gl.h revision e52adb7b 
1/*
2 * Copyright © 2013 Intel Corporation
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21 * IN THE SOFTWARE.
22 */
23
24/** @file gl.h
25 *
26 * Provides an implementation of a GL dispatch layer using either
27 * global function pointers or a hidden vtable.
28 */
29
30#ifndef EPOXY_GL_H
31#define EPOXY_GL_H
32
33#ifdef __cplusplus
34extern "C" {
35#endif
36
37#include <stdbool.h>
38
39#if defined(__gl_h_) || defined(__glext_h_)
40#error epoxy/gl.h must be included before (or in place of) GL/gl.h
41#else
42#define __gl_h_
43#define __glext_h_
44#endif
45
46#define KHRONOS_SUPPORT_INT64   1
47#define KHRONOS_SUPPORT_FLOAT   1
48#define KHRONOS_APIATTRIBUTES
49
50#ifndef _WIN32
51/* APIENTRY and GLAPIENTRY are not used on Linux or Mac. */
52#define APIENTRY
53#define GLAPIENTRY
54#define EPOXY_IMPORTEXPORT
55#define EPOXY_CALLSPEC
56#define GLAPI
57#define KHRONOS_APIENTRY
58#define KHRONOS_APICALL
59
60#else
61#ifndef APIENTRY
62#define APIENTRY __stdcall
63#endif
64
65#ifndef GLAPIENTRY
66#define GLAPIENTRY APIENTRY
67#endif
68
69#ifndef EPOXY_CALLSPEC
70#define EPOXY_CALLSPEC __stdcall
71#endif
72
73#ifndef EPOXY_IMPORTEXPORT
74#define EPOXY_IMPORTEXPORT __declspec(dllimport)
75#endif
76
77#ifndef GLAPI
78#define GLAPI extern
79#endif
80
81#define KHRONOS_APIENTRY __stdcall
82#define KHRONOS_APICALL __declspec(dllimport) __stdcall
83
84#endif /* _WIN32 */
85
86#ifndef APIENTRYP
87#define APIENTRYP APIENTRY *
88#endif
89
90#ifndef GLAPIENTRYP
91#define GLAPIENTRYP GLAPIENTRY *
92#endif
93
94#include "epoxy/gl_generated.h"
95
96EPOXY_IMPORTEXPORT bool epoxy_has_gl_extension(const char *extension);
97EPOXY_IMPORTEXPORT bool epoxy_is_desktop_gl(void);
98EPOXY_IMPORTEXPORT int epoxy_gl_version(void);
99
100#ifdef __cplusplus
101} /* extern "C" */
102#endif
103
104#endif /* EPOXY_GL_H */
105