1 /**************************************************************************
2 *
3 * Copyright 2015 Advanced Micro Devices, Inc.
4 * All Rights Reserved.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * 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 portions
16 * of the Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25 *
26 **************************************************************************/
27
28 #include <assert.h>
29
30 #include "pipe/p_screen.h"
31 #include "pipe-loader/pipe_loader.h"
32 #include "frontend/drm_driver.h"
33
34 #include "util/u_memory.h"
35 #include "vl/vl_winsys.h"
36
37 static void
38 vl_drm_screen_destroy(struct vl_screen *vscreen);
39
40 struct vl_screen *
vl_drm_screen_create(int fd)41 vl_drm_screen_create(int fd)
42 {
43 struct vl_screen *vscreen;
44
45 vscreen = CALLOC_STRUCT(vl_screen);
46 if (!vscreen)
47 return NULL;
48
49 if (pipe_loader_drm_probe_fd(&vscreen->dev, fd))
50 vscreen->pscreen = pipe_loader_create_screen(vscreen->dev);
51
52 if (!vscreen->pscreen)
53 goto release_pipe;
54
55 vscreen->destroy = vl_drm_screen_destroy;
56 vscreen->texture_from_drawable = NULL;
57 vscreen->get_dirty_area = NULL;
58 vscreen->get_timestamp = NULL;
59 vscreen->set_next_timestamp = NULL;
60 vscreen->get_private = NULL;
61 return vscreen;
62
63 release_pipe:
64 if (vscreen->dev)
65 pipe_loader_release(&vscreen->dev, 1);
66
67 FREE(vscreen);
68 return NULL;
69 }
70
71 static void
vl_drm_screen_destroy(struct vl_screen * vscreen)72 vl_drm_screen_destroy(struct vl_screen *vscreen)
73 {
74 assert(vscreen);
75
76 vscreen->pscreen->destroy(vscreen->pscreen);
77 pipe_loader_release(&vscreen->dev, 1);
78 /* CHECK: The VAAPI loader/user preserves ownership of the original fd */
79 FREE(vscreen);
80 }
81