Merge pull request #9082 from terfendail:imgwarp_avx

AVX and SSE4.1 optimized implementation of resize and warp functions migrated

modules/imgproc/src/imgwarp.hpp

+/*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) 2000-2008, Intel Corporation, all rights reserved.
+// Copyright (C) 2009, Willow Garage Inc., all rights reserved.
+// Copyright (C) 2014-2015, Itseez Inc., all rights reserved.
+// Third party copyrights are property of their respective owners.
+//
+// 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
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+// 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*/
+
+/* ////////////////////////////////////////////////////////////////////
+//
+//  Geometrical transforms on images and matrices: rotation, zoom etc.
+//
+// */
+
+#ifndef OPENCV_IMGPROC_IMGWARP_HPP
+#define OPENCV_IMGPROC_IMGWARP_HPP
+#include "precomp.hpp"
+
+namespace cv
+{
+namespace opt_AVX2
+{
+#if CV_TRY_AVX2
+void resizeNN2_AVX2(const Range&, const Mat&, Mat&, int*, int, double);
+void resizeNN4_AVX2(const Range&, const Mat&, Mat&, int*, int, double);
+int warpAffineBlockline(int *adelta, int *bdelta, short* xy, short* alpha, int X0, int Y0, int bw);
+#endif
+}
+
+namespace opt_SSE4_1
+{
+#if CV_TRY_SSE4_1
+void resizeNN2_SSE4_1(const Range&, const Mat&, Mat&, int*, int, double);
+void resizeNN4_SSE4_1(const Range&, const Mat&, Mat&, int*, int, double);
+
+int VResizeLanczos4Vec_32f16u_SSE41(const uchar** _src, uchar* _dst, const uchar* _beta, int width);
+void convertMaps_nninterpolate32f1c16s_SSE41(const float* src1f, const float* src2f, short* dst1, int width);
+void convertMaps_32f1c16s_SSE41(const float* src1f, const float* src2f, short* dst1, ushort* dst2, int width);
+void convertMaps_32f2c16s_SSE41(const float* src1f, short* dst1, ushort* dst2, int width);
+void WarpAffineInvoker_Blockline_SSE41(int *adelta, int *bdelta, short* xy, int X0, int Y0, int bw);
+
+class WarpPerspectiveLine_SSE4
+{
+public:
+    static Ptr<WarpPerspectiveLine_SSE4> getImpl(const double *M);
+    virtual void processNN(const double *M, short* xy, double X0, double Y0, double W0, int bw) = 0;
+    virtual void process(const double *M, short* xy, short* alpha, double X0, double Y0, double W0, int bw) = 0;
+    virtual ~WarpPerspectiveLine_SSE4() {};
+};
+#endif
+}
+}
+#endif
+/* End of file. */