egl_has_extension_nocontext.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/**
25 * @file egl_has_extension_nocontext.c
26 *
27 * Catches a bug in early development where eglGetProcAddress() with
28 * no context bound would fail out in dispatch.
29 */
30
31#include <stdio.h>
32#include <string.h>
33#include <stdlib.h>
34#include <assert.h>
35#include <err.h>
36#include "epoxy/gl.h"
37#include "epoxy/egl.h"
38
39#include "egl_common.h"
40
41int
42main(int argc, char **argv)
43{
44    bool pass = true;
45
46    EGLDisplay *dpy = get_egl_display_or_skip();
47    const char *extensions = eglQueryString(dpy, EGL_EXTENSIONS);
48    char *first_space;
49    char *an_extension;
50
51    /* We don't have any extensions guaranteed by the ABI, so for the
52     * touch test we just check if the first one is reported to be there.
53     */
54    first_space = strstr(extensions, " ");
55    if (first_space) {
56        an_extension = strndup(extensions, first_space - extensions);
57    } else {
58        an_extension = strdup(extensions);
59    }
60
61    if (!epoxy_has_egl_extension(dpy, an_extension))
62        errx(1, "Implementation reported absence of %s", an_extension);
63
64    free(an_extension);
65
66    if (epoxy_has_egl_extension(dpy, "GLX_ARB_ham_sandwich"))
67        errx(1, "Implementation reported presence of GLX_ARB_ham_sandwich");
68
69    return pass != true;
70}
71