1 /*
2 * Copyright (c) 2012 Intel Corporation. All Rights Reserved.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the
6 * "Software"), to deal in the Software without restriction, including
7 * without limitation the rights to use, copy, modify, merge, publish,
8 * distribute, sub license, and/or sell copies of the Software, and to
9 * permit persons to whom the Software is furnished to do so, subject to
10 * the following conditions:
11 *
12 * The above copyright notice and this permission notice (including the
13 * next paragraph) shall be included in all copies or substantial portions
14 * of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
17 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
19 * IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
20 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
21 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
22 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
23 */
24
25 #include <stdio.h>
26 #include <unistd.h>
27 #include <fcntl.h>
28 #ifdef IN_LIBVA
29 # include "va/drm/va_drm.h"
30 #else
31 # include <va/va_drm.h>
32 #endif
33 #include "va_display.h"
34
35 static int drm_fd = -1;
36
37 static VADisplay
va_open_display_drm(void)38 va_open_display_drm(void)
39 {
40 drm_fd = open("/dev/dri/card0", O_RDWR);
41 if (drm_fd < 0) {
42 fprintf(stderr, "error: can't open DRM connection!\n");
43 return NULL;
44 }
45 return vaGetDisplayDRM(drm_fd);
46 }
47
48 static void
va_close_display_drm(VADisplay va_dpy)49 va_close_display_drm(VADisplay va_dpy)
50 {
51 if (drm_fd < 0)
52 return;
53
54 close(drm_fd);
55 drm_fd = -1;
56 }
57
58
59 static VAStatus
va_put_surface_drm(VADisplay va_dpy,VASurfaceID surface,const VARectangle * src_rect,const VARectangle * dst_rect)60 va_put_surface_drm(
61 VADisplay va_dpy,
62 VASurfaceID surface,
63 const VARectangle *src_rect,
64 const VARectangle *dst_rect
65 )
66 {
67 return VA_STATUS_ERROR_OPERATION_FAILED;
68 }
69
70 const VADisplayHooks va_display_hooks_drm = {
71 "drm",
72 va_open_display_drm,
73 va_close_display_drm,
74 va_put_surface_drm,
75 };
76