-void rvid_clear_buffer(struct radeon_winsys *ws, struct radeon_winsys_cs *cs, 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 rvid_join_surfaces(struct radeon_winsys* ws, unsigned bind,
- struct pb_buffer** buffers[VL_NUM_COMPONENTS],
- struct radeon_surface *surfaces[VL_NUM_COMPONENTS]);
-
-/* returns supported codecs and other parameters */
-int rvid_get_video_param(struct pipe_screen *screen,
- enum pipe_video_profile profile,
- enum pipe_video_entrypoint entrypoint,
- enum pipe_video_cap param);
-
-/* the hardware only supports NV12 */
-boolean rvid_is_format_supported(struct pipe_screen *screen,
- enum pipe_format format,
- enum pipe_video_profile profile,
- enum pipe_video_entrypoint entrypoint);