1 /**************************************************************************
2  *
3  * Copyright 2013 Grigori Goronzy <greg@chown.ath.cx>
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 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.
25  *
26  **************************************************************************/
27 
28 /* motion adaptive deinterlacer implementation */
29 
30 #ifndef vl_deint_filter_h
31 #define vl_deint_filter_h
32 
33 #include "pipe/p_state.h"
34 
35 struct vl_deint_filter
36 {
37    struct pipe_context *pipe;
38    struct pipe_vertex_buffer quad;
39 
40    void *rs_state;
41    void *blend[3];
42    void *sampler[4];
43    void *ves;
44    void *vs;
45    void *fs_copy_top, *fs_copy_bottom;
46    void *fs_deint_top, *fs_deint_bottom;
47 
48    unsigned video_width, video_height;
49    bool skip_chroma;
50 
51    struct pipe_video_buffer *video_buffer;
52 };
53 
54 bool
55 vl_deint_filter_init(struct vl_deint_filter *filter, struct pipe_context *pipe,
56                      unsigned video_width, unsigned video_height,
57                      bool skip_chroma, bool spatial_filter);
58 
59 void
60 vl_deint_filter_cleanup(struct vl_deint_filter *filter);
61 
62 bool
63 vl_deint_filter_check_buffers(struct vl_deint_filter *filter,
64                               struct pipe_video_buffer *prevprev,
65                               struct pipe_video_buffer *prev,
66                               struct pipe_video_buffer *cur,
67                               struct pipe_video_buffer *next);
68 
69 void
70 vl_deint_filter_render(struct vl_deint_filter *filter,
71                        struct pipe_video_buffer *prevprev,
72                        struct pipe_video_buffer *prev,
73                        struct pipe_video_buffer *cur,
74                        struct pipe_video_buffer *next,
75                        unsigned field);
76 
77 #endif /* vl_deint_filter_h */
78