1 /**************************************************************************
3 * Copyright 2011 Christian König.
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:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
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 TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS 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.
26 **************************************************************************/
28 #ifndef vl_video_buffer_h
29 #define vl_video_buffer_h
31 #include "pipe/p_context.h"
32 #include "pipe/p_video_decoder.h"
34 #include "vl_defines.h"
37 * implementation of a planar ycbcr buffer
40 /* planar buffer for vl data upload and manipulation */
41 struct vl_video_buffer
43 struct pipe_video_buffer base
;
45 struct pipe_resource
*resources
[VL_NUM_COMPONENTS
];
46 struct pipe_sampler_view
*sampler_view_planes
[VL_NUM_COMPONENTS
];
47 struct pipe_sampler_view
*sampler_view_components
[VL_NUM_COMPONENTS
];
48 struct pipe_surface
*surfaces
[VL_MAX_SURFACES
];
52 * get subformats for each plane
54 const enum pipe_format
*
55 vl_video_buffer_formats(struct pipe_screen
*screen
, enum pipe_format format
);
61 vl_video_buffer_plane_order(enum pipe_format format
);
64 * get maximum size of video buffers
67 vl_video_buffer_max_size(struct pipe_screen
*screen
);
70 * check if video buffer format is supported for a codec/profile
71 * can be used as default implementation of screen->is_video_format_supported
74 vl_video_buffer_is_format_supported(struct pipe_screen
*screen
,
75 enum pipe_format format
,
76 enum pipe_video_profile profile
);
79 * set the associated data for the given video buffer
82 vl_video_buffer_set_associated_data(struct pipe_video_buffer
*vbuf
,
83 struct pipe_video_decoder
*vdec
,
84 void *associated_data
,
85 void (*destroy_associated_data
)(void *));
88 * get the associated data for the given video buffer
91 vl_video_buffer_get_associated_data(struct pipe_video_buffer
*vbuf
,
92 struct pipe_video_decoder
*vdec
);
95 * fill a resource template for the given plane
98 vl_vide_buffer_template(struct pipe_resource
*templ
,
99 const struct pipe_video_buffer
*templat
,
100 enum pipe_format resource_format
,
101 unsigned depth
, unsigned usage
, unsigned plane
);
104 * creates a video buffer, can be used as a standard implementation for pipe->create_video_buffer
106 struct pipe_video_buffer
*
107 vl_video_buffer_create(struct pipe_context
*pipe
,
108 const struct pipe_video_buffer
*templat
);
111 * extended create function, gets depth, usage and formats for each plane seperately
113 struct pipe_video_buffer
*
114 vl_video_buffer_create_ex(struct pipe_context
*pipe
,
115 const struct pipe_video_buffer
*templat
,
116 const enum pipe_format resource_formats
[VL_NUM_COMPONENTS
],
117 unsigned depth
, unsigned usage
);
120 * even more extended create function, provide the pipe_resource for each plane
122 struct pipe_video_buffer
*
123 vl_video_buffer_create_ex2(struct pipe_context
*pipe
,
124 const struct pipe_video_buffer
*templat
,
125 struct pipe_resource
*resources
[VL_NUM_COMPONENTS
]);
127 #endif /* vl_video_buffer_h */