src/gallium/drivers/radeon/radeon_video.h

   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
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  24  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25  *
  26  **************************************************************************/
  27
  28 #ifndef RADEON_VIDEO_H
  29 #define RADEON_VIDEO_H
  30
  31 #include "radeon/radeon_winsys.h"
  32 #include "vl/vl_video_buffer.h"
  33
  34 #define RVID_ERR(fmt, args...) \
  35         fprintf(stderr, "EE %s:%d %s UVD - "fmt, __FILE__, __LINE__, __func__, ##args)
  36
  37 /* video buffer representation */
  38 struct rvid_buffer
  39 {
  40         unsigned                usage;
  41         struct r600_resource    *res;
  42 };
  43
  44 /* generate an stream handle */
  45 unsigned si_vid_alloc_stream_handle(void);
  46
  47 /* create a buffer in the winsys */
  48 bool si_vid_create_buffer(struct pipe_screen *screen, struct rvid_buffer *buffer,
  49                           unsigned size, unsigned usage);
  50
  51 /* destroy a buffer */
  52 void si_vid_destroy_buffer(struct rvid_buffer *buffer);
  53
  54 /* reallocate a buffer, preserving its content */
  55 bool si_vid_resize_buffer(struct pipe_screen *screen, struct radeon_winsys_cs *cs,
  56                           struct rvid_buffer *new_buf, unsigned new_size);
  57
  58 /* clear the buffer with zeros */
  59 void si_vid_clear_buffer(struct pipe_context *context, struct rvid_buffer* buffer);
  60
  61 /* join surfaces into the same buffer with identical tiling params
  62    sumup their sizes and replace the backend buffers with a single bo */
  63 void si_vid_join_surfaces(struct r600_common_context *rctx,
  64                           struct pb_buffer** buffers[VL_NUM_COMPONENTS],
  65                           struct radeon_surf *surfaces[VL_NUM_COMPONENTS]);
  66
  67 /* returns supported codecs and other parameters */
  68 int si_vid_get_video_param(struct pipe_screen *screen,
  69                            enum pipe_video_profile profile,
  70                            enum pipe_video_entrypoint entrypoint,
  71                            enum pipe_video_cap param);
  72
  73 /* the hardware only supports NV12 */
  74 boolean si_vid_is_format_supported(struct pipe_screen *screen,
  75                                    enum pipe_format format,
  76                                    enum pipe_video_profile profile,
  77                                    enum pipe_video_entrypoint entrypoint);
  78
  79 #endif // RADEON_VIDEO_H