137 lines
5.7 KiB
Common Lisp
137 lines
5.7 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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// Jia Haipeng, jiahaipeng95@gmail.com
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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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#define CV_PI 3.1415926535897932384626433832795
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#ifndef DBL_EPSILON
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#define DBL_EPSILON 0x1.0p-52
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#endif
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__kernel void arithm_cartToPolar_D5 (__global float *src1, int src1_step, int src1_offset,
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__global float *src2, int src2_step, int src2_offset,
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__global float *dst1, int dst1_step, int dst1_offset, //magnitude
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__global float *dst2, int dst2_step, int dst2_offset, //cartToPolar
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int rows, int cols, int angInDegree)
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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 < cols && y < rows)
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{
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int src1_index = mad24(y, src1_step, (x << 2) + src1_offset);
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int src2_index = mad24(y, src2_step, (x << 2) + src2_offset);
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int dst1_index = mad24(y, dst1_step, (x << 2) + dst1_offset);
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int dst2_index = mad24(y, dst2_step, (x << 2) + dst2_offset);
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float x = *((__global float *)((__global char *)src1 + src1_index));
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float y = *((__global float *)((__global char *)src2 + src2_index));
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float x2 = x * x;
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float y2 = y * y;
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float magnitude = sqrt(x2 + y2);
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float cartToPolar;
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float tmp = y >= 0 ? 0 : CV_PI*2;
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tmp = x < 0 ? CV_PI : tmp;
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float tmp1 = y >= 0 ? CV_PI*0.5 : CV_PI*1.5;
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cartToPolar = y2 <= x2 ? x*y/(x2 + 0.28f*y2 + (float)DBL_EPSILON) + tmp :
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tmp1 - x*y/(y2 + 0.28f*x2 + (float)DBL_EPSILON);
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cartToPolar = angInDegree == 0 ? cartToPolar : cartToPolar * (float)(180/CV_PI);
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*((__global float *)((__global char *)dst1 + dst1_index)) = magnitude;
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*((__global float *)((__global char *)dst2 + dst2_index)) = cartToPolar;
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}
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}
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#if defined (DOUBLE_SUPPORT)
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__kernel void arithm_cartToPolar_D6 (__global double *src1, int src1_step, int src1_offset,
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__global double *src2, int src2_step, int src2_offset,
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__global double *dst1, int dst1_step, int dst1_offset,
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__global double *dst2, int dst2_step, int dst2_offset,
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int rows, int cols, int angInDegree)
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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 < cols && y < rows)
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{
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int src1_index = mad24(y, src1_step, (x << 3) + src1_offset);
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int src2_index = mad24(y, src2_step, (x << 3) + src2_offset);
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int dst1_index = mad24(y, dst1_step, (x << 3) + dst1_offset);
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int dst2_index = mad24(y, dst2_step, (x << 3) + dst2_offset);
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double x = *((__global double *)((__global char *)src1 + src1_index));
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double y = *((__global double *)((__global char *)src2 + src2_index));
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double x2 = x * x;
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double y2 = y * y;
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double magnitude = sqrt(x2 + y2);
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double cartToPolar;
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float tmp = y >= 0 ? 0 : CV_PI*2;
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tmp = x < 0 ? CV_PI : tmp;
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float tmp1 = y >= 0 ? CV_PI*0.5 : CV_PI*1.5;
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cartToPolar = y2 <= x2 ? x*y/(x2 + 0.28f*y2 + (float)DBL_EPSILON) + tmp :
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tmp1 - x*y/(y2 + 0.28f*x2 + (float)DBL_EPSILON);
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cartToPolar = angInDegree == 0 ? cartToPolar : cartToPolar * (float)(180/CV_PI);
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*((__global double *)((__global char *)dst1 + dst1_index)) = magnitude;
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*((__global double *)((__global char *)dst2 + dst2_index)) = cartToPolar;
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}
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}
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#endif
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