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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 4358 | Serge | 1 | /************************************************************************** |
| 2 | * |
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| 3 | * Copyright 2012 Christian König. |
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| 4 | * All Rights Reserved. |
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| 5 | * |
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| 6 | * Permission is hereby granted, free of charge, to any person obtaining a |
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| 7 | * copy of this software and associated documentation files (the |
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| 8 | * "Software"), to deal in the Software without restriction, including |
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| 9 | * without limitation the rights to use, copy, modify, merge, publish, |
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| 10 | * distribute, sub license, and/or sell copies of the Software, and to |
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| 11 | * permit persons to whom the Software is furnished to do so, subject to |
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| 12 | * the following conditions: |
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| 13 | * |
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| 14 | * The above copyright notice and this permission notice (including the |
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| 15 | * next paragraph) shall be included in all copies or substantial portions |
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| 16 | * of the Software. |
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| 17 | * |
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| 18 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
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| 19 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
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| 20 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. |
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| 21 | * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR |
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| 22 | * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
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| 23 | * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
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| 24 | * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
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| 25 | * |
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| 26 | **************************************************************************/ |
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| 27 | |||
| 28 | /* implementation of a median filter for noise reduction */ |
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| 29 | |||
| 30 | #ifndef vl_median_filter_h |
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| 31 | #define vl_median_filter_h |
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| 32 | |||
| 33 | #include "pipe/p_state.h" |
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| 34 | |||
| 35 | enum vl_median_filter_shape |
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| 36 | { |
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| 37 | VL_MEDIAN_FILTER_BOX, |
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| 38 | VL_MEDIAN_FILTER_CROSS, |
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| 39 | VL_MEDIAN_FILTER_X, |
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| 40 | VL_MEDIAN_FILTER_HORIZONTAL, |
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| 41 | VL_MEDIAN_FILTER_VERTICAL |
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| 42 | }; |
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| 43 | |||
| 44 | struct vl_median_filter |
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| 45 | { |
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| 46 | struct pipe_context *pipe; |
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| 47 | struct pipe_vertex_buffer quad; |
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| 48 | |||
| 49 | void *rs_state; |
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| 50 | void *blend; |
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| 51 | void *sampler; |
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| 52 | void *ves; |
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| 53 | void *vs, *fs; |
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| 54 | }; |
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| 55 | |||
| 56 | bool |
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| 57 | vl_median_filter_init(struct vl_median_filter *filter, struct pipe_context *pipe, |
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| 58 | unsigned width, unsigned height, unsigned size, |
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| 59 | enum vl_median_filter_shape shape); |
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| 60 | |||
| 61 | void |
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| 62 | vl_median_filter_cleanup(struct vl_median_filter *filter); |
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| 63 | |||
| 64 | |||
| 65 | void |
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| 66 | vl_median_filter_render(struct vl_median_filter *filter, |
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| 67 | struct pipe_sampler_view *src, |
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| 68 | struct pipe_surface *dst); |
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| 69 | |||
| 70 | #endif /* vl_median_filter_h */ |