Open Source Computer Vision Library
https://opencv.org/
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81 lines
3.4 KiB
81 lines
3.4 KiB
/*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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// Copyright (C) 2013, OpenCV Foundation, 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 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 copyright holders 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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#ifdef DOUBLE_SUPPORT |
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#ifdef cl_amd_fp64 |
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#pragma OPENCL EXTENSION cl_amd_fp64:enable |
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#elif defined (cl_khr_fp64) |
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#pragma OPENCL EXTENSION cl_khr_fp64:enable |
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#endif |
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#endif |
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#define noconvert |
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__kernel void convertTo(__global const uchar * srcptr, int src_step, int src_offset, |
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__global uchar * dstptr, int dst_step, int dst_offset, int dst_rows, int dst_cols, |
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#ifndef NO_SCALE |
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WT alpha, WT beta, |
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#endif |
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int rowsPerWI) |
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{ |
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int x = get_global_id(0); |
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int y0 = get_global_id(1) * rowsPerWI; |
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if (x < dst_cols) |
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{ |
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int src_index = mad24(y0, src_step, mad24(x, (int)sizeof(srcT), src_offset)); |
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int dst_index = mad24(y0, dst_step, mad24(x, (int)sizeof(dstT), dst_offset)); |
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for (int y = y0, y1 = min(dst_rows, y0 + rowsPerWI); y < y1; ++y, src_index += src_step, dst_index += dst_step) |
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{ |
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__global const srcT * src = (__global const srcT *)(srcptr + src_index); |
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__global dstT * dst = (__global dstT *)(dstptr + dst_index); |
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#ifdef NO_SCALE |
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dst[0] = convertToDT(src[0]); |
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#else |
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dst[0] = convertToDT(fma(convertToWT(src[0]), alpha, beta)); |
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#endif |
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} |
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} |
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}
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