242 lines
8.8 KiB
C++
242 lines
8.8 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) 2009-2011, 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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#include "precomp.hpp"
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#include "convert.hpp"
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namespace cv
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{
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namespace opt_SSE4_1
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{
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int cvtScale_SIMD_u8u16f32_SSE41(const uchar * src, ushort * dst, int width, float scale, float shift)
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{
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int x = 0;
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__m128i v_zero = _mm_setzero_si128();
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__m128 v_scale = _mm_set1_ps(scale), v_shift = _mm_set1_ps(shift);
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for ( ; x <= width - 8; x += 8)
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{
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__m128i v_src = _mm_unpacklo_epi8(_mm_loadl_epi64((__m128i const *)(src + x)), v_zero);
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__m128 v_src_f = _mm_cvtepi32_ps(_mm_unpacklo_epi16(v_src, v_zero));
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__m128 v_dst_0 = _mm_add_ps(_mm_mul_ps(v_src_f, v_scale), v_shift);
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v_src_f = _mm_cvtepi32_ps(_mm_unpackhi_epi16(v_src, v_zero));
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__m128 v_dst_1 = _mm_add_ps(_mm_mul_ps(v_src_f, v_scale), v_shift);
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__m128i v_dst = _mm_packus_epi32(_mm_cvtps_epi32(v_dst_0),
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_mm_cvtps_epi32(v_dst_1));
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_mm_storeu_si128((__m128i *)(dst + x), v_dst);
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}
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return x;
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}
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int cvtScale_SIMD_s8u16f32_SSE41(const schar * src, ushort * dst, int width, float scale, float shift)
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{
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int x = 0;
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__m128i v_zero = _mm_setzero_si128();
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__m128 v_scale = _mm_set1_ps(scale), v_shift = _mm_set1_ps(shift);
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for ( ; x <= width - 8; x += 8)
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{
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__m128i v_src = _mm_srai_epi16(_mm_unpacklo_epi8(v_zero, _mm_loadl_epi64((__m128i const *)(src + x))), 8);
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__m128 v_src_f = _mm_cvtepi32_ps(_mm_srai_epi32(_mm_unpacklo_epi16(v_zero, v_src), 16));
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__m128 v_dst_0 = _mm_add_ps(_mm_mul_ps(v_src_f, v_scale), v_shift);
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v_src_f = _mm_cvtepi32_ps(_mm_srai_epi32(_mm_unpackhi_epi16(v_zero, v_src), 16));
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__m128 v_dst_1 = _mm_add_ps(_mm_mul_ps(v_src_f, v_scale), v_shift);
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__m128i v_dst = _mm_packus_epi32(_mm_cvtps_epi32(v_dst_0),
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_mm_cvtps_epi32(v_dst_1));
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_mm_storeu_si128((__m128i *)(dst + x), v_dst);
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}
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return x;
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}
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int cvtScale_SIMD_u16u16f32_SSE41(const ushort * src, ushort * dst, int width, float scale, float shift)
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{
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int x = 0;
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__m128i v_zero = _mm_setzero_si128();
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__m128 v_scale = _mm_set1_ps(scale), v_shift = _mm_set1_ps(shift);
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for ( ; x <= width - 8; x += 8)
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{
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__m128i v_src = _mm_loadu_si128((__m128i const *)(src + x));
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__m128 v_src_f = _mm_cvtepi32_ps(_mm_unpacklo_epi16(v_src, v_zero));
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__m128 v_dst_0 = _mm_add_ps(_mm_mul_ps(v_src_f, v_scale), v_shift);
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v_src_f = _mm_cvtepi32_ps(_mm_unpackhi_epi16(v_src, v_zero));
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__m128 v_dst_1 = _mm_add_ps(_mm_mul_ps(v_src_f, v_scale), v_shift);
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__m128i v_dst = _mm_packus_epi32(_mm_cvtps_epi32(v_dst_0),
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_mm_cvtps_epi32(v_dst_1));
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_mm_storeu_si128((__m128i *)(dst + x), v_dst);
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}
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return x;
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}
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int cvtScale_SIMD_s16u16f32_SSE41(const short * src, ushort * dst, int width, float scale, float shift)
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{
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int x = 0;
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__m128i v_zero = _mm_setzero_si128();
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__m128 v_scale = _mm_set1_ps(scale), v_shift = _mm_set1_ps(shift);
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for ( ; x <= width - 8; x += 8)
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{
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__m128i v_src = _mm_loadu_si128((__m128i const *)(src + x));
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__m128 v_src_f = _mm_cvtepi32_ps(_mm_srai_epi32(_mm_unpacklo_epi16(v_zero, v_src), 16));
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__m128 v_dst_0 = _mm_add_ps(_mm_mul_ps(v_src_f, v_scale), v_shift);
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v_src_f = _mm_cvtepi32_ps(_mm_srai_epi32(_mm_unpackhi_epi16(v_zero, v_src), 16));
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__m128 v_dst_1 = _mm_add_ps(_mm_mul_ps(v_src_f, v_scale), v_shift);
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__m128i v_dst = _mm_packus_epi32(_mm_cvtps_epi32(v_dst_0),
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_mm_cvtps_epi32(v_dst_1));
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_mm_storeu_si128((__m128i *)(dst + x), v_dst);
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}
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return x;
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}
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int cvtScale_SIMD_s32u16f32_SSE41(const int * src, ushort * dst, int width, float scale, float shift)
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{
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int x = 0;
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__m128 v_scale = _mm_set1_ps(scale), v_shift = _mm_set1_ps(shift);
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for ( ; x <= width - 8; x += 8)
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{
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__m128i v_src = _mm_loadu_si128((__m128i const *)(src + x));
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__m128 v_dst_0 = _mm_add_ps(_mm_mul_ps(_mm_cvtepi32_ps(v_src), v_scale), v_shift);
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v_src = _mm_loadu_si128((__m128i const *)(src + x + 4));
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__m128 v_dst_1 = _mm_add_ps(_mm_mul_ps(_mm_cvtepi32_ps(v_src), v_scale), v_shift);
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__m128i v_dst = _mm_packus_epi32(_mm_cvtps_epi32(v_dst_0),
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_mm_cvtps_epi32(v_dst_1));
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_mm_storeu_si128((__m128i *)(dst + x), v_dst);
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}
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return x;
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}
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int cvtScale_SIMD_f32u16f32_SSE41(const float * src, ushort * dst, int width, float scale, float shift)
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{
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int x = 0;
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__m128 v_scale = _mm_set1_ps(scale), v_shift = _mm_set1_ps(shift);
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for ( ; x <= width - 8; x += 8)
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{
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__m128 v_src = _mm_loadu_ps(src + x);
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__m128 v_dst_0 = _mm_add_ps(_mm_mul_ps(v_src, v_scale), v_shift);
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v_src = _mm_loadu_ps(src + x + 4);
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__m128 v_dst_1 = _mm_add_ps(_mm_mul_ps(v_src, v_scale), v_shift);
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__m128i v_dst = _mm_packus_epi32(_mm_cvtps_epi32(v_dst_0),
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_mm_cvtps_epi32(v_dst_1));
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_mm_storeu_si128((__m128i *)(dst + x), v_dst);
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}
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return x;
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}
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int cvtScale_SIMD_f64u16f32_SSE41(const double * src, ushort * dst, int width, float scale, float shift)
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{
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int x = 0;
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__m128 v_scale = _mm_set1_ps(scale), v_shift = _mm_set1_ps(shift);
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for ( ; x <= width - 8; x += 8)
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{
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__m128 v_src = _mm_movelh_ps(_mm_cvtpd_ps(_mm_loadu_pd(src + x)),
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_mm_cvtpd_ps(_mm_loadu_pd(src + x + 2)));
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__m128 v_dst_0 = _mm_add_ps(_mm_mul_ps(v_src, v_scale), v_shift);
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v_src = _mm_movelh_ps(_mm_cvtpd_ps(_mm_loadu_pd(src + x + 4)),
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_mm_cvtpd_ps(_mm_loadu_pd(src + x + 6)));
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__m128 v_dst_1 = _mm_add_ps(_mm_mul_ps(v_src, v_scale), v_shift);
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__m128i v_dst = _mm_packus_epi32(_mm_cvtps_epi32(v_dst_0),
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_mm_cvtps_epi32(v_dst_1));
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_mm_storeu_si128((__m128i *)(dst + x), v_dst);
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}
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return x;
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}
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int Cvt_SIMD_f64u16_SSE41(const double * src, ushort * dst, int width)
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{
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int x = 0;
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for ( ; x <= width - 8; x += 8)
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{
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__m128 v_src0 = _mm_cvtpd_ps(_mm_loadu_pd(src + x));
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__m128 v_src1 = _mm_cvtpd_ps(_mm_loadu_pd(src + x + 2));
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__m128 v_src2 = _mm_cvtpd_ps(_mm_loadu_pd(src + x + 4));
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__m128 v_src3 = _mm_cvtpd_ps(_mm_loadu_pd(src + x + 6));
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v_src0 = _mm_movelh_ps(v_src0, v_src1);
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v_src1 = _mm_movelh_ps(v_src2, v_src3);
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__m128i v_dst = _mm_packus_epi32(_mm_cvtps_epi32(v_src0),
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_mm_cvtps_epi32(v_src1));
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_mm_storeu_si128((__m128i *)(dst + x), v_dst);
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}
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return x;
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}
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}
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}
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/* End of file. */
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