Subversion Repositories Kolibri OS

Rev

Blame | Last modification | View Log | Download | RSS feed

  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 a median filter for noise reduction */
  29.  
  30. #ifndef vl_median_filter_h
  31. #define vl_median_filter_h
  32.  
  33. #include "pipe/p_state.h"
  34.  
  35. enum vl_median_filter_shape
  36. {
  37.    VL_MEDIAN_FILTER_BOX,
  38.    VL_MEDIAN_FILTER_CROSS,
  39.    VL_MEDIAN_FILTER_X,
  40.    VL_MEDIAN_FILTER_HORIZONTAL,
  41.    VL_MEDIAN_FILTER_VERTICAL
  42. };
  43.  
  44. struct vl_median_filter
  45. {
  46.    struct pipe_context *pipe;
  47.    struct pipe_vertex_buffer quad;
  48.  
  49.    void *rs_state;
  50.    void *blend;
  51.    void *sampler;
  52.    void *ves;
  53.    void *vs, *fs;
  54. };
  55.  
  56. bool
  57. vl_median_filter_init(struct vl_median_filter *filter, struct pipe_context *pipe,
  58.                       unsigned width, unsigned height, unsigned size,
  59.                       enum vl_median_filter_shape shape);
  60.  
  61. void
  62. vl_median_filter_cleanup(struct vl_median_filter *filter);
  63.  
  64.  
  65. void
  66. vl_median_filter_render(struct vl_median_filter *filter,
  67.                         struct pipe_sampler_view *src,
  68.                         struct pipe_surface *dst);
  69.  
  70. #endif /* vl_median_filter_h */
  71.