opencv/modules/ocl/src/opencl/arithm_magnitude.cl
2013-03-21 17:57:01 +04:00

97 lines
4.1 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
// Jia Haipeng, jiahaipeng95@gmail.com
//
// 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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//M*/
#if defined (DOUBLE_SUPPORT)
#pragma OPENCL EXTENSION cl_khr_fp64:enable
#endif
__kernel void arithm_magnitude_D5 (__global float *src1, int src1_step, int src1_offset,
__global float *src2, int src2_step, int src2_offset,
__global float *dst, int dst_step, int dst_offset,
int rows, int cols)
{
int x = get_global_id(0);
int y = get_global_id(1);
if (x < cols && y < rows)
{
int src1_index = mad24(y, src1_step, (x << 2) + src1_offset);
int src2_index = mad24(y, src2_step, (x << 2) + src2_offset);
int dst_index = mad24(y, dst_step, (x << 2) + dst_offset);
float data1 = *((__global float *)((__global char *)src1 + src1_index));
float data2 = *((__global float *)((__global char *)src2 + src2_index));
float tmp = sqrt(data1 * data1 + data2 * data2);
*((__global float *)((__global char *)dst + dst_index)) = tmp;
}
}
#if defined (DOUBLE_SUPPORT)
__kernel void arithm_magnitude_D6 (__global double *src1, int src1_step, int src1_offset,
__global double *src2, int src2_step, int src2_offset,
__global double *dst, int dst_step, int dst_offset,
int rows, int cols)
{
int x = get_global_id(0);
int y = get_global_id(1);
if (x < cols && y < rows)
{
int src1_index = mad24(y, src1_step, (x << 3) + src1_offset);
int src2_index = mad24(y, src2_step, (x << 3) + src2_offset);
int dst_index = mad24(y, dst_step, (x << 3) + dst_offset);
double data1 = *((__global double *)((__global char *)src1 + src1_index));
double data2 = *((__global double *)((__global char *)src2 + src2_index));
double tmp = sqrt(data1 * data1 + data2 * data2);
*((__global double *)((__global char *)dst + dst_index)) = tmp;
}
}
#endif