| /* |
| * 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 <immintrin.h> |
| |
| #include "config/aom_dsp_rtcd.h" |
| |
| static unsigned int sad32x32(const uint8_t *src_ptr, int src_stride, |
| const uint8_t *ref_ptr, int ref_stride) { |
| __m256i s1, s2, r1, r2; |
| __m256i sum = _mm256_setzero_si256(); |
| __m128i sum_i128; |
| int i; |
| |
| for (i = 0; i < 16; ++i) { |
| r1 = _mm256_loadu_si256((__m256i const *)ref_ptr); |
| r2 = _mm256_loadu_si256((__m256i const *)(ref_ptr + ref_stride)); |
| s1 = _mm256_sad_epu8(r1, _mm256_loadu_si256((__m256i const *)src_ptr)); |
| s2 = _mm256_sad_epu8( |
| r2, _mm256_loadu_si256((__m256i const *)(src_ptr + src_stride))); |
| sum = _mm256_add_epi32(sum, _mm256_add_epi32(s1, s2)); |
| ref_ptr += ref_stride << 1; |
| src_ptr += src_stride << 1; |
| } |
| |
| sum = _mm256_add_epi32(sum, _mm256_srli_si256(sum, 8)); |
| sum_i128 = _mm_add_epi32(_mm256_extracti128_si256(sum, 1), |
| _mm256_castsi256_si128(sum)); |
| return (unsigned int)_mm_cvtsi128_si32(sum_i128); |
| } |
| |
| static unsigned int sad64x32(const uint8_t *src_ptr, int src_stride, |
| const uint8_t *ref_ptr, int ref_stride) { |
| unsigned int half_width = 32; |
| uint32_t sum = sad32x32(src_ptr, src_stride, ref_ptr, ref_stride); |
| src_ptr += half_width; |
| ref_ptr += half_width; |
| sum += sad32x32(src_ptr, src_stride, ref_ptr, ref_stride); |
| return sum; |
| } |
| |
| static unsigned int sad64x64(const uint8_t *src_ptr, int src_stride, |
| const uint8_t *ref_ptr, int ref_stride) { |
| uint32_t sum = sad64x32(src_ptr, src_stride, ref_ptr, ref_stride); |
| src_ptr += src_stride << 5; |
| ref_ptr += ref_stride << 5; |
| sum += sad64x32(src_ptr, src_stride, ref_ptr, ref_stride); |
| return sum; |
| } |
| |
| unsigned int aom_sad128x64_avx2(const uint8_t *src_ptr, int src_stride, |
| const uint8_t *ref_ptr, int ref_stride) { |
| unsigned int half_width = 64; |
| uint32_t sum = sad64x64(src_ptr, src_stride, ref_ptr, ref_stride); |
| src_ptr += half_width; |
| ref_ptr += half_width; |
| sum += sad64x64(src_ptr, src_stride, ref_ptr, ref_stride); |
| return sum; |
| } |
| |
| unsigned int aom_sad64x128_avx2(const uint8_t *src_ptr, int src_stride, |
| const uint8_t *ref_ptr, int ref_stride) { |
| uint32_t sum = sad64x64(src_ptr, src_stride, ref_ptr, ref_stride); |
| src_ptr += src_stride << 6; |
| ref_ptr += ref_stride << 6; |
| sum += sad64x64(src_ptr, src_stride, ref_ptr, ref_stride); |
| return sum; |
| } |
| |
| unsigned int aom_sad128x128_avx2(const uint8_t *src_ptr, int src_stride, |
| const uint8_t *ref_ptr, int ref_stride) { |
| uint32_t sum = aom_sad128x64_avx2(src_ptr, src_stride, ref_ptr, ref_stride); |
| src_ptr += src_stride << 6; |
| ref_ptr += ref_stride << 6; |
| sum += aom_sad128x64_avx2(src_ptr, src_stride, ref_ptr, ref_stride); |
| return sum; |
| } |
| |
| unsigned int aom_sad_skip_128x64_avx2(const uint8_t *src_ptr, int src_stride, |
| const uint8_t *ref_ptr, int ref_stride) { |
| const uint32_t half_width = 64; |
| uint32_t sum = sad64x32(src_ptr, src_stride * 2, ref_ptr, ref_stride * 2); |
| src_ptr += half_width; |
| ref_ptr += half_width; |
| sum += sad64x32(src_ptr, src_stride * 2, ref_ptr, ref_stride * 2); |
| return 2 * sum; |
| } |
| |
| unsigned int aom_sad_skip_64x128_avx2(const uint8_t *src_ptr, int src_stride, |
| const uint8_t *ref_ptr, int ref_stride) { |
| const uint32_t sum = |
| sad64x64(src_ptr, 2 * src_stride, ref_ptr, 2 * ref_stride); |
| return 2 * sum; |
| } |
| |
| unsigned int aom_sad_skip_128x128_avx2(const uint8_t *src_ptr, int src_stride, |
| const uint8_t *ref_ptr, int ref_stride) { |
| const uint32_t sum = |
| aom_sad128x64_avx2(src_ptr, 2 * src_stride, ref_ptr, 2 * ref_stride); |
| return 2 * sum; |
| } |
| |
| static unsigned int sad_w64_avg_avx2(const uint8_t *src_ptr, int src_stride, |
| const uint8_t *ref_ptr, int ref_stride, |
| const int h, const uint8_t *second_pred, |
| const int second_pred_stride) { |
| int i; |
| __m256i sad1_reg, sad2_reg, ref1_reg, ref2_reg; |
| __m256i sum_sad = _mm256_setzero_si256(); |
| __m256i sum_sad_h; |
| __m128i sum_sad128; |
| for (i = 0; i < h; i++) { |
| ref1_reg = _mm256_loadu_si256((__m256i const *)ref_ptr); |
| ref2_reg = _mm256_loadu_si256((__m256i const *)(ref_ptr + 32)); |
| ref1_reg = _mm256_avg_epu8( |
| ref1_reg, _mm256_loadu_si256((__m256i const *)second_pred)); |
| ref2_reg = _mm256_avg_epu8( |
| ref2_reg, _mm256_loadu_si256((__m256i const *)(second_pred + 32))); |
| sad1_reg = |
| _mm256_sad_epu8(ref1_reg, _mm256_loadu_si256((__m256i const *)src_ptr)); |
| sad2_reg = _mm256_sad_epu8( |
| ref2_reg, _mm256_loadu_si256((__m256i const *)(src_ptr + 32))); |
| sum_sad = _mm256_add_epi32(sum_sad, _mm256_add_epi32(sad1_reg, sad2_reg)); |
| ref_ptr += ref_stride; |
| src_ptr += src_stride; |
| second_pred += second_pred_stride; |
| } |
| sum_sad_h = _mm256_srli_si256(sum_sad, 8); |
| sum_sad = _mm256_add_epi32(sum_sad, sum_sad_h); |
| sum_sad128 = _mm256_extracti128_si256(sum_sad, 1); |
| sum_sad128 = _mm_add_epi32(_mm256_castsi256_si128(sum_sad), sum_sad128); |
| return (unsigned int)_mm_cvtsi128_si32(sum_sad128); |
| } |
| |
| unsigned int aom_sad64x128_avg_avx2(const uint8_t *src_ptr, int src_stride, |
| const uint8_t *ref_ptr, int ref_stride, |
| const uint8_t *second_pred) { |
| uint32_t sum = sad_w64_avg_avx2(src_ptr, src_stride, ref_ptr, ref_stride, 64, |
| second_pred, 64); |
| src_ptr += src_stride << 6; |
| ref_ptr += ref_stride << 6; |
| second_pred += 64 << 6; |
| sum += sad_w64_avg_avx2(src_ptr, src_stride, ref_ptr, ref_stride, 64, |
| second_pred, 64); |
| return sum; |
| } |
| |
| unsigned int aom_sad128x64_avg_avx2(const uint8_t *src_ptr, int src_stride, |
| const uint8_t *ref_ptr, int ref_stride, |
| const uint8_t *second_pred) { |
| unsigned int half_width = 64; |
| uint32_t sum = sad_w64_avg_avx2(src_ptr, src_stride, ref_ptr, ref_stride, 64, |
| second_pred, 128); |
| src_ptr += half_width; |
| ref_ptr += half_width; |
| second_pred += half_width; |
| sum += sad_w64_avg_avx2(src_ptr, src_stride, ref_ptr, ref_stride, 64, |
| second_pred, 128); |
| return sum; |
| } |
| |
| unsigned int aom_sad128x128_avg_avx2(const uint8_t *src_ptr, int src_stride, |
| const uint8_t *ref_ptr, int ref_stride, |
| const uint8_t *second_pred) { |
| uint32_t sum = aom_sad128x64_avg_avx2(src_ptr, src_stride, ref_ptr, |
| ref_stride, second_pred); |
| src_ptr += src_stride << 6; |
| ref_ptr += ref_stride << 6; |
| second_pred += 128 << 6; |
| sum += aom_sad128x64_avg_avx2(src_ptr, src_stride, ref_ptr, ref_stride, |
| second_pred); |
| return sum; |
| } |