xref: /OK3568_Linux_fs/external/xserver/hw/dmx/examples/evi.c (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1 /*
2  * Copyright 2003 Red Hat Inc., Durham, North Carolina.
3  *
4  * All Rights Reserved.
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining
7  * a copy of this software and associated documentation files (the
8  * "Software"), to deal in the Software without restriction, including
9  * without limitation on the rights to use, copy, modify, merge,
10  * publish, distribute, sublicense, and/or sell copies of the Software,
11  * and to permit persons to whom the Software is furnished to do so,
12  * subject to the following conditions:
13  *
14  * The above copyright notice and this permission notice (including the
15  * next paragraph) shall be included in all copies or substantial
16  * portions of the Software.
17  *
18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
19  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
21  * NON-INFRINGEMENT.  IN NO EVENT SHALL RED HAT AND/OR THEIR SUPPLIERS
22  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
23  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
24  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
25  * SOFTWARE.
26  */
27 
28 /*
29  * Authors:
30  *   Rickard E. (Rik) Faith <faith@redhat.com>
31  *
32  */
33 
34 #include <stdio.h>
35 #include <stdlib.h>
36 #include <X11/Xlib.h>
37 #include <X11/extensions/XEVI.h>
38 
39 int
main(int argc,char ** argv)40 main(int argc, char **argv)
41 {
42     Display *display = NULL;
43     int major_version, minor_version;
44     ExtendedVisualInfo *evi;
45     int count;
46     int i;
47 
48     if (argc == 2) {
49         if (!(display = XOpenDisplay(argv[1]))) {
50             printf("Cannot open display %s\n", argv[1]);
51             return -1;
52         }
53     }
54     else {
55         printf("Usage: %s display\n", argv[0]);
56         return -1;
57     }
58 
59     if (!display && !(display = XOpenDisplay(NULL))) {
60         printf("Cannot open default display\n");
61         return -1;
62     }
63 
64     if (!XeviQueryVersion(display, &major_version, &minor_version)) {
65         printf("EVI extension not present\n");
66         return -1;
67     }
68     printf("EVI Extension version: %d.%d\n", major_version, minor_version);
69 
70     XeviGetVisualInfo(display, NULL, 0, &evi, &count);
71 
72     for (i = 0; i < count; i++) {
73         printf("%02d vid=0x%02lx screen=%d level=%d type=%u value=%u"
74                " min=%u max=%u conflicts=%u\n",
75                i,
76                (long unsigned) evi[i].core_visual_id,
77                evi[i].screen,
78                evi[i].level,
79                evi[i].transparency_type,
80                evi[i].transparency_value,
81                evi[i].min_hw_colormaps,
82                evi[i].max_hw_colormaps, evi[i].num_colormap_conflicts);
83     }
84 
85     XCloseDisplay(display);
86     return 0;
87 }
88