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/*
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
Copyright ( C ) 1999 - 2005 Id Software , Inc .
This file is part of Quake III Arena source code .
Quake III Arena source code 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 .
Quake III Arena source code 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 Foobar ; if not , write to the Free Software
Foundation , Inc . , 51 Franklin St , Fifth Floor , Boston , MA 02110 - 1301 USA
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
*/
/*
* * QGL . H
*/
# ifndef __QGL_H__
# define __QGL_H__
# if defined( __LINT__ )
# include <GL/gl.h>
# elif defined( _WIN32 )
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# if _MSC_VER
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# pragma warning (disable: 4201)
# pragma warning (disable: 4214)
# pragma warning (disable: 4514)
# pragma warning (disable: 4032)
# pragma warning (disable: 4201)
# pragma warning (disable: 4214)
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# endif
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# include <windows.h>
# include <gl/gl.h>
# elif defined(MACOS_X)
# include "macosx_glimp.h"
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# elif defined( __linux__ ) || defined(__FreeBSD__)
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# include <GL/gl.h>
# include <GL/glx.h>
// bk001129 - from cvs1.17 (mkv)
# if defined(__FX__)
# include <GL/fxmesa.h>
# endif
# else
# include <gl.h>
# endif
# ifndef APIENTRY
# define APIENTRY
# endif
# ifndef WINAPI
# define WINAPI
# endif
//===========================================================================
/*
* * multitexture extension definitions
*/
# define GL_ACTIVE_TEXTURE_ARB 0x84E0
# define GL_CLIENT_ACTIVE_TEXTURE_ARB 0x84E1
# define GL_MAX_ACTIVE_TEXTURES_ARB 0x84E2
# define GL_TEXTURE0_ARB 0x84C0
# define GL_TEXTURE1_ARB 0x84C1
# define GL_TEXTURE2_ARB 0x84C2
# define GL_TEXTURE3_ARB 0x84C3
// NOTE: some Linux platforms would need those prototypes
# if defined(MACOS_X)
typedef void ( APIENTRY * PFNGLMULTITEXCOORD1DARBPROC ) ( GLenum target , GLdouble s ) ;
typedef void ( APIENTRY * PFNGLMULTITEXCOORD1DVARBPROC ) ( GLenum target , const GLdouble * v ) ;
typedef void ( APIENTRY * PFNGLMULTITEXCOORD1FARBPROC ) ( GLenum target , GLfloat s ) ;
typedef void ( APIENTRY * PFNGLMULTITEXCOORD1FVARBPROC ) ( GLenum target , const GLfloat * v ) ;
typedef void ( APIENTRY * PFNGLMULTITEXCOORD1IARBPROC ) ( GLenum target , GLint s ) ;
typedef void ( APIENTRY * PFNGLMULTITEXCOORD1IVARBPROC ) ( GLenum target , const GLint * v ) ;
typedef void ( APIENTRY * PFNGLMULTITEXCOORD1SARBPROC ) ( GLenum target , GLshort s ) ;
typedef void ( APIENTRY * PFNGLMULTITEXCOORD1SVARBPROC ) ( GLenum target , const GLshort * v ) ;
typedef void ( APIENTRY * PFNGLMULTITEXCOORD2DARBPROC ) ( GLenum target , GLdouble s , GLdouble t ) ;
typedef void ( APIENTRY * PFNGLMULTITEXCOORD2DVARBPROC ) ( GLenum target , const GLdouble * v ) ;
typedef void ( APIENTRY * PFNGLMULTITEXCOORD2FARBPROC ) ( GLenum target , GLfloat s , GLfloat t ) ;
typedef void ( APIENTRY * PFNGLMULTITEXCOORD2FVARBPROC ) ( GLenum target , const GLfloat * v ) ;
typedef void ( APIENTRY * PFNGLMULTITEXCOORD2IARBPROC ) ( GLenum target , GLint s , GLint t ) ;
typedef void ( APIENTRY * PFNGLMULTITEXCOORD2IVARBPROC ) ( GLenum target , const GLint * v ) ;
typedef void ( APIENTRY * PFNGLMULTITEXCOORD2SARBPROC ) ( GLenum target , GLshort s , GLshort t ) ;
typedef void ( APIENTRY * PFNGLMULTITEXCOORD2SVARBPROC ) ( GLenum target , const GLshort * v ) ;
typedef void ( APIENTRY * PFNGLMULTITEXCOORD3DARBPROC ) ( GLenum target , GLdouble s , GLdouble t , GLdouble r ) ;
typedef void ( APIENTRY * PFNGLMULTITEXCOORD3DVARBPROC ) ( GLenum target , const GLdouble * v ) ;
typedef void ( APIENTRY * PFNGLMULTITEXCOORD3FARBPROC ) ( GLenum target , GLfloat s , GLfloat t , GLfloat r ) ;
typedef void ( APIENTRY * PFNGLMULTITEXCOORD3FVARBPROC ) ( GLenum target , const GLfloat * v ) ;
typedef void ( APIENTRY * PFNGLMULTITEXCOORD3IARBPROC ) ( GLenum target , GLint s , GLint t , GLint r ) ;
typedef void ( APIENTRY * PFNGLMULTITEXCOORD3IVARBPROC ) ( GLenum target , const GLint * v ) ;
typedef void ( APIENTRY * PFNGLMULTITEXCOORD3SARBPROC ) ( GLenum target , GLshort s , GLshort t , GLshort r ) ;
typedef void ( APIENTRY * PFNGLMULTITEXCOORD3SVARBPROC ) ( GLenum target , const GLshort * v ) ;
typedef void ( APIENTRY * PFNGLMULTITEXCOORD4DARBPROC ) ( GLenum target , GLdouble s , GLdouble t , GLdouble r , GLdouble q ) ;
typedef void ( APIENTRY * PFNGLMULTITEXCOORD4DVARBPROC ) ( GLenum target , const GLdouble * v ) ;
typedef void ( APIENTRY * PFNGLMULTITEXCOORD4FARBPROC ) ( GLenum target , GLfloat s , GLfloat t , GLfloat r , GLfloat q ) ;
typedef void ( APIENTRY * PFNGLMULTITEXCOORD4FVARBPROC ) ( GLenum target , const GLfloat * v ) ;
typedef void ( APIENTRY * PFNGLMULTITEXCOORD4IARBPROC ) ( GLenum target , GLint s , GLint t , GLint r , GLint q ) ;
typedef void ( APIENTRY * PFNGLMULTITEXCOORD4IVARBPROC ) ( GLenum target , const GLint * v ) ;
typedef void ( APIENTRY * PFNGLMULTITEXCOORD4SARBPROC ) ( GLenum target , GLshort s , GLshort t , GLshort r , GLshort q ) ;
typedef void ( APIENTRY * PFNGLMULTITEXCOORD4SVARBPROC ) ( GLenum target , const GLshort * v ) ;
typedef void ( APIENTRY * PFNGLACTIVETEXTUREARBPROC ) ( GLenum target ) ;
typedef void ( APIENTRY * PFNGLCLIENTACTIVETEXTUREARBPROC ) ( GLenum target ) ;
# endif
// TTimo - VC7 / XP ?
# ifdef WIN32
typedef void ( APIENTRY * PFNGLMULTITEXCOORD2FARBPROC ) ( GLenum target , GLfloat s , GLfloat t ) ;
typedef void ( APIENTRY * PFNGLACTIVETEXTUREARBPROC ) ( GLenum target ) ;
typedef void ( APIENTRY * PFNGLCLIENTACTIVETEXTUREARBPROC ) ( GLenum target ) ;
# endif
/*
* * extension constants
*/
// S3TC compression constants
# define GL_RGB_S3TC 0x83A0
# define GL_RGB4_S3TC 0x83A1
// extensions will be function pointers on all platforms
extern void ( APIENTRY * qglMultiTexCoord2fARB ) ( GLenum texture , GLfloat s , GLfloat t ) ;
extern void ( APIENTRY * qglActiveTextureARB ) ( GLenum texture ) ;
extern void ( APIENTRY * qglClientActiveTextureARB ) ( GLenum texture ) ;
extern void ( APIENTRY * qglLockArraysEXT ) ( GLint , GLint ) ;
extern void ( APIENTRY * qglUnlockArraysEXT ) ( void ) ;
//===========================================================================
// non-windows systems will just redefine qgl* to gl*
# if !defined( _WIN32 ) && !defined(MACOS_X) && !defined( __linux__ ) && !defined( __FreeBSD__ ) // rb010123
# include "qgl_linked.h"
# elif defined(MACOS_X)
// This includes #ifdefs for optional logging and GL error checking after every GL call as well as #defines to prevent incorrect usage of the non-'qgl' versions of the GL API.
# include "macosx_qgl.h"
# else
// windows systems use a function pointer for each call so we can load minidrivers
extern void ( APIENTRY * qglAccum ) ( GLenum op , GLfloat value ) ;
extern void ( APIENTRY * qglAlphaFunc ) ( GLenum func , GLclampf ref ) ;
extern GLboolean ( APIENTRY * qglAreTexturesResident ) ( GLsizei n , const GLuint * textures , GLboolean * residences ) ;
extern void ( APIENTRY * qglArrayElement ) ( GLint i ) ;
extern void ( APIENTRY * qglBegin ) ( GLenum mode ) ;
extern void ( APIENTRY * qglBindTexture ) ( GLenum target , GLuint texture ) ;
extern void ( APIENTRY * qglBitmap ) ( GLsizei width , GLsizei height , GLfloat xorig , GLfloat yorig , GLfloat xmove , GLfloat ymove , const GLubyte * bitmap ) ;
extern void ( APIENTRY * qglBlendFunc ) ( GLenum sfactor , GLenum dfactor ) ;
extern void ( APIENTRY * qglCallList ) ( GLuint list ) ;
extern void ( APIENTRY * qglCallLists ) ( GLsizei n , GLenum type , const GLvoid * lists ) ;
extern void ( APIENTRY * qglClear ) ( GLbitfield mask ) ;
extern void ( APIENTRY * qglClearAccum ) ( GLfloat red , GLfloat green , GLfloat blue , GLfloat alpha ) ;
extern void ( APIENTRY * qglClearColor ) ( GLclampf red , GLclampf green , GLclampf blue , GLclampf alpha ) ;
extern void ( APIENTRY * qglClearDepth ) ( GLclampd depth ) ;
extern void ( APIENTRY * qglClearIndex ) ( GLfloat c ) ;
extern void ( APIENTRY * qglClearStencil ) ( GLint s ) ;
extern void ( APIENTRY * qglClipPlane ) ( GLenum plane , const GLdouble * equation ) ;
extern void ( APIENTRY * qglColor3b ) ( GLbyte red , GLbyte green , GLbyte blue ) ;
extern void ( APIENTRY * qglColor3bv ) ( const GLbyte * v ) ;
extern void ( APIENTRY * qglColor3d ) ( GLdouble red , GLdouble green , GLdouble blue ) ;
extern void ( APIENTRY * qglColor3dv ) ( const GLdouble * v ) ;
extern void ( APIENTRY * qglColor3f ) ( GLfloat red , GLfloat green , GLfloat blue ) ;
extern void ( APIENTRY * qglColor3fv ) ( const GLfloat * v ) ;
extern void ( APIENTRY * qglColor3i ) ( GLint red , GLint green , GLint blue ) ;
extern void ( APIENTRY * qglColor3iv ) ( const GLint * v ) ;
extern void ( APIENTRY * qglColor3s ) ( GLshort red , GLshort green , GLshort blue ) ;
extern void ( APIENTRY * qglColor3sv ) ( const GLshort * v ) ;
extern void ( APIENTRY * qglColor3ub ) ( GLubyte red , GLubyte green , GLubyte blue ) ;
extern void ( APIENTRY * qglColor3ubv ) ( const GLubyte * v ) ;
extern void ( APIENTRY * qglColor3ui ) ( GLuint red , GLuint green , GLuint blue ) ;
extern void ( APIENTRY * qglColor3uiv ) ( const GLuint * v ) ;
extern void ( APIENTRY * qglColor3us ) ( GLushort red , GLushort green , GLushort blue ) ;
extern void ( APIENTRY * qglColor3usv ) ( const GLushort * v ) ;
extern void ( APIENTRY * qglColor4b ) ( GLbyte red , GLbyte green , GLbyte blue , GLbyte alpha ) ;
extern void ( APIENTRY * qglColor4bv ) ( const GLbyte * v ) ;
extern void ( APIENTRY * qglColor4d ) ( GLdouble red , GLdouble green , GLdouble blue , GLdouble alpha ) ;
extern void ( APIENTRY * qglColor4dv ) ( const GLdouble * v ) ;
extern void ( APIENTRY * qglColor4f ) ( GLfloat red , GLfloat green , GLfloat blue , GLfloat alpha ) ;
extern void ( APIENTRY * qglColor4fv ) ( const GLfloat * v ) ;
extern void ( APIENTRY * qglColor4i ) ( GLint red , GLint green , GLint blue , GLint alpha ) ;
extern void ( APIENTRY * qglColor4iv ) ( const GLint * v ) ;
extern void ( APIENTRY * qglColor4s ) ( GLshort red , GLshort green , GLshort blue , GLshort alpha ) ;
extern void ( APIENTRY * qglColor4sv ) ( const GLshort * v ) ;
extern void ( APIENTRY * qglColor4ub ) ( GLubyte red , GLubyte green , GLubyte blue , GLubyte alpha ) ;
extern void ( APIENTRY * qglColor4ubv ) ( const GLubyte * v ) ;
extern void ( APIENTRY * qglColor4ui ) ( GLuint red , GLuint green , GLuint blue , GLuint alpha ) ;
extern void ( APIENTRY * qglColor4uiv ) ( const GLuint * v ) ;
extern void ( APIENTRY * qglColor4us ) ( GLushort red , GLushort green , GLushort blue , GLushort alpha ) ;
extern void ( APIENTRY * qglColor4usv ) ( const GLushort * v ) ;
extern void ( APIENTRY * qglColorMask ) ( GLboolean red , GLboolean green , GLboolean blue , GLboolean alpha ) ;
extern void ( APIENTRY * qglColorMaterial ) ( GLenum face , GLenum mode ) ;
extern void ( APIENTRY * qglColorPointer ) ( GLint size , GLenum type , GLsizei stride , const GLvoid * pointer ) ;
extern void ( APIENTRY * qglCopyPixels ) ( GLint x , GLint y , GLsizei width , GLsizei height , GLenum type ) ;
extern void ( APIENTRY * qglCopyTexImage1D ) ( GLenum target , GLint level , GLenum internalFormat , GLint x , GLint y , GLsizei width , GLint border ) ;
extern void ( APIENTRY * qglCopyTexImage2D ) ( GLenum target , GLint level , GLenum internalFormat , GLint x , GLint y , GLsizei width , GLsizei height , GLint border ) ;
extern void ( APIENTRY * qglCopyTexSubImage1D ) ( GLenum target , GLint level , GLint xoffset , GLint x , GLint y , GLsizei width ) ;
extern void ( APIENTRY * qglCopyTexSubImage2D ) ( GLenum target , GLint level , GLint xoffset , GLint yoffset , GLint x , GLint y , GLsizei width , GLsizei height ) ;
extern void ( APIENTRY * qglCullFace ) ( GLenum mode ) ;
extern void ( APIENTRY * qglDeleteLists ) ( GLuint list , GLsizei range ) ;
extern void ( APIENTRY * qglDeleteTextures ) ( GLsizei n , const GLuint * textures ) ;
extern void ( APIENTRY * qglDepthFunc ) ( GLenum func ) ;
extern void ( APIENTRY * qglDepthMask ) ( GLboolean flag ) ;
extern void ( APIENTRY * qglDepthRange ) ( GLclampd zNear , GLclampd zFar ) ;
extern void ( APIENTRY * qglDisable ) ( GLenum cap ) ;
extern void ( APIENTRY * qglDisableClientState ) ( GLenum array ) ;
extern void ( APIENTRY * qglDrawArrays ) ( GLenum mode , GLint first , GLsizei count ) ;
extern void ( APIENTRY * qglDrawBuffer ) ( GLenum mode ) ;
extern void ( APIENTRY * qglDrawElements ) ( GLenum mode , GLsizei count , GLenum type , const GLvoid * indices ) ;
extern void ( APIENTRY * qglDrawPixels ) ( GLsizei width , GLsizei height , GLenum format , GLenum type , const GLvoid * pixels ) ;
extern void ( APIENTRY * qglEdgeFlag ) ( GLboolean flag ) ;
extern void ( APIENTRY * qglEdgeFlagPointer ) ( GLsizei stride , const GLvoid * pointer ) ;
extern void ( APIENTRY * qglEdgeFlagv ) ( const GLboolean * flag ) ;
extern void ( APIENTRY * qglEnable ) ( GLenum cap ) ;
extern void ( APIENTRY * qglEnableClientState ) ( GLenum array ) ;
extern void ( APIENTRY * qglEnd ) ( void ) ;
extern void ( APIENTRY * qglEndList ) ( void ) ;
extern void ( APIENTRY * qglEvalCoord1d ) ( GLdouble u ) ;
extern void ( APIENTRY * qglEvalCoord1dv ) ( const GLdouble * u ) ;
extern void ( APIENTRY * qglEvalCoord1f ) ( GLfloat u ) ;
extern void ( APIENTRY * qglEvalCoord1fv ) ( const GLfloat * u ) ;
extern void ( APIENTRY * qglEvalCoord2d ) ( GLdouble u , GLdouble v ) ;
extern void ( APIENTRY * qglEvalCoord2dv ) ( const GLdouble * u ) ;
extern void ( APIENTRY * qglEvalCoord2f ) ( GLfloat u , GLfloat v ) ;
extern void ( APIENTRY * qglEvalCoord2fv ) ( const GLfloat * u ) ;
extern void ( APIENTRY * qglEvalMesh1 ) ( GLenum mode , GLint i1 , GLint i2 ) ;
extern void ( APIENTRY * qglEvalMesh2 ) ( GLenum mode , GLint i1 , GLint i2 , GLint j1 , GLint j2 ) ;
extern void ( APIENTRY * qglEvalPoint1 ) ( GLint i ) ;
extern void ( APIENTRY * qglEvalPoint2 ) ( GLint i , GLint j ) ;
extern void ( APIENTRY * qglFeedbackBuffer ) ( GLsizei size , GLenum type , GLfloat * buffer ) ;
extern void ( APIENTRY * qglFinish ) ( void ) ;
extern void ( APIENTRY * qglFlush ) ( void ) ;
extern void ( APIENTRY * qglFogf ) ( GLenum pname , GLfloat param ) ;
extern void ( APIENTRY * qglFogfv ) ( GLenum pname , const GLfloat * params ) ;
extern void ( APIENTRY * qglFogi ) ( GLenum pname , GLint param ) ;
extern void ( APIENTRY * qglFogiv ) ( GLenum pname , const GLint * params ) ;
extern void ( APIENTRY * qglFrontFace ) ( GLenum mode ) ;
extern void ( APIENTRY * qglFrustum ) ( GLdouble left , GLdouble right , GLdouble bottom , GLdouble top , GLdouble zNear , GLdouble zFar ) ;
extern GLuint ( APIENTRY * qglGenLists ) ( GLsizei range ) ;
extern void ( APIENTRY * qglGenTextures ) ( GLsizei n , GLuint * textures ) ;
extern void ( APIENTRY * qglGetBooleanv ) ( GLenum pname , GLboolean * params ) ;
extern void ( APIENTRY * qglGetClipPlane ) ( GLenum plane , GLdouble * equation ) ;
extern void ( APIENTRY * qglGetDoublev ) ( GLenum pname , GLdouble * params ) ;
extern GLenum ( APIENTRY * qglGetError ) ( void ) ;
extern void ( APIENTRY * qglGetFloatv ) ( GLenum pname , GLfloat * params ) ;
extern void ( APIENTRY * qglGetIntegerv ) ( GLenum pname , GLint * params ) ;
extern void ( APIENTRY * qglGetLightfv ) ( GLenum light , GLenum pname , GLfloat * params ) ;
extern void ( APIENTRY * qglGetLightiv ) ( GLenum light , GLenum pname , GLint * params ) ;
extern void ( APIENTRY * qglGetMapdv ) ( GLenum target , GLenum query , GLdouble * v ) ;
extern void ( APIENTRY * qglGetMapfv ) ( GLenum target , GLenum query , GLfloat * v ) ;
extern void ( APIENTRY * qglGetMapiv ) ( GLenum target , GLenum query , GLint * v ) ;
extern void ( APIENTRY * qglGetMaterialfv ) ( GLenum face , GLenum pname , GLfloat * params ) ;
extern void ( APIENTRY * qglGetMaterialiv ) ( GLenum face , GLenum pname , GLint * params ) ;
extern void ( APIENTRY * qglGetPixelMapfv ) ( GLenum map , GLfloat * values ) ;
extern void ( APIENTRY * qglGetPixelMapuiv ) ( GLenum map , GLuint * values ) ;
extern void ( APIENTRY * qglGetPixelMapusv ) ( GLenum map , GLushort * values ) ;
extern void ( APIENTRY * qglGetPointerv ) ( GLenum pname , GLvoid * * params ) ;
extern void ( APIENTRY * qglGetPolygonStipple ) ( GLubyte * mask ) ;
extern const GLubyte * ( APIENTRY * qglGetString ) ( GLenum name ) ;
extern void ( APIENTRY * qglGetTexEnvfv ) ( GLenum target , GLenum pname , GLfloat * params ) ;
extern void ( APIENTRY * qglGetTexEnviv ) ( GLenum target , GLenum pname , GLint * params ) ;
extern void ( APIENTRY * qglGetTexGendv ) ( GLenum coord , GLenum pname , GLdouble * params ) ;
extern void ( APIENTRY * qglGetTexGenfv ) ( GLenum coord , GLenum pname , GLfloat * params ) ;
extern void ( APIENTRY * qglGetTexGeniv ) ( GLenum coord , GLenum pname , GLint * params ) ;
extern void ( APIENTRY * qglGetTexImage ) ( GLenum target , GLint level , GLenum format , GLenum type , GLvoid * pixels ) ;
extern void ( APIENTRY * qglGetTexLevelParameterfv ) ( GLenum target , GLint level , GLenum pname , GLfloat * params ) ;
extern void ( APIENTRY * qglGetTexLevelParameteriv ) ( GLenum target , GLint level , GLenum pname , GLint * params ) ;
extern void ( APIENTRY * qglGetTexParameterfv ) ( GLenum target , GLenum pname , GLfloat * params ) ;
extern void ( APIENTRY * qglGetTexParameteriv ) ( GLenum target , GLenum pname , GLint * params ) ;
extern void ( APIENTRY * qglHint ) ( GLenum target , GLenum mode ) ;
extern void ( APIENTRY * qglIndexMask ) ( GLuint mask ) ;
extern void ( APIENTRY * qglIndexPointer ) ( GLenum type , GLsizei stride , const GLvoid * pointer ) ;
extern void ( APIENTRY * qglIndexd ) ( GLdouble c ) ;
extern void ( APIENTRY * qglIndexdv ) ( const GLdouble * c ) ;
extern void ( APIENTRY * qglIndexf ) ( GLfloat c ) ;
extern void ( APIENTRY * qglIndexfv ) ( const GLfloat * c ) ;
extern void ( APIENTRY * qglIndexi ) ( GLint c ) ;
extern void ( APIENTRY * qglIndexiv ) ( const GLint * c ) ;
extern void ( APIENTRY * qglIndexs ) ( GLshort c ) ;
extern void ( APIENTRY * qglIndexsv ) ( const GLshort * c ) ;
extern void ( APIENTRY * qglIndexub ) ( GLubyte c ) ;
extern void ( APIENTRY * qglIndexubv ) ( const GLubyte * c ) ;
extern void ( APIENTRY * qglInitNames ) ( void ) ;
extern void ( APIENTRY * qglInterleavedArrays ) ( GLenum format , GLsizei stride , const GLvoid * pointer ) ;
extern GLboolean ( APIENTRY * qglIsEnabled ) ( GLenum cap ) ;
extern GLboolean ( APIENTRY * qglIsList ) ( GLuint list ) ;
extern GLboolean ( APIENTRY * qglIsTexture ) ( GLuint texture ) ;
extern void ( APIENTRY * qglLightModelf ) ( GLenum pname , GLfloat param ) ;
extern void ( APIENTRY * qglLightModelfv ) ( GLenum pname , const GLfloat * params ) ;
extern void ( APIENTRY * qglLightModeli ) ( GLenum pname , GLint param ) ;
extern void ( APIENTRY * qglLightModeliv ) ( GLenum pname , const GLint * params ) ;
extern void ( APIENTRY * qglLightf ) ( GLenum light , GLenum pname , GLfloat param ) ;
extern void ( APIENTRY * qglLightfv ) ( GLenum light , GLenum pname , const GLfloat * params ) ;
extern void ( APIENTRY * qglLighti ) ( GLenum light , GLenum pname , GLint param ) ;
extern void ( APIENTRY * qglLightiv ) ( GLenum light , GLenum pname , const GLint * params ) ;
extern void ( APIENTRY * qglLineStipple ) ( GLint factor , GLushort pattern ) ;
extern void ( APIENTRY * qglLineWidth ) ( GLfloat width ) ;
extern void ( APIENTRY * qglListBase ) ( GLuint base ) ;
extern void ( APIENTRY * qglLoadIdentity ) ( void ) ;
extern void ( APIENTRY * qglLoadMatrixd ) ( const GLdouble * m ) ;
extern void ( APIENTRY * qglLoadMatrixf ) ( const GLfloat * m ) ;
extern void ( APIENTRY * qglLoadName ) ( GLuint name ) ;
extern void ( APIENTRY * qglLogicOp ) ( GLenum opcode ) ;
extern void ( APIENTRY * qglMap1d ) ( GLenum target , GLdouble u1 , GLdouble u2 , GLint stride , GLint order , const GLdouble * points ) ;
extern void ( APIENTRY * qglMap1f ) ( GLenum target , GLfloat u1 , GLfloat u2 , GLint stride , GLint order , const GLfloat * points ) ;
extern void ( APIENTRY * qglMap2d ) ( GLenum target , GLdouble u1 , GLdouble u2 , GLint ustride , GLint uorder , GLdouble v1 , GLdouble v2 , GLint vstride , GLint vorder , const GLdouble * points ) ;
extern void ( APIENTRY * qglMap2f ) ( GLenum target , GLfloat u1 , GLfloat u2 , GLint ustride , GLint uorder , GLfloat v1 , GLfloat v2 , GLint vstride , GLint vorder , const GLfloat * points ) ;
extern void ( APIENTRY * qglMapGrid1d ) ( GLint un , GLdouble u1 , GLdouble u2 ) ;
extern void ( APIENTRY * qglMapGrid1f ) ( GLint un , GLfloat u1 , GLfloat u2 ) ;
extern void ( APIENTRY * qglMapGrid2d ) ( GLint un , GLdouble u1 , GLdouble u2 , GLint vn , GLdouble v1 , GLdouble v2 ) ;
extern void ( APIENTRY * qglMapGrid2f ) ( GLint un , GLfloat u1 , GLfloat u2 , GLint vn , GLfloat v1 , GLfloat v2 ) ;
extern void ( APIENTRY * qglMaterialf ) ( GLenum face , GLenum pname , GLfloat param ) ;
extern void ( APIENTRY * qglMaterialfv ) ( GLenum face , GLenum pname , const GLfloat * params ) ;
extern void ( APIENTRY * qglMateriali ) ( GLenum face , GLenum pname , GLint param ) ;
extern void ( APIENTRY * qglMaterialiv ) ( GLenum face , GLenum pname , const GLint * params ) ;
extern void ( APIENTRY * qglMatrixMode ) ( GLenum mode ) ;
extern void ( APIENTRY * qglMultMatrixd ) ( const GLdouble * m ) ;
extern void ( APIENTRY * qglMultMatrixf ) ( const GLfloat * m ) ;
extern void ( APIENTRY * qglNewList ) ( GLuint list , GLenum mode ) ;
extern void ( APIENTRY * qglNormal3b ) ( GLbyte nx , GLbyte ny , GLbyte nz ) ;
extern void ( APIENTRY * qglNormal3bv ) ( const GLbyte * v ) ;
extern void ( APIENTRY * qglNormal3d ) ( GLdouble nx , GLdouble ny , GLdouble nz ) ;
extern void ( APIENTRY * qglNormal3dv ) ( const GLdouble * v ) ;
extern void ( APIENTRY * qglNormal3f ) ( GLfloat nx , GLfloat ny , GLfloat nz ) ;
extern void ( APIENTRY * qglNormal3fv ) ( const GLfloat * v ) ;
extern void ( APIENTRY * qglNormal3i ) ( GLint nx , GLint ny , GLint nz ) ;
extern void ( APIENTRY * qglNormal3iv ) ( const GLint * v ) ;
extern void ( APIENTRY * qglNormal3s ) ( GLshort nx , GLshort ny , GLshort nz ) ;
extern void ( APIENTRY * qglNormal3sv ) ( const GLshort * v ) ;
extern void ( APIENTRY * qglNormalPointer ) ( GLenum type , GLsizei stride , const GLvoid * pointer ) ;
extern void ( APIENTRY * qglOrtho ) ( GLdouble left , GLdouble right , GLdouble bottom , GLdouble top , GLdouble zNear , GLdouble zFar ) ;
extern void ( APIENTRY * qglPassThrough ) ( GLfloat token ) ;
extern void ( APIENTRY * qglPixelMapfv ) ( GLenum map , GLsizei mapsize , const GLfloat * values ) ;
extern void ( APIENTRY * qglPixelMapuiv ) ( GLenum map , GLsizei mapsize , const GLuint * values ) ;
extern void ( APIENTRY * qglPixelMapusv ) ( GLenum map , GLsizei mapsize , const GLushort * values ) ;
extern void ( APIENTRY * qglPixelStoref ) ( GLenum pname , GLfloat param ) ;
extern void ( APIENTRY * qglPixelStorei ) ( GLenum pname , GLint param ) ;
extern void ( APIENTRY * qglPixelTransferf ) ( GLenum pname , GLfloat param ) ;
extern void ( APIENTRY * qglPixelTransferi ) ( GLenum pname , GLint param ) ;
extern void ( APIENTRY * qglPixelZoom ) ( GLfloat xfactor , GLfloat yfactor ) ;
extern void ( APIENTRY * qglPointSize ) ( GLfloat size ) ;
extern void ( APIENTRY * qglPolygonMode ) ( GLenum face , GLenum mode ) ;
extern void ( APIENTRY * qglPolygonOffset ) ( GLfloat factor , GLfloat units ) ;
extern void ( APIENTRY * qglPolygonStipple ) ( const GLubyte * mask ) ;
extern void ( APIENTRY * qglPopAttrib ) ( void ) ;
extern void ( APIENTRY * qglPopClientAttrib ) ( void ) ;
extern void ( APIENTRY * qglPopMatrix ) ( void ) ;
extern void ( APIENTRY * qglPopName ) ( void ) ;
extern void ( APIENTRY * qglPrioritizeTextures ) ( GLsizei n , const GLuint * textures , const GLclampf * priorities ) ;
extern void ( APIENTRY * qglPushAttrib ) ( GLbitfield mask ) ;
extern void ( APIENTRY * qglPushClientAttrib ) ( GLbitfield mask ) ;
extern void ( APIENTRY * qglPushMatrix ) ( void ) ;
extern void ( APIENTRY * qglPushName ) ( GLuint name ) ;
extern void ( APIENTRY * qglRasterPos2d ) ( GLdouble x , GLdouble y ) ;
extern void ( APIENTRY * qglRasterPos2dv ) ( const GLdouble * v ) ;
extern void ( APIENTRY * qglRasterPos2f ) ( GLfloat x , GLfloat y ) ;
extern void ( APIENTRY * qglRasterPos2fv ) ( const GLfloat * v ) ;
extern void ( APIENTRY * qglRasterPos2i ) ( GLint x , GLint y ) ;
extern void ( APIENTRY * qglRasterPos2iv ) ( const GLint * v ) ;
extern void ( APIENTRY * qglRasterPos2s ) ( GLshort x , GLshort y ) ;
extern void ( APIENTRY * qglRasterPos2sv ) ( const GLshort * v ) ;
extern void ( APIENTRY * qglRasterPos3d ) ( GLdouble x , GLdouble y , GLdouble z ) ;
extern void ( APIENTRY * qglRasterPos3dv ) ( const GLdouble * v ) ;
extern void ( APIENTRY * qglRasterPos3f ) ( GLfloat x , GLfloat y , GLfloat z ) ;
extern void ( APIENTRY * qglRasterPos3fv ) ( const GLfloat * v ) ;
extern void ( APIENTRY * qglRasterPos3i ) ( GLint x , GLint y , GLint z ) ;
extern void ( APIENTRY * qglRasterPos3iv ) ( const GLint * v ) ;
extern void ( APIENTRY * qglRasterPos3s ) ( GLshort x , GLshort y , GLshort z ) ;
extern void ( APIENTRY * qglRasterPos3sv ) ( const GLshort * v ) ;
extern void ( APIENTRY * qglRasterPos4d ) ( GLdouble x , GLdouble y , GLdouble z , GLdouble w ) ;
extern void ( APIENTRY * qglRasterPos4dv ) ( const GLdouble * v ) ;
extern void ( APIENTRY * qglRasterPos4f ) ( GLfloat x , GLfloat y , GLfloat z , GLfloat w ) ;
extern void ( APIENTRY * qglRasterPos4fv ) ( const GLfloat * v ) ;
extern void ( APIENTRY * qglRasterPos4i ) ( GLint x , GLint y , GLint z , GLint w ) ;
extern void ( APIENTRY * qglRasterPos4iv ) ( const GLint * v ) ;
extern void ( APIENTRY * qglRasterPos4s ) ( GLshort x , GLshort y , GLshort z , GLshort w ) ;
extern void ( APIENTRY * qglRasterPos4sv ) ( const GLshort * v ) ;
extern void ( APIENTRY * qglReadBuffer ) ( GLenum mode ) ;
extern void ( APIENTRY * qglReadPixels ) ( GLint x , GLint y , GLsizei width , GLsizei height , GLenum format , GLenum type , GLvoid * pixels ) ;
extern void ( APIENTRY * qglRectd ) ( GLdouble x1 , GLdouble y1 , GLdouble x2 , GLdouble y2 ) ;
extern void ( APIENTRY * qglRectdv ) ( const GLdouble * v1 , const GLdouble * v2 ) ;
extern void ( APIENTRY * qglRectf ) ( GLfloat x1 , GLfloat y1 , GLfloat x2 , GLfloat y2 ) ;
extern void ( APIENTRY * qglRectfv ) ( const GLfloat * v1 , const GLfloat * v2 ) ;
extern void ( APIENTRY * qglRecti ) ( GLint x1 , GLint y1 , GLint x2 , GLint y2 ) ;
extern void ( APIENTRY * qglRectiv ) ( const GLint * v1 , const GLint * v2 ) ;
extern void ( APIENTRY * qglRects ) ( GLshort x1 , GLshort y1 , GLshort x2 , GLshort y2 ) ;
extern void ( APIENTRY * qglRectsv ) ( const GLshort * v1 , const GLshort * v2 ) ;
extern GLint ( APIENTRY * qglRenderMode ) ( GLenum mode ) ;
extern void ( APIENTRY * qglRotated ) ( GLdouble angle , GLdouble x , GLdouble y , GLdouble z ) ;
extern void ( APIENTRY * qglRotatef ) ( GLfloat angle , GLfloat x , GLfloat y , GLfloat z ) ;
extern void ( APIENTRY * qglScaled ) ( GLdouble x , GLdouble y , GLdouble z ) ;
extern void ( APIENTRY * qglScalef ) ( GLfloat x , GLfloat y , GLfloat z ) ;
extern void ( APIENTRY * qglScissor ) ( GLint x , GLint y , GLsizei width , GLsizei height ) ;
extern void ( APIENTRY * qglSelectBuffer ) ( GLsizei size , GLuint * buffer ) ;
extern void ( APIENTRY * qglShadeModel ) ( GLenum mode ) ;
extern void ( APIENTRY * qglStencilFunc ) ( GLenum func , GLint ref , GLuint mask ) ;
extern void ( APIENTRY * qglStencilMask ) ( GLuint mask ) ;
extern void ( APIENTRY * qglStencilOp ) ( GLenum fail , GLenum zfail , GLenum zpass ) ;
extern void ( APIENTRY * qglTexCoord1d ) ( GLdouble s ) ;
extern void ( APIENTRY * qglTexCoord1dv ) ( const GLdouble * v ) ;
extern void ( APIENTRY * qglTexCoord1f ) ( GLfloat s ) ;
extern void ( APIENTRY * qglTexCoord1fv ) ( const GLfloat * v ) ;
extern void ( APIENTRY * qglTexCoord1i ) ( GLint s ) ;
extern void ( APIENTRY * qglTexCoord1iv ) ( const GLint * v ) ;
extern void ( APIENTRY * qglTexCoord1s ) ( GLshort s ) ;
extern void ( APIENTRY * qglTexCoord1sv ) ( const GLshort * v ) ;
extern void ( APIENTRY * qglTexCoord2d ) ( GLdouble s , GLdouble t ) ;
extern void ( APIENTRY * qglTexCoord2dv ) ( const GLdouble * v ) ;
extern void ( APIENTRY * qglTexCoord2f ) ( GLfloat s , GLfloat t ) ;
extern void ( APIENTRY * qglTexCoord2fv ) ( const GLfloat * v ) ;
extern void ( APIENTRY * qglTexCoord2i ) ( GLint s , GLint t ) ;
extern void ( APIENTRY * qglTexCoord2iv ) ( const GLint * v ) ;
extern void ( APIENTRY * qglTexCoord2s ) ( GLshort s , GLshort t ) ;
extern void ( APIENTRY * qglTexCoord2sv ) ( const GLshort * v ) ;
extern void ( APIENTRY * qglTexCoord3d ) ( GLdouble s , GLdouble t , GLdouble r ) ;
extern void ( APIENTRY * qglTexCoord3dv ) ( const GLdouble * v ) ;
extern void ( APIENTRY * qglTexCoord3f ) ( GLfloat s , GLfloat t , GLfloat r ) ;
extern void ( APIENTRY * qglTexCoord3fv ) ( const GLfloat * v ) ;
extern void ( APIENTRY * qglTexCoord3i ) ( GLint s , GLint t , GLint r ) ;
extern void ( APIENTRY * qglTexCoord3iv ) ( const GLint * v ) ;
extern void ( APIENTRY * qglTexCoord3s ) ( GLshort s , GLshort t , GLshort r ) ;
extern void ( APIENTRY * qglTexCoord3sv ) ( const GLshort * v ) ;
extern void ( APIENTRY * qglTexCoord4d ) ( GLdouble s , GLdouble t , GLdouble r , GLdouble q ) ;
extern void ( APIENTRY * qglTexCoord4dv ) ( const GLdouble * v ) ;
extern void ( APIENTRY * qglTexCoord4f ) ( GLfloat s , GLfloat t , GLfloat r , GLfloat q ) ;
extern void ( APIENTRY * qglTexCoord4fv ) ( const GLfloat * v ) ;
extern void ( APIENTRY * qglTexCoord4i ) ( GLint s , GLint t , GLint r , GLint q ) ;
extern void ( APIENTRY * qglTexCoord4iv ) ( const GLint * v ) ;
extern void ( APIENTRY * qglTexCoord4s ) ( GLshort s , GLshort t , GLshort r , GLshort q ) ;
extern void ( APIENTRY * qglTexCoord4sv ) ( const GLshort * v ) ;
extern void ( APIENTRY * qglTexCoordPointer ) ( GLint size , GLenum type , GLsizei stride , const GLvoid * pointer ) ;
extern void ( APIENTRY * qglTexEnvf ) ( GLenum target , GLenum pname , GLfloat param ) ;
extern void ( APIENTRY * qglTexEnvfv ) ( GLenum target , GLenum pname , const GLfloat * params ) ;
extern void ( APIENTRY * qglTexEnvi ) ( GLenum target , GLenum pname , GLint param ) ;
extern void ( APIENTRY * qglTexEnviv ) ( GLenum target , GLenum pname , const GLint * params ) ;
extern void ( APIENTRY * qglTexGend ) ( GLenum coord , GLenum pname , GLdouble param ) ;
extern void ( APIENTRY * qglTexGendv ) ( GLenum coord , GLenum pname , const GLdouble * params ) ;
extern void ( APIENTRY * qglTexGenf ) ( GLenum coord , GLenum pname , GLfloat param ) ;
extern void ( APIENTRY * qglTexGenfv ) ( GLenum coord , GLenum pname , const GLfloat * params ) ;
extern void ( APIENTRY * qglTexGeni ) ( GLenum coord , GLenum pname , GLint param ) ;
extern void ( APIENTRY * qglTexGeniv ) ( GLenum coord , GLenum pname , const GLint * params ) ;
extern void ( APIENTRY * qglTexImage1D ) ( GLenum target , GLint level , GLint internalformat , GLsizei width , GLint border , GLenum format , GLenum type , const GLvoid * pixels ) ;
extern void ( APIENTRY * qglTexImage2D ) ( GLenum target , GLint level , GLint internalformat , GLsizei width , GLsizei height , GLint border , GLenum format , GLenum type , const GLvoid * pixels ) ;
extern void ( APIENTRY * qglTexParameterf ) ( GLenum target , GLenum pname , GLfloat param ) ;
extern void ( APIENTRY * qglTexParameterfv ) ( GLenum target , GLenum pname , const GLfloat * params ) ;
extern void ( APIENTRY * qglTexParameteri ) ( GLenum target , GLenum pname , GLint param ) ;
extern void ( APIENTRY * qglTexParameteriv ) ( GLenum target , GLenum pname , const GLint * params ) ;
extern void ( APIENTRY * qglTexSubImage1D ) ( GLenum target , GLint level , GLint xoffset , GLsizei width , GLenum format , GLenum type , const GLvoid * pixels ) ;
extern void ( APIENTRY * qglTexSubImage2D ) ( GLenum target , GLint level , GLint xoffset , GLint yoffset , GLsizei width , GLsizei height , GLenum format , GLenum type , const GLvoid * pixels ) ;
extern void ( APIENTRY * qglTranslated ) ( GLdouble x , GLdouble y , GLdouble z ) ;
extern void ( APIENTRY * qglTranslatef ) ( GLfloat x , GLfloat y , GLfloat z ) ;
extern void ( APIENTRY * qglVertex2d ) ( GLdouble x , GLdouble y ) ;
extern void ( APIENTRY * qglVertex2dv ) ( const GLdouble * v ) ;
extern void ( APIENTRY * qglVertex2f ) ( GLfloat x , GLfloat y ) ;
extern void ( APIENTRY * qglVertex2fv ) ( const GLfloat * v ) ;
extern void ( APIENTRY * qglVertex2i ) ( GLint x , GLint y ) ;
extern void ( APIENTRY * qglVertex2iv ) ( const GLint * v ) ;
extern void ( APIENTRY * qglVertex2s ) ( GLshort x , GLshort y ) ;
extern void ( APIENTRY * qglVertex2sv ) ( const GLshort * v ) ;
extern void ( APIENTRY * qglVertex3d ) ( GLdouble x , GLdouble y , GLdouble z ) ;
extern void ( APIENTRY * qglVertex3dv ) ( const GLdouble * v ) ;
extern void ( APIENTRY * qglVertex3f ) ( GLfloat x , GLfloat y , GLfloat z ) ;
extern void ( APIENTRY * qglVertex3fv ) ( const GLfloat * v ) ;
extern void ( APIENTRY * qglVertex3i ) ( GLint x , GLint y , GLint z ) ;
extern void ( APIENTRY * qglVertex3iv ) ( const GLint * v ) ;
extern void ( APIENTRY * qglVertex3s ) ( GLshort x , GLshort y , GLshort z ) ;
extern void ( APIENTRY * qglVertex3sv ) ( const GLshort * v ) ;
extern void ( APIENTRY * qglVertex4d ) ( GLdouble x , GLdouble y , GLdouble z , GLdouble w ) ;
extern void ( APIENTRY * qglVertex4dv ) ( const GLdouble * v ) ;
extern void ( APIENTRY * qglVertex4f ) ( GLfloat x , GLfloat y , GLfloat z , GLfloat w ) ;
extern void ( APIENTRY * qglVertex4fv ) ( const GLfloat * v ) ;
extern void ( APIENTRY * qglVertex4i ) ( GLint x , GLint y , GLint z , GLint w ) ;
extern void ( APIENTRY * qglVertex4iv ) ( const GLint * v ) ;
extern void ( APIENTRY * qglVertex4s ) ( GLshort x , GLshort y , GLshort z , GLshort w ) ;
extern void ( APIENTRY * qglVertex4sv ) ( const GLshort * v ) ;
extern void ( APIENTRY * qglVertexPointer ) ( GLint size , GLenum type , GLsizei stride , const GLvoid * pointer ) ;
extern void ( APIENTRY * qglViewport ) ( GLint x , GLint y , GLsizei width , GLsizei height ) ;
# if defined( _WIN32 )
extern int ( WINAPI * qwglChoosePixelFormat ) ( HDC , CONST PIXELFORMATDESCRIPTOR * ) ;
extern int ( WINAPI * qwglDescribePixelFormat ) ( HDC , int , UINT , LPPIXELFORMATDESCRIPTOR ) ;
extern int ( WINAPI * qwglGetPixelFormat ) ( HDC ) ;
extern BOOL ( WINAPI * qwglSetPixelFormat ) ( HDC , int , CONST PIXELFORMATDESCRIPTOR * ) ;
extern BOOL ( WINAPI * qwglSwapBuffers ) ( HDC ) ;
extern BOOL ( WINAPI * qwglGetDeviceGammaRamp3DFX ) ( HDC , LPVOID ) ;
extern BOOL ( WINAPI * qwglSetDeviceGammaRamp3DFX ) ( HDC , LPVOID ) ;
extern BOOL ( WINAPI * qwglCopyContext ) ( HGLRC , HGLRC , UINT ) ;
extern HGLRC ( WINAPI * qwglCreateContext ) ( HDC ) ;
extern HGLRC ( WINAPI * qwglCreateLayerContext ) ( HDC , int ) ;
extern BOOL ( WINAPI * qwglDeleteContext ) ( HGLRC ) ;
extern HGLRC ( WINAPI * qwglGetCurrentContext ) ( VOID ) ;
extern HDC ( WINAPI * qwglGetCurrentDC ) ( VOID ) ;
extern PROC ( WINAPI * qwglGetProcAddress ) ( LPCSTR ) ;
extern BOOL ( WINAPI * qwglMakeCurrent ) ( HDC , HGLRC ) ;
extern BOOL ( WINAPI * qwglShareLists ) ( HGLRC , HGLRC ) ;
extern BOOL ( WINAPI * qwglUseFontBitmaps ) ( HDC , DWORD , DWORD , DWORD ) ;
extern BOOL ( WINAPI * qwglUseFontOutlines ) ( HDC , DWORD , DWORD , DWORD , FLOAT ,
FLOAT , int , LPGLYPHMETRICSFLOAT ) ;
extern BOOL ( WINAPI * qwglDescribeLayerPlane ) ( HDC , int , int , UINT ,
LPLAYERPLANEDESCRIPTOR ) ;
extern int ( WINAPI * qwglSetLayerPaletteEntries ) ( HDC , int , int , int ,
CONST COLORREF * ) ;
extern int ( WINAPI * qwglGetLayerPaletteEntries ) ( HDC , int , int , int ,
COLORREF * ) ;
extern BOOL ( WINAPI * qwglRealizeLayerPalette ) ( HDC , int , BOOL ) ;
extern BOOL ( WINAPI * qwglSwapLayerBuffers ) ( HDC , UINT ) ;
extern BOOL ( WINAPI * qwglSwapIntervalEXT ) ( int interval ) ;
# endif // _WIN32
# if ( (defined __linux__ ) || (defined __FreeBSD__ ) ) // rb010123
//FX Mesa Functions
// bk001129 - from cvs1.17 (mkv)
# if defined (__FX__)
extern fxMesaContext ( * qfxMesaCreateContext ) ( GLuint win , GrScreenResolution_t , GrScreenRefresh_t , const GLint attribList [ ] ) ;
extern fxMesaContext ( * qfxMesaCreateBestContext ) ( GLuint win , GLint width , GLint height , const GLint attribList [ ] ) ;
extern void ( * qfxMesaDestroyContext ) ( fxMesaContext ctx ) ;
extern void ( * qfxMesaMakeCurrent ) ( fxMesaContext ctx ) ;
extern fxMesaContext ( * qfxMesaGetCurrentContext ) ( void ) ;
extern void ( * qfxMesaSwapBuffers ) ( void ) ;
# endif
//GLX Functions
extern XVisualInfo * ( * qglXChooseVisual ) ( Display * dpy , int screen , int * attribList ) ;
extern GLXContext ( * qglXCreateContext ) ( Display * dpy , XVisualInfo * vis , GLXContext shareList , Bool direct ) ;
extern void ( * qglXDestroyContext ) ( Display * dpy , GLXContext ctx ) ;
extern Bool ( * qglXMakeCurrent ) ( Display * dpy , GLXDrawable drawable , GLXContext ctx ) ;
extern void ( * qglXCopyContext ) ( Display * dpy , GLXContext src , GLXContext dst , GLuint mask ) ;
extern void ( * qglXSwapBuffers ) ( Display * dpy , GLXDrawable drawable ) ;
# endif // __linux__ || __FreeBSD__ // rb010123
# endif // _WIN32 && __linux__
# endif
