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/*M///////////////////////////////////////////////////////////////////////////////////////
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// IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
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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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// For Open Source Computer Vision Library
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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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// 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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// * 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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// * 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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// * 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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// 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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#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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#include "opencv2/cudaarithm.hpp"
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#include "opencv2/cudev.hpp"
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#include "opencv2/core/private.cuda.hpp"
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using namespace cv::cuda;
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using namespace cv::cudev;
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////////////////////////////////////////////////////////////////////////
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void cv::cuda::integral(InputArray _src, OutputArray _dst, Stream& stream)
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GpuMat src = getInputMat(_src, stream);
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CV_Assert( src.type() == CV_8UC1 );
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BufferPool pool(stream);
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GpuMat_<int> res(src.size(), pool.getAllocator());
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gridIntegral(globPtr<uchar>(src), res, stream);
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GpuMat dst = getOutputMat(_dst, src.rows + 1, src.cols + 1, CV_32SC1, stream);
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dst.setTo(Scalar::all(0), stream);
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GpuMat inner = dst(Rect(1, 1, src.cols, src.rows));
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res.copyTo(inner, stream);
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syncOutput(dst, _dst, stream);
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//////////////////////////////////////////////////////////////////////////////
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void cv::cuda::sqrIntegral(InputArray _src, OutputArray _dst, Stream& stream)
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GpuMat src = getInputMat(_src, stream);
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CV_Assert( src.type() == CV_8UC1 );
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BufferPool pool(Stream::Null());
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GpuMat_<double> res(pool.getBuffer(src.size(), CV_64FC1));
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gridIntegral(sqr_(cvt_<int>(globPtr<uchar>(src))), res, stream);
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GpuMat dst = getOutputMat(_dst, src.rows + 1, src.cols + 1, CV_64FC1, stream);
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dst.setTo(Scalar::all(0), stream);
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GpuMat inner = dst(Rect(1, 1, src.cols, src.rows));
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res.copyTo(inner, stream);
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syncOutput(dst, _dst, stream);