/*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. // // * Redistribution's in binary form must reproduce the above copyright notice, // this list of conditions and the following disclaimer in the documentation // and/or other materials provided with the distribution. // // * The name of the copyright holders may not be used to endorse or promote products // derived from this software without specific prior written permission. // // This software is provided by the copyright holders and contributors as is and // any express or implied warranties, including, but not limited to, the implied // 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; // loss of use, data, or profits; or business interruption) however caused // and on any theory of liability, whether in contract, strict liability, // or tort (including negligence or otherwise) arising in any way out of // the use of this software, even if advised of the possibility of such damage. // //M*/ #ifdef DOUBLE_SUPPORT #ifdef cl_amd_fp64 #pragma OPENCL EXTENSION cl_amd_fp64:enable #elif defined (cl_khr_fp64) #pragma OPENCL EXTENSION cl_khr_fp64:enable #endif #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]; } }