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gl_core_3_1.cpp
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2765 lines (2404 loc) · 124 KB
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/*M///////////////////////////////////////////////////////////////////////////////////////
//
// IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
//
// By downloading, copying, installing or using the software you agree to this license.
// If you do not agree to this license, do not download, install,
// copy or use the software.
//
//
// License Agreement
// For Open Source Computer Vision Library
//
// Copyright (C) 2000-2008, Intel Corporation, all rights reserved.
// Copyright (C) 2009, Willow Garage Inc., all rights reserved.
// Third party copyrights are property of their respective owners.
//
// Redistribution and use in source and binary forms, with or without modification,
// are permitted provided that the following conditions are met:
//
// * Redistribution's of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
//
// * Redistribution's in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
//
// * The name of the copyright holders may not be used to endorse or promote products
// derived from this software without specific prior written permission.
//
// This software is provided by the copyright holders and contributors "as is" and
// any express or implied warranties, including, but not limited to, the implied
// warranties of merchantability and fitness for a particular purpose are disclaimed.
// In no event shall the Intel Corporation or contributors be liable for any direct,
// indirect, incidental, special, exemplary, or consequential damages
// (including, but not limited to, procurement of substitute goods or services;
// loss of use, data, or profits; or business interruption) however caused
// and on any theory of liability, whether in contract, strict liability,
// or tort (including negligence or otherwise) arising in any way out of
// the use of this software, even if advised of the possibility of such damage.
//
//M*/
#include <string>
#include <sstream>
#include "cvconfig.h"
#include "opencv2/core/core.hpp"
#include "gl_core_3_1.hpp"
#ifdef HAVE_OPENGL
#ifdef __APPLE__
#include <dlfcn.h>
static void* AppleGLGetProcAddress (const char* name)
{
static bool initialized = false;
static void * handle = NULL;
if (!handle)
{
if (!initialized)
{
initialized = true;
const char * const path = "/System/Library/Frameworks/OpenGL.framework/Versions/Current/OpenGL";
handle = dlopen(path, RTLD_LAZY | RTLD_GLOBAL);
}
if (!handle)
return NULL;
}
return dlsym(handle, name);
}
#endif // __APPLE__
#if defined(__sgi) || defined (__sun)
#include <dlfcn.h>
#include <stdio.h>
static void* SunGetProcAddress (const char* name)
{
typedef void* (func_t*)(const GLubyte*);
static void* h = 0;
static func_t gpa = 0;
if (!h)
{
h = dlopen(NULL, RTLD_LAZY | RTLD_LOCAL);
if (!h)
return 0;
gpa = (func_t) dlsym(h, "glXGetProcAddress");
}
return gpa ? gpa((const GLubyte*) name) : dlsym(h, name);
}
#endif // __sgi || __sun
#if defined(_WIN32)
#ifdef _MSC_VER
#pragma warning(disable: 4055)
#pragma warning(disable: 4054)
#endif
static int TestPointer(const PROC pTest)
{
if(!pTest)
return 0;
ptrdiff_t iTest = (ptrdiff_t) pTest;
if (iTest == 1 || iTest == 2 || iTest == 3 || iTest == -1)
return 0;
return 1;
}
static PROC WinGetProcAddress(const char* name)
{
PROC pFunc = wglGetProcAddress((LPCSTR) name);
if (TestPointer(pFunc))
return pFunc;
HMODULE glMod = GetModuleHandleA("OpenGL32.dll");
return (PROC) GetProcAddress(glMod, (LPCSTR) name);
}
#endif // _WIN32
#if defined(_WIN32)
#define CV_GL_GET_PROC_ADDRESS(name) WinGetProcAddress(name)
#elif defined(__APPLE__)
#define CV_GL_GET_PROC_ADDRESS(name) AppleGLGetProcAddress(name)
#elif defined(__sgi) || defined(__sun)
#define CV_GL_GET_PROC_ADDRESS(name) SunGetProcAddress(name)
#else // GLX
#include <GL/glx.h>
#define CV_GL_GET_PROC_ADDRESS(name) glXGetProcAddressARB((const GLubyte*) name)
#endif
static void* IntGetProcAddress(const char* name)
{
void* func = (void*) CV_GL_GET_PROC_ADDRESS(name);
if (!func)
{
std::ostringstream msg;
msg << "Can't load OpenGL extension [" << name << "]";
CV_Error(CV_OpenGlApiCallError, msg.str());
}
return func;
}
#else
static void* IntGetProcAddress(const char*)
{
CV_Error(CV_OpenGlNotSupported, "The library is compiled without OpenGL support");
return 0;
}
#endif
namespace gl
{
//////////////////////////////////////////////
// Function pointer types
// Extension: 1.1
typedef void (CODEGEN_FUNCPTR *PFNCULLFACEPROC)(GLenum );
typedef void (CODEGEN_FUNCPTR *PFNFRONTFACEPROC)(GLenum );
typedef void (CODEGEN_FUNCPTR *PFNHINTPROC)(GLenum , GLenum );
typedef void (CODEGEN_FUNCPTR *PFNLINEWIDTHPROC)(GLfloat );
typedef void (CODEGEN_FUNCPTR *PFNPOINTSIZEPROC)(GLfloat );
typedef void (CODEGEN_FUNCPTR *PFNPOLYGONMODEPROC)(GLenum , GLenum );
typedef void (CODEGEN_FUNCPTR *PFNSCISSORPROC)(GLint , GLint , GLsizei , GLsizei );
typedef void (CODEGEN_FUNCPTR *PFNTEXPARAMETERFPROC)(GLenum , GLenum , GLfloat );
typedef void (CODEGEN_FUNCPTR *PFNTEXPARAMETERFVPROC)(GLenum , GLenum , const GLfloat *);
typedef void (CODEGEN_FUNCPTR *PFNTEXPARAMETERIPROC)(GLenum , GLenum , GLint );
typedef void (CODEGEN_FUNCPTR *PFNTEXPARAMETERIVPROC)(GLenum , GLenum , const GLint *);
typedef void (CODEGEN_FUNCPTR *PFNTEXIMAGE1DPROC)(GLenum , GLint , GLint , GLsizei , GLint , GLenum , GLenum , const GLvoid *);
typedef void (CODEGEN_FUNCPTR *PFNTEXIMAGE2DPROC)(GLenum , GLint , GLint , GLsizei , GLsizei , GLint , GLenum , GLenum , const GLvoid *);
typedef void (CODEGEN_FUNCPTR *PFNDRAWBUFFERPROC)(GLenum );
typedef void (CODEGEN_FUNCPTR *PFNCLEARPROC)(GLbitfield );
typedef void (CODEGEN_FUNCPTR *PFNCLEARCOLORPROC)(GLfloat , GLfloat , GLfloat , GLfloat );
typedef void (CODEGEN_FUNCPTR *PFNCLEARSTENCILPROC)(GLint );
typedef void (CODEGEN_FUNCPTR *PFNCLEARDEPTHPROC)(GLdouble );
typedef void (CODEGEN_FUNCPTR *PFNSTENCILMASKPROC)(GLuint );
typedef void (CODEGEN_FUNCPTR *PFNCOLORMASKPROC)(GLboolean , GLboolean , GLboolean , GLboolean );
typedef void (CODEGEN_FUNCPTR *PFNDEPTHMASKPROC)(GLboolean );
typedef void (CODEGEN_FUNCPTR *PFNDISABLEPROC)(GLenum );
typedef void (CODEGEN_FUNCPTR *PFNENABLEPROC)(GLenum );
typedef void (CODEGEN_FUNCPTR *PFNFINISHPROC)();
typedef void (CODEGEN_FUNCPTR *PFNFLUSHPROC)();
typedef void (CODEGEN_FUNCPTR *PFNBLENDFUNCPROC)(GLenum , GLenum );
typedef void (CODEGEN_FUNCPTR *PFNLOGICOPPROC)(GLenum );
typedef void (CODEGEN_FUNCPTR *PFNSTENCILFUNCPROC)(GLenum , GLint , GLuint );
typedef void (CODEGEN_FUNCPTR *PFNSTENCILOPPROC)(GLenum , GLenum , GLenum );
typedef void (CODEGEN_FUNCPTR *PFNDEPTHFUNCPROC)(GLenum );
typedef void (CODEGEN_FUNCPTR *PFNPIXELSTOREFPROC)(GLenum , GLfloat );
typedef void (CODEGEN_FUNCPTR *PFNPIXELSTOREIPROC)(GLenum , GLint );
typedef void (CODEGEN_FUNCPTR *PFNREADBUFFERPROC)(GLenum );
typedef void (CODEGEN_FUNCPTR *PFNREADPIXELSPROC)(GLint , GLint , GLsizei , GLsizei , GLenum , GLenum , GLvoid *);
typedef void (CODEGEN_FUNCPTR *PFNGETBOOLEANVPROC)(GLenum , GLboolean *);
typedef void (CODEGEN_FUNCPTR *PFNGETDOUBLEVPROC)(GLenum , GLdouble *);
typedef GLenum (CODEGEN_FUNCPTR *PFNGETERRORPROC)();
typedef void (CODEGEN_FUNCPTR *PFNGETFLOATVPROC)(GLenum , GLfloat *);
typedef void (CODEGEN_FUNCPTR *PFNGETINTEGERVPROC)(GLenum , GLint *);
typedef const GLubyte * (CODEGEN_FUNCPTR *PFNGETSTRINGPROC)(GLenum );
typedef void (CODEGEN_FUNCPTR *PFNGETTEXIMAGEPROC)(GLenum , GLint , GLenum , GLenum , GLvoid *);
typedef void (CODEGEN_FUNCPTR *PFNGETTEXPARAMETERFVPROC)(GLenum , GLenum , GLfloat *);
typedef void (CODEGEN_FUNCPTR *PFNGETTEXPARAMETERIVPROC)(GLenum , GLenum , GLint *);
typedef void (CODEGEN_FUNCPTR *PFNGETTEXLEVELPARAMETERFVPROC)(GLenum , GLint , GLenum , GLfloat *);
typedef void (CODEGEN_FUNCPTR *PFNGETTEXLEVELPARAMETERIVPROC)(GLenum , GLint , GLenum , GLint *);
typedef GLboolean (CODEGEN_FUNCPTR *PFNISENABLEDPROC)(GLenum );
typedef void (CODEGEN_FUNCPTR *PFNDEPTHRANGEPROC)(GLdouble , GLdouble );
typedef void (CODEGEN_FUNCPTR *PFNVIEWPORTPROC)(GLint , GLint , GLsizei , GLsizei );
typedef void (CODEGEN_FUNCPTR *PFNDRAWARRAYSPROC)(GLenum , GLint , GLsizei );
typedef void (CODEGEN_FUNCPTR *PFNDRAWELEMENTSPROC)(GLenum , GLsizei , GLenum , const GLvoid *);
typedef void (CODEGEN_FUNCPTR *PFNGETPOINTERVPROC)(GLenum , GLvoid* *);
typedef void (CODEGEN_FUNCPTR *PFNPOLYGONOFFSETPROC)(GLfloat , GLfloat );
typedef void (CODEGEN_FUNCPTR *PFNCOPYTEXIMAGE1DPROC)(GLenum , GLint , GLenum , GLint , GLint , GLsizei , GLint );
typedef void (CODEGEN_FUNCPTR *PFNCOPYTEXIMAGE2DPROC)(GLenum , GLint , GLenum , GLint , GLint , GLsizei , GLsizei , GLint );
typedef void (CODEGEN_FUNCPTR *PFNCOPYTEXSUBIMAGE1DPROC)(GLenum , GLint , GLint , GLint , GLint , GLsizei );
typedef void (CODEGEN_FUNCPTR *PFNCOPYTEXSUBIMAGE2DPROC)(GLenum , GLint , GLint , GLint , GLint , GLint , GLsizei , GLsizei );
typedef void (CODEGEN_FUNCPTR *PFNTEXSUBIMAGE1DPROC)(GLenum , GLint , GLint , GLsizei , GLenum , GLenum , const GLvoid *);
typedef void (CODEGEN_FUNCPTR *PFNTEXSUBIMAGE2DPROC)(GLenum , GLint , GLint , GLint , GLsizei , GLsizei , GLenum , GLenum , const GLvoid *);
typedef void (CODEGEN_FUNCPTR *PFNBINDTEXTUREPROC)(GLenum , GLuint );
typedef void (CODEGEN_FUNCPTR *PFNDELETETEXTURESPROC)(GLsizei , const GLuint *);
typedef void (CODEGEN_FUNCPTR *PFNGENTEXTURESPROC)(GLsizei , GLuint *);
typedef GLboolean (CODEGEN_FUNCPTR *PFNISTEXTUREPROC)(GLuint );
typedef void (CODEGEN_FUNCPTR *PFNINDEXUBPROC)(GLubyte );
typedef void (CODEGEN_FUNCPTR *PFNINDEXUBVPROC)(const GLubyte *);
// Extension: 1.2
typedef void (CODEGEN_FUNCPTR *PFNBLENDCOLORPROC)(GLfloat , GLfloat , GLfloat , GLfloat );
typedef void (CODEGEN_FUNCPTR *PFNBLENDEQUATIONPROC)(GLenum );
typedef void (CODEGEN_FUNCPTR *PFNDRAWRANGEELEMENTSPROC)(GLenum , GLuint , GLuint , GLsizei , GLenum , const GLvoid *);
typedef void (CODEGEN_FUNCPTR *PFNTEXSUBIMAGE3DPROC)(GLenum , GLint , GLint , GLint , GLint , GLsizei , GLsizei , GLsizei , GLenum , GLenum , const GLvoid *);
typedef void (CODEGEN_FUNCPTR *PFNCOPYTEXSUBIMAGE3DPROC)(GLenum , GLint , GLint , GLint , GLint , GLint , GLint , GLsizei , GLsizei );
// Extension: 1.3
typedef void (CODEGEN_FUNCPTR *PFNACTIVETEXTUREPROC)(GLenum );
typedef void (CODEGEN_FUNCPTR *PFNSAMPLECOVERAGEPROC)(GLfloat , GLboolean );
typedef void (CODEGEN_FUNCPTR *PFNCOMPRESSEDTEXIMAGE3DPROC)(GLenum , GLint , GLenum , GLsizei , GLsizei , GLsizei , GLint , GLsizei , const GLvoid *);
typedef void (CODEGEN_FUNCPTR *PFNCOMPRESSEDTEXIMAGE2DPROC)(GLenum , GLint , GLenum , GLsizei , GLsizei , GLint , GLsizei , const GLvoid *);
typedef void (CODEGEN_FUNCPTR *PFNCOMPRESSEDTEXIMAGE1DPROC)(GLenum , GLint , GLenum , GLsizei , GLint , GLsizei , const GLvoid *);
typedef void (CODEGEN_FUNCPTR *PFNCOMPRESSEDTEXSUBIMAGE3DPROC)(GLenum , GLint , GLint , GLint , GLint , GLsizei , GLsizei , GLsizei , GLenum , GLsizei , const GLvoid *);
typedef void (CODEGEN_FUNCPTR *PFNCOMPRESSEDTEXSUBIMAGE2DPROC)(GLenum , GLint , GLint , GLint , GLsizei , GLsizei , GLenum , GLsizei , const GLvoid *);
typedef void (CODEGEN_FUNCPTR *PFNCOMPRESSEDTEXSUBIMAGE1DPROC)(GLenum , GLint , GLint , GLsizei , GLenum , GLsizei , const GLvoid *);
typedef void (CODEGEN_FUNCPTR *PFNGETCOMPRESSEDTEXIMAGEPROC)(GLenum , GLint , GLvoid *);
// Extension: 1.4
typedef void (CODEGEN_FUNCPTR *PFNBLENDFUNCSEPARATEPROC)(GLenum , GLenum , GLenum , GLenum );
typedef void (CODEGEN_FUNCPTR *PFNMULTIDRAWARRAYSPROC)(GLenum , const GLint *, const GLsizei *, GLsizei );
typedef void (CODEGEN_FUNCPTR *PFNMULTIDRAWELEMENTSPROC)(GLenum , const GLsizei *, GLenum , const GLvoid* const *, GLsizei );
typedef void (CODEGEN_FUNCPTR *PFNPOINTPARAMETERFPROC)(GLenum , GLfloat );
typedef void (CODEGEN_FUNCPTR *PFNPOINTPARAMETERFVPROC)(GLenum , const GLfloat *);
typedef void (CODEGEN_FUNCPTR *PFNPOINTPARAMETERIPROC)(GLenum , GLint );
typedef void (CODEGEN_FUNCPTR *PFNPOINTPARAMETERIVPROC)(GLenum , const GLint *);
// Extension: 1.5
typedef void (CODEGEN_FUNCPTR *PFNGENQUERIESPROC)(GLsizei , GLuint *);
typedef void (CODEGEN_FUNCPTR *PFNDELETEQUERIESPROC)(GLsizei , const GLuint *);
typedef GLboolean (CODEGEN_FUNCPTR *PFNISQUERYPROC)(GLuint );
typedef void (CODEGEN_FUNCPTR *PFNBEGINQUERYPROC)(GLenum , GLuint );
typedef void (CODEGEN_FUNCPTR *PFNENDQUERYPROC)(GLenum );
typedef void (CODEGEN_FUNCPTR *PFNGETQUERYIVPROC)(GLenum , GLenum , GLint *);
typedef void (CODEGEN_FUNCPTR *PFNGETQUERYOBJECTIVPROC)(GLuint , GLenum , GLint *);
typedef void (CODEGEN_FUNCPTR *PFNGETQUERYOBJECTUIVPROC)(GLuint , GLenum , GLuint *);
typedef void (CODEGEN_FUNCPTR *PFNBINDBUFFERPROC)(GLenum , GLuint );
typedef void (CODEGEN_FUNCPTR *PFNDELETEBUFFERSPROC)(GLsizei , const GLuint *);
typedef void (CODEGEN_FUNCPTR *PFNGENBUFFERSPROC)(GLsizei , GLuint *);
typedef GLboolean (CODEGEN_FUNCPTR *PFNISBUFFERPROC)(GLuint );
typedef void (CODEGEN_FUNCPTR *PFNBUFFERDATAPROC)(GLenum , GLsizeiptr , const GLvoid *, GLenum );
typedef void (CODEGEN_FUNCPTR *PFNBUFFERSUBDATAPROC)(GLenum , GLintptr , GLsizeiptr , const GLvoid *);
typedef void (CODEGEN_FUNCPTR *PFNGETBUFFERSUBDATAPROC)(GLenum , GLintptr , GLsizeiptr , GLvoid *);
typedef GLvoid* (CODEGEN_FUNCPTR *PFNMAPBUFFERPROC)(GLenum , GLenum );
typedef GLboolean (CODEGEN_FUNCPTR *PFNUNMAPBUFFERPROC)(GLenum );
typedef void (CODEGEN_FUNCPTR *PFNGETBUFFERPARAMETERIVPROC)(GLenum , GLenum , GLint *);
typedef void (CODEGEN_FUNCPTR *PFNGETBUFFERPOINTERVPROC)(GLenum , GLenum , GLvoid* *);
// Extension: 2.0
typedef void (CODEGEN_FUNCPTR *PFNBLENDEQUATIONSEPARATEPROC)(GLenum , GLenum );
typedef void (CODEGEN_FUNCPTR *PFNDRAWBUFFERSPROC)(GLsizei , const GLenum *);
typedef void (CODEGEN_FUNCPTR *PFNSTENCILOPSEPARATEPROC)(GLenum , GLenum , GLenum , GLenum );
typedef void (CODEGEN_FUNCPTR *PFNSTENCILFUNCSEPARATEPROC)(GLenum , GLenum , GLint , GLuint );
typedef void (CODEGEN_FUNCPTR *PFNSTENCILMASKSEPARATEPROC)(GLenum , GLuint );
typedef void (CODEGEN_FUNCPTR *PFNATTACHSHADERPROC)(GLuint , GLuint );
typedef void (CODEGEN_FUNCPTR *PFNBINDATTRIBLOCATIONPROC)(GLuint , GLuint , const GLchar *);
typedef void (CODEGEN_FUNCPTR *PFNCOMPILESHADERPROC)(GLuint );
typedef GLuint (CODEGEN_FUNCPTR *PFNCREATEPROGRAMPROC)();
typedef GLuint (CODEGEN_FUNCPTR *PFNCREATESHADERPROC)(GLenum );
typedef void (CODEGEN_FUNCPTR *PFNDELETEPROGRAMPROC)(GLuint );
typedef void (CODEGEN_FUNCPTR *PFNDELETESHADERPROC)(GLuint );
typedef void (CODEGEN_FUNCPTR *PFNDETACHSHADERPROC)(GLuint , GLuint );
typedef void (CODEGEN_FUNCPTR *PFNDISABLEVERTEXATTRIBARRAYPROC)(GLuint );
typedef void (CODEGEN_FUNCPTR *PFNENABLEVERTEXATTRIBARRAYPROC)(GLuint );
typedef void (CODEGEN_FUNCPTR *PFNGETACTIVEATTRIBPROC)(GLuint , GLuint , GLsizei , GLsizei *, GLint *, GLenum *, GLchar *);
typedef void (CODEGEN_FUNCPTR *PFNGETACTIVEUNIFORMPROC)(GLuint , GLuint , GLsizei , GLsizei *, GLint *, GLenum *, GLchar *);
typedef void (CODEGEN_FUNCPTR *PFNGETATTACHEDSHADERSPROC)(GLuint , GLsizei , GLsizei *, GLuint *);
typedef GLint (CODEGEN_FUNCPTR *PFNGETATTRIBLOCATIONPROC)(GLuint , const GLchar *);
typedef void (CODEGEN_FUNCPTR *PFNGETPROGRAMIVPROC)(GLuint , GLenum , GLint *);
typedef void (CODEGEN_FUNCPTR *PFNGETPROGRAMINFOLOGPROC)(GLuint , GLsizei , GLsizei *, GLchar *);
typedef void (CODEGEN_FUNCPTR *PFNGETSHADERIVPROC)(GLuint , GLenum , GLint *);
typedef void (CODEGEN_FUNCPTR *PFNGETSHADERINFOLOGPROC)(GLuint , GLsizei , GLsizei *, GLchar *);
typedef void (CODEGEN_FUNCPTR *PFNGETSHADERSOURCEPROC)(GLuint , GLsizei , GLsizei *, GLchar *);
typedef GLint (CODEGEN_FUNCPTR *PFNGETUNIFORMLOCATIONPROC)(GLuint , const GLchar *);
typedef void (CODEGEN_FUNCPTR *PFNGETUNIFORMFVPROC)(GLuint , GLint , GLfloat *);
typedef void (CODEGEN_FUNCPTR *PFNGETUNIFORMIVPROC)(GLuint , GLint , GLint *);
typedef void (CODEGEN_FUNCPTR *PFNGETVERTEXATTRIBDVPROC)(GLuint , GLenum , GLdouble *);
typedef void (CODEGEN_FUNCPTR *PFNGETVERTEXATTRIBFVPROC)(GLuint , GLenum , GLfloat *);
typedef void (CODEGEN_FUNCPTR *PFNGETVERTEXATTRIBIVPROC)(GLuint , GLenum , GLint *);
typedef void (CODEGEN_FUNCPTR *PFNGETVERTEXATTRIBPOINTERVPROC)(GLuint , GLenum , GLvoid* *);
typedef GLboolean (CODEGEN_FUNCPTR *PFNISPROGRAMPROC)(GLuint );
typedef GLboolean (CODEGEN_FUNCPTR *PFNISSHADERPROC)(GLuint );
typedef void (CODEGEN_FUNCPTR *PFNLINKPROGRAMPROC)(GLuint );
typedef void (CODEGEN_FUNCPTR *PFNSHADERSOURCEPROC)(GLuint , GLsizei , const GLchar* const *, const GLint *);
typedef void (CODEGEN_FUNCPTR *PFNUSEPROGRAMPROC)(GLuint );
typedef void (CODEGEN_FUNCPTR *PFNUNIFORM1FPROC)(GLint , GLfloat );
typedef void (CODEGEN_FUNCPTR *PFNUNIFORM2FPROC)(GLint , GLfloat , GLfloat );
typedef void (CODEGEN_FUNCPTR *PFNUNIFORM3FPROC)(GLint , GLfloat , GLfloat , GLfloat );
typedef void (CODEGEN_FUNCPTR *PFNUNIFORM4FPROC)(GLint , GLfloat , GLfloat , GLfloat , GLfloat );
typedef void (CODEGEN_FUNCPTR *PFNUNIFORM1IPROC)(GLint , GLint );
typedef void (CODEGEN_FUNCPTR *PFNUNIFORM2IPROC)(GLint , GLint , GLint );
typedef void (CODEGEN_FUNCPTR *PFNUNIFORM3IPROC)(GLint , GLint , GLint , GLint );
typedef void (CODEGEN_FUNCPTR *PFNUNIFORM4IPROC)(GLint , GLint , GLint , GLint , GLint );
typedef void (CODEGEN_FUNCPTR *PFNUNIFORM1FVPROC)(GLint , GLsizei , const GLfloat *);
typedef void (CODEGEN_FUNCPTR *PFNUNIFORM2FVPROC)(GLint , GLsizei , const GLfloat *);
typedef void (CODEGEN_FUNCPTR *PFNUNIFORM3FVPROC)(GLint , GLsizei , const GLfloat *);
typedef void (CODEGEN_FUNCPTR *PFNUNIFORM4FVPROC)(GLint , GLsizei , const GLfloat *);
typedef void (CODEGEN_FUNCPTR *PFNUNIFORM1IVPROC)(GLint , GLsizei , const GLint *);
typedef void (CODEGEN_FUNCPTR *PFNUNIFORM2IVPROC)(GLint , GLsizei , const GLint *);
typedef void (CODEGEN_FUNCPTR *PFNUNIFORM3IVPROC)(GLint , GLsizei , const GLint *);
typedef void (CODEGEN_FUNCPTR *PFNUNIFORM4IVPROC)(GLint , GLsizei , const GLint *);
typedef void (CODEGEN_FUNCPTR *PFNUNIFORMMATRIX2FVPROC)(GLint , GLsizei , GLboolean , const GLfloat *);
typedef void (CODEGEN_FUNCPTR *PFNUNIFORMMATRIX3FVPROC)(GLint , GLsizei , GLboolean , const GLfloat *);
typedef void (CODEGEN_FUNCPTR *PFNUNIFORMMATRIX4FVPROC)(GLint , GLsizei , GLboolean , const GLfloat *);
typedef void (CODEGEN_FUNCPTR *PFNVALIDATEPROGRAMPROC)(GLuint );
typedef void (CODEGEN_FUNCPTR *PFNVERTEXATTRIBPOINTERPROC)(GLuint , GLint , GLenum , GLboolean , GLsizei , const GLvoid *);
// Extension: 2.1
typedef void (CODEGEN_FUNCPTR *PFNUNIFORMMATRIX2X3FVPROC)(GLint , GLsizei , GLboolean , const GLfloat *);
typedef void (CODEGEN_FUNCPTR *PFNUNIFORMMATRIX3X2FVPROC)(GLint , GLsizei , GLboolean , const GLfloat *);
typedef void (CODEGEN_FUNCPTR *PFNUNIFORMMATRIX2X4FVPROC)(GLint , GLsizei , GLboolean , const GLfloat *);
typedef void (CODEGEN_FUNCPTR *PFNUNIFORMMATRIX4X2FVPROC)(GLint , GLsizei , GLboolean , const GLfloat *);
typedef void (CODEGEN_FUNCPTR *PFNUNIFORMMATRIX3X4FVPROC)(GLint , GLsizei , GLboolean , const GLfloat *);
typedef void (CODEGEN_FUNCPTR *PFNUNIFORMMATRIX4X3FVPROC)(GLint , GLsizei , GLboolean , const GLfloat *);
// Extension: ARB_vertex_array_object
typedef void (CODEGEN_FUNCPTR *PFNBINDVERTEXARRAYPROC)(GLuint );
typedef void (CODEGEN_FUNCPTR *PFNDELETEVERTEXARRAYSPROC)(GLsizei , const GLuint *);
typedef void (CODEGEN_FUNCPTR *PFNGENVERTEXARRAYSPROC)(GLsizei , GLuint *);
typedef GLboolean (CODEGEN_FUNCPTR *PFNISVERTEXARRAYPROC)(GLuint );
// Extension: ARB_map_buffer_range
typedef GLvoid* (CODEGEN_FUNCPTR *PFNMAPBUFFERRANGEPROC)(GLenum , GLintptr , GLsizeiptr , GLbitfield );
typedef void (CODEGEN_FUNCPTR *PFNFLUSHMAPPEDBUFFERRANGEPROC)(GLenum , GLintptr , GLsizeiptr );
// Extension: ARB_framebuffer_object
typedef GLboolean (CODEGEN_FUNCPTR *PFNISRENDERBUFFERPROC)(GLuint );
typedef void (CODEGEN_FUNCPTR *PFNBINDRENDERBUFFERPROC)(GLenum , GLuint );
typedef void (CODEGEN_FUNCPTR *PFNDELETERENDERBUFFERSPROC)(GLsizei , const GLuint *);
typedef void (CODEGEN_FUNCPTR *PFNGENRENDERBUFFERSPROC)(GLsizei , GLuint *);
typedef void (CODEGEN_FUNCPTR *PFNRENDERBUFFERSTORAGEPROC)(GLenum , GLenum , GLsizei , GLsizei );
typedef void (CODEGEN_FUNCPTR *PFNGETRENDERBUFFERPARAMETERIVPROC)(GLenum , GLenum , GLint *);
typedef GLboolean (CODEGEN_FUNCPTR *PFNISFRAMEBUFFERPROC)(GLuint );
typedef void (CODEGEN_FUNCPTR *PFNBINDFRAMEBUFFERPROC)(GLenum , GLuint );
typedef void (CODEGEN_FUNCPTR *PFNDELETEFRAMEBUFFERSPROC)(GLsizei , const GLuint *);
typedef void (CODEGEN_FUNCPTR *PFNGENFRAMEBUFFERSPROC)(GLsizei , GLuint *);
typedef GLenum (CODEGEN_FUNCPTR *PFNCHECKFRAMEBUFFERSTATUSPROC)(GLenum );
typedef void (CODEGEN_FUNCPTR *PFNFRAMEBUFFERTEXTURE1DPROC)(GLenum , GLenum , GLenum , GLuint , GLint );
typedef void (CODEGEN_FUNCPTR *PFNFRAMEBUFFERTEXTURE2DPROC)(GLenum , GLenum , GLenum , GLuint , GLint );
typedef void (CODEGEN_FUNCPTR *PFNFRAMEBUFFERTEXTURE3DPROC)(GLenum , GLenum , GLenum , GLuint , GLint , GLint );
typedef void (CODEGEN_FUNCPTR *PFNFRAMEBUFFERRENDERBUFFERPROC)(GLenum , GLenum , GLenum , GLuint );
typedef void (CODEGEN_FUNCPTR *PFNGETFRAMEBUFFERATTACHMENTPARAMETERIVPROC)(GLenum , GLenum , GLenum , GLint *);
typedef void (CODEGEN_FUNCPTR *PFNGENERATEMIPMAPPROC)(GLenum );
typedef void (CODEGEN_FUNCPTR *PFNBLITFRAMEBUFFERPROC)(GLint , GLint , GLint , GLint , GLint , GLint , GLint , GLint , GLbitfield , GLenum );
typedef void (CODEGEN_FUNCPTR *PFNRENDERBUFFERSTORAGEMULTISAMPLEPROC)(GLenum , GLsizei , GLenum , GLsizei , GLsizei );
typedef void (CODEGEN_FUNCPTR *PFNFRAMEBUFFERTEXTURELAYERPROC)(GLenum , GLenum , GLuint , GLint , GLint );
// Extension: 3.0
typedef void (CODEGEN_FUNCPTR *PFNCOLORMASKIPROC)(GLuint , GLboolean , GLboolean , GLboolean , GLboolean );
typedef void (CODEGEN_FUNCPTR *PFNGETBOOLEANI_VPROC)(GLenum , GLuint , GLboolean *);
typedef void (CODEGEN_FUNCPTR *PFNGETINTEGERI_VPROC)(GLenum , GLuint , GLint *);
typedef void (CODEGEN_FUNCPTR *PFNENABLEIPROC)(GLenum , GLuint );
typedef void (CODEGEN_FUNCPTR *PFNDISABLEIPROC)(GLenum , GLuint );
typedef GLboolean (CODEGEN_FUNCPTR *PFNISENABLEDIPROC)(GLenum , GLuint );
typedef void (CODEGEN_FUNCPTR *PFNBEGINTRANSFORMFEEDBACKPROC)(GLenum );
typedef void (CODEGEN_FUNCPTR *PFNENDTRANSFORMFEEDBACKPROC)();
typedef void (CODEGEN_FUNCPTR *PFNBINDBUFFERRANGEPROC)(GLenum , GLuint , GLuint , GLintptr , GLsizeiptr );
typedef void (CODEGEN_FUNCPTR *PFNBINDBUFFERBASEPROC)(GLenum , GLuint , GLuint );
typedef void (CODEGEN_FUNCPTR *PFNTRANSFORMFEEDBACKVARYINGSPROC)(GLuint , GLsizei , const GLchar* const *, GLenum );
typedef void (CODEGEN_FUNCPTR *PFNGETTRANSFORMFEEDBACKVARYINGPROC)(GLuint , GLuint , GLsizei , GLsizei *, GLsizei *, GLenum *, GLchar *);
typedef void (CODEGEN_FUNCPTR *PFNCLAMPCOLORPROC)(GLenum , GLenum );
typedef void (CODEGEN_FUNCPTR *PFNBEGINCONDITIONALRENDERPROC)(GLuint , GLenum );
typedef void (CODEGEN_FUNCPTR *PFNENDCONDITIONALRENDERPROC)();
typedef void (CODEGEN_FUNCPTR *PFNVERTEXATTRIBIPOINTERPROC)(GLuint , GLint , GLenum , GLsizei , const GLvoid *);
typedef void (CODEGEN_FUNCPTR *PFNGETVERTEXATTRIBIIVPROC)(GLuint , GLenum , GLint *);
typedef void (CODEGEN_FUNCPTR *PFNGETVERTEXATTRIBIUIVPROC)(GLuint , GLenum , GLuint *);
typedef void (CODEGEN_FUNCPTR *PFNVERTEXATTRIBI1IPROC)(GLuint , GLint );
typedef void (CODEGEN_FUNCPTR *PFNVERTEXATTRIBI2IPROC)(GLuint , GLint , GLint );
typedef void (CODEGEN_FUNCPTR *PFNVERTEXATTRIBI3IPROC)(GLuint , GLint , GLint , GLint );
typedef void (CODEGEN_FUNCPTR *PFNVERTEXATTRIBI4IPROC)(GLuint , GLint , GLint , GLint , GLint );
typedef void (CODEGEN_FUNCPTR *PFNVERTEXATTRIBI1UIPROC)(GLuint , GLuint );
typedef void (CODEGEN_FUNCPTR *PFNVERTEXATTRIBI2UIPROC)(GLuint , GLuint , GLuint );
typedef void (CODEGEN_FUNCPTR *PFNVERTEXATTRIBI3UIPROC)(GLuint , GLuint , GLuint , GLuint );
typedef void (CODEGEN_FUNCPTR *PFNVERTEXATTRIBI4UIPROC)(GLuint , GLuint , GLuint , GLuint , GLuint );
typedef void (CODEGEN_FUNCPTR *PFNVERTEXATTRIBI1IVPROC)(GLuint , const GLint *);
typedef void (CODEGEN_FUNCPTR *PFNVERTEXATTRIBI2IVPROC)(GLuint , const GLint *);
typedef void (CODEGEN_FUNCPTR *PFNVERTEXATTRIBI3IVPROC)(GLuint , const GLint *);
typedef void (CODEGEN_FUNCPTR *PFNVERTEXATTRIBI4IVPROC)(GLuint , const GLint *);
typedef void (CODEGEN_FUNCPTR *PFNVERTEXATTRIBI1UIVPROC)(GLuint , const GLuint *);
typedef void (CODEGEN_FUNCPTR *PFNVERTEXATTRIBI2UIVPROC)(GLuint , const GLuint *);
typedef void (CODEGEN_FUNCPTR *PFNVERTEXATTRIBI3UIVPROC)(GLuint , const GLuint *);
typedef void (CODEGEN_FUNCPTR *PFNVERTEXATTRIBI4UIVPROC)(GLuint , const GLuint *);
typedef void (CODEGEN_FUNCPTR *PFNVERTEXATTRIBI4BVPROC)(GLuint , const GLbyte *);
typedef void (CODEGEN_FUNCPTR *PFNVERTEXATTRIBI4SVPROC)(GLuint , const GLshort *);
typedef void (CODEGEN_FUNCPTR *PFNVERTEXATTRIBI4UBVPROC)(GLuint , const GLubyte *);
typedef void (CODEGEN_FUNCPTR *PFNVERTEXATTRIBI4USVPROC)(GLuint , const GLushort *);
typedef void (CODEGEN_FUNCPTR *PFNGETUNIFORMUIVPROC)(GLuint , GLint , GLuint *);
typedef void (CODEGEN_FUNCPTR *PFNBINDFRAGDATALOCATIONPROC)(GLuint , GLuint , const GLchar *);
typedef GLint (CODEGEN_FUNCPTR *PFNGETFRAGDATALOCATIONPROC)(GLuint , const GLchar *);
typedef void (CODEGEN_FUNCPTR *PFNUNIFORM1UIPROC)(GLint , GLuint );
typedef void (CODEGEN_FUNCPTR *PFNUNIFORM2UIPROC)(GLint , GLuint , GLuint );
typedef void (CODEGEN_FUNCPTR *PFNUNIFORM3UIPROC)(GLint , GLuint , GLuint , GLuint );
typedef void (CODEGEN_FUNCPTR *PFNUNIFORM4UIPROC)(GLint , GLuint , GLuint , GLuint , GLuint );
typedef void (CODEGEN_FUNCPTR *PFNUNIFORM1UIVPROC)(GLint , GLsizei , const GLuint *);
typedef void (CODEGEN_FUNCPTR *PFNUNIFORM2UIVPROC)(GLint , GLsizei , const GLuint *);
typedef void (CODEGEN_FUNCPTR *PFNUNIFORM3UIVPROC)(GLint , GLsizei , const GLuint *);
typedef void (CODEGEN_FUNCPTR *PFNUNIFORM4UIVPROC)(GLint , GLsizei , const GLuint *);
typedef void (CODEGEN_FUNCPTR *PFNTEXPARAMETERIIVPROC)(GLenum , GLenum , const GLint *);
typedef void (CODEGEN_FUNCPTR *PFNTEXPARAMETERIUIVPROC)(GLenum , GLenum , const GLuint *);
typedef void (CODEGEN_FUNCPTR *PFNGETTEXPARAMETERIIVPROC)(GLenum , GLenum , GLint *);
typedef void (CODEGEN_FUNCPTR *PFNGETTEXPARAMETERIUIVPROC)(GLenum , GLenum , GLuint *);
typedef void (CODEGEN_FUNCPTR *PFNCLEARBUFFERIVPROC)(GLenum , GLint , const GLint *);
typedef void (CODEGEN_FUNCPTR *PFNCLEARBUFFERUIVPROC)(GLenum , GLint , const GLuint *);
typedef void (CODEGEN_FUNCPTR *PFNCLEARBUFFERFVPROC)(GLenum , GLint , const GLfloat *);
typedef void (CODEGEN_FUNCPTR *PFNCLEARBUFFERFIPROC)(GLenum , GLint , GLfloat , GLint );
typedef const GLubyte * (CODEGEN_FUNCPTR *PFNGETSTRINGIPROC)(GLenum , GLuint );
// Extension: ARB_uniform_buffer_object
typedef void (CODEGEN_FUNCPTR *PFNGETUNIFORMINDICESPROC)(GLuint , GLsizei , const GLchar* const *, GLuint *);
typedef void (CODEGEN_FUNCPTR *PFNGETACTIVEUNIFORMSIVPROC)(GLuint , GLsizei , const GLuint *, GLenum , GLint *);
typedef void (CODEGEN_FUNCPTR *PFNGETACTIVEUNIFORMNAMEPROC)(GLuint , GLuint , GLsizei , GLsizei *, GLchar *);
typedef GLuint (CODEGEN_FUNCPTR *PFNGETUNIFORMBLOCKINDEXPROC)(GLuint , const GLchar *);
typedef void (CODEGEN_FUNCPTR *PFNGETACTIVEUNIFORMBLOCKIVPROC)(GLuint , GLuint , GLenum , GLint *);
typedef void (CODEGEN_FUNCPTR *PFNGETACTIVEUNIFORMBLOCKNAMEPROC)(GLuint , GLuint , GLsizei , GLsizei *, GLchar *);
typedef void (CODEGEN_FUNCPTR *PFNUNIFORMBLOCKBINDINGPROC)(GLuint , GLuint , GLuint );
// Extension: ARB_copy_buffer
typedef void (CODEGEN_FUNCPTR *PFNCOPYBUFFERSUBDATAPROC)(GLenum , GLenum , GLintptr , GLintptr , GLsizeiptr );
// Extension: 3.1
typedef void (CODEGEN_FUNCPTR *PFNDRAWARRAYSINSTANCEDPROC)(GLenum , GLint , GLsizei , GLsizei );
typedef void (CODEGEN_FUNCPTR *PFNDRAWELEMENTSINSTANCEDPROC)(GLenum , GLsizei , GLenum , const GLvoid *, GLsizei );
typedef void (CODEGEN_FUNCPTR *PFNTEXBUFFERPROC)(GLenum , GLenum , GLuint );
typedef void (CODEGEN_FUNCPTR *PFNPRIMITIVERESTARTINDEXPROC)(GLuint );
// Legacy
typedef void (CODEGEN_FUNCPTR *PFNENABLECLIENTSTATEPROC)(GLenum );
typedef void (CODEGEN_FUNCPTR *PFNDISABLECLIENTSTATEPROC)(GLenum );
typedef void (CODEGEN_FUNCPTR *PFNVERTEXPOINTERPROC)(GLint , GLenum , GLsizei , const GLvoid *);
typedef void (CODEGEN_FUNCPTR *PFNNORMALPOINTERPROC)(GLenum , GLsizei , const GLvoid *);
typedef void (CODEGEN_FUNCPTR *PFNCOLORPOINTERPROC)(GLint , GLenum , GLsizei , const GLvoid *);
typedef void (CODEGEN_FUNCPTR *PFNTEXCOORDPOINTERPROC)(GLint , GLenum , GLsizei , const GLvoid *);
typedef void (CODEGEN_FUNCPTR *PFNTEXENVIPROC)(GLenum , GLenum , GLint );
typedef void (CODEGEN_FUNCPTR *PFNMATRIXMODEPROC)(GLenum );
typedef void (CODEGEN_FUNCPTR *PFNLOADIDENTITYPROC)(void);
typedef void (CODEGEN_FUNCPTR *PFNORTHOPROC)(GLdouble , GLdouble , GLdouble , GLdouble , GLdouble , GLdouble );
typedef void (CODEGEN_FUNCPTR *PFNCOLOR3DPROC)(GLdouble , GLdouble , GLdouble );
//////////////////////////////////////////////
// Function pointers
// Extension: 1.1
PFNCULLFACEPROC CullFace;
PFNFRONTFACEPROC FrontFace;
PFNHINTPROC Hint;
PFNLINEWIDTHPROC LineWidth;
PFNPOINTSIZEPROC PointSize;
PFNPOLYGONMODEPROC PolygonMode;
PFNSCISSORPROC Scissor;
PFNTEXPARAMETERFPROC TexParameterf;
PFNTEXPARAMETERFVPROC TexParameterfv;
PFNTEXPARAMETERIPROC TexParameteri;
PFNTEXPARAMETERIVPROC TexParameteriv;
PFNTEXIMAGE1DPROC TexImage1D;
PFNTEXIMAGE2DPROC TexImage2D;
PFNDRAWBUFFERPROC DrawBuffer;
PFNCLEARPROC Clear;
PFNCLEARCOLORPROC ClearColor;
PFNCLEARSTENCILPROC ClearStencil;
PFNCLEARDEPTHPROC ClearDepth;
PFNSTENCILMASKPROC StencilMask;
PFNCOLORMASKPROC ColorMask;
PFNDEPTHMASKPROC DepthMask;
PFNDISABLEPROC Disable;
PFNENABLEPROC Enable;
PFNFINISHPROC Finish;
PFNFLUSHPROC Flush;
PFNBLENDFUNCPROC BlendFunc;
PFNLOGICOPPROC LogicOp;
PFNSTENCILFUNCPROC StencilFunc;
PFNSTENCILOPPROC StencilOp;
PFNDEPTHFUNCPROC DepthFunc;
PFNPIXELSTOREFPROC PixelStoref;
PFNPIXELSTOREIPROC PixelStorei;
PFNREADBUFFERPROC ReadBuffer;
PFNREADPIXELSPROC ReadPixels;
PFNGETBOOLEANVPROC GetBooleanv;
PFNGETDOUBLEVPROC GetDoublev;
PFNGETERRORPROC GetError;
PFNGETFLOATVPROC GetFloatv;
PFNGETINTEGERVPROC GetIntegerv;
PFNGETSTRINGPROC GetString;
PFNGETTEXIMAGEPROC GetTexImage;
PFNGETTEXPARAMETERFVPROC GetTexParameterfv;
PFNGETTEXPARAMETERIVPROC GetTexParameteriv;
PFNGETTEXLEVELPARAMETERFVPROC GetTexLevelParameterfv;
PFNGETTEXLEVELPARAMETERIVPROC GetTexLevelParameteriv;
PFNISENABLEDPROC IsEnabled;
PFNDEPTHRANGEPROC DepthRange;
PFNVIEWPORTPROC Viewport;
PFNDRAWARRAYSPROC DrawArrays;
PFNDRAWELEMENTSPROC DrawElements;
PFNGETPOINTERVPROC GetPointerv;
PFNPOLYGONOFFSETPROC PolygonOffset;
PFNCOPYTEXIMAGE1DPROC CopyTexImage1D;
PFNCOPYTEXIMAGE2DPROC CopyTexImage2D;
PFNCOPYTEXSUBIMAGE1DPROC CopyTexSubImage1D;
PFNCOPYTEXSUBIMAGE2DPROC CopyTexSubImage2D;
PFNTEXSUBIMAGE1DPROC TexSubImage1D;
PFNTEXSUBIMAGE2DPROC TexSubImage2D;
PFNBINDTEXTUREPROC BindTexture;
PFNDELETETEXTURESPROC DeleteTextures;
PFNGENTEXTURESPROC GenTextures;
PFNISTEXTUREPROC IsTexture;
PFNINDEXUBPROC Indexub;
PFNINDEXUBVPROC Indexubv;
// Extension: 1.2
PFNBLENDCOLORPROC BlendColor;
PFNBLENDEQUATIONPROC BlendEquation;
PFNDRAWRANGEELEMENTSPROC DrawRangeElements;
PFNTEXSUBIMAGE3DPROC TexSubImage3D;
PFNCOPYTEXSUBIMAGE3DPROC CopyTexSubImage3D;
// Extension: 1.3
PFNACTIVETEXTUREPROC ActiveTexture;
PFNSAMPLECOVERAGEPROC SampleCoverage;
PFNCOMPRESSEDTEXIMAGE3DPROC CompressedTexImage3D;
PFNCOMPRESSEDTEXIMAGE2DPROC CompressedTexImage2D;
PFNCOMPRESSEDTEXIMAGE1DPROC CompressedTexImage1D;
PFNCOMPRESSEDTEXSUBIMAGE3DPROC CompressedTexSubImage3D;
PFNCOMPRESSEDTEXSUBIMAGE2DPROC CompressedTexSubImage2D;
PFNCOMPRESSEDTEXSUBIMAGE1DPROC CompressedTexSubImage1D;
PFNGETCOMPRESSEDTEXIMAGEPROC GetCompressedTexImage;
// Extension: 1.4
PFNBLENDFUNCSEPARATEPROC BlendFuncSeparate;
PFNMULTIDRAWARRAYSPROC MultiDrawArrays;
PFNMULTIDRAWELEMENTSPROC MultiDrawElements;
PFNPOINTPARAMETERFPROC PointParameterf;
PFNPOINTPARAMETERFVPROC PointParameterfv;
PFNPOINTPARAMETERIPROC PointParameteri;
PFNPOINTPARAMETERIVPROC PointParameteriv;
// Extension: 1.5
PFNGENQUERIESPROC GenQueries;
PFNDELETEQUERIESPROC DeleteQueries;
PFNISQUERYPROC IsQuery;
PFNBEGINQUERYPROC BeginQuery;
PFNENDQUERYPROC EndQuery;
PFNGETQUERYIVPROC GetQueryiv;
PFNGETQUERYOBJECTIVPROC GetQueryObjectiv;
PFNGETQUERYOBJECTUIVPROC GetQueryObjectuiv;
PFNBINDBUFFERPROC BindBuffer;
PFNDELETEBUFFERSPROC DeleteBuffers;
PFNGENBUFFERSPROC GenBuffers;
PFNISBUFFERPROC IsBuffer;
PFNBUFFERDATAPROC BufferData;
PFNBUFFERSUBDATAPROC BufferSubData;
PFNGETBUFFERSUBDATAPROC GetBufferSubData;
PFNMAPBUFFERPROC MapBuffer;
PFNUNMAPBUFFERPROC UnmapBuffer;
PFNGETBUFFERPARAMETERIVPROC GetBufferParameteriv;
PFNGETBUFFERPOINTERVPROC GetBufferPointerv;
// Extension: 2.0
PFNBLENDEQUATIONSEPARATEPROC BlendEquationSeparate;
PFNDRAWBUFFERSPROC DrawBuffers;
PFNSTENCILOPSEPARATEPROC StencilOpSeparate;
PFNSTENCILFUNCSEPARATEPROC StencilFuncSeparate;
PFNSTENCILMASKSEPARATEPROC StencilMaskSeparate;
PFNATTACHSHADERPROC AttachShader;
PFNBINDATTRIBLOCATIONPROC BindAttribLocation;
PFNCOMPILESHADERPROC CompileShader;
PFNCREATEPROGRAMPROC CreateProgram;
PFNCREATESHADERPROC CreateShader;
PFNDELETEPROGRAMPROC DeleteProgram;
PFNDELETESHADERPROC DeleteShader;
PFNDETACHSHADERPROC DetachShader;
PFNDISABLEVERTEXATTRIBARRAYPROC DisableVertexAttribArray;
PFNENABLEVERTEXATTRIBARRAYPROC EnableVertexAttribArray;
PFNGETACTIVEATTRIBPROC GetActiveAttrib;
PFNGETACTIVEUNIFORMPROC GetActiveUniform;
PFNGETATTACHEDSHADERSPROC GetAttachedShaders;
PFNGETATTRIBLOCATIONPROC GetAttribLocation;
PFNGETPROGRAMIVPROC GetProgramiv;
PFNGETPROGRAMINFOLOGPROC GetProgramInfoLog;
PFNGETSHADERIVPROC GetShaderiv;
PFNGETSHADERINFOLOGPROC GetShaderInfoLog;
PFNGETSHADERSOURCEPROC GetShaderSource;
PFNGETUNIFORMLOCATIONPROC GetUniformLocation;
PFNGETUNIFORMFVPROC GetUniformfv;
PFNGETUNIFORMIVPROC GetUniformiv;
PFNGETVERTEXATTRIBDVPROC GetVertexAttribdv;
PFNGETVERTEXATTRIBFVPROC GetVertexAttribfv;
PFNGETVERTEXATTRIBIVPROC GetVertexAttribiv;
PFNGETVERTEXATTRIBPOINTERVPROC GetVertexAttribPointerv;
PFNISPROGRAMPROC IsProgram;
PFNISSHADERPROC IsShader;
PFNLINKPROGRAMPROC LinkProgram;
PFNSHADERSOURCEPROC ShaderSource;
PFNUSEPROGRAMPROC UseProgram;
PFNUNIFORM1FPROC Uniform1f;
PFNUNIFORM2FPROC Uniform2f;
PFNUNIFORM3FPROC Uniform3f;
PFNUNIFORM4FPROC Uniform4f;
PFNUNIFORM1IPROC Uniform1i;
PFNUNIFORM2IPROC Uniform2i;
PFNUNIFORM3IPROC Uniform3i;
PFNUNIFORM4IPROC Uniform4i;
PFNUNIFORM1FVPROC Uniform1fv;
PFNUNIFORM2FVPROC Uniform2fv;
PFNUNIFORM3FVPROC Uniform3fv;
PFNUNIFORM4FVPROC Uniform4fv;
PFNUNIFORM1IVPROC Uniform1iv;
PFNUNIFORM2IVPROC Uniform2iv;
PFNUNIFORM3IVPROC Uniform3iv;
PFNUNIFORM4IVPROC Uniform4iv;
PFNUNIFORMMATRIX2FVPROC UniformMatrix2fv;
PFNUNIFORMMATRIX3FVPROC UniformMatrix3fv;
PFNUNIFORMMATRIX4FVPROC UniformMatrix4fv;
PFNVALIDATEPROGRAMPROC ValidateProgram;
PFNVERTEXATTRIBPOINTERPROC VertexAttribPointer;
// Extension: 2.1
PFNUNIFORMMATRIX2X3FVPROC UniformMatrix2x3fv;
PFNUNIFORMMATRIX3X2FVPROC UniformMatrix3x2fv;
PFNUNIFORMMATRIX2X4FVPROC UniformMatrix2x4fv;
PFNUNIFORMMATRIX4X2FVPROC UniformMatrix4x2fv;
PFNUNIFORMMATRIX3X4FVPROC UniformMatrix3x4fv;
PFNUNIFORMMATRIX4X3FVPROC UniformMatrix4x3fv;
// Extension: ARB_vertex_array_object
PFNBINDVERTEXARRAYPROC BindVertexArray;
PFNDELETEVERTEXARRAYSPROC DeleteVertexArrays;
PFNGENVERTEXARRAYSPROC GenVertexArrays;
PFNISVERTEXARRAYPROC IsVertexArray;
// Extension: ARB_map_buffer_range
PFNMAPBUFFERRANGEPROC MapBufferRange;
PFNFLUSHMAPPEDBUFFERRANGEPROC FlushMappedBufferRange;
// Extension: ARB_framebuffer_object
PFNISRENDERBUFFERPROC IsRenderbuffer;
PFNBINDRENDERBUFFERPROC BindRenderbuffer;
PFNDELETERENDERBUFFERSPROC DeleteRenderbuffers;
PFNGENRENDERBUFFERSPROC GenRenderbuffers;
PFNRENDERBUFFERSTORAGEPROC RenderbufferStorage;
PFNGETRENDERBUFFERPARAMETERIVPROC GetRenderbufferParameteriv;
PFNISFRAMEBUFFERPROC IsFramebuffer;
PFNBINDFRAMEBUFFERPROC BindFramebuffer;
PFNDELETEFRAMEBUFFERSPROC DeleteFramebuffers;
PFNGENFRAMEBUFFERSPROC GenFramebuffers;
PFNCHECKFRAMEBUFFERSTATUSPROC CheckFramebufferStatus;
PFNFRAMEBUFFERTEXTURE1DPROC FramebufferTexture1D;
PFNFRAMEBUFFERTEXTURE2DPROC FramebufferTexture2D;
PFNFRAMEBUFFERTEXTURE3DPROC FramebufferTexture3D;
PFNFRAMEBUFFERRENDERBUFFERPROC FramebufferRenderbuffer;
PFNGETFRAMEBUFFERATTACHMENTPARAMETERIVPROC GetFramebufferAttachmentParameteriv;
PFNGENERATEMIPMAPPROC GenerateMipmap;
PFNBLITFRAMEBUFFERPROC BlitFramebuffer;
PFNRENDERBUFFERSTORAGEMULTISAMPLEPROC RenderbufferStorageMultisample;
PFNFRAMEBUFFERTEXTURELAYERPROC FramebufferTextureLayer;
// Extension: 3.0
PFNCOLORMASKIPROC ColorMaski;
PFNGETBOOLEANI_VPROC GetBooleani_v;
PFNGETINTEGERI_VPROC GetIntegeri_v;
PFNENABLEIPROC Enablei;
PFNDISABLEIPROC Disablei;
PFNISENABLEDIPROC IsEnabledi;
PFNBEGINTRANSFORMFEEDBACKPROC BeginTransformFeedback;
PFNENDTRANSFORMFEEDBACKPROC EndTransformFeedback;
PFNBINDBUFFERRANGEPROC BindBufferRange;
PFNBINDBUFFERBASEPROC BindBufferBase;
PFNTRANSFORMFEEDBACKVARYINGSPROC TransformFeedbackVaryings;
PFNGETTRANSFORMFEEDBACKVARYINGPROC GetTransformFeedbackVarying;
PFNCLAMPCOLORPROC ClampColor;
PFNBEGINCONDITIONALRENDERPROC BeginConditionalRender;
PFNENDCONDITIONALRENDERPROC EndConditionalRender;
PFNVERTEXATTRIBIPOINTERPROC VertexAttribIPointer;
PFNGETVERTEXATTRIBIIVPROC GetVertexAttribIiv;
PFNGETVERTEXATTRIBIUIVPROC GetVertexAttribIuiv;
PFNVERTEXATTRIBI1IPROC VertexAttribI1i;
PFNVERTEXATTRIBI2IPROC VertexAttribI2i;
PFNVERTEXATTRIBI3IPROC VertexAttribI3i;
PFNVERTEXATTRIBI4IPROC VertexAttribI4i;
PFNVERTEXATTRIBI1UIPROC VertexAttribI1ui;
PFNVERTEXATTRIBI2UIPROC VertexAttribI2ui;
PFNVERTEXATTRIBI3UIPROC VertexAttribI3ui;
PFNVERTEXATTRIBI4UIPROC VertexAttribI4ui;
PFNVERTEXATTRIBI1IVPROC VertexAttribI1iv;
PFNVERTEXATTRIBI2IVPROC VertexAttribI2iv;
PFNVERTEXATTRIBI3IVPROC VertexAttribI3iv;
PFNVERTEXATTRIBI4IVPROC VertexAttribI4iv;
PFNVERTEXATTRIBI1UIVPROC VertexAttribI1uiv;
PFNVERTEXATTRIBI2UIVPROC VertexAttribI2uiv;
PFNVERTEXATTRIBI3UIVPROC VertexAttribI3uiv;
PFNVERTEXATTRIBI4UIVPROC VertexAttribI4uiv;
PFNVERTEXATTRIBI4BVPROC VertexAttribI4bv;
PFNVERTEXATTRIBI4SVPROC VertexAttribI4sv;
PFNVERTEXATTRIBI4UBVPROC VertexAttribI4ubv;
PFNVERTEXATTRIBI4USVPROC VertexAttribI4usv;
PFNGETUNIFORMUIVPROC GetUniformuiv;
PFNBINDFRAGDATALOCATIONPROC BindFragDataLocation;
PFNGETFRAGDATALOCATIONPROC GetFragDataLocation;
PFNUNIFORM1UIPROC Uniform1ui;
PFNUNIFORM2UIPROC Uniform2ui;
PFNUNIFORM3UIPROC Uniform3ui;
PFNUNIFORM4UIPROC Uniform4ui;
PFNUNIFORM1UIVPROC Uniform1uiv;
PFNUNIFORM2UIVPROC Uniform2uiv;
PFNUNIFORM3UIVPROC Uniform3uiv;
PFNUNIFORM4UIVPROC Uniform4uiv;
PFNTEXPARAMETERIIVPROC TexParameterIiv;
PFNTEXPARAMETERIUIVPROC TexParameterIuiv;
PFNGETTEXPARAMETERIIVPROC GetTexParameterIiv;
PFNGETTEXPARAMETERIUIVPROC GetTexParameterIuiv;
PFNCLEARBUFFERIVPROC ClearBufferiv;
PFNCLEARBUFFERUIVPROC ClearBufferuiv;
PFNCLEARBUFFERFVPROC ClearBufferfv;
PFNCLEARBUFFERFIPROC ClearBufferfi;
PFNGETSTRINGIPROC GetStringi;
// Extension: ARB_uniform_buffer_object
PFNGETUNIFORMINDICESPROC GetUniformIndices;
PFNGETACTIVEUNIFORMSIVPROC GetActiveUniformsiv;
PFNGETACTIVEUNIFORMNAMEPROC GetActiveUniformName;
PFNGETUNIFORMBLOCKINDEXPROC GetUniformBlockIndex;
PFNGETACTIVEUNIFORMBLOCKIVPROC GetActiveUniformBlockiv;
PFNGETACTIVEUNIFORMBLOCKNAMEPROC GetActiveUniformBlockName;
PFNUNIFORMBLOCKBINDINGPROC UniformBlockBinding;
// Extension: ARB_copy_buffer
PFNCOPYBUFFERSUBDATAPROC CopyBufferSubData;
// Extension: 3.1
PFNDRAWARRAYSINSTANCEDPROC DrawArraysInstanced;
PFNDRAWELEMENTSINSTANCEDPROC DrawElementsInstanced;
PFNTEXBUFFERPROC TexBuffer;
PFNPRIMITIVERESTARTINDEXPROC PrimitiveRestartIndex;
// Legacy
PFNENABLECLIENTSTATEPROC EnableClientState;
PFNDISABLECLIENTSTATEPROC DisableClientState;
PFNVERTEXPOINTERPROC VertexPointer;
PFNNORMALPOINTERPROC NormalPointer;
PFNCOLORPOINTERPROC ColorPointer;
PFNTEXCOORDPOINTERPROC TexCoordPointer;
PFNTEXENVIPROC TexEnvi;
PFNMATRIXMODEPROC MatrixMode;
PFNLOADIDENTITYPROC LoadIdentity;
PFNORTHOPROC Ortho;
PFNCOLOR3DPROC Color3d;
//////////////////////////////////////////////
// Switch functions
// Extension: 1.1
static void CODEGEN_FUNCPTR Switch_CullFace(GLenum mode)
{
CullFace = (PFNCULLFACEPROC)IntGetProcAddress("glCullFace");
CullFace(mode);
}
static void CODEGEN_FUNCPTR Switch_FrontFace(GLenum mode)
{
FrontFace = (PFNFRONTFACEPROC)IntGetProcAddress("glFrontFace");
FrontFace(mode);
}
static void CODEGEN_FUNCPTR Switch_Hint(GLenum target, GLenum mode)
{
Hint = (PFNHINTPROC)IntGetProcAddress("glHint");
Hint(target, mode);
}
static void CODEGEN_FUNCPTR Switch_LineWidth(GLfloat width)
{
LineWidth = (PFNLINEWIDTHPROC)IntGetProcAddress("glLineWidth");
LineWidth(width);
}
static void CODEGEN_FUNCPTR Switch_PointSize(GLfloat size)
{
PointSize = (PFNPOINTSIZEPROC)IntGetProcAddress("glPointSize");
PointSize(size);
}
static void CODEGEN_FUNCPTR Switch_PolygonMode(GLenum face, GLenum mode)
{
PolygonMode = (PFNPOLYGONMODEPROC)IntGetProcAddress("glPolygonMode");
PolygonMode(face, mode);
}
static void CODEGEN_FUNCPTR Switch_Scissor(GLint x, GLint y, GLsizei width, GLsizei height)
{
Scissor = (PFNSCISSORPROC)IntGetProcAddress("glScissor");
Scissor(x, y, width, height);
}
static void CODEGEN_FUNCPTR Switch_TexParameterf(GLenum target, GLenum pname, GLfloat param)
{
TexParameterf = (PFNTEXPARAMETERFPROC)IntGetProcAddress("glTexParameterf");
TexParameterf(target, pname, param);
}
static void CODEGEN_FUNCPTR Switch_TexParameterfv(GLenum target, GLenum pname, const GLfloat *params)
{
TexParameterfv = (PFNTEXPARAMETERFVPROC)IntGetProcAddress("glTexParameterfv");
TexParameterfv(target, pname, params);
}
static void CODEGEN_FUNCPTR Switch_TexParameteri(GLenum target, GLenum pname, GLint param)
{
TexParameteri = (PFNTEXPARAMETERIPROC)IntGetProcAddress("glTexParameteri");
TexParameteri(target, pname, param);
}
static void CODEGEN_FUNCPTR Switch_TexParameteriv(GLenum target, GLenum pname, const GLint *params)
{
TexParameteriv = (PFNTEXPARAMETERIVPROC)IntGetProcAddress("glTexParameteriv");
TexParameteriv(target, pname, params);
}
static void CODEGEN_FUNCPTR Switch_TexImage1D(GLenum target, GLint level, GLint internalformat, GLsizei width, GLint border, GLenum format, GLenum type, const GLvoid *pixels)
{
TexImage1D = (PFNTEXIMAGE1DPROC)IntGetProcAddress("glTexImage1D");
TexImage1D(target, level, internalformat, width, border, format, type, pixels);
}
static void CODEGEN_FUNCPTR Switch_TexImage2D(GLenum target, GLint level, GLint internalformat, GLsizei width, GLsizei height, GLint border, GLenum format, GLenum type, const GLvoid *pixels)
{
TexImage2D = (PFNTEXIMAGE2DPROC)IntGetProcAddress("glTexImage2D");
TexImage2D(target, level, internalformat, width, height, border, format, type, pixels);
}
static void CODEGEN_FUNCPTR Switch_DrawBuffer(GLenum mode)
{
DrawBuffer = (PFNDRAWBUFFERPROC)IntGetProcAddress("glDrawBuffer");
DrawBuffer(mode);
}
static void CODEGEN_FUNCPTR Switch_Clear(GLbitfield mask)
{
Clear = (PFNCLEARPROC)IntGetProcAddress("glClear");
Clear(mask);
}
static void CODEGEN_FUNCPTR Switch_ClearColor(GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha)
{
ClearColor = (PFNCLEARCOLORPROC)IntGetProcAddress("glClearColor");
ClearColor(red, green, blue, alpha);
}
static void CODEGEN_FUNCPTR Switch_ClearStencil(GLint s)
{
ClearStencil = (PFNCLEARSTENCILPROC)IntGetProcAddress("glClearStencil");
ClearStencil(s);
}
static void CODEGEN_FUNCPTR Switch_ClearDepth(GLdouble depth)
{
ClearDepth = (PFNCLEARDEPTHPROC)IntGetProcAddress("glClearDepth");
ClearDepth(depth);
}
static void CODEGEN_FUNCPTR Switch_StencilMask(GLuint mask)
{
StencilMask = (PFNSTENCILMASKPROC)IntGetProcAddress("glStencilMask");
StencilMask(mask);
}
static void CODEGEN_FUNCPTR Switch_ColorMask(GLboolean red, GLboolean green, GLboolean blue, GLboolean alpha)
{
ColorMask = (PFNCOLORMASKPROC)IntGetProcAddress("glColorMask");
ColorMask(red, green, blue, alpha);
}
static void CODEGEN_FUNCPTR Switch_DepthMask(GLboolean flag)
{
DepthMask = (PFNDEPTHMASKPROC)IntGetProcAddress("glDepthMask");
DepthMask(flag);
}
static void CODEGEN_FUNCPTR Switch_Disable(GLenum cap)
{
Disable = (PFNDISABLEPROC)IntGetProcAddress("glDisable");
Disable(cap);
}
static void CODEGEN_FUNCPTR Switch_Enable(GLenum cap)
{
Enable = (PFNENABLEPROC)IntGetProcAddress("glEnable");
Enable(cap);
}
static void CODEGEN_FUNCPTR Switch_Finish()
{
Finish = (PFNFINISHPROC)IntGetProcAddress("glFinish");
Finish();
}
static void CODEGEN_FUNCPTR Switch_Flush()
{
Flush = (PFNFLUSHPROC)IntGetProcAddress("glFlush");
Flush();
}
static void CODEGEN_FUNCPTR Switch_BlendFunc(GLenum sfactor, GLenum dfactor)
{
BlendFunc = (PFNBLENDFUNCPROC)IntGetProcAddress("glBlendFunc");
BlendFunc(sfactor, dfactor);
}
static void CODEGEN_FUNCPTR Switch_LogicOp(GLenum opcode)
{
LogicOp = (PFNLOGICOPPROC)IntGetProcAddress("glLogicOp");
LogicOp(opcode);
}
static void CODEGEN_FUNCPTR Switch_StencilFunc(GLenum func, GLint ref, GLuint mask)
{
StencilFunc = (PFNSTENCILFUNCPROC)IntGetProcAddress("glStencilFunc");
StencilFunc(func, ref, mask);
}
static void CODEGEN_FUNCPTR Switch_StencilOp(GLenum fail, GLenum zfail, GLenum zpass)
{
StencilOp = (PFNSTENCILOPPROC)IntGetProcAddress("glStencilOp");
StencilOp(fail, zfail, zpass);
}
static void CODEGEN_FUNCPTR Switch_DepthFunc(GLenum func)
{
DepthFunc = (PFNDEPTHFUNCPROC)IntGetProcAddress("glDepthFunc");
DepthFunc(func);
}
static void CODEGEN_FUNCPTR Switch_PixelStoref(GLenum pname, GLfloat param)
{
PixelStoref = (PFNPIXELSTOREFPROC)IntGetProcAddress("glPixelStoref");
PixelStoref(pname, param);
}
static void CODEGEN_FUNCPTR Switch_PixelStorei(GLenum pname, GLint param)
{
PixelStorei = (PFNPIXELSTOREIPROC)IntGetProcAddress("glPixelStorei");
PixelStorei(pname, param);
}
static void CODEGEN_FUNCPTR Switch_ReadBuffer(GLenum mode)
{
ReadBuffer = (PFNREADBUFFERPROC)IntGetProcAddress("glReadBuffer");
ReadBuffer(mode);
}
static void CODEGEN_FUNCPTR Switch_ReadPixels(GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, GLvoid *pixels)
{
ReadPixels = (PFNREADPIXELSPROC)IntGetProcAddress("glReadPixels");
ReadPixels(x, y, width, height, format, type, pixels);
}
static void CODEGEN_FUNCPTR Switch_GetBooleanv(GLenum pname, GLboolean *params)
{
GetBooleanv = (PFNGETBOOLEANVPROC)IntGetProcAddress("glGetBooleanv");
GetBooleanv(pname, params);
}
static void CODEGEN_FUNCPTR Switch_GetDoublev(GLenum pname, GLdouble *params)
{
GetDoublev = (PFNGETDOUBLEVPROC)IntGetProcAddress("glGetDoublev");
GetDoublev(pname, params);
}
static GLenum CODEGEN_FUNCPTR Switch_GetError()
{
GetError = (PFNGETERRORPROC)IntGetProcAddress("glGetError");