97 lines
3.2 KiB
Plaintext
97 lines
3.2 KiB
Plaintext
/*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) 2000-2008, Intel Corporation, all rights reserved.
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// Copyright (C) 2009, Willow Garage 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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// 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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#include "opencv2/opencv_modules.hpp"
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#ifndef HAVE_OPENCV_CUDEV
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#error "opencv_cudev is required"
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#else
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#include "opencv2/cudaarithm.hpp"
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#include "opencv2/cudev.hpp"
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using namespace cv::cudev;
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namespace
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{
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template <typename T>
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int countNonZeroImpl(const GpuMat& _src, GpuMat& _buf)
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{
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const GpuMat_<T>& src = (const GpuMat_<T>&) _src;
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GpuMat_<int>& buf = (GpuMat_<int>&) _buf;
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gridCountNonZero(src, buf);
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int data;
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buf.download(cv::Mat(1, 1, buf.type(), &data));
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return data;
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}
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}
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int cv::cuda::countNonZero(InputArray _src, GpuMat& buf)
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{
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typedef int (*func_t)(const GpuMat& _src, GpuMat& _buf);
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static const func_t funcs[] =
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{
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countNonZeroImpl<uchar>,
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countNonZeroImpl<schar>,
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countNonZeroImpl<ushort>,
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countNonZeroImpl<short>,
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countNonZeroImpl<int>,
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countNonZeroImpl<float>,
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countNonZeroImpl<double>
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};
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GpuMat src = _src.getGpuMat();
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CV_Assert( src.channels() == 1 );
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const func_t func = funcs[src.depth()];
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return func(src, buf);
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}
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#endif
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