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