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 "state_tracker/drm_driver.h"
33
34#include "util/u_memory.h"
35#include "vl/vl_winsys.h"
36
37static void
38vl_drm_screen_destroy(struct vl_screen *vscreen);
39
40struct vl_screen *
41vl_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
63release_pipe:
64   if (vscreen->dev)
65      pipe_loader_release(&vscreen->dev, 1);
66
67   FREE(vscreen);
68   return NULL;
69}
70
71static void
72vl_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