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Open Source Computer Vision Library
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109 lines
4.4 KiB
109 lines
4.4 KiB
/*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 "precomp.hpp" |
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using namespace cv; |
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using namespace cv::cuda; |
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#if !defined (HAVE_CUDA) || defined (CUDA_DISABLER) |
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void cv::cuda::blendLinear(InputArray, InputArray, InputArray, InputArray, OutputArray, Stream&) { throw_no_cuda(); } |
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#else |
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//////////////////////////////////////////////////////////////////////// |
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// blendLinear |
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namespace cv { namespace cuda { namespace device |
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{ |
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namespace blend |
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{ |
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template <typename T> |
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void blendLinearCaller(int rows, int cols, int cn, PtrStep<T> img1, PtrStep<T> img2, PtrStepf weights1, PtrStepf weights2, PtrStep<T> result, cudaStream_t stream); |
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void blendLinearCaller8UC4(int rows, int cols, PtrStepb img1, PtrStepb img2, PtrStepf weights1, PtrStepf weights2, PtrStepb result, cudaStream_t stream); |
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} |
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}}} |
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using namespace ::cv::cuda::device::blend; |
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void cv::cuda::blendLinear(InputArray _img1, InputArray _img2, InputArray _weights1, InputArray _weights2, |
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OutputArray _result, Stream& stream) |
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{ |
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GpuMat img1 = _img1.getGpuMat(); |
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GpuMat img2 = _img2.getGpuMat(); |
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GpuMat weights1 = _weights1.getGpuMat(); |
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GpuMat weights2 = _weights2.getGpuMat(); |
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CV_Assert( img1.size() == img2.size() ); |
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CV_Assert( img1.type() == img2.type() ); |
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CV_Assert( weights1.size() == img1.size() ); |
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CV_Assert( weights2.size() == img2.size() ); |
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CV_Assert( weights1.type() == CV_32FC1 ); |
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CV_Assert( weights2.type() == CV_32FC1 ); |
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const Size size = img1.size(); |
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const int depth = img1.depth(); |
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const int cn = img1.channels(); |
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_result.create(size, CV_MAKE_TYPE(depth, cn)); |
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GpuMat result = _result.getGpuMat(); |
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switch (depth) |
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{ |
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case CV_8U: |
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if (cn != 4) |
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blendLinearCaller<uchar>(size.height, size.width, cn, img1, img2, weights1, weights2, result, StreamAccessor::getStream(stream)); |
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else |
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blendLinearCaller8UC4(size.height, size.width, img1, img2, weights1, weights2, result, StreamAccessor::getStream(stream)); |
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break; |
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case CV_32F: |
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blendLinearCaller<float>(size.height, size.width, cn, img1, img2, weights1, weights2, result, StreamAccessor::getStream(stream)); |
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break; |
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default: |
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CV_Error(cv::Error::StsUnsupportedFormat, "bad image depth in linear blending function"); |
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} |
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} |
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#endif
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