text: /**************************************************************************
   *
   * Copyright 2013 Advanced Micro Devices, Inc.
   * All Rights Reserved.
   *
   * Permission is hereby granted, free of charge, to any person obtaining a
   * copy of this software and associated documentation files (the
   * "Software"), to deal in the Software without restriction, including
   * without limitation the rights to use, copy, modify, merge, publish,
   * distribute, sub license, and/or sell copies of the Software, and to
   * permit persons to whom the Software is furnished to do so, subject to
   * the following conditions:
   *
   * The above copyright notice and this permission notice (including the
   * next paragraph) shall be included in all copies or substantial portions
   * of the Software.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
   * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
   * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
   * IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR
   * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
   * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
   * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
   *
   **************************************************************************/
  
  #ifndef RADEON_VIDEO_H
  #define RADEON_VIDEO_H
  
  #include "radeon/radeon_winsys.h"
  #include "vl/vl_video_buffer.h"
  
  #define RVID_ERR(fmt, args...) \
  	fprintf(stderr, "EE %s:%d %s UVD - "fmt, __FILE__, __LINE__, __func__, ##args)
  
  #define UVD_FW_1_66_16 ((1 << 24) | (66 << 16) | (16 << 8))
  
  /* video buffer representation */
  struct rvid_buffer
  {
  	unsigned		usage;
  	struct si_resource	*res;
  };
  
  /* generate an stream handle */
  unsigned si_vid_alloc_stream_handle(void);
  
  /* create a buffer in the winsys */
  bool si_vid_create_buffer(struct pipe_screen *screen, struct rvid_buffer *buffer,
  			  unsigned size, unsigned usage);
  
  /* destroy a buffer */
  void si_vid_destroy_buffer(struct rvid_buffer *buffer);
  
  /* reallocate a buffer, preserving its content */
  bool si_vid_resize_buffer(struct pipe_screen *screen, struct radeon_cmdbuf *cs,
  			  struct rvid_buffer *new_buf, unsigned new_size);
  
  /* clear the buffer with zeros */
  void si_vid_clear_buffer(struct pipe_context *context, struct rvid_buffer* buffer);
  
  /* join surfaces into the same buffer with identical tiling params
     sumup their sizes and replace the backend buffers with a single bo */
  void si_vid_join_surfaces(struct si_context *sctx,
  			  struct pb_buffer** buffers[VL_NUM_COMPONENTS],
  			  struct radeon_surf *surfaces[VL_NUM_COMPONENTS]);
  
  #endif // RADEON_VIDEO_H
  