1 /**************************************************************************
3 * Copyright 2012 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 /* implementation of all matrix based filters like
29 gaussian, mean, laplacian, emboss, sharpness etc.. */
31 #ifndef vl_matrix_filter_h
32 #define vl_matrix_filter_h
34 #include "pipe/p_state.h"
36 struct vl_matrix_filter
38 struct pipe_context
*pipe
;
39 struct pipe_vertex_buffer quad
;
49 vl_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
);
55 vl_matrix_filter_cleanup(struct vl_matrix_filter
*filter
);
59 vl_matrix_filter_render(struct vl_matrix_filter
*filter
,
60 struct pipe_sampler_view
*src
,
61 struct pipe_surface
*dst
);
64 #endif /* vl_matrix_filter_h */