1f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/************************************************************************** 2f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 3f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Copyright 2012 Christian König. 4f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * All Rights Reserved. 5f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 6f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Permission is hereby granted, free of charge, to any person obtaining a 7f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * copy of this software and associated documentation files (the 8f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * "Software"), to deal in the Software without restriction, including 9f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * without limitation the rights to use, copy, modify, merge, publish, 10f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * distribute, sub license, and/or sell copies of the Software, and to 11f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * permit persons to whom the Software is furnished to do so, subject to 12f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * the following conditions: 13f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 14f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * The above copyright notice and this permission notice (including the 15f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * next paragraph) shall be included in all copies or substantial portions 16f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * of the Software. 17f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 18f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 19f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 20f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. 21f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR 22f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 23f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 24f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 25f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 26f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org **************************************************************************/ 27f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 28f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/* implementation of a median filter for noise reduction */ 29f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 30f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#ifndef vl_median_filter_h 31f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#define vl_median_filter_h 32f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 33f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "pipe/p_state.h" 34f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 35f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgenum vl_median_filter_shape 36f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 37f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org VL_MEDIAN_FILTER_BOX, 38f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org VL_MEDIAN_FILTER_CROSS, 39f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org VL_MEDIAN_FILTER_X, 40f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org VL_MEDIAN_FILTER_HORIZONTAL, 41f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org VL_MEDIAN_FILTER_VERTICAL 42f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org}; 43f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 44f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstruct vl_median_filter 45f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 46f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pipe_context *pipe; 47f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pipe_vertex_buffer quad; 48f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 49f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org void *rs_state; 50f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org void *blend; 51f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org void *sampler; 52f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org void *ves; 53f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org void *vs, *fs; 54f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org}; 55f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 56f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgbool 57f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvl_median_filter_init(struct vl_median_filter *filter, struct pipe_context *pipe, 58f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned width, unsigned height, unsigned size, 59f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org enum vl_median_filter_shape shape); 60f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 61f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvoid 62f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvl_median_filter_cleanup(struct vl_median_filter *filter); 63f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 64f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 65f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvoid 66f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvl_median_filter_render(struct vl_median_filter *filter, 67f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pipe_sampler_view *src, 68f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pipe_surface *dst); 69f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 70f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#endif /* vl_median_filter_h */ 71