src/gallium/auxiliary/vl/vl_matrix_filter.h

   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
  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 */