1 /************************************************************************** 2 * 3 * Copyright 2012 Christian Knig. 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 36 struct 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 48 bool 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); 53 54 void 55 vl_matrix_filter_cleanup(struct vl_matrix_filter *filter); 56 57 58 void 59 vl_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