From 5545a8983ff0ef1fb52e64aef8e66fa9b13c1cbb Mon Sep 17 00:00:00 2001 From: "Matt A. Tobin" Date: Tue, 7 Apr 2020 23:30:51 -0400 Subject: Move aom source to a sub-directory under media/libaom There is no damned reason to treat this differently than any other media lib given its license and there never was. --- media/libaom/src/aom_dsp/x86/sad4d_avx2.c | 218 ++++++++++++++++++++++++++++++ 1 file changed, 218 insertions(+) create mode 100644 media/libaom/src/aom_dsp/x86/sad4d_avx2.c (limited to 'media/libaom/src/aom_dsp/x86/sad4d_avx2.c') diff --git a/media/libaom/src/aom_dsp/x86/sad4d_avx2.c b/media/libaom/src/aom_dsp/x86/sad4d_avx2.c new file mode 100644 index 000000000..f662b62b1 --- /dev/null +++ b/media/libaom/src/aom_dsp/x86/sad4d_avx2.c @@ -0,0 +1,218 @@ +/* + * Copyright (c) 2016, Alliance for Open Media. All rights reserved + * + * This source code is subject to the terms of the BSD 2 Clause License and + * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License + * was not distributed with this source code in the LICENSE file, you can + * obtain it at www.aomedia.org/license/software. If the Alliance for Open + * Media Patent License 1.0 was not distributed with this source code in the + * PATENTS file, you can obtain it at www.aomedia.org/license/patent. + */ +#include // AVX2 + +#include "config/aom_dsp_rtcd.h" + +#include "aom/aom_integer.h" + +void aom_sad32x32x4d_avx2(const uint8_t *src, int src_stride, + const uint8_t *const ref[4], int ref_stride, + uint32_t res[4]) { + __m256i src_reg, ref0_reg, ref1_reg, ref2_reg, ref3_reg; + __m256i sum_ref0, sum_ref1, sum_ref2, sum_ref3; + __m256i sum_mlow, sum_mhigh; + int i; + const uint8_t *ref0, *ref1, *ref2, *ref3; + + ref0 = ref[0]; + ref1 = ref[1]; + ref2 = ref[2]; + ref3 = ref[3]; + sum_ref0 = _mm256_set1_epi16(0); + sum_ref1 = _mm256_set1_epi16(0); + sum_ref2 = _mm256_set1_epi16(0); + sum_ref3 = _mm256_set1_epi16(0); + for (i = 0; i < 32; i++) { + // load src and all refs + src_reg = _mm256_loadu_si256((const __m256i *)src); + ref0_reg = _mm256_loadu_si256((const __m256i *)ref0); + ref1_reg = _mm256_loadu_si256((const __m256i *)ref1); + ref2_reg = _mm256_loadu_si256((const __m256i *)ref2); + ref3_reg = _mm256_loadu_si256((const __m256i *)ref3); + // sum of the absolute differences between every ref-i to src + ref0_reg = _mm256_sad_epu8(ref0_reg, src_reg); + ref1_reg = _mm256_sad_epu8(ref1_reg, src_reg); + ref2_reg = _mm256_sad_epu8(ref2_reg, src_reg); + ref3_reg = _mm256_sad_epu8(ref3_reg, src_reg); + // sum every ref-i + sum_ref0 = _mm256_add_epi32(sum_ref0, ref0_reg); + sum_ref1 = _mm256_add_epi32(sum_ref1, ref1_reg); + sum_ref2 = _mm256_add_epi32(sum_ref2, ref2_reg); + sum_ref3 = _mm256_add_epi32(sum_ref3, ref3_reg); + + src += src_stride; + ref0 += ref_stride; + ref1 += ref_stride; + ref2 += ref_stride; + ref3 += ref_stride; + } + { + __m128i sum; + // in sum_ref-i the result is saved in the first 4 bytes + // the other 4 bytes are zeroed. + // sum_ref1 and sum_ref3 are shifted left by 4 bytes + sum_ref1 = _mm256_slli_si256(sum_ref1, 4); + sum_ref3 = _mm256_slli_si256(sum_ref3, 4); + + // merge sum_ref0 and sum_ref1 also sum_ref2 and sum_ref3 + sum_ref0 = _mm256_or_si256(sum_ref0, sum_ref1); + sum_ref2 = _mm256_or_si256(sum_ref2, sum_ref3); + + // merge every 64 bit from each sum_ref-i + sum_mlow = _mm256_unpacklo_epi64(sum_ref0, sum_ref2); + sum_mhigh = _mm256_unpackhi_epi64(sum_ref0, sum_ref2); + + // add the low 64 bit to the high 64 bit + sum_mlow = _mm256_add_epi32(sum_mlow, sum_mhigh); + + // add the low 128 bit to the high 128 bit + sum = _mm_add_epi32(_mm256_castsi256_si128(sum_mlow), + _mm256_extractf128_si256(sum_mlow, 1)); + + _mm_storeu_si128((__m128i *)(res), sum); + } + _mm256_zeroupper(); +} + +void aom_sad64x64x4d_avx2(const uint8_t *src, int src_stride, + const uint8_t *const ref[4], int ref_stride, + uint32_t res[4]) { + __m256i src_reg, srcnext_reg, ref0_reg, ref0next_reg; + __m256i ref1_reg, ref1next_reg, ref2_reg, ref2next_reg; + __m256i ref3_reg, ref3next_reg; + __m256i sum_ref0, sum_ref1, sum_ref2, sum_ref3; + __m256i sum_mlow, sum_mhigh; + int i; + const uint8_t *ref0, *ref1, *ref2, *ref3; + + ref0 = ref[0]; + ref1 = ref[1]; + ref2 = ref[2]; + ref3 = ref[3]; + sum_ref0 = _mm256_set1_epi16(0); + sum_ref1 = _mm256_set1_epi16(0); + sum_ref2 = _mm256_set1_epi16(0); + sum_ref3 = _mm256_set1_epi16(0); + for (i = 0; i < 64; i++) { + // load 64 bytes from src and all refs + src_reg = _mm256_loadu_si256((const __m256i *)src); + srcnext_reg = _mm256_loadu_si256((const __m256i *)(src + 32)); + ref0_reg = _mm256_loadu_si256((const __m256i *)ref0); + ref0next_reg = _mm256_loadu_si256((const __m256i *)(ref0 + 32)); + ref1_reg = _mm256_loadu_si256((const __m256i *)ref1); + ref1next_reg = _mm256_loadu_si256((const __m256i *)(ref1 + 32)); + ref2_reg = _mm256_loadu_si256((const __m256i *)ref2); + ref2next_reg = _mm256_loadu_si256((const __m256i *)(ref2 + 32)); + ref3_reg = _mm256_loadu_si256((const __m256i *)ref3); + ref3next_reg = _mm256_loadu_si256((const __m256i *)(ref3 + 32)); + // sum of the absolute differences between every ref-i to src + ref0_reg = _mm256_sad_epu8(ref0_reg, src_reg); + ref1_reg = _mm256_sad_epu8(ref1_reg, src_reg); + ref2_reg = _mm256_sad_epu8(ref2_reg, src_reg); + ref3_reg = _mm256_sad_epu8(ref3_reg, src_reg); + ref0next_reg = _mm256_sad_epu8(ref0next_reg, srcnext_reg); + ref1next_reg = _mm256_sad_epu8(ref1next_reg, srcnext_reg); + ref2next_reg = _mm256_sad_epu8(ref2next_reg, srcnext_reg); + ref3next_reg = _mm256_sad_epu8(ref3next_reg, srcnext_reg); + + // sum every ref-i + sum_ref0 = _mm256_add_epi32(sum_ref0, ref0_reg); + sum_ref1 = _mm256_add_epi32(sum_ref1, ref1_reg); + sum_ref2 = _mm256_add_epi32(sum_ref2, ref2_reg); + sum_ref3 = _mm256_add_epi32(sum_ref3, ref3_reg); + sum_ref0 = _mm256_add_epi32(sum_ref0, ref0next_reg); + sum_ref1 = _mm256_add_epi32(sum_ref1, ref1next_reg); + sum_ref2 = _mm256_add_epi32(sum_ref2, ref2next_reg); + sum_ref3 = _mm256_add_epi32(sum_ref3, ref3next_reg); + src += src_stride; + ref0 += ref_stride; + ref1 += ref_stride; + ref2 += ref_stride; + ref3 += ref_stride; + } + { + __m128i sum; + + // in sum_ref-i the result is saved in the first 4 bytes + // the other 4 bytes are zeroed. + // sum_ref1 and sum_ref3 are shifted left by 4 bytes + sum_ref1 = _mm256_slli_si256(sum_ref1, 4); + sum_ref3 = _mm256_slli_si256(sum_ref3, 4); + + // merge sum_ref0 and sum_ref1 also sum_ref2 and sum_ref3 + sum_ref0 = _mm256_or_si256(sum_ref0, sum_ref1); + sum_ref2 = _mm256_or_si256(sum_ref2, sum_ref3); + + // merge every 64 bit from each sum_ref-i + sum_mlow = _mm256_unpacklo_epi64(sum_ref0, sum_ref2); + sum_mhigh = _mm256_unpackhi_epi64(sum_ref0, sum_ref2); + + // add the low 64 bit to the high 64 bit + sum_mlow = _mm256_add_epi32(sum_mlow, sum_mhigh); + + // add the low 128 bit to the high 128 bit + sum = _mm_add_epi32(_mm256_castsi256_si128(sum_mlow), + _mm256_extractf128_si256(sum_mlow, 1)); + + _mm_storeu_si128((__m128i *)(res), sum); + } + _mm256_zeroupper(); +} + +void aom_sad32x64x4d_avx2(const uint8_t *src, int src_stride, + const uint8_t *const ref[4], int ref_stride, + uint32_t res[4]) { + const uint8_t *rf[4]; + uint32_t sum0[4]; + uint32_t sum1[4]; + + rf[0] = ref[0]; + rf[1] = ref[1]; + rf[2] = ref[2]; + rf[3] = ref[3]; + aom_sad32x32x4d_avx2(src, src_stride, rf, ref_stride, sum0); + src += src_stride << 5; + rf[0] += ref_stride << 5; + rf[1] += ref_stride << 5; + rf[2] += ref_stride << 5; + rf[3] += ref_stride << 5; + aom_sad32x32x4d_avx2(src, src_stride, rf, ref_stride, sum1); + res[0] = sum0[0] + sum1[0]; + res[1] = sum0[1] + sum1[1]; + res[2] = sum0[2] + sum1[2]; + res[3] = sum0[3] + sum1[3]; +} + +void aom_sad64x32x4d_avx2(const uint8_t *src, int src_stride, + const uint8_t *const ref[4], int ref_stride, + uint32_t res[4]) { + const uint8_t *rf[4]; + uint32_t sum0[4]; + uint32_t sum1[4]; + unsigned int half_width = 32; + + rf[0] = ref[0]; + rf[1] = ref[1]; + rf[2] = ref[2]; + rf[3] = ref[3]; + aom_sad32x32x4d_avx2(src, src_stride, rf, ref_stride, sum0); + src += half_width; + rf[0] += half_width; + rf[1] += half_width; + rf[2] += half_width; + rf[3] += half_width; + aom_sad32x32x4d_avx2(src, src_stride, rf, ref_stride, sum1); + res[0] = sum0[0] + sum1[0]; + res[1] = sum0[1] + sum1[1]; + res[2] = sum0[2] + sum1[2]; + res[3] = sum0[3] + sum1[3]; +} -- cgit v1.2.3