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/*
===========================================================================
Doom 3 GPL Source Code
Copyright (C) 1999-2011 id Software LLC, a ZeniMax Media company.
This file is part of the Doom 3 GPL Source Code ("Doom 3 Source Code").
Doom 3 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.
Doom 3 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 Doom 3 Source Code. If not, see <http://www.gnu.org/licenses/>.
In addition, the Doom 3 Source Code is also subject to certain additional terms. You should have received a copy of these additional terms immediately following the terms and conditions of the GNU General Public License which accompanied the Doom 3 Source Code. If not, please request a copy in writing from id Software at the address below.
If you have questions concerning this license or the applicable additional terms, you may contact in writing id Software LLC, c/o ZeniMax Media Inc., Suite 120, Rockville, Maryland 20850 USA.
===========================================================================
*/
/*
** QGL.H
*/
#ifndef __QGL_H__
#define __QGL_H__
#if defined( ID_DEDICATED ) && defined( _WIN32 )
// to allow stubbing gl on windows, define WINGDIAPI to nothing - it would otherwise be
// extended to __declspec(dllimport) on MSVC (our stub is no dll.)
#ifdef WINGDIAPI
#pragma push_macro("WINGDIAPI")
#undef WINGDIAPI
#define WINGDIAPI
#endif
#endif
#include <SDL_opengl.h>
#if defined( ID_DEDICATED ) && defined( _WIN32 )
// restore WINGDIAPI
#ifdef WINGDIAPI
#pragma pop_macro("WINGDIAPI")
#endif
#endif
typedef void (*GLExtension_t)(void);
#ifdef __cplusplus
extern "C" {
#endif
GLExtension_t GLimp_ExtensionPointer( const char *name );
#ifdef __cplusplus
}
#endif
// declare qgl functions
#define QGLPROC(name, rettype, args) extern rettype (APIENTRYP q##name) args;
#include "renderer/qgl_proc.h"
// multitexture
extern void ( APIENTRY * qglMultiTexCoord2fARB )( GLenum texture, GLfloat s, GLfloat t );
extern void ( APIENTRY * qglMultiTexCoord2fvARB )( GLenum texture, GLfloat *st );
extern void ( APIENTRY * qglActiveTextureARB )( GLenum texture );
extern void ( APIENTRY * qglClientActiveTextureARB )( GLenum texture );
// ARB_vertex_buffer_object
extern PFNGLBINDBUFFERARBPROC qglBindBufferARB;
extern PFNGLDELETEBUFFERSARBPROC qglDeleteBuffersARB;
extern PFNGLGENBUFFERSARBPROC qglGenBuffersARB;
extern PFNGLISBUFFERARBPROC qglIsBufferARB;
extern PFNGLBUFFERDATAARBPROC qglBufferDataARB;
extern PFNGLBUFFERSUBDATAARBPROC qglBufferSubDataARB;
extern PFNGLGETBUFFERSUBDATAARBPROC qglGetBufferSubDataARB;
extern PFNGLMAPBUFFERARBPROC qglMapBufferARB;
extern PFNGLUNMAPBUFFERARBPROC qglUnmapBufferARB;
extern PFNGLGETBUFFERPARAMETERIVARBPROC qglGetBufferParameterivARB;
extern PFNGLGETBUFFERPOINTERVARBPROC qglGetBufferPointervARB;
// 3D textures
extern void ( APIENTRY *qglTexImage3D)(GLenum, GLint, GLint, GLsizei, GLsizei, GLsizei, GLint, GLenum, GLenum, const GLvoid *);
// shared texture palette
extern void ( APIENTRY *qglColorTableEXT)( int, int, int, int, int, const void * );
// EXT_stencil_two_side
extern PFNGLACTIVESTENCILFACEEXTPROC qglActiveStencilFaceEXT;
// DG: couldn't find any extension for this, it's supported in GL2.0 and newer, incl OpenGL ES2.0
extern PFNGLSTENCILOPSEPARATEPROC qglStencilOpSeparate;
// ARB_texture_compression
extern PFNGLCOMPRESSEDTEXIMAGE2DARBPROC qglCompressedTexImage2DARB;
extern PFNGLGETCOMPRESSEDTEXIMAGEARBPROC qglGetCompressedTexImageARB;
// ARB_vertex_program / ARB_fragment_program
extern PFNGLVERTEXATTRIBPOINTERARBPROC qglVertexAttribPointerARB;
extern PFNGLENABLEVERTEXATTRIBARRAYARBPROC qglEnableVertexAttribArrayARB;
extern PFNGLDISABLEVERTEXATTRIBARRAYARBPROC qglDisableVertexAttribArrayARB;
extern PFNGLPROGRAMSTRINGARBPROC qglProgramStringARB;
extern PFNGLBINDPROGRAMARBPROC qglBindProgramARB;
extern PFNGLGENPROGRAMSARBPROC qglGenProgramsARB;
extern PFNGLPROGRAMENVPARAMETER4FVARBPROC qglProgramEnvParameter4fvARB;
extern PFNGLPROGRAMLOCALPARAMETER4FVARBPROC qglProgramLocalParameter4fvARB;
// GL_EXT_depth_bounds_test
extern PFNGLDEPTHBOUNDSEXTPROC qglDepthBoundsEXT;
#if defined( _WIN32 ) && defined(ID_ALLOW_TOOLS)
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 && ID_ALLOW_TOOLS
#endif
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