/*****************************************************************************
                    The Dark Mod GPL Source Code
 
 This file is part of the The Dark Mod Source Code, originally based 
 on the Doom 3 GPL Source Code as published in 2011.
 
 The Dark Mod 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 3 of the License, 
 or (at your option) any later version. For details, see LICENSE.TXT.
 
 Project: The Dark Mod (http://www.thedarkmod.com/)
 
******************************************************************************/
/*
** QGL.H
*/

#ifndef __QGL_H__
#define __QGL_H__

#if defined( _WIN32 )

#include <gl/gl.h>

#elif defined( MACOS_X )

// magic flag to keep tiger gl.h from loading glext.h
#define GL_GLEXT_LEGACY
#include <OpenGL/gl.h>

#elif defined( __linux__ )

// using our local glext.h
// http://oss.sgi.com/projects/ogl-sample/ABI/
#define GL_GLEXT_LEGACY
#define GLX_GLXEXT_LEGACY
#include <GL/gl.h>
#include <GL/glx.h>

#else

#include <gl.h>

#endif

#ifndef APIENTRY
#define APIENTRY
#endif
#ifndef WINAPI
#define WINAPI
#endif

#include "glext.h"

typedef void (*GLExtension_t)(void);

#ifdef __cplusplus
	extern "C" {
#endif

GLExtension_t GLimp_ExtensionPointer( const char *name );

#ifdef __cplusplus
	}
#endif

// multitexture
extern	void ( APIENTRY * qglActiveTexture )( GLenum texture );

// ARB_vertex_buffer_object
extern PFNGLBINDBUFFERARBPROC qglBindBuffer;
extern PFNGLDELETEBUFFERSARBPROC qglDeleteBuffers;
extern PFNGLGENBUFFERSARBPROC qglGenBuffers;
extern PFNGLISBUFFERARBPROC qglIsBuffer;
extern PFNGLBUFFERDATAARBPROC qglBufferData;
extern PFNGLBUFFERSUBDATAARBPROC qglBufferSubData;
extern PFNGLGETBUFFERSUBDATAARBPROC qglGetBufferSubData;
extern PFNGLMAPBUFFERARBPROC qglMapBuffer;
extern PFNGLUNMAPBUFFERARBPROC qglUnmapBuffer;
extern PFNGLGETBUFFERPARAMETERIVARBPROC qglGetBufferParameteriv;
extern PFNGLGETBUFFERPOINTERVARBPROC qglGetBufferPointerv;
extern PFNGLMAPBUFFERRANGEPROC qglMapBufferRange;
extern PFNGLFLUSHMAPPEDBUFFERRANGEPROC qglFlushMappedBufferRange;

// 3D textures
extern void ( APIENTRY *qglTexImage3D)(GLenum, GLint, GLint, GLsizei, GLsizei, GLsizei, GLint, GLenum, GLenum, const GLvoid *);

// separate stencil
extern PFNGLSTENCILOPSEPARATEPROC			qglStencilOpSeparate;

// ARB_texture_compression
extern	PFNGLCOMPRESSEDTEXIMAGE2DARBPROC	qglCompressedTexImage2DARB;
extern	PFNGLGETCOMPRESSEDTEXIMAGEARBPROC	qglGetCompressedTexImageARB;

// ARB_vertex_program / ARB_fragment_program
extern PFNGLVERTEXATTRIBPOINTERPROC			qglVertexAttribPointer;
extern PFNGLENABLEVERTEXATTRIBARRAYPROC		qglEnableVertexAttribArray;
extern PFNGLDISABLEVERTEXATTRIBARRAYPROC	qglDisableVertexAttribArray;
extern PFNGLPROGRAMSTRINGARBPROC			qglProgramStringARB;
extern PFNGLBINDPROGRAMARBPROC				qglBindProgramARB;
extern PFNGLGENPROGRAMSARBPROC				qglGenProgramsARB;
extern PFNGLPROGRAMENVPARAMETER4FVARBPROC	qglProgramEnvParameter4fvARB;
extern PFNGLPROGRAMLOCALPARAMETER4FVARBPROC	qglProgramLocalParameter4fvARB;

// GL_EXT_depth_bounds_test
extern PFNGLDEPTHBOUNDSEXTPROC              qglDepthBoundsEXT;

// Frame Buffer Objects
extern PFNGLISRENDERBUFFERPROC				qglIsRenderbuffer;
extern PFNGLBINDRENDERBUFFERPROC			qglBindRenderbuffer;
extern PFNGLDELETERENDERBUFFERSPROC			qglDeleteRenderbuffers;
extern PFNGLGENRENDERBUFFERSPROC			qglGenRenderbuffers;
extern PFNGLRENDERBUFFERSTORAGEPROC			qglRenderbufferStorage;
extern PFNGLGETRENDERBUFFERPARAMETERIVPROC	qglGetRenderbufferParameteriv;
extern PFNGLISFRAMEBUFFERPROC				qglIsFramebuffer;
extern PFNGLBINDFRAMEBUFFERPROC				qglBindFramebuffer;
extern PFNGLDELETEFRAMEBUFFERSPROC			qglDeleteFramebuffers;
extern PFNGLGENFRAMEBUFFERSPROC				qglGenFramebuffers;
extern PFNGLCHECKFRAMEBUFFERSTATUSPROC		qglCheckFramebufferStatus;
extern PFNGLFRAMEBUFFERTEXTURE1DPROC		qglFramebufferTexture1D;
extern PFNGLFRAMEBUFFERTEXTURE2DPROC		qglFramebufferTexture2D;
extern PFNGLFRAMEBUFFERTEXTUREPROC			qglFramebufferTexture;
extern PFNGLFRAMEBUFFERRENDERBUFFERPROC		qglFramebufferRenderbuffer;
extern PFNGLGETFRAMEBUFFERATTACHMENTPARAMETERIVPROC qglGetFramebufferAttachmentParameteriv;
extern PFNGLGENERATEMIPMAPPROC				qglGenerateMipmap;
extern PFNGLBLITFRAMEBUFFERPROC				qglBlitFramebuffer;
extern PFNGLRENDERBUFFERSTORAGEMULTISAMPLEPROC qglRenderbufferStorageMultisample;
extern PFNGLFRAMEBUFFERTEXTURELAYERPROC		qglFramebufferTextureLayer;
extern PFNGLDRAWBUFFERSPROC					qglDrawBuffers;
//extern PFNGLCOPYIMAGESUBDATANVPROC			qglCopyImageSubData;

// GLSL
extern PFNGLATTACHSHADERPROC				qglAttachShader;
extern PFNGLCOMPILESHADERPROC				qglCompileShader;
extern PFNGLCREATEPROGRAMPROC				qglCreateProgram;
extern PFNGLCREATESHADERPROC				qglCreateShader;
extern PFNGLLINKPROGRAMPROC					qglLinkProgram;
extern PFNGLSHADERSOURCEPROC				qglShaderSource;
extern PFNGLUSEPROGRAMPROC					qglUseProgram;
extern PFNGLUNIFORM1FPROC					qglUniform1f;
extern PFNGLUNIFORM2FPROC					qglUniform2f;
extern PFNGLUNIFORM3FPROC					qglUniform3f;
extern PFNGLUNIFORM4FPROC					qglUniform4f;
extern PFNGLUNIFORM1IPROC					qglUniform1i;
extern PFNGLUNIFORM2IPROC					qglUniform2i;
extern PFNGLUNIFORM3IPROC					qglUniform3i;
extern PFNGLUNIFORM4IPROC					qglUniform4i;
extern PFNGLUNIFORM1FVPROC					qglUniform1fv;
extern PFNGLUNIFORM2FVPROC					qglUniform2fv;
extern PFNGLUNIFORM3FVPROC					qglUniform3fv;
extern PFNGLUNIFORM4FVPROC					qglUniform4fv;
extern PFNGLUNIFORM1IVPROC					qglUniform1iv;
extern PFNGLUNIFORM2IVPROC					qglUniform2iv;
extern PFNGLUNIFORM3IVPROC					qglUniform3iv;
extern PFNGLUNIFORM4IVPROC					qglUniform4iv;
extern PFNGLUNIFORMMATRIX2FVPROC			qglUniformMatrix2fv;
extern PFNGLUNIFORMMATRIX3FVPROC			qglUniformMatrix3fv;
extern PFNGLUNIFORMMATRIX4FVPROC			qglUniformMatrix4fv;
extern PFNGLVALIDATEPROGRAMPROC				qglValidateProgram;
extern PFNGLGETSHADERIVPROC					qglGetShaderiv;
extern PFNGLGETATTRIBLOCATIONPROC			qglGetAttribLocation;
extern PFNGLGETUNIFORMLOCATIONPROC			qglGetUniformLocation;
extern PFNGLISPROGRAMPROC					qglIsProgram;
extern PFNGLISSHADERPROC					qglIsShader;
extern PFNGLGETSHADERINFOLOGPROC			qglGetShaderInfoLog;
extern PFNGLDELETEPROGRAMPROC				qglDeleteProgram;
extern PFNGLDELETESHADERPROC				qglDeleteShader;
extern PFNGLGETPROGRAMIVPROC				qglGetProgramiv;
extern PFNGLGETPROGRAMINFOLOGPROC			qglGetProgramInfoLog;
extern PFNGLBINDATTRIBLOCATIONPROC			qglBindAttribLocation;

// arb assembly info
extern PFNGLGETPROGRAMIVARBPROC			qglGetProgramivARB;

// GL fence sync
extern PFNGLFENCESYNCPROC				qglFenceSync;
extern PFNGLCLIENTWAITSYNCPROC			qglClientWaitSync;
extern PFNGLDELETESYNCPROC				qglDeleteSync;

// profiling
extern PFNGLGENQUERIESPROC				qglGenQueries;
extern PFNGLDELETEQUERIESPROC			qglDeleteQueries;
extern PFNGLQUERYCOUNTERPROC			qglQueryCounter;
extern PFNGLGETQUERYOBJECTUI64VPROC		qglGetQueryObjectui64v;
extern PFNGLBEGINQUERYPROC				qglBeginQuery;
extern PFNGLENDQUERYPROC				qglEndQuery;
// debug groups
extern PFNGLPUSHDEBUGGROUPPROC			qglPushDebugGroup;
extern PFNGLPOPDEBUGGROUPPROC			qglPopDebugGroup;

//===========================================================================

// non-windows systems will just redefine qgl* to gl*
#if defined( __APPLE__ ) || defined( ID_GL_HARDLINK )

#include "qgl_linked.h"

#else

// windows systems use a function pointer for each call so we can do our log file intercepts
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 * qglBlendEquation )(GLenum mode);
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 * qglTexCoord2f )(GLfloat s, GLfloat t);
extern  void ( APIENTRY * qglTexCoord2fv )(const GLfloat *v);
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 * qglVertex2f )(GLfloat x, GLfloat y);
extern  void ( APIENTRY * qglVertex3f )(GLfloat x, GLfloat y, GLfloat z);
extern  void ( APIENTRY * qglVertex3fv )(const GLfloat *v);
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 * 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);

#endif	// _WIN32

#if defined( __linux__ )

//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 (*qglXSwapBuffers)( Display *dpy, GLXDrawable drawable );
extern GLExtension_t (*qglXGetProcAddressARB)( const GLubyte *procname );

// make sure the code is correctly using qgl everywhere
// don't enable that when building glimp itself obviously..
#if !defined( GLIMP )
	#include "../sys/linux/qgl_enforce.h"
#endif

#endif // __linux__

#endif	// hardlinlk vs dlopen

#endif
