4154bd0667
* Add Loongson Advanced SIMD Extension support: -DCPU_BASELINE=LASX * Add resize.lasx.cpp for Loongson SIMD acceleration * Add imgwarp.lasx.cpp for Loongson SIMD acceleration * Add LASX acceleration support for dnn/conv * Add CV_PAUSE(v) for Loongarch * Set LASX by default on Loongarch64 * LoongArch: tune test threshold for Core/HAL.mat_decomp/15 Co-authored-by: shengwenxue <shengwenxue@loongson.cn>
99 lines
4.2 KiB
C++
99 lines
4.2 KiB
C++
/*M///////////////////////////////////////////////////////////////////////////////////////
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//
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// IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
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//
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// By downloading, copying, installing or using the software you agree to this license.
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// If you do not agree to this license, do not download, install,
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// copy or use the software.
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//
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//
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// License Agreement
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// For Open Source Computer Vision Library
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//
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// Copyright (C) 2000-2008, Intel Corporation, all rights reserved.
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// Copyright (C) 2009, Willow Garage Inc., all rights reserved.
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// Copyright (C) 2014-2015, Itseez 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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/* ////////////////////////////////////////////////////////////////////
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//
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// Geometrical transforms on images and matrices: rotation, zoom etc.
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//
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// */
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#include "precomp.hpp"
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#include "imgwarp.hpp"
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#include "opencv2/core/hal/intrin.hpp"
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namespace cv
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{
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namespace opt_LASX
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{
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int warpAffineBlockline(int *adelta, int *bdelta, short* xy, short* alpha, int X0, int Y0, int bw)
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{
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const int AB_BITS = MAX(10, (int)INTER_BITS);
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int x1 = 0;
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__m256i fxy_mask = _v256_setall_w(INTER_TAB_SIZE - 1);
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__m256i XX = _v256_setall_w(X0), YY = _v256_setall_w(Y0);
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for (; x1 <= bw - 16; x1 += 16)
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{
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__m256i tx0, tx1, ty0, ty1;
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tx0 = __lasx_xvadd_w(__lasx_xvld((const __m256i*)(adelta + x1), 0), XX);
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ty0 = __lasx_xvadd_w(__lasx_xvld((const __m256i*)(bdelta + x1), 0), YY);
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tx1 = __lasx_xvadd_w(__lasx_xvld((const __m256i*)(adelta + x1), 8*4), XX);
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ty1 = __lasx_xvadd_w(__lasx_xvld((const __m256i*)(bdelta + x1), 8*4), YY);
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tx0 = __lasx_xvsrai_w(tx0, AB_BITS - INTER_BITS);
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ty0 = __lasx_xvsrai_w(ty0, AB_BITS - INTER_BITS);
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tx1 = __lasx_xvsrai_w(tx1, AB_BITS - INTER_BITS);
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ty1 = __lasx_xvsrai_w(ty1, AB_BITS - INTER_BITS);
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__m256i fx_ = _lasx_packs_w(__lasx_xvand_v(tx0, fxy_mask),
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__lasx_xvand_v(tx1, fxy_mask));
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__m256i fy_ = _lasx_packs_w(__lasx_xvand_v(ty0, fxy_mask),
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__lasx_xvand_v(ty1, fxy_mask));
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tx0 = _lasx_packs_w(__lasx_xvsrai_w(tx0, INTER_BITS),
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__lasx_xvsrai_w(tx1, INTER_BITS));
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ty0 = _lasx_packs_w(__lasx_xvsrai_w(ty0, INTER_BITS),
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__lasx_xvsrai_w(ty1, INTER_BITS));
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fx_ = __lasx_xvsadd_h(fx_, __lasx_xvslli_h(fy_, INTER_BITS));
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fx_ = __lasx_xvpermi_d(fx_, (3 << 6) + (1 << 4) + (2 << 2) + 0);
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__lasx_xvst(__lasx_xvilvl_h(ty0, tx0), (__m256i*)(xy + x1 * 2), 0);
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__lasx_xvst(__lasx_xvilvh_h(ty0, tx0), (__m256i*)(xy + x1 * 2), 16*2);
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__lasx_xvst(fx_, (__m256i*)(alpha + x1), 0);
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}
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return x1;
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}
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}
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}
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/* End of file. */
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