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 <X11/Xlib.h>
27 #include "egl_common.h"
28
29 /**
30 * Do whatever it takes to get us an EGL display for the system.
31 *
32 * This needs to be ported to other window systems.
33 */
34 EGLDisplay *
get_egl_display_or_skip(void)35 get_egl_display_or_skip(void)
36 {
37 Display *dpy = XOpenDisplay(NULL);
38 EGLint major, minor;
39 EGLDisplay *edpy;
40 bool ok;
41
42 if (!dpy)
43 errx(77, "couldn't open display\n");
44
45 edpy = eglGetDisplay(dpy);
46 if (!edpy)
47 errx(1, "Couldn't get EGL display for X11 Display.\n");
48
49 ok = eglInitialize(edpy, &major, &minor);
50 if (!ok)
51 errx(1, "eglInitialize() failed\n");
52
53 return edpy;
54 }
55