mirror of
https://github.com/dhewm/dhewm3.git
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155 lines
6 KiB
C
155 lines
6 KiB
C
/*
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===========================================================================
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Doom 3 GPL Source Code
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Copyright (C) 1999-2011 id Software LLC, a ZeniMax Media company.
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This file is part of the Doom 3 GPL Source Code ("Doom 3 Source Code").
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Doom 3 Source Code is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Doom 3 Source Code is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Doom 3 Source Code. If not, see <http://www.gnu.org/licenses/>.
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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.
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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.
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===========================================================================
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*/
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/*
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** QGL.H
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*/
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#ifndef __QGL_H__
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#define __QGL_H__
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#if defined( ID_DEDICATED ) && defined( _WIN32 )
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// to allow stubbing gl on windows, define WINGDIAPI to nothing - it would otherwise be
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// extended to __declspec(dllimport) on MSVC (our stub is no dll.)
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#ifdef WINGDIAPI
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#pragma push_macro("WINGDIAPI")
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#undef WINGDIAPI
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#define WINGDIAPI
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#endif
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#endif
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#include <SDL_opengl.h>
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#if defined( ID_DEDICATED ) && defined( _WIN32 )
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// restore WINGDIAPI
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#ifdef WINGDIAPI
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#pragma pop_macro("WINGDIAPI")
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#endif
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#endif
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typedef void (*GLExtension_t)(void);
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#ifdef __cplusplus
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extern "C" {
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#endif
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GLExtension_t GLimp_ExtensionPointer( const char *name );
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#ifdef __cplusplus
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}
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#endif
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// declare qgl functions
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#define QGLPROC(name, rettype, args) extern rettype (APIENTRYP q##name) args;
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#include "renderer/qgl_proc.h"
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// multitexture
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extern void ( APIENTRY * qglMultiTexCoord2fARB )( GLenum texture, GLfloat s, GLfloat t );
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extern void ( APIENTRY * qglMultiTexCoord2fvARB )( GLenum texture, GLfloat *st );
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extern void ( APIENTRY * qglActiveTextureARB )( GLenum texture );
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extern void ( APIENTRY * qglClientActiveTextureARB )( GLenum texture );
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// ARB_vertex_buffer_object
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extern PFNGLBINDBUFFERARBPROC qglBindBufferARB;
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extern PFNGLDELETEBUFFERSARBPROC qglDeleteBuffersARB;
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extern PFNGLGENBUFFERSARBPROC qglGenBuffersARB;
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extern PFNGLISBUFFERARBPROC qglIsBufferARB;
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extern PFNGLBUFFERDATAARBPROC qglBufferDataARB;
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extern PFNGLBUFFERSUBDATAARBPROC qglBufferSubDataARB;
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extern PFNGLGETBUFFERSUBDATAARBPROC qglGetBufferSubDataARB;
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extern PFNGLMAPBUFFERARBPROC qglMapBufferARB;
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extern PFNGLUNMAPBUFFERARBPROC qglUnmapBufferARB;
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extern PFNGLGETBUFFERPARAMETERIVARBPROC qglGetBufferParameterivARB;
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extern PFNGLGETBUFFERPOINTERVARBPROC qglGetBufferPointervARB;
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// 3D textures
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extern void ( APIENTRY *qglTexImage3D)(GLenum, GLint, GLint, GLsizei, GLsizei, GLsizei, GLint, GLenum, GLenum, const GLvoid *);
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// shared texture palette
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extern void ( APIENTRY *qglColorTableEXT)( int, int, int, int, int, const void * );
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// EXT_stencil_two_side
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extern PFNGLACTIVESTENCILFACEEXTPROC qglActiveStencilFaceEXT;
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// DG: couldn't find any extension for this, it's supported in GL2.0 and newer, incl OpenGL ES2.0
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// SE: work around missing function definition on legacy Mac OS X versions
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#if defined(OSX_TIGER) || defined(OSX_LEOPARD)
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typedef void (APIENTRYP PFNGLSTENCILOPSEPARATEPROC) (GLenum face, GLenum sfail, GLenum dpfail, GLenum dppass);
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#endif
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extern PFNGLSTENCILOPSEPARATEPROC qglStencilOpSeparate;
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// ARB_texture_compression
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extern PFNGLCOMPRESSEDTEXIMAGE2DARBPROC qglCompressedTexImage2DARB;
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extern PFNGLGETCOMPRESSEDTEXIMAGEARBPROC qglGetCompressedTexImageARB;
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// ARB_vertex_program / ARB_fragment_program
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extern PFNGLVERTEXATTRIBPOINTERARBPROC qglVertexAttribPointerARB;
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extern PFNGLENABLEVERTEXATTRIBARRAYARBPROC qglEnableVertexAttribArrayARB;
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extern PFNGLDISABLEVERTEXATTRIBARRAYARBPROC qglDisableVertexAttribArrayARB;
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extern PFNGLPROGRAMSTRINGARBPROC qglProgramStringARB;
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extern PFNGLBINDPROGRAMARBPROC qglBindProgramARB;
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extern PFNGLGENPROGRAMSARBPROC qglGenProgramsARB;
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extern PFNGLPROGRAMENVPARAMETER4FVARBPROC qglProgramEnvParameter4fvARB;
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extern PFNGLPROGRAMLOCALPARAMETER4FVARBPROC qglProgramLocalParameter4fvARB;
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// GL_EXT_depth_bounds_test
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extern PFNGLDEPTHBOUNDSEXTPROC qglDepthBoundsEXT;
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// GL_ARB_debug_output
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extern PFNGLDEBUGMESSAGECALLBACKARBPROC qglDebugMessageCallbackARB;
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#if defined( _WIN32 ) && defined(ID_ALLOW_TOOLS)
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extern BOOL(WINAPI * qwglSwapBuffers)(HDC);
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extern int Win_ChoosePixelFormat(HDC hdc);
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extern BOOL(WINAPI * qwglCopyContext)(HGLRC, HGLRC, UINT);
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extern HGLRC(WINAPI * qwglCreateContext)(HDC);
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extern HGLRC(WINAPI * qwglCreateLayerContext)(HDC, int);
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extern BOOL(WINAPI * qwglDeleteContext)(HGLRC);
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extern HGLRC(WINAPI * qwglGetCurrentContext)(VOID);
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extern HDC(WINAPI * qwglGetCurrentDC)(VOID);
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extern PROC(WINAPI * qwglGetProcAddress)(LPCSTR);
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extern BOOL(WINAPI * qwglMakeCurrent)(HDC, HGLRC);
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extern BOOL(WINAPI * qwglShareLists)(HGLRC, HGLRC);
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extern BOOL(WINAPI * qwglUseFontBitmaps)(HDC, DWORD, DWORD, DWORD);
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extern BOOL(WINAPI * qwglUseFontOutlines)(HDC, DWORD, DWORD, DWORD, FLOAT,
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FLOAT, int, LPGLYPHMETRICSFLOAT);
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extern BOOL(WINAPI * qwglDescribeLayerPlane)(HDC, int, int, UINT,
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LPLAYERPLANEDESCRIPTOR);
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extern int (WINAPI * qwglSetLayerPaletteEntries)(HDC, int, int, int,
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CONST COLORREF *);
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extern int (WINAPI * qwglGetLayerPaletteEntries)(HDC, int, int, int,
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COLORREF *);
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extern BOOL(WINAPI * qwglRealizeLayerPalette)(HDC, int, BOOL);
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extern BOOL(WINAPI * qwglSwapLayerBuffers)(HDC, UINT);
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#endif // _WIN32 && ID_ALLOW_TOOLS
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#endif
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