mirror of
https://github.com/opencv/opencv.git
synced 2024-11-29 13:47:32 +08:00
added cv::warpPerspective to T-API
This commit is contained in:
Ilya Lavrenov
parent
90c230678e
commit
55af7857b9
@ -286,7 +286,7 @@ public:
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Kernel();
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Kernel(const char* kname, const Program& prog);
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Kernel(const char* kname, const ProgramSource2& prog,
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const String& buildopts, String* errmsg=0);
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const String& buildopts = String(), String* errmsg=0);
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~Kernel();
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Kernel(const Kernel& k);
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Kernel& operator = (const Kernel& k);
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@ -1893,7 +1893,7 @@ Context2& Context2::getDefault()
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// First, try to retrieve existing context of the same type.
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// In its turn, Platform::getContext() may call Context2::create()
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// if there is no such context.
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ctx.create(Device::TYPE_ACCELERATOR);
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ctx.create(Device::TYPE_CPU);
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if(!ctx.p)
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ctx.create(Device::TYPE_DGPU);
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if(!ctx.p)
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@ -2041,6 +2041,7 @@ struct Kernel::Impl
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cl_int retval = 0;
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handle = ph != 0 ?
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clCreateKernel(ph, kname, &retval) : 0;
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printf("kernel creation error code: %d\n", retval);
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for( int i = 0; i < MAX_ARRS; i++ )
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u[i] = 0;
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haveTempDstUMats = false;
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@ -2218,7 +2219,7 @@ int Kernel::set(int i, const KernelArg& arg)
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else if( arg.m->dims <= 2 )
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{
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UMat2D u2d(*arg.m);
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clSetKernelArg(p->handle, (cl_uint)i, sizeof(h), &h);
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clSetKernelArg(p->handle, (cl_uint)i, sizeof(h), &h));
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clSetKernelArg(p->handle, (cl_uint)(i+1), sizeof(u2d.step), &u2d.step);
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clSetKernelArg(p->handle, (cl_uint)(i+2), sizeof(u2d.offset), &u2d.offset);
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i += 3;
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@ -4030,16 +4030,76 @@ private:
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};
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#endif
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static bool ocl_warpPerspective(InputArray _src, OutputArray _dst, InputArray _M0,
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Size dsize, int flags, int borderType, const Scalar& borderValue)
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{
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int type = _src.type(), depth = CV_MAT_DEPTH(type), cn = CV_MAT_CN(type), wdepth = depth;
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double doubleSupport = ocl::Device::getDefault().doubleFPConfig() > 0;
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int interpolation = flags & INTER_MAX;
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if( interpolation == INTER_AREA )
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interpolation = INTER_LINEAR;
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if ( !(borderType == cv::BORDER_CONSTANT &&
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(interpolation == cv::INTER_NEAREST || interpolation == cv::INTER_LINEAR || interpolation == cv::INTER_CUBIC)) ||
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(!doubleSupport && depth == CV_64F) || cn > 4 || cn == 3)
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return false;
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UMat src = _src.getUMat(), M0;
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_dst.create( dsize.area() == 0 ? src.size() : dsize, src.type() );
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UMat dst = _dst.getUMat();
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double M[9];
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Mat matM(3, 3, doubleSupport ? CV_64F : CV_32F, M), M1 = _M0.getMat();
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CV_Assert( (M1.type() == CV_32F || M1.type() == CV_64F) && M1.rows == 3 && M1.cols == 3 );
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M1.convertTo(matM, matM.type());
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if( !(flags & WARP_INVERSE_MAP) )
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invert(matM, matM);
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matM.copyTo(M0);
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const char * const interpolationMap[3] = { "NEAREST", "LINEAR", "CUBIC" };
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ocl::Kernel k;
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if (interpolation == INTER_NEAREST)
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{
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k.create("warpPerspective", ocl::imgproc::warp_perspective_oclsrc,
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format("-D INTER_NEAREST -D T=%s%s", ocl::typeToStr(type),
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doubleSupport ? " -D DOUBLE_SUPPORT" : ""));
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}
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else
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{
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char cvt[2][50];
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wdepth = std::max(CV_32S, depth);
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k.create("warpPerspective", ocl::imgproc::warp_perspective_oclsrc,
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format("-D INTER_%s -D T=%s -D WT=%s -D depth=%d -D convertToWT=%s -D convertToT=%s%s",
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interpolationMap[interpolation], ocl::typeToStr(type),
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ocl::typeToStr(CV_MAKE_TYPE(wdepth, cn)), depth,
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ocl::convertTypeStr(depth, wdepth, cn, cvt[0]),
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ocl::convertTypeStr(wdepth, depth, cn, cvt[1]),
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doubleSupport ? " -D DOUBLE_SUPPORT" : ""));
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}
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k.args(ocl::KernelArg::ReadOnly(src), ocl::KernelArg::WriteOnly(dst),
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ocl::KernelArg::PtrOnly(M0), ocl::KernelArg::Constant(Mat(1, 1, CV_MAKE_TYPE(wdepth, cn), borderValue)));
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size_t globalThreads[2] = { dst.cols, dst.rows };
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return k.run(2, globalThreads, NULL, false);
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}
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}
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void cv::warpPerspective( InputArray _src, OutputArray _dst, InputArray _M0,
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Size dsize, int flags, int borderType, const Scalar& borderValue )
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{
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CV_Assert( _src.total() > 0 );
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if (ocl::useOpenCL() && _dst.isUMat() && ocl_warpPerspective(_src, _dst, _M0, dsize, flags, borderType, borderValue))
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return;
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Mat src = _src.getMat(), M0 = _M0.getMat();
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_dst.create( dsize.area() == 0 ? src.size() : dsize, src.type() );
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Mat dst = _dst.getMat();
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CV_Assert( src.cols > 0 && src.rows > 0 );
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if( dst.data == src.data )
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src = src.clone();
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761
modules/imgproc/src/opencl/warp_affine.cl
Normal file
761
modules/imgproc/src/opencl/warp_affine.cl
Normal file
@ -0,0 +1,761 @@
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/*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) 2010-2012, Institute Of Software Chinese Academy Of Science, all rights reserved.
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// Copyright (C) 2010-2012, Advanced Micro Devices, 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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// @Authors
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// Zhang Ying, zhangying913@gmail.com
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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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//warpAffine kernel
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//support data types: CV_8UC1, CV_8UC4, CV_32FC1, CV_32FC4, and three interpolation methods: NN, Linear, Cubic.
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#ifdef DOUBLE_SUPPORT
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#ifdef cl_amd_fp64
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#pragma OPENCL EXTENSION cl_amd_fp64:enable
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#elif defined (cl_khr_fp64)
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#pragma OPENCL EXTENSION cl_khr_fp64:enable
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#endif
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typedef double F;
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typedef double4 F4;
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#define convert_F4 convert_double4
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#else
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typedef float F;
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typedef float4 F4;
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#define convert_F4 convert_float4
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#endif
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#define INTER_BITS 5
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#define INTER_TAB_SIZE (1 << INTER_BITS)
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#define INTER_SCALE 1.f/INTER_TAB_SIZE
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#define AB_BITS max(10, (int)INTER_BITS)
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#define AB_SCALE (1 << AB_BITS)
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#define INTER_REMAP_COEF_BITS 15
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#define INTER_REMAP_COEF_SCALE (1 << INTER_REMAP_COEF_BITS)
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inline void interpolateCubic( float x, float* coeffs )
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{
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const float A = -0.75f;
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coeffs[0] = ((A*(x + 1.f) - 5.0f*A)*(x + 1.f) + 8.0f*A)*(x + 1.f) - 4.0f*A;
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coeffs[1] = ((A + 2.f)*x - (A + 3.f))*x*x + 1.f;
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coeffs[2] = ((A + 2.f)*(1.f - x) - (A + 3.f))*(1.f - x)*(1.f - x) + 1.f;
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coeffs[3] = 1.f - coeffs[0] - coeffs[1] - coeffs[2];
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}
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/**********************************************8UC1*********************************************
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***********************************************************************************************/
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__kernel void warpAffineNN_C1_D0(__global uchar const * restrict src, __global uchar * dst, int src_cols, int src_rows,
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int dst_cols, int dst_rows, int srcStep, int dstStep,
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int src_offset, int dst_offset, __constant F * M, int threadCols )
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{
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int dx = get_global_id(0);
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int dy = get_global_id(1);
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if( dx < threadCols && dy < dst_rows)
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{
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dx = (dx<<2) - (dst_offset&3);
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int round_delta = (AB_SCALE>>1);
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int4 X, Y;
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int4 sx, sy;
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int4 DX = (int4)(dx, dx+1, dx+2, dx+3);
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DX = (DX << AB_BITS);
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F4 M0DX, M3DX;
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M0DX = M[0] * convert_F4(DX);
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M3DX = M[3] * convert_F4(DX);
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X = convert_int4(rint(M0DX));
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Y = convert_int4(rint(M3DX));
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int tmp1, tmp2;
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tmp1 = rint((M[1]*dy + M[2]) * AB_SCALE);
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tmp2 = rint((M[4]*dy + M[5]) * AB_SCALE);
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X += tmp1 + round_delta;
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Y += tmp2 + round_delta;
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sx = convert_int4(convert_short4(X >> AB_BITS));
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sy = convert_int4(convert_short4(Y >> AB_BITS));
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__global uchar4 * d = (__global uchar4 *)(dst+dst_offset+dy*dstStep+dx);
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uchar4 dval = *d;
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DX = (int4)(dx, dx+1, dx+2, dx+3);
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int4 dcon = DX >= 0 && DX < dst_cols && dy >= 0 && dy < dst_rows;
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int4 scon = sx >= 0 && sx < src_cols && sy >= 0 && sy < src_rows;
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int4 spos = src_offset + sy * srcStep + sx;
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uchar4 sval;
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sval.s0 = scon.s0 ? src[spos.s0] : 0;
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sval.s1 = scon.s1 ? src[spos.s1] : 0;
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sval.s2 = scon.s2 ? src[spos.s2] : 0;
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sval.s3 = scon.s3 ? src[spos.s3] : 0;
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dval = convert_uchar4(dcon) != (uchar4)(0,0,0,0) ? sval : dval;
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*d = dval;
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}
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}
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__kernel void warpAffineLinear_C1_D0(__global const uchar * restrict src, __global uchar * dst, int src_cols, int src_rows,
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int dst_cols, int dst_rows, int srcStep, int dstStep,
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int src_offset, int dst_offset, __constant F * M, int threadCols )
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{
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int dx = get_global_id(0);
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int dy = get_global_id(1);
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if( dx < threadCols && dy < dst_rows)
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{
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dx = (dx<<2) - (dst_offset&3);
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int round_delta = ((AB_SCALE >> INTER_BITS) >> 1);
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int4 X, Y;
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short4 ax, ay;
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int4 sx, sy;
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int4 DX = (int4)(dx, dx+1, dx+2, dx+3);
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DX = (DX << AB_BITS);
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F4 M0DX, M3DX;
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M0DX = M[0] * convert_F4(DX);
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M3DX = M[3] * convert_F4(DX);
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X = convert_int4(rint(M0DX));
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Y = convert_int4(rint(M3DX));
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int tmp1, tmp2;
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tmp1 = rint((M[1]*dy + M[2]) * AB_SCALE);
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tmp2 = rint((M[4]*dy + M[5]) * AB_SCALE);
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X += tmp1 + round_delta;
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Y += tmp2 + round_delta;
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X = X >> (AB_BITS - INTER_BITS);
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Y = Y >> (AB_BITS - INTER_BITS);
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sx = convert_int4(convert_short4(X >> INTER_BITS));
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sy = convert_int4(convert_short4(Y >> INTER_BITS));
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ax = convert_short4(X & (INTER_TAB_SIZE-1));
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ay = convert_short4(Y & (INTER_TAB_SIZE-1));
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uchar4 v0, v1, v2,v3;
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int4 scon0, scon1, scon2, scon3;
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int4 spos0, spos1, spos2, spos3;
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scon0 = (sx >= 0 && sx < src_cols && sy >= 0 && sy < src_rows);
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scon1 = (sx+1 >= 0 && sx+1 < src_cols && sy >= 0 && sy < src_rows);
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scon2 = (sx >= 0 && sx < src_cols && sy+1 >= 0 && sy+1 < src_rows);
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scon3 = (sx+1 >= 0 && sx+1 < src_cols && sy+1 >= 0 && sy+1 < src_rows);
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spos0 = src_offset + sy * srcStep + sx;
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spos1 = src_offset + sy * srcStep + sx + 1;
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spos2 = src_offset + (sy+1) * srcStep + sx;
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spos3 = src_offset + (sy+1) * srcStep + sx + 1;
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v0.s0 = scon0.s0 ? src[spos0.s0] : 0;
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v1.s0 = scon1.s0 ? src[spos1.s0] : 0;
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v2.s0 = scon2.s0 ? src[spos2.s0] : 0;
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v3.s0 = scon3.s0 ? src[spos3.s0] : 0;
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v0.s1 = scon0.s1 ? src[spos0.s1] : 0;
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v1.s1 = scon1.s1 ? src[spos1.s1] : 0;
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v2.s1 = scon2.s1 ? src[spos2.s1] : 0;
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v3.s1 = scon3.s1 ? src[spos3.s1] : 0;
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v0.s2 = scon0.s2 ? src[spos0.s2] : 0;
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v1.s2 = scon1.s2 ? src[spos1.s2] : 0;
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v2.s2 = scon2.s2 ? src[spos2.s2] : 0;
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v3.s2 = scon3.s2 ? src[spos3.s2] : 0;
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v0.s3 = scon0.s3 ? src[spos0.s3] : 0;
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v1.s3 = scon1.s3 ? src[spos1.s3] : 0;
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v2.s3 = scon2.s3 ? src[spos2.s3] : 0;
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v3.s3 = scon3.s3 ? src[spos3.s3] : 0;
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short4 itab0, itab1, itab2, itab3;
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float4 taby, tabx;
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taby = INTER_SCALE * convert_float4(ay);
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tabx = INTER_SCALE * convert_float4(ax);
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itab0 = convert_short4_sat(( (1.0f-taby)*(1.0f-tabx) * (float4)INTER_REMAP_COEF_SCALE ));
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itab1 = convert_short4_sat(( (1.0f-taby)*tabx * (float4)INTER_REMAP_COEF_SCALE ));
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itab2 = convert_short4_sat(( taby*(1.0f-tabx) * (float4)INTER_REMAP_COEF_SCALE ));
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itab3 = convert_short4_sat(( taby*tabx * (float4)INTER_REMAP_COEF_SCALE ));
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int4 val;
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uchar4 tval;
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val = convert_int4(v0) * convert_int4(itab0) + convert_int4(v1) * convert_int4(itab1)
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+ convert_int4(v2) * convert_int4(itab2) + convert_int4(v3) * convert_int4(itab3);
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tval = convert_uchar4_sat ( (val + (1 << (INTER_REMAP_COEF_BITS-1))) >> INTER_REMAP_COEF_BITS ) ;
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__global uchar4 * d =(__global uchar4 *)(dst+dst_offset+dy*dstStep+dx);
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uchar4 dval = *d;
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DX = (int4)(dx, dx+1, dx+2, dx+3);
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int4 dcon = DX >= 0 && DX < dst_cols && dy >= 0 && dy < dst_rows;
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dval = convert_uchar4(dcon != 0) ? tval : dval;
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*d = dval;
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}
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}
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__kernel void warpAffineCubic_C1_D0(__global uchar * src, __global uchar * dst, int src_cols, int src_rows,
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int dst_cols, int dst_rows, int srcStep, int dstStep,
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int src_offset, int dst_offset, __constant F * M, int threadCols )
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{
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int dx = get_global_id(0);
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int dy = get_global_id(1);
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if( dx < threadCols && dy < dst_rows)
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{
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int round_delta = ((AB_SCALE>>INTER_BITS)>>1);
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int X0 = rint(M[0] * dx * AB_SCALE);
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int Y0 = rint(M[3] * dx * AB_SCALE);
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X0 += rint((M[1]*dy + M[2]) * AB_SCALE) + round_delta;
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Y0 += rint((M[4]*dy + M[5]) * AB_SCALE) + round_delta;
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int X = X0 >> (AB_BITS - INTER_BITS);
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int Y = Y0 >> (AB_BITS - INTER_BITS);
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short sx = (short)(X >> INTER_BITS) - 1;
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short sy = (short)(Y >> INTER_BITS) - 1;
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short ay = (short)(Y & (INTER_TAB_SIZE-1));
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short ax = (short)(X & (INTER_TAB_SIZE-1));
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|
||||
uchar v[16];
|
||||
int i, j;
|
||||
|
||||
#pragma unroll 4
|
||||
for(i=0; i<4; i++)
|
||||
for(j=0; j<4; j++)
|
||||
{
|
||||
v[i*4+j] = (sx+j >= 0 && sx+j < src_cols && sy+i >= 0 && sy+i < src_rows) ? src[src_offset+(sy+i) * srcStep + (sx+j)] : 0;
|
||||
}
|
||||
|
||||
short itab[16];
|
||||
float tab1y[4], tab1x[4];
|
||||
float axx, ayy;
|
||||
|
||||
ayy = 1.f/INTER_TAB_SIZE * ay;
|
||||
axx = 1.f/INTER_TAB_SIZE * ax;
|
||||
interpolateCubic(ayy, tab1y);
|
||||
interpolateCubic(axx, tab1x);
|
||||
int isum = 0;
|
||||
|
||||
#pragma unroll 16
|
||||
for( i=0; i<16; i++ )
|
||||
{
|
||||
F v = tab1y[(i>>2)] * tab1x[(i&3)];
|
||||
isum += itab[i] = convert_short_sat( rint( v * INTER_REMAP_COEF_SCALE ) );
|
||||
}
|
||||
|
||||
if( isum != INTER_REMAP_COEF_SCALE )
|
||||
{
|
||||
int k1, k2;
|
||||
int diff = isum - INTER_REMAP_COEF_SCALE;
|
||||
int Mk1=2, Mk2=2, mk1=2, mk2=2;
|
||||
for( k1 = 2; k1 < 4; k1++ )
|
||||
for( k2 = 2; k2 < 4; k2++ )
|
||||
{
|
||||
if( itab[(k1<<2)+k2] < itab[(mk1<<2)+mk2] )
|
||||
mk1 = k1, mk2 = k2;
|
||||
else if( itab[(k1<<2)+k2] > itab[(Mk1<<2)+Mk2] )
|
||||
Mk1 = k1, Mk2 = k2;
|
||||
}
|
||||
diff<0 ? (itab[(Mk1<<2)+Mk2]=(short)(itab[(Mk1<<2)+Mk2]-diff)) : (itab[(mk1<<2)+mk2]=(short)(itab[(mk1<<2)+mk2]-diff));
|
||||
}
|
||||
|
||||
if( dx >= 0 && dx < dst_cols && dy >= 0 && dy < dst_rows)
|
||||
{
|
||||
int sum=0;
|
||||
for ( i =0; i<16; i++ )
|
||||
{
|
||||
sum += v[i] * itab[i] ;
|
||||
}
|
||||
dst[dst_offset+dy*dstStep+dx] = convert_uchar_sat( (sum + (1 << (INTER_REMAP_COEF_BITS-1))) >> INTER_REMAP_COEF_BITS ) ;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**********************************************8UC4*********************************************
|
||||
***********************************************************************************************/
|
||||
|
||||
__kernel void warpAffineNN_C4_D0(__global uchar4 const * restrict src, __global uchar4 * dst, int src_cols, int src_rows,
|
||||
int dst_cols, int dst_rows, int srcStep, int dstStep,
|
||||
int src_offset, int dst_offset, __constant F * M, int threadCols )
|
||||
{
|
||||
int dx = get_global_id(0);
|
||||
int dy = get_global_id(1);
|
||||
|
||||
if( dx < threadCols && dy < dst_rows)
|
||||
{
|
||||
int round_delta = (AB_SCALE >> 1);
|
||||
|
||||
int X0 = rint(M[0] * dx * AB_SCALE);
|
||||
int Y0 = rint(M[3] * dx * AB_SCALE);
|
||||
X0 += rint((M[1]*dy + M[2]) * AB_SCALE) + round_delta;
|
||||
Y0 += rint((M[4]*dy + M[5]) * AB_SCALE) + round_delta;
|
||||
|
||||
int sx0 = (short)(X0 >> AB_BITS);
|
||||
int sy0 = (short)(Y0 >> AB_BITS);
|
||||
|
||||
if(dx >= 0 && dx < dst_cols && dy >= 0 && dy < dst_rows)
|
||||
dst[(dst_offset>>2)+dy*(dstStep>>2)+dx]= (sx0>=0 && sx0<src_cols && sy0>=0 && sy0<src_rows) ? src[(src_offset>>2)+sy0*(srcStep>>2)+sx0] : (uchar4)0;
|
||||
}
|
||||
}
|
||||
|
||||
__kernel void warpAffineLinear_C4_D0(__global uchar4 const * restrict src, __global uchar4 * dst, int src_cols, int src_rows,
|
||||
int dst_cols, int dst_rows, int srcStep, int dstStep,
|
||||
int src_offset, int dst_offset, __constant F * M, int threadCols )
|
||||
{
|
||||
int dx = get_global_id(0);
|
||||
int dy = get_global_id(1);
|
||||
|
||||
|
||||
if( dx < threadCols && dy < dst_rows)
|
||||
{
|
||||
int round_delta = AB_SCALE/INTER_TAB_SIZE/2;
|
||||
|
||||
src_offset = (src_offset>>2);
|
||||
srcStep = (srcStep>>2);
|
||||
|
||||
int tmp = (dx << AB_BITS);
|
||||
int X0 = rint(M[0] * tmp);
|
||||
int Y0 = rint(M[3] * tmp);
|
||||
X0 += rint((M[1]*dy + M[2]) * AB_SCALE) + round_delta;
|
||||
Y0 += rint((M[4]*dy + M[5]) * AB_SCALE) + round_delta;
|
||||
X0 = X0 >> (AB_BITS - INTER_BITS);
|
||||
Y0 = Y0 >> (AB_BITS - INTER_BITS);
|
||||
|
||||
short sx0 = (short)(X0 >> INTER_BITS);
|
||||
short sy0 = (short)(Y0 >> INTER_BITS);
|
||||
short ax0 = (short)(X0 & (INTER_TAB_SIZE-1));
|
||||
short ay0 = (short)(Y0 & (INTER_TAB_SIZE-1));
|
||||
|
||||
int4 v0, v1, v2, v3;
|
||||
|
||||
v0 = (sx0 >= 0 && sx0 < src_cols && sy0 >= 0 && sy0 < src_rows) ? convert_int4(src[src_offset+sy0 * srcStep + sx0]) : 0;
|
||||
v1 = (sx0+1 >= 0 && sx0+1 < src_cols && sy0 >= 0 && sy0 < src_rows) ? convert_int4(src[src_offset+sy0 * srcStep + sx0+1]) : 0;
|
||||
v2 = (sx0 >= 0 && sx0 < src_cols && sy0+1 >= 0 && sy0+1 < src_rows) ? convert_int4(src[src_offset+(sy0+1) * srcStep + sx0]) : 0;
|
||||
v3 = (sx0+1 >= 0 && sx0+1 < src_cols && sy0+1 >= 0 && sy0+1 < src_rows) ? convert_int4(src[src_offset+(sy0+1) * srcStep + sx0+1]) : 0;
|
||||
|
||||
int itab0, itab1, itab2, itab3;
|
||||
float taby, tabx;
|
||||
taby = 1.f/INTER_TAB_SIZE*ay0;
|
||||
tabx = 1.f/INTER_TAB_SIZE*ax0;
|
||||
|
||||
itab0 = convert_short_sat(rint( (1.0f-taby)*(1.0f-tabx) * INTER_REMAP_COEF_SCALE ));
|
||||
itab1 = convert_short_sat(rint( (1.0f-taby)*tabx * INTER_REMAP_COEF_SCALE ));
|
||||
itab2 = convert_short_sat(rint( taby*(1.0f-tabx) * INTER_REMAP_COEF_SCALE ));
|
||||
itab3 = convert_short_sat(rint( taby*tabx * INTER_REMAP_COEF_SCALE ));
|
||||
|
||||
int4 val;
|
||||
val = v0 * itab0 + v1 * itab1 + v2 * itab2 + v3 * itab3;
|
||||
|
||||
if(dx >= 0 && dx < dst_cols && dy >= 0 && dy < dst_rows)
|
||||
dst[(dst_offset>>2)+dy*(dstStep>>2)+dx] = convert_uchar4_sat ( (val + (1 << (INTER_REMAP_COEF_BITS-1))) >> INTER_REMAP_COEF_BITS ) ;
|
||||
}
|
||||
}
|
||||
|
||||
__kernel void warpAffineCubic_C4_D0(__global uchar4 const * restrict src, __global uchar4 * dst, int src_cols, int src_rows,
|
||||
int dst_cols, int dst_rows, int srcStep, int dstStep,
|
||||
int src_offset, int dst_offset, __constant F * M, int threadCols )
|
||||
{
|
||||
int dx = get_global_id(0);
|
||||
int dy = get_global_id(1);
|
||||
|
||||
if( dx < threadCols && dy < dst_rows)
|
||||
{
|
||||
int round_delta = ((AB_SCALE>>INTER_BITS)>>1);
|
||||
|
||||
src_offset = (src_offset>>2);
|
||||
srcStep = (srcStep>>2);
|
||||
dst_offset = (dst_offset>>2);
|
||||
dstStep = (dstStep>>2);
|
||||
|
||||
int tmp = (dx << AB_BITS);
|
||||
int X0 = rint(M[0] * tmp);
|
||||
int Y0 = rint(M[3] * tmp);
|
||||
X0 += rint((M[1]*dy + M[2]) * AB_SCALE) + round_delta;
|
||||
Y0 += rint((M[4]*dy + M[5]) * AB_SCALE) + round_delta;
|
||||
X0 = X0 >> (AB_BITS - INTER_BITS);
|
||||
Y0 = Y0 >> (AB_BITS - INTER_BITS);
|
||||
|
||||
int sx = (short)(X0 >> INTER_BITS) - 1;
|
||||
int sy = (short)(Y0 >> INTER_BITS) - 1;
|
||||
int ay = (short)(Y0 & (INTER_TAB_SIZE-1));
|
||||
int ax = (short)(X0 & (INTER_TAB_SIZE-1));
|
||||
|
||||
uchar4 v[16];
|
||||
int i,j;
|
||||
#pragma unroll 4
|
||||
for(i=0; i<4; i++)
|
||||
for(j=0; j<4; j++)
|
||||
{
|
||||
v[i*4+j] = (sx+j >= 0 && sx+j < src_cols && sy+i >= 0 && sy+i < src_rows) ? (src[src_offset+(sy+i) * srcStep + (sx+j)]) : (uchar4)0;
|
||||
}
|
||||
int itab[16];
|
||||
float tab1y[4], tab1x[4];
|
||||
float axx, ayy;
|
||||
|
||||
ayy = INTER_SCALE * ay;
|
||||
axx = INTER_SCALE * ax;
|
||||
interpolateCubic(ayy, tab1y);
|
||||
interpolateCubic(axx, tab1x);
|
||||
int isum = 0;
|
||||
|
||||
#pragma unroll 16
|
||||
for( i=0; i<16; i++ )
|
||||
{
|
||||
float tmp;
|
||||
tmp = tab1y[(i>>2)] * tab1x[(i&3)] * INTER_REMAP_COEF_SCALE;
|
||||
itab[i] = rint(tmp);
|
||||
isum += itab[i];
|
||||
}
|
||||
|
||||
if( isum != INTER_REMAP_COEF_SCALE )
|
||||
{
|
||||
int k1, k2;
|
||||
int diff = isum - INTER_REMAP_COEF_SCALE;
|
||||
int Mk1=2, Mk2=2, mk1=2, mk2=2;
|
||||
|
||||
for( k1 = 2; k1 < 4; k1++ )
|
||||
for( k2 = 2; k2 < 4; k2++ )
|
||||
{
|
||||
|
||||
if( itab[(k1<<2)+k2] < itab[(mk1<<2)+mk2] )
|
||||
mk1 = k1, mk2 = k2;
|
||||
else if( itab[(k1<<2)+k2] > itab[(Mk1<<2)+Mk2] )
|
||||
Mk1 = k1, Mk2 = k2;
|
||||
}
|
||||
|
||||
diff<0 ? (itab[(Mk1<<2)+Mk2]=(short)(itab[(Mk1<<2)+Mk2]-diff)) : (itab[(mk1<<2)+mk2]=(short)(itab[(mk1<<2)+mk2]-diff));
|
||||
}
|
||||
|
||||
if( dx >= 0 && dx < dst_cols && dy >= 0 && dy < dst_rows)
|
||||
{
|
||||
int4 sum=0;
|
||||
for ( i =0; i<16; i++ )
|
||||
{
|
||||
sum += convert_int4(v[i]) * itab[i];
|
||||
}
|
||||
dst[dst_offset+dy*dstStep+dx] = convert_uchar4_sat( (sum + (1 << (INTER_REMAP_COEF_BITS-1))) >> INTER_REMAP_COEF_BITS ) ;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
/**********************************************32FC1********************************************
|
||||
***********************************************************************************************/
|
||||
|
||||
__kernel void warpAffineNN_C1_D5(__global float * src, __global float * dst, int src_cols, int src_rows,
|
||||
int dst_cols, int dst_rows, int srcStep, int dstStep,
|
||||
int src_offset, int dst_offset, __constant F * M, int threadCols )
|
||||
{
|
||||
int dx = get_global_id(0);
|
||||
int dy = get_global_id(1);
|
||||
|
||||
if( dx < threadCols && dy < dst_rows)
|
||||
{
|
||||
int round_delta = AB_SCALE/2;
|
||||
|
||||
int X0 = rint(M[0] * dx * AB_SCALE);
|
||||
int Y0 = rint(M[3] * dx * AB_SCALE);
|
||||
X0 += rint((M[1]*dy + M[2]) * AB_SCALE) + round_delta;
|
||||
Y0 += rint((M[4]*dy + M[5]) * AB_SCALE) + round_delta;
|
||||
|
||||
short sx0 = (short)(X0 >> AB_BITS);
|
||||
short sy0 = (short)(Y0 >> AB_BITS);
|
||||
|
||||
if(dx >= 0 && dx < dst_cols && dy >= 0 && dy < dst_rows)
|
||||
dst[(dst_offset>>2)+dy*dstStep+dx]= (sx0>=0 && sx0<src_cols && sy0>=0 && sy0<src_rows) ? src[(src_offset>>2)+sy0*srcStep+sx0] : 0;
|
||||
}
|
||||
}
|
||||
|
||||
__kernel void warpAffineLinear_C1_D5(__global float * src, __global float * dst, int src_cols, int src_rows,
|
||||
int dst_cols, int dst_rows, int srcStep, int dstStep,
|
||||
int src_offset, int dst_offset, __constant F * M, int threadCols )
|
||||
{
|
||||
int dx = get_global_id(0);
|
||||
int dy = get_global_id(1);
|
||||
|
||||
if( dx < threadCols && dy < dst_rows)
|
||||
{
|
||||
int round_delta = AB_SCALE/INTER_TAB_SIZE/2;
|
||||
|
||||
src_offset = (src_offset>>2);
|
||||
|
||||
int X0 = rint(M[0] * dx * AB_SCALE);
|
||||
int Y0 = rint(M[3] * dx * AB_SCALE);
|
||||
X0 += rint((M[1]*dy + M[2]) * AB_SCALE) + round_delta;
|
||||
Y0 += rint((M[4]*dy + M[5]) * AB_SCALE) + round_delta;
|
||||
X0 = X0 >> (AB_BITS - INTER_BITS);
|
||||
Y0 = Y0 >> (AB_BITS - INTER_BITS);
|
||||
|
||||
short sx0 = (short)(X0 >> INTER_BITS);
|
||||
short sy0 = (short)(Y0 >> INTER_BITS);
|
||||
short ax0 = (short)(X0 & (INTER_TAB_SIZE-1));
|
||||
short ay0 = (short)(Y0 & (INTER_TAB_SIZE-1));
|
||||
|
||||
float v0, v1, v2, v3;
|
||||
|
||||
v0 = (sx0 >= 0 && sx0 < src_cols && sy0 >= 0 && sy0 < src_rows) ? src[src_offset+sy0 * srcStep + sx0] : 0;
|
||||
v1 = (sx0+1 >= 0 && sx0+1 < src_cols && sy0 >= 0 && sy0 < src_rows) ? src[src_offset+sy0 * srcStep + sx0+1] : 0;
|
||||
v2 = (sx0 >= 0 && sx0 < src_cols && sy0+1 >= 0 && sy0+1 < src_rows) ? src[src_offset+(sy0+1) * srcStep + sx0] : 0;
|
||||
v3 = (sx0+1 >= 0 && sx0+1 < src_cols && sy0+1 >= 0 && sy0+1 < src_rows) ? src[src_offset+(sy0+1) * srcStep + sx0+1] : 0;
|
||||
|
||||
float tab[4];
|
||||
float taby[2], tabx[2];
|
||||
taby[0] = 1.0f - 1.f/INTER_TAB_SIZE*ay0;
|
||||
taby[1] = 1.f/INTER_TAB_SIZE*ay0;
|
||||
tabx[0] = 1.0f - 1.f/INTER_TAB_SIZE*ax0;
|
||||
tabx[1] = 1.f/INTER_TAB_SIZE*ax0;
|
||||
|
||||
tab[0] = taby[0] * tabx[0];
|
||||
tab[1] = taby[0] * tabx[1];
|
||||
tab[2] = taby[1] * tabx[0];
|
||||
tab[3] = taby[1] * tabx[1];
|
||||
|
||||
float sum = 0;
|
||||
sum += v0 * tab[0] + v1 * tab[1] + v2 * tab[2] + v3 * tab[3];
|
||||
if(dx >= 0 && dx < dst_cols && dy >= 0 && dy < dst_rows)
|
||||
dst[(dst_offset>>2)+dy*dstStep+dx] = sum;
|
||||
}
|
||||
}
|
||||
|
||||
__kernel void warpAffineCubic_C1_D5(__global float * src, __global float * dst, int src_cols, int src_rows,
|
||||
int dst_cols, int dst_rows, int srcStep, int dstStep,
|
||||
int src_offset, int dst_offset, __constant F * M, int threadCols )
|
||||
{
|
||||
int dx = get_global_id(0);
|
||||
int dy = get_global_id(1);
|
||||
|
||||
if( dx < threadCols && dy < dst_rows)
|
||||
{
|
||||
int round_delta = AB_SCALE/INTER_TAB_SIZE/2;
|
||||
|
||||
src_offset = (src_offset>>2);
|
||||
dst_offset = (dst_offset>>2);
|
||||
|
||||
int X0 = rint(M[0] * dx * AB_SCALE);
|
||||
int Y0 = rint(M[3] * dx * AB_SCALE);
|
||||
X0 += rint((M[1]*dy + M[2]) * AB_SCALE) + round_delta;
|
||||
Y0 += rint((M[4]*dy + M[5]) * AB_SCALE) + round_delta;
|
||||
X0 = X0 >> (AB_BITS - INTER_BITS);
|
||||
Y0 = Y0 >> (AB_BITS - INTER_BITS);
|
||||
|
||||
short sx = (short)(X0 >> INTER_BITS) - 1;
|
||||
short sy = (short)(Y0 >> INTER_BITS) - 1;
|
||||
short ay = (short)(Y0 & (INTER_TAB_SIZE-1));
|
||||
short ax = (short)(X0 & (INTER_TAB_SIZE-1));
|
||||
|
||||
float v[16];
|
||||
int i;
|
||||
|
||||
for(i=0; i<16; i++)
|
||||
v[i] = (sx+(i&3) >= 0 && sx+(i&3) < src_cols && sy+(i>>2) >= 0 && sy+(i>>2) < src_rows) ? src[src_offset+(sy+(i>>2)) * srcStep + (sx+(i&3))] : 0;
|
||||
|
||||
float tab[16];
|
||||
float tab1y[4], tab1x[4];
|
||||
float axx, ayy;
|
||||
|
||||
ayy = 1.f/INTER_TAB_SIZE * ay;
|
||||
axx = 1.f/INTER_TAB_SIZE * ax;
|
||||
interpolateCubic(ayy, tab1y);
|
||||
interpolateCubic(axx, tab1x);
|
||||
|
||||
#pragma unroll 4
|
||||
for( i=0; i<16; i++ )
|
||||
{
|
||||
tab[i] = tab1y[(i>>2)] * tab1x[(i&3)];
|
||||
}
|
||||
|
||||
if( dx >= 0 && dx < dst_cols && dy >= 0 && dy < dst_rows)
|
||||
{
|
||||
float sum = 0;
|
||||
#pragma unroll 4
|
||||
for ( i =0; i<16; i++ )
|
||||
{
|
||||
sum += v[i] * tab[i];
|
||||
}
|
||||
dst[dst_offset+dy*dstStep+dx] = sum;
|
||||
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
/**********************************************32FC4********************************************
|
||||
***********************************************************************************************/
|
||||
|
||||
__kernel void warpAffineNN_C4_D5(__global float4 * src, __global float4 * dst, int src_cols, int src_rows,
|
||||
int dst_cols, int dst_rows, int srcStep, int dstStep,
|
||||
int src_offset, int dst_offset, __constant F * M, int threadCols )
|
||||
{
|
||||
int dx = get_global_id(0);
|
||||
int dy = get_global_id(1);
|
||||
|
||||
if( dx < threadCols && dy < dst_rows)
|
||||
{
|
||||
int round_delta = AB_SCALE/2;
|
||||
|
||||
int X0 = rint(M[0] * dx * AB_SCALE);
|
||||
int Y0 = rint(M[3] * dx * AB_SCALE);
|
||||
X0 += rint((M[1]*dy + M[2]) * AB_SCALE) + round_delta;
|
||||
Y0 += rint((M[4]*dy + M[5]) * AB_SCALE) + round_delta;
|
||||
|
||||
short sx0 = (short)(X0 >> AB_BITS);
|
||||
short sy0 = (short)(Y0 >> AB_BITS);
|
||||
|
||||
if(dx >= 0 && dx < dst_cols && dy >= 0 && dy < dst_rows)
|
||||
dst[(dst_offset>>4)+dy*(dstStep>>2)+dx]= (sx0>=0 && sx0<src_cols && sy0>=0 && sy0<src_rows) ? src[(src_offset>>4)+sy0*(srcStep>>2)+sx0] : (float4)0;
|
||||
}
|
||||
}
|
||||
|
||||
__kernel void warpAffineLinear_C4_D5(__global float4 * src, __global float4 * dst, int src_cols, int src_rows,
|
||||
int dst_cols, int dst_rows, int srcStep, int dstStep,
|
||||
int src_offset, int dst_offset, __constant F * M, int threadCols )
|
||||
{
|
||||
int dx = get_global_id(0);
|
||||
int dy = get_global_id(1);
|
||||
|
||||
if( dx < threadCols && dy < dst_rows)
|
||||
{
|
||||
int round_delta = AB_SCALE/INTER_TAB_SIZE/2;
|
||||
|
||||
src_offset = (src_offset>>4);
|
||||
dst_offset = (dst_offset>>4);
|
||||
srcStep = (srcStep>>2);
|
||||
dstStep = (dstStep>>2);
|
||||
|
||||
int X0 = rint(M[0] * dx * AB_SCALE);
|
||||
int Y0 = rint(M[3] * dx * AB_SCALE);
|
||||
X0 += rint((M[1]*dy + M[2]) * AB_SCALE) + round_delta;
|
||||
Y0 += rint((M[4]*dy + M[5]) * AB_SCALE) + round_delta;
|
||||
X0 = X0 >> (AB_BITS - INTER_BITS);
|
||||
Y0 = Y0 >> (AB_BITS - INTER_BITS);
|
||||
|
||||
short sx0 = (short)(X0 >> INTER_BITS);
|
||||
short sy0 = (short)(Y0 >> INTER_BITS);
|
||||
short ax0 = (short)(X0 & (INTER_TAB_SIZE-1));
|
||||
short ay0 = (short)(Y0 & (INTER_TAB_SIZE-1));
|
||||
|
||||
float4 v0, v1, v2, v3;
|
||||
|
||||
v0 = (sx0 >= 0 && sx0 < src_cols && sy0 >= 0 && sy0 < src_rows) ? src[src_offset+sy0 * srcStep + sx0] : (float4)0;
|
||||
v1 = (sx0+1 >= 0 && sx0+1 < src_cols && sy0 >= 0 && sy0 < src_rows) ? src[src_offset+sy0 * srcStep + sx0+1] : (float4)0;
|
||||
v2 = (sx0 >= 0 && sx0 < src_cols && sy0+1 >= 0 && sy0+1 < src_rows) ? src[src_offset+(sy0+1) * srcStep + sx0] : (float4)0;
|
||||
v3 = (sx0+1 >= 0 && sx0+1 < src_cols && sy0+1 >= 0 && sy0+1 < src_rows) ? src[src_offset+(sy0+1) * srcStep + sx0+1] : (float4)0;
|
||||
|
||||
float tab[4];
|
||||
float taby[2], tabx[2];
|
||||
taby[0] = 1.0f - 1.f/INTER_TAB_SIZE*ay0;
|
||||
taby[1] = 1.f/INTER_TAB_SIZE*ay0;
|
||||
tabx[0] = 1.0f - 1.f/INTER_TAB_SIZE*ax0;
|
||||
tabx[1] = 1.f/INTER_TAB_SIZE*ax0;
|
||||
|
||||
tab[0] = taby[0] * tabx[0];
|
||||
tab[1] = taby[0] * tabx[1];
|
||||
tab[2] = taby[1] * tabx[0];
|
||||
tab[3] = taby[1] * tabx[1];
|
||||
|
||||
float4 sum = 0;
|
||||
sum += v0 * tab[0] + v1 * tab[1] + v2 * tab[2] + v3 * tab[3];
|
||||
if(dx >= 0 && dx < dst_cols && dy >= 0 && dy < dst_rows)
|
||||
dst[dst_offset+dy*dstStep+dx] = sum;
|
||||
}
|
||||
}
|
||||
|
||||
__kernel void warpAffineCubic_C4_D5(__global float4 * src, __global float4 * dst, int src_cols, int src_rows,
|
||||
int dst_cols, int dst_rows, int srcStep, int dstStep,
|
||||
int src_offset, int dst_offset, __constant F * M, int threadCols )
|
||||
{
|
||||
int dx = get_global_id(0);
|
||||
int dy = get_global_id(1);
|
||||
|
||||
if( dx < threadCols && dy < dst_rows)
|
||||
{
|
||||
int round_delta = AB_SCALE/INTER_TAB_SIZE/2;
|
||||
|
||||
src_offset = (src_offset>>4);
|
||||
dst_offset = (dst_offset>>4);
|
||||
srcStep = (srcStep>>2);
|
||||
dstStep = (dstStep>>2);
|
||||
|
||||
int X0 = rint(M[0] * dx * AB_SCALE);
|
||||
int Y0 = rint(M[3] * dx * AB_SCALE);
|
||||
X0 += rint((M[1]*dy + M[2]) * AB_SCALE) + round_delta;
|
||||
Y0 += rint((M[4]*dy + M[5]) * AB_SCALE) + round_delta;
|
||||
X0 = X0 >> (AB_BITS - INTER_BITS);
|
||||
Y0 = Y0 >> (AB_BITS - INTER_BITS);
|
||||
|
||||
short sx = (short)(X0 >> INTER_BITS) - 1;
|
||||
short sy = (short)(Y0 >> INTER_BITS) - 1;
|
||||
short ay = (short)(Y0 & (INTER_TAB_SIZE-1));
|
||||
short ax = (short)(X0 & (INTER_TAB_SIZE-1));
|
||||
|
||||
float4 v[16];
|
||||
int i;
|
||||
|
||||
for(i=0; i<16; i++)
|
||||
v[i] = (sx+(i&3) >= 0 && sx+(i&3) < src_cols && sy+(i>>2) >= 0 && sy+(i>>2) < src_rows) ? src[src_offset+(sy+(i>>2)) * srcStep + (sx+(i&3))] : (float4)0;
|
||||
|
||||
float tab[16];
|
||||
float tab1y[4], tab1x[4];
|
||||
float axx, ayy;
|
||||
|
||||
ayy = 1.f/INTER_TAB_SIZE * ay;
|
||||
axx = 1.f/INTER_TAB_SIZE * ax;
|
||||
interpolateCubic(ayy, tab1y);
|
||||
interpolateCubic(axx, tab1x);
|
||||
|
||||
#pragma unroll 4
|
||||
for( i=0; i<16; i++ )
|
||||
{
|
||||
tab[i] = tab1y[(i>>2)] * tab1x[(i&3)];
|
||||
}
|
||||
|
||||
if( dx >= 0 && dx < dst_cols && dy >= 0 && dy < dst_rows)
|
||||
{
|
||||
float4 sum = 0;
|
||||
#pragma unroll 4
|
||||
for ( i =0; i<16; i++ )
|
||||
{
|
||||
sum += v[i] * tab[i];
|
||||
}
|
||||
dst[dst_offset+dy*dstStep+dx] = sum;
|
||||
|
||||
}
|
||||
}
|
||||
}
|
||||
223
modules/imgproc/src/opencl/warp_perspective.cl
Normal file
223
modules/imgproc/src/opencl/warp_perspective.cl
Normal file
@ -0,0 +1,223 @@
|
||||
/*M///////////////////////////////////////////////////////////////////////////////////////
|
||||
//
|
||||
// IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
|
||||
//
|
||||
// By downloading, copying, installing or using the software you agree to this license.
|
||||
// If you do not agree to this license, do not download, install,
|
||||
// copy or use the software.
|
||||
//
|
||||
//
|
||||
// License Agreement
|
||||
// For Open Source Computer Vision Library
|
||||
//
|
||||
// Copyright (C) 2010-2012, Institute Of Software Chinese Academy Of Science, all rights reserved.
|
||||
// Copyright (C) 2010-2012, Advanced Micro Devices, Inc., all rights reserved.
|
||||
// Third party copyrights are property of their respective owners.
|
||||
//
|
||||
// @Authors
|
||||
// Zhang Ying, zhangying913@gmail.com
|
||||
//
|
||||
// Redistribution and use in source and binary forms, with or without modification,
|
||||
// are permitted provided that the following conditions are met:
|
||||
//
|
||||
// * Redistribution's of source code must retain the above copyright notice,
|
||||
// this list of conditions and the following disclaimer.
|
||||
//
|
||||
// * Redistribution's in binary form must reproduce the above copyright notice,
|
||||
// this list of conditions and the following disclaimer in the documentation
|
||||
// and/or other materials provided with the distribution.
|
||||
//
|
||||
// * The name of the copyright holders may not be used to endorse or promote products
|
||||
// derived from this software without specific prior written permission.
|
||||
//
|
||||
// This software is provided by the copyright holders and contributors as is and
|
||||
// any express or implied warranties, including, but not limited to, the implied
|
||||
// warranties of merchantability and fitness for a particular purpose are disclaimed.
|
||||
// In no event shall the Intel Corporation or contributors be liable for any direct,
|
||||
// indirect, incidental, special, exemplary, or consequential damages
|
||||
// (including, but not limited to, procurement of substitute goods or services;
|
||||
// loss of use, data, or profits; or business interruption) however caused
|
||||
// and on any theory of liability, whether in contract, strict liability,
|
||||
// or tort (including negligence or otherwise) arising in any way out of
|
||||
// the use of this software, even if advised of the possibility of such damage.
|
||||
//
|
||||
//M*/
|
||||
|
||||
#ifdef DOUBLE_SUPPORT
|
||||
#ifdef cl_amd_fp64
|
||||
#pragma OPENCL EXTENSION cl_amd_fp64:enable
|
||||
#elif defined (cl_khr_fp64)
|
||||
#pragma OPENCL EXTENSION cl_khr_fp64:enable
|
||||
#endif
|
||||
#define CT double
|
||||
#else
|
||||
#define CT float
|
||||
#endif
|
||||
|
||||
#define INTER_BITS 5
|
||||
#define INTER_TAB_SIZE (1 << INTER_BITS)
|
||||
#define INTER_SCALE 1.f / INTER_TAB_SIZE
|
||||
#define AB_BITS max(10, (int)INTER_BITS)
|
||||
#define AB_SCALE (1 << AB_BITS)
|
||||
#define INTER_REMAP_COEF_BITS 15
|
||||
#define INTER_REMAP_COEF_SCALE (1 << INTER_REMAP_COEF_BITS)
|
||||
|
||||
#define noconvert
|
||||
|
||||
#ifdef INTER_NEAREST
|
||||
|
||||
__kernel void warpPerspective(__global const uchar * srcptr, int src_step, int src_offset, int src_rows, int src_cols,
|
||||
__global uchar * dstptr, int dst_step, int dst_offset, int dst_rows, int dst_cols,
|
||||
__constant CT * M, T scalar)
|
||||
{
|
||||
int dx = get_global_id(0);
|
||||
int dy = get_global_id(1);
|
||||
|
||||
if (dx < dst_cols && dy < dst_rows)
|
||||
{
|
||||
CT X0 = M[0] * dx + M[1] * dy + M[2];
|
||||
CT Y0 = M[3] * dx + M[4] * dy + M[5];
|
||||
CT W = M[6] * dx + M[7] * dy + M[8];
|
||||
W = W != 0.0f ? 1.f / W : 0.0f;
|
||||
short sx = convert_short_sat_rte(X0*W);
|
||||
short sy = convert_short_sat_rte(Y0*W);
|
||||
|
||||
int dst_index = mad24(dy, dst_step, dx * (int)sizeof(T) + dst_offset);
|
||||
__global T * dst = (__global T *)(dstptr + dst_index);
|
||||
|
||||
if (sx >= 0 && sx < src_cols && sy >= 0 && sy < src_rows)
|
||||
{
|
||||
int src_index = mad24(sy, src_step, sx * (int)sizeof(T) + src_offset);
|
||||
__global const T * src = (__global const T *)(srcptr + src_index);
|
||||
dst[0] = src[0];
|
||||
}
|
||||
else
|
||||
dst[0] = scalar;
|
||||
}
|
||||
}
|
||||
|
||||
#elif defined INTER_LINEAR
|
||||
|
||||
__kernel void warpPerspective(__global const uchar * srcptr, int src_step, int src_offset, int src_rows, int src_cols,
|
||||
__global uchar * dstptr, int dst_step, int dst_offset, int dst_rows, int dst_cols,
|
||||
__constant CT * M, WT scalar)
|
||||
{
|
||||
int dx = get_global_id(0);
|
||||
int dy = get_global_id(1);
|
||||
|
||||
if (dx < dst_cols && dy < dst_rows)
|
||||
{
|
||||
CT X0 = M[0] * dx + M[1] * dy + M[2];
|
||||
CT Y0 = M[3] * dx + M[4] * dy + M[5];
|
||||
CT W = M[6] * dx + M[7] * dy + M[8];
|
||||
W = W != 0.0f ? INTER_TAB_SIZE / W : 0.0f;
|
||||
int X = rint(X0 * W), Y = rint(Y0 * W);
|
||||
|
||||
short sx = convert_short_sat(X >> INTER_BITS);
|
||||
short sy = convert_short_sat(Y >> INTER_BITS);
|
||||
short ay = (short)(Y & (INTER_TAB_SIZE - 1));
|
||||
short ax = (short)(X & (INTER_TAB_SIZE - 1));
|
||||
|
||||
WT v0 = (sx >= 0 && sx < src_cols && sy >= 0 && sy < src_rows) ?
|
||||
convertToWT(*(__global const T *)(srcptr + mad24(sy, src_step, src_offset + sx * (int)sizeof(T)))) : scalar;
|
||||
WT v1 = (sx+1 >= 0 && sx+1 < src_cols && sy >= 0 && sy < src_rows) ?
|
||||
convertToWT(*(__global const T *)(srcptr + mad24(sy, src_step, src_offset + (sx+1) * (int)sizeof(T)))) : scalar;
|
||||
WT v2 = (sx >= 0 && sx < src_cols && sy+1 >= 0 && sy+1 < src_rows) ?
|
||||
convertToWT(*(__global const T *)(srcptr + mad24(sy+1, src_step, src_offset + sx * (int)sizeof(T)))) : scalar;
|
||||
WT v3 = (sx+1 >= 0 && sx+1 < src_cols && sy+1 >= 0 && sy+1 < src_rows) ?
|
||||
convertToWT(*(__global const T *)(srcptr + mad24(sy+1, src_step, src_offset + (sx+1) * (int)sizeof(T)))) : scalar;
|
||||
|
||||
float taby = 1.f/INTER_TAB_SIZE*ay;
|
||||
float tabx = 1.f/INTER_TAB_SIZE*ax;
|
||||
|
||||
int dst_index = mad24(dy, dst_step, dst_offset + dx * (int)sizeof(T));
|
||||
__global T * dst = (__global T *)(dstptr + dst_index);
|
||||
|
||||
#if depth <= 4
|
||||
int itab0 = convert_short_sat_rte( (1.0f-taby)*(1.0f-tabx) * INTER_REMAP_COEF_SCALE );
|
||||
int itab1 = convert_short_sat_rte( (1.0f-taby)*tabx * INTER_REMAP_COEF_SCALE );
|
||||
int itab2 = convert_short_sat_rte( taby*(1.0f-tabx) * INTER_REMAP_COEF_SCALE );
|
||||
int itab3 = convert_short_sat_rte( taby*tabx * INTER_REMAP_COEF_SCALE );
|
||||
|
||||
WT val = v0 * itab0 + v1 * itab1 + v2 * itab2 + v3 * itab3;
|
||||
dst[0] = convertToT((val + (1 << (INTER_REMAP_COEF_BITS-1))) >> INTER_REMAP_COEF_BITS);
|
||||
#else
|
||||
float tabx2 = 1.0f - tabx, taby2 = 1.0f - taby;
|
||||
WT val = v0 * tabx2 * taby2 + v1 * tabx * taby2 + v2 * tabx2 * taby + v3 * tabx * taby;
|
||||
dst[0] = convertToT(val);
|
||||
#endif
|
||||
}
|
||||
}
|
||||
|
||||
#elif defined INTER_CUBIC
|
||||
|
||||
inline void interpolateCubic( float x, float* coeffs )
|
||||
{
|
||||
const float A = -0.75f;
|
||||
|
||||
coeffs[0] = ((A*(x + 1.f) - 5.0f*A)*(x + 1.f) + 8.0f*A)*(x + 1.f) - 4.0f*A;
|
||||
coeffs[1] = ((A + 2.f)*x - (A + 3.f))*x*x + 1.f;
|
||||
coeffs[2] = ((A + 2.f)*(1.f - x) - (A + 3.f))*(1.f - x)*(1.f - x) + 1.f;
|
||||
coeffs[3] = 1.f - coeffs[0] - coeffs[1] - coeffs[2];
|
||||
}
|
||||
|
||||
__kernel void warpPerspective(__global const uchar * srcptr, int src_step, int src_offset, int src_rows, int src_cols,
|
||||
__global uchar * dstptr, int dst_step, int dst_offset, int dst_rows, int dst_cols,
|
||||
__constant CT * M, WT scalar)
|
||||
{
|
||||
int dx = get_global_id(0);
|
||||
int dy = get_global_id(1);
|
||||
|
||||
if (dx < dst_cols && dy < dst_rows)
|
||||
{
|
||||
CT X0 = M[0] * dx + M[1] * dy + M[2];
|
||||
CT Y0 = M[3] * dx + M[4] * dy + M[5];
|
||||
CT W = M[6] * dx + M[7] * dy + M[8];
|
||||
W = W != 0.0f ? INTER_TAB_SIZE / W : 0.0f;
|
||||
int X = rint(X0 * W), Y = rint(Y0 * W);
|
||||
|
||||
short sx = convert_short_sat(X >> INTER_BITS) - 1;
|
||||
short sy = convert_short_sat(Y >> INTER_BITS) - 1;
|
||||
short ay = (short)(Y & (INTER_TAB_SIZE-1));
|
||||
short ax = (short)(X & (INTER_TAB_SIZE-1));
|
||||
|
||||
WT v[16];
|
||||
#pragma unroll
|
||||
for (int y = 0; y < 4; y++)
|
||||
#pragma unroll
|
||||
for (int x = 0; x < 4; x++)
|
||||
v[mad24(y, 4, x)] = (sx+x >= 0 && sx+x < src_cols && sy+y >= 0 && sy+y < src_rows) ?
|
||||
convertToWT(*(__global const T *)(srcptr + mad24(sy+y, src_step, src_offset + (sx+x) * (int)sizeof(T)))) : scalar;
|
||||
|
||||
float tab1y[4], tab1x[4];
|
||||
|
||||
float ayy = INTER_SCALE * ay;
|
||||
float axx = INTER_SCALE * ax;
|
||||
interpolateCubic(ayy, tab1y);
|
||||
interpolateCubic(axx, tab1x);
|
||||
|
||||
int dst_index = mad24(dy, dst_step, dst_offset + dx * (int)sizeof(T));
|
||||
__global T * dst = (__global T *)(dstptr + dst_index);
|
||||
|
||||
WT sum = (WT)(0);
|
||||
#if depth <= 4
|
||||
int itab[16];
|
||||
|
||||
#pragma unroll
|
||||
for (int i = 0; i < 16; i++)
|
||||
itab[i] = rint(tab1y[(i>>2)] * tab1x[(i&3)] * INTER_REMAP_COEF_SCALE);
|
||||
|
||||
#pragma unroll
|
||||
for (int i = 0; i < 16; i++)
|
||||
sum += v[i] * itab[i];
|
||||
dst[0] = convertToT( (sum + (1 << (INTER_REMAP_COEF_BITS-1))) >> INTER_REMAP_COEF_BITS );
|
||||
#else
|
||||
#pragma unroll
|
||||
for (int i = 0; i < 16; i++)
|
||||
sum += v[i] * tab1y[(i>>2)] * tab1x[(i&3)];
|
||||
dst[0] = convertToT( sum );
|
||||
#endif
|
||||
}
|
||||
}
|
||||
|
||||
#endif
|
||||
@ -61,7 +61,99 @@ namespace cvtest {
|
||||
namespace ocl {
|
||||
|
||||
/////////////////////////////////////////////////////////////////////////////////////////////////
|
||||
// resize
|
||||
// warpAffine & warpPerspective
|
||||
|
||||
PARAM_TEST_CASE(WarpTestBase, MatType, Interpolation, bool, bool)
|
||||
{
|
||||
int type, interpolation;
|
||||
Size dsize;
|
||||
bool useRoi, mapInverse;
|
||||
|
||||
TEST_DECLARE_INPUT_PARATEMER(src)
|
||||
TEST_DECLARE_OUTPUT_PARATEMER(dst)
|
||||
|
||||
virtual void SetUp()
|
||||
{
|
||||
type = GET_PARAM(0);
|
||||
interpolation = GET_PARAM(1);
|
||||
mapInverse = GET_PARAM(2);
|
||||
useRoi = GET_PARAM(3);
|
||||
|
||||
if (mapInverse)
|
||||
interpolation |= WARP_INVERSE_MAP;
|
||||
}
|
||||
|
||||
void random_roi()
|
||||
{
|
||||
dsize = randomSize(1, MAX_VALUE);
|
||||
|
||||
Size roiSize = randomSize(1, MAX_VALUE);
|
||||
Border srcBorder = randomBorder(0, useRoi ? MAX_VALUE : 0);
|
||||
randomSubMat(src, src_roi, roiSize, srcBorder, type, -MAX_VALUE, MAX_VALUE);
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|
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Border dstBorder = randomBorder(0, useRoi ? MAX_VALUE : 0);
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randomSubMat(dst, dst_roi, dsize, dstBorder, type, -MAX_VALUE, MAX_VALUE);
|
||||
|
||||
UMAT_UPLOAD_INPUT_PARAMETER(src)
|
||||
UMAT_UPLOAD_OUTPUT_PARAMETER(dst)
|
||||
}
|
||||
|
||||
void Near(double threshold = 0.0)
|
||||
{
|
||||
EXPECT_MAT_NEAR(dst, udst, threshold);
|
||||
EXPECT_MAT_NEAR(dst_roi, udst_roi, threshold);
|
||||
}
|
||||
};
|
||||
|
||||
/////warpAffine
|
||||
|
||||
typedef WarpTestBase WarpAffine;
|
||||
|
||||
OCL_TEST_P(WarpAffine, Mat)
|
||||
{
|
||||
for (int j = 0; j < test_loop_times; j++)
|
||||
{
|
||||
random_roi();
|
||||
|
||||
Mat M = getRotationMatrix2D(Point2f(src_roi.cols / 2.0f, src_roi.rows / 2.0f),
|
||||
rng.uniform(-180.f, 180.f), rng.uniform(0.4f, 2.0f));
|
||||
|
||||
OCL_OFF(cv::warpAffine(src_roi, dst_roi, M, dsize, interpolation));
|
||||
OCL_ON(cv::warpAffine(usrc_roi, udst_roi, M, dsize, interpolation));
|
||||
|
||||
Near(1.0);
|
||||
}
|
||||
}
|
||||
|
||||
//// warpPerspective
|
||||
|
||||
typedef WarpTestBase WarpPerspective;
|
||||
|
||||
OCL_TEST_P(WarpPerspective, Mat)
|
||||
{
|
||||
for (int j = 0; j < test_loop_times; j++)
|
||||
{
|
||||
random_roi();
|
||||
|
||||
float cols = static_cast<float>(src_roi.cols), rows = static_cast<float>(src_roi.rows);
|
||||
float cols2 = cols / 2.0f, rows2 = rows / 2.0f;
|
||||
Point2f sp[] = { Point2f(0.0f, 0.0f), Point2f(cols, 0.0f), Point2f(0.0f, rows), Point2f(cols, rows) };
|
||||
Point2f dp[] = { Point2f(rng.uniform(0.0f, cols2), rng.uniform(0.0f, rows2)),
|
||||
Point2f(rng.uniform(cols2, cols), rng.uniform(0.0f, rows2)),
|
||||
Point2f(rng.uniform(0.0f, cols2), rng.uniform(rows2, rows)),
|
||||
Point2f(rng.uniform(cols2, cols), rng.uniform(rows2, rows)) };
|
||||
Mat M = getPerspectiveTransform(sp, dp);
|
||||
|
||||
OCL_OFF(cv::warpPerspective(src_roi, dst_roi, M, dsize, interpolation));
|
||||
OCL_ON(cv::warpPerspective(usrc_roi, udst_roi, M, dsize, interpolation));
|
||||
|
||||
Near(1.0);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
/////////////////////////////////////////////////////////////////////////////////////////////////
|
||||
//// resize
|
||||
|
||||
PARAM_TEST_CASE(Resize, MatType, double, double, Interpolation, bool)
|
||||
{
|
||||
@ -127,10 +219,22 @@ OCL_TEST_P(Resize, Mat)
|
||||
|
||||
/////////////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
OCL_INSTANTIATE_TEST_CASE_P(ImgprocWarpResize, Resize, Combine(
|
||||
Values((MatType)CV_8UC1, CV_8UC4, CV_32FC1, CV_32FC4),
|
||||
Values(0.7, 0.4, 2.0),
|
||||
Values(0.3, 0.6, 2.0),
|
||||
OCL_INSTANTIATE_TEST_CASE_P(ImgprocWarp, WarpAffine, Combine(
|
||||
Values(CV_8UC1, CV_8UC3, CV_8UC4, CV_32FC1, CV_32FC3, CV_32FC4),
|
||||
Values((Interpolation)INTER_NEAREST, (Interpolation)INTER_LINEAR, (Interpolation)INTER_CUBIC),
|
||||
Bool(),
|
||||
Bool()));
|
||||
|
||||
OCL_INSTANTIATE_TEST_CASE_P(ImgprocWarp, WarpPerspective, Combine(
|
||||
Values(CV_8UC1, CV_8UC3, CV_8UC4, CV_32FC1, CV_32FC3, CV_32FC4),
|
||||
Values((Interpolation)INTER_NEAREST, (Interpolation)INTER_LINEAR, (Interpolation)INTER_CUBIC),
|
||||
Bool(),
|
||||
Bool()));
|
||||
|
||||
OCL_INSTANTIATE_TEST_CASE_P(ImgprocWarp, Resize, Combine(
|
||||
Values(CV_8UC1, CV_8UC4, CV_16UC2, CV_32FC1, CV_32FC4),
|
||||
Values(0.5, 1.5, 2.0),
|
||||
Values(0.5, 1.5, 2.0),
|
||||
Values((Interpolation)INTER_NEAREST, (Interpolation)INTER_LINEAR),
|
||||
Bool()));
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user