1/**************************************************************************
2 *
3 * Copyright 2013 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 THE COPYRIGHT HOLDER(S) OR AUTHOR(S) 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/*
29 * Authors:
30 *      Christian König <christian.koenig@amd.com>
31 *
32 */
33
34#ifndef RADEON_VIDEO_H
35#define RADEON_VIDEO_H
36
37#include "radeon/radeon_winsys.h"
38#include "vl/vl_video_buffer.h"
39
40#define RVID_ERR(fmt, args...) \
41	fprintf(stderr, "EE %s:%d %s UVD - "fmt, __FILE__, __LINE__, __func__, ##args)
42
43/* video buffer representation */
44struct rvid_buffer
45{
46	unsigned		usage;
47	struct r600_resource	*res;
48};
49
50/* generate an stream handle */
51unsigned rvid_alloc_stream_handle(void);
52
53/* create a buffer in the winsys */
54bool rvid_create_buffer(struct pipe_screen *screen, struct rvid_buffer *buffer,
55			unsigned size, unsigned usage);
56
57/* destroy a buffer */
58void rvid_destroy_buffer(struct rvid_buffer *buffer);
59
60/* reallocate a buffer, preserving its content */
61bool rvid_resize_buffer(struct pipe_screen *screen, struct radeon_cmdbuf *cs,
62			struct rvid_buffer *new_buf, unsigned new_size);
63
64/* clear the buffer with zeros */
65void rvid_clear_buffer(struct pipe_context *context, struct rvid_buffer* buffer);
66
67/* join surfaces into the same buffer with identical tiling params
68   sum up their sizes and replace the backend buffers with a single bo */
69void rvid_join_surfaces(struct r600_common_context *rctx,
70                        struct pb_buffer** buffers[VL_NUM_COMPONENTS],
71                        struct radeon_surf *surfaces[VL_NUM_COMPONENTS]);
72
73/* returns supported codecs and other parameters */
74int rvid_get_video_param(struct pipe_screen *screen,
75                         enum pipe_video_profile profile,
76                         enum pipe_video_entrypoint entrypoint,
77                         enum pipe_video_cap param);
78
79/* the hardware only supports NV12 */
80bool rvid_is_format_supported(struct pipe_screen *screen,
81			      enum pipe_format format,
82			      enum pipe_video_profile profile,
83			      enum pipe_video_entrypoint entrypoint);
84
85#endif // RADEON_VIDEO_H
86