opencv/modules/ocl/src/opencl/arithm_log.cl
Andrey Pavlenko 2b6fca68bf fixing typo
2013-10-25 18:00:46 +04:00

108 lines
4.2 KiB
Common Lisp

/*M///////////////////////////////////////////////////////////////////////////////////////
//
// IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
//
// By downloading, copying, installing or using the software you agree to this license.
// If you do not agree to this license, do not download, install,
// copy or use the software.
//
//
// License Agreement
// For Open Source Computer Vision Library
//
// Copyright (C) 2010-2012, Institute Of Software Chinese Academy Of Science, all rights reserved.
// Copyright (C) 2010-2012, Advanced Micro Devices, Inc., all rights reserved.
// Third party copyrights are property of their respective owners.
//
// @Authors
// Wu Zailong, bullet@yeah.net
//
// Redistribution and use in source and binary forms, with or without modification,
// are permitted provided that the following conditions are met:
//
// * Redistribution's of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
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// * Redistribution's in binary form must reproduce the above copyright notice,
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// warranties of merchantability and fitness for a particular purpose are disclaimed.
// In no event shall the Intel Corporation or contributors be liable for any direct,
// indirect, incidental, special, exemplary, or consequential damages
// (including, but not limited to, procurement of substitute goods or services;
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//M*/
#if defined (DOUBLE_SUPPORT)
#pragma OPENCL EXTENSION cl_khr_fp64:enable
#endif
//////////////////////////////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////LOG/////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////////////////////////////
__kernel void arithm_log_C1(__global srcT *src, __global srcT *dst,
int cols1, int rows,
int srcOffset1, int dstOffset1,
int srcStep1, int dstStep1)
{
int x = get_global_id(0);
int y = get_global_id(1);
if(x < cols1 && y < rows)
{
int srcIdx = mad24(y, srcStep1, x + srcOffset1);
int dstIdx = mad24(y, dstStep1, x + dstOffset1);
dst[dstIdx] = log(src[srcIdx]);
}
}
__kernel void arithm_log_C2(__global srcT *src, __global srcT *dst,
int cols1, int rows,
int srcOffset1, int dstOffset1,
int srcStep1, int dstStep1)
{
int x1 = get_global_id(0) << 1;
int y = get_global_id(1);
if(x1 < cols1 && y < rows)
{
int srcIdx = mad24(y, srcStep1, x1 + srcOffset1);
int dstIdx = mad24(y, dstStep1, x1 + dstOffset1);
dst[dstIdx] = log(src[srcIdx]);
dst[dstIdx + 1] = x1 + 1 < cols1 ? log(src[srcIdx + 1]) : dst[dstIdx + 1];
}
}
__kernel void arithm_log_C4(__global srcT *src, __global srcT *dst,
int cols1, int rows,
int srcOffset1, int dstOffset1,
int srcStep1, int dstStep1)
{
int x1 = get_global_id(0) << 2;
int y = get_global_id(1);
if(x1 < cols1 && y < rows)
{
int srcIdx = mad24(y, srcStep1, x1 + srcOffset1);
int dstIdx = mad24(y, dstStep1, x1 + dstOffset1);
dst[dstIdx] = log(src[srcIdx]);
dst[dstIdx + 1] = x1 + 1 < cols1 ? log(src[srcIdx + 1]) : dst[dstIdx + 1];
dst[dstIdx + 2] = x1 + 2 < cols1 ? log(src[srcIdx + 2]) : dst[dstIdx + 2];
dst[dstIdx + 3] = x1 + 3 < cols1 ? log(src[srcIdx + 3]) : dst[dstIdx + 3];
}
}