mirror of
https://github.com/opencv/opencv.git
synced 2024-12-29 12:38:19 +08:00
112 lines
3.9 KiB
Plaintext
112 lines
3.9 KiB
Plaintext
/*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) 2000-2008, Intel Corporation, all rights reserved.
|
|
// Copyright (C) 2009, Willow Garage Inc., 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 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*/
|
|
|
|
#include "opencv2/opencv_modules.hpp"
|
|
|
|
#ifndef HAVE_OPENCV_CUDEV
|
|
|
|
#error "opencv_cudev is required"
|
|
|
|
#else
|
|
|
|
#include "opencv2/cudaarithm.hpp"
|
|
#include "opencv2/cudev.hpp"
|
|
|
|
using namespace cv::cudev;
|
|
|
|
namespace
|
|
{
|
|
template <typename T>
|
|
void minMaxImpl(const GpuMat& _src, const GpuMat& mask, GpuMat& _buf, double* minVal, double* maxVal)
|
|
{
|
|
typedef typename SelectIf<
|
|
TypesEquals<T, double>::value,
|
|
double,
|
|
typename SelectIf<TypesEquals<T, float>::value, float, int>::type
|
|
>::type work_type;
|
|
|
|
const GpuMat_<T>& src = (const GpuMat_<T>&) _src;
|
|
GpuMat_<work_type>& buf = (GpuMat_<work_type>&) _buf;
|
|
|
|
if (mask.empty())
|
|
gridFindMinMaxVal(src, buf);
|
|
else
|
|
gridFindMinMaxVal(src, buf, globPtr<uchar>(mask));
|
|
|
|
work_type data[2];
|
|
buf.download(cv::Mat(1, 2, buf.type(), data));
|
|
|
|
if (minVal)
|
|
*minVal = data[0];
|
|
|
|
if (maxVal)
|
|
*maxVal = data[1];
|
|
}
|
|
}
|
|
|
|
void cv::cuda::minMax(InputArray _src, double* minVal, double* maxVal, InputArray _mask, GpuMat& buf)
|
|
{
|
|
typedef void (*func_t)(const GpuMat& _src, const GpuMat& mask, GpuMat& _buf, double* minVal, double* maxVal);
|
|
static const func_t funcs[] =
|
|
{
|
|
minMaxImpl<uchar>,
|
|
minMaxImpl<schar>,
|
|
minMaxImpl<ushort>,
|
|
minMaxImpl<short>,
|
|
minMaxImpl<int>,
|
|
minMaxImpl<float>,
|
|
minMaxImpl<double>
|
|
};
|
|
|
|
GpuMat src = _src.getGpuMat();
|
|
GpuMat mask = _mask.getGpuMat();
|
|
|
|
CV_Assert( src.channels() == 1 );
|
|
CV_DbgAssert( mask.empty() || (mask.size() == src.size() && mask.type() == CV_8U) );
|
|
|
|
const func_t func = funcs[src.depth()];
|
|
|
|
func(src, mask, buf, minVal, maxVal);
|
|
}
|
|
|
|
#endif
|