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204 lines
6.8 KiB
C++
204 lines
6.8 KiB
C++
// This file is part of OpenCV project.
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// It is subject to the license terms in the LICENSE file found in the top-level directory
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// of this distribution and at http://opencv.org/license.html
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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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} // cv::
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/* End of file. */
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