dispatch_egl.c 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#include <assert.h>
25#include <string.h>
26#include <stdio.h>
27
28#include "dispatch_common.h"
29
30int
31epoxy_conservative_egl_version(void)
32{
33    EGLDisplay dpy = eglGetCurrentDisplay();
34
35    if (!dpy)
36        return 14;
37
38    return epoxy_egl_version(dpy);
39}
40
41PUBLIC int
42epoxy_egl_version(EGLDisplay dpy)
43{
44    int major, minor;
45    const char *version_string;
46    int ret;
47
48    version_string = eglQueryString(dpy, EGL_VERSION);
49    ret = sscanf(version_string, "%d.%d", &major, &minor);
50    assert(ret == 2);
51    return major * 10 + minor;
52}
53
54bool
55epoxy_conservative_has_egl_extension(const char *ext)
56{
57    EGLDisplay dpy = eglGetCurrentDisplay();
58
59    if (!dpy)
60        return true;
61
62    return epoxy_has_egl_extension(dpy, ext);
63}
64
65PUBLIC bool
66epoxy_has_egl_extension(EGLDisplay dpy, const char *ext)
67{
68    return epoxy_extension_in_string(eglQueryString(dpy, EGL_EXTENSIONS), ext);
69}
70