OOOpenGLOnly.h

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/*
 
OOOpenGL.h
 
Do whatever is appropriate to get gl.h, glu.h and glext.h included.
 
 
Oolite
Copyright (C) 2004-2013 Giles C Williams and contributors
 
This program 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 2
of the License, or (at your option) any later version.
 
This program 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 this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
MA 02110-1301, USA.
 
*/
 
#ifndef OOLITE_SDL
#if (!OOLITE_MAC_OS_X && GNUSTEP)
#define OOLITE_SDL  1
#endif
#endif
 
#if OOLITE_MAC_OS_X
 
// Apple OpenGL includes...
#include <OpenGL/OpenGL.h>
#include <OpenGL/gl.h>
#include <OpenGL/glu.h>
#include <OpenGL/glext.h>
 
#elif OOLITE_SDL
 
// SDL OpenGL includes...
 
// prevent the including of SDL_opengl.h loading a previous version of glext.h
#define NO_SDL_GLEXT
 
// GL_GLEXT_PROTOTYPES must be defined for the Linux build to use shaders.
#if OOLITE_LINUX
#ifndef GL_GLEXT_PROTOTYPES
#define GL_GLEXT_PROTOTYPES
#define __DEFINED_GL_GLEXT_PROTOTYPES
#endif  // GL_GLEXT_PROTOTYPES
#endif  // OOLITE_LINUX && !OOLITE_WINDOWS
 
// the standard SDL_opengl.h
#include <SDL_opengl.h>
 
// include an up-to-date version of glext.h
#include <GL/glext.h>
 
#ifdef __DEFINED_GL_GLEXT_PROTOTYPES
#undef GL_GLEXT_PROTOTYPES
#undef __DEFINED_GL_GLEXT_PROTOTYPES
#endif
 
#else   // Not OS X or SDL
 
#error OOOpenGL.h: unknown target!
 
#endif