Home | History | Annotate | Download | only in vl 
      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 VMWARE 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