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Merge pull request #1936 from ElenaGvozdeva:ocl_flip

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Andrey Pavlenko
2013-12-06 16:40:29 +04:00
committed by OpenCV Buildbot
parent f36858b3a0 f5a01f15a5
commit a0c296fcdb
3 changed files with 193 additions and 3 deletions
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modules/core/src/opencl/flip.cl Normal file
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/*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) 2013, OpenCV Foundation, all rights reserved.
// Third party copyrights are property of their respective owners.
//
// 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 OpenCV Foundation 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*/
#define sizeoftype ((int)sizeof(type))
__kernel void arithm_flip_rows(__global const uchar* srcptr, int srcstep, int srcoffset,
__global uchar* dstptr, int dststep, int dstoffset,
int rows, int cols, int thread_rows, int thread_cols)
{
int x = get_global_id(0);
int y = get_global_id(1);
if (x < cols && y < thread_rows)
{
__global const type* src0 = (__global const type*)(srcptr + mad24(y, srcstep, srcoffset + x * sizeoftype));
__global const type* src1 = (__global const type*)(srcptr + mad24(rows - y - 1, srcstep, srcoffset + x * sizeoftype));
__global type* dst0 = (__global type*)(dstptr + mad24(y, dststep, dstoffset + x * sizeoftype));
__global type* dst1 = (__global type*)(dstptr + mad24(rows - y - 1, dststep, dstoffset + x * sizeoftype));
dst0[0] = src1[0];
dst1[0] = src0[0];
}
}
__kernel void arithm_flip_rows_cols(__global const uchar* srcptr, int srcstep, int srcoffset,
__global uchar* dstptr, int dststep, int dstoffset,
int rows, int cols, int thread_rows, int thread_cols)
{
int x = get_global_id(0);
int y = get_global_id(1);
if (x < cols && y < thread_rows)
{
__global const type* src0 = (__global const type*)(srcptr + mad24(y, srcstep, x*sizeoftype + srcoffset));
__global const type* src1 = (__global const type*)(srcptr + mad24(rows - y - 1, srcstep, (cols - x - 1)*sizeoftype + srcoffset));
__global type* dst0 = (__global type*)(dstptr + mad24(rows - y - 1, dststep, (cols - x - 1)*sizeoftype + dstoffset));
__global type* dst1 = (__global type*)(dstptr + mad24(y, dststep, x * sizeoftype + dstoffset));
dst0[0] = src0[0];
dst1[0] = src1[0];
}
}
__kernel void arithm_flip_cols(__global const uchar* srcptr, int srcstep, int srcoffset,
__global uchar* dstptr, int dststep, int dstoffset,
int rows, int cols, int thread_rows, int thread_cols)
{
int x = get_global_id(0);
int y = get_global_id(1);
if (x < thread_cols && y < rows)
{
__global const type* src0 = (__global const type*)(srcptr + mad24(y, srcstep, x * sizeoftype + srcoffset));
__global const type* src1 = (__global const type*)(srcptr + mad24(y, srcstep, (cols - x - 1)*sizeoftype + srcoffset));
__global type* dst0 = (__global type*)(dstptr + mad24(y, dststep, (cols - x - 1)*sizeoftype + dstoffset));
__global type* dst1 = (__global type*)(dstptr + mad24(y, dststep, x * sizeoftype + dstoffset));
dst1[0] = src1[0];
dst0[0] = src0[0];
}
}