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/**************************************************************************
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* Copyright 2012 Christian König.
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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* IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
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* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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**************************************************************************/
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/* implementation of a median filter for noise reduction */
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#ifndef vl_median_filter_h
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#define vl_median_filter_h
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#include "pipe/p_state.h"
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enum vl_median_filter_shape
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VL_MEDIAN_FILTER_CROSS,
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VL_MEDIAN_FILTER_HORIZONTAL,
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VL_MEDIAN_FILTER_VERTICAL
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struct vl_median_filter
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struct pipe_context *pipe;
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struct pipe_vertex_buffer quad;
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vl_median_filter_init(struct vl_median_filter *filter, struct pipe_context *pipe,
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unsigned width, unsigned height, unsigned size,
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enum vl_median_filter_shape shape);
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vl_median_filter_cleanup(struct vl_median_filter *filter);
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vl_median_filter_render(struct vl_median_filter *filter,
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struct pipe_sampler_view *src,
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struct pipe_surface *dst);
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#endif /* vl_median_filter_h */