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108 lines
4.2 KiB
Common Lisp
108 lines
4.2 KiB
Common Lisp
/*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) 2010-2012, Institute Of Software Chinese Academy Of Science, all rights reserved.
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// Copyright (C) 2010-2012, Advanced Micro Devices, 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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// @Authors
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// Wu Zailong, bullet@yeah.net
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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 implied warranties, including, but not limited to, the implied
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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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#if defined (DOUBLE_SUPPORT)
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#pragma OPENCL EXTENSION cl_khr_fp64:enable
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#endif
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//////////////////////////////////////////////////////////////////////////////////////////////////////
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/////////////////////////////////////////////LOG/////////////////////////////////////////////////////
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///////////////////////////////////////////////////////////////////////////////////////////////////////
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__kernel void arithm_log_C1(__global srcT *src, __global srcT *dst,
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int cols1, int rows,
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int srcOffset1, int dstOffset1,
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int srcStep1, int dstStep1)
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{
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int x = get_global_id(0);
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int y = get_global_id(1);
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if(x < cols1 && y < rows)
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{
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int srcIdx = mad24(y, srcStep1, x + srcOffset1);
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int dstIdx = mad24(y, dstStep1, x + dstOffset1);
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dst[dstIdx] = log(src[srcIdx]);
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}
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}
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__kernel void arithm_log_C2(__global srcT *src, __global srcT *dst,
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int cols1, int rows,
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int srcOffset1, int dstOffset1,
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int srcStep1, int dstStep1)
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{
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int x1 = get_global_id(0) << 1;
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int y = get_global_id(1);
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if(x1 < cols1 && y < rows)
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{
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int srcIdx = mad24(y, srcStep1, x1 + srcOffset1);
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int dstIdx = mad24(y, dstStep1, x1 + dstOffset1);
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dst[dstIdx] = log(src[srcIdx]);
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dst[dstIdx + 1] = x1 + 1 < cols1 ? log(src[srcIdx + 1]) : dst[dstIdx + 1];
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}
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}
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__kernel void arithm_log_C4(__global srcT *src, __global srcT *dst,
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int cols1, int rows,
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int srcOffset1, int dstOffset1,
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int srcStep1, int dstStep1)
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{
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int x1 = get_global_id(0) << 2;
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int y = get_global_id(1);
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if(x1 < cols1 && y < rows)
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{
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int srcIdx = mad24(y, srcStep1, x1 + srcOffset1);
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int dstIdx = mad24(y, dstStep1, x1 + dstOffset1);
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dst[dstIdx] = log(src[srcIdx]);
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dst[dstIdx + 1] = x1 + 1 < cols1 ? log(src[srcIdx + 1]) : dst[dstIdx + 1];
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dst[dstIdx + 2] = x1 + 2 < cols1 ? log(src[srcIdx + 2]) : dst[dstIdx + 2];
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dst[dstIdx + 3] = x1 + 3 < cols1 ? log(src[srcIdx + 3]) : dst[dstIdx + 3];
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}
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}
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