1/**************************************************************************
2 *
3 * Copyright 2012 Christian König.
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/* implementation of all matrix based filters like
29   gaussian, mean, laplacian, emboss, sharpness etc.. */
30
31#ifndef vl_matrix_filter_h
32#define vl_matrix_filter_h
33
34#include "pipe/p_state.h"
35
36struct vl_matrix_filter
37{
38   struct pipe_context *pipe;
39   struct pipe_vertex_buffer quad;
40
41   void *rs_state;
42   void *blend;
43   void *sampler;
44   void *ves;
45   void *vs, *fs;
46};
47
48bool
49vl_matrix_filter_init(struct vl_matrix_filter *filter, struct pipe_context *pipe,
50                      unsigned video_width, unsigned video_height,
51                      unsigned matrix_width, unsigned matrix_height,
52                      const float *matrix_values);
53
54void
55vl_matrix_filter_cleanup(struct vl_matrix_filter *filter);
56
57
58void
59vl_matrix_filter_render(struct vl_matrix_filter *filter,
60                        struct pipe_sampler_view *src,
61                        struct pipe_surface *dst);
62
63
64#endif /* vl_matrix_filter_h */
65