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// BEGIN_COPYRIGHT
//
// Copyright (C) 1999 Allen Akin All Rights Reserved.
//
// 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 ALLEN AKIN 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.
//
// END_COPYRIGHT
// Microsoft's version of gl.h invokes macros that are defined in
// windows.h. To avoid a conditional #include <windows.h> in
// every file, we wrap gl.h with the proper conditions here, and
// have our source files #include "glwrap.h" instead.
// As a bonus we ensure that all declarations for GLU are included,
// and on X11-based systems, we cover X11 and GLX as well. This
// should cover nearly everything needed by a typical glean test.
// It's unfortunate that both Windows and Xlib are so casual about
// polluting the global namespace. The problem isn't easily resolved,
// even with the use of C++ namespace directives, because (a) macros
// in the include files refer to unqualified global variables, and (b)
// preprocessor macros themselves aren't affected by namespaces.
#ifndef __glwrap_h__
#define __glwrap_h__
#include "../util/piglit-dispatch.h"
#if defined(__WIN__)
# include <windows.h>
# include <GL/glu.h>
#elif defined(__X11__)
# include <GL/glx.h>
// glx.h covers Xlib.h and gl.h, among others
# include <GL/glu.h>
#elif defined(__AGL__)
# include <Carbon/Carbon.h>
# include <OpenGL/glu.h>
# include <OpenGL/glext.h>
# include <AGL/agl.h>
# include <AGL/aglRenderers.h>
# if !defined(sinf)
# define sinf sin
# define cosf cos
# define sqrtf sqrt
# endif
#else
# error "Improper window system configuration; must be __WIN__ or __X11__."
#endif
typedef unsigned short GLhalfARB;
#endif // __glwrap_h__
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