mirror of
https://github.com/opencv/opencv.git
synced 2025-06-28 23:50:58 +08:00
cd0e95de16
* remove overloads with explicit buffer, now BufferPool is used * added async versions for all reduce functions
114 lines
3.7 KiB
Plaintext
114 lines
3.7 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"
|
|
#include "opencv2/core/private.cuda.hpp"
|
|
|
|
using namespace cv;
|
|
using namespace cv::cuda;
|
|
using namespace cv::cudev;
|
|
|
|
namespace
|
|
{
|
|
template <typename T, typename D>
|
|
void countNonZeroImpl(const GpuMat& _src, GpuMat& _dst, Stream& stream)
|
|
{
|
|
const GpuMat_<T>& src = (const GpuMat_<T>&) _src;
|
|
GpuMat_<D>& dst = (GpuMat_<D>&) _dst;
|
|
|
|
gridCountNonZero(src, dst, stream);
|
|
}
|
|
}
|
|
|
|
void cv::cuda::countNonZero(InputArray _src, OutputArray _dst, Stream& stream)
|
|
{
|
|
typedef void (*func_t)(const GpuMat& src, GpuMat& dst, Stream& stream);
|
|
static const func_t funcs[] =
|
|
{
|
|
countNonZeroImpl<uchar, int>,
|
|
countNonZeroImpl<schar, int>,
|
|
countNonZeroImpl<ushort, int>,
|
|
countNonZeroImpl<short, int>,
|
|
countNonZeroImpl<int, int>,
|
|
countNonZeroImpl<float, int>,
|
|
countNonZeroImpl<double, int>,
|
|
};
|
|
|
|
GpuMat src = getInputMat(_src, stream);
|
|
|
|
CV_Assert( src.depth() <= CV_64F );
|
|
CV_Assert( src.channels() == 1 );
|
|
|
|
GpuMat dst = getOutputMat(_dst, 1, 1, CV_32SC1, stream);
|
|
|
|
const func_t func = funcs[src.depth()];
|
|
func(src, dst, stream);
|
|
|
|
syncOutput(dst, _dst, stream);
|
|
}
|
|
|
|
int cv::cuda::countNonZero(InputArray _src)
|
|
{
|
|
Stream& stream = Stream::Null();
|
|
|
|
BufferPool pool(stream);
|
|
GpuMat buf = pool.getBuffer(1, 1, CV_32SC1);
|
|
|
|
countNonZero(_src, buf, stream);
|
|
|
|
int data;
|
|
buf.download(Mat(1, 1, CV_32SC1, &data));
|
|
|
|
return data;
|
|
}
|
|
|
|
#endif
|