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/* Copyright (C) 2011 Wildfire Games.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
/*
* bring in OpenGL header+library, with compatibility fixes
*/
#ifndef INCLUDED_OPENGL
#define INCLUDED_OPENGL
#include "lib/config2.h" // CONFIG2_GLES
#if OS_WIN
// wgl.h is a private header and should only be included from here.
// if this isn't defined, it'll complain.
#define WGL_HEADER_NEEDED
#include "lib/sysdep/os/win/wgl.h"
#endif
#if CONFIG2_GLES
# include <GLES2/gl2.h>
#elif OS_MACOSX || OS_MAC
# include <OpenGL/gl.h>
#else
# include <GL/gl.h>
#endif
// if gl.h provides real prototypes for 1.2 / 1.3 functions,
// exclude the corresponding function pointers in glext_funcs.h
#ifdef GL_VERSION_1_2
#define REAL_GL_1_2
#endif
#ifdef GL_VERSION_1_3
#define REAL_GL_1_3
#endif
// this must come after GL/gl.h include, so we can't combine the
// including GL/glext.h.
#undef GL_GLEXT_PROTOTYPES
#if CONFIG2_GLES
# include <GLES2/gl2ext.h>
#elif OS_MACOSX || OS_MAC
# include <OpenGL/glext.h>
#else
# include <GL/glext.h>
# if OS_WIN
# include <GL/wglext.h>
# endif
#endif
#endif // #ifndef INCLUDED_OPENGL
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