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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 either
* global function pointers or a hidden vtable.
*
* You should include `<epoxy/gl.h>` instead of `<GL/gl.h>` and `<GL/glext.h>`.
*/
#ifndef EPOXY_GL_H
#define EPOXY_GL_H
#include "epoxy/common.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
#define KHRONOS_SUPPORT_INT64 1
#define KHRONOS_SUPPORT_FLOAT 1
#define KHRONOS_APIATTRIBUTES
#ifndef _WIN32
/* APIENTRY and GLAPIENTRY are not used on Linux or Mac. */
#define APIENTRY
#define GLAPIENTRY
#define EPOXY_CALLSPEC
#define GLAPI
#define KHRONOS_APIENTRY
#define KHRONOS_APICALL
#else
#ifndef APIENTRY
#define APIENTRY __stdcall
#endif
#ifndef GLAPIENTRY
#define GLAPIENTRY APIENTRY
#endif
#ifndef EPOXY_CALLSPEC
#define EPOXY_CALLSPEC __stdcall
#endif
#ifndef GLAPI
#define GLAPI extern
#endif
#define KHRONOS_APIENTRY __stdcall
#define KHRONOS_APICALL __declspec(dllimport) __stdcall
#endif /* _WIN32 */
#ifndef APIENTRYP
#define APIENTRYP APIENTRY *
#endif
#ifndef GLAPIENTRYP
#define GLAPIENTRYP GLAPIENTRY *
#endif
EPOXY_BEGIN_DECLS
#include "epoxy/gl_generated.h"
EPOXY_PUBLIC bool epoxy_has_gl_extension(const char *extension);
EPOXY_PUBLIC bool epoxy_is_desktop_gl(void);
EPOXY_PUBLIC int epoxy_gl_version(void);
EPOXY_PUBLIC int epoxy_glsl_version(void);
/*
* the type of the stub function that the failure handler must return;
* this function will be called on subsequent calls to the same bogus
* function name
*/
typedef void (*epoxy_resolver_stub_t)(void);
/* the type of the failure handler itself */
typedef epoxy_resolver_stub_t
(*epoxy_resolver_failure_handler_t)(const char *name);
EPOXY_PUBLIC epoxy_resolver_failure_handler_t
epoxy_set_resolver_failure_handler(epoxy_resolver_failure_handler_t handler);
EPOXY_END_DECLS
#endif /* EPOXY_GL_H */
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