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libepoxy/include/epoxy/gl.h

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/*
* Copyright © 2013 Intel Corporation
*
* 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 (including the next
* paragraph) 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.
*/
/** @file gl.h
*
* Provides an implementation of a GL dispatch layer using a hidden
* vtable.
*
* This is a lower performance path than ifuncs when they are
* available, but it is required if you might have multiple return
* values for GetProcAddress/dlsym()ed functions. That is the case if
* you're using WGL (which can return different function pointers per
* context), or if you dlclose() and re-dlopen() libGL (which means
* you'll get different dynamically allocated dispatch stubs).
*/
#ifndef __EPOXY_GL_H
#define __EPOXY_GL_H
#if defined(__gl_h_) || defined(__glext_h_)
#error epoxy/gl.h must be included before (or in place of) GL/gl.h
#else
#define __gl_h_
#define __glext_h_
#endif
#include "epoxy/gl_common.h"
#include "epoxy/gl_generated.h"
#include "epoxy/gl_generated_vtable_defines.h"
#endif /* __EPOXY_GL_H */