| /* |
| * Copyright (c) 2021, Alliance for Open Media. All rights reserved |
| * |
| * This source code is subject to the terms of the BSD 3-Clause Clear License |
| * and the Alliance for Open Media Patent License 1.0. If the BSD 3-Clause Clear |
| * License was not distributed with this source code in the LICENSE file, you |
| * can obtain it at aomedia.org/license/software-license/bsd-3-c-c/. 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 |
| * aomedia.org/license/patent-license/. |
| */ |
| |
| #include <assert.h> |
| #include <emmintrin.h> // SSE2 |
| #include <smmintrin.h> /* SSE4.1 */ |
| #include <immintrin.h> /* AVX2 */ |
| |
| #include "aom/aom_integer.h" |
| #include "aom_dsp/x86/mem_sse2.h" |
| #include "av1/common/av1_common_int.h" |
| #include "av1/common/txb_common.h" |
| #include "aom_dsp/x86/synonyms.h" |
| #include "aom_dsp/x86/synonyms_avx2.h" |
| |
| void av1_txb_init_levels_avx2(const tran_low_t *const coeff, const int width, |
| const int height, uint8_t *const levels) { |
| const int stride = width + TX_PAD_HOR; |
| const __m256i y_zeros = _mm256_setzero_si256(); |
| |
| const int32_t bottom_len = sizeof(*levels) * (TX_PAD_BOTTOM * stride); |
| uint8_t *bottom_buf_end = levels + (height + TX_PAD_BOTTOM) * stride; |
| uint8_t *bottom_buf = bottom_buf_end - ((bottom_len + 31) & (~31)); |
| |
| do { |
| yy_storeu_256(bottom_buf, y_zeros); |
| bottom_buf += 32; |
| } while (bottom_buf < bottom_buf_end); |
| |
| int i = 0; |
| uint8_t *ls = levels; |
| const tran_low_t *cf = coeff; |
| if (width == 4) { |
| do { |
| const __m256i c0 = yy_loadu_256(cf); |
| const __m256i c1 = yy_loadu_256(cf + 8); |
| const __m256i abs01 = _mm256_abs_epi16(_mm256_packs_epi32(c0, c1)); |
| const __m256i abs01_8 = _mm256_packs_epi16(abs01, y_zeros); |
| const __m256i res_ = _mm256_shuffle_epi32(abs01_8, 0xd8); |
| const __m256i res = _mm256_permute4x64_epi64(res_, 0xd8); |
| yy_storeu_256(ls, res); |
| ls += 32; |
| cf += 16; |
| i += 4; |
| } while (i < height); |
| } else if (width == 8) { |
| do { |
| const __m256i coeffA = yy_loadu_256(cf); |
| const __m256i coeffB = yy_loadu_256(cf + 8); |
| const __m256i coeffC = yy_loadu_256(cf + 16); |
| const __m256i coeffD = yy_loadu_256(cf + 24); |
| const __m256i coeffAB = _mm256_packs_epi32(coeffA, coeffB); |
| const __m256i coeffCD = _mm256_packs_epi32(coeffC, coeffD); |
| const __m256i absAB = _mm256_abs_epi16(coeffAB); |
| const __m256i absCD = _mm256_abs_epi16(coeffCD); |
| const __m256i absABCD = _mm256_packs_epi16(absAB, absCD); |
| const __m256i res_ = _mm256_permute4x64_epi64(absABCD, 0xd8); |
| const __m256i res = _mm256_shuffle_epi32(res_, 0xd8); |
| const __m128i res0 = _mm256_castsi256_si128(res); |
| const __m128i res1 = _mm256_extracti128_si256(res, 1); |
| xx_storel_64(ls, res0); |
| *(int32_t *)(ls + width) = 0; |
| xx_storel_64(ls + stride, _mm_srli_si128(res0, 8)); |
| *(int32_t *)(ls + width + stride) = 0; |
| xx_storel_64(ls + stride * 2, res1); |
| *(int32_t *)(ls + width + stride * 2) = 0; |
| xx_storel_64(ls + stride * 3, _mm_srli_si128(res1, 8)); |
| *(int32_t *)(ls + width + stride * 3) = 0; |
| cf += 32; |
| ls += stride << 2; |
| i += 4; |
| } while (i < height); |
| } else if (width == 16) { |
| do { |
| const __m256i coeffA = yy_loadu_256(cf); |
| const __m256i coeffB = yy_loadu_256(cf + 8); |
| const __m256i coeffC = yy_loadu_256(cf + 16); |
| const __m256i coeffD = yy_loadu_256(cf + 24); |
| const __m256i coeffAB = _mm256_packs_epi32(coeffA, coeffB); |
| const __m256i coeffCD = _mm256_packs_epi32(coeffC, coeffD); |
| const __m256i absAB = _mm256_abs_epi16(coeffAB); |
| const __m256i absCD = _mm256_abs_epi16(coeffCD); |
| const __m256i absABCD = _mm256_packs_epi16(absAB, absCD); |
| const __m256i res_ = _mm256_permute4x64_epi64(absABCD, 0xd8); |
| const __m256i res = _mm256_shuffle_epi32(res_, 0xd8); |
| xx_storeu_128(ls, _mm256_castsi256_si128(res)); |
| xx_storeu_128(ls + stride, _mm256_extracti128_si256(res, 1)); |
| cf += 32; |
| *(int32_t *)(ls + width) = 0; |
| *(int32_t *)(ls + stride + width) = 0; |
| ls += stride << 1; |
| i += 2; |
| } while (i < height); |
| } else { |
| do { |
| const __m256i coeffA = yy_loadu_256(cf); |
| const __m256i coeffB = yy_loadu_256(cf + 8); |
| const __m256i coeffC = yy_loadu_256(cf + 16); |
| const __m256i coeffD = yy_loadu_256(cf + 24); |
| const __m256i coeffAB = _mm256_packs_epi32(coeffA, coeffB); |
| const __m256i coeffCD = _mm256_packs_epi32(coeffC, coeffD); |
| const __m256i absAB = _mm256_abs_epi16(coeffAB); |
| const __m256i absCD = _mm256_abs_epi16(coeffCD); |
| const __m256i absABCD = _mm256_packs_epi16(absAB, absCD); |
| const __m256i res_ = _mm256_permute4x64_epi64(absABCD, 0xd8); |
| const __m256i res = _mm256_shuffle_epi32(res_, 0xd8); |
| yy_storeu_256(ls, res); |
| cf += 32; |
| *(int32_t *)(ls + width) = 0; |
| ls += stride; |
| i += 1; |
| } while (i < height); |
| } |
| } |