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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  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 #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 #define UVD_FW_1_66_16 ((1 << 24) | (66 << 16) | (16 << 8))
  38
  39 /* video buffer representation */
  40 struct rvid_buffer {
  41    unsigned usage;
  42    struct si_resource *res;
  43 };
  44
  45 /* generate an stream handle */
  46 unsigned si_vid_alloc_stream_handle(void);
  47
  48 /* create a buffer in the winsys */
  49 bool si_vid_create_buffer(struct pipe_screen *screen, struct rvid_buffer *buffer, unsigned size,
  50                           unsigned usage);
  51
  52 /* destroy a buffer */
  53 void si_vid_destroy_buffer(struct rvid_buffer *buffer);
  54
  55 /* reallocate a buffer, preserving its content */
  56 bool si_vid_resize_buffer(struct pipe_screen *screen, struct radeon_cmdbuf *cs,
  57                           struct rvid_buffer *new_buf, unsigned new_size);
  58
  59 /* clear the buffer with zeros */
  60 void si_vid_clear_buffer(struct pipe_context *context, struct rvid_buffer *buffer);
  61
  62 #endif // RADEON_VIDEO_H