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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 */
44 struct rvid_buffer
45 {
46 	unsigned		usage;
47 	struct r600_resource	*res;
48 };
49 
50 /* generate an stream handle */
51 unsigned rvid_alloc_stream_handle(void);
52 
53 /* create a buffer in the winsys */
54 bool rvid_create_buffer(struct pipe_screen *screen, struct rvid_buffer *buffer,
55 			unsigned size, unsigned usage);
56 
57 /* destroy a buffer */
58 void rvid_destroy_buffer(struct rvid_buffer *buffer);
59 
60 /* reallocate a buffer, preserving its content */
61 bool rvid_resize_buffer(struct pipe_screen *screen, struct radeon_winsys_cs *cs,
62 			struct rvid_buffer *new_buf, unsigned new_size);
63 
64 /* clear the buffer with zeros */
65 void rvid_clear_buffer(struct pipe_context *context, struct rvid_buffer* buffer);
66 
67 /* join surfaces into the same buffer with identical tiling params
68    sumup their sizes and replace the backend buffers with a single bo */
69 void rvid_join_surfaces(struct radeon_winsys* ws,
70                         struct pb_buffer** buffers[VL_NUM_COMPONENTS],
71                         struct radeon_surf *surfaces[VL_NUM_COMPONENTS]);
72 
73 /* returns supported codecs and other parameters */
74 int 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 */
80 boolean 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