]> de.git.xonotic.org Git - xonotic/netradiant.git/blobdiff - radiant/qgl.cpp
add a missing cast
[xonotic/netradiant.git] / radiant / qgl.cpp
index ae55e9ff956d0a2e2ee531ef358cf6578b9a574e..2e44768c97973ef9b30f295dafe9b49986d5fc4e 100644 (file)
@@ -1,23 +1,23 @@
 /*
-Copyright (C) 1999-2006 Id Software, Inc. and contributors.
-For a list of contributors, see the accompanying CONTRIBUTORS file.
+   Copyright (C) 1999-2006 Id Software, Inc. and contributors.
+   For a list of contributors, see the accompanying CONTRIBUTORS file.
 
-This file is part of GtkRadiant.
+   This file is part of GtkRadiant.
 
-GtkRadiant is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
-(at your option) any later version.
+   GtkRadiant is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License, or
+   (at your option) any later version.
 
-GtkRadiant 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 General Public License for more details.
+   GtkRadiant 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 General Public License for more details.
 
-You should have received a copy of the GNU General Public License
-along with GtkRadiant; if not, write to the Free Software
-Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
-*/
+   You should have received a copy of the GNU General Public License
+   along with GtkRadiant; if not, write to the Free Software
+   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
 
 
 #include "qgl.h"
@@ -28,14 +28,14 @@ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 #include <stdlib.h>
 #include <string.h>
 
-#if defined(_WIN32)
-#define WINGDIAPI __declspec(dllimport)
+#if defined( _WIN32 )
+#define WINGDIAPI __declspec( dllimport )
 #define APIENTRY __stdcall
 #endif
 
 #include <GL/gl.h>
 
-#if defined(_WIN32)
+#if defined( _WIN32 )
 #undef WINGDIAPI
 #undef APIENTRY
 #endif
@@ -45,212 +45,135 @@ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 
 
 
-#if defined(_WIN32)
+#if defined( _WIN32 )
 
 #include <wtypes.h>
 
-int   ( WINAPI * qwglChoosePixelFormat )(HDC, CONST PIXELFORMATDESCRIPTOR *);
-int   ( WINAPI * qwglDescribePixelFormat) (HDC, int, UINT, LPPIXELFORMATDESCRIPTOR);
-int   ( WINAPI * qwglGetPixelFormat)(HDC);
-BOOL  ( WINAPI * qwglSetPixelFormat)(HDC, int, CONST PIXELFORMATDESCRIPTOR *);
-BOOL  ( WINAPI * qwglSwapBuffers)(HDC);
-
-BOOL  ( WINAPI * qwglCopyContext)(HGLRC, HGLRC, UINT);
-HGLRC ( WINAPI * qwglCreateContext)(HDC);
-HGLRC ( WINAPI * qwglCreateLayerContext)(HDC, int);
-BOOL  ( WINAPI * qwglDeleteContext)(HGLRC);
-HGLRC ( WINAPI * qwglGetCurrentContext)(VOID);
-HDC   ( WINAPI * qwglGetCurrentDC)(VOID);
-PROC  ( WINAPI * qwglGetProcAddress)(LPCSTR);
-BOOL  ( WINAPI * qwglMakeCurrent)(HDC, HGLRC);
-BOOL  ( WINAPI * qwglShareLists)(HGLRC, HGLRC);
-BOOL  ( WINAPI * qwglUseFontBitmaps)(HDC, DWORD, DWORD, DWORD);
-
-BOOL  ( WINAPI * qwglUseFontOutlines)(HDC, DWORD, DWORD, DWORD, FLOAT,
-                                     FLOAT, int, LPGLYPHMETRICSFLOAT);
-
-BOOL ( WINAPI * qwglDescribeLayerPlane)(HDC, int, int, UINT, LPLAYERPLANEDESCRIPTOR);
-int  ( WINAPI * qwglSetLayerPaletteEntries)(HDC, int, int, int, CONST COLORREF *);
-int  ( WINAPI * qwglGetLayerPaletteEntries)(HDC, int, int, int, COLORREF *);
-BOOL ( WINAPI * qwglRealizeLayerPalette)(HDC, int, BOOL);
-BOOL ( WINAPI * qwglSwapLayerBuffers)(HDC, UINT);
-
-#elif defined (XWINDOWS)
+PROC ( WINAPI * qwglGetProcAddress )( LPCSTR );
+
+#elif defined ( XWINDOWS )
 
 #include <GL/glx.h>
 #include <dlfcn.h>
 #include <gdk/gdkx.h>
 
-XVisualInfo* (*qglXChooseVisual)(Display *dpy, int screen, int *attribList);
-GLXContext   (*qglXCreateContext)(Display *dpy, XVisualInfo *vis, GLXContext shareList, Bool direct);
-void         (*qglXDestroyContext)(Display *dpy, GLXContext ctx);
-Bool         (*qglXMakeCurrent)(Display *dpy, GLXDrawable drawable, GLXContext ctx);
-void         (*qglXCopyContext)(Display *dpy, GLXContext src, GLXContext dst, GLuint mask);
-void         (*qglXSwapBuffers)( Display *dpy, GLXDrawable drawable );
-GLXPixmap    (*qglXCreateGLXPixmap)( Display *dpy, XVisualInfo *visual, Pixmap pixmap );
-void         (*qglXDestroyGLXPixmap)( Display *dpy, GLXPixmap pixmap );
-Bool         (*qglXQueryExtension)( Display *dpy, int *errorb, int *event );
-Bool         (*qglXQueryVersion)( Display *dpy, int *maj, int *min );
-Bool         (*qglXIsDirect)( Display *dpy, GLXContext ctx );
-int          (*qglXGetConfig)( Display *dpy, XVisualInfo *visual, int attrib, int *value );
-GLXContext   (*qglXGetCurrentContext)( void );
-GLXDrawable  (*qglXGetCurrentDrawable)( void );
-void         (*qglXWaitGL)( void );
-void         (*qglXWaitX)( void );
-void         (*qglXUseXFont)( Font font, int first, int count, int list );
-void*        (*qglXGetProcAddressARB) (const GLubyte *procName);
-typedef void* (*glXGetProcAddressARBProc) (const GLubyte *procName);
+Bool ( *qglXQueryExtension )( Display *dpy, int *errorb, int *event );
+void*        ( *qglXGetProcAddressARB )( const GLubyte * procName );
+typedef void* ( *glXGetProcAddressARBProc )( const GLubyte *procName );
 
 #else
 #error "unsupported platform"
 #endif
 
 
-void QGL_Shutdown(OpenGLBinding& table)
-{
-  globalOutputStream() << "Shutting down OpenGL module...";
-
-#if defined(WIN32)
-  qwglCopyContext              = 0;
-  qwglCreateContext            = 0;
-  qwglCreateLayerContext       = 0;
-  qwglDeleteContext            = 0;
-  qwglDescribeLayerPlane       = 0;
-  qwglGetCurrentContext        = 0;
-  qwglGetCurrentDC             = 0;
-  qwglGetLayerPaletteEntries   = 0;
-  qwglGetProcAddress           = 0;
-  qwglMakeCurrent              = 0;
-  qwglRealizeLayerPalette      = 0;
-  qwglSetLayerPaletteEntries   = 0;
-  qwglShareLists               = 0;
-  qwglSwapLayerBuffers         = 0;
-  qwglUseFontBitmaps           = 0;
-  qwglUseFontOutlines          = 0;
-
-  qwglChoosePixelFormat        = 0;
-  qwglDescribePixelFormat      = 0;
-  qwglGetPixelFormat           = 0;
-  qwglSetPixelFormat           = 0;
-  qwglSwapBuffers              = 0;
-#elif defined(XWINDOWS)
-  qglXChooseVisual             = 0;
-  qglXCreateContext            = 0;
-  qglXDestroyContext           = 0;
-  qglXMakeCurrent              = 0;
-  qglXCopyContext              = 0;
-  qglXSwapBuffers              = 0;
-  qglXCreateGLXPixmap          = 0;
-  qglXDestroyGLXPixmap         = 0;
-  qglXQueryExtension           = 0;
-  qglXQueryVersion             = 0;
-  qglXIsDirect                 = 0;
-  qglXGetConfig                = 0;
-  qglXGetCurrentContext        = 0;
-  qglXGetCurrentDrawable       = 0;
-  qglXWaitGL                   = 0;
-  qglXWaitX                    = 0;
-  qglXUseXFont                 = 0;
-  qglXGetProcAddressARB        = 0;
+void QGL_Shutdown( OpenGLBinding& table ){
+       globalOutputStream() << "Shutting down OpenGL module...";
+
+#if defined( WIN32 )
+       qwglGetProcAddress           = 0;
+#elif defined( XWINDOWS )
+       qglXQueryExtension           = glXQueryExtension;
+       qglXGetProcAddressARB        = 0;
 #else
 #error "unsupported platform"
 #endif
 
-  globalOutputStream() << "Done.\n";
+       globalOutputStream() << "Done.\n";
 }
 
 
 typedef struct glu_error_struct
 {
-    GLenum     errnum;
-    const char *errstr;
+       GLenum errnum;
+       const char *errstr;
 } GLU_ERROR_STRUCT;
 
 GLU_ERROR_STRUCT glu_errlist[] = {
-  {GL_NO_ERROR, "GL_NO_ERROR - no error"},
-  {GL_INVALID_ENUM, "GL_INVALID_ENUM - An unacceptable value is specified for an enumerated argument."},
-  {GL_INVALID_VALUE, "GL_INVALID_VALUE - A numeric argument is out of range."},
-  {GL_INVALID_OPERATION, "GL_INVALID_OPERATION - The specified operation is not allowed in the current state."},
-  {GL_STACK_OVERFLOW, "GL_STACK_OVERFLOW - Function would cause a stack overflow."},
-  {GL_STACK_UNDERFLOW, "GL_STACK_UNDERFLOW - Function would cause a stack underflow."},
-  {GL_OUT_OF_MEMORY, "GL_OUT_OF_MEMORY - There is not enough memory left to execute the function."},
-  {0, 0}
+       {GL_NO_ERROR, "GL_NO_ERROR - no error"},
+       {GL_INVALID_ENUM, "GL_INVALID_ENUM - An unacceptable value is specified for an enumerated argument."},
+       {GL_INVALID_VALUE, "GL_INVALID_VALUE - A numeric argument is out of range."},
+       {GL_INVALID_OPERATION, "GL_INVALID_OPERATION - The specified operation is not allowed in the current state."},
+       {GL_STACK_OVERFLOW, "GL_STACK_OVERFLOW - Function would cause a stack overflow."},
+       {GL_STACK_UNDERFLOW, "GL_STACK_UNDERFLOW - Function would cause a stack underflow."},
+       {GL_OUT_OF_MEMORY, "GL_OUT_OF_MEMORY - There is not enough memory left to execute the function."},
+       {0, 0}
 };
 
-const GLubyte* qgluErrorString(GLenum errCode )
-{
-  int search = 0;
-  for (search = 0; glu_errlist[search].errstr; search++)
-  {
-    if (errCode == glu_errlist[search].errnum)
-      return (const GLubyte *)glu_errlist[search].errstr;
-  } //end for
-  return (const GLubyte *)"Unknown error";
+const GLubyte* qgluErrorString( GLenum errCode ){
+       int search = 0;
+       for ( search = 0; glu_errlist[search].errstr; search++ )
+       {
+               if ( errCode == glu_errlist[search].errnum ) {
+                       return (const GLubyte *)glu_errlist[search].errstr;
+               }
+       } //end for
+       return (const GLubyte *)"Unknown error";
 }
 
 
-void glInvalidFunction()
-{
-  ERROR_MESSAGE("calling an invalid OpenGL function");
+void glInvalidFunction(){
+       ERROR_MESSAGE( "calling an invalid OpenGL function" );
 }
 
 #define EXTENSIONS_ENABLED 1
 
-bool QGL_ExtensionSupported(const char* extension)
-{
+bool QGL_ExtensionSupported( const char* extension ){
 #if EXTENSIONS_ENABLED
-  const GLubyte *extensions = 0;
-  const GLubyte *start;
-  GLubyte *where, *terminator;
+       const GLubyte *extensions = 0;
+       const GLubyte *start;
+       GLubyte *where, *terminator;
 
-  // Extension names should not have spaces.
-  where = (GLubyte *) strchr (extension, ' ');
-  if (where || *extension == '\0')
-    return false;
+       // Extension names should not have spaces.
+       where = (GLubyte *) strchr( extension, ' ' );
+       if ( where || *extension == '\0' ) {
+               return false;
+       }
 
-  extensions = GlobalOpenGL().m_glGetString (GL_EXTENSIONS);
+       extensions = GlobalOpenGL().m_glGetString( GL_EXTENSIONS );
 #ifndef __APPLE__
-  if (!extensions)
-    return false;
+       if ( !extensions ) {
+               return false;
+       }
 #endif
 
-  // It takes a bit of care to be fool-proof about parsing the
-  // OpenGL extensions string. Don't be fooled by sub-strings, etc.
-  for (start = extensions; ;)
-  {
-    where = (GLubyte *) strstr ((const char *) start, extension);
-    if (!where)
-      break;
-
-    terminator = where + strlen (extension);
-    if (where == start || *(where - 1) == ' ')
-      if (*terminator == ' ' || *terminator == '\0')
-        return true;
-
-    start = terminator;
-  }
+       // It takes a bit of care to be fool-proof about parsing the
+       // OpenGL extensions string. Don't be fooled by sub-strings, etc.
+       for ( start = extensions; ; )
+       {
+               where = (GLubyte *) strstr( (const char *) start, extension );
+               if ( !where ) {
+                       break;
+               }
+
+               terminator = where + strlen( extension );
+               if ( where == start || *( where - 1 ) == ' ' ) {
+                       if ( *terminator == ' ' || *terminator == '\0' ) {
+                               return true;
+                       }
+               }
+
+               start = terminator;
+       }
 #endif
 
-  return false;
+       return false;
 }
 
-typedef int (QGL_DLLEXPORT *QGLFunctionPointer)();
-
-QGLFunctionPointer QGL_getExtensionFunc(const char* symbol)
-{
-#if defined(XWINDOWS)
-  //ASSERT_NOTNULL(qglXGetProcAddressARB);
-  if (qglXGetProcAddressARB == 0)
-  {
-    return reinterpret_cast<QGLFunctionPointer>(glInvalidFunction);
-  }
-  else
-  {
-    return (QGLFunctionPointer)qglXGetProcAddressARB(reinterpret_cast<const GLubyte*>(symbol));
-  }
-#elif defined(WIN32)
-  ASSERT_NOTNULL(qwglGetProcAddress);
-  return qwglGetProcAddress(symbol);
+typedef int ( QGL_DLLEXPORT * QGLFunctionPointer )();
+
+QGLFunctionPointer QGL_getExtensionFunc( const char* symbol ){
+#if defined( XWINDOWS )
+       //ASSERT_NOTNULL(qglXGetProcAddressARB);
+       if ( qglXGetProcAddressARB == 0 ) {
+               return reinterpret_cast<QGLFunctionPointer>( glInvalidFunction );
+       }
+       else
+       {
+               return (QGLFunctionPointer) qglXGetProcAddressARB( reinterpret_cast<const GLubyte*>( symbol ) );
+       }
+#elif defined( WIN32 )
+       ASSERT_NOTNULL( qwglGetProcAddress );
+       return (QGLFunctionPointer) qwglGetProcAddress( symbol );
 #else
 #error "unsupported platform"
 #endif
@@ -258,1397 +181,1320 @@ QGLFunctionPointer QGL_getExtensionFunc(const char* symbol)
 
 
 template<typename Func>
-bool QGL_constructExtensionFunc(Func& func, const char* symbol)
-{
-  func = reinterpret_cast<Func>(QGL_getExtensionFunc(symbol));
-  return func != 0;
+bool QGL_constructExtensionFunc( Func& func, const char* symbol ){
+       func = reinterpret_cast<Func>( QGL_getExtensionFunc( symbol ) );
+       return func != 0;
 }
 
 template<typename Func>
-void QGL_invalidateExtensionFunc(Func& func)
-{
-  func = reinterpret_cast<Func>(glInvalidFunction);
+void QGL_invalidateExtensionFunc( Func& func ){
+       func = reinterpret_cast<Func>( glInvalidFunction );
 }
 
-void QGL_clear(OpenGLBinding& table)
-{
-  QGL_invalidateExtensionFunc(table.m_glAccum);
-  QGL_invalidateExtensionFunc(table.m_glAlphaFunc);
-  QGL_invalidateExtensionFunc(table.m_glAreTexturesResident);
-  QGL_invalidateExtensionFunc(table.m_glArrayElement);
-  QGL_invalidateExtensionFunc(table.m_glBegin);
-  QGL_invalidateExtensionFunc(table.m_glBindTexture);
-  QGL_invalidateExtensionFunc(table.m_glBitmap);
-  QGL_invalidateExtensionFunc(table.m_glBlendFunc);
-  QGL_invalidateExtensionFunc(table.m_glCallList);
-  QGL_invalidateExtensionFunc(table.m_glCallLists);
-  QGL_invalidateExtensionFunc(table.m_glClear);
-  QGL_invalidateExtensionFunc(table.m_glClearAccum);
-  QGL_invalidateExtensionFunc(table.m_glClearColor);
-  QGL_invalidateExtensionFunc(table.m_glClearDepth);
-  QGL_invalidateExtensionFunc(table.m_glClearIndex);
-  QGL_invalidateExtensionFunc(table.m_glClearStencil);
-  QGL_invalidateExtensionFunc(table.m_glClipPlane);
-  QGL_invalidateExtensionFunc(table.m_glColor3b);
-  QGL_invalidateExtensionFunc(table.m_glColor3bv);
-  QGL_invalidateExtensionFunc(table.m_glColor3d);
-  QGL_invalidateExtensionFunc(table.m_glColor3dv);
-  QGL_invalidateExtensionFunc(table.m_glColor3f);
-  QGL_invalidateExtensionFunc(table.m_glColor3fv);
-  QGL_invalidateExtensionFunc(table.m_glColor3i);
-  QGL_invalidateExtensionFunc(table.m_glColor3iv);
-  QGL_invalidateExtensionFunc(table.m_glColor3s);
-  QGL_invalidateExtensionFunc(table.m_glColor3sv);
-  QGL_invalidateExtensionFunc(table.m_glColor3ub);
-  QGL_invalidateExtensionFunc(table.m_glColor3ubv);
-  QGL_invalidateExtensionFunc(table.m_glColor3ui);
-  QGL_invalidateExtensionFunc(table.m_glColor3uiv);
-  QGL_invalidateExtensionFunc(table.m_glColor3us);
-  QGL_invalidateExtensionFunc(table.m_glColor3usv);
-  QGL_invalidateExtensionFunc(table.m_glColor4b);
-  QGL_invalidateExtensionFunc(table.m_glColor4bv);
-  QGL_invalidateExtensionFunc(table.m_glColor4d);
-  QGL_invalidateExtensionFunc(table.m_glColor4dv);
-  QGL_invalidateExtensionFunc(table.m_glColor4f);
-  QGL_invalidateExtensionFunc(table.m_glColor4fv);
-  QGL_invalidateExtensionFunc(table.m_glColor4i);
-  QGL_invalidateExtensionFunc(table.m_glColor4iv);
-  QGL_invalidateExtensionFunc(table.m_glColor4s);
-  QGL_invalidateExtensionFunc(table.m_glColor4sv);
-  QGL_invalidateExtensionFunc(table.m_glColor4ub);
-  QGL_invalidateExtensionFunc(table.m_glColor4ubv);
-  QGL_invalidateExtensionFunc(table.m_glColor4ui);
-  QGL_invalidateExtensionFunc(table.m_glColor4uiv);
-  QGL_invalidateExtensionFunc(table.m_glColor4us);
-  QGL_invalidateExtensionFunc(table.m_glColor4usv);
-  QGL_invalidateExtensionFunc(table.m_glColorMask);
-  QGL_invalidateExtensionFunc(table.m_glColorMaterial);
-  QGL_invalidateExtensionFunc(table.m_glColorPointer);
-  QGL_invalidateExtensionFunc(table.m_glCopyPixels);
-  QGL_invalidateExtensionFunc(table.m_glCopyTexImage1D);
-  QGL_invalidateExtensionFunc(table.m_glCopyTexImage2D);
-  QGL_invalidateExtensionFunc(table.m_glCopyTexSubImage1D);
-  QGL_invalidateExtensionFunc(table.m_glCopyTexSubImage2D);
-  QGL_invalidateExtensionFunc(table.m_glCullFace);
-  QGL_invalidateExtensionFunc(table.m_glDeleteLists);
-  QGL_invalidateExtensionFunc(table.m_glDeleteTextures);
-  QGL_invalidateExtensionFunc(table.m_glDepthFunc);
-  QGL_invalidateExtensionFunc(table.m_glDepthMask);
-  QGL_invalidateExtensionFunc(table.m_glDepthRange);
-  QGL_invalidateExtensionFunc(table.m_glDisable);
-  QGL_invalidateExtensionFunc(table.m_glDisableClientState);
-  QGL_invalidateExtensionFunc(table.m_glDrawArrays);
-  QGL_invalidateExtensionFunc(table.m_glDrawBuffer);
-  QGL_invalidateExtensionFunc(table.m_glDrawElements);
-  QGL_invalidateExtensionFunc(table.m_glDrawPixels);
-  QGL_invalidateExtensionFunc(table.m_glEdgeFlag);
-  QGL_invalidateExtensionFunc(table.m_glEdgeFlagPointer);
-  QGL_invalidateExtensionFunc(table.m_glEdgeFlagv);
-  QGL_invalidateExtensionFunc(table.m_glEnable);
-  QGL_invalidateExtensionFunc(table.m_glEnableClientState);
-  QGL_invalidateExtensionFunc(table.m_glEnd);
-  QGL_invalidateExtensionFunc(table.m_glEndList);
-  QGL_invalidateExtensionFunc(table.m_glEvalCoord1d);
-  QGL_invalidateExtensionFunc(table.m_glEvalCoord1dv);
-  QGL_invalidateExtensionFunc(table.m_glEvalCoord1f);
-  QGL_invalidateExtensionFunc(table.m_glEvalCoord1fv);
-  QGL_invalidateExtensionFunc(table.m_glEvalCoord2d);
-  QGL_invalidateExtensionFunc(table.m_glEvalCoord2dv);
-  QGL_invalidateExtensionFunc(table.m_glEvalCoord2f);
-  QGL_invalidateExtensionFunc(table.m_glEvalCoord2fv);
-  QGL_invalidateExtensionFunc(table.m_glEvalMesh1);
-  QGL_invalidateExtensionFunc(table.m_glEvalMesh2);
-  QGL_invalidateExtensionFunc(table.m_glEvalPoint1);
-  QGL_invalidateExtensionFunc(table.m_glEvalPoint2);
-  QGL_invalidateExtensionFunc(table.m_glFeedbackBuffer);
-  QGL_invalidateExtensionFunc(table.m_glFinish);
-  QGL_invalidateExtensionFunc(table.m_glFlush);
-  QGL_invalidateExtensionFunc(table.m_glFogf);
-  QGL_invalidateExtensionFunc(table.m_glFogfv);
-  QGL_invalidateExtensionFunc(table.m_glFogi);
-  QGL_invalidateExtensionFunc(table.m_glFogiv);
-  QGL_invalidateExtensionFunc(table.m_glFrontFace);
-  QGL_invalidateExtensionFunc(table.m_glFrustum);
-  QGL_invalidateExtensionFunc(table.m_glGenLists);
-  QGL_invalidateExtensionFunc(table.m_glGenTextures);
-  QGL_invalidateExtensionFunc(table.m_glGetBooleanv);
-  QGL_invalidateExtensionFunc(table.m_glGetClipPlane);
-  QGL_invalidateExtensionFunc(table.m_glGetDoublev);
-  QGL_invalidateExtensionFunc(table.m_glGetError);
-  QGL_invalidateExtensionFunc(table.m_glGetFloatv);
-  QGL_invalidateExtensionFunc(table.m_glGetIntegerv);
-  QGL_invalidateExtensionFunc(table.m_glGetLightfv);
-  QGL_invalidateExtensionFunc(table.m_glGetLightiv);
-  QGL_invalidateExtensionFunc(table.m_glGetMapdv);
-  QGL_invalidateExtensionFunc(table.m_glGetMapfv);
-  QGL_invalidateExtensionFunc(table.m_glGetMapiv);
-  QGL_invalidateExtensionFunc(table.m_glGetMaterialfv);
-  QGL_invalidateExtensionFunc(table.m_glGetMaterialiv);
-  QGL_invalidateExtensionFunc(table.m_glGetPixelMapfv);
-  QGL_invalidateExtensionFunc(table.m_glGetPixelMapuiv);
-  QGL_invalidateExtensionFunc(table.m_glGetPixelMapusv);
-  QGL_invalidateExtensionFunc(table.m_glGetPointerv);
-  QGL_invalidateExtensionFunc(table.m_glGetPolygonStipple);
-  table.m_glGetString = glGetString;
-  QGL_invalidateExtensionFunc(table.m_glGetTexEnvfv);
-  QGL_invalidateExtensionFunc(table.m_glGetTexEnviv);
-  QGL_invalidateExtensionFunc(table.m_glGetTexGendv);
-  QGL_invalidateExtensionFunc(table.m_glGetTexGenfv);
-  QGL_invalidateExtensionFunc(table.m_glGetTexGeniv);
-  QGL_invalidateExtensionFunc(table.m_glGetTexImage);
-  QGL_invalidateExtensionFunc(table.m_glGetTexLevelParameterfv);
-  QGL_invalidateExtensionFunc(table.m_glGetTexLevelParameteriv);
-  QGL_invalidateExtensionFunc(table.m_glGetTexParameterfv);
-  QGL_invalidateExtensionFunc(table.m_glGetTexParameteriv);
-  QGL_invalidateExtensionFunc(table.m_glHint);
-  QGL_invalidateExtensionFunc(table.m_glIndexMask);
-  QGL_invalidateExtensionFunc(table.m_glIndexPointer);
-  QGL_invalidateExtensionFunc(table.m_glIndexd);
-  QGL_invalidateExtensionFunc(table.m_glIndexdv);
-  QGL_invalidateExtensionFunc(table.m_glIndexf);
-  QGL_invalidateExtensionFunc(table.m_glIndexfv);
-  QGL_invalidateExtensionFunc(table.m_glIndexi);
-  QGL_invalidateExtensionFunc(table.m_glIndexiv);
-  QGL_invalidateExtensionFunc(table.m_glIndexs);
-  QGL_invalidateExtensionFunc(table.m_glIndexsv);
-  QGL_invalidateExtensionFunc(table.m_glIndexub);
-  QGL_invalidateExtensionFunc(table.m_glIndexubv);
-  QGL_invalidateExtensionFunc(table.m_glInitNames);
-  QGL_invalidateExtensionFunc(table.m_glInterleavedArrays);
-  QGL_invalidateExtensionFunc(table.m_glIsEnabled);
-  QGL_invalidateExtensionFunc(table.m_glIsList);
-  QGL_invalidateExtensionFunc(table.m_glIsTexture);
-  QGL_invalidateExtensionFunc(table.m_glLightModelf);
-  QGL_invalidateExtensionFunc(table.m_glLightModelfv);
-  QGL_invalidateExtensionFunc(table.m_glLightModeli);
-  QGL_invalidateExtensionFunc(table.m_glLightModeliv);
-  QGL_invalidateExtensionFunc(table.m_glLightf);
-  QGL_invalidateExtensionFunc(table.m_glLightfv);
-  QGL_invalidateExtensionFunc(table.m_glLighti);
-  QGL_invalidateExtensionFunc(table.m_glLightiv);
-  QGL_invalidateExtensionFunc(table.m_glLineStipple);
-  QGL_invalidateExtensionFunc(table.m_glLineWidth);
-  QGL_invalidateExtensionFunc(table.m_glListBase);
-  QGL_invalidateExtensionFunc(table.m_glLoadIdentity);
-  QGL_invalidateExtensionFunc(table.m_glLoadMatrixd);
-  QGL_invalidateExtensionFunc(table.m_glLoadMatrixf);
-  QGL_invalidateExtensionFunc(table.m_glLoadName);
-  QGL_invalidateExtensionFunc(table.m_glLogicOp);
-  QGL_invalidateExtensionFunc(table.m_glMap1d);
-  QGL_invalidateExtensionFunc(table.m_glMap1f);
-  QGL_invalidateExtensionFunc(table.m_glMap2d);
-  QGL_invalidateExtensionFunc(table.m_glMap2f);
-  QGL_invalidateExtensionFunc(table.m_glMapGrid1d);
-  QGL_invalidateExtensionFunc(table.m_glMapGrid1f);
-  QGL_invalidateExtensionFunc(table.m_glMapGrid2d);
-  QGL_invalidateExtensionFunc(table.m_glMapGrid2f);
-  QGL_invalidateExtensionFunc(table.m_glMaterialf);
-  QGL_invalidateExtensionFunc(table.m_glMaterialfv);
-  QGL_invalidateExtensionFunc(table.m_glMateriali);
-  QGL_invalidateExtensionFunc(table.m_glMaterialiv);
-  QGL_invalidateExtensionFunc(table.m_glMatrixMode);
-  QGL_invalidateExtensionFunc(table.m_glMultMatrixd);
-  QGL_invalidateExtensionFunc(table.m_glMultMatrixf);
-  QGL_invalidateExtensionFunc(table.m_glNewList);
-  QGL_invalidateExtensionFunc(table.m_glNormal3b);
-  QGL_invalidateExtensionFunc(table.m_glNormal3bv);
-  QGL_invalidateExtensionFunc(table.m_glNormal3d);
-  QGL_invalidateExtensionFunc(table.m_glNormal3dv);
-  QGL_invalidateExtensionFunc(table.m_glNormal3f);
-  QGL_invalidateExtensionFunc(table.m_glNormal3fv);
-  QGL_invalidateExtensionFunc(table.m_glNormal3i);
-  QGL_invalidateExtensionFunc(table.m_glNormal3iv);
-  QGL_invalidateExtensionFunc(table.m_glNormal3s);
-  QGL_invalidateExtensionFunc(table.m_glNormal3sv);
-  QGL_invalidateExtensionFunc(table.m_glNormalPointer);
-  QGL_invalidateExtensionFunc(table.m_glOrtho);
-  QGL_invalidateExtensionFunc(table.m_glPassThrough);
-  QGL_invalidateExtensionFunc(table.m_glPixelMapfv);
-  QGL_invalidateExtensionFunc(table.m_glPixelMapuiv);
-  QGL_invalidateExtensionFunc(table.m_glPixelMapusv);
-  QGL_invalidateExtensionFunc(table.m_glPixelStoref);
-  QGL_invalidateExtensionFunc(table.m_glPixelStorei);
-  QGL_invalidateExtensionFunc(table.m_glPixelTransferf);
-  QGL_invalidateExtensionFunc(table.m_glPixelTransferi);
-  QGL_invalidateExtensionFunc(table.m_glPixelZoom);
-  QGL_invalidateExtensionFunc(table.m_glPointSize);
-  QGL_invalidateExtensionFunc(table.m_glPolygonMode);
-  QGL_invalidateExtensionFunc(table.m_glPolygonOffset);
-  QGL_invalidateExtensionFunc(table.m_glPolygonStipple);
-  QGL_invalidateExtensionFunc(table.m_glPopAttrib);
-  QGL_invalidateExtensionFunc(table.m_glPopClientAttrib);
-  QGL_invalidateExtensionFunc(table.m_glPopMatrix);
-  QGL_invalidateExtensionFunc(table.m_glPopName);
-  QGL_invalidateExtensionFunc(table.m_glPrioritizeTextures);
-  QGL_invalidateExtensionFunc(table.m_glPushAttrib);
-  QGL_invalidateExtensionFunc(table.m_glPushClientAttrib);
-  QGL_invalidateExtensionFunc(table.m_glPushMatrix);
-  QGL_invalidateExtensionFunc(table.m_glPushName);
-  QGL_invalidateExtensionFunc(table.m_glRasterPos2d);
-  QGL_invalidateExtensionFunc(table.m_glRasterPos2dv);
-  QGL_invalidateExtensionFunc(table.m_glRasterPos2f);
-  QGL_invalidateExtensionFunc(table.m_glRasterPos2fv);
-  QGL_invalidateExtensionFunc(table.m_glRasterPos2i);
-  QGL_invalidateExtensionFunc(table.m_glRasterPos2iv);
-  QGL_invalidateExtensionFunc(table.m_glRasterPos2s);
-  QGL_invalidateExtensionFunc(table.m_glRasterPos2sv);
-  QGL_invalidateExtensionFunc(table.m_glRasterPos3d);
-  QGL_invalidateExtensionFunc(table.m_glRasterPos3dv);
-  QGL_invalidateExtensionFunc(table.m_glRasterPos3f);
-  QGL_invalidateExtensionFunc(table.m_glRasterPos3fv);
-  QGL_invalidateExtensionFunc(table.m_glRasterPos3i);
-  QGL_invalidateExtensionFunc(table.m_glRasterPos3iv);
-  QGL_invalidateExtensionFunc(table.m_glRasterPos3s);
-  QGL_invalidateExtensionFunc(table.m_glRasterPos3sv);
-  QGL_invalidateExtensionFunc(table.m_glRasterPos4d);
-  QGL_invalidateExtensionFunc(table.m_glRasterPos4dv);
-  QGL_invalidateExtensionFunc(table.m_glRasterPos4f);
-  QGL_invalidateExtensionFunc(table.m_glRasterPos4fv);
-  QGL_invalidateExtensionFunc(table.m_glRasterPos4i);
-  QGL_invalidateExtensionFunc(table.m_glRasterPos4iv);
-  QGL_invalidateExtensionFunc(table.m_glRasterPos4s);
-  QGL_invalidateExtensionFunc(table.m_glRasterPos4sv);
-  QGL_invalidateExtensionFunc(table.m_glReadBuffer);
-  QGL_invalidateExtensionFunc(table.m_glReadPixels);
-  QGL_invalidateExtensionFunc(table.m_glRectd);
-  QGL_invalidateExtensionFunc(table.m_glRectdv);
-  QGL_invalidateExtensionFunc(table.m_glRectf);
-  QGL_invalidateExtensionFunc(table.m_glRectfv);
-  QGL_invalidateExtensionFunc(table.m_glRecti);
-  QGL_invalidateExtensionFunc(table.m_glRectiv);
-  QGL_invalidateExtensionFunc(table.m_glRects);
-  QGL_invalidateExtensionFunc(table.m_glRectsv);
-  QGL_invalidateExtensionFunc(table.m_glRenderMode);
-  QGL_invalidateExtensionFunc(table.m_glRotated);
-  QGL_invalidateExtensionFunc(table.m_glRotatef);
-  QGL_invalidateExtensionFunc(table.m_glScaled);
-  QGL_invalidateExtensionFunc(table.m_glScalef);
-  QGL_invalidateExtensionFunc(table.m_glScissor);
-  QGL_invalidateExtensionFunc(table.m_glSelectBuffer);
-  QGL_invalidateExtensionFunc(table.m_glShadeModel);
-  QGL_invalidateExtensionFunc(table.m_glStencilFunc);
-  QGL_invalidateExtensionFunc(table.m_glStencilMask);
-  QGL_invalidateExtensionFunc(table.m_glStencilOp);
-  QGL_invalidateExtensionFunc(table.m_glTexCoord1d);
-  QGL_invalidateExtensionFunc(table.m_glTexCoord1dv);
-  QGL_invalidateExtensionFunc(table.m_glTexCoord1f);
-  QGL_invalidateExtensionFunc(table.m_glTexCoord1fv);
-  QGL_invalidateExtensionFunc(table.m_glTexCoord1i);
-  QGL_invalidateExtensionFunc(table.m_glTexCoord1iv);
-  QGL_invalidateExtensionFunc(table.m_glTexCoord1s);
-  QGL_invalidateExtensionFunc(table.m_glTexCoord1sv);
-  QGL_invalidateExtensionFunc(table.m_glTexCoord2d);
-  QGL_invalidateExtensionFunc(table.m_glTexCoord2dv);
-  QGL_invalidateExtensionFunc(table.m_glTexCoord2f);
-  QGL_invalidateExtensionFunc(table.m_glTexCoord2fv);
-  QGL_invalidateExtensionFunc(table.m_glTexCoord2i);
-  QGL_invalidateExtensionFunc(table.m_glTexCoord2iv);
-  QGL_invalidateExtensionFunc(table.m_glTexCoord2s);
-  QGL_invalidateExtensionFunc(table.m_glTexCoord2sv);
-  QGL_invalidateExtensionFunc(table.m_glTexCoord3d);
-  QGL_invalidateExtensionFunc(table.m_glTexCoord3dv);
-  QGL_invalidateExtensionFunc(table.m_glTexCoord3f);
-  QGL_invalidateExtensionFunc(table.m_glTexCoord3fv);
-  QGL_invalidateExtensionFunc(table.m_glTexCoord3i);
-  QGL_invalidateExtensionFunc(table.m_glTexCoord3iv);
-  QGL_invalidateExtensionFunc(table.m_glTexCoord3s);
-  QGL_invalidateExtensionFunc(table.m_glTexCoord3sv);
-  QGL_invalidateExtensionFunc(table.m_glTexCoord4d);
-  QGL_invalidateExtensionFunc(table.m_glTexCoord4dv);
-  QGL_invalidateExtensionFunc(table.m_glTexCoord4f);
-  QGL_invalidateExtensionFunc(table.m_glTexCoord4fv);
-  QGL_invalidateExtensionFunc(table.m_glTexCoord4i);
-  QGL_invalidateExtensionFunc(table.m_glTexCoord4iv);
-  QGL_invalidateExtensionFunc(table.m_glTexCoord4s);
-  QGL_invalidateExtensionFunc(table.m_glTexCoord4sv);
-  QGL_invalidateExtensionFunc(table.m_glTexCoordPointer);
-  QGL_invalidateExtensionFunc(table.m_glTexEnvf);
-  QGL_invalidateExtensionFunc(table.m_glTexEnvfv);
-  QGL_invalidateExtensionFunc(table.m_glTexEnvi);
-  QGL_invalidateExtensionFunc(table.m_glTexEnviv);
-  QGL_invalidateExtensionFunc(table.m_glTexGend);
-  QGL_invalidateExtensionFunc(table.m_glTexGendv);
-  QGL_invalidateExtensionFunc(table.m_glTexGenf);
-  QGL_invalidateExtensionFunc(table.m_glTexGenfv);
-  QGL_invalidateExtensionFunc(table.m_glTexGeni);
-  QGL_invalidateExtensionFunc(table.m_glTexGeniv);
-  QGL_invalidateExtensionFunc(table.m_glTexImage1D);
-  QGL_invalidateExtensionFunc(table.m_glTexImage2D);
-  QGL_invalidateExtensionFunc(table.m_glTexParameterf);
-  QGL_invalidateExtensionFunc(table.m_glTexParameterfv);
-  QGL_invalidateExtensionFunc(table.m_glTexParameteri);
-  QGL_invalidateExtensionFunc(table.m_glTexParameteriv);
-  QGL_invalidateExtensionFunc(table.m_glTexSubImage1D);
-  QGL_invalidateExtensionFunc(table.m_glTexSubImage2D);
-  QGL_invalidateExtensionFunc(table.m_glTranslated);
-  QGL_invalidateExtensionFunc(table.m_glTranslatef);
-  QGL_invalidateExtensionFunc(table.m_glVertex2d);
-  QGL_invalidateExtensionFunc(table.m_glVertex2dv);
-  QGL_invalidateExtensionFunc(table.m_glVertex2f);
-  QGL_invalidateExtensionFunc(table.m_glVertex2fv);
-  QGL_invalidateExtensionFunc(table.m_glVertex2i);
-  QGL_invalidateExtensionFunc(table.m_glVertex2iv);
-  QGL_invalidateExtensionFunc(table.m_glVertex2s);
-  QGL_invalidateExtensionFunc(table.m_glVertex2sv);
-  QGL_invalidateExtensionFunc(table.m_glVertex3d);
-  QGL_invalidateExtensionFunc(table.m_glVertex3dv);
-  QGL_invalidateExtensionFunc(table.m_glVertex3f);
-  QGL_invalidateExtensionFunc(table.m_glVertex3fv);
-  QGL_invalidateExtensionFunc(table.m_glVertex3i);
-  QGL_invalidateExtensionFunc(table.m_glVertex3iv);
-  QGL_invalidateExtensionFunc(table.m_glVertex3s);
-  QGL_invalidateExtensionFunc(table.m_glVertex3sv);
-  QGL_invalidateExtensionFunc(table.m_glVertex4d);
-  QGL_invalidateExtensionFunc(table.m_glVertex4dv);
-  QGL_invalidateExtensionFunc(table.m_glVertex4f);
-  QGL_invalidateExtensionFunc(table.m_glVertex4fv);
-  QGL_invalidateExtensionFunc(table.m_glVertex4i);
-  QGL_invalidateExtensionFunc(table.m_glVertex4iv);
-  QGL_invalidateExtensionFunc(table.m_glVertex4s);
-  QGL_invalidateExtensionFunc(table.m_glVertex4sv);
-  QGL_invalidateExtensionFunc(table.m_glVertexPointer);
-  QGL_invalidateExtensionFunc(table.m_glViewport);
+void QGL_clear( OpenGLBinding& table ){
+       QGL_invalidateExtensionFunc( table.m_glAccum );
+       QGL_invalidateExtensionFunc( table.m_glAlphaFunc );
+       QGL_invalidateExtensionFunc( table.m_glAreTexturesResident );
+       QGL_invalidateExtensionFunc( table.m_glArrayElement );
+       QGL_invalidateExtensionFunc( table.m_glBegin );
+       QGL_invalidateExtensionFunc( table.m_glBindTexture );
+       QGL_invalidateExtensionFunc( table.m_glBitmap );
+       QGL_invalidateExtensionFunc( table.m_glBlendFunc );
+       QGL_invalidateExtensionFunc( table.m_glCallList );
+       QGL_invalidateExtensionFunc( table.m_glCallLists );
+       QGL_invalidateExtensionFunc( table.m_glClear );
+       QGL_invalidateExtensionFunc( table.m_glClearAccum );
+       QGL_invalidateExtensionFunc( table.m_glClearColor );
+       QGL_invalidateExtensionFunc( table.m_glClearDepth );
+       QGL_invalidateExtensionFunc( table.m_glClearIndex );
+       QGL_invalidateExtensionFunc( table.m_glClearStencil );
+       QGL_invalidateExtensionFunc( table.m_glClipPlane );
+       QGL_invalidateExtensionFunc( table.m_glColor3b );
+       QGL_invalidateExtensionFunc( table.m_glColor3bv );
+       QGL_invalidateExtensionFunc( table.m_glColor3d );
+       QGL_invalidateExtensionFunc( table.m_glColor3dv );
+       QGL_invalidateExtensionFunc( table.m_glColor3f );
+       QGL_invalidateExtensionFunc( table.m_glColor3fv );
+       QGL_invalidateExtensionFunc( table.m_glColor3i );
+       QGL_invalidateExtensionFunc( table.m_glColor3iv );
+       QGL_invalidateExtensionFunc( table.m_glColor3s );
+       QGL_invalidateExtensionFunc( table.m_glColor3sv );
+       QGL_invalidateExtensionFunc( table.m_glColor3ub );
+       QGL_invalidateExtensionFunc( table.m_glColor3ubv );
+       QGL_invalidateExtensionFunc( table.m_glColor3ui );
+       QGL_invalidateExtensionFunc( table.m_glColor3uiv );
+       QGL_invalidateExtensionFunc( table.m_glColor3us );
+       QGL_invalidateExtensionFunc( table.m_glColor3usv );
+       QGL_invalidateExtensionFunc( table.m_glColor4b );
+       QGL_invalidateExtensionFunc( table.m_glColor4bv );
+       QGL_invalidateExtensionFunc( table.m_glColor4d );
+       QGL_invalidateExtensionFunc( table.m_glColor4dv );
+       QGL_invalidateExtensionFunc( table.m_glColor4f );
+       QGL_invalidateExtensionFunc( table.m_glColor4fv );
+       QGL_invalidateExtensionFunc( table.m_glColor4i );
+       QGL_invalidateExtensionFunc( table.m_glColor4iv );
+       QGL_invalidateExtensionFunc( table.m_glColor4s );
+       QGL_invalidateExtensionFunc( table.m_glColor4sv );
+       QGL_invalidateExtensionFunc( table.m_glColor4ub );
+       QGL_invalidateExtensionFunc( table.m_glColor4ubv );
+       QGL_invalidateExtensionFunc( table.m_glColor4ui );
+       QGL_invalidateExtensionFunc( table.m_glColor4uiv );
+       QGL_invalidateExtensionFunc( table.m_glColor4us );
+       QGL_invalidateExtensionFunc( table.m_glColor4usv );
+       QGL_invalidateExtensionFunc( table.m_glColorMask );
+       QGL_invalidateExtensionFunc( table.m_glColorMaterial );
+       QGL_invalidateExtensionFunc( table.m_glColorPointer );
+       QGL_invalidateExtensionFunc( table.m_glCopyPixels );
+       QGL_invalidateExtensionFunc( table.m_glCopyTexImage1D );
+       QGL_invalidateExtensionFunc( table.m_glCopyTexImage2D );
+       QGL_invalidateExtensionFunc( table.m_glCopyTexSubImage1D );
+       QGL_invalidateExtensionFunc( table.m_glCopyTexSubImage2D );
+       QGL_invalidateExtensionFunc( table.m_glCullFace );
+       QGL_invalidateExtensionFunc( table.m_glDeleteLists );
+       QGL_invalidateExtensionFunc( table.m_glDeleteTextures );
+       QGL_invalidateExtensionFunc( table.m_glDepthFunc );
+       QGL_invalidateExtensionFunc( table.m_glDepthMask );
+       QGL_invalidateExtensionFunc( table.m_glDepthRange );
+       QGL_invalidateExtensionFunc( table.m_glDisable );
+       QGL_invalidateExtensionFunc( table.m_glDisableClientState );
+       QGL_invalidateExtensionFunc( table.m_glDrawArrays );
+       QGL_invalidateExtensionFunc( table.m_glDrawBuffer );
+       QGL_invalidateExtensionFunc( table.m_glDrawElements );
+       QGL_invalidateExtensionFunc( table.m_glDrawPixels );
+       QGL_invalidateExtensionFunc( table.m_glEdgeFlag );
+       QGL_invalidateExtensionFunc( table.m_glEdgeFlagPointer );
+       QGL_invalidateExtensionFunc( table.m_glEdgeFlagv );
+       QGL_invalidateExtensionFunc( table.m_glEnable );
+       QGL_invalidateExtensionFunc( table.m_glEnableClientState );
+       QGL_invalidateExtensionFunc( table.m_glEnd );
+       QGL_invalidateExtensionFunc( table.m_glEndList );
+       QGL_invalidateExtensionFunc( table.m_glEvalCoord1d );
+       QGL_invalidateExtensionFunc( table.m_glEvalCoord1dv );
+       QGL_invalidateExtensionFunc( table.m_glEvalCoord1f );
+       QGL_invalidateExtensionFunc( table.m_glEvalCoord1fv );
+       QGL_invalidateExtensionFunc( table.m_glEvalCoord2d );
+       QGL_invalidateExtensionFunc( table.m_glEvalCoord2dv );
+       QGL_invalidateExtensionFunc( table.m_glEvalCoord2f );
+       QGL_invalidateExtensionFunc( table.m_glEvalCoord2fv );
+       QGL_invalidateExtensionFunc( table.m_glEvalMesh1 );
+       QGL_invalidateExtensionFunc( table.m_glEvalMesh2 );
+       QGL_invalidateExtensionFunc( table.m_glEvalPoint1 );
+       QGL_invalidateExtensionFunc( table.m_glEvalPoint2 );
+       QGL_invalidateExtensionFunc( table.m_glFeedbackBuffer );
+       QGL_invalidateExtensionFunc( table.m_glFinish );
+       QGL_invalidateExtensionFunc( table.m_glFlush );
+       QGL_invalidateExtensionFunc( table.m_glFogf );
+       QGL_invalidateExtensionFunc( table.m_glFogfv );
+       QGL_invalidateExtensionFunc( table.m_glFogi );
+       QGL_invalidateExtensionFunc( table.m_glFogiv );
+       QGL_invalidateExtensionFunc( table.m_glFrontFace );
+       QGL_invalidateExtensionFunc( table.m_glFrustum );
+       QGL_invalidateExtensionFunc( table.m_glGenLists );
+       QGL_invalidateExtensionFunc( table.m_glGenTextures );
+       QGL_invalidateExtensionFunc( table.m_glGetBooleanv );
+       QGL_invalidateExtensionFunc( table.m_glGetClipPlane );
+       QGL_invalidateExtensionFunc( table.m_glGetDoublev );
+       QGL_invalidateExtensionFunc( table.m_glGetError );
+       QGL_invalidateExtensionFunc( table.m_glGetFloatv );
+       QGL_invalidateExtensionFunc( table.m_glGetIntegerv );
+       QGL_invalidateExtensionFunc( table.m_glGetLightfv );
+       QGL_invalidateExtensionFunc( table.m_glGetLightiv );
+       QGL_invalidateExtensionFunc( table.m_glGetMapdv );
+       QGL_invalidateExtensionFunc( table.m_glGetMapfv );
+       QGL_invalidateExtensionFunc( table.m_glGetMapiv );
+       QGL_invalidateExtensionFunc( table.m_glGetMaterialfv );
+       QGL_invalidateExtensionFunc( table.m_glGetMaterialiv );
+       QGL_invalidateExtensionFunc( table.m_glGetPixelMapfv );
+       QGL_invalidateExtensionFunc( table.m_glGetPixelMapuiv );
+       QGL_invalidateExtensionFunc( table.m_glGetPixelMapusv );
+       QGL_invalidateExtensionFunc( table.m_glGetPointerv );
+       QGL_invalidateExtensionFunc( table.m_glGetPolygonStipple );
+       table.m_glGetString = glGetString;
+       QGL_invalidateExtensionFunc( table.m_glGetTexEnvfv );
+       QGL_invalidateExtensionFunc( table.m_glGetTexEnviv );
+       QGL_invalidateExtensionFunc( table.m_glGetTexGendv );
+       QGL_invalidateExtensionFunc( table.m_glGetTexGenfv );
+       QGL_invalidateExtensionFunc( table.m_glGetTexGeniv );
+       QGL_invalidateExtensionFunc( table.m_glGetTexImage );
+       QGL_invalidateExtensionFunc( table.m_glGetTexLevelParameterfv );
+       QGL_invalidateExtensionFunc( table.m_glGetTexLevelParameteriv );
+       QGL_invalidateExtensionFunc( table.m_glGetTexParameterfv );
+       QGL_invalidateExtensionFunc( table.m_glGetTexParameteriv );
+       QGL_invalidateExtensionFunc( table.m_glHint );
+       QGL_invalidateExtensionFunc( table.m_glIndexMask );
+       QGL_invalidateExtensionFunc( table.m_glIndexPointer );
+       QGL_invalidateExtensionFunc( table.m_glIndexd );
+       QGL_invalidateExtensionFunc( table.m_glIndexdv );
+       QGL_invalidateExtensionFunc( table.m_glIndexf );
+       QGL_invalidateExtensionFunc( table.m_glIndexfv );
+       QGL_invalidateExtensionFunc( table.m_glIndexi );
+       QGL_invalidateExtensionFunc( table.m_glIndexiv );
+       QGL_invalidateExtensionFunc( table.m_glIndexs );
+       QGL_invalidateExtensionFunc( table.m_glIndexsv );
+       QGL_invalidateExtensionFunc( table.m_glIndexub );
+       QGL_invalidateExtensionFunc( table.m_glIndexubv );
+       QGL_invalidateExtensionFunc( table.m_glInitNames );
+       QGL_invalidateExtensionFunc( table.m_glInterleavedArrays );
+       QGL_invalidateExtensionFunc( table.m_glIsEnabled );
+       QGL_invalidateExtensionFunc( table.m_glIsList );
+       QGL_invalidateExtensionFunc( table.m_glIsTexture );
+       QGL_invalidateExtensionFunc( table.m_glLightModelf );
+       QGL_invalidateExtensionFunc( table.m_glLightModelfv );
+       QGL_invalidateExtensionFunc( table.m_glLightModeli );
+       QGL_invalidateExtensionFunc( table.m_glLightModeliv );
+       QGL_invalidateExtensionFunc( table.m_glLightf );
+       QGL_invalidateExtensionFunc( table.m_glLightfv );
+       QGL_invalidateExtensionFunc( table.m_glLighti );
+       QGL_invalidateExtensionFunc( table.m_glLightiv );
+       QGL_invalidateExtensionFunc( table.m_glLineStipple );
+       QGL_invalidateExtensionFunc( table.m_glLineWidth );
+       QGL_invalidateExtensionFunc( table.m_glListBase );
+       QGL_invalidateExtensionFunc( table.m_glLoadIdentity );
+       QGL_invalidateExtensionFunc( table.m_glLoadMatrixd );
+       QGL_invalidateExtensionFunc( table.m_glLoadMatrixf );
+       QGL_invalidateExtensionFunc( table.m_glLoadName );
+       QGL_invalidateExtensionFunc( table.m_glLogicOp );
+       QGL_invalidateExtensionFunc( table.m_glMap1d );
+       QGL_invalidateExtensionFunc( table.m_glMap1f );
+       QGL_invalidateExtensionFunc( table.m_glMap2d );
+       QGL_invalidateExtensionFunc( table.m_glMap2f );
+       QGL_invalidateExtensionFunc( table.m_glMapGrid1d );
+       QGL_invalidateExtensionFunc( table.m_glMapGrid1f );
+       QGL_invalidateExtensionFunc( table.m_glMapGrid2d );
+       QGL_invalidateExtensionFunc( table.m_glMapGrid2f );
+       QGL_invalidateExtensionFunc( table.m_glMaterialf );
+       QGL_invalidateExtensionFunc( table.m_glMaterialfv );
+       QGL_invalidateExtensionFunc( table.m_glMateriali );
+       QGL_invalidateExtensionFunc( table.m_glMaterialiv );
+       QGL_invalidateExtensionFunc( table.m_glMatrixMode );
+       QGL_invalidateExtensionFunc( table.m_glMultMatrixd );
+       QGL_invalidateExtensionFunc( table.m_glMultMatrixf );
+       QGL_invalidateExtensionFunc( table.m_glNewList );
+       QGL_invalidateExtensionFunc( table.m_glNormal3b );
+       QGL_invalidateExtensionFunc( table.m_glNormal3bv );
+       QGL_invalidateExtensionFunc( table.m_glNormal3d );
+       QGL_invalidateExtensionFunc( table.m_glNormal3dv );
+       QGL_invalidateExtensionFunc( table.m_glNormal3f );
+       QGL_invalidateExtensionFunc( table.m_glNormal3fv );
+       QGL_invalidateExtensionFunc( table.m_glNormal3i );
+       QGL_invalidateExtensionFunc( table.m_glNormal3iv );
+       QGL_invalidateExtensionFunc( table.m_glNormal3s );
+       QGL_invalidateExtensionFunc( table.m_glNormal3sv );
+       QGL_invalidateExtensionFunc( table.m_glNormalPointer );
+       QGL_invalidateExtensionFunc( table.m_glOrtho );
+       QGL_invalidateExtensionFunc( table.m_glPassThrough );
+       QGL_invalidateExtensionFunc( table.m_glPixelMapfv );
+       QGL_invalidateExtensionFunc( table.m_glPixelMapuiv );
+       QGL_invalidateExtensionFunc( table.m_glPixelMapusv );
+       QGL_invalidateExtensionFunc( table.m_glPixelStoref );
+       QGL_invalidateExtensionFunc( table.m_glPixelStorei );
+       QGL_invalidateExtensionFunc( table.m_glPixelTransferf );
+       QGL_invalidateExtensionFunc( table.m_glPixelTransferi );
+       QGL_invalidateExtensionFunc( table.m_glPixelZoom );
+       QGL_invalidateExtensionFunc( table.m_glPointSize );
+       QGL_invalidateExtensionFunc( table.m_glPolygonMode );
+       QGL_invalidateExtensionFunc( table.m_glPolygonOffset );
+       QGL_invalidateExtensionFunc( table.m_glPolygonStipple );
+       QGL_invalidateExtensionFunc( table.m_glPopAttrib );
+       QGL_invalidateExtensionFunc( table.m_glPopClientAttrib );
+       QGL_invalidateExtensionFunc( table.m_glPopMatrix );
+       QGL_invalidateExtensionFunc( table.m_glPopName );
+       QGL_invalidateExtensionFunc( table.m_glPrioritizeTextures );
+       QGL_invalidateExtensionFunc( table.m_glPushAttrib );
+       QGL_invalidateExtensionFunc( table.m_glPushClientAttrib );
+       QGL_invalidateExtensionFunc( table.m_glPushMatrix );
+       QGL_invalidateExtensionFunc( table.m_glPushName );
+       QGL_invalidateExtensionFunc( table.m_glRasterPos2d );
+       QGL_invalidateExtensionFunc( table.m_glRasterPos2dv );
+       QGL_invalidateExtensionFunc( table.m_glRasterPos2f );
+       QGL_invalidateExtensionFunc( table.m_glRasterPos2fv );
+       QGL_invalidateExtensionFunc( table.m_glRasterPos2i );
+       QGL_invalidateExtensionFunc( table.m_glRasterPos2iv );
+       QGL_invalidateExtensionFunc( table.m_glRasterPos2s );
+       QGL_invalidateExtensionFunc( table.m_glRasterPos2sv );
+       QGL_invalidateExtensionFunc( table.m_glRasterPos3d );
+       QGL_invalidateExtensionFunc( table.m_glRasterPos3dv );
+       QGL_invalidateExtensionFunc( table.m_glRasterPos3f );
+       QGL_invalidateExtensionFunc( table.m_glRasterPos3fv );
+       QGL_invalidateExtensionFunc( table.m_glRasterPos3i );
+       QGL_invalidateExtensionFunc( table.m_glRasterPos3iv );
+       QGL_invalidateExtensionFunc( table.m_glRasterPos3s );
+       QGL_invalidateExtensionFunc( table.m_glRasterPos3sv );
+       QGL_invalidateExtensionFunc( table.m_glRasterPos4d );
+       QGL_invalidateExtensionFunc( table.m_glRasterPos4dv );
+       QGL_invalidateExtensionFunc( table.m_glRasterPos4f );
+       QGL_invalidateExtensionFunc( table.m_glRasterPos4fv );
+       QGL_invalidateExtensionFunc( table.m_glRasterPos4i );
+       QGL_invalidateExtensionFunc( table.m_glRasterPos4iv );
+       QGL_invalidateExtensionFunc( table.m_glRasterPos4s );
+       QGL_invalidateExtensionFunc( table.m_glRasterPos4sv );
+       QGL_invalidateExtensionFunc( table.m_glReadBuffer );
+       QGL_invalidateExtensionFunc( table.m_glReadPixels );
+       QGL_invalidateExtensionFunc( table.m_glRectd );
+       QGL_invalidateExtensionFunc( table.m_glRectdv );
+       QGL_invalidateExtensionFunc( table.m_glRectf );
+       QGL_invalidateExtensionFunc( table.m_glRectfv );
+       QGL_invalidateExtensionFunc( table.m_glRecti );
+       QGL_invalidateExtensionFunc( table.m_glRectiv );
+       QGL_invalidateExtensionFunc( table.m_glRects );
+       QGL_invalidateExtensionFunc( table.m_glRectsv );
+       QGL_invalidateExtensionFunc( table.m_glRenderMode );
+       QGL_invalidateExtensionFunc( table.m_glRotated );
+       QGL_invalidateExtensionFunc( table.m_glRotatef );
+       QGL_invalidateExtensionFunc( table.m_glScaled );
+       QGL_invalidateExtensionFunc( table.m_glScalef );
+       QGL_invalidateExtensionFunc( table.m_glScissor );
+       QGL_invalidateExtensionFunc( table.m_glSelectBuffer );
+       QGL_invalidateExtensionFunc( table.m_glShadeModel );
+       QGL_invalidateExtensionFunc( table.m_glStencilFunc );
+       QGL_invalidateExtensionFunc( table.m_glStencilMask );
+       QGL_invalidateExtensionFunc( table.m_glStencilOp );
+       QGL_invalidateExtensionFunc( table.m_glTexCoord1d );
+       QGL_invalidateExtensionFunc( table.m_glTexCoord1dv );
+       QGL_invalidateExtensionFunc( table.m_glTexCoord1f );
+       QGL_invalidateExtensionFunc( table.m_glTexCoord1fv );
+       QGL_invalidateExtensionFunc( table.m_glTexCoord1i );
+       QGL_invalidateExtensionFunc( table.m_glTexCoord1iv );
+       QGL_invalidateExtensionFunc( table.m_glTexCoord1s );
+       QGL_invalidateExtensionFunc( table.m_glTexCoord1sv );
+       QGL_invalidateExtensionFunc( table.m_glTexCoord2d );
+       QGL_invalidateExtensionFunc( table.m_glTexCoord2dv );
+       QGL_invalidateExtensionFunc( table.m_glTexCoord2f );
+       QGL_invalidateExtensionFunc( table.m_glTexCoord2fv );
+       QGL_invalidateExtensionFunc( table.m_glTexCoord2i );
+       QGL_invalidateExtensionFunc( table.m_glTexCoord2iv );
+       QGL_invalidateExtensionFunc( table.m_glTexCoord2s );
+       QGL_invalidateExtensionFunc( table.m_glTexCoord2sv );
+       QGL_invalidateExtensionFunc( table.m_glTexCoord3d );
+       QGL_invalidateExtensionFunc( table.m_glTexCoord3dv );
+       QGL_invalidateExtensionFunc( table.m_glTexCoord3f );
+       QGL_invalidateExtensionFunc( table.m_glTexCoord3fv );
+       QGL_invalidateExtensionFunc( table.m_glTexCoord3i );
+       QGL_invalidateExtensionFunc( table.m_glTexCoord3iv );
+       QGL_invalidateExtensionFunc( table.m_glTexCoord3s );
+       QGL_invalidateExtensionFunc( table.m_glTexCoord3sv );
+       QGL_invalidateExtensionFunc( table.m_glTexCoord4d );
+       QGL_invalidateExtensionFunc( table.m_glTexCoord4dv );
+       QGL_invalidateExtensionFunc( table.m_glTexCoord4f );
+       QGL_invalidateExtensionFunc( table.m_glTexCoord4fv );
+       QGL_invalidateExtensionFunc( table.m_glTexCoord4i );
+       QGL_invalidateExtensionFunc( table.m_glTexCoord4iv );
+       QGL_invalidateExtensionFunc( table.m_glTexCoord4s );
+       QGL_invalidateExtensionFunc( table.m_glTexCoord4sv );
+       QGL_invalidateExtensionFunc( table.m_glTexCoordPointer );
+       QGL_invalidateExtensionFunc( table.m_glTexEnvf );
+       QGL_invalidateExtensionFunc( table.m_glTexEnvfv );
+       QGL_invalidateExtensionFunc( table.m_glTexEnvi );
+       QGL_invalidateExtensionFunc( table.m_glTexEnviv );
+       QGL_invalidateExtensionFunc( table.m_glTexGend );
+       QGL_invalidateExtensionFunc( table.m_glTexGendv );
+       QGL_invalidateExtensionFunc( table.m_glTexGenf );
+       QGL_invalidateExtensionFunc( table.m_glTexGenfv );
+       QGL_invalidateExtensionFunc( table.m_glTexGeni );
+       QGL_invalidateExtensionFunc( table.m_glTexGeniv );
+       QGL_invalidateExtensionFunc( table.m_glTexImage1D );
+       QGL_invalidateExtensionFunc( table.m_glTexImage2D );
+       QGL_invalidateExtensionFunc( table.m_glTexParameterf );
+       QGL_invalidateExtensionFunc( table.m_glTexParameterfv );
+       QGL_invalidateExtensionFunc( table.m_glTexParameteri );
+       QGL_invalidateExtensionFunc( table.m_glTexParameteriv );
+       QGL_invalidateExtensionFunc( table.m_glTexSubImage1D );
+       QGL_invalidateExtensionFunc( table.m_glTexSubImage2D );
+       QGL_invalidateExtensionFunc( table.m_glTranslated );
+       QGL_invalidateExtensionFunc( table.m_glTranslatef );
+       QGL_invalidateExtensionFunc( table.m_glVertex2d );
+       QGL_invalidateExtensionFunc( table.m_glVertex2dv );
+       QGL_invalidateExtensionFunc( table.m_glVertex2f );
+       QGL_invalidateExtensionFunc( table.m_glVertex2fv );
+       QGL_invalidateExtensionFunc( table.m_glVertex2i );
+       QGL_invalidateExtensionFunc( table.m_glVertex2iv );
+       QGL_invalidateExtensionFunc( table.m_glVertex2s );
+       QGL_invalidateExtensionFunc( table.m_glVertex2sv );
+       QGL_invalidateExtensionFunc( table.m_glVertex3d );
+       QGL_invalidateExtensionFunc( table.m_glVertex3dv );
+       QGL_invalidateExtensionFunc( table.m_glVertex3f );
+       QGL_invalidateExtensionFunc( table.m_glVertex3fv );
+       QGL_invalidateExtensionFunc( table.m_glVertex3i );
+       QGL_invalidateExtensionFunc( table.m_glVertex3iv );
+       QGL_invalidateExtensionFunc( table.m_glVertex3s );
+       QGL_invalidateExtensionFunc( table.m_glVertex3sv );
+       QGL_invalidateExtensionFunc( table.m_glVertex4d );
+       QGL_invalidateExtensionFunc( table.m_glVertex4dv );
+       QGL_invalidateExtensionFunc( table.m_glVertex4f );
+       QGL_invalidateExtensionFunc( table.m_glVertex4fv );
+       QGL_invalidateExtensionFunc( table.m_glVertex4i );
+       QGL_invalidateExtensionFunc( table.m_glVertex4iv );
+       QGL_invalidateExtensionFunc( table.m_glVertex4s );
+       QGL_invalidateExtensionFunc( table.m_glVertex4sv );
+       QGL_invalidateExtensionFunc( table.m_glVertexPointer );
+       QGL_invalidateExtensionFunc( table.m_glViewport );
 }
 
-int QGL_Init(OpenGLBinding& table)
-{
-  QGL_clear(table);
-
-#if defined(WIN32)
-  qwglCopyContext              = wglCopyContext;
-  qwglCreateContext            = wglCreateContext;
-  qwglCreateLayerContext       = wglCreateLayerContext;
-  qwglDeleteContext            = wglDeleteContext;
-  qwglDescribeLayerPlane       = wglDescribeLayerPlane;
-  qwglGetCurrentContext        = wglGetCurrentContext;
-  qwglGetCurrentDC             = wglGetCurrentDC;
-  qwglGetLayerPaletteEntries   = wglGetLayerPaletteEntries;
-  qwglGetProcAddress           = wglGetProcAddress;
-  qwglMakeCurrent              = wglMakeCurrent;
-  qwglRealizeLayerPalette      = wglRealizeLayerPalette;
-  qwglSetLayerPaletteEntries   = wglSetLayerPaletteEntries;
-  qwglShareLists               = wglShareLists;
-  qwglSwapLayerBuffers         = wglSwapLayerBuffers;
-  qwglUseFontBitmaps           = wglUseFontBitmapsA;
-  qwglUseFontOutlines          = wglUseFontOutlinesA;
-
-  qwglChoosePixelFormat        = ChoosePixelFormat;
-  qwglDescribePixelFormat      = DescribePixelFormat;
-  qwglGetPixelFormat           = GetPixelFormat;
-  qwglSetPixelFormat           = SetPixelFormat;
-  qwglSwapBuffers              = SwapBuffers;
-#elif defined(XWINDOWS)
-  qglXChooseVisual             = glXChooseVisual;
-  qglXCreateContext            = glXCreateContext;
-  qglXDestroyContext           = glXDestroyContext;
-  qglXMakeCurrent              = glXMakeCurrent;
-  //qglXCopyContext              = glXCopyContext;
-  qglXSwapBuffers              = glXSwapBuffers;
-  qglXCreateGLXPixmap          = glXCreateGLXPixmap;
-  qglXDestroyGLXPixmap         = glXDestroyGLXPixmap;
-  qglXQueryExtension           = glXQueryExtension;
-  qglXQueryVersion             = glXQueryVersion;
-  qglXIsDirect                 = glXIsDirect;
-  qglXGetConfig                = glXGetConfig;
-  qglXGetCurrentContext        = glXGetCurrentContext;
-  qglXGetCurrentDrawable       = glXGetCurrentDrawable;
-  qglXWaitGL                   = glXWaitGL;
-  qglXWaitX                    = glXWaitX;
-  qglXUseXFont                 = glXUseXFont;
-//  qglXGetProcAddressARB        = glXGetProcAddressARB; // Utah-GLX fix
-
-  qglXGetProcAddressARB = (glXGetProcAddressARBProc)dlsym(RTLD_DEFAULT, "glXGetProcAddressARB"); 
-  if ((qglXQueryExtension == 0) || (qglXQueryExtension(GDK_DISPLAY(),0,0) != True))
-    return 0;
+int QGL_Init( OpenGLBinding& table ){
+       QGL_clear( table );
+
+#if defined( WIN32 )
+       qwglGetProcAddress           = wglGetProcAddress;
+#elif defined( XWINDOWS )
+       qglXGetProcAddressARB = (glXGetProcAddressARBProc)dlsym( RTLD_DEFAULT, "glXGetProcAddressARB" );
+       if ( ( qglXQueryExtension == 0 ) || ( qglXQueryExtension( GDK_DISPLAY(),0,0 ) != True ) ) {
+               return 0;
+       }
 #else
 #error "unsupported platform"
 #endif
 
-  return 1;
+       return 1;
 }
 
 int g_qglMajorVersion = 0;
 int g_qglMinorVersion = 0;
 
 // requires a valid gl context
-void QGL_InitVersion()
-{
+void QGL_InitVersion(){
 #if EXTENSIONS_ENABLED
-  const std::size_t versionSize = 256;
-  char version[versionSize];
-  strncpy(version, reinterpret_cast<const char*>(GlobalOpenGL().m_glGetString(GL_VERSION)), versionSize - 1);
-  version[versionSize - 1] = '\0';
-  char* firstDot = strchr(version, '.');
-  ASSERT_NOTNULL(firstDot);
-  *firstDot = '\0';
-  g_qglMajorVersion = atoi(version);
-  char* secondDot = strchr(firstDot + 1, '.');
-  if(secondDot != 0)
-  {
-    *secondDot = '\0';
-  }
-  g_qglMinorVersion = atoi(firstDot + 1);
+       const std::size_t versionSize = 256;
+       char version[versionSize];
+       strncpy( version, reinterpret_cast<const char*>( GlobalOpenGL().m_glGetString( GL_VERSION ) ), versionSize - 1 );
+       version[versionSize - 1] = '\0';
+       char* firstDot = strchr( version, '.' );
+       ASSERT_NOTNULL( firstDot );
+       *firstDot = '\0';
+       g_qglMajorVersion = atoi( version );
+       char* secondDot = strchr( firstDot + 1, '.' );
+       if ( secondDot != 0 ) {
+               *secondDot = '\0';
+       }
+       g_qglMinorVersion = atoi( firstDot + 1 );
 #else
-  g_qglMajorVersion = 1;
-  g_qglMinorVersion = 1;
+       g_qglMajorVersion = 1;
+       g_qglMinorVersion = 1;
 #endif
 }
 
 
-inline void extension_not_implemented(const char* extension)
-{
-  globalErrorStream() << "WARNING: OpenGL driver reports support for " << extension << " but does not implement it\n";
+inline void extension_not_implemented( const char* extension ){
+       globalErrorStream() << "WARNING: OpenGL driver reports support for " << extension << " but does not implement it\n";
 }
 
 float g_maxTextureAnisotropy;
 
-float QGL_maxTextureAnisotropy()
-{
-  return g_maxTextureAnisotropy;
+float QGL_maxTextureAnisotropy(){
+       return g_maxTextureAnisotropy;
 }
 
-void QGL_sharedContextCreated(OpenGLBinding& table)
-{
-  QGL_InitVersion();
-
-  table.major_version = g_qglMajorVersion;
-  table.minor_version = g_qglMinorVersion;
-
-  table.m_glAccum                     = glAccum;
-  table.m_glAlphaFunc                 = glAlphaFunc;
-  table.m_glAreTexturesResident       = glAreTexturesResident;
-  table.m_glArrayElement              = glArrayElement;
-  table.m_glBegin                     = glBegin;
-  table.m_glBindTexture               = glBindTexture;
-  table.m_glBitmap                    = glBitmap;
-  table.m_glBlendFunc                 = glBlendFunc;
-  table.m_glCallList                  = glCallList;
-  table.m_glCallLists                 = glCallLists;
-  table.m_glClear                     = glClear;
-  table.m_glClearAccum                = glClearAccum;
-  table.m_glClearColor                = glClearColor;
-  table.m_glClearDepth                = glClearDepth;
-  table.m_glClearIndex                = glClearIndex;
-  table.m_glClearStencil              = glClearStencil;
-  table.m_glClipPlane                 = glClipPlane;
-  table.m_glColor3b                   = glColor3b;
-  table.m_glColor3bv                  = glColor3bv;
-  table.m_glColor3d                   = glColor3d;
-  table.m_glColor3dv                  = glColor3dv;
-  table.m_glColor3f                   = glColor3f;
-  table.m_glColor3fv                  = glColor3fv;
-  table.m_glColor3i                   = glColor3i;
-  table.m_glColor3iv                  = glColor3iv;
-  table.m_glColor3s                   = glColor3s;
-  table.m_glColor3sv                  = glColor3sv;
-  table.m_glColor3ub                  = glColor3ub;
-  table.m_glColor3ubv                 = glColor3ubv;
-  table.m_glColor3ui                  = glColor3ui;
-  table.m_glColor3uiv                 = glColor3uiv;
-  table.m_glColor3us                  = glColor3us;
-  table.m_glColor3usv                 = glColor3usv;
-  table.m_glColor4b                   = glColor4b;
-  table.m_glColor4bv                  = glColor4bv;
-  table.m_glColor4d                   = glColor4d;
-  table.m_glColor4dv                  = glColor4dv;
-  table.m_glColor4f                   = glColor4f;
-  table.m_glColor4fv                  = glColor4fv;
-  table.m_glColor4i                   = glColor4i;
-  table.m_glColor4iv                  = glColor4iv;
-  table.m_glColor4s                   = glColor4s;
-  table.m_glColor4sv                  = glColor4sv;
-  table.m_glColor4ub                  = glColor4ub;
-  table.m_glColor4ubv                 = glColor4ubv;
-  table.m_glColor4ui                  = glColor4ui;
-  table.m_glColor4uiv                 = glColor4uiv;
-  table.m_glColor4us                  = glColor4us;
-  table.m_glColor4usv                 = glColor4usv;
-  table.m_glColorMask                 = glColorMask;
-  table.m_glColorMaterial             = glColorMaterial;
-  table.m_glColorPointer              = glColorPointer;
-  table.m_glCopyPixels                = glCopyPixels;
-  table.m_glCopyTexImage1D            = glCopyTexImage1D;
-  table.m_glCopyTexImage2D            = glCopyTexImage2D;
-  table.m_glCopyTexSubImage1D         = glCopyTexSubImage1D;
-  table.m_glCopyTexSubImage2D         = glCopyTexSubImage2D;
-  table.m_glCullFace                  = glCullFace;
-  table.m_glDeleteLists               = glDeleteLists;
-  table.m_glDeleteTextures            = glDeleteTextures;
-  table.m_glDepthFunc                 = glDepthFunc;
-  table.m_glDepthMask                 = glDepthMask;
-  table.m_glDepthRange                = glDepthRange;
-  table.m_glDisable                   = glDisable;
-  table.m_glDisableClientState        = glDisableClientState;
-  table.m_glDrawArrays                = glDrawArrays;
-  table.m_glDrawBuffer                = glDrawBuffer;
-  table.m_glDrawElements              = glDrawElements;
-  table.m_glDrawPixels                = glDrawPixels;
-  table.m_glEdgeFlag                  = glEdgeFlag;
-  table.m_glEdgeFlagPointer           = glEdgeFlagPointer;
-  table.m_glEdgeFlagv                 = glEdgeFlagv;
-  table.m_glEnable                    = glEnable;
-  table.m_glEnableClientState         = glEnableClientState;
-  table.m_glEnd                       = glEnd;
-  table.m_glEndList                   = glEndList;
-  table.m_glEvalCoord1d               = glEvalCoord1d;
-  table.m_glEvalCoord1dv              = glEvalCoord1dv;
-  table.m_glEvalCoord1f               = glEvalCoord1f;
-  table.m_glEvalCoord1fv              = glEvalCoord1fv;
-  table.m_glEvalCoord2d               = glEvalCoord2d;
-  table.m_glEvalCoord2dv              = glEvalCoord2dv;
-  table.m_glEvalCoord2f               = glEvalCoord2f;
-  table.m_glEvalCoord2fv              = glEvalCoord2fv;
-  table.m_glEvalMesh1                 = glEvalMesh1;
-  table.m_glEvalMesh2                 = glEvalMesh2;
-  table.m_glEvalPoint1                = glEvalPoint1;
-  table.m_glEvalPoint2                = glEvalPoint2;
-  table.m_glFeedbackBuffer            = glFeedbackBuffer;
-  table.m_glFinish                    = glFinish;
-  table.m_glFlush                     = glFlush;
-  table.m_glFogf                      = glFogf;
-  table.m_glFogfv                     = glFogfv;
-  table.m_glFogi                      = glFogi;
-  table.m_glFogiv                     = glFogiv;
-  table.m_glFrontFace                 = glFrontFace;
-  table.m_glFrustum                   = glFrustum;
-  table.m_glGenLists                  = glGenLists;
-  table.m_glGenTextures               = glGenTextures;
-  table.m_glGetBooleanv               = glGetBooleanv;
-  table.m_glGetClipPlane              = glGetClipPlane;
-  table.m_glGetDoublev                = glGetDoublev;
-  table.m_glGetError                  = glGetError;
-  table.m_glGetFloatv                 = glGetFloatv;
-  table.m_glGetIntegerv               = glGetIntegerv;
-  table.m_glGetLightfv                = glGetLightfv;
-  table.m_glGetLightiv                = glGetLightiv;
-  table.m_glGetMapdv                  = glGetMapdv;
-  table.m_glGetMapfv                  = glGetMapfv;
-  table.m_glGetMapiv                  = glGetMapiv;
-  table.m_glGetMaterialfv             = glGetMaterialfv;
-  table.m_glGetMaterialiv             = glGetMaterialiv;
-  table.m_glGetPixelMapfv             = glGetPixelMapfv;
-  table.m_glGetPixelMapuiv            = glGetPixelMapuiv;
-  table.m_glGetPixelMapusv            = glGetPixelMapusv;
-  table.m_glGetPointerv               = glGetPointerv;
-  table.m_glGetPolygonStipple         = glGetPolygonStipple;
-  table.m_glGetString                 = glGetString;
-  table.m_glGetTexEnvfv               = glGetTexEnvfv;
-  table.m_glGetTexEnviv               = glGetTexEnviv;
-  table.m_glGetTexGendv               = glGetTexGendv;
-  table.m_glGetTexGenfv               = glGetTexGenfv;
-  table.m_glGetTexGeniv               = glGetTexGeniv;
-  table.m_glGetTexImage               = glGetTexImage;
-  table.m_glGetTexLevelParameterfv    = glGetTexLevelParameterfv;
-  table.m_glGetTexLevelParameteriv    = glGetTexLevelParameteriv;
-  table.m_glGetTexParameterfv         = glGetTexParameterfv;
-  table.m_glGetTexParameteriv         = glGetTexParameteriv;
-  table.m_glHint                      = glHint;
-  table.m_glIndexMask                 = glIndexMask;
-  table.m_glIndexPointer              = glIndexPointer;
-  table.m_glIndexd                    = glIndexd;
-  table.m_glIndexdv                   = glIndexdv;
-  table.m_glIndexf                    = glIndexf;
-  table.m_glIndexfv                   = glIndexfv;
-  table.m_glIndexi                    = glIndexi;
-  table.m_glIndexiv                   = glIndexiv;
-  table.m_glIndexs                    = glIndexs;
-  table.m_glIndexsv                   = glIndexsv;
-  table.m_glIndexub                   = glIndexub;
-  table.m_glIndexubv                  = glIndexubv;
-  table.m_glInitNames                 = glInitNames;
-  table.m_glInterleavedArrays         = glInterleavedArrays;
-  table.m_glIsEnabled                 = glIsEnabled;
-  table.m_glIsList                    = glIsList;
-  table.m_glIsTexture                 = glIsTexture;
-  table.m_glLightModelf               = glLightModelf;
-  table.m_glLightModelfv              = glLightModelfv;
-  table.m_glLightModeli               = glLightModeli;
-  table.m_glLightModeliv              = glLightModeliv;
-  table.m_glLightf                    = glLightf;
-  table.m_glLightfv                   = glLightfv;
-  table.m_glLighti                    = glLighti;
-  table.m_glLightiv                   = glLightiv;
-  table.m_glLineStipple               = glLineStipple;
-  table.m_glLineWidth                 = glLineWidth;
-  table.m_glListBase                  = glListBase;
-  table.m_glLoadIdentity              = glLoadIdentity;
-  table.m_glLoadMatrixd               = glLoadMatrixd;
-  table.m_glLoadMatrixf               = glLoadMatrixf;
-  table.m_glLoadName                  = glLoadName;
-  table.m_glLogicOp                   = glLogicOp;
-  table.m_glMap1d                     = glMap1d;
-  table.m_glMap1f                     = glMap1f;
-  table.m_glMap2d                     = glMap2d;
-  table.m_glMap2f                     = glMap2f;
-  table.m_glMapGrid1d                 = glMapGrid1d;
-  table.m_glMapGrid1f                 = glMapGrid1f;
-  table.m_glMapGrid2d                 = glMapGrid2d;
-  table.m_glMapGrid2f                 = glMapGrid2f;
-  table.m_glMaterialf                 = glMaterialf;
-  table.m_glMaterialfv                = glMaterialfv;
-  table.m_glMateriali                 = glMateriali;
-  table.m_glMaterialiv                = glMaterialiv;
-  table.m_glMatrixMode                = glMatrixMode;
-  table.m_glMultMatrixd               = glMultMatrixd;
-  table.m_glMultMatrixf               = glMultMatrixf;
-  table.m_glNewList                   = glNewList;
-  table.m_glNormal3b                  = glNormal3b;
-  table.m_glNormal3bv                 = glNormal3bv;
-  table.m_glNormal3d                  = glNormal3d;
-  table.m_glNormal3dv                 = glNormal3dv;
-  table.m_glNormal3f                  = glNormal3f;
-  table.m_glNormal3fv                 = glNormal3fv;
-  table.m_glNormal3i                  = glNormal3i;
-  table.m_glNormal3iv                 = glNormal3iv;
-  table.m_glNormal3s                  = glNormal3s;
-  table.m_glNormal3sv                 = glNormal3sv;
-  table.m_glNormalPointer             = glNormalPointer;
-  table.m_glOrtho                     = glOrtho;
-  table.m_glPassThrough               = glPassThrough;
-  table.m_glPixelMapfv                = glPixelMapfv;
-  table.m_glPixelMapuiv               = glPixelMapuiv;
-  table.m_glPixelMapusv               = glPixelMapusv;
-  table.m_glPixelStoref               = glPixelStoref;
-  table.m_glPixelStorei               = glPixelStorei;
-  table.m_glPixelTransferf            = glPixelTransferf;
-  table.m_glPixelTransferi            = glPixelTransferi;
-  table.m_glPixelZoom                 = glPixelZoom;
-  table.m_glPointSize                 = glPointSize;
-  table.m_glPolygonMode               = glPolygonMode;
-  table.m_glPolygonOffset             = glPolygonOffset;
-  table.m_glPolygonStipple            = glPolygonStipple;
-  table.m_glPopAttrib                 = glPopAttrib;
-  table.m_glPopClientAttrib           = glPopClientAttrib;
-  table.m_glPopMatrix                 = glPopMatrix;
-  table.m_glPopName                   = glPopName;
-  table.m_glPrioritizeTextures        = glPrioritizeTextures;
-  table.m_glPushAttrib                = glPushAttrib;
-  table.m_glPushClientAttrib          = glPushClientAttrib;
-  table.m_glPushMatrix                = glPushMatrix;
-  table.m_glPushName                  = glPushName;
-  table.m_glRasterPos2d               = glRasterPos2d;
-  table.m_glRasterPos2dv              = glRasterPos2dv;
-  table.m_glRasterPos2f               = glRasterPos2f;
-  table.m_glRasterPos2fv              = glRasterPos2fv;
-  table.m_glRasterPos2i               = glRasterPos2i;
-  table.m_glRasterPos2iv              = glRasterPos2iv;
-  table.m_glRasterPos2s               = glRasterPos2s;
-  table.m_glRasterPos2sv              = glRasterPos2sv;
-  table.m_glRasterPos3d               = glRasterPos3d;
-  table.m_glRasterPos3dv              = glRasterPos3dv;
-  table.m_glRasterPos3f               = glRasterPos3f;
-  table.m_glRasterPos3fv              = glRasterPos3fv;
-  table.m_glRasterPos3i               = glRasterPos3i;
-  table.m_glRasterPos3iv              = glRasterPos3iv;
-  table.m_glRasterPos3s               = glRasterPos3s;
-  table.m_glRasterPos3sv              = glRasterPos3sv;
-  table.m_glRasterPos4d               = glRasterPos4d;
-  table.m_glRasterPos4dv              = glRasterPos4dv;
-  table.m_glRasterPos4f               = glRasterPos4f;
-  table.m_glRasterPos4fv              = glRasterPos4fv;
-  table.m_glRasterPos4i               = glRasterPos4i;
-  table.m_glRasterPos4iv              = glRasterPos4iv;
-  table.m_glRasterPos4s               = glRasterPos4s;
-  table.m_glRasterPos4sv              = glRasterPos4sv;
-  table.m_glReadBuffer                = glReadBuffer;
-  table.m_glReadPixels                = glReadPixels;
-  table.m_glRectd                     = glRectd;
-  table.m_glRectdv                    = glRectdv;
-  table.m_glRectf                     = glRectf;
-  table.m_glRectfv                    = glRectfv;
-  table.m_glRecti                     = glRecti;
-  table.m_glRectiv                    = glRectiv;
-  table.m_glRects                     = glRects;
-  table.m_glRectsv                    = glRectsv;
-  table.m_glRenderMode                = glRenderMode;
-  table.m_glRotated                   = glRotated;
-  table.m_glRotatef                   = glRotatef;
-  table.m_glScaled                    = glScaled;
-  table.m_glScalef                    = glScalef;
-  table.m_glScissor                   = glScissor;
-  table.m_glSelectBuffer              = glSelectBuffer;
-  table.m_glShadeModel                = glShadeModel;
-  table.m_glStencilFunc               = glStencilFunc;
-  table.m_glStencilMask               = glStencilMask;
-  table.m_glStencilOp                 = glStencilOp;
-  table.m_glTexCoord1d                = glTexCoord1d;
-  table.m_glTexCoord1dv               = glTexCoord1dv;
-  table.m_glTexCoord1f                = glTexCoord1f;
-  table.m_glTexCoord1fv               = glTexCoord1fv;
-  table.m_glTexCoord1i                = glTexCoord1i;
-  table.m_glTexCoord1iv               = glTexCoord1iv;
-  table.m_glTexCoord1s                = glTexCoord1s;
-  table.m_glTexCoord1sv               = glTexCoord1sv;
-  table.m_glTexCoord2d                = glTexCoord2d;
-  table.m_glTexCoord2dv               = glTexCoord2dv;
-  table.m_glTexCoord2f                = glTexCoord2f;
-  table.m_glTexCoord2fv               = glTexCoord2fv;
-  table.m_glTexCoord2i                = glTexCoord2i;
-  table.m_glTexCoord2iv               = glTexCoord2iv;
-  table.m_glTexCoord2s                = glTexCoord2s;
-  table.m_glTexCoord2sv               = glTexCoord2sv;
-  table.m_glTexCoord3d                = glTexCoord3d;
-  table.m_glTexCoord3dv               = glTexCoord3dv;
-  table.m_glTexCoord3f                = glTexCoord3f;
-  table.m_glTexCoord3fv               = glTexCoord3fv;
-  table.m_glTexCoord3i                = glTexCoord3i;
-  table.m_glTexCoord3iv               = glTexCoord3iv;
-  table.m_glTexCoord3s                = glTexCoord3s;
-  table.m_glTexCoord3sv               = glTexCoord3sv;
-  table.m_glTexCoord4d                = glTexCoord4d;
-  table.m_glTexCoord4dv               = glTexCoord4dv;
-  table.m_glTexCoord4f                = glTexCoord4f;
-  table.m_glTexCoord4fv               = glTexCoord4fv;
-  table.m_glTexCoord4i                = glTexCoord4i;
-  table.m_glTexCoord4iv               = glTexCoord4iv;
-  table.m_glTexCoord4s                = glTexCoord4s;
-  table.m_glTexCoord4sv               = glTexCoord4sv;
-  table.m_glTexCoordPointer           = glTexCoordPointer;
-  table.m_glTexEnvf                   = glTexEnvf;
-  table.m_glTexEnvfv                  = glTexEnvfv;
-  table.m_glTexEnvi                   = glTexEnvi;
-  table.m_glTexEnviv                  = glTexEnviv;
-  table.m_glTexGend                   = glTexGend;
-  table.m_glTexGendv                  = glTexGendv;
-  table.m_glTexGenf                   = glTexGenf;
-  table.m_glTexGenfv                  = glTexGenfv;
-  table.m_glTexGeni                   = glTexGeni;
-  table.m_glTexGeniv                  = glTexGeniv;
-  table.m_glTexImage1D                = glTexImage1D;
-  table.m_glTexImage2D                = glTexImage2D;
-  table.m_glTexParameterf             = glTexParameterf;
-  table.m_glTexParameterfv            = glTexParameterfv;
-  table.m_glTexParameteri             = glTexParameteri;
-  table.m_glTexParameteriv            = glTexParameteriv;
-  table.m_glTexSubImage1D             = glTexSubImage1D;
-  table.m_glTexSubImage2D             = glTexSubImage2D;
-  table.m_glTranslated                = glTranslated;
-  table.m_glTranslatef                = glTranslatef;
-  table.m_glVertex2d                  = glVertex2d;
-  table.m_glVertex2dv                 = glVertex2dv;
-  table.m_glVertex2f                  = glVertex2f;
-  table.m_glVertex2fv                 = glVertex2fv;
-  table.m_glVertex2i                  = glVertex2i;
-  table.m_glVertex2iv                 = glVertex2iv;
-  table.m_glVertex2s                  = glVertex2s;
-  table.m_glVertex2sv                 = glVertex2sv;
-  table.m_glVertex3d                  = glVertex3d;
-  table.m_glVertex3dv                 = glVertex3dv;
-  table.m_glVertex3f                  = glVertex3f;
-  table.m_glVertex3fv                 = glVertex3fv;
-  table.m_glVertex3i                  = glVertex3i;
-  table.m_glVertex3iv                 = glVertex3iv;
-  table.m_glVertex3s                  = glVertex3s;
-  table.m_glVertex3sv                 = glVertex3sv;
-  table.m_glVertex4d                  = glVertex4d;
-  table.m_glVertex4dv                 = glVertex4dv;
-  table.m_glVertex4f                  = glVertex4f;
-  table.m_glVertex4fv                 = glVertex4fv;
-  table.m_glVertex4i                  = glVertex4i;
-  table.m_glVertex4iv                 = glVertex4iv;
-  table.m_glVertex4s                  = glVertex4s;
-  table.m_glVertex4sv                 = glVertex4sv;
-  table.m_glVertexPointer             = glVertexPointer;
-  table.m_glViewport                  = glViewport;
-
-  if(QGL_ExtensionSupported("GL_ARB_multitexture"))
-  {
-    table.support_ARB_multitexture =
-    QGL_constructExtensionFunc(table.m_glActiveTextureARB, "glActiveTextureARB")
-    && QGL_constructExtensionFunc(table.m_glClientActiveTextureARB, "glClientActiveTextureARB")
-    && QGL_constructExtensionFunc(table.m_glMultiTexCoord1dARB, "glMultiTexCoord1dARB")
-    && QGL_constructExtensionFunc(table.m_glMultiTexCoord1dvARB, "glMultiTexCoord1dvARB")
-    && QGL_constructExtensionFunc(table.m_glMultiTexCoord1fARB, "glMultiTexCoord1fARB")
-    && QGL_constructExtensionFunc(table.m_glMultiTexCoord1fvARB, "glMultiTexCoord1fvARB")
-    && QGL_constructExtensionFunc(table.m_glMultiTexCoord1iARB, "glMultiTexCoord1iARB")
-    && QGL_constructExtensionFunc(table.m_glMultiTexCoord1ivARB, "glMultiTexCoord1ivARB")
-    && QGL_constructExtensionFunc(table.m_glMultiTexCoord1sARB, "glMultiTexCoord1sARB")
-    && QGL_constructExtensionFunc(table.m_glMultiTexCoord1svARB, "glMultiTexCoord1svARB")
-    && QGL_constructExtensionFunc(table.m_glMultiTexCoord2dARB, "glMultiTexCoord2dARB")
-    && QGL_constructExtensionFunc(table.m_glMultiTexCoord2dvARB, "glMultiTexCoord2dvARB")
-    && QGL_constructExtensionFunc(table.m_glMultiTexCoord2fARB, "glMultiTexCoord2fARB")
-    && QGL_constructExtensionFunc(table.m_glMultiTexCoord2fvARB, "glMultiTexCoord2fvARB")
-    && QGL_constructExtensionFunc(table.m_glMultiTexCoord2iARB, "glMultiTexCoord2iARB")
-    && QGL_constructExtensionFunc(table.m_glMultiTexCoord2ivARB, "glMultiTexCoord2ivARB")
-    && QGL_constructExtensionFunc(table.m_glMultiTexCoord2sARB, "glMultiTexCoord2sARB")
-    && QGL_constructExtensionFunc(table.m_glMultiTexCoord2svARB, "glMultiTexCoord2svARB")
-    && QGL_constructExtensionFunc(table.m_glMultiTexCoord3dARB, "glMultiTexCoord3dARB")
-    && QGL_constructExtensionFunc(table.m_glMultiTexCoord3dvARB, "glMultiTexCoord3dvARB")
-    && QGL_constructExtensionFunc(table.m_glMultiTexCoord3fARB, "glMultiTexCoord3fARB")
-    && QGL_constructExtensionFunc(table.m_glMultiTexCoord3fvARB, "glMultiTexCoord3fvARB")
-    && QGL_constructExtensionFunc(table.m_glMultiTexCoord3iARB, "glMultiTexCoord3iARB")
-    && QGL_constructExtensionFunc(table.m_glMultiTexCoord3ivARB, "glMultiTexCoord3ivARB")
-    && QGL_constructExtensionFunc(table.m_glMultiTexCoord3sARB, "glMultiTexCoord3sARB")
-    && QGL_constructExtensionFunc(table.m_glMultiTexCoord3svARB, "glMultiTexCoord3svARB")
-    && QGL_constructExtensionFunc(table.m_glMultiTexCoord4dARB, "glMultiTexCoord4dARB")
-    && QGL_constructExtensionFunc(table.m_glMultiTexCoord4dvARB, "glMultiTexCoord4dvARB")
-    && QGL_constructExtensionFunc(table.m_glMultiTexCoord4fARB, "glMultiTexCoord4fARB")
-    && QGL_constructExtensionFunc(table.m_glMultiTexCoord4fvARB, "glMultiTexCoord4fvARB")
-    && QGL_constructExtensionFunc(table.m_glMultiTexCoord4iARB, "glMultiTexCoord4iARB")
-    && QGL_constructExtensionFunc(table.m_glMultiTexCoord4ivARB, "glMultiTexCoord4ivARB")
-    && QGL_constructExtensionFunc(table.m_glMultiTexCoord4sARB, "glMultiTexCoord4sARB")
-    && QGL_constructExtensionFunc(table.m_glMultiTexCoord4svARB, "glMultiTexCoord4svARB");
-    
-    if(!table.support_ARB_multitexture)
-    {
-      extension_not_implemented("GL_ARB_multitexture");
-    }
-  }
-  else
-  {
-    table.support_ARB_multitexture = false;
-  }
-
-  if(QGL_ExtensionSupported("GL_ARB_texture_compression"))
-  {
-    table.support_ARB_texture_compression =
-    QGL_constructExtensionFunc(table.m_glCompressedTexImage3DARB, "glCompressedTexImage3DARB")
-    && QGL_constructExtensionFunc(table.m_glCompressedTexImage2DARB, "glCompressedTexImage2DARB")
-    && QGL_constructExtensionFunc(table.m_glCompressedTexImage1DARB, "glCompressedTexImage1DARB")
-    && QGL_constructExtensionFunc(table.m_glCompressedTexSubImage3DARB, "glCompressedTexSubImage3DARB")
-    && QGL_constructExtensionFunc(table.m_glCompressedTexSubImage2DARB, "glCompressedTexSubImage2DARB")
-    && QGL_constructExtensionFunc(table.m_glCompressedTexSubImage1DARB, "glCompressedTexSubImage1DARB")
-    && QGL_constructExtensionFunc(table.m_glGetCompressedTexImageARB, "glGetCompressedTexImageARB");
-    
-    if(!table.support_ARB_texture_compression)
-    {
-      extension_not_implemented("GL_ARB_texture_compression");
-    }
-  }
-  else
-  {
-    table.support_ARB_texture_compression = false;
-  }
-
-  table.support_EXT_texture_compression_s3tc = QGL_ExtensionSupported("GL_EXT_texture_compression_s3tc");
-
-  // GL 1.2
-  if(table.major_version > 1 || table.minor_version >= 2)
-  {
-    table.support_GL_1_2 =
-    QGL_constructExtensionFunc(table.m_glCopyTexSubImage3D, "glCopyTexSubImage3D")
-    && QGL_constructExtensionFunc(table.m_glDrawRangeElements, "glDrawRangeElements")
-    && QGL_constructExtensionFunc(table.m_glTexImage3D, "glTexImage3D")
-    && QGL_constructExtensionFunc(table.m_glTexSubImage3D, "glTexSubImage3D");
-
-    if(!table.support_GL_1_2)
-    {
-      extension_not_implemented("GL_VERSION_1_2");
-    }
-  }
-  else
-  {
-    table.support_GL_1_2 = false;
-  }
-
-  // GL 1.3
-  if(table.major_version > 1 || table.minor_version >= 3)
-  {
-    table.support_GL_1_3 =
-    QGL_constructExtensionFunc(table.m_glActiveTexture, "glActiveTexture")
-    && QGL_constructExtensionFunc(table.m_glClientActiveTexture, "glClientActiveTexture")
-    && QGL_constructExtensionFunc(table.m_glCompressedTexImage1D, "glCompressedTexImage1D")
-    && QGL_constructExtensionFunc(table.m_glCompressedTexImage2D, "glCompressedTexImage2D")
-    && QGL_constructExtensionFunc(table.m_glCompressedTexImage3D, "glCompressedTexImage3D")
-    && QGL_constructExtensionFunc(table.m_glCompressedTexSubImage1D, "glCompressedTexSubImage1D")
-    && QGL_constructExtensionFunc(table.m_glCompressedTexSubImage2D, "glCompressedTexSubImage2D")
-    && QGL_constructExtensionFunc(table.m_glCompressedTexSubImage3D, "glCompressedTexSubImage3D")
-    && QGL_constructExtensionFunc(table.m_glGetCompressedTexImage, "glGetCompressedTexImage")
-    && QGL_constructExtensionFunc(table.m_glLoadTransposeMatrixd, "glLoadTransposeMatrixd")
-    && QGL_constructExtensionFunc(table.m_glLoadTransposeMatrixf, "glLoadTransposeMatrixf")
-    && QGL_constructExtensionFunc(table.m_glMultTransposeMatrixd, "glMultTransposeMatrixd")
-    && QGL_constructExtensionFunc(table.m_glMultTransposeMatrixf, "glMultTransposeMatrixf")
-    && QGL_constructExtensionFunc(table.m_glMultiTexCoord1d, "glMultiTexCoord1d")
-    && QGL_constructExtensionFunc(table.m_glMultiTexCoord1dv, "glMultiTexCoord1dv")
-    && QGL_constructExtensionFunc(table.m_glMultiTexCoord1f, "glMultiTexCoord1f")
-    && QGL_constructExtensionFunc(table.m_glMultiTexCoord1fv, "glMultiTexCoord1fv")
-    && QGL_constructExtensionFunc(table.m_glMultiTexCoord1i, "glMultiTexCoord1i")
-    && QGL_constructExtensionFunc(table.m_glMultiTexCoord1iv, "glMultiTexCoord1iv")
-    && QGL_constructExtensionFunc(table.m_glMultiTexCoord1s, "glMultiTexCoord1s")
-    && QGL_constructExtensionFunc(table.m_glMultiTexCoord1sv, "glMultiTexCoord1sv")
-    && QGL_constructExtensionFunc(table.m_glMultiTexCoord2d, "glMultiTexCoord2d")
-    && QGL_constructExtensionFunc(table.m_glMultiTexCoord2dv, "glMultiTexCoord2dv")
-    && QGL_constructExtensionFunc(table.m_glMultiTexCoord2f, "glMultiTexCoord2f")
-    && QGL_constructExtensionFunc(table.m_glMultiTexCoord2fv, "glMultiTexCoord2fv")
-    && QGL_constructExtensionFunc(table.m_glMultiTexCoord2i, "glMultiTexCoord2i")
-    && QGL_constructExtensionFunc(table.m_glMultiTexCoord2iv, "glMultiTexCoord2iv")
-    && QGL_constructExtensionFunc(table.m_glMultiTexCoord2s, "glMultiTexCoord2s")
-    && QGL_constructExtensionFunc(table.m_glMultiTexCoord2sv, "glMultiTexCoord2sv")
-    && QGL_constructExtensionFunc(table.m_glMultiTexCoord3d, "glMultiTexCoord3d")
-    && QGL_constructExtensionFunc(table.m_glMultiTexCoord3dv, "glMultiTexCoord3dv")
-    && QGL_constructExtensionFunc(table.m_glMultiTexCoord3f, "glMultiTexCoord3f")
-    && QGL_constructExtensionFunc(table.m_glMultiTexCoord3fv, "glMultiTexCoord3fv")
-    && QGL_constructExtensionFunc(table.m_glMultiTexCoord3i, "glMultiTexCoord3i")
-    && QGL_constructExtensionFunc(table.m_glMultiTexCoord3iv, "glMultiTexCoord3iv")
-    && QGL_constructExtensionFunc(table.m_glMultiTexCoord3s, "glMultiTexCoord3s")
-    && QGL_constructExtensionFunc(table.m_glMultiTexCoord3sv, "glMultiTexCoord3sv")
-    && QGL_constructExtensionFunc(table.m_glMultiTexCoord4d, "glMultiTexCoord4d")
-    && QGL_constructExtensionFunc(table.m_glMultiTexCoord4dv, "glMultiTexCoord4dv")
-    && QGL_constructExtensionFunc(table.m_glMultiTexCoord4f, "glMultiTexCoord4f")
-    && QGL_constructExtensionFunc(table.m_glMultiTexCoord4fv, "glMultiTexCoord4fv")
-    && QGL_constructExtensionFunc(table.m_glMultiTexCoord4i, "glMultiTexCoord4i")
-    && QGL_constructExtensionFunc(table.m_glMultiTexCoord4iv, "glMultiTexCoord4iv")
-    && QGL_constructExtensionFunc(table.m_glMultiTexCoord4s, "glMultiTexCoord4s")
-    && QGL_constructExtensionFunc(table.m_glMultiTexCoord4sv, "glMultiTexCoord4sv")
-    && QGL_constructExtensionFunc(table.m_glSampleCoverage, "glSampleCoverage");
-
-    if(!table.support_GL_1_3)
-    {
-      extension_not_implemented("GL_VERSION_1_3");
-    }
-  }
-  else
-  {
-    table.support_GL_1_3 = false;
-  }
-
-  // GL 1.4
-  if(table.major_version > 1 || table.minor_version >= 4)
-  {
-    table.support_GL_1_4 =
-    QGL_constructExtensionFunc(table.m_glBlendColor, "glBlendColor")
-    && QGL_constructExtensionFunc(table.m_glBlendEquation, "glBlendEquation")
-    && QGL_constructExtensionFunc(table.m_glBlendFuncSeparate, "glBlendFuncSeparate")
-    && QGL_constructExtensionFunc(table.m_glFogCoordPointer, "glFogCoordPointer")
-    && QGL_constructExtensionFunc(table.m_glFogCoordd, "glFogCoordd")
-    && QGL_constructExtensionFunc(table.m_glFogCoorddv, "glFogCoorddv")
-    && QGL_constructExtensionFunc(table.m_glFogCoordf, "glFogCoordf")
-    && QGL_constructExtensionFunc(table.m_glFogCoordfv, "glFogCoordfv")
-    && QGL_constructExtensionFunc(table.m_glMultiDrawArrays, "glMultiDrawArrays")
-    && QGL_constructExtensionFunc(table.m_glMultiDrawElements, "glMultiDrawElements")
-    && QGL_constructExtensionFunc(table.m_glPointParameterf, "glPointParameterf")
-    && QGL_constructExtensionFunc(table.m_glPointParameterfv, "glPointParameterfv")
-    && QGL_constructExtensionFunc(table.m_glSecondaryColor3b, "glSecondaryColor3b")
-    && QGL_constructExtensionFunc(table.m_glSecondaryColor3bv, "glSecondaryColor3bv")
-    && QGL_constructExtensionFunc(table.m_glSecondaryColor3d, "glSecondaryColor3d")
-    && QGL_constructExtensionFunc(table.m_glSecondaryColor3dv, "glSecondaryColor3dv")
-    && QGL_constructExtensionFunc(table.m_glSecondaryColor3f, "glSecondaryColor3f")
-    && QGL_constructExtensionFunc(table.m_glSecondaryColor3fv, "glSecondaryColor3fv")
-    && QGL_constructExtensionFunc(table.m_glSecondaryColor3i, "glSecondaryColor3i")
-    && QGL_constructExtensionFunc(table.m_glSecondaryColor3iv, "glSecondaryColor3iv")
-    && QGL_constructExtensionFunc(table.m_glSecondaryColor3s, "glSecondaryColor3s")
-    && QGL_constructExtensionFunc(table.m_glSecondaryColor3sv, "glSecondaryColor3sv")
-    && QGL_constructExtensionFunc(table.m_glSecondaryColor3ub, "glSecondaryColor3ub")
-    && QGL_constructExtensionFunc(table.m_glSecondaryColor3ubv, "glSecondaryColor3ubv")
-    && QGL_constructExtensionFunc(table.m_glSecondaryColor3ui, "glSecondaryColor3ui")
-    && QGL_constructExtensionFunc(table.m_glSecondaryColor3uiv, "glSecondaryColor3uiv")
-    && QGL_constructExtensionFunc(table.m_glSecondaryColor3us, "glSecondaryColor3us")
-    && QGL_constructExtensionFunc(table.m_glSecondaryColor3usv, "glSecondaryColor3usv")
-    && QGL_constructExtensionFunc(table.m_glSecondaryColorPointer, "glSecondaryColorPointer")
-    && QGL_constructExtensionFunc(table.m_glWindowPos2d, "glWindowPos2d")
-    && QGL_constructExtensionFunc(table.m_glWindowPos2dv, "glWindowPos2dv")
-    && QGL_constructExtensionFunc(table.m_glWindowPos2f, "glWindowPos2f")
-    && QGL_constructExtensionFunc(table.m_glWindowPos2fv, "glWindowPos2fv")
-    && QGL_constructExtensionFunc(table.m_glWindowPos2i, "glWindowPos2i")
-    && QGL_constructExtensionFunc(table.m_glWindowPos2iv, "glWindowPos2iv")
-    && QGL_constructExtensionFunc(table.m_glWindowPos2s, "glWindowPos2s")
-    && QGL_constructExtensionFunc(table.m_glWindowPos2sv, "glWindowPos2sv")
-    && QGL_constructExtensionFunc(table.m_glWindowPos3d, "glWindowPos3d")
-    && QGL_constructExtensionFunc(table.m_glWindowPos3dv, "glWindowPos3dv")
-    && QGL_constructExtensionFunc(table.m_glWindowPos3f, "glWindowPos3f")
-    && QGL_constructExtensionFunc(table.m_glWindowPos3fv, "glWindowPos3fv")
-    && QGL_constructExtensionFunc(table.m_glWindowPos3i, "glWindowPos3i")
-    && QGL_constructExtensionFunc(table.m_glWindowPos3iv, "glWindowPos3iv")
-    && QGL_constructExtensionFunc(table.m_glWindowPos3s, "glWindowPos3s")
-    && QGL_constructExtensionFunc(table.m_glWindowPos3sv, "glWindowPos3sv");
-
-    if(!table.support_GL_1_4)
-    {
-      extension_not_implemented("GL_VERSION_1_4");
-    }
-  }
-  else
-  {
-    table.support_GL_1_4 = false;
-  }
-  
-  // GL 1.5
-  if(table.major_version > 1 || table.minor_version >= 5)
-  {
-    table.support_GL_1_5 =
-    QGL_constructExtensionFunc(table.m_glBeginQuery, "glBeginQuery")
-    && QGL_constructExtensionFunc(table.m_glBindBuffer, "glBindBuffer")
-    && QGL_constructExtensionFunc(table.m_glBufferData, "glBufferData")
-    && QGL_constructExtensionFunc(table.m_glBufferSubData, "glBufferSubData")
-    && QGL_constructExtensionFunc(table.m_glDeleteBuffers, "glDeleteBuffers")
-    && QGL_constructExtensionFunc(table.m_glDeleteQueries, "glDeleteQueries")
-    && QGL_constructExtensionFunc(table.m_glEndQuery, "glEndQuery")
-    && QGL_constructExtensionFunc(table.m_glGenBuffers, "glGenBuffers")
-    && QGL_constructExtensionFunc(table.m_glGenQueries, "glGenQueries")
-    && QGL_constructExtensionFunc(table.m_glGetBufferParameteriv, "glGetBufferParameteriv")
-    && QGL_constructExtensionFunc(table.m_glGetBufferPointerv, "glGetBufferPointerv")
-    && QGL_constructExtensionFunc(table.m_glGetBufferSubData, "glGetBufferSubData")
-    && QGL_constructExtensionFunc(table.m_glGetQueryObjectiv, "glGetQueryObjectiv")
-    && QGL_constructExtensionFunc(table.m_glGetQueryObjectuiv, "glGetQueryObjectuiv")
-    && QGL_constructExtensionFunc(table.m_glGetQueryiv, "glGetQueryiv")
-    && QGL_constructExtensionFunc(table.m_glIsBuffer, "glIsBuffer")
-    && QGL_constructExtensionFunc(table.m_glIsQuery, "glIsQuery")
-    && QGL_constructExtensionFunc(table.m_glMapBuffer, "glMapBuffer")
-    && QGL_constructExtensionFunc(table.m_glUnmapBuffer, "glUnmapBuffer");
-
-    if(!table.support_GL_1_5)
-    {
-      extension_not_implemented("GL_VERSION_1_5");
-    }
-  }
-  else
-  {
-    table.support_GL_1_5 = false;
-  }
-
-
-  if(QGL_ExtensionSupported("GL_ARB_vertex_program"))
-  {
-    table.support_ARB_vertex_program = 
-    QGL_constructExtensionFunc(table.m_glVertexAttrib1sARB, "glVertexAttrib1sARB")
-    && QGL_constructExtensionFunc(table.m_glVertexAttrib1fARB, "glVertexAttrib1fARB")
-    && QGL_constructExtensionFunc(table.m_glVertexAttrib1dARB, "glVertexAttrib1dARB")
-    && QGL_constructExtensionFunc(table.m_glVertexAttrib2sARB, "glVertexAttrib2sARB")
-    && QGL_constructExtensionFunc(table.m_glVertexAttrib2fARB, "glVertexAttrib2fARB")
-    && QGL_constructExtensionFunc(table.m_glVertexAttrib2dARB, "glVertexAttrib2dARB")
-    && QGL_constructExtensionFunc(table.m_glVertexAttrib3sARB, "glVertexAttrib3sARB")
-    && QGL_constructExtensionFunc(table.m_glVertexAttrib3fARB, "glVertexAttrib3fARB")
-    && QGL_constructExtensionFunc(table.m_glVertexAttrib3dARB, "glVertexAttrib3dARB")
-    && QGL_constructExtensionFunc(table.m_glVertexAttrib4sARB, "glVertexAttrib4sARB")
-    && QGL_constructExtensionFunc(table.m_glVertexAttrib4fARB, "glVertexAttrib4fARB")
-    && QGL_constructExtensionFunc(table.m_glVertexAttrib4dARB, "glVertexAttrib4dARB")
-    && QGL_constructExtensionFunc(table.m_glVertexAttrib4NubARB, "glVertexAttrib4NubARB")
-    && QGL_constructExtensionFunc(table.m_glVertexAttrib1svARB, "glVertexAttrib1svARB")
-    && QGL_constructExtensionFunc(table.m_glVertexAttrib1fvARB, "glVertexAttrib1fvARB")
-    && QGL_constructExtensionFunc(table.m_glVertexAttrib1dvARB, "glVertexAttrib1dvARB")
-    && QGL_constructExtensionFunc(table.m_glVertexAttrib2svARB, "glVertexAttrib2svARB")
-    && QGL_constructExtensionFunc(table.m_glVertexAttrib2fvARB, "glVertexAttrib2fvARB")
-    && QGL_constructExtensionFunc(table.m_glVertexAttrib2dvARB, "glVertexAttrib2dvARB")
-    && QGL_constructExtensionFunc(table.m_glVertexAttrib3svARB, "glVertexAttrib3svARB")
-    && QGL_constructExtensionFunc(table.m_glVertexAttrib3fvARB, "glVertexAttrib3fvARB")
-    && QGL_constructExtensionFunc(table.m_glVertexAttrib3dvARB, "glVertexAttrib3dvARB")
-    && QGL_constructExtensionFunc(table.m_glVertexAttrib4bvARB, "glVertexAttrib4bvARB")
-    && QGL_constructExtensionFunc(table.m_glVertexAttrib4svARB, "glVertexAttrib4svARB")
-    && QGL_constructExtensionFunc(table.m_glVertexAttrib4ivARB, "glVertexAttrib4ivARB")
-    && QGL_constructExtensionFunc(table.m_glVertexAttrib4ubvARB, "glVertexAttrib4ubvARB")
-    && QGL_constructExtensionFunc(table.m_glVertexAttrib4usvARB, "glVertexAttrib4usvARB")
-    && QGL_constructExtensionFunc(table.m_glVertexAttrib4uivARB, "glVertexAttrib4uivARB")
-    && QGL_constructExtensionFunc(table.m_glVertexAttrib4fvARB, "glVertexAttrib4fvARB")
-    && QGL_constructExtensionFunc(table.m_glVertexAttrib4dvARB, "glVertexAttrib4dvARB")
-    && QGL_constructExtensionFunc(table.m_glVertexAttrib4NbvARB, "glVertexAttrib4NbvARB")
-    && QGL_constructExtensionFunc(table.m_glVertexAttrib4NsvARB, "glVertexAttrib4NsvARB")
-    && QGL_constructExtensionFunc(table.m_glVertexAttrib4NivARB, "glVertexAttrib4NivARB")
-    && QGL_constructExtensionFunc(table.m_glVertexAttrib4NubvARB, "glVertexAttrib4NubvARB")
-    && QGL_constructExtensionFunc(table.m_glVertexAttrib4NusvARB, "glVertexAttrib4NusvARB")
-    && QGL_constructExtensionFunc(table.m_glVertexAttrib4NuivARB, "glVertexAttrib4NuivARB")
-    && QGL_constructExtensionFunc(table.m_glVertexAttribPointerARB, "glVertexAttribPointerARB")
-    && QGL_constructExtensionFunc(table.m_glEnableVertexAttribArrayARB, "glEnableVertexAttribArrayARB")
-    && QGL_constructExtensionFunc(table.m_glDisableVertexAttribArrayARB, "glDisableVertexAttribArrayARB")
-    && QGL_constructExtensionFunc(table.m_glProgramStringARB, "glProgramStringARB")
-    && QGL_constructExtensionFunc(table.m_glBindProgramARB, "glBindProgramARB")
-    && QGL_constructExtensionFunc(table.m_glDeleteProgramsARB, "glDeleteProgramsARB")
-    && QGL_constructExtensionFunc(table.m_glGenProgramsARB, "glGenProgramsARB")
-    && QGL_constructExtensionFunc(table.m_glProgramEnvParameter4dARB, "glProgramEnvParameter4dARB")
-    && QGL_constructExtensionFunc(table.m_glProgramEnvParameter4dvARB, "glProgramEnvParameter4dvARB")
-    && QGL_constructExtensionFunc(table.m_glProgramEnvParameter4fARB, "glProgramEnvParameter4fARB")
-    && QGL_constructExtensionFunc(table.m_glProgramEnvParameter4fvARB, "glProgramEnvParameter4fvARB")
-    && QGL_constructExtensionFunc(table.m_glProgramLocalParameter4dARB, "glProgramLocalParameter4dARB")
-    && QGL_constructExtensionFunc(table.m_glProgramLocalParameter4dvARB, "glProgramLocalParameter4dvARB")
-    && QGL_constructExtensionFunc(table.m_glProgramLocalParameter4fARB, "glProgramLocalParameter4fARB")
-    && QGL_constructExtensionFunc(table.m_glProgramLocalParameter4fvARB, "glProgramLocalParameter4fvARB")
-    && QGL_constructExtensionFunc(table.m_glGetProgramEnvParameterdvARB, "glGetProgramEnvParameterdvARB")
-    && QGL_constructExtensionFunc(table.m_glGetProgramEnvParameterfvARB, "glGetProgramEnvParameterfvARB")
-    && QGL_constructExtensionFunc(table.m_glGetProgramLocalParameterdvARB, "glGetProgramLocalParameterdvARB")
-    && QGL_constructExtensionFunc(table.m_glGetProgramLocalParameterfvARB, "glGetProgramLocalParameterfvARB")
-    && QGL_constructExtensionFunc(table.m_glGetProgramivARB, "glGetProgramivARB")
-    && QGL_constructExtensionFunc(table.m_glGetProgramStringARB, "glGetProgramStringARB")
-    && QGL_constructExtensionFunc(table.m_glGetVertexAttribdvARB, "glGetVertexAttribdvARB")
-    && QGL_constructExtensionFunc(table.m_glGetVertexAttribfvARB, "glGetVertexAttribfvARB")
-    && QGL_constructExtensionFunc(table.m_glGetVertexAttribivARB, "glGetVertexAttribivARB")
-    && QGL_constructExtensionFunc(table.m_glGetVertexAttribPointervARB, "glGetVertexAttribPointervARB")
-    && QGL_constructExtensionFunc(table.m_glIsProgramARB, "glIsProgramARB");
-
-    if(!table.support_ARB_vertex_program)
-    {
-      extension_not_implemented("GL_ARB_vertex_program");
-    }
-  }
-  else
-  {
-    table.support_ARB_vertex_program = false;
-  }
-
-
-  table.support_ARB_fragment_program = QGL_ExtensionSupported("GL_ARB_fragment_program");
-
-  if(QGL_ExtensionSupported("GL_ARB_shader_objects"))
-  {
-    table.support_ARB_shader_objects =
-    QGL_constructExtensionFunc(table.m_glDeleteObjectARB, "glDeleteObjectARB")
-    && QGL_constructExtensionFunc(table.m_glGetHandleARB, "glGetHandleARB")
-    && QGL_constructExtensionFunc(table.m_glDetachObjectARB, "glDetachObjectARB")
-    && QGL_constructExtensionFunc(table.m_glCreateShaderObjectARB, "glCreateShaderObjectARB")
-    && QGL_constructExtensionFunc(table.m_glShaderSourceARB, "glShaderSourceARB")
-    && QGL_constructExtensionFunc(table.m_glCompileShaderARB, "glCompileShaderARB")
-    && QGL_constructExtensionFunc(table.m_glCreateProgramObjectARB, "glCreateProgramObjectARB")
-    && QGL_constructExtensionFunc(table.m_glAttachObjectARB, "glAttachObjectARB")
-    && QGL_constructExtensionFunc(table.m_glLinkProgramARB, "glLinkProgramARB")
-    && QGL_constructExtensionFunc(table.m_glUseProgramObjectARB, "glUseProgramObjectARB")
-    && QGL_constructExtensionFunc(table.m_glValidateProgramARB, "glValidateProgramARB")
-    && QGL_constructExtensionFunc(table.m_glUniform1fARB, "glUniform1fARB")
-    && QGL_constructExtensionFunc(table.m_glUniform2fARB, "glUniform2fARB")
-    && QGL_constructExtensionFunc(table.m_glUniform3fARB, "glUniform3fARB")
-    && QGL_constructExtensionFunc(table.m_glUniform4fARB, "glUniform4fARB")
-    && QGL_constructExtensionFunc(table.m_glUniform1iARB, "glUniform1iARB")
-    && QGL_constructExtensionFunc(table.m_glUniform2iARB, "glUniform2iARB")
-    && QGL_constructExtensionFunc(table.m_glUniform3iARB, "glUniform3iARB")
-    && QGL_constructExtensionFunc(table.m_glUniform4iARB, "glUniform4iARB")
-    && QGL_constructExtensionFunc(table.m_glUniform1fvARB, "glUniform1fvARB")
-    && QGL_constructExtensionFunc(table.m_glUniform2fvARB, "glUniform2fvARB")
-    && QGL_constructExtensionFunc(table.m_glUniform3fvARB, "glUniform3fvARB")
-    && QGL_constructExtensionFunc(table.m_glUniform4fvARB, "glUniform4fvARB")
-    && QGL_constructExtensionFunc(table.m_glUniform1ivARB, "glUniform1ivARB")
-    && QGL_constructExtensionFunc(table.m_glUniform2ivARB, "glUniform2ivARB")
-    && QGL_constructExtensionFunc(table.m_glUniform3ivARB, "glUniform3ivARB")
-    && QGL_constructExtensionFunc(table.m_glUniform4ivARB, "glUniform4ivARB")
-    && QGL_constructExtensionFunc(table.m_glUniformMatrix2fvARB, "glUniformMatrix2fvARB")
-    && QGL_constructExtensionFunc(table.m_glUniformMatrix3fvARB, "glUniformMatrix3fvARB")
-    && QGL_constructExtensionFunc(table.m_glUniformMatrix4fvARB, "glUniformMatrix4fvARB")
-    && QGL_constructExtensionFunc(table.m_glGetObjectParameterfvARB, "glGetObjectParameterfvARB")
-    && QGL_constructExtensionFunc(table.m_glGetObjectParameterivARB, "glGetObjectParameterivARB")
-    && QGL_constructExtensionFunc(table.m_glGetInfoLogARB, "glGetInfoLogARB")
-    && QGL_constructExtensionFunc(table.m_glGetAttachedObjectsARB, "glGetAttachedObjectsARB")
-    && QGL_constructExtensionFunc(table.m_glGetUniformLocationARB, "glGetUniformLocationARB")
-    && QGL_constructExtensionFunc(table.m_glGetActiveUniformARB, "glGetActiveUniformARB")
-    && QGL_constructExtensionFunc(table.m_glGetUniformfvARB, "glGetUniformfvARB")
-    && QGL_constructExtensionFunc(table.m_glGetUniformivARB, "glGetUniformivARB")
-    && QGL_constructExtensionFunc(table.m_glGetShaderSourceARB, "glGetShaderSourceARB");
-
-    if(!table.support_ARB_shader_objects)
-    {
-      extension_not_implemented("GL_ARB_shader_objects");
-    }
-  }
-  else
-  {
-    table.support_ARB_shader_objects = false;
-  }
-
-  if(QGL_ExtensionSupported("GL_ARB_vertex_shader"))
-  {
-    table.support_ARB_vertex_shader =
-    QGL_constructExtensionFunc(table.m_glVertexAttrib1fARB, "glVertexAttrib1fARB")
-    && QGL_constructExtensionFunc(table.m_glVertexAttrib1sARB, "glVertexAttrib1sARB")
-    && QGL_constructExtensionFunc(table.m_glVertexAttrib1dARB, "glVertexAttrib1dARB")
-    && QGL_constructExtensionFunc(table.m_glVertexAttrib2fARB, "glVertexAttrib2fARB")
-    && QGL_constructExtensionFunc(table.m_glVertexAttrib2sARB, "glVertexAttrib2sARB")
-    && QGL_constructExtensionFunc(table.m_glVertexAttrib2dARB, "glVertexAttrib2dARB")
-    && QGL_constructExtensionFunc(table.m_glVertexAttrib3fARB, "glVertexAttrib3fARB")
-    && QGL_constructExtensionFunc(table.m_glVertexAttrib3sARB, "glVertexAttrib3sARB")
-    && QGL_constructExtensionFunc(table.m_glVertexAttrib3dARB, "glVertexAttrib3dARB")
-    && QGL_constructExtensionFunc(table.m_glVertexAttrib4fARB, "glVertexAttrib4fARB")
-    && QGL_constructExtensionFunc(table.m_glVertexAttrib4sARB, "glVertexAttrib4sARB")
-    && QGL_constructExtensionFunc(table.m_glVertexAttrib4dARB, "glVertexAttrib4dARB")
-    && QGL_constructExtensionFunc(table.m_glVertexAttrib4NubARB, "glVertexAttrib4NubARB")
-    && QGL_constructExtensionFunc(table.m_glVertexAttrib1fvARB, "glVertexAttrib1fvARB")
-    && QGL_constructExtensionFunc(table.m_glVertexAttrib1svARB, "glVertexAttrib1svARB")
-    && QGL_constructExtensionFunc(table.m_glVertexAttrib1dvARB, "glVertexAttrib1dvARB")
-    && QGL_constructExtensionFunc(table.m_glVertexAttrib2fvARB, "glVertexAttrib2fvARB")
-    && QGL_constructExtensionFunc(table.m_glVertexAttrib2svARB, "glVertexAttrib2svARB")
-    && QGL_constructExtensionFunc(table.m_glVertexAttrib2dvARB, "glVertexAttrib2dvARB")
-    && QGL_constructExtensionFunc(table.m_glVertexAttrib3fvARB, "glVertexAttrib3fvARB")
-    && QGL_constructExtensionFunc(table.m_glVertexAttrib3svARB, "glVertexAttrib3svARB")
-    && QGL_constructExtensionFunc(table.m_glVertexAttrib3dvARB, "glVertexAttrib3dvARB")
-    && QGL_constructExtensionFunc(table.m_glVertexAttrib4fvARB, "glVertexAttrib4fvARB")
-    && QGL_constructExtensionFunc(table.m_glVertexAttrib4svARB, "glVertexAttrib4svARB")
-    && QGL_constructExtensionFunc(table.m_glVertexAttrib4dvARB, "glVertexAttrib4dvARB")
-    && QGL_constructExtensionFunc(table.m_glVertexAttrib4ivARB, "glVertexAttrib4ivARB")
-    && QGL_constructExtensionFunc(table.m_glVertexAttrib4bvARB, "glVertexAttrib4bvARB")
-    && QGL_constructExtensionFunc(table.m_glVertexAttrib4ubvARB, "glVertexAttrib4ubvARB")
-    && QGL_constructExtensionFunc(table.m_glVertexAttrib4usvARB, "glVertexAttrib4usvARB")
-    && QGL_constructExtensionFunc(table.m_glVertexAttrib4uivARB, "glVertexAttrib4uivARB")
-    && QGL_constructExtensionFunc(table.m_glVertexAttrib4NbvARB, "glVertexAttrib4NbvARB")
-    && QGL_constructExtensionFunc(table.m_glVertexAttrib4NsvARB, "glVertexAttrib4NsvARB")
-    && QGL_constructExtensionFunc(table.m_glVertexAttrib4NivARB, "glVertexAttrib4NivARB")
-    && QGL_constructExtensionFunc(table.m_glVertexAttrib4NubvARB, "glVertexAttrib4NubvARB")
-    && QGL_constructExtensionFunc(table.m_glVertexAttrib4NusvARB, "glVertexAttrib4NusvARB")
-    && QGL_constructExtensionFunc(table.m_glVertexAttrib4NuivARB, "glVertexAttrib4NuivARB")
-    && QGL_constructExtensionFunc(table.m_glVertexAttribPointerARB, "glVertexAttribPointerARB")
-    && QGL_constructExtensionFunc(table.m_glEnableVertexAttribArrayARB, "glEnableVertexAttribArrayARB")
-    && QGL_constructExtensionFunc(table.m_glDisableVertexAttribArrayARB, "glDisableVertexAttribArrayARB")
-    && QGL_constructExtensionFunc(table.m_glGetVertexAttribdvARB, "glGetVertexAttribdvARB")
-    && QGL_constructExtensionFunc(table.m_glGetVertexAttribfvARB, "glGetVertexAttribfvARB")
-    && QGL_constructExtensionFunc(table.m_glGetVertexAttribivARB, "glGetVertexAttribivARB")
-    && QGL_constructExtensionFunc(table.m_glGetVertexAttribPointervARB, "glGetVertexAttribPointervARB")
-    && QGL_constructExtensionFunc(table.m_glBindAttribLocationARB, "glBindAttribLocationARB")
-    && QGL_constructExtensionFunc(table.m_glGetActiveAttribARB, "glGetActiveAttribARB")
-    && QGL_constructExtensionFunc(table.m_glGetAttribLocationARB, "glGetAttribLocationARB");
-
-    if(!table.support_ARB_vertex_shader)
-    {
-      extension_not_implemented("GL_ARB_vertex_shader");
-    }
-  }
-  else
-  {
-    table.support_ARB_vertex_shader = false;
-  }
-
-  if(QGL_ExtensionSupported("GL_NV_vertex_program2"))
-  {
-    table.support_NV_vertex_program2 =
-    QGL_constructExtensionFunc(table.m_glAreProgramsResidentNV, "glAreProgramsResidentNV")
-    && QGL_constructExtensionFunc(table.m_glBindProgramNV, "glBindProgramNV")
-    && QGL_constructExtensionFunc(table.m_glDeleteProgramsNV, "glDeleteProgramsNV")
-    && QGL_constructExtensionFunc(table.m_glExecuteProgramNV, "glExecuteProgramNV")
-    && QGL_constructExtensionFunc(table.m_glGenProgramsNV, "glGenProgramsNV")
-    && QGL_constructExtensionFunc(table.m_glGetProgramParameterdvNV, "glGetProgramParameterdvNV")
-    && QGL_constructExtensionFunc(table.m_glGetProgramParameterfvNV, "glGetProgramParameterfvNV")
-    && QGL_constructExtensionFunc(table.m_glGetProgramivNV, "glGetProgramivNV")
-    && QGL_constructExtensionFunc(table.m_glGetProgramStringNV, "glGetProgramStringNV")
-    && QGL_constructExtensionFunc(table.m_glGetTrackMatrixivNV, "glGetTrackMatrixivNV")
-    && QGL_constructExtensionFunc(table.m_glGetVertexAttribdvNV, "glGetVertexAttribdvNV")
-    && QGL_constructExtensionFunc(table.m_glGetVertexAttribfvNV, "glGetVertexAttribfvNV")
-    && QGL_constructExtensionFunc(table.m_glGetVertexAttribivNV, "glGetVertexAttribivNV")
-    && QGL_constructExtensionFunc(table.m_glGetVertexAttribPointervNV, "glGetVertexAttribPointervNV")
-    && QGL_constructExtensionFunc(table.m_glIsProgramNV, "glIsProgramNV")
-    && QGL_constructExtensionFunc(table.m_glLoadProgramNV, "glLoadProgramNV")
-    && QGL_constructExtensionFunc(table.m_glProgramParameter4fNV, "glProgramParameter4fNV")
-    && QGL_constructExtensionFunc(table.m_glProgramParameter4fvNV, "glProgramParameter4fvNV")
-    && QGL_constructExtensionFunc(table.m_glProgramParameters4fvNV, "glProgramParameters4fvNV")
-    && QGL_constructExtensionFunc(table.m_glRequestResidentProgramsNV, "glRequestResidentProgramsNV")
-    && QGL_constructExtensionFunc(table.m_glTrackMatrixNV, "glTrackMatrixNV")
-    && QGL_constructExtensionFunc(table.m_glVertexAttribPointerNV, "glVertexAttribPointerNV")
-    && QGL_constructExtensionFunc(table.m_glVertexAttrib1fNV, "glVertexAttrib1fNV")
-    && QGL_constructExtensionFunc(table.m_glVertexAttrib1fvNV, "glVertexAttrib1fvNV")
-    && QGL_constructExtensionFunc(table.m_glVertexAttrib2fNV, "glVertexAttrib2fNV")
-    && QGL_constructExtensionFunc(table.m_glVertexAttrib2fvNV, "glVertexAttrib2fvNV")
-    && QGL_constructExtensionFunc(table.m_glVertexAttrib3fNV, "glVertexAttrib3fNV")
-    && QGL_constructExtensionFunc(table.m_glVertexAttrib3fvNV, "glVertexAttrib3fvNV")
-    && QGL_constructExtensionFunc(table.m_glVertexAttrib4fNV, "glVertexAttrib4fNV")
-    && QGL_constructExtensionFunc(table.m_glVertexAttrib4fvNV, "glVertexAttrib4fvNV")
-    && QGL_constructExtensionFunc(table.m_glVertexAttribs1fvNV, "glVertexAttribs1fvNV")
-    && QGL_constructExtensionFunc(table.m_glVertexAttribs2fvNV, "glVertexAttribs2fvNV")
-    && QGL_constructExtensionFunc(table.m_glVertexAttribs3fvNV, "glVertexAttribs3fvNV")
-    && QGL_constructExtensionFunc(table.m_glVertexAttribs4fvNV, "glVertexAttribs4fvNV");
-
-    if(!table.support_NV_vertex_program2)
-    {
-      extension_not_implemented("GL_NV_vertex_program2");
-    }
-  }
-  else
-  {
-    table.support_NV_vertex_program2 = false;
-    QGL_invalidateExtensionFunc(table.m_glAreProgramsResidentNV);
-    QGL_invalidateExtensionFunc(table.m_glBindProgramNV);
-    QGL_invalidateExtensionFunc(table.m_glDeleteProgramsNV);
-    QGL_invalidateExtensionFunc(table.m_glExecuteProgramNV);
-    QGL_invalidateExtensionFunc(table.m_glGenProgramsNV);
-    QGL_invalidateExtensionFunc(table.m_glGetProgramParameterdvNV);
-    QGL_invalidateExtensionFunc(table.m_glGetProgramParameterfvNV);
-    QGL_invalidateExtensionFunc(table.m_glGetProgramivNV);
-    QGL_invalidateExtensionFunc(table.m_glGetProgramStringNV);
-    QGL_invalidateExtensionFunc(table.m_glGetTrackMatrixivNV);
-    QGL_invalidateExtensionFunc(table.m_glGetVertexAttribdvNV);
-    QGL_invalidateExtensionFunc(table.m_glGetVertexAttribfvNV);
-    QGL_invalidateExtensionFunc(table.m_glGetVertexAttribivNV);
-    QGL_invalidateExtensionFunc(table.m_glGetVertexAttribPointervNV);
-    QGL_invalidateExtensionFunc(table.m_glIsProgramNV);
-    QGL_invalidateExtensionFunc(table.m_glLoadProgramNV);
-    QGL_invalidateExtensionFunc(table.m_glProgramParameter4fNV);
-    QGL_invalidateExtensionFunc(table.m_glProgramParameter4fvNV);
-    QGL_invalidateExtensionFunc(table.m_glProgramParameters4fvNV);
-    QGL_invalidateExtensionFunc(table.m_glRequestResidentProgramsNV);
-    QGL_invalidateExtensionFunc(table.m_glTrackMatrixNV);
-    QGL_invalidateExtensionFunc(table.m_glVertexAttribPointerNV);
-    QGL_invalidateExtensionFunc(table.m_glVertexAttrib1fNV);
-    QGL_invalidateExtensionFunc(table.m_glVertexAttrib1fvNV);
-    QGL_invalidateExtensionFunc(table.m_glVertexAttrib2fNV);
-    QGL_invalidateExtensionFunc(table.m_glVertexAttrib2fvNV);
-    QGL_invalidateExtensionFunc(table.m_glVertexAttrib3fNV);
-    QGL_invalidateExtensionFunc(table.m_glVertexAttrib3fvNV);
-    QGL_invalidateExtensionFunc(table.m_glVertexAttrib4fNV);
-    QGL_invalidateExtensionFunc(table.m_glVertexAttrib4fvNV);
-    QGL_invalidateExtensionFunc(table.m_glVertexAttribs1fvNV);
-    QGL_invalidateExtensionFunc(table.m_glVertexAttribs2fvNV);
-    QGL_invalidateExtensionFunc(table.m_glVertexAttribs3fvNV);
-    QGL_invalidateExtensionFunc(table.m_glVertexAttribs4fvNV);
-  }
-
-  if(QGL_ExtensionSupported("GL_NV_fragment_program"))
-  {
-    table.support_NV_fragment_program = 
-    QGL_constructExtensionFunc(table.m_glProgramNamedParameter4fNV, "glProgramNamedParameter4fNV")
-    && QGL_constructExtensionFunc(table.m_glProgramNamedParameter4fvNV, "glProgramNamedParameter4fvNV")
-    && QGL_constructExtensionFunc(table.m_glGetProgramNamedParameterfvNV, "glGetProgramNamedParameterfvNV");
-
-    if(!table.support_NV_fragment_program)
-    {
-      extension_not_implemented("GL_NV_fragment_program");
-    }
-  }
-  else
-  {
-    table.support_NV_fragment_program = false;
-  }
-
-  table.support_ARB_fragment_shader = QGL_ExtensionSupported("GL_ARB_fragment_shader");
-  table.support_ARB_shading_language_100 = QGL_ExtensionSupported("GL_ARB_shading_language_100");
-
-  if(QGL_ExtensionSupported("GL_EXT_texture_filter_anisotropic"))
-  {
-    glGetFloatv(GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, &g_maxTextureAnisotropy);
-    globalOutputStream() << "Anisotropic filtering possible (max " << g_maxTextureAnisotropy << "x)\n";
-  }
-  else
-  {
-    globalOutputStream() << "No Anisotropic filtering available\n";
-       g_maxTextureAnisotropy = 0;
-  }
+void QGL_sharedContextCreated( OpenGLBinding& table ){
+       QGL_InitVersion();
+
+       table.major_version = g_qglMajorVersion;
+       table.minor_version = g_qglMinorVersion;
+
+       table.m_glAccum                     = glAccum;
+       table.m_glAlphaFunc                 = glAlphaFunc;
+       table.m_glAreTexturesResident       = glAreTexturesResident;
+       table.m_glArrayElement              = glArrayElement;
+       table.m_glBegin                     = glBegin;
+       table.m_glBindTexture               = glBindTexture;
+       table.m_glBitmap                    = glBitmap;
+       table.m_glBlendFunc                 = glBlendFunc;
+       table.m_glCallList                  = glCallList;
+       table.m_glCallLists                 = glCallLists;
+       table.m_glClear                     = glClear;
+       table.m_glClearAccum                = glClearAccum;
+       table.m_glClearColor                = glClearColor;
+       table.m_glClearDepth                = glClearDepth;
+       table.m_glClearIndex                = glClearIndex;
+       table.m_glClearStencil              = glClearStencil;
+       table.m_glClipPlane                 = glClipPlane;
+       table.m_glColor3b                   = glColor3b;
+       table.m_glColor3bv                  = glColor3bv;
+       table.m_glColor3d                   = glColor3d;
+       table.m_glColor3dv                  = glColor3dv;
+       table.m_glColor3f                   = glColor3f;
+       table.m_glColor3fv                  = glColor3fv;
+       table.m_glColor3i                   = glColor3i;
+       table.m_glColor3iv                  = glColor3iv;
+       table.m_glColor3s                   = glColor3s;
+       table.m_glColor3sv                  = glColor3sv;
+       table.m_glColor3ub                  = glColor3ub;
+       table.m_glColor3ubv                 = glColor3ubv;
+       table.m_glColor3ui                  = glColor3ui;
+       table.m_glColor3uiv                 = glColor3uiv;
+       table.m_glColor3us                  = glColor3us;
+       table.m_glColor3usv                 = glColor3usv;
+       table.m_glColor4b                   = glColor4b;
+       table.m_glColor4bv                  = glColor4bv;
+       table.m_glColor4d                   = glColor4d;
+       table.m_glColor4dv                  = glColor4dv;
+       table.m_glColor4f                   = glColor4f;
+       table.m_glColor4fv                  = glColor4fv;
+       table.m_glColor4i                   = glColor4i;
+       table.m_glColor4iv                  = glColor4iv;
+       table.m_glColor4s                   = glColor4s;
+       table.m_glColor4sv                  = glColor4sv;
+       table.m_glColor4ub                  = glColor4ub;
+       table.m_glColor4ubv                 = glColor4ubv;
+       table.m_glColor4ui                  = glColor4ui;
+       table.m_glColor4uiv                 = glColor4uiv;
+       table.m_glColor4us                  = glColor4us;
+       table.m_glColor4usv                 = glColor4usv;
+       table.m_glColorMask                 = glColorMask;
+       table.m_glColorMaterial             = glColorMaterial;
+       table.m_glColorPointer              = glColorPointer;
+       table.m_glCopyPixels                = glCopyPixels;
+       table.m_glCopyTexImage1D            = glCopyTexImage1D;
+       table.m_glCopyTexImage2D            = glCopyTexImage2D;
+       table.m_glCopyTexSubImage1D         = glCopyTexSubImage1D;
+       table.m_glCopyTexSubImage2D         = glCopyTexSubImage2D;
+       table.m_glCullFace                  = glCullFace;
+       table.m_glDeleteLists               = glDeleteLists;
+       table.m_glDeleteTextures            = glDeleteTextures;
+       table.m_glDepthFunc                 = glDepthFunc;
+       table.m_glDepthMask                 = glDepthMask;
+       table.m_glDepthRange                = glDepthRange;
+       table.m_glDisable                   = glDisable;
+       table.m_glDisableClientState        = glDisableClientState;
+       table.m_glDrawArrays                = glDrawArrays;
+       table.m_glDrawBuffer                = glDrawBuffer;
+       table.m_glDrawElements              = glDrawElements;
+       table.m_glDrawPixels                = glDrawPixels;
+       table.m_glEdgeFlag                  = glEdgeFlag;
+       table.m_glEdgeFlagPointer           = glEdgeFlagPointer;
+       table.m_glEdgeFlagv                 = glEdgeFlagv;
+       table.m_glEnable                    = glEnable;
+       table.m_glEnableClientState         = glEnableClientState;
+       table.m_glEnd                       = glEnd;
+       table.m_glEndList                   = glEndList;
+       table.m_glEvalCoord1d               = glEvalCoord1d;
+       table.m_glEvalCoord1dv              = glEvalCoord1dv;
+       table.m_glEvalCoord1f               = glEvalCoord1f;
+       table.m_glEvalCoord1fv              = glEvalCoord1fv;
+       table.m_glEvalCoord2d               = glEvalCoord2d;
+       table.m_glEvalCoord2dv              = glEvalCoord2dv;
+       table.m_glEvalCoord2f               = glEvalCoord2f;
+       table.m_glEvalCoord2fv              = glEvalCoord2fv;
+       table.m_glEvalMesh1                 = glEvalMesh1;
+       table.m_glEvalMesh2                 = glEvalMesh2;
+       table.m_glEvalPoint1                = glEvalPoint1;
+       table.m_glEvalPoint2                = glEvalPoint2;
+       table.m_glFeedbackBuffer            = glFeedbackBuffer;
+       table.m_glFinish                    = glFinish;
+       table.m_glFlush                     = glFlush;
+       table.m_glFogf                      = glFogf;
+       table.m_glFogfv                     = glFogfv;
+       table.m_glFogi                      = glFogi;
+       table.m_glFogiv                     = glFogiv;
+       table.m_glFrontFace                 = glFrontFace;
+       table.m_glFrustum                   = glFrustum;
+       table.m_glGenLists                  = glGenLists;
+       table.m_glGenTextures               = glGenTextures;
+       table.m_glGetBooleanv               = glGetBooleanv;
+       table.m_glGetClipPlane              = glGetClipPlane;
+       table.m_glGetDoublev                = glGetDoublev;
+       table.m_glGetError                  = glGetError;
+       table.m_glGetFloatv                 = glGetFloatv;
+       table.m_glGetIntegerv               = glGetIntegerv;
+       table.m_glGetLightfv                = glGetLightfv;
+       table.m_glGetLightiv                = glGetLightiv;
+       table.m_glGetMapdv                  = glGetMapdv;
+       table.m_glGetMapfv                  = glGetMapfv;
+       table.m_glGetMapiv                  = glGetMapiv;
+       table.m_glGetMaterialfv             = glGetMaterialfv;
+       table.m_glGetMaterialiv             = glGetMaterialiv;
+       table.m_glGetPixelMapfv             = glGetPixelMapfv;
+       table.m_glGetPixelMapuiv            = glGetPixelMapuiv;
+       table.m_glGetPixelMapusv            = glGetPixelMapusv;
+       table.m_glGetPointerv               = glGetPointerv;
+       table.m_glGetPolygonStipple         = glGetPolygonStipple;
+       table.m_glGetString                 = glGetString;
+       table.m_glGetTexEnvfv               = glGetTexEnvfv;
+       table.m_glGetTexEnviv               = glGetTexEnviv;
+       table.m_glGetTexGendv               = glGetTexGendv;
+       table.m_glGetTexGenfv               = glGetTexGenfv;
+       table.m_glGetTexGeniv               = glGetTexGeniv;
+       table.m_glGetTexImage               = glGetTexImage;
+       table.m_glGetTexLevelParameterfv    = glGetTexLevelParameterfv;
+       table.m_glGetTexLevelParameteriv    = glGetTexLevelParameteriv;
+       table.m_glGetTexParameterfv         = glGetTexParameterfv;
+       table.m_glGetTexParameteriv         = glGetTexParameteriv;
+       table.m_glHint                      = glHint;
+       table.m_glIndexMask                 = glIndexMask;
+       table.m_glIndexPointer              = glIndexPointer;
+       table.m_glIndexd                    = glIndexd;
+       table.m_glIndexdv                   = glIndexdv;
+       table.m_glIndexf                    = glIndexf;
+       table.m_glIndexfv                   = glIndexfv;
+       table.m_glIndexi                    = glIndexi;
+       table.m_glIndexiv                   = glIndexiv;
+       table.m_glIndexs                    = glIndexs;
+       table.m_glIndexsv                   = glIndexsv;
+       table.m_glIndexub                   = glIndexub;
+       table.m_glIndexubv                  = glIndexubv;
+       table.m_glInitNames                 = glInitNames;
+       table.m_glInterleavedArrays         = glInterleavedArrays;
+       table.m_glIsEnabled                 = glIsEnabled;
+       table.m_glIsList                    = glIsList;
+       table.m_glIsTexture                 = glIsTexture;
+       table.m_glLightModelf               = glLightModelf;
+       table.m_glLightModelfv              = glLightModelfv;
+       table.m_glLightModeli               = glLightModeli;
+       table.m_glLightModeliv              = glLightModeliv;
+       table.m_glLightf                    = glLightf;
+       table.m_glLightfv                   = glLightfv;
+       table.m_glLighti                    = glLighti;
+       table.m_glLightiv                   = glLightiv;
+       table.m_glLineStipple               = glLineStipple;
+       table.m_glLineWidth                 = glLineWidth;
+       table.m_glListBase                  = glListBase;
+       table.m_glLoadIdentity              = glLoadIdentity;
+       table.m_glLoadMatrixd               = glLoadMatrixd;
+       table.m_glLoadMatrixf               = glLoadMatrixf;
+       table.m_glLoadName                  = glLoadName;
+       table.m_glLogicOp                   = glLogicOp;
+       table.m_glMap1d                     = glMap1d;
+       table.m_glMap1f                     = glMap1f;
+       table.m_glMap2d                     = glMap2d;
+       table.m_glMap2f                     = glMap2f;
+       table.m_glMapGrid1d                 = glMapGrid1d;
+       table.m_glMapGrid1f                 = glMapGrid1f;
+       table.m_glMapGrid2d                 = glMapGrid2d;
+       table.m_glMapGrid2f                 = glMapGrid2f;
+       table.m_glMaterialf                 = glMaterialf;
+       table.m_glMaterialfv                = glMaterialfv;
+       table.m_glMateriali                 = glMateriali;
+       table.m_glMaterialiv                = glMaterialiv;
+       table.m_glMatrixMode                = glMatrixMode;
+       table.m_glMultMatrixd               = glMultMatrixd;
+       table.m_glMultMatrixf               = glMultMatrixf;
+       table.m_glNewList                   = glNewList;
+       table.m_glNormal3b                  = glNormal3b;
+       table.m_glNormal3bv                 = glNormal3bv;
+       table.m_glNormal3d                  = glNormal3d;
+       table.m_glNormal3dv                 = glNormal3dv;
+       table.m_glNormal3f                  = glNormal3f;
+       table.m_glNormal3fv                 = glNormal3fv;
+       table.m_glNormal3i                  = glNormal3i;
+       table.m_glNormal3iv                 = glNormal3iv;
+       table.m_glNormal3s                  = glNormal3s;
+       table.m_glNormal3sv                 = glNormal3sv;
+       table.m_glNormalPointer             = glNormalPointer;
+       table.m_glOrtho                     = glOrtho;
+       table.m_glPassThrough               = glPassThrough;
+       table.m_glPixelMapfv                = glPixelMapfv;
+       table.m_glPixelMapuiv               = glPixelMapuiv;
+       table.m_glPixelMapusv               = glPixelMapusv;
+       table.m_glPixelStoref               = glPixelStoref;
+       table.m_glPixelStorei               = glPixelStorei;
+       table.m_glPixelTransferf            = glPixelTransferf;
+       table.m_glPixelTransferi            = glPixelTransferi;
+       table.m_glPixelZoom                 = glPixelZoom;
+       table.m_glPointSize                 = glPointSize;
+       table.m_glPolygonMode               = glPolygonMode;
+       table.m_glPolygonOffset             = glPolygonOffset;
+       table.m_glPolygonStipple            = glPolygonStipple;
+       table.m_glPopAttrib                 = glPopAttrib;
+       table.m_glPopClientAttrib           = glPopClientAttrib;
+       table.m_glPopMatrix                 = glPopMatrix;
+       table.m_glPopName                   = glPopName;
+       table.m_glPrioritizeTextures        = glPrioritizeTextures;
+       table.m_glPushAttrib                = glPushAttrib;
+       table.m_glPushClientAttrib          = glPushClientAttrib;
+       table.m_glPushMatrix                = glPushMatrix;
+       table.m_glPushName                  = glPushName;
+       table.m_glRasterPos2d               = glRasterPos2d;
+       table.m_glRasterPos2dv              = glRasterPos2dv;
+       table.m_glRasterPos2f               = glRasterPos2f;
+       table.m_glRasterPos2fv              = glRasterPos2fv;
+       table.m_glRasterPos2i               = glRasterPos2i;
+       table.m_glRasterPos2iv              = glRasterPos2iv;
+       table.m_glRasterPos2s               = glRasterPos2s;
+       table.m_glRasterPos2sv              = glRasterPos2sv;
+       table.m_glRasterPos3d               = glRasterPos3d;
+       table.m_glRasterPos3dv              = glRasterPos3dv;
+       table.m_glRasterPos3f               = glRasterPos3f;
+       table.m_glRasterPos3fv              = glRasterPos3fv;
+       table.m_glRasterPos3i               = glRasterPos3i;
+       table.m_glRasterPos3iv              = glRasterPos3iv;
+       table.m_glRasterPos3s               = glRasterPos3s;
+       table.m_glRasterPos3sv              = glRasterPos3sv;
+       table.m_glRasterPos4d               = glRasterPos4d;
+       table.m_glRasterPos4dv              = glRasterPos4dv;
+       table.m_glRasterPos4f               = glRasterPos4f;
+       table.m_glRasterPos4fv              = glRasterPos4fv;
+       table.m_glRasterPos4i               = glRasterPos4i;
+       table.m_glRasterPos4iv              = glRasterPos4iv;
+       table.m_glRasterPos4s               = glRasterPos4s;
+       table.m_glRasterPos4sv              = glRasterPos4sv;
+       table.m_glReadBuffer                = glReadBuffer;
+       table.m_glReadPixels                = glReadPixels;
+       table.m_glRectd                     = glRectd;
+       table.m_glRectdv                    = glRectdv;
+       table.m_glRectf                     = glRectf;
+       table.m_glRectfv                    = glRectfv;
+       table.m_glRecti                     = glRecti;
+       table.m_glRectiv                    = glRectiv;
+       table.m_glRects                     = glRects;
+       table.m_glRectsv                    = glRectsv;
+       table.m_glRenderMode                = glRenderMode;
+       table.m_glRotated                   = glRotated;
+       table.m_glRotatef                   = glRotatef;
+       table.m_glScaled                    = glScaled;
+       table.m_glScalef                    = glScalef;
+       table.m_glScissor                   = glScissor;
+       table.m_glSelectBuffer              = glSelectBuffer;
+       table.m_glShadeModel                = glShadeModel;
+       table.m_glStencilFunc               = glStencilFunc;
+       table.m_glStencilMask               = glStencilMask;
+       table.m_glStencilOp                 = glStencilOp;
+       table.m_glTexCoord1d                = glTexCoord1d;
+       table.m_glTexCoord1dv               = glTexCoord1dv;
+       table.m_glTexCoord1f                = glTexCoord1f;
+       table.m_glTexCoord1fv               = glTexCoord1fv;
+       table.m_glTexCoord1i                = glTexCoord1i;
+       table.m_glTexCoord1iv               = glTexCoord1iv;
+       table.m_glTexCoord1s                = glTexCoord1s;
+       table.m_glTexCoord1sv               = glTexCoord1sv;
+       table.m_glTexCoord2d                = glTexCoord2d;
+       table.m_glTexCoord2dv               = glTexCoord2dv;
+       table.m_glTexCoord2f                = glTexCoord2f;
+       table.m_glTexCoord2fv               = glTexCoord2fv;
+       table.m_glTexCoord2i                = glTexCoord2i;
+       table.m_glTexCoord2iv               = glTexCoord2iv;
+       table.m_glTexCoord2s                = glTexCoord2s;
+       table.m_glTexCoord2sv               = glTexCoord2sv;
+       table.m_glTexCoord3d                = glTexCoord3d;
+       table.m_glTexCoord3dv               = glTexCoord3dv;
+       table.m_glTexCoord3f                = glTexCoord3f;
+       table.m_glTexCoord3fv               = glTexCoord3fv;
+       table.m_glTexCoord3i                = glTexCoord3i;
+       table.m_glTexCoord3iv               = glTexCoord3iv;
+       table.m_glTexCoord3s                = glTexCoord3s;
+       table.m_glTexCoord3sv               = glTexCoord3sv;
+       table.m_glTexCoord4d                = glTexCoord4d;
+       table.m_glTexCoord4dv               = glTexCoord4dv;
+       table.m_glTexCoord4f                = glTexCoord4f;
+       table.m_glTexCoord4fv               = glTexCoord4fv;
+       table.m_glTexCoord4i                = glTexCoord4i;
+       table.m_glTexCoord4iv               = glTexCoord4iv;
+       table.m_glTexCoord4s                = glTexCoord4s;
+       table.m_glTexCoord4sv               = glTexCoord4sv;
+       table.m_glTexCoordPointer           = glTexCoordPointer;
+       table.m_glTexEnvf                   = glTexEnvf;
+       table.m_glTexEnvfv                  = glTexEnvfv;
+       table.m_glTexEnvi                   = glTexEnvi;
+       table.m_glTexEnviv                  = glTexEnviv;
+       table.m_glTexGend                   = glTexGend;
+       table.m_glTexGendv                  = glTexGendv;
+       table.m_glTexGenf                   = glTexGenf;
+       table.m_glTexGenfv                  = glTexGenfv;
+       table.m_glTexGeni                   = glTexGeni;
+       table.m_glTexGeniv                  = glTexGeniv;
+       table.m_glTexImage1D                = glTexImage1D;
+       table.m_glTexImage2D                = glTexImage2D;
+       table.m_glTexParameterf             = glTexParameterf;
+       table.m_glTexParameterfv            = glTexParameterfv;
+       table.m_glTexParameteri             = glTexParameteri;
+       table.m_glTexParameteriv            = glTexParameteriv;
+       table.m_glTexSubImage1D             = glTexSubImage1D;
+       table.m_glTexSubImage2D             = glTexSubImage2D;
+       table.m_glTranslated                = glTranslated;
+       table.m_glTranslatef                = glTranslatef;
+       table.m_glVertex2d                  = glVertex2d;
+       table.m_glVertex2dv                 = glVertex2dv;
+       table.m_glVertex2f                  = glVertex2f;
+       table.m_glVertex2fv                 = glVertex2fv;
+       table.m_glVertex2i                  = glVertex2i;
+       table.m_glVertex2iv                 = glVertex2iv;
+       table.m_glVertex2s                  = glVertex2s;
+       table.m_glVertex2sv                 = glVertex2sv;
+       table.m_glVertex3d                  = glVertex3d;
+       table.m_glVertex3dv                 = glVertex3dv;
+       table.m_glVertex3f                  = glVertex3f;
+       table.m_glVertex3fv                 = glVertex3fv;
+       table.m_glVertex3i                  = glVertex3i;
+       table.m_glVertex3iv                 = glVertex3iv;
+       table.m_glVertex3s                  = glVertex3s;
+       table.m_glVertex3sv                 = glVertex3sv;
+       table.m_glVertex4d                  = glVertex4d;
+       table.m_glVertex4dv                 = glVertex4dv;
+       table.m_glVertex4f                  = glVertex4f;
+       table.m_glVertex4fv                 = glVertex4fv;
+       table.m_glVertex4i                  = glVertex4i;
+       table.m_glVertex4iv                 = glVertex4iv;
+       table.m_glVertex4s                  = glVertex4s;
+       table.m_glVertex4sv                 = glVertex4sv;
+       table.m_glVertexPointer             = glVertexPointer;
+       table.m_glViewport                  = glViewport;
+
+       if ( QGL_ExtensionSupported( "GL_ARB_multitexture" ) ) {
+               table.support_ARB_multitexture =
+                       QGL_constructExtensionFunc( table.m_glActiveTextureARB, "glActiveTextureARB" )
+                       && QGL_constructExtensionFunc( table.m_glClientActiveTextureARB, "glClientActiveTextureARB" )
+                       && QGL_constructExtensionFunc( table.m_glMultiTexCoord1dARB, "glMultiTexCoord1dARB" )
+                       && QGL_constructExtensionFunc( table.m_glMultiTexCoord1dvARB, "glMultiTexCoord1dvARB" )
+                       && QGL_constructExtensionFunc( table.m_glMultiTexCoord1fARB, "glMultiTexCoord1fARB" )
+                       && QGL_constructExtensionFunc( table.m_glMultiTexCoord1fvARB, "glMultiTexCoord1fvARB" )
+                       && QGL_constructExtensionFunc( table.m_glMultiTexCoord1iARB, "glMultiTexCoord1iARB" )
+                       && QGL_constructExtensionFunc( table.m_glMultiTexCoord1ivARB, "glMultiTexCoord1ivARB" )
+                       && QGL_constructExtensionFunc( table.m_glMultiTexCoord1sARB, "glMultiTexCoord1sARB" )
+                       && QGL_constructExtensionFunc( table.m_glMultiTexCoord1svARB, "glMultiTexCoord1svARB" )
+                       && QGL_constructExtensionFunc( table.m_glMultiTexCoord2dARB, "glMultiTexCoord2dARB" )
+                       && QGL_constructExtensionFunc( table.m_glMultiTexCoord2dvARB, "glMultiTexCoord2dvARB" )
+                       && QGL_constructExtensionFunc( table.m_glMultiTexCoord2fARB, "glMultiTexCoord2fARB" )
+                       && QGL_constructExtensionFunc( table.m_glMultiTexCoord2fvARB, "glMultiTexCoord2fvARB" )
+                       && QGL_constructExtensionFunc( table.m_glMultiTexCoord2iARB, "glMultiTexCoord2iARB" )
+                       && QGL_constructExtensionFunc( table.m_glMultiTexCoord2ivARB, "glMultiTexCoord2ivARB" )
+                       && QGL_constructExtensionFunc( table.m_glMultiTexCoord2sARB, "glMultiTexCoord2sARB" )
+                       && QGL_constructExtensionFunc( table.m_glMultiTexCoord2svARB, "glMultiTexCoord2svARB" )
+                       && QGL_constructExtensionFunc( table.m_glMultiTexCoord3dARB, "glMultiTexCoord3dARB" )
+                       && QGL_constructExtensionFunc( table.m_glMultiTexCoord3dvARB, "glMultiTexCoord3dvARB" )
+                       && QGL_constructExtensionFunc( table.m_glMultiTexCoord3fARB, "glMultiTexCoord3fARB" )
+                       && QGL_constructExtensionFunc( table.m_glMultiTexCoord3fvARB, "glMultiTexCoord3fvARB" )
+                       && QGL_constructExtensionFunc( table.m_glMultiTexCoord3iARB, "glMultiTexCoord3iARB" )
+                       && QGL_constructExtensionFunc( table.m_glMultiTexCoord3ivARB, "glMultiTexCoord3ivARB" )
+                       && QGL_constructExtensionFunc( table.m_glMultiTexCoord3sARB, "glMultiTexCoord3sARB" )
+                       && QGL_constructExtensionFunc( table.m_glMultiTexCoord3svARB, "glMultiTexCoord3svARB" )
+                       && QGL_constructExtensionFunc( table.m_glMultiTexCoord4dARB, "glMultiTexCoord4dARB" )
+                       && QGL_constructExtensionFunc( table.m_glMultiTexCoord4dvARB, "glMultiTexCoord4dvARB" )
+                       && QGL_constructExtensionFunc( table.m_glMultiTexCoord4fARB, "glMultiTexCoord4fARB" )
+                       && QGL_constructExtensionFunc( table.m_glMultiTexCoord4fvARB, "glMultiTexCoord4fvARB" )
+                       && QGL_constructExtensionFunc( table.m_glMultiTexCoord4iARB, "glMultiTexCoord4iARB" )
+                       && QGL_constructExtensionFunc( table.m_glMultiTexCoord4ivARB, "glMultiTexCoord4ivARB" )
+                       && QGL_constructExtensionFunc( table.m_glMultiTexCoord4sARB, "glMultiTexCoord4sARB" )
+                       && QGL_constructExtensionFunc( table.m_glMultiTexCoord4svARB, "glMultiTexCoord4svARB" );
+
+               if ( !table.support_ARB_multitexture ) {
+                       extension_not_implemented( "GL_ARB_multitexture" );
+               }
+       }
+       else
+       {
+               table.support_ARB_multitexture = false;
+       }
+
+       if ( QGL_ExtensionSupported( "GL_ARB_texture_compression" ) ) {
+               table.support_ARB_texture_compression =
+                       QGL_constructExtensionFunc( table.m_glCompressedTexImage3DARB, "glCompressedTexImage3DARB" )
+                       && QGL_constructExtensionFunc( table.m_glCompressedTexImage2DARB, "glCompressedTexImage2DARB" )
+                       && QGL_constructExtensionFunc( table.m_glCompressedTexImage1DARB, "glCompressedTexImage1DARB" )
+                       && QGL_constructExtensionFunc( table.m_glCompressedTexSubImage3DARB, "glCompressedTexSubImage3DARB" )
+                       && QGL_constructExtensionFunc( table.m_glCompressedTexSubImage2DARB, "glCompressedTexSubImage2DARB" )
+                       && QGL_constructExtensionFunc( table.m_glCompressedTexSubImage1DARB, "glCompressedTexSubImage1DARB" )
+                       && QGL_constructExtensionFunc( table.m_glGetCompressedTexImageARB, "glGetCompressedTexImageARB" );
+
+               if ( !table.support_ARB_texture_compression ) {
+                       extension_not_implemented( "GL_ARB_texture_compression" );
+               }
+       }
+       else
+       {
+               table.support_ARB_texture_compression = false;
+       }
+
+       table.support_EXT_texture_compression_s3tc = QGL_ExtensionSupported( "GL_EXT_texture_compression_s3tc" );
+
+       // GL 1.2
+       if ( table.major_version > 1 || table.minor_version >= 2 ) {
+               table.support_GL_1_2 =
+                       QGL_constructExtensionFunc( table.m_glCopyTexSubImage3D, "glCopyTexSubImage3D" )
+                       && QGL_constructExtensionFunc( table.m_glDrawRangeElements, "glDrawRangeElements" )
+                       && QGL_constructExtensionFunc( table.m_glTexImage3D, "glTexImage3D" )
+                       && QGL_constructExtensionFunc( table.m_glTexSubImage3D, "glTexSubImage3D" );
+
+               if ( !table.support_GL_1_2 ) {
+                       extension_not_implemented( "GL_VERSION_1_2" );
+               }
+       }
+       else
+       {
+               table.support_GL_1_2 = false;
+       }
+
+       // GL 1.3
+       if ( table.major_version > 1 || table.minor_version >= 3 ) {
+               table.support_GL_1_3 =
+                       QGL_constructExtensionFunc( table.m_glActiveTexture, "glActiveTexture" )
+                       && QGL_constructExtensionFunc( table.m_glClientActiveTexture, "glClientActiveTexture" )
+                       && QGL_constructExtensionFunc( table.m_glCompressedTexImage1D, "glCompressedTexImage1D" )
+                       && QGL_constructExtensionFunc( table.m_glCompressedTexImage2D, "glCompressedTexImage2D" )
+                       && QGL_constructExtensionFunc( table.m_glCompressedTexImage3D, "glCompressedTexImage3D" )
+                       && QGL_constructExtensionFunc( table.m_glCompressedTexSubImage1D, "glCompressedTexSubImage1D" )
+                       && QGL_constructExtensionFunc( table.m_glCompressedTexSubImage2D, "glCompressedTexSubImage2D" )
+                       && QGL_constructExtensionFunc( table.m_glCompressedTexSubImage3D, "glCompressedTexSubImage3D" )
+                       && QGL_constructExtensionFunc( table.m_glGetCompressedTexImage, "glGetCompressedTexImage" )
+                       && QGL_constructExtensionFunc( table.m_glLoadTransposeMatrixd, "glLoadTransposeMatrixd" )
+                       && QGL_constructExtensionFunc( table.m_glLoadTransposeMatrixf, "glLoadTransposeMatrixf" )
+                       && QGL_constructExtensionFunc( table.m_glMultTransposeMatrixd, "glMultTransposeMatrixd" )
+                       && QGL_constructExtensionFunc( table.m_glMultTransposeMatrixf, "glMultTransposeMatrixf" )
+                       && QGL_constructExtensionFunc( table.m_glMultiTexCoord1d, "glMultiTexCoord1d" )
+                       && QGL_constructExtensionFunc( table.m_glMultiTexCoord1dv, "glMultiTexCoord1dv" )
+                       && QGL_constructExtensionFunc( table.m_glMultiTexCoord1f, "glMultiTexCoord1f" )
+                       && QGL_constructExtensionFunc( table.m_glMultiTexCoord1fv, "glMultiTexCoord1fv" )
+                       && QGL_constructExtensionFunc( table.m_glMultiTexCoord1i, "glMultiTexCoord1i" )
+                       && QGL_constructExtensionFunc( table.m_glMultiTexCoord1iv, "glMultiTexCoord1iv" )
+                       && QGL_constructExtensionFunc( table.m_glMultiTexCoord1s, "glMultiTexCoord1s" )
+                       && QGL_constructExtensionFunc( table.m_glMultiTexCoord1sv, "glMultiTexCoord1sv" )
+                       && QGL_constructExtensionFunc( table.m_glMultiTexCoord2d, "glMultiTexCoord2d" )
+                       && QGL_constructExtensionFunc( table.m_glMultiTexCoord2dv, "glMultiTexCoord2dv" )
+                       && QGL_constructExtensionFunc( table.m_glMultiTexCoord2f, "glMultiTexCoord2f" )
+                       && QGL_constructExtensionFunc( table.m_glMultiTexCoord2fv, "glMultiTexCoord2fv" )
+                       && QGL_constructExtensionFunc( table.m_glMultiTexCoord2i, "glMultiTexCoord2i" )
+                       && QGL_constructExtensionFunc( table.m_glMultiTexCoord2iv, "glMultiTexCoord2iv" )
+                       && QGL_constructExtensionFunc( table.m_glMultiTexCoord2s, "glMultiTexCoord2s" )
+                       && QGL_constructExtensionFunc( table.m_glMultiTexCoord2sv, "glMultiTexCoord2sv" )
+                       && QGL_constructExtensionFunc( table.m_glMultiTexCoord3d, "glMultiTexCoord3d" )
+                       && QGL_constructExtensionFunc( table.m_glMultiTexCoord3dv, "glMultiTexCoord3dv" )
+                       && QGL_constructExtensionFunc( table.m_glMultiTexCoord3f, "glMultiTexCoord3f" )
+                       && QGL_constructExtensionFunc( table.m_glMultiTexCoord3fv, "glMultiTexCoord3fv" )
+                       && QGL_constructExtensionFunc( table.m_glMultiTexCoord3i, "glMultiTexCoord3i" )
+                       && QGL_constructExtensionFunc( table.m_glMultiTexCoord3iv, "glMultiTexCoord3iv" )
+                       && QGL_constructExtensionFunc( table.m_glMultiTexCoord3s, "glMultiTexCoord3s" )
+                       && QGL_constructExtensionFunc( table.m_glMultiTexCoord3sv, "glMultiTexCoord3sv" )
+                       && QGL_constructExtensionFunc( table.m_glMultiTexCoord4d, "glMultiTexCoord4d" )
+                       && QGL_constructExtensionFunc( table.m_glMultiTexCoord4dv, "glMultiTexCoord4dv" )
+                       && QGL_constructExtensionFunc( table.m_glMultiTexCoord4f, "glMultiTexCoord4f" )
+                       && QGL_constructExtensionFunc( table.m_glMultiTexCoord4fv, "glMultiTexCoord4fv" )
+                       && QGL_constructExtensionFunc( table.m_glMultiTexCoord4i, "glMultiTexCoord4i" )
+                       && QGL_constructExtensionFunc( table.m_glMultiTexCoord4iv, "glMultiTexCoord4iv" )
+                       && QGL_constructExtensionFunc( table.m_glMultiTexCoord4s, "glMultiTexCoord4s" )
+                       && QGL_constructExtensionFunc( table.m_glMultiTexCoord4sv, "glMultiTexCoord4sv" )
+                       && QGL_constructExtensionFunc( table.m_glSampleCoverage, "glSampleCoverage" );
+
+               if ( !table.support_GL_1_3 ) {
+                       extension_not_implemented( "GL_VERSION_1_3" );
+               }
+       }
+       else
+       {
+               table.support_GL_1_3 = false;
+       }
+
+       // GL 1.4
+       if ( table.major_version > 1 || table.minor_version >= 4 ) {
+               table.support_GL_1_4 =
+                       QGL_constructExtensionFunc( table.m_glBlendColor, "glBlendColor" )
+                       && QGL_constructExtensionFunc( table.m_glBlendEquation, "glBlendEquation" )
+                       && QGL_constructExtensionFunc( table.m_glBlendFuncSeparate, "glBlendFuncSeparate" )
+                       && QGL_constructExtensionFunc( table.m_glFogCoordPointer, "glFogCoordPointer" )
+                       && QGL_constructExtensionFunc( table.m_glFogCoordd, "glFogCoordd" )
+                       && QGL_constructExtensionFunc( table.m_glFogCoorddv, "glFogCoorddv" )
+                       && QGL_constructExtensionFunc( table.m_glFogCoordf, "glFogCoordf" )
+                       && QGL_constructExtensionFunc( table.m_glFogCoordfv, "glFogCoordfv" )
+                       && QGL_constructExtensionFunc( table.m_glMultiDrawArrays, "glMultiDrawArrays" )
+                       && QGL_constructExtensionFunc( table.m_glMultiDrawElements, "glMultiDrawElements" )
+                       && QGL_constructExtensionFunc( table.m_glPointParameterf, "glPointParameterf" )
+                       && QGL_constructExtensionFunc( table.m_glPointParameterfv, "glPointParameterfv" )
+                       && QGL_constructExtensionFunc( table.m_glSecondaryColor3b, "glSecondaryColor3b" )
+                       && QGL_constructExtensionFunc( table.m_glSecondaryColor3bv, "glSecondaryColor3bv" )
+                       && QGL_constructExtensionFunc( table.m_glSecondaryColor3d, "glSecondaryColor3d" )
+                       && QGL_constructExtensionFunc( table.m_glSecondaryColor3dv, "glSecondaryColor3dv" )
+                       && QGL_constructExtensionFunc( table.m_glSecondaryColor3f, "glSecondaryColor3f" )
+                       && QGL_constructExtensionFunc( table.m_glSecondaryColor3fv, "glSecondaryColor3fv" )
+                       && QGL_constructExtensionFunc( table.m_glSecondaryColor3i, "glSecondaryColor3i" )
+                       && QGL_constructExtensionFunc( table.m_glSecondaryColor3iv, "glSecondaryColor3iv" )
+                       && QGL_constructExtensionFunc( table.m_glSecondaryColor3s, "glSecondaryColor3s" )
+                       && QGL_constructExtensionFunc( table.m_glSecondaryColor3sv, "glSecondaryColor3sv" )
+                       && QGL_constructExtensionFunc( table.m_glSecondaryColor3ub, "glSecondaryColor3ub" )
+                       && QGL_constructExtensionFunc( table.m_glSecondaryColor3ubv, "glSecondaryColor3ubv" )
+                       && QGL_constructExtensionFunc( table.m_glSecondaryColor3ui, "glSecondaryColor3ui" )
+                       && QGL_constructExtensionFunc( table.m_glSecondaryColor3uiv, "glSecondaryColor3uiv" )
+                       && QGL_constructExtensionFunc( table.m_glSecondaryColor3us, "glSecondaryColor3us" )
+                       && QGL_constructExtensionFunc( table.m_glSecondaryColor3usv, "glSecondaryColor3usv" )
+                       && QGL_constructExtensionFunc( table.m_glSecondaryColorPointer, "glSecondaryColorPointer" )
+                       && QGL_constructExtensionFunc( table.m_glWindowPos2d, "glWindowPos2d" )
+                       && QGL_constructExtensionFunc( table.m_glWindowPos2dv, "glWindowPos2dv" )
+                       && QGL_constructExtensionFunc( table.m_glWindowPos2f, "glWindowPos2f" )
+                       && QGL_constructExtensionFunc( table.m_glWindowPos2fv, "glWindowPos2fv" )
+                       && QGL_constructExtensionFunc( table.m_glWindowPos2i, "glWindowPos2i" )
+                       && QGL_constructExtensionFunc( table.m_glWindowPos2iv, "glWindowPos2iv" )
+                       && QGL_constructExtensionFunc( table.m_glWindowPos2s, "glWindowPos2s" )
+                       && QGL_constructExtensionFunc( table.m_glWindowPos2sv, "glWindowPos2sv" )
+                       && QGL_constructExtensionFunc( table.m_glWindowPos3d, "glWindowPos3d" )
+                       && QGL_constructExtensionFunc( table.m_glWindowPos3dv, "glWindowPos3dv" )
+                       && QGL_constructExtensionFunc( table.m_glWindowPos3f, "glWindowPos3f" )
+                       && QGL_constructExtensionFunc( table.m_glWindowPos3fv, "glWindowPos3fv" )
+                       && QGL_constructExtensionFunc( table.m_glWindowPos3i, "glWindowPos3i" )
+                       && QGL_constructExtensionFunc( table.m_glWindowPos3iv, "glWindowPos3iv" )
+                       && QGL_constructExtensionFunc( table.m_glWindowPos3s, "glWindowPos3s" )
+                       && QGL_constructExtensionFunc( table.m_glWindowPos3sv, "glWindowPos3sv" );
+
+               if ( !table.support_GL_1_4 ) {
+                       extension_not_implemented( "GL_VERSION_1_4" );
+               }
+       }
+       else
+       {
+               table.support_GL_1_4 = false;
+       }
+
+       // GL 1.5
+       if ( table.major_version > 1 || table.minor_version >= 5 ) {
+               table.support_GL_1_5 =
+                       QGL_constructExtensionFunc( table.m_glBeginQuery, "glBeginQuery" )
+                       && QGL_constructExtensionFunc( table.m_glBindBuffer, "glBindBuffer" )
+                       && QGL_constructExtensionFunc( table.m_glBufferData, "glBufferData" )
+                       && QGL_constructExtensionFunc( table.m_glBufferSubData, "glBufferSubData" )
+                       && QGL_constructExtensionFunc( table.m_glDeleteBuffers, "glDeleteBuffers" )
+                       && QGL_constructExtensionFunc( table.m_glDeleteQueries, "glDeleteQueries" )
+                       && QGL_constructExtensionFunc( table.m_glEndQuery, "glEndQuery" )
+                       && QGL_constructExtensionFunc( table.m_glGenBuffers, "glGenBuffers" )
+                       && QGL_constructExtensionFunc( table.m_glGenQueries, "glGenQueries" )
+                       && QGL_constructExtensionFunc( table.m_glGetBufferParameteriv, "glGetBufferParameteriv" )
+                       && QGL_constructExtensionFunc( table.m_glGetBufferPointerv, "glGetBufferPointerv" )
+                       && QGL_constructExtensionFunc( table.m_glGetBufferSubData, "glGetBufferSubData" )
+                       && QGL_constructExtensionFunc( table.m_glGetQueryObjectiv, "glGetQueryObjectiv" )
+                       && QGL_constructExtensionFunc( table.m_glGetQueryObjectuiv, "glGetQueryObjectuiv" )
+                       && QGL_constructExtensionFunc( table.m_glGetQueryiv, "glGetQueryiv" )
+                       && QGL_constructExtensionFunc( table.m_glIsBuffer, "glIsBuffer" )
+                       && QGL_constructExtensionFunc( table.m_glIsQuery, "glIsQuery" )
+                       && QGL_constructExtensionFunc( table.m_glMapBuffer, "glMapBuffer" )
+                       && QGL_constructExtensionFunc( table.m_glUnmapBuffer, "glUnmapBuffer" );
+
+               if ( !table.support_GL_1_5 ) {
+                       extension_not_implemented( "GL_VERSION_1_5" );
+               }
+       }
+       else
+       {
+               table.support_GL_1_5 = false;
+       }
+
+
+       if ( QGL_ExtensionSupported( "GL_ARB_vertex_program" ) ) {
+               table.support_ARB_vertex_program =
+                       QGL_constructExtensionFunc( table.m_glVertexAttrib1sARB, "glVertexAttrib1sARB" )
+                       && QGL_constructExtensionFunc( table.m_glVertexAttrib1fARB, "glVertexAttrib1fARB" )
+                       && QGL_constructExtensionFunc( table.m_glVertexAttrib1dARB, "glVertexAttrib1dARB" )
+                       && QGL_constructExtensionFunc( table.m_glVertexAttrib2sARB, "glVertexAttrib2sARB" )
+                       && QGL_constructExtensionFunc( table.m_glVertexAttrib2fARB, "glVertexAttrib2fARB" )
+                       && QGL_constructExtensionFunc( table.m_glVertexAttrib2dARB, "glVertexAttrib2dARB" )
+                       && QGL_constructExtensionFunc( table.m_glVertexAttrib3sARB, "glVertexAttrib3sARB" )
+                       && QGL_constructExtensionFunc( table.m_glVertexAttrib3fARB, "glVertexAttrib3fARB" )
+                       && QGL_constructExtensionFunc( table.m_glVertexAttrib3dARB, "glVertexAttrib3dARB" )
+                       && QGL_constructExtensionFunc( table.m_glVertexAttrib4sARB, "glVertexAttrib4sARB" )
+                       && QGL_constructExtensionFunc( table.m_glVertexAttrib4fARB, "glVertexAttrib4fARB" )
+                       && QGL_constructExtensionFunc( table.m_glVertexAttrib4dARB, "glVertexAttrib4dARB" )
+                       && QGL_constructExtensionFunc( table.m_glVertexAttrib4NubARB, "glVertexAttrib4NubARB" )
+                       && QGL_constructExtensionFunc( table.m_glVertexAttrib1svARB, "glVertexAttrib1svARB" )
+                       && QGL_constructExtensionFunc( table.m_glVertexAttrib1fvARB, "glVertexAttrib1fvARB" )
+                       && QGL_constructExtensionFunc( table.m_glVertexAttrib1dvARB, "glVertexAttrib1dvARB" )
+                       && QGL_constructExtensionFunc( table.m_glVertexAttrib2svARB, "glVertexAttrib2svARB" )
+                       && QGL_constructExtensionFunc( table.m_glVertexAttrib2fvARB, "glVertexAttrib2fvARB" )
+                       && QGL_constructExtensionFunc( table.m_glVertexAttrib2dvARB, "glVertexAttrib2dvARB" )
+                       && QGL_constructExtensionFunc( table.m_glVertexAttrib3svARB, "glVertexAttrib3svARB" )
+                       && QGL_constructExtensionFunc( table.m_glVertexAttrib3fvARB, "glVertexAttrib3fvARB" )
+                       && QGL_constructExtensionFunc( table.m_glVertexAttrib3dvARB, "glVertexAttrib3dvARB" )
+                       && QGL_constructExtensionFunc( table.m_glVertexAttrib4bvARB, "glVertexAttrib4bvARB" )
+                       && QGL_constructExtensionFunc( table.m_glVertexAttrib4svARB, "glVertexAttrib4svARB" )
+                       && QGL_constructExtensionFunc( table.m_glVertexAttrib4ivARB, "glVertexAttrib4ivARB" )
+                       && QGL_constructExtensionFunc( table.m_glVertexAttrib4ubvARB, "glVertexAttrib4ubvARB" )
+                       && QGL_constructExtensionFunc( table.m_glVertexAttrib4usvARB, "glVertexAttrib4usvARB" )
+                       && QGL_constructExtensionFunc( table.m_glVertexAttrib4uivARB, "glVertexAttrib4uivARB" )
+                       && QGL_constructExtensionFunc( table.m_glVertexAttrib4fvARB, "glVertexAttrib4fvARB" )
+                       && QGL_constructExtensionFunc( table.m_glVertexAttrib4dvARB, "glVertexAttrib4dvARB" )
+                       && QGL_constructExtensionFunc( table.m_glVertexAttrib4NbvARB, "glVertexAttrib4NbvARB" )
+                       && QGL_constructExtensionFunc( table.m_glVertexAttrib4NsvARB, "glVertexAttrib4NsvARB" )
+                       && QGL_constructExtensionFunc( table.m_glVertexAttrib4NivARB, "glVertexAttrib4NivARB" )
+                       && QGL_constructExtensionFunc( table.m_glVertexAttrib4NubvARB, "glVertexAttrib4NubvARB" )
+                       && QGL_constructExtensionFunc( table.m_glVertexAttrib4NusvARB, "glVertexAttrib4NusvARB" )
+                       && QGL_constructExtensionFunc( table.m_glVertexAttrib4NuivARB, "glVertexAttrib4NuivARB" )
+                       && QGL_constructExtensionFunc( table.m_glVertexAttribPointerARB, "glVertexAttribPointerARB" )
+                       && QGL_constructExtensionFunc( table.m_glEnableVertexAttribArrayARB, "glEnableVertexAttribArrayARB" )
+                       && QGL_constructExtensionFunc( table.m_glDisableVertexAttribArrayARB, "glDisableVertexAttribArrayARB" )
+                       && QGL_constructExtensionFunc( table.m_glProgramStringARB, "glProgramStringARB" )
+                       && QGL_constructExtensionFunc( table.m_glBindProgramARB, "glBindProgramARB" )
+                       && QGL_constructExtensionFunc( table.m_glDeleteProgramsARB, "glDeleteProgramsARB" )
+                       && QGL_constructExtensionFunc( table.m_glGenProgramsARB, "glGenProgramsARB" )
+                       && QGL_constructExtensionFunc( table.m_glProgramEnvParameter4dARB, "glProgramEnvParameter4dARB" )
+                       && QGL_constructExtensionFunc( table.m_glProgramEnvParameter4dvARB, "glProgramEnvParameter4dvARB" )
+                       && QGL_constructExtensionFunc( table.m_glProgramEnvParameter4fARB, "glProgramEnvParameter4fARB" )
+                       && QGL_constructExtensionFunc( table.m_glProgramEnvParameter4fvARB, "glProgramEnvParameter4fvARB" )
+                       && QGL_constructExtensionFunc( table.m_glProgramLocalParameter4dARB, "glProgramLocalParameter4dARB" )
+                       && QGL_constructExtensionFunc( table.m_glProgramLocalParameter4dvARB, "glProgramLocalParameter4dvARB" )
+                       && QGL_constructExtensionFunc( table.m_glProgramLocalParameter4fARB, "glProgramLocalParameter4fARB" )
+                       && QGL_constructExtensionFunc( table.m_glProgramLocalParameter4fvARB, "glProgramLocalParameter4fvARB" )
+                       && QGL_constructExtensionFunc( table.m_glGetProgramEnvParameterdvARB, "glGetProgramEnvParameterdvARB" )
+                       && QGL_constructExtensionFunc( table.m_glGetProgramEnvParameterfvARB, "glGetProgramEnvParameterfvARB" )
+                       && QGL_constructExtensionFunc( table.m_glGetProgramLocalParameterdvARB, "glGetProgramLocalParameterdvARB" )
+                       && QGL_constructExtensionFunc( table.m_glGetProgramLocalParameterfvARB, "glGetProgramLocalParameterfvARB" )
+                       && QGL_constructExtensionFunc( table.m_glGetProgramivARB, "glGetProgramivARB" )
+                       && QGL_constructExtensionFunc( table.m_glGetProgramStringARB, "glGetProgramStringARB" )
+                       && QGL_constructExtensionFunc( table.m_glGetVertexAttribdvARB, "glGetVertexAttribdvARB" )
+                       && QGL_constructExtensionFunc( table.m_glGetVertexAttribfvARB, "glGetVertexAttribfvARB" )
+                       && QGL_constructExtensionFunc( table.m_glGetVertexAttribivARB, "glGetVertexAttribivARB" )
+                       && QGL_constructExtensionFunc( table.m_glGetVertexAttribPointervARB, "glGetVertexAttribPointervARB" )
+                       && QGL_constructExtensionFunc( table.m_glIsProgramARB, "glIsProgramARB" );
+
+               if ( !table.support_ARB_vertex_program ) {
+                       extension_not_implemented( "GL_ARB_vertex_program" );
+               }
+       }
+       else
+       {
+               table.support_ARB_vertex_program = false;
+       }
+
+
+       table.support_ARB_fragment_program = QGL_ExtensionSupported( "GL_ARB_fragment_program" );
+
+       if ( QGL_ExtensionSupported( "GL_ARB_shader_objects" ) ) {
+               table.support_ARB_shader_objects =
+                       QGL_constructExtensionFunc( table.m_glDeleteObjectARB, "glDeleteObjectARB" )
+                       && QGL_constructExtensionFunc( table.m_glGetHandleARB, "glGetHandleARB" )
+                       && QGL_constructExtensionFunc( table.m_glDetachObjectARB, "glDetachObjectARB" )
+                       && QGL_constructExtensionFunc( table.m_glCreateShaderObjectARB, "glCreateShaderObjectARB" )
+                       && QGL_constructExtensionFunc( table.m_glShaderSourceARB, "glShaderSourceARB" )
+                       && QGL_constructExtensionFunc( table.m_glCompileShaderARB, "glCompileShaderARB" )
+                       && QGL_constructExtensionFunc( table.m_glCreateProgramObjectARB, "glCreateProgramObjectARB" )
+                       && QGL_constructExtensionFunc( table.m_glAttachObjectARB, "glAttachObjectARB" )
+                       && QGL_constructExtensionFunc( table.m_glLinkProgramARB, "glLinkProgramARB" )
+                       && QGL_constructExtensionFunc( table.m_glUseProgramObjectARB, "glUseProgramObjectARB" )
+                       && QGL_constructExtensionFunc( table.m_glValidateProgramARB, "glValidateProgramARB" )
+                       && QGL_constructExtensionFunc( table.m_glUniform1fARB, "glUniform1fARB" )
+                       && QGL_constructExtensionFunc( table.m_glUniform2fARB, "glUniform2fARB" )
+                       && QGL_constructExtensionFunc( table.m_glUniform3fARB, "glUniform3fARB" )
+                       && QGL_constructExtensionFunc( table.m_glUniform4fARB, "glUniform4fARB" )
+                       && QGL_constructExtensionFunc( table.m_glUniform1iARB, "glUniform1iARB" )
+                       && QGL_constructExtensionFunc( table.m_glUniform2iARB, "glUniform2iARB" )
+                       && QGL_constructExtensionFunc( table.m_glUniform3iARB, "glUniform3iARB" )
+                       && QGL_constructExtensionFunc( table.m_glUniform4iARB, "glUniform4iARB" )
+                       && QGL_constructExtensionFunc( table.m_glUniform1fvARB, "glUniform1fvARB" )
+                       && QGL_constructExtensionFunc( table.m_glUniform2fvARB, "glUniform2fvARB" )
+                       && QGL_constructExtensionFunc( table.m_glUniform3fvARB, "glUniform3fvARB" )
+                       && QGL_constructExtensionFunc( table.m_glUniform4fvARB, "glUniform4fvARB" )
+                       && QGL_constructExtensionFunc( table.m_glUniform1ivARB, "glUniform1ivARB" )
+                       && QGL_constructExtensionFunc( table.m_glUniform2ivARB, "glUniform2ivARB" )
+                       && QGL_constructExtensionFunc( table.m_glUniform3ivARB, "glUniform3ivARB" )
+                       && QGL_constructExtensionFunc( table.m_glUniform4ivARB, "glUniform4ivARB" )
+                       && QGL_constructExtensionFunc( table.m_glUniformMatrix2fvARB, "glUniformMatrix2fvARB" )
+                       && QGL_constructExtensionFunc( table.m_glUniformMatrix3fvARB, "glUniformMatrix3fvARB" )
+                       && QGL_constructExtensionFunc( table.m_glUniformMatrix4fvARB, "glUniformMatrix4fvARB" )
+                       && QGL_constructExtensionFunc( table.m_glGetObjectParameterfvARB, "glGetObjectParameterfvARB" )
+                       && QGL_constructExtensionFunc( table.m_glGetObjectParameterivARB, "glGetObjectParameterivARB" )
+                       && QGL_constructExtensionFunc( table.m_glGetInfoLogARB, "glGetInfoLogARB" )
+                       && QGL_constructExtensionFunc( table.m_glGetAttachedObjectsARB, "glGetAttachedObjectsARB" )
+                       && QGL_constructExtensionFunc( table.m_glGetUniformLocationARB, "glGetUniformLocationARB" )
+                       && QGL_constructExtensionFunc( table.m_glGetActiveUniformARB, "glGetActiveUniformARB" )
+                       && QGL_constructExtensionFunc( table.m_glGetUniformfvARB, "glGetUniformfvARB" )
+                       && QGL_constructExtensionFunc( table.m_glGetUniformivARB, "glGetUniformivARB" )
+                       && QGL_constructExtensionFunc( table.m_glGetShaderSourceARB, "glGetShaderSourceARB" );
+
+               if ( !table.support_ARB_shader_objects ) {
+                       extension_not_implemented( "GL_ARB_shader_objects" );
+               }
+       }
+       else
+       {
+               table.support_ARB_shader_objects = false;
+       }
+
+       if ( QGL_ExtensionSupported( "GL_ARB_vertex_shader" ) ) {
+               table.support_ARB_vertex_shader =
+                       QGL_constructExtensionFunc( table.m_glVertexAttrib1fARB, "glVertexAttrib1fARB" )
+                       && QGL_constructExtensionFunc( table.m_glVertexAttrib1sARB, "glVertexAttrib1sARB" )
+                       && QGL_constructExtensionFunc( table.m_glVertexAttrib1dARB, "glVertexAttrib1dARB" )
+                       && QGL_constructExtensionFunc( table.m_glVertexAttrib2fARB, "glVertexAttrib2fARB" )
+                       && QGL_constructExtensionFunc( table.m_glVertexAttrib2sARB, "glVertexAttrib2sARB" )
+                       && QGL_constructExtensionFunc( table.m_glVertexAttrib2dARB, "glVertexAttrib2dARB" )
+                       && QGL_constructExtensionFunc( table.m_glVertexAttrib3fARB, "glVertexAttrib3fARB" )
+                       && QGL_constructExtensionFunc( table.m_glVertexAttrib3sARB, "glVertexAttrib3sARB" )
+                       && QGL_constructExtensionFunc( table.m_glVertexAttrib3dARB, "glVertexAttrib3dARB" )
+                       && QGL_constructExtensionFunc( table.m_glVertexAttrib4fARB, "glVertexAttrib4fARB" )
+                       && QGL_constructExtensionFunc( table.m_glVertexAttrib4sARB, "glVertexAttrib4sARB" )
+                       && QGL_constructExtensionFunc( table.m_glVertexAttrib4dARB, "glVertexAttrib4dARB" )
+                       && QGL_constructExtensionFunc( table.m_glVertexAttrib4NubARB, "glVertexAttrib4NubARB" )
+                       && QGL_constructExtensionFunc( table.m_glVertexAttrib1fvARB, "glVertexAttrib1fvARB" )
+                       && QGL_constructExtensionFunc( table.m_glVertexAttrib1svARB, "glVertexAttrib1svARB" )
+                       && QGL_constructExtensionFunc( table.m_glVertexAttrib1dvARB, "glVertexAttrib1dvARB" )
+                       && QGL_constructExtensionFunc( table.m_glVertexAttrib2fvARB, "glVertexAttrib2fvARB" )
+                       && QGL_constructExtensionFunc( table.m_glVertexAttrib2svARB, "glVertexAttrib2svARB" )
+                       && QGL_constructExtensionFunc( table.m_glVertexAttrib2dvARB, "glVertexAttrib2dvARB" )
+                       && QGL_constructExtensionFunc( table.m_glVertexAttrib3fvARB, "glVertexAttrib3fvARB" )
+                       && QGL_constructExtensionFunc( table.m_glVertexAttrib3svARB, "glVertexAttrib3svARB" )
+                       && QGL_constructExtensionFunc( table.m_glVertexAttrib3dvARB, "glVertexAttrib3dvARB" )
+                       && QGL_constructExtensionFunc( table.m_glVertexAttrib4fvARB, "glVertexAttrib4fvARB" )
+                       && QGL_constructExtensionFunc( table.m_glVertexAttrib4svARB, "glVertexAttrib4svARB" )
+                       && QGL_constructExtensionFunc( table.m_glVertexAttrib4dvARB, "glVertexAttrib4dvARB" )
+                       && QGL_constructExtensionFunc( table.m_glVertexAttrib4ivARB, "glVertexAttrib4ivARB" )
+                       && QGL_constructExtensionFunc( table.m_glVertexAttrib4bvARB, "glVertexAttrib4bvARB" )
+                       && QGL_constructExtensionFunc( table.m_glVertexAttrib4ubvARB, "glVertexAttrib4ubvARB" )
+                       && QGL_constructExtensionFunc( table.m_glVertexAttrib4usvARB, "glVertexAttrib4usvARB" )
+                       && QGL_constructExtensionFunc( table.m_glVertexAttrib4uivARB, "glVertexAttrib4uivARB" )
+                       && QGL_constructExtensionFunc( table.m_glVertexAttrib4NbvARB, "glVertexAttrib4NbvARB" )
+                       && QGL_constructExtensionFunc( table.m_glVertexAttrib4NsvARB, "glVertexAttrib4NsvARB" )
+                       && QGL_constructExtensionFunc( table.m_glVertexAttrib4NivARB, "glVertexAttrib4NivARB" )
+                       && QGL_constructExtensionFunc( table.m_glVertexAttrib4NubvARB, "glVertexAttrib4NubvARB" )
+                       && QGL_constructExtensionFunc( table.m_glVertexAttrib4NusvARB, "glVertexAttrib4NusvARB" )
+                       && QGL_constructExtensionFunc( table.m_glVertexAttrib4NuivARB, "glVertexAttrib4NuivARB" )
+                       && QGL_constructExtensionFunc( table.m_glVertexAttribPointerARB, "glVertexAttribPointerARB" )
+                       && QGL_constructExtensionFunc( table.m_glEnableVertexAttribArrayARB, "glEnableVertexAttribArrayARB" )
+                       && QGL_constructExtensionFunc( table.m_glDisableVertexAttribArrayARB, "glDisableVertexAttribArrayARB" )
+                       && QGL_constructExtensionFunc( table.m_glGetVertexAttribdvARB, "glGetVertexAttribdvARB" )
+                       && QGL_constructExtensionFunc( table.m_glGetVertexAttribfvARB, "glGetVertexAttribfvARB" )
+                       && QGL_constructExtensionFunc( table.m_glGetVertexAttribivARB, "glGetVertexAttribivARB" )
+                       && QGL_constructExtensionFunc( table.m_glGetVertexAttribPointervARB, "glGetVertexAttribPointervARB" )
+                       && QGL_constructExtensionFunc( table.m_glBindAttribLocationARB, "glBindAttribLocationARB" )
+                       && QGL_constructExtensionFunc( table.m_glGetActiveAttribARB, "glGetActiveAttribARB" )
+                       && QGL_constructExtensionFunc( table.m_glGetAttribLocationARB, "glGetAttribLocationARB" );
+
+               if ( !table.support_ARB_vertex_shader ) {
+                       extension_not_implemented( "GL_ARB_vertex_shader" );
+               }
+       }
+       else
+       {
+               table.support_ARB_vertex_shader = false;
+       }
+
+       if ( QGL_ExtensionSupported( "GL_NV_vertex_program2" ) ) {
+               table.support_NV_vertex_program2 =
+                       QGL_constructExtensionFunc( table.m_glAreProgramsResidentNV, "glAreProgramsResidentNV" )
+                       && QGL_constructExtensionFunc( table.m_glBindProgramNV, "glBindProgramNV" )
+                       && QGL_constructExtensionFunc( table.m_glDeleteProgramsNV, "glDeleteProgramsNV" )
+                       && QGL_constructExtensionFunc( table.m_glExecuteProgramNV, "glExecuteProgramNV" )
+                       && QGL_constructExtensionFunc( table.m_glGenProgramsNV, "glGenProgramsNV" )
+                       && QGL_constructExtensionFunc( table.m_glGetProgramParameterdvNV, "glGetProgramParameterdvNV" )
+                       && QGL_constructExtensionFunc( table.m_glGetProgramParameterfvNV, "glGetProgramParameterfvNV" )
+                       && QGL_constructExtensionFunc( table.m_glGetProgramivNV, "glGetProgramivNV" )
+                       && QGL_constructExtensionFunc( table.m_glGetProgramStringNV, "glGetProgramStringNV" )
+                       && QGL_constructExtensionFunc( table.m_glGetTrackMatrixivNV, "glGetTrackMatrixivNV" )
+                       && QGL_constructExtensionFunc( table.m_glGetVertexAttribdvNV, "glGetVertexAttribdvNV" )
+                       && QGL_constructExtensionFunc( table.m_glGetVertexAttribfvNV, "glGetVertexAttribfvNV" )
+                       && QGL_constructExtensionFunc( table.m_glGetVertexAttribivNV, "glGetVertexAttribivNV" )
+                       && QGL_constructExtensionFunc( table.m_glGetVertexAttribPointervNV, "glGetVertexAttribPointervNV" )
+                       && QGL_constructExtensionFunc( table.m_glIsProgramNV, "glIsProgramNV" )
+                       && QGL_constructExtensionFunc( table.m_glLoadProgramNV, "glLoadProgramNV" )
+                       && QGL_constructExtensionFunc( table.m_glProgramParameter4fNV, "glProgramParameter4fNV" )
+                       && QGL_constructExtensionFunc( table.m_glProgramParameter4fvNV, "glProgramParameter4fvNV" )
+                       && QGL_constructExtensionFunc( table.m_glProgramParameters4fvNV, "glProgramParameters4fvNV" )
+                       && QGL_constructExtensionFunc( table.m_glRequestResidentProgramsNV, "glRequestResidentProgramsNV" )
+                       && QGL_constructExtensionFunc( table.m_glTrackMatrixNV, "glTrackMatrixNV" )
+                       && QGL_constructExtensionFunc( table.m_glVertexAttribPointerNV, "glVertexAttribPointerNV" )
+                       && QGL_constructExtensionFunc( table.m_glVertexAttrib1fNV, "glVertexAttrib1fNV" )
+                       && QGL_constructExtensionFunc( table.m_glVertexAttrib1fvNV, "glVertexAttrib1fvNV" )
+                       && QGL_constructExtensionFunc( table.m_glVertexAttrib2fNV, "glVertexAttrib2fNV" )
+                       && QGL_constructExtensionFunc( table.m_glVertexAttrib2fvNV, "glVertexAttrib2fvNV" )
+                       && QGL_constructExtensionFunc( table.m_glVertexAttrib3fNV, "glVertexAttrib3fNV" )
+                       && QGL_constructExtensionFunc( table.m_glVertexAttrib3fvNV, "glVertexAttrib3fvNV" )
+                       && QGL_constructExtensionFunc( table.m_glVertexAttrib4fNV, "glVertexAttrib4fNV" )
+                       && QGL_constructExtensionFunc( table.m_glVertexAttrib4fvNV, "glVertexAttrib4fvNV" )
+                       && QGL_constructExtensionFunc( table.m_glVertexAttribs1fvNV, "glVertexAttribs1fvNV" )
+                       && QGL_constructExtensionFunc( table.m_glVertexAttribs2fvNV, "glVertexAttribs2fvNV" )
+                       && QGL_constructExtensionFunc( table.m_glVertexAttribs3fvNV, "glVertexAttribs3fvNV" )
+                       && QGL_constructExtensionFunc( table.m_glVertexAttribs4fvNV, "glVertexAttribs4fvNV" );
+
+               if ( !table.support_NV_vertex_program2 ) {
+                       extension_not_implemented( "GL_NV_vertex_program2" );
+               }
+       }
+       else
+       {
+               table.support_NV_vertex_program2 = false;
+               QGL_invalidateExtensionFunc( table.m_glAreProgramsResidentNV );
+               QGL_invalidateExtensionFunc( table.m_glBindProgramNV );
+               QGL_invalidateExtensionFunc( table.m_glDeleteProgramsNV );
+               QGL_invalidateExtensionFunc( table.m_glExecuteProgramNV );
+               QGL_invalidateExtensionFunc( table.m_glGenProgramsNV );
+               QGL_invalidateExtensionFunc( table.m_glGetProgramParameterdvNV );
+               QGL_invalidateExtensionFunc( table.m_glGetProgramParameterfvNV );
+               QGL_invalidateExtensionFunc( table.m_glGetProgramivNV );
+               QGL_invalidateExtensionFunc( table.m_glGetProgramStringNV );
+               QGL_invalidateExtensionFunc( table.m_glGetTrackMatrixivNV );
+               QGL_invalidateExtensionFunc( table.m_glGetVertexAttribdvNV );
+               QGL_invalidateExtensionFunc( table.m_glGetVertexAttribfvNV );
+               QGL_invalidateExtensionFunc( table.m_glGetVertexAttribivNV );
+               QGL_invalidateExtensionFunc( table.m_glGetVertexAttribPointervNV );
+               QGL_invalidateExtensionFunc( table.m_glIsProgramNV );
+               QGL_invalidateExtensionFunc( table.m_glLoadProgramNV );
+               QGL_invalidateExtensionFunc( table.m_glProgramParameter4fNV );
+               QGL_invalidateExtensionFunc( table.m_glProgramParameter4fvNV );
+               QGL_invalidateExtensionFunc( table.m_glProgramParameters4fvNV );
+               QGL_invalidateExtensionFunc( table.m_glRequestResidentProgramsNV );
+               QGL_invalidateExtensionFunc( table.m_glTrackMatrixNV );
+               QGL_invalidateExtensionFunc( table.m_glVertexAttribPointerNV );
+               QGL_invalidateExtensionFunc( table.m_glVertexAttrib1fNV );
+               QGL_invalidateExtensionFunc( table.m_glVertexAttrib1fvNV );
+               QGL_invalidateExtensionFunc( table.m_glVertexAttrib2fNV );
+               QGL_invalidateExtensionFunc( table.m_glVertexAttrib2fvNV );
+               QGL_invalidateExtensionFunc( table.m_glVertexAttrib3fNV );
+               QGL_invalidateExtensionFunc( table.m_glVertexAttrib3fvNV );
+               QGL_invalidateExtensionFunc( table.m_glVertexAttrib4fNV );
+               QGL_invalidateExtensionFunc( table.m_glVertexAttrib4fvNV );
+               QGL_invalidateExtensionFunc( table.m_glVertexAttribs1fvNV );
+               QGL_invalidateExtensionFunc( table.m_glVertexAttribs2fvNV );
+               QGL_invalidateExtensionFunc( table.m_glVertexAttribs3fvNV );
+               QGL_invalidateExtensionFunc( table.m_glVertexAttribs4fvNV );
+       }
+
+       if ( QGL_ExtensionSupported( "GL_NV_fragment_program" ) ) {
+               table.support_NV_fragment_program =
+                       QGL_constructExtensionFunc( table.m_glProgramNamedParameter4fNV, "glProgramNamedParameter4fNV" )
+                       && QGL_constructExtensionFunc( table.m_glProgramNamedParameter4fvNV, "glProgramNamedParameter4fvNV" )
+                       && QGL_constructExtensionFunc( table.m_glGetProgramNamedParameterfvNV, "glGetProgramNamedParameterfvNV" );
+
+               if ( !table.support_NV_fragment_program ) {
+                       extension_not_implemented( "GL_NV_fragment_program" );
+               }
+       }
+       else
+       {
+               table.support_NV_fragment_program = false;
+       }
+
+       table.support_ARB_fragment_shader = QGL_ExtensionSupported( "GL_ARB_fragment_shader" );
+       table.support_ARB_shading_language_100 = QGL_ExtensionSupported( "GL_ARB_shading_language_100" );
+
+       if ( QGL_ExtensionSupported( "GL_EXT_texture_filter_anisotropic" ) ) {
+               glGetFloatv( GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, &g_maxTextureAnisotropy );
+               globalOutputStream() << "Anisotropic filtering possible (max " << g_maxTextureAnisotropy << "x)\n";
+       }
+       else
+       {
+               globalOutputStream() << "No Anisotropic filtering available\n";
+               g_maxTextureAnisotropy = 0;
+       }
 }
 
-void QGL_sharedContextDestroyed(OpenGLBinding& table)
-{
-  QGL_clear(table);
+void QGL_sharedContextDestroyed( OpenGLBinding& table ){
+       QGL_clear( table );
 }
 
 
-void QGL_assertNoErrors(const char *file, int line)
-{
-  GLenum error = GlobalOpenGL().m_glGetError();
-  while (error != GL_NO_ERROR)
-  {
-    const char* errorString = reinterpret_cast<const char*>(qgluErrorString(error));
-    if (error == GL_OUT_OF_MEMORY)
-    {
-      ERROR_MESSAGE("OpenGL out of memory error at " << file << ":" << line << ": " << errorString);
-    }
-    else
-    {
-      ERROR_MESSAGE("OpenGL error at " << file << ":" << line << ": " << errorString);
-    }
-    error = GlobalOpenGL().m_glGetError();
-  }
+void QGL_assertNoErrors( const char *file, int line ){
+       GLenum error = GlobalOpenGL().m_glGetError();
+       while ( error != GL_NO_ERROR )
+       {
+               const char* errorString = reinterpret_cast<const char*>( qgluErrorString( error ) );
+               if ( error == GL_OUT_OF_MEMORY ) {
+                       ERROR_MESSAGE( "OpenGL out of memory error at " << file << ":" << line << ": " << errorString );
+               }
+               else
+               {
+                       ERROR_MESSAGE( "OpenGL error at " << file << ":" << line << ": " << errorString );
+               }
+               error = GlobalOpenGL().m_glGetError();
+       }
 }
 
 
 class QglAPI
 {
-  OpenGLBinding m_qgl;
+OpenGLBinding m_qgl;
 public:
-  typedef OpenGLBinding Type;
-  STRING_CONSTANT(Name, "*");
-
-  QglAPI()
-  {
-    QGL_Init(m_qgl);
-
-    m_qgl.assertNoErrors = &QGL_assertNoErrors;
-  }
-  ~QglAPI()
-  {
-    QGL_Shutdown(m_qgl);
-  }
-  OpenGLBinding* getTable()
-  {
-    return &m_qgl;
-  }
+typedef OpenGLBinding Type;
+STRING_CONSTANT( Name, "*" );
+
+QglAPI(){
+       QGL_Init( m_qgl );
+
+       m_qgl.assertNoErrors = &QGL_assertNoErrors;
+}
+~QglAPI(){
+       QGL_Shutdown( m_qgl );
+}
+OpenGLBinding* getTable(){
+       return &m_qgl;
+}
 };
 
 #include "modulesystem/singletonmodule.h"
@@ -1656,4 +1502,4 @@ public:
 
 typedef SingletonModule<QglAPI> QglModule;
 typedef Static<QglModule> StaticQglModule;
-StaticRegisterModule staticRegisterQgl(StaticQglModule::instance());
+StaticRegisterModule staticRegisterQgl( StaticQglModule::instance() );