egl_common.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 <err.h>
25#include <epoxy/egl.h>
26#include "egl_common.h"
27
28/**
29 * Do whatever it takes to get us an EGL display for the system.
30 *
31 * This needs to be ported to other window systems.
32 */
33EGLDisplay *
34get_egl_display_or_skip(void)
35{
36    Display *dpy = XOpenDisplay(NULL);
37    EGLint major, minor;
38    EGLDisplay *edpy;
39    bool ok;
40
41    if (!dpy)
42        errx(77, "couldn't open display\n");
43
44    edpy = eglGetDisplay(dpy);
45    if (!edpy)
46        errx(1, "Couldn't get EGL display for X11 Display.\n");
47
48    ok = eglInitialize(edpy, &major, &minor);
49    if (!ok)
50        errx(1, "eglInitialize() failed\n");
51
52    return edpy;
53}
54