100 lines
4.3 KiB
C++
100 lines
4.3 KiB
C++
/*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 GpuMaterials 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 bpied warranties, including, but not limited to, the bpied
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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 "precomp.hpp"
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#if !defined (HAVE_CUDA)
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void cv::gpu::graphcut(GpuMat&, GpuMat&, GpuMat&, GpuMat&, GpuMat&, GpuMat&, GpuMat&, Stream&) { throw_nogpu(); }
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#else /* !defined (HAVE_CUDA) */
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void cv::gpu::graphcut(GpuMat& terminals, GpuMat& leftTransp, GpuMat& rightTransp, GpuMat& top, GpuMat& bottom, GpuMat& labels, GpuMat& buf, Stream& s)
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{
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Size src_size = terminals.size();
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CV_Assert(terminals.type() == CV_32S);
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CV_Assert(leftTransp.size() == Size(src_size.height, src_size.width));
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CV_Assert(leftTransp.type() == CV_32S);
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CV_Assert(rightTransp.size() == Size(src_size.height, src_size.width));
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CV_Assert(rightTransp.type() == CV_32S);
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CV_Assert(top.size() == src_size);
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CV_Assert(top.type() == CV_32S);
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CV_Assert(bottom.size() == src_size);
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CV_Assert(bottom.type() == CV_32S);
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labels.create(src_size, CV_8U);
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NppiSize sznpp;
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sznpp.width = src_size.width;
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sznpp.height = src_size.height;
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int bufsz;
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nppSafeCall( nppiGraphcutGetSize(sznpp, &bufsz) );
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if ((size_t)bufsz > buf.cols * buf.rows * buf.elemSize())
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buf.create(1, bufsz, CV_8U);
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cudaStream_t stream = StreamAccessor::getStream(s);
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NppStreamHandler h(stream);
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#if CUDART_VERSION > 4000
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NppiGraphcutState* pState;
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nppSafeCall( nppiGraphcutInitAlloc(sznpp, &pState, buf.ptr<Npp8u>()) );
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nppSafeCall( nppiGraphcut_32s8u(terminals.ptr<Npp32s>(), leftTransp.ptr<Npp32s>(), rightTransp.ptr<Npp32s>(), top.ptr<Npp32s>(), bottom.ptr<Npp32s>(),
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static_cast<int>(terminals.step), static_cast<int>(leftTransp.step), sznpp, labels.ptr<Npp8u>(), static_cast<int>(labels.step), pState) );
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nppSafeCall( nppiGraphcutFree(pState) );
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#else
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nppSafeCall( nppiGraphcut_32s8u(terminals.ptr<Npp32s>(), leftTransp.ptr<Npp32s>(), rightTransp.ptr<Npp32s>(), top.ptr<Npp32s>(), bottom.ptr<Npp32s>(),
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static_cast<int>(terminals.step), static_cast<int>(leftTransp.step), sznpp, labels.ptr<Npp8u>(), static_cast<int>(labels.step), buf.ptr<Npp8u>()) );
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#endif
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if (stream == 0)
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cudaSafeCall( cudaDeviceSynchronize() );
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}
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#endif /* !defined (HAVE_CUDA) */
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