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      1 /**************************************************************************
      2  *
      3  * Copyright 2013 Grigori Goronzy <greg (at) 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