Open Source Computer Vision Library
https://opencv.org/
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274 lines
18 KiB
274 lines
18 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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#if !defined CUDA_DISABLER |
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#include "internal_shared.hpp" |
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#include "opencv2/gpu/device/border_interpolate.hpp" |
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#include "opencv2/gpu/device/vec_traits.hpp" |
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#include "opencv2/gpu/device/vec_math.hpp" |
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#include "opencv2/gpu/device/saturate_cast.hpp" |
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#include "opencv2/gpu/device/filters.hpp" |
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namespace cv { namespace gpu { namespace device |
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{ |
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namespace imgproc |
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{ |
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template <typename Ptr2D, typename T> __global__ void remap(const Ptr2D src, const PtrStepf mapx, const PtrStepf mapy, PtrStepSz<T> dst) |
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{ |
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const int x = blockDim.x * blockIdx.x + threadIdx.x; |
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const int y = blockDim.y * blockIdx.y + threadIdx.y; |
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if (x < dst.cols && y < dst.rows) |
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{ |
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const float xcoo = mapx.ptr(y)[x]; |
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const float ycoo = mapy.ptr(y)[x]; |
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dst.ptr(y)[x] = saturate_cast<T>(src(ycoo, xcoo)); |
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} |
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} |
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template <template <typename> class Filter, template <typename> class B, typename T> struct RemapDispatcherStream |
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{ |
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static void call(PtrStepSz<T> src, PtrStepSzf mapx, PtrStepSzf mapy, PtrStepSz<T> dst, const float* borderValue, cudaStream_t stream, bool) |
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{ |
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typedef typename TypeVec<float, VecTraits<T>::cn>::vec_type work_type; |
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dim3 block(32, 8); |
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dim3 grid(divUp(dst.cols, block.x), divUp(dst.rows, block.y)); |
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B<work_type> brd(src.rows, src.cols, VecTraits<work_type>::make(borderValue)); |
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BorderReader< PtrStep<T>, B<work_type> > brdSrc(src, brd); |
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Filter< BorderReader< PtrStep<T>, B<work_type> > > filter_src(brdSrc); |
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remap<<<grid, block, 0, stream>>>(filter_src, mapx, mapy, dst); |
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cudaSafeCall( cudaGetLastError() ); |
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} |
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}; |
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template <template <typename> class Filter, template <typename> class B, typename T> struct RemapDispatcherNonStream |
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{ |
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static void call(PtrStepSz<T> src, PtrStepSz<T> srcWhole, int xoff, int yoff, PtrStepSzf mapx, PtrStepSzf mapy, PtrStepSz<T> dst, const float* borderValue, bool) |
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{ |
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(void)srcWhole; |
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(void)xoff; |
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(void)yoff; |
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typedef typename TypeVec<float, VecTraits<T>::cn>::vec_type work_type; |
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dim3 block(32, 8); |
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dim3 grid(divUp(dst.cols, block.x), divUp(dst.rows, block.y)); |
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B<work_type> brd(src.rows, src.cols, VecTraits<work_type>::make(borderValue)); |
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BorderReader< PtrStep<T>, B<work_type> > brdSrc(src, brd); |
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Filter< BorderReader< PtrStep<T>, B<work_type> > > filter_src(brdSrc); |
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remap<<<grid, block>>>(filter_src, mapx, mapy, dst); |
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cudaSafeCall( cudaGetLastError() ); |
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cudaSafeCall( cudaDeviceSynchronize() ); |
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} |
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}; |
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#define OPENCV_GPU_IMPLEMENT_REMAP_TEX(type) \ |
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texture< type , cudaTextureType2D> tex_remap_ ## type (0, cudaFilterModePoint, cudaAddressModeClamp); \ |
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struct tex_remap_ ## type ## _reader \ |
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{ \ |
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typedef type elem_type; \ |
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typedef int index_type; \ |
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int xoff, yoff; \ |
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tex_remap_ ## type ## _reader (int xoff_, int yoff_) : xoff(xoff_), yoff(yoff_) {} \ |
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__device__ __forceinline__ elem_type operator ()(index_type y, index_type x) const \ |
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{ \ |
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return tex2D(tex_remap_ ## type , x + xoff, y + yoff); \ |
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} \ |
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}; \ |
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template <template <typename> class Filter, template <typename> class B> struct RemapDispatcherNonStream<Filter, B, type> \ |
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{ \ |
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static void call(PtrStepSz< type > src, PtrStepSz< type > srcWhole, int xoff, int yoff, PtrStepSzf mapx, PtrStepSzf mapy, \ |
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PtrStepSz< type > dst, const float* borderValue, bool cc20) \ |
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{ \ |
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typedef typename TypeVec<float, VecTraits< type >::cn>::vec_type work_type; \ |
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dim3 block(32, cc20 ? 8 : 4); \ |
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dim3 grid(divUp(dst.cols, block.x), divUp(dst.rows, block.y)); \ |
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bindTexture(&tex_remap_ ## type , srcWhole); \ |
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tex_remap_ ## type ##_reader texSrc(xoff, yoff); \ |
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B<work_type> brd(src.rows, src.cols, VecTraits<work_type>::make(borderValue)); \ |
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BorderReader< tex_remap_ ## type ##_reader, B<work_type> > brdSrc(texSrc, brd); \ |
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Filter< BorderReader< tex_remap_ ## type ##_reader, B<work_type> > > filter_src(brdSrc); \ |
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remap<<<grid, block>>>(filter_src, mapx, mapy, dst); \ |
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cudaSafeCall( cudaGetLastError() ); \ |
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cudaSafeCall( cudaDeviceSynchronize() ); \ |
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} \ |
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}; \ |
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template <template <typename> class Filter> struct RemapDispatcherNonStream<Filter, BrdReplicate, type> \ |
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{ \ |
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static void call(PtrStepSz< type > src, PtrStepSz< type > srcWhole, int xoff, int yoff, PtrStepSzf mapx, PtrStepSzf mapy, \ |
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PtrStepSz< type > dst, const float*, bool) \ |
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{ \ |
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dim3 block(32, 8); \ |
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dim3 grid(divUp(dst.cols, block.x), divUp(dst.rows, block.y)); \ |
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bindTexture(&tex_remap_ ## type , srcWhole); \ |
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tex_remap_ ## type ##_reader texSrc(xoff, yoff); \ |
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if (srcWhole.cols == src.cols && srcWhole.rows == src.rows) \ |
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{ \ |
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Filter< tex_remap_ ## type ##_reader > filter_src(texSrc); \ |
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remap<<<grid, block>>>(filter_src, mapx, mapy, dst); \ |
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} \ |
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else \ |
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{ \ |
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BrdReplicate<type> brd(src.rows, src.cols); \ |
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BorderReader< tex_remap_ ## type ##_reader, BrdReplicate<type> > brdSrc(texSrc, brd); \ |
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Filter< BorderReader< tex_remap_ ## type ##_reader, BrdReplicate<type> > > filter_src(brdSrc); \ |
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remap<<<grid, block>>>(filter_src, mapx, mapy, dst); \ |
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} \ |
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cudaSafeCall( cudaGetLastError() ); \ |
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cudaSafeCall( cudaDeviceSynchronize() ); \ |
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} \ |
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}; |
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OPENCV_GPU_IMPLEMENT_REMAP_TEX(uchar) |
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//OPENCV_GPU_IMPLEMENT_REMAP_TEX(uchar2) |
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OPENCV_GPU_IMPLEMENT_REMAP_TEX(uchar4) |
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//OPENCV_GPU_IMPLEMENT_REMAP_TEX(schar) |
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//OPENCV_GPU_IMPLEMENT_REMAP_TEX(char2) |
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//OPENCV_GPU_IMPLEMENT_REMAP_TEX(char4) |
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OPENCV_GPU_IMPLEMENT_REMAP_TEX(ushort) |
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//OPENCV_GPU_IMPLEMENT_REMAP_TEX(ushort2) |
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OPENCV_GPU_IMPLEMENT_REMAP_TEX(ushort4) |
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OPENCV_GPU_IMPLEMENT_REMAP_TEX(short) |
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//OPENCV_GPU_IMPLEMENT_REMAP_TEX(short2) |
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OPENCV_GPU_IMPLEMENT_REMAP_TEX(short4) |
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//OPENCV_GPU_IMPLEMENT_REMAP_TEX(int) |
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//OPENCV_GPU_IMPLEMENT_REMAP_TEX(int2) |
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//OPENCV_GPU_IMPLEMENT_REMAP_TEX(int4) |
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OPENCV_GPU_IMPLEMENT_REMAP_TEX(float) |
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//OPENCV_GPU_IMPLEMENT_REMAP_TEX(float2) |
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OPENCV_GPU_IMPLEMENT_REMAP_TEX(float4) |
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#undef OPENCV_GPU_IMPLEMENT_REMAP_TEX |
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template <template <typename> class Filter, template <typename> class B, typename T> struct RemapDispatcher |
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{ |
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static void call(PtrStepSz<T> src, PtrStepSz<T> srcWhole, int xoff, int yoff, PtrStepSzf mapx, PtrStepSzf mapy, |
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PtrStepSz<T> dst, const float* borderValue, cudaStream_t stream, bool cc20) |
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{ |
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if (stream == 0) |
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RemapDispatcherNonStream<Filter, B, T>::call(src, srcWhole, xoff, yoff, mapx, mapy, dst, borderValue, cc20); |
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else |
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RemapDispatcherStream<Filter, B, T>::call(src, mapx, mapy, dst, borderValue, stream, cc20); |
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} |
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}; |
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template <typename T> void remap_gpu(PtrStepSzb src, PtrStepSzb srcWhole, int xoff, int yoff, PtrStepSzf xmap, PtrStepSzf ymap, |
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PtrStepSzb dst, int interpolation, int borderMode, const float* borderValue, cudaStream_t stream, bool cc20) |
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{ |
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typedef void (*caller_t)(PtrStepSz<T> src, PtrStepSz<T> srcWhole, int xoff, int yoff, PtrStepSzf xmap, PtrStepSzf ymap, |
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PtrStepSz<T> dst, const float* borderValue, cudaStream_t stream, bool cc20); |
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static const caller_t callers[3][5] = |
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{ |
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{ |
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RemapDispatcher<PointFilter, BrdReflect101, T>::call, |
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RemapDispatcher<PointFilter, BrdReplicate, T>::call, |
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RemapDispatcher<PointFilter, BrdConstant, T>::call, |
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RemapDispatcher<PointFilter, BrdReflect, T>::call, |
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RemapDispatcher<PointFilter, BrdWrap, T>::call |
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}, |
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{ |
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RemapDispatcher<LinearFilter, BrdReflect101, T>::call, |
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RemapDispatcher<LinearFilter, BrdReplicate, T>::call, |
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RemapDispatcher<LinearFilter, BrdConstant, T>::call, |
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RemapDispatcher<LinearFilter, BrdReflect, T>::call, |
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RemapDispatcher<LinearFilter, BrdWrap, T>::call |
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}, |
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{ |
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RemapDispatcher<CubicFilter, BrdReflect101, T>::call, |
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RemapDispatcher<CubicFilter, BrdReplicate, T>::call, |
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RemapDispatcher<CubicFilter, BrdConstant, T>::call, |
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RemapDispatcher<CubicFilter, BrdReflect, T>::call, |
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RemapDispatcher<CubicFilter, BrdWrap, T>::call |
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} |
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}; |
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callers[interpolation][borderMode](static_cast< PtrStepSz<T> >(src), static_cast< PtrStepSz<T> >(srcWhole), xoff, yoff, xmap, ymap, |
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static_cast< PtrStepSz<T> >(dst), borderValue, stream, cc20); |
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} |
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template void remap_gpu<uchar >(PtrStepSzb src, PtrStepSzb srcWhole, int xoff, int yoff, PtrStepSzf xmap, PtrStepSzf ymap, PtrStepSzb dst, int interpolation, int borderMode, const float* borderValue, cudaStream_t stream, bool cc20); |
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//template void remap_gpu<uchar2>(PtrStepSzb src, PtrStepSzb srcWhole, int xoff, int yoff, PtrStepSzf xmap, PtrStepSzf ymap, PtrStepSzb dst, int interpolation, int borderMode, const float* borderValue, cudaStream_t stream, bool cc20); |
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template void remap_gpu<uchar3>(PtrStepSzb src, PtrStepSzb srcWhole, int xoff, int yoff, PtrStepSzf xmap, PtrStepSzf ymap, PtrStepSzb dst, int interpolation, int borderMode, const float* borderValue, cudaStream_t stream, bool cc20); |
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template void remap_gpu<uchar4>(PtrStepSzb src, PtrStepSzb srcWhole, int xoff, int yoff, PtrStepSzf xmap, PtrStepSzf ymap, PtrStepSzb dst, int interpolation, int borderMode, const float* borderValue, cudaStream_t stream, bool cc20); |
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//template void remap_gpu<schar>(PtrStepSzb src, PtrStepSzb srcWhole, int xoff, int yoff, PtrStepSzf xmap, PtrStepSzf ymap, PtrStepSzb dst, int interpolation, int borderMode, const float* borderValue, cudaStream_t stream, bool cc20); |
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//template void remap_gpu<char2>(PtrStepSzb src, PtrStepSzb srcWhole, int xoff, int yoff, PtrStepSzf xmap, PtrStepSzf ymap, PtrStepSzb dst, int interpolation, int borderMode, const float* borderValue, cudaStream_t stream, bool cc20); |
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//template void remap_gpu<char3>(PtrStepSzb src, PtrStepSzb srcWhole, int xoff, int yoff, PtrStepSzf xmap, PtrStepSzf ymap, PtrStepSzb dst, int interpolation, int borderMode, const float* borderValue, cudaStream_t stream, bool cc20); |
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//template void remap_gpu<char4>(PtrStepSzb src, PtrStepSzb srcWhole, int xoff, int yoff, PtrStepSzf xmap, PtrStepSzf ymap, PtrStepSzb dst, int interpolation, int borderMode, const float* borderValue, cudaStream_t stream, bool cc20); |
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template void remap_gpu<ushort >(PtrStepSzb src, PtrStepSzb srcWhole, int xoff, int yoff, PtrStepSzf xmap, PtrStepSzf ymap, PtrStepSzb dst, int interpolation, int borderMode, const float* borderValue, cudaStream_t stream, bool cc20); |
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//template void remap_gpu<ushort2>(PtrStepSzb src, PtrStepSzb srcWhole, int xoff, int yoff, PtrStepSzf xmap, PtrStepSzf ymap, PtrStepSzb dst, int interpolation, int borderMode, const float* borderValue, cudaStream_t stream, bool cc20); |
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template void remap_gpu<ushort3>(PtrStepSzb src, PtrStepSzb srcWhole, int xoff, int yoff, PtrStepSzf xmap, PtrStepSzf ymap, PtrStepSzb dst, int interpolation, int borderMode, const float* borderValue, cudaStream_t stream, bool cc20); |
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template void remap_gpu<ushort4>(PtrStepSzb src, PtrStepSzb srcWhole, int xoff, int yoff, PtrStepSzf xmap, PtrStepSzf ymap, PtrStepSzb dst, int interpolation, int borderMode, const float* borderValue, cudaStream_t stream, bool cc20); |
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template void remap_gpu<short >(PtrStepSzb src, PtrStepSzb srcWhole, int xoff, int yoff, PtrStepSzf xmap, PtrStepSzf ymap, PtrStepSzb dst, int interpolation, int borderMode, const float* borderValue, cudaStream_t stream, bool cc20); |
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//template void remap_gpu<short2>(PtrStepSzb src, PtrStepSzb srcWhole, int xoff, int yoff, PtrStepSzf xmap, PtrStepSzf ymap, PtrStepSzb dst, int interpolation, int borderMode, const float* borderValue, cudaStream_t stream, bool cc20); |
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template void remap_gpu<short3>(PtrStepSzb src, PtrStepSzb srcWhole, int xoff, int yoff, PtrStepSzf xmap, PtrStepSzf ymap, PtrStepSzb dst, int interpolation, int borderMode, const float* borderValue, cudaStream_t stream, bool cc20); |
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template void remap_gpu<short4>(PtrStepSzb src, PtrStepSzb srcWhole, int xoff, int yoff, PtrStepSzf xmap, PtrStepSzf ymap, PtrStepSzb dst, int interpolation, int borderMode, const float* borderValue, cudaStream_t stream, bool cc20); |
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//template void remap_gpu<int >(PtrStepSzb src, PtrStepSzb srcWhole, int xoff, int yoff, PtrStepSzf xmap, PtrStepSzf ymap, PtrStepSzb dst, int interpolation, int borderMode, const float* borderValue, cudaStream_t stream, bool cc20); |
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//template void remap_gpu<int2>(PtrStepSzb src, PtrStepSzb srcWhole, int xoff, int yoff, PtrStepSzf xmap, PtrStepSzf ymap, PtrStepSzb dst, int interpolation, int borderMode, const float* borderValue, cudaStream_t stream, bool cc20); |
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//template void remap_gpu<int3>(PtrStepSzb src, PtrStepSzb srcWhole, int xoff, int yoff, PtrStepSzf xmap, PtrStepSzf ymap, PtrStepSzb dst, int interpolation, int borderMode, const float* borderValue, cudaStream_t stream, bool cc20); |
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//template void remap_gpu<int4>(PtrStepSzb src, PtrStepSzb srcWhole, int xoff, int yoff, PtrStepSzf xmap, PtrStepSzf ymap, PtrStepSzb dst, int interpolation, int borderMode, const float* borderValue, cudaStream_t stream, bool cc20); |
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template void remap_gpu<float >(PtrStepSzb src, PtrStepSzb srcWhole, int xoff, int yoff, PtrStepSzf xmap, PtrStepSzf ymap, PtrStepSzb dst, int interpolation, int borderMode, const float* borderValue, cudaStream_t stream, bool cc20); |
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//template void remap_gpu<float2>(PtrStepSzb src, PtrStepSzb srcWhole, int xoff, int yoff, PtrStepSzf xmap, PtrStepSzf ymap, PtrStepSzb dst, int interpolation, int borderMode, const float* borderValue, cudaStream_t stream, bool cc20); |
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template void remap_gpu<float3>(PtrStepSzb src, PtrStepSzb srcWhole, int xoff, int yoff, PtrStepSzf xmap, PtrStepSzf ymap, PtrStepSzb dst, int interpolation, int borderMode, const float* borderValue, cudaStream_t stream, bool cc20); |
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template void remap_gpu<float4>(PtrStepSzb src, PtrStepSzb srcWhole, int xoff, int yoff, PtrStepSzf xmap, PtrStepSzf ymap, PtrStepSzb dst, int interpolation, int borderMode, const float* borderValue, cudaStream_t stream, bool cc20); |
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} // namespace imgproc |
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}}} // namespace cv { namespace gpu { namespace device |
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#endif /* CUDA_DISABLER */
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