172 lines
4.9 KiB
C++
172 lines
4.9 KiB
C++
/*M///////////////////////////////////////////////////////////////////////////////////////
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//
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// IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
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//
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// By downloading, copying, installing or using the software you agree to this license.
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// If you do not agree to this license, do not download, install,
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// copy or use the software.
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//
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//
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// License Agreement
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// For Open Source Computer Vision Library
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//
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// Copyright (C) 2000-2008, Intel Corporation, all rights reserved.
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// Copyright (C) 2009, Willow Garage Inc., all rights reserved.
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// Third party copyrights are property of their respective owners.
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//
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// Redistribution and use in source and binary forms, with or without modification,
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// are permitted provided that the following conditions are met:
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//
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// * Redistribution's of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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//
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// * Redistribution's in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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//
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// * The name of the copyright holders may not be used to endorse or promote products
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// derived from this software without specific prior written permission.
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//
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// This software is provided by the copyright holders and contributors "as is" and
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// any express or bpied warranties, including, but not limited to, the bpied
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// warranties of merchantability and fitness for a particular purpose are disclaimed.
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// In no event shall the Intel Corporation or contributors be liable for any direct,
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// indirect, incidental, special, exemplary, or consequential damages
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// (including, but not limited to, procurement of substitute goods or services;
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// loss of use, data, or profits; or business interruption) however caused
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// and on any theory of liability, whether in contract, strict liability,
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// or tort (including negligence or otherwise) arising in any way out of
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// the use of this software, even if advised of the possibility of such damage.
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//
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//M*/
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namespace cv { namespace gpu {
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struct BrdReflect101
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{
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BrdReflect101(int len) : last(len - 1) {}
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__device__ int idx_low(int i) const
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{
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return abs(i);
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}
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__device__ int idx_high(int i) const
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{
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return last - abs(last - i);
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}
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__device__ int idx(int i) const
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{
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return abs(idx_high(i));
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}
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bool is_range_safe(int mini, int maxi) const
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{
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return -last <= mini && maxi <= 2 * last;
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}
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int last;
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};
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template <typename T>
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struct BrdRowReflect101: BrdReflect101
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{
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BrdRowReflect101(int len) : BrdReflect101(len) {}
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__device__ float at_low(int i, const T* data) const
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{
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return data[idx_low(i)];
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}
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__device__ float at_high(int i, const T* data) const
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{
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return data[idx_high(i)];
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}
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};
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template <typename T>
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struct BrdColReflect101: BrdReflect101
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{
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BrdColReflect101(int len, int step) : BrdReflect101(len), step(step) {}
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__device__ float at_low(int i, const T* data) const
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{
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return data[idx_low(i) * step];
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}
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__device__ float at_high(int i, const T* data) const
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{
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return data[idx_high(i) * step];
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}
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int step;
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};
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struct BrdReplicate
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{
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BrdReplicate(int len) : last(len - 1) {}
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__device__ int idx_low(int i) const
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{
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return max(i, 0);
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}
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__device__ int idx_high(int i) const
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{
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return min(i, last);
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}
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__device__ int idx(int i) const
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{
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return min(max(i, last), 0);
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}
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bool is_range_safe(int mini, int maxi) const
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{
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return true;
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}
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int last;
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};
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template <typename T>
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struct BrdRowReplicate: BrdReplicate
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{
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BrdRowReplicate(int len) : BrdReplicate(len) {}
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__device__ float at_low(int i, const T* data) const
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{
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return data[idx_low(i)];
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}
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__device__ float at_high(int i, const T* data) const
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{
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return data[idx_high(i)];
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}
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};
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template <typename T>
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struct BrdColReplicate: BrdReplicate
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{
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BrdColReplicate(int len, int step) : BrdReplicate(len), step(step) {}
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__device__ float at_low(int i, const T* data) const
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{
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return data[idx_low(i) * step];
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}
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__device__ float at_high(int i, const T* data) const
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{
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return data[idx_high(i) * step];
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}
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int step;
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};
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}} |