forked from 0ad/0ad
janwas
0720025073
reduce dependency on PCH. move KiB constants to alignment, ARRAY_SIZE to code_annotation.h. move glext_funcs.h to external_libraries/glext_funcs.h, move part of ogl.h to external_libraries/opengl.h remove unused saturating arithmetic functions This was SVN commit r9363.
67 lines
2.1 KiB
C
67 lines
2.1 KiB
C
/* Copyright (c) 2011 Wildfire Games
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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/*
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* bring in OpenGL header+library, with compatibility fixes
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*/
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#ifndef INCLUDED_OPENGL
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#define INCLUDED_OPENGL
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#if OS_WIN
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// wgl.h is a private header and should only be included from here.
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// if this isn't defined, it'll complain.
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#define WGL_HEADER_NEEDED
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#include "lib/sysdep/os/win/wgl.h"
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#endif
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#if OS_MACOSX || OS_MAC
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# include <OpenGL/gl.h>
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#else
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# include <GL/gl.h>
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#endif
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// if gl.h provides real prototypes for 1.2 / 1.3 functions,
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// exclude the corresponding function pointers in glext_funcs.h
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#ifdef GL_VERSION_1_2
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#define REAL_GL_1_2
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#endif
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#ifdef GL_VERSION_1_3
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#define REAL_GL_1_3
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#endif
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// this must come after GL/gl.h include, so we can't combine the
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// including GL/glext.h.
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#undef GL_GLEXT_PROTOTYPES
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#if OS_MACOSX || OS_MAC
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# include <OpenGL/glext.h>
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#else
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# include <GL/glext.h>
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# if OS_WIN
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# include <GL/wglext.h>
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# define GL_TEXTURE_IMAGE_SIZE_ARB 0x86A0
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# endif
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#endif
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#endif // #ifndef INCLUDED_OPENGL
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