryColor3svEXT;
extern NEL_PFNGLSECONDARYCOLOR3UBEXTPROC nglSecondaryColor3ubEXT;
extern NEL_PFNGLSECONDARYCOLOR3UBVEXTPROC nglSecondaryColor3ubvEXT;
extern NEL_PFNGLSECONDARYCOLOR3UIEXTPROC nglSecondaryColor3uiEXT;
extern NEL_PFNGLSECONDARYCOLOR3UIVEXTPROC nglSecondaryColor3uivEXT;
extern NEL_PFNGLSECONDARYCOLOR3USEXTPROC nglSecondaryColor3usEXT;
extern NEL_PFNGLSECONDARYCOLOR3USVEXTPROC nglSecondaryColor3usvEXT;
extern NEL_PFNGLSECONDARYCOLORPOINTEREXTPROC nglSecondaryColorPointerEXT;
// BlendColor extension
//========================
extern NEL_PFNGLBLENDCOLOREXTPROC nglBlendColorEXT;
// GL_ATI_vertex_array_object extension
//========================
extern NEL_PFNGLNEWOBJECTBUFFERATIPROC nglNewObjectBufferATI;
extern NEL_PFNGLISOBJECTBUFFERATIPROC nglIsObjectBufferATI;
extern NEL_PFNGLUPDATEOBJECTBUFFERATIPROC nglUpdateObjectBufferATI;
extern NEL_PFNGLGETOBJECTBUFFERFVATIPROC nglGetObjectBufferfvATI;
extern NEL_PFNGLGETOBJECTBUFFERIVATIPROC nglGetObjectBufferivATI;
extern NEL_PFNGLDELETEOBJECTBUFFERATIPROC nglDeleteObjectBufferATI;
extern NEL_PFNGLARRAYOBJECTATIPROC nglArrayObjectATI;
extern NEL_PFNGLGETARRAYOBJECTFVATIPROC nglGetArrayObjectfvATI;
extern NEL_PFNGLGETARRAYOBJECTIVATIPROC nglGetArrayObjectivATI;
extern NEL_PFNGLVARIANTARRAYOBJECTATIPROC nglVariantArrayObjectATI;
extern NEL_PFNGLGETVARIANTARRAYOBJECTFVATIPROC nglGetVariantArrayObjectfvATI;
extern NEL_PFNGLGETVARIANTARRAYOBJECTIVATIPROC nglGetVariantArrayObjectivATI;
// GL_ATI_map_object_buffer
//===================================
extern NEL_PFNGLMAPOBJECTBUFFERATIPROC nglMapObjectBufferATI;
extern NEL_PFNGLUNMAPOBJECTBUFFERATIPROC nglUnmapObjectBufferATI;
// GL_ATI_fragment_shader extension
//===================================
extern NEL_PFNGLGENFRAGMENTSHADERSATIPROC nglGenFragmentShadersATI;
extern NEL_PFNGLBINDFRAGMENTSHADERATIPROC nglBindFragmentShaderATI;
extern NEL_PFNGLDELETEFRAGMENTSHADERATIPROC nglDeleteFragmentShaderATI;
extern NEL_PFNGLBEGINFRAGMENTSHADERATIPROC nglBeginFragmentShaderATI;
extern NEL_PFNGLENDFRAGMENTSHADERATIPROC nglEndFragmentShaderATI;
extern NEL_PFNGLPASSTEXCOORDATIPROC nglPassTexCoordATI;
extern NEL_PFNGLSAMPLEMAPATIPROC nglSampleMapATI;
extern NEL_PFNGLCOLORFRAGMENTOP1ATIPROC nglColorFragmentOp1ATI;
extern NEL_PFNGLCOLORFRAGMENTOP2ATIPROC nglColorFragmentOp2ATI;
extern NEL_PFNGLCOLORFRAGMENTOP3ATIPROC nglColorFragmentOp3ATI;
extern NEL_PFNGLALPHAFRAGMENTOP1ATIPROC nglAlphaFragmentOp1ATI;
extern NEL_PFNGLALPHAFRAGMENTOP2ATIPROC nglAlphaFragmentOp2ATI;
extern NEL_PFNGLALPHAFRAGMENTOP3ATIPROC nglAlphaFragmentOp3ATI;
extern NEL_PFNGLSETFRAGMENTSHADERCONSTANTATIPROC nglSetFragmentShaderConstantATI;
// GL_ATI_vertex_attrib_array_object
//==================================
extern NEL_PFNGLVERTEXATTRIBARRAYOBJECTATIPROC nglVertexAttribArrayObjectATI;
extern NEL_PFNGLGETVERTEXATTRIBARRAYOBJECTFVATIPROC nglGetVertexAttribArrayObjectfvATI;
extern NEL_PFNGLGETVERTEXATTRIBARRAYOBJECTIVATIPROC nglGetVertexAttribArrayObjectivATI;
// GL_ARB_fragment_shader_extension
//==================================
extern NEL_PFNGLPROGRAMSTRINGARBPROC nglProgramStringARB;
extern NEL_PFNGLBINDPROGRAMARBPROC nglBindProgramARB;
extern NEL_PFNGLDELETEPROGRAMSARBPROC nglDeleteProgramsARB;
extern NEL_PFNGLGENPROGRAMSARBPROC nglGenProgramsARB;
extern NEL_PFNGLPROGRAMENVPARAMETER4DARBPROC nglProgramEnvParameter4dARB;
extern NEL_PFNGLPROGRAMENVPARAMETER4DVARBPROC nglProgramEnvParameter4dvARB;
extern NEL_PFNGLPROGRAMENVPARAMETER4FARBPROC nglProgramEnvParameter4fARB;
extern NEL_PFNGLPROGRAMENVPARAMETER4FVARBPROC nglProgramEnvParameter4fvARB;
extern NEL_PFNGLPROGRAMLOCALPARAMETER4DARBPROC nglGetProgramLocalParameter4dARB;
extern NEL_PFNGLPROGRAMLOCALPARAMETER4DVARBPROC nglGetProgramLocalParameter4dvARB;
extern NEL_PFNGLPROGRAMLOCALPARAMETER4FARBPROC nglGetProgramLocalParameter4fARB;
extern NEL_PFNGLPROGRAMLOCALPARAMETER4FVARBPROC nglGetProgramLocalParameter4fvARB;
extern NEL_PFNGLGETPROGRAMENVPARAMETERDVARBPROC nglGetProgramEnvParameterdvARB;
extern NEL_PFNGLGETPROGRAMENVPARAMETERFVARBPROC nglGetProgramEnvParameterfvARB;
extern NEL_PFNGLGETPROGRAMLOCALPARAMETERDVARBPROC nglGetProgramLocalParameterdvARB;
extern NEL_PFNGLGETPROGRAMLOCALPARAMETERFVARBPROC nglGetProgramLocalParameterfvARB;
extern NEL_PFNGLGETPROGRAMIVARBPROC nglGetProgramivARB;
extern NEL_PFNGLGETPROGRAMSTRINGARBPROC nglGetProgramStringARB;
extern NEL_PFNGLISPROGRAMARBPROC nglIsProgramARB;
// GL_ARB_vertex_buffer_object
//==================================
extern PFNGLBINDBUFFERARBPROC nglBindBufferARB;
extern PFNGLDELETEBUFFERSARBPROC nglDeleteBuffersARB;
extern PFNGLGENBUFFERSARBPROC nglGenBuffersARB;
extern PFNGLISBUFFERARBPROC nglIsBufferARB;
extern PFNGLBUFFERDATAARBPROC nglBufferDataARB;
extern PFNGLBUFFERSUBDATAARBPROC nglBufferSubDataARB;
extern PFNGLGETBUFFERSUBDATAARBPROC nglGetBufferSubDataARB;
extern PFNGLMAPBUFFERARBPROC nglMapBufferARB;
extern PFNGLUNMAPBUFFERARBPROC nglUnmapBufferARB;
extern PFNGLGETBUFFERPARAMETERIVARBPROC nglGetBufferParameterivARB;
extern PFNGLGETBUFFERPOINTERVARBPROC nglGetBufferPointervARB;
// GL_ARB_vertex_program
//==================================
extern PFNGLVERTEXATTRIB1SARBPROC nglVertexAttrib1sARB;
extern PFNGLVERTEXATTRIB1FARBPROC nglVertexAttrib1fARB;
extern PFNGLVERTEXATTRIB1DARBPROC nglVertexAttrib1dARB;
extern PFNGLVERTEXATTRIB2SARBPROC nglVertexAttrib2sARB;
extern PFNGLVERTEXATTRIB2FARBPROC nglVertexAttrib2fARB;
extern PFNGLVERTEXATTRIB2DARBPROC nglVertexAttrib2dARB;
extern PFNGLVERTEXATTRIB3SARBPROC nglVertexAttrib3sARB;
extern PFNGLVERTEXATTRIB3FARBPROC nglVertexAttrib3fARB;
extern PFNGLVERTEXATTRIB3DARBPROC nglVertexAttrib3dARB;
extern PFNGLVERTEXATTRIB4SARBPROC nglVertexAttrib4sARB;
extern PFNGLVERTEXATTRIB4FARBPROC nglVertexAttrib4fARB;
extern PFNGLVERTEXATTRIB4DARBPROC nglVertexAttrib4dARB;
extern PFNGLVERTEXATTRIB4NUBARBPROC nglVertexAttrib4NubARB;
extern PFNGLVERTEXATTRIB1SVARBPROC nglVertexAttrib1svARB;
extern PFNGLVERTEXATTRIB1FVARBPROC nglVertexAttrib1fvARB;
extern PFNGLVERTEXATTRIB1DVARBPROC nglVertexAttrib1dvARB;
extern PFNGLVERTEXATTRIB2SVARBPROC nglVertexAttrib2svARB;
extern PFNGLVERTEXATTRIB2FVARBPROC nglVertexAttrib2fvARB;
extern PFNGLVERTEXATTRIB2DVARBPROC nglVertexAttrib2dvARB;
extern PFNGLVERTEXATTRIB3SVARBPROC nglVertexAttrib3svARB;
extern PFNGLVERTEXATTRIB3FVARBPROC nglVertexAttrib3fvARB;
extern PFNGLVERTEXATTRIB3DVARBPROC nglVertexAttrib3dvARB;
extern PFNGLVERTEXATTRIB4BVARBPROC nglVertexAttrib4bvARB;
extern PFNGLVERTEXATTRIB4SVARBPROC nglVertexAttrib4svARB;
extern PFNGLVERTEXATTRIB4IVARBPROC nglVertexAttrib4ivARB;
extern PFNGLVERTEXATTRIB4UBVARBPROC nglVertexAttrib4ubvARB;
extern PFNGLVERTEXATTRIB4USVARBPROC nglVertexAttrib4usvARB;
extern PFNGLVERTEXATTRIB4UIVARBPROC nglVertexAttrib4uivARB;
extern PFNGLVERTEXATTRIB4FVARBPROC nglVertexAttrib4fvARB;
extern PFNGLVERTEXATTRIB4DVARBPROC nglVertexAttrib4dvARB;
extern PFNGLVERTEXATTRIB4NBVARBPROC nglVertexAttrib4NbvARB;
extern PFNGLVERTEXATTRIB4NSVARBPROC nglVertexAttrib4NsvARB;
extern PFNGLVERTEXATTRIB4NIVARBPROC nglVertexAttrib4NivARB;
extern PFNGLVERTEXATTRIB4NUBVARBPROC nglVertexAttrib4NubvARB;
extern PFNGLVERTEXATTRIB4NUSVARBPROC nglVertexAttrib4NusvARB;
extern PFNGLVERTEXATTRIB4NUIVARBPROC nglVertexAttrib4NuivARB;
extern PFNGLVERTEXATTRIBPOINTERARBPROC nglVertexAttribPointerARB;
extern PFNGLENABLEVERTEXATTRIBARRAYARBPROC nglEnableVertexAttribArrayARB;
extern PFNGLDISABLEVERTEXATTRIBARRAYARBPROC nglDisableVertexAttribArrayARB;
extern PFNGLPROGRAMSTRINGARBPROC nglProgramStringARB;
extern PFNGLBINDPROGRAMARBPROC nglBindProgramARB;
extern PFNGLDELETEPROGRAMSARBPROC nglDeleteProgramsARB;
extern PFNGLGENPROGRAMSARBPROC nglGenProgramsARB;
extern PFNGLPROGRAMENVPARAMETER4FARBPROC nglProgramEnvParameter4fARB;
extern PFNGLPROGRAMENVPARAMETER4DARBPROC nglProgramEnvParameter4dARB;
extern PFNGLPROGRAMENVPARAMETER4FVARBPROC nglProgramEnvParameter4fvARB;
extern PFNGLPROGRAMENVPARAMETER4DVARBPROC nglProgramEnvParameter4dvARB;
extern PFNGLPROGRAMLOCALPARAMETER4FARBPROC nglProgramLocalParameter4fARB;
extern PFNGLPROGRAMLOCALPARAMETER4DARBPROC nglProgramLocalParameter4dARB;
extern PFNGLPROGRAMLOCALPARAMETER4FVARBPROC nglProgramLocalParameter4fvARB;
extern PFNGLPROGRAMLOCALPARAMETER4DVARBPROC nglProgramLocalParameter4dvARB;
extern PFNGLGETPROGRAMENVPARAMETERFVARBPROC nglGetProgramEnvParameterfvARB;
extern PFNGLGETPROGRAMENVPARAMETERDVARBPROC nglGetProgramEnvParameterdvARB;
extern PFNGLGETPROGRAMLOCALPARAMETERFVARBPROC nglGetProgramLocalParameterfvARB;
extern PFNGLGETPROGRAMLOCALPARAMETERDVARBPROC nglGetProgramLocalParameterdvARB;
extern PFNGLGETPROGRAMIVARBPROC nglGetProgramivARB;
extern PFNGLGETPROGRAMSTRINGARBPROC nglGetProgramStringARB;
extern PFNGLGETVERTEXATTRIBDVARBPROC nglGetVertexAttribdvARB;
extern PFNGLGETVERTEXATTRIBFVARBPROC nglGetVertexAttribfvARB;
extern PFNGLGETVERTEXATTRIBIVARBPROC nglGetVertexAttribivARB;
extern PFNGLGETVERTEXATTRIBPOINTERVARBPROC nglGetVertexAttribPointervARB;
extern PFNGLISPROGRAMARBPROC nglIsProgramARB;
// GL_NV_occlusion_query
//==================================
extern NEL_PFNGLGENOCCLUSIONQUERIESNVPROC nglGenOcclusionQueriesNV;
extern NEL_PFNGLDELETEOCCLUSIONQUERIESNVPROC nglDeleteOcclusionQueriesNV;
extern NEL_PFNGLISOCCLUSIONQUERYNVPROC nglIsOcclusionQueryNV;
extern NEL_PFNGLBEGINOCCLUSIONQUERYNVPROC nglBeginOcclusionQueryNV;
extern NEL_PFNGLENDOCCLUSIONQUERYNVPROC nglEndOcclusionQueryNV;
extern NEL_PFNGLGETOCCLUSIONQUERYIVNVPROC nglGetOcclusionQueryivNV;
extern NEL_PFNGLGETOCCLUSIONQUERYUIVNVPROC nglGetOcclusionQueryuivNV;
#ifdef NL_OS_WINDOWS
// Pbuffer extension
//==================
extern PFNWGLCREATEPBUFFERARBPROC nwglCreatePbufferARB;
extern PFNWGLGETPUFFERDCARBPROC nwglGetPbufferDCARB;
extern PFNWGLRELEASEPUFFERDCARBPROC nwglReleasePbufferDCARB;
extern PFNWGLDESTROYPUFFERARBPROC nwglDestroyPbufferARB;
extern PFNWGLQUERYPBUFFERARBPROC nwglQueryPbufferARB;
// Get Pixel format extension
//===========================
extern PFNWGLGETPIXELFORMATATTRIBIVARBPROC nwglGetPixelFormatAttribivARB;
extern PFNWGLGETPIXELFORMATATTRIBFVARBPROC nwglGetPixelFormatAttribfvARB;
extern PFNWGLCHOOSEPIXELFORMATARBPROC nwglChoosePixelFormatARB;
// Swap control extension
//===========================
extern PFNWGLSWAPINTERVALEXTPROC nwglSwapIntervalEXT;
extern PFNWGLGETSWAPINTERVALEXTPROC nwglGetSwapIntervalEXT;
// WGL_ARB_extensions_string
extern PFNWGFGETEXTENSIONSSTRINGARB nwglGetExtensionsStringARB;
#endif
// GL_EXT_framebuffer_object
extern NEL_PFNGLISRENDERBUFFEREXTPROC nglIsRenderbufferEXT;
extern NEL_PFNGLISFRAMEBUFFEREXTPROC nglIsFramebufferEXT;
extern NEL_PFNGLCHECKFRAMEBUFFERSTATUSEXTPROC nglCheckFramebufferStatusEXT;
extern NEL_PFNGLGENFRAMEBUFFERSEXTPROC nglGenFramebuffersEXT;
extern NEL_PFNGLBINDFRAMEBUFFEREXTPROC nglBindFramebufferEXT;
extern NEL_PFNGLFRAMEBUFFERTEXTURE2DEXTPROC nglFramebufferTexture2DEXT;
extern NEL_PFNGLGENRENDERBUFFERSEXTPROC nglGenRenderbuffersEXT;
extern NEL_PFNGLBINDRENDERBUFFEREXTPROC nglBindRenderbufferEXT;
extern NEL_PFNGLRENDERBUFFERSTORAGEEXTPROC nglRenderbufferStorageEXT;
extern NEL_PFNGLFRAMEBUFFERRENDERBUFFEREXTPROC nglFramebufferRenderbufferEXT;
extern NEL_PFNGLDELETERENDERBUFFERSEXTPROC nglDeleteRenderbuffersEXT;
extern NEL_PFNGLDELETEFRAMEBUFFERSEXTPROC nglDeleteFramebuffersEXT;
#endif // NL_OPENGL_EXTENSION_H