/* * Copyright (c) 2018, 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 #include #include "config/av1_rtcd.h" #include "aom_dsp/aom_dsp_common.h" #include "aom_dsp/aom_filter.h" #include "aom_dsp/x86/convolve_avx2.h" #include "aom_dsp/x86/convolve_common_intrin.h" #include "aom_dsp/x86/convolve_sse4_1.h" #include "aom_dsp/x86/mem_sse2.h" #include "aom_dsp/x86/synonyms_avx2.h" #include "av1/common/convolve.h" static inline __m256i unpack_weights_avx2(ConvolveParams *conv_params) { const int w0 = conv_params->fwd_offset; const int w1 = conv_params->bck_offset; const __m256i wt0 = _mm256_set1_epi16((int16_t)w0); const __m256i wt1 = _mm256_set1_epi16((int16_t)w1); const __m256i wt = _mm256_unpacklo_epi16(wt0, wt1); return wt; } static inline __m256i load_line2_avx2(const void *a, const void *b) { return _mm256_permute2x128_si256( _mm256_castsi128_si256(_mm_loadu_si128((__m128i *)a)), _mm256_castsi128_si256(_mm_loadu_si128((__m128i *)b)), 0x20); } void av1_dist_wtd_convolve_x_avx2(const uint8_t *src, int src_stride, uint8_t *dst0, int dst_stride0, int w, int h, const InterpFilterParams *filter_params_x, const int subpel_x_qn, ConvolveParams *conv_params) { CONV_BUF_TYPE *dst = conv_params->dst; int dst_stride = conv_params->dst_stride; const int bd = 8; int i, j, is_horiz_4tap = 0; const int bits = FILTER_BITS - conv_params->round_1; const __m256i wt = unpack_weights_avx2(conv_params); const int do_average = conv_params->do_average; const int use_dist_wtd_comp_avg = conv_params->use_dist_wtd_comp_avg; const int offset_0 = bd + 2 * FILTER_BITS - conv_params->round_0 - conv_params->round_1; const int offset = (1 << offset_0) + (1 << (offset_0 - 1)); const __m256i offset_const = _mm256_set1_epi16(offset); const int rounding_shift = 2 * FILTER_BITS - conv_params->round_0 - conv_params->round_1; const __m256i rounding_const = _mm256_set1_epi16((1 << rounding_shift) >> 1); assert(bits >= 0); assert(conv_params->round_0 > 0); const __m256i round_const = _mm256_set1_epi16((1 << (conv_params->round_0 - 1)) >> 1); const __m128i round_shift = _mm_cvtsi32_si128(conv_params->round_0 - 1); __m256i filt[4], coeffs[4]; filt[0] = _mm256_load_si256((__m256i const *)filt_global_avx2); filt[1] = _mm256_load_si256((__m256i const *)(filt_global_avx2 + 32)); prepare_coeffs_lowbd(filter_params_x, subpel_x_qn, coeffs); // Condition for checking valid horz_filt taps if (!(_mm256_extract_epi32(_mm256_or_si256(coeffs[0], coeffs[3]), 0))) is_horiz_4tap = 1; // horz_filt as 4 tap if (is_horiz_4tap) { const int fo_horiz = 1; const uint8_t *const src_ptr = src - fo_horiz; for (i = 0; i < h; i += 2) { const uint8_t *src_data = src_ptr + i * src_stride; CONV_BUF_TYPE *dst_data = dst + i * dst_stride; for (j = 0; j < w; j += 8) { const __m256i data = load_line2_avx2(&src_data[j], &src_data[j + src_stride]); __m256i res = convolve_lowbd_x_4tap(data, coeffs + 1, filt); res = _mm256_sra_epi16(_mm256_add_epi16(res, round_const), round_shift); res = _mm256_slli_epi16(res, bits); const __m256i res_unsigned = _mm256_add_epi16(res, offset_const); // Accumulate values into the destination buffer if (do_average) { const __m256i data_ref_0 = load_line2_avx2(&dst_data[j], &dst_data[j + dst_stride]); const __m256i comp_avg_res = comp_avg(&data_ref_0, &res_unsigned, &wt, use_dist_wtd_comp_avg); const __m256i round_result = convolve_rounding( &comp_avg_res, &offset_const, &rounding_const, rounding_shift); const __m256i res_8 = _mm256_packus_epi16(round_result, round_result); const __m128i res_0 = _mm256_castsi256_si128(res_8); const __m128i res_1 = _mm256_extracti128_si256(res_8, 1); if (w > 4) { _mm_storel_epi64((__m128i *)(&dst0[i * dst_stride0 + j]), res_0); _mm_storel_epi64( (__m128i *)((&dst0[i * dst_stride0 + j + dst_stride0])), res_1); } else { *(int *)(&dst0[i * dst_stride0 + j]) = _mm_cvtsi128_si32(res_0); *(int *)(&dst0[i * dst_stride0 + j + dst_stride0]) = _mm_cvtsi128_si32(res_1); } } else { const __m128i res_0 = _mm256_castsi256_si128(res_unsigned); _mm_store_si128((__m128i *)(&dst[i * dst_stride + j]), res_0); const __m128i res_1 = _mm256_extracti128_si256(res_unsigned, 1); _mm_store_si128((__m128i *)(&dst[i * dst_stride + j + dst_stride]), res_1); } } } } else { const int fo_horiz = filter_params_x->taps / 2 - 1; const uint8_t *const src_ptr = src - fo_horiz; filt[2] = _mm256_load_si256((__m256i const *)(filt_global_avx2 + 32 * 2)); filt[3] = _mm256_load_si256((__m256i const *)(filt_global_avx2 + 32 * 3)); for (i = 0; i < h; i += 2) { const uint8_t *src_data = src_ptr + i * src_stride; CONV_BUF_TYPE *dst_data = dst + i * dst_stride; for (j = 0; j < w; j += 8) { const __m256i data = load_line2_avx2(&src_data[j], &src_data[j + src_stride]); __m256i res = convolve_lowbd_x(data, coeffs, filt); res = _mm256_sra_epi16(_mm256_add_epi16(res, round_const), round_shift); res = _mm256_slli_epi16(res, bits); const __m256i res_unsigned = _mm256_add_epi16(res, offset_const); // Accumulate values into the destination buffer if (do_average) { const __m256i data_ref_0 = load_line2_avx2(&dst_data[j], &dst_data[j + dst_stride]); const __m256i comp_avg_res = comp_avg(&data_ref_0, &res_unsigned, &wt, use_dist_wtd_comp_avg); const __m256i round_result = convolve_rounding( &comp_avg_res, &offset_const, &rounding_const, rounding_shift); const __m256i res_8 = _mm256_packus_epi16(round_result, round_result); const __m128i res_0 = _mm256_castsi256_si128(res_8); const __m128i res_1 = _mm256_extracti128_si256(res_8, 1); if (w > 4) { _mm_storel_epi64((__m128i *)(&dst0[i * dst_stride0 + j]), res_0); _mm_storel_epi64( (__m128i *)((&dst0[i * dst_stride0 + j + dst_stride0])), res_1); } else { *(int *)(&dst0[i * dst_stride0 + j]) = _mm_cvtsi128_si32(res_0); *(int *)(&dst0[i * dst_stride0 + j + dst_stride0]) = _mm_cvtsi128_si32(res_1); } } else { const __m128i res_0 = _mm256_castsi256_si128(res_unsigned); _mm_store_si128((__m128i *)(&dst[i * dst_stride + j]), res_0); const __m128i res_1 = _mm256_extracti128_si256(res_unsigned, 1); _mm_store_si128((__m128i *)(&dst[i * dst_stride + j + dst_stride]), res_1); } } } } } void av1_dist_wtd_convolve_y_avx2(const uint8_t *src, int src_stride, uint8_t *dst0, int dst_stride0, int w, int h, const InterpFilterParams *filter_params_y, const int subpel_y_qn, ConvolveParams *conv_params) { CONV_BUF_TYPE *dst = conv_params->dst; int dst_stride = conv_params->dst_stride; const int bd = 8; int i, j, is_vert_4tap = 0; // +1 to compensate for dividing the filter coeffs by 2 const int left_shift = FILTER_BITS - conv_params->round_0 + 1; const __m256i round_const = _mm256_set1_epi32((1 << conv_params->round_1) >> 1); const __m128i round_shift = _mm_cvtsi32_si128(conv_params->round_1); const __m256i wt = unpack_weights_avx2(conv_params); const int do_average = conv_params->do_average; const int use_dist_wtd_comp_avg = conv_params->use_dist_wtd_comp_avg; const int offset_0 = bd + 2 * FILTER_BITS - conv_params->round_0 - conv_params->round_1; const int offset = (1 << offset_0) + (1 << (offset_0 - 1)); const __m256i offset_const = _mm256_set1_epi16(offset); const int offset_1 = (1 << (bd + FILTER_BITS - 2)); const __m256i offset_const_1 = _mm256_set1_epi16(offset_1); const __m256i offset_const_2 = _mm256_set1_epi16((1 << offset_0)); const int rounding_shift = 2 * FILTER_BITS - conv_params->round_0 - conv_params->round_1; const __m256i rounding_const = _mm256_set1_epi16((1 << rounding_shift) >> 1); const __m256i zero = _mm256_setzero_si256(); __m256i coeffs[4], s[8]; assert((FILTER_BITS - conv_params->round_0) >= 0); prepare_coeffs_lowbd(filter_params_y, subpel_y_qn, coeffs); // Condition for checking valid vert_filt taps if (!(_mm256_extract_epi32(_mm256_or_si256(coeffs[0], coeffs[3]), 0))) is_vert_4tap = 1; if (is_vert_4tap) { const int fo_vert = 1; const uint8_t *const src_ptr = src - fo_vert * src_stride; for (j = 0; j < w; j += 16) { const uint8_t *data = &src_ptr[j]; __m256i src4; // Load lines a and b. Line a to lower 128, line b to upper 128 { __m256i src_ab[4]; __m256i src_a[5]; src_a[0] = _mm256_castsi128_si256(_mm_loadu_si128((__m128i *)data)); for (int kk = 0; kk < 4; ++kk) { data += src_stride; src_a[kk + 1] = _mm256_castsi128_si256(_mm_loadu_si128((__m128i *)data)); src_ab[kk] = _mm256_permute2x128_si256(src_a[kk], src_a[kk + 1], 0x20); } src4 = src_a[4]; s[0] = _mm256_unpacklo_epi8(src_ab[0], src_ab[1]); s[1] = _mm256_unpacklo_epi8(src_ab[2], src_ab[3]); s[3] = _mm256_unpackhi_epi8(src_ab[0], src_ab[1]); s[4] = _mm256_unpackhi_epi8(src_ab[2], src_ab[3]); } for (i = 0; i < h; i += 2) { data = &src_ptr[(i + 5) * src_stride + j]; const __m256i src5 = _mm256_castsi128_si256(_mm_loadu_si128((__m128i *)data)); const __m256i src_45a = _mm256_permute2x128_si256(src4, src5, 0x20); src4 = _mm256_castsi128_si256( _mm_loadu_si128((__m128i *)(data + src_stride))); const __m256i src_56a = _mm256_permute2x128_si256(src5, src4, 0x20); s[2] = _mm256_unpacklo_epi8(src_45a, src_56a); s[5] = _mm256_unpackhi_epi8(src_45a, src_56a); __m256i res_lo = convolve_lowbd_4tap(s, coeffs + 1); res_lo = _mm256_add_epi16(res_lo, offset_const_1); const __m256i res_lo_0_32b = _mm256_unpacklo_epi16(res_lo, zero); const __m256i res_lo_0_shift = _mm256_slli_epi32(res_lo_0_32b, left_shift); const __m256i res_lo_0_round = _mm256_sra_epi32( _mm256_add_epi32(res_lo_0_shift, round_const), round_shift); const __m256i res_lo_1_32b = _mm256_unpackhi_epi16(res_lo, zero); const __m256i res_lo_1_shift = _mm256_slli_epi32(res_lo_1_32b, left_shift); const __m256i res_lo_1_round = _mm256_sra_epi32( _mm256_add_epi32(res_lo_1_shift, round_const), round_shift); const __m256i res_lo_round = _mm256_packs_epi32(res_lo_0_round, res_lo_1_round); const __m256i res_lo_unsigned = _mm256_add_epi16(res_lo_round, offset_const_2); if (w - j < 16) { if (do_average) { const __m256i data_ref_0 = load_line2_avx2(&dst[i * dst_stride + j], &dst[i * dst_stride + j + dst_stride]); const __m256i comp_avg_res = comp_avg(&data_ref_0, &res_lo_unsigned, &wt, use_dist_wtd_comp_avg); const __m256i round_result = convolve_rounding( &comp_avg_res, &offset_const, &rounding_const, rounding_shift); const __m256i res_8 = _mm256_packus_epi16(round_result, round_result); const __m128i res_0 = _mm256_castsi256_si128(res_8); const __m128i res_1 = _mm256_extracti128_si256(res_8, 1); if (w - j > 4) { _mm_storel_epi64((__m128i *)(&dst0[i * dst_stride0 + j]), res_0); _mm_storel_epi64( (__m128i *)((&dst0[i * dst_stride0 + j + dst_stride0])), res_1); } else { *(int *)(&dst0[i * dst_stride0 + j]) = _mm_cvtsi128_si32(res_0); *(int *)(&dst0[i * dst_stride0 + j + dst_stride0]) = _mm_cvtsi128_si32(res_1); } } else { const __m128i res_0 = _mm256_castsi256_si128(res_lo_unsigned); _mm_store_si128((__m128i *)(&dst[i * dst_stride + j]), res_0); const __m128i res_1 = _mm256_extracti128_si256(res_lo_unsigned, 1); _mm_store_si128((__m128i *)(&dst[i * dst_stride + j + dst_stride]), res_1); } } else { __m256i res_hi = convolve_lowbd_4tap(s + 3, coeffs + 1); res_hi = _mm256_add_epi16(res_hi, offset_const_1); const __m256i res_hi_0_32b = _mm256_unpacklo_epi16(res_hi, zero); const __m256i res_hi_0_shift = _mm256_slli_epi32(res_hi_0_32b, left_shift); const __m256i res_hi_0_round = _mm256_sra_epi32( _mm256_add_epi32(res_hi_0_shift, round_const), round_shift); const __m256i res_hi_1_32b = _mm256_unpackhi_epi16(res_hi, zero); const __m256i res_hi_1_shift = _mm256_slli_epi32(res_hi_1_32b, left_shift); const __m256i res_hi_1_round = _mm256_sra_epi32( _mm256_add_epi32(res_hi_1_shift, round_const), round_shift); const __m256i res_hi_round = _mm256_packs_epi32(res_hi_0_round, res_hi_1_round); const __m256i res_hi_unsigned = _mm256_add_epi16(res_hi_round, offset_const_2); if (do_average) { const __m256i data_ref_0_lo = load_line2_avx2(&dst[i * dst_stride + j], &dst[i * dst_stride + j + dst_stride]); const __m256i data_ref_0_hi = load_line2_avx2(&dst[i * dst_stride + j + 8], &dst[i * dst_stride + j + 8 + dst_stride]); const __m256i comp_avg_res_lo = comp_avg( &data_ref_0_lo, &res_lo_unsigned, &wt, use_dist_wtd_comp_avg); const __m256i comp_avg_res_hi = comp_avg( &data_ref_0_hi, &res_hi_unsigned, &wt, use_dist_wtd_comp_avg); const __m256i round_result_lo = convolve_rounding(&comp_avg_res_lo, &offset_const, &rounding_const, rounding_shift); const __m256i round_result_hi = convolve_rounding(&comp_avg_res_hi, &offset_const, &rounding_const, rounding_shift); const __m256i res_8 = _mm256_packus_epi16(round_result_lo, round_result_hi); const __m128i res_0 = _mm256_castsi256_si128(res_8); const __m128i res_1 = _mm256_extracti128_si256(res_8, 1); _mm_store_si128((__m128i *)(&dst0[i * dst_stride0 + j]), res_0); _mm_store_si128( (__m128i *)((&dst0[i * dst_stride0 + j + dst_stride0])), res_1); } else { const __m128i res_lo_0 = _mm256_castsi256_si128(res_lo_unsigned); _mm_store_si128((__m128i *)(&dst[i * dst_stride + j]), res_lo_0); const __m128i res_lo_1 = _mm256_extracti128_si256(res_lo_unsigned, 1); _mm_store_si128((__m128i *)(&dst[i * dst_stride + j + dst_stride]), res_lo_1); const __m128i res_hi_0 = _mm256_castsi256_si128(res_hi_unsigned); _mm_store_si128((__m128i *)(&dst[i * dst_stride + j + 8]), res_hi_0); const __m128i res_hi_1 = _mm256_extracti128_si256(res_hi_unsigned, 1); _mm_store_si128( (__m128i *)(&dst[i * dst_stride + j + 8 + dst_stride]), res_hi_1); } } s[0] = s[1]; s[1] = s[2]; s[3] = s[4]; s[4] = s[5]; } } } else { const int fo_vert = filter_params_y->taps / 2 - 1; const uint8_t *const src_ptr = src - fo_vert * src_stride; for (j = 0; j < w; j += 16) { const uint8_t *data = &src_ptr[j]; __m256i src6; // Load lines a and b. Line a to lower 128, line b to upper 128 { __m256i src_ab[7]; __m256i src_a[7]; src_a[0] = _mm256_castsi128_si256(_mm_loadu_si128((__m128i *)data)); for (int kk = 0; kk < 6; ++kk) { data += src_stride; src_a[kk + 1] = _mm256_castsi128_si256(_mm_loadu_si128((__m128i *)data)); src_ab[kk] = _mm256_permute2x128_si256(src_a[kk], src_a[kk + 1], 0x20); } src6 = src_a[6]; s[0] = _mm256_unpacklo_epi8(src_ab[0], src_ab[1]); s[1] = _mm256_unpacklo_epi8(src_ab[2], src_ab[3]); s[2] = _mm256_unpacklo_epi8(src_ab[4], src_ab[5]); s[4] = _mm256_unpackhi_epi8(src_ab[0], src_ab[1]); s[5] = _mm256_unpackhi_epi8(src_ab[2], src_ab[3]); s[6] = _mm256_unpackhi_epi8(src_ab[4], src_ab[5]); } for (i = 0; i < h; i += 2) { data = &src_ptr[(i + 7) * src_stride + j]; const __m256i src7 = _mm256_castsi128_si256(_mm_loadu_si128((__m128i *)data)); const __m256i src_67a = _mm256_permute2x128_si256(src6, src7, 0x20); src6 = _mm256_castsi128_si256( _mm_loadu_si128((__m128i *)(data + src_stride))); const __m256i src_78a = _mm256_permute2x128_si256(src7, src6, 0x20); s[3] = _mm256_unpacklo_epi8(src_67a, src_78a); s[7] = _mm256_unpackhi_epi8(src_67a, src_78a); __m256i res_lo = convolve_lowbd(s, coeffs); res_lo = _mm256_add_epi16(res_lo, offset_const_1); const __m256i res_lo_0_32b = _mm256_unpacklo_epi16(res_lo, zero); const __m256i res_lo_0_shift = _mm256_slli_epi32(res_lo_0_32b, left_shift); const __m256i res_lo_0_round = _mm256_sra_epi32( _mm256_add_epi32(res_lo_0_shift, round_const), round_shift); const __m256i res_lo_1_32b = _mm256_unpackhi_epi16(res_lo, zero); const __m256i res_lo_1_shift = _mm256_slli_epi32(res_lo_1_32b, left_shift); const __m256i res_lo_1_round = _mm256_sra_epi32( _mm256_add_epi32(res_lo_1_shift, round_const), round_shift); const __m256i res_lo_round = _mm256_packs_epi32(res_lo_0_round, res_lo_1_round); const __m256i res_lo_unsigned = _mm256_add_epi16(res_lo_round, offset_const_2); if (w - j < 16) { if (do_average) { const __m256i data_ref_0 = load_line2_avx2(&dst[i * dst_stride + j], &dst[i * dst_stride + j + dst_stride]); const __m256i comp_avg_res = comp_avg(&data_ref_0, &res_lo_unsigned, &wt, use_dist_wtd_comp_avg); const __m256i round_result = convolve_rounding( &comp_avg_res, &offset_const, &rounding_const, rounding_shift); const __m256i res_8 = _mm256_packus_epi16(round_result, round_result); const __m128i res_0 = _mm256_castsi256_si128(res_8); const __m128i res_1 = _mm256_extracti128_si256(res_8, 1); if (w - j > 4) { _mm_storel_epi64((__m128i *)(&dst0[i * dst_stride0 + j]), res_0); _mm_storel_epi64( (__m128i *)((&dst0[i * dst_stride0 + j + dst_stride0])), res_1); } else { *(int *)(&dst0[i * dst_stride0 + j]) = _mm_cvtsi128_si32(res_0); *(int *)(&dst0[i * dst_stride0 + j + dst_stride0]) = _mm_cvtsi128_si32(res_1); } } else { const __m128i res_0 = _mm256_castsi256_si128(res_lo_unsigned); _mm_store_si128((__m128i *)(&dst[i * dst_stride + j]), res_0); const __m128i res_1 = _mm256_extracti128_si256(res_lo_unsigned, 1); _mm_store_si128((__m128i *)(&dst[i * dst_stride + j + dst_stride]), res_1); } } else { __m256i res_hi = convolve_lowbd(s + 4, coeffs); res_hi = _mm256_add_epi16(res_hi, offset_const_1); const __m256i res_hi_0_32b = _mm256_unpacklo_epi16(res_hi, zero); const __m256i res_hi_0_shift = _mm256_slli_epi32(res_hi_0_32b, left_shift); const __m256i res_hi_0_round = _mm256_sra_epi32( _mm256_add_epi32(res_hi_0_shift, round_const), round_shift); const __m256i res_hi_1_32b = _mm256_unpackhi_epi16(res_hi, zero); const __m256i res_hi_1_shift = _mm256_slli_epi32(res_hi_1_32b, left_shift); const __m256i res_hi_1_round = _mm256_sra_epi32( _mm256_add_epi32(res_hi_1_shift, round_const), round_shift); const __m256i res_hi_round = _mm256_packs_epi32(res_hi_0_round, res_hi_1_round); const __m256i res_hi_unsigned = _mm256_add_epi16(res_hi_round, offset_const_2); if (do_average) { const __m256i data_ref_0_lo = load_line2_avx2(&dst[i * dst_stride + j], &dst[i * dst_stride + j + dst_stride]); const __m256i data_ref_0_hi = load_line2_avx2(&dst[i * dst_stride + j + 8], &dst[i * dst_stride + j + 8 + dst_stride]); const __m256i comp_avg_res_lo = comp_avg( &data_ref_0_lo, &res_lo_unsigned, &wt, use_dist_wtd_comp_avg); const __m256i comp_avg_res_hi = comp_avg( &data_ref_0_hi, &res_hi_unsigned, &wt, use_dist_wtd_comp_avg); const __m256i round_result_lo = convolve_rounding(&comp_avg_res_lo, &offset_const, &rounding_const, rounding_shift); const __m256i round_result_hi = convolve_rounding(&comp_avg_res_hi, &offset_const, &rounding_const, rounding_shift); const __m256i res_8 = _mm256_packus_epi16(round_result_lo, round_result_hi); const __m128i res_0 = _mm256_castsi256_si128(res_8); const __m128i res_1 = _mm256_extracti128_si256(res_8, 1); _mm_store_si128((__m128i *)(&dst0[i * dst_stride0 + j]), res_0); _mm_store_si128( (__m128i *)((&dst0[i * dst_stride0 + j + dst_stride0])), res_1); } else { const __m128i res_lo_0 = _mm256_castsi256_si128(res_lo_unsigned); _mm_store_si128((__m128i *)(&dst[i * dst_stride + j]), res_lo_0); const __m128i res_lo_1 = _mm256_extracti128_si256(res_lo_unsigned, 1); _mm_store_si128((__m128i *)(&dst[i * dst_stride + j + dst_stride]), res_lo_1); const __m128i res_hi_0 = _mm256_castsi256_si128(res_hi_unsigned); _mm_store_si128((__m128i *)(&dst[i * dst_stride + j + 8]), res_hi_0); const __m128i res_hi_1 = _mm256_extracti128_si256(res_hi_unsigned, 1); _mm_store_si128( (__m128i *)(&dst[i * dst_stride + j + 8 + dst_stride]), res_hi_1); } } s[0] = s[1]; s[1] = s[2]; s[2] = s[3]; s[4] = s[5]; s[5] = s[6]; s[6] = s[7]; } } } } void av1_dist_wtd_convolve_2d_avx2(const uint8_t *src, int src_stride, uint8_t *dst0, int dst_stride0, int w, int h, const InterpFilterParams *filter_params_x, const InterpFilterParams *filter_params_y, const int subpel_x_qn, const int subpel_y_qn, ConvolveParams *conv_params) { CONV_BUF_TYPE *dst = conv_params->dst; int dst_stride = conv_params->dst_stride; const int bd = 8; DECLARE_ALIGNED(32, int16_t, im_block[(MAX_SB_SIZE + MAX_FILTER_TAP) * 8]); int im_stride = 8; int i, is_horiz_4tap = 0, is_vert_4tap = 0; const __m256i wt = unpack_weights_avx2(conv_params); const int do_average = conv_params->do_average; const int use_dist_wtd_comp_avg = conv_params->use_dist_wtd_comp_avg; const int offset_0 = bd + 2 * FILTER_BITS - conv_params->round_0 - conv_params->round_1; const int offset = (1 << offset_0) + (1 << (offset_0 - 1)); const __m256i offset_const = _mm256_set1_epi16(offset); const int rounding_shift = 2 * FILTER_BITS - conv_params->round_0 - conv_params->round_1; const __m256i rounding_const = _mm256_set1_epi16((1 << rounding_shift) >> 1); assert(conv_params->round_0 > 0); const __m256i round_const_h = _mm256_set1_epi16( ((1 << (conv_params->round_0 - 1)) >> 1) + (1 << (bd + FILTER_BITS - 2))); const __m128i round_shift_h = _mm_cvtsi32_si128(conv_params->round_0 - 1); const __m256i round_const_v = _mm256_set1_epi32( ((1 << conv_params->round_1) >> 1) - (1 << (bd + 2 * FILTER_BITS - conv_params->round_0 - 1))); const __m128i round_shift_v = _mm_cvtsi32_si128(conv_params->round_1); __m256i filt[4], coeffs_x[4], coeffs_y[4]; filt[0] = _mm256_load_si256((__m256i const *)filt_global_avx2); filt[1] = _mm256_load_si256((__m256i const *)(filt_global_avx2 + 32)); prepare_coeffs_lowbd(filter_params_x, subpel_x_qn, coeffs_x); prepare_coeffs(filter_params_y, subpel_y_qn, coeffs_y); // Condition for checking valid horz_filt taps if (!(_mm256_extract_epi32(_mm256_or_si256(coeffs_x[0], coeffs_x[3]), 0))) is_horiz_4tap = 1; // Condition for checking valid vert_filt taps if (!(_mm256_extract_epi32(_mm256_or_si256(coeffs_y[0], coeffs_y[3]), 0))) is_vert_4tap = 1; if (is_horiz_4tap) { int im_h = h + filter_params_y->taps - 1; const int fo_vert = filter_params_y->taps / 2 - 1; const int fo_horiz = 1; const uint8_t *const src_ptr = src - fo_vert * src_stride - fo_horiz; for (int j = 0; j < w; j += 8) { /* Horizontal filter */ const uint8_t *src_h = src_ptr + j; for (i = 0; i < im_h; i += 2) { __m256i data = _mm256_castsi128_si256(_mm_loadu_si128((__m128i *)src_h)); if (i + 1 < im_h) data = _mm256_inserti128_si256( data, _mm_loadu_si128((__m128i *)(src_h + src_stride)), 1); src_h += (src_stride << 1); __m256i res = convolve_lowbd_x_4tap(data, coeffs_x + 1, filt); res = _mm256_sra_epi16(_mm256_add_epi16(res, round_const_h), round_shift_h); _mm256_store_si256((__m256i *)&im_block[i * im_stride], res); } DIST_WTD_CONVOLVE_VERTICAL_FILTER_8TAP; } } else if (is_vert_4tap) { int im_h = h + 3; const int fo_vert = 1; const int fo_horiz = filter_params_x->taps / 2 - 1; const uint8_t *const src_ptr = src - fo_vert * src_stride - fo_horiz; filt[2] = _mm256_load_si256((__m256i const *)(filt_global_avx2 + 32 * 2)); filt[3] = _mm256_load_si256((__m256i const *)(filt_global_avx2 + 32 * 3)); for (int j = 0; j < w; j += 8) { /* Horizontal filter */ const uint8_t *src_h = src_ptr + j; DIST_WTD_CONVOLVE_HORIZONTAL_FILTER_8TAP; /* Vertical filter */ __m256i s[6]; __m256i s0 = _mm256_loadu_si256((__m256i *)(im_block + 0 * im_stride)); __m256i s1 = _mm256_loadu_si256((__m256i *)(im_block + 1 * im_stride)); __m256i s2 = _mm256_loadu_si256((__m256i *)(im_block + 2 * im_stride)); __m256i s3 = _mm256_loadu_si256((__m256i *)(im_block + 3 * im_stride)); s[0] = _mm256_unpacklo_epi16(s0, s1); s[1] = _mm256_unpacklo_epi16(s2, s3); s[3] = _mm256_unpackhi_epi16(s0, s1); s[4] = _mm256_unpackhi_epi16(s2, s3); for (i = 0; i < h; i += 2) { const int16_t *data = &im_block[i * im_stride]; const __m256i s4 = _mm256_loadu_si256((__m256i *)(data + 4 * im_stride)); const __m256i s5 = _mm256_loadu_si256((__m256i *)(data + 5 * im_stride)); s[2] = _mm256_unpacklo_epi16(s4, s5); s[5] = _mm256_unpackhi_epi16(s4, s5); const __m256i res_a = convolve_4tap(s, coeffs_y + 1); const __m256i res_a_round = _mm256_sra_epi32( _mm256_add_epi32(res_a, round_const_v), round_shift_v); if (w - j > 4) { const __m256i res_b = convolve_4tap(s + 3, coeffs_y + 1); const __m256i res_b_round = _mm256_sra_epi32( _mm256_add_epi32(res_b, round_const_v), round_shift_v); const __m256i res_16b = _mm256_packs_epi32(res_a_round, res_b_round); const __m256i res_unsigned = _mm256_add_epi16(res_16b, offset_const); if (do_average) { const __m256i data_ref_0 = load_line2_avx2(&dst[i * dst_stride + j], &dst[i * dst_stride + j + dst_stride]); const __m256i comp_avg_res = comp_avg(&data_ref_0, &res_unsigned, &wt, use_dist_wtd_comp_avg); const __m256i round_result = convolve_rounding( &comp_avg_res, &offset_const, &rounding_const, rounding_shift); const __m256i res_8 = _mm256_packus_epi16(round_result, round_result); const __m128i res_0 = _mm256_castsi256_si128(res_8); const __m128i res_1 = _mm256_extracti128_si256(res_8, 1); _mm_storel_epi64((__m128i *)(&dst0[i * dst_stride0 + j]), res_0); _mm_storel_epi64( (__m128i *)((&dst0[i * dst_stride0 + j + dst_stride0])), res_1); } else { const __m128i res_0 = _mm256_castsi256_si128(res_unsigned); _mm_store_si128((__m128i *)(&dst[i * dst_stride + j]), res_0); const __m128i res_1 = _mm256_extracti128_si256(res_unsigned, 1); _mm_store_si128((__m128i *)(&dst[i * dst_stride + j + dst_stride]), res_1); } } else { const __m256i res_16b = _mm256_packs_epi32(res_a_round, res_a_round); const __m256i res_unsigned = _mm256_add_epi16(res_16b, offset_const); if (do_average) { const __m256i data_ref_0 = load_line2_avx2(&dst[i * dst_stride + j], &dst[i * dst_stride + j + dst_stride]); const __m256i comp_avg_res = comp_avg(&data_ref_0, &res_unsigned, &wt, use_dist_wtd_comp_avg); const __m256i round_result = convolve_rounding( &comp_avg_res, &offset_const, &rounding_const, rounding_shift); const __m256i res_8 = _mm256_packus_epi16(round_result, round_result); const __m128i res_0 = _mm256_castsi256_si128(res_8); const __m128i res_1 = _mm256_extracti128_si256(res_8, 1); *(int *)(&dst0[i * dst_stride0 + j]) = _mm_cvtsi128_si32(res_0); *(int *)(&dst0[i * dst_stride0 + j + dst_stride0]) = _mm_cvtsi128_si32(res_1); } else { const __m128i res_0 = _mm256_castsi256_si128(res_unsigned); _mm_store_si128((__m128i *)(&dst[i * dst_stride + j]), res_0); const __m128i res_1 = _mm256_extracti128_si256(res_unsigned, 1); _mm_store_si128((__m128i *)(&dst[i * dst_stride + j + dst_stride]), res_1); } } s[0] = s[1]; s[1] = s[2]; s[3] = s[4]; s[4] = s[5]; } } } else { int im_h = h + filter_params_y->taps - 1; const int fo_vert = filter_params_y->taps / 2 - 1; const int fo_horiz = filter_params_x->taps / 2 - 1; const uint8_t *const src_ptr = src - fo_vert * src_stride - fo_horiz; filt[2] = _mm256_load_si256((__m256i const *)(filt_global_avx2 + 32 * 2)); filt[3] = _mm256_load_si256((__m256i const *)(filt_global_avx2 + 32 * 3)); for (int j = 0; j < w; j += 8) { /* Horizontal filter */ const uint8_t *src_h = src_ptr + j; DIST_WTD_CONVOLVE_HORIZONTAL_FILTER_8TAP; DIST_WTD_CONVOLVE_VERTICAL_FILTER_8TAP; } } } #define DO_NO_AVG_2D_COPY_4X16(r0, c0, r1, c1, r2, c2, r3, c3) \ do { \ src_0 = _mm256_cvtepu8_epi16( \ _mm_loadu_si128((__m128i *)(&src[r0 * src_stride + c0]))); \ src_1 = _mm256_cvtepu8_epi16( \ _mm_loadu_si128((__m128i *)(&src[r1 * src_stride + c1]))); \ src_2 = _mm256_cvtepu8_epi16( \ _mm_loadu_si128((__m128i *)(&src[r2 * src_stride + c2]))); \ src_3 = _mm256_cvtepu8_epi16( \ _mm_loadu_si128((__m128i *)(&src[r3 * src_stride + c3]))); \ \ src_0 = _mm256_slli_epi16(src_0, LEFT_SHIFT); \ src_1 = _mm256_slli_epi16(src_1, LEFT_SHIFT); \ src_2 = _mm256_slli_epi16(src_2, LEFT_SHIFT); \ src_3 = _mm256_slli_epi16(src_3, LEFT_SHIFT); \ \ src_0 = _mm256_add_epi16(src_0, offset_const); \ src_1 = _mm256_add_epi16(src_1, offset_const); \ src_2 = _mm256_add_epi16(src_2, offset_const); \ src_3 = _mm256_add_epi16(src_3, offset_const); \ \ _mm256_store_si256((__m256i *)(&dst[r0 * dst_stride + c0]), src_0); \ _mm256_store_si256((__m256i *)(&dst[r1 * dst_stride + c1]), src_1); \ _mm256_store_si256((__m256i *)(&dst[r2 * dst_stride + c2]), src_2); \ _mm256_store_si256((__m256i *)(&dst[r3 * dst_stride + c3]), src_3); \ } while (0) #define LEFT_SHIFT (2 * FILTER_BITS - 3 - 7) static inline void av1_dist_wtd_convolve_2d_no_avg_copy_avx2( const uint8_t *src, int src_stride, CONV_BUF_TYPE *dst, int dst_stride, int w, int h, const __m256i offset_const) { int i = h; if (w >= 16) { __m256i src_0, src_1, src_2, src_3; if (w == 128) { do { DO_NO_AVG_2D_COPY_4X16(0, 0, 0, 16, 0, 32, 0, 48); DO_NO_AVG_2D_COPY_4X16(0, 64, 0, 80, 0, 96, 0, 112); src += 1 * src_stride; dst += 1 * dst_stride; i -= 1; } while (i); } else if (w == 64) { do { DO_NO_AVG_2D_COPY_4X16(0, 0, 0, 16, 0, 32, 0, 48); src += 1 * src_stride; dst += 1 * dst_stride; i -= 1; } while (i); } else if (w == 32) { do { DO_NO_AVG_2D_COPY_4X16(0, 0, 1, 0, 0, 16, 1, 16); src += 2 * src_stride; dst += 2 * dst_stride; i -= 2; } while (i); } else if (w == 16) { do { DO_NO_AVG_2D_COPY_4X16(0, 0, 1, 0, 2, 0, 3, 0); src += 4 * src_stride; dst += 4 * dst_stride; i -= 4; } while (i); } } else { const __m256i zero = _mm256_setzero_si256(); do { const __m128i src_row_0 = _mm_loadl_epi64((__m128i *)(&src[0 * src_stride])); const __m128i src_row_1 = _mm_loadl_epi64((__m128i *)(&src[1 * src_stride])); const __m128i src_row_2 = _mm_loadl_epi64((__m128i *)(&src[2 * src_stride])); const __m128i src_row_3 = _mm_loadl_epi64((__m128i *)(&src[3 * src_stride])); __m256i src_10 = _mm256_insertf128_si256( _mm256_castsi128_si256(src_row_0), src_row_1, 1); __m256i src_32 = _mm256_insertf128_si256( _mm256_castsi128_si256(src_row_2), src_row_3, 1); src_10 = _mm256_unpacklo_epi8(src_10, zero); src_32 = _mm256_unpacklo_epi8(src_32, zero); src_10 = _mm256_slli_epi16(src_10, LEFT_SHIFT); src_32 = _mm256_slli_epi16(src_32, LEFT_SHIFT); src_10 = _mm256_add_epi16(src_10, offset_const); src_32 = _mm256_add_epi16(src_32, offset_const); // Accumulate values into the destination buffer _mm_store_si128((__m128i *)(&dst[0 * dst_stride]), _mm256_castsi256_si128(src_10)); _mm_store_si128((__m128i *)(&dst[1 * dst_stride]), _mm256_extracti128_si256(src_10, 1)); _mm_store_si128((__m128i *)(&dst[2 * dst_stride]), _mm256_castsi256_si128(src_32)); _mm_store_si128((__m128i *)(&dst[3 * dst_stride]), _mm256_extracti128_si256(src_32, 1)); src += 4 * src_stride; dst += 4 * dst_stride; i -= 4; } while (i); } } #define DO_AVG_2D_COPY_4X16(USE_DIST_WEIGHTED, r0, c0, r1, c1, r2, c2, r3, c3) \ do { \ src_0 = _mm256_cvtepu8_epi16( \ _mm_loadu_si128((__m128i *)(&src[r0 * src_stride + c0]))); \ src_1 = _mm256_cvtepu8_epi16( \ _mm_loadu_si128((__m128i *)(&src[r1 * src_stride + c1]))); \ src_2 = _mm256_cvtepu8_epi16( \ _mm_loadu_si128((__m128i *)(&src[r2 * src_stride + c2]))); \ src_3 = _mm256_cvtepu8_epi16( \ _mm_loadu_si128((__m128i *)(&src[r3 * src_stride + c3]))); \ \ src_0 = _mm256_slli_epi16(src_0, LEFT_SHIFT); \ src_1 = _mm256_slli_epi16(src_1, LEFT_SHIFT); \ src_2 = _mm256_slli_epi16(src_2, LEFT_SHIFT); \ src_3 = _mm256_slli_epi16(src_3, LEFT_SHIFT); \ src_0 = _mm256_add_epi16(src_0, offset_const); \ src_1 = _mm256_add_epi16(src_1, offset_const); \ src_2 = _mm256_add_epi16(src_2, offset_const); \ src_3 = _mm256_add_epi16(src_3, offset_const); \ \ ref_0 = _mm256_loadu_si256((__m256i *)(&dst[r0 * dst_stride + c0])); \ ref_1 = _mm256_loadu_si256((__m256i *)(&dst[r1 * dst_stride + c1])); \ ref_2 = _mm256_loadu_si256((__m256i *)(&dst[r2 * dst_stride + c2])); \ ref_3 = _mm256_loadu_si256((__m256i *)(&dst[r3 * dst_stride + c3])); \ \ res_0 = comp_avg(&ref_0, &src_0, &wt, USE_DIST_WEIGHTED); \ res_1 = comp_avg(&ref_1, &src_1, &wt, USE_DIST_WEIGHTED); \ res_2 = comp_avg(&ref_2, &src_2, &wt, USE_DIST_WEIGHTED); \ res_3 = comp_avg(&ref_3, &src_3, &wt, USE_DIST_WEIGHTED); \ \ res_0 = convolve_rounding(&res_0, &offset_const, &rounding_const, \ rounding_shift); \ res_1 = convolve_rounding(&res_1, &offset_const, &rounding_const, \ rounding_shift); \ res_2 = convolve_rounding(&res_2, &offset_const, &rounding_const, \ rounding_shift); \ res_3 = convolve_rounding(&res_3, &offset_const, &rounding_const, \ rounding_shift); \ \ res_10 = _mm256_packus_epi16(res_0, res_1); \ res_32 = _mm256_packus_epi16(res_2, res_3); \ res_10 = _mm256_permute4x64_epi64(res_10, 0xD8); \ res_32 = _mm256_permute4x64_epi64(res_32, 0xD8); \ \ _mm_store_si128((__m128i *)(&dst0[r0 * dst_stride0 + c0]), \ _mm256_castsi256_si128(res_10)); \ _mm_store_si128((__m128i *)(&dst0[r1 * dst_stride0 + c1]), \ _mm256_extracti128_si256(res_10, 1)); \ _mm_store_si128((__m128i *)(&dst0[r2 * dst_stride0 + c2]), \ _mm256_castsi256_si128(res_32)); \ _mm_store_si128((__m128i *)(&dst0[r3 * dst_stride0 + c3]), \ _mm256_extracti128_si256(res_32, 1)); \ } while (0) #define DO_AVG_2D_COPY(USE_DIST_WEIGHTED) \ int i = h; \ if (w >= 16) { \ __m256i src_0, src_1, src_2, src_3; \ __m256i ref_0, ref_1, ref_2, ref_3; \ __m256i res_0, res_1, res_2, res_3; \ __m256i res_10, res_32; \ if (w == 128) { \ do { \ DO_AVG_2D_COPY_4X16(USE_DIST_WEIGHTED, 0, 0, 0, 16, 0, 32, 0, 48); \ DO_AVG_2D_COPY_4X16(USE_DIST_WEIGHTED, 0, 64, 0, 80, 0, 96, 0, 112); \ i -= 1; \ src += 1 * src_stride; \ dst += 1 * dst_stride; \ dst0 += 1 * dst_stride0; \ } while (i); \ } else if (w == 64) { \ do { \ DO_AVG_2D_COPY_4X16(USE_DIST_WEIGHTED, 0, 0, 0, 16, 0, 32, 0, 48); \ \ i -= 1; \ src += 1 * src_stride; \ dst += 1 * dst_stride; \ dst0 += 1 * dst_stride0; \ } while (i); \ } else if (w == 32) { \ do { \ DO_AVG_2D_COPY_4X16(USE_DIST_WEIGHTED, 0, 0, 1, 0, 0, 16, 1, 16); \ \ i -= 2; \ src += 2 * src_stride; \ dst += 2 * dst_stride; \ dst0 += 2 * dst_stride0; \ } while (i); \ } else { \ assert(w == 16); \ do { \ DO_AVG_2D_COPY_4X16(USE_DIST_WEIGHTED, 0, 0, 1, 0, 2, 0, 3, 0); \ \ i -= 4; \ src += 4 * src_stride; \ dst += 4 * dst_stride; \ dst0 += 4 * dst_stride0; \ } while (i); \ } \ } else if (w == 8) { \ do { \ const __m128i src_0 = \ _mm_loadl_epi64((__m128i *)(&src[0 * src_stride])); \ const __m128i src_1 = \ _mm_loadl_epi64((__m128i *)(&src[1 * src_stride])); \ const __m128i src_2 = \ _mm_loadl_epi64((__m128i *)(&src[2 * src_stride])); \ const __m128i src_3 = \ _mm_loadl_epi64((__m128i *)(&src[3 * src_stride])); \ __m256i src_10 = \ _mm256_insertf128_si256(_mm256_castsi128_si256(src_0), src_1, 1); \ __m256i src_32 = \ _mm256_insertf128_si256(_mm256_castsi128_si256(src_2), src_3, 1); \ \ src_10 = _mm256_unpacklo_epi8(src_10, zero); \ src_32 = _mm256_unpacklo_epi8(src_32, zero); \ \ src_10 = _mm256_slli_epi16(src_10, LEFT_SHIFT); \ src_32 = _mm256_slli_epi16(src_32, LEFT_SHIFT); \ \ src_10 = _mm256_add_epi16(src_10, offset_const); \ src_32 = _mm256_add_epi16(src_32, offset_const); \ \ const __m256i ref_10 = \ load_line2_avx2(&dst[0 * dst_stride], &dst[1 * dst_stride]); \ const __m256i ref_32 = \ load_line2_avx2(&dst[2 * dst_stride], &dst[3 * dst_stride]); \ __m256i res_10 = comp_avg(&ref_10, &src_10, &wt, USE_DIST_WEIGHTED); \ __m256i res_32 = comp_avg(&ref_32, &src_32, &wt, USE_DIST_WEIGHTED); \ \ res_10 = convolve_rounding(&res_10, &offset_const, &rounding_const, \ rounding_shift); \ res_32 = convolve_rounding(&res_32, &offset_const, &rounding_const, \ rounding_shift); \ \ __m256i res = _mm256_packus_epi16(res_10, res_32); \ const __m128i res_20 = _mm256_castsi256_si128(res); \ const __m128i res_31 = _mm256_extracti128_si256(res, 1); \ \ _mm_storel_epi64((__m128i *)(&dst0[0 * dst_stride0]), res_20); \ _mm_storel_epi64((__m128i *)((&dst0[1 * dst_stride0])), res_31); \ _mm_storeh_epi64((__m128i *)(&dst0[2 * dst_stride0]), res_20); \ _mm_storeh_epi64((__m128i *)((&dst0[3 * dst_stride0])), res_31); \ i -= 4; \ src += 4 * src_stride; \ dst += 4 * dst_stride; \ dst0 += 4 * dst_stride0; \ } while (i); \ } else { \ assert(w == 4); \ do { \ __m256i src_3210_8bit = \ _mm256_setr_epi32(loadu_int32(src + 0 * src_stride), \ loadu_int32(src + 1 * src_stride), 0, 0, \ loadu_int32(src + 2 * src_stride), \ loadu_int32(src + 3 * src_stride), 0, 0); \ \ __m256i src_3210 = _mm256_unpacklo_epi8(src_3210_8bit, zero); \ src_3210 = _mm256_slli_epi16(src_3210, LEFT_SHIFT); \ src_3210 = _mm256_add_epi16(src_3210, offset_const); \ \ __m256i ref_3210 = \ _mm256_setr_epi64x(*(int64_t *)(dst + 0 * dst_stride), \ *(int64_t *)(dst + 1 * dst_stride), \ *(int64_t *)(dst + 2 * dst_stride), \ *(int64_t *)(dst + 3 * dst_stride)); \ __m256i res_3210 = \ comp_avg(&ref_3210, &src_3210, &wt, USE_DIST_WEIGHTED); \ \ res_3210 = convolve_rounding(&res_3210, &offset_const, &rounding_const, \ rounding_shift); \ \ res_3210 = _mm256_packus_epi16(res_3210, res_3210); \ const __m128i res_10 = _mm256_castsi256_si128(res_3210); \ const __m128i res_32 = _mm256_extracti128_si256(res_3210, 1); \ \ *(int *)(&dst0[0 * dst_stride0]) = _mm_cvtsi128_si32(res_10); \ *(int *)(&dst0[2 * dst_stride0]) = _mm_cvtsi128_si32(res_32); \ *(int *)(&dst0[1 * dst_stride0]) = _mm_extract_epi32(res_10, 1); \ *(int *)(&dst0[3 * dst_stride0]) = _mm_extract_epi32(res_32, 1); \ i -= 4; \ src += 4 * src_stride; \ dst += 4 * dst_stride; \ dst0 += 4 * dst_stride0; \ } while (i); \ } void av1_dist_wtd_convolve_2d_copy_avx2(const uint8_t *src, int src_stride, uint8_t *dst0, int dst_stride0, int w, int h, ConvolveParams *conv_params) { const int bd = 8; CONV_BUF_TYPE *dst = conv_params->dst; int dst_stride = conv_params->dst_stride; assert(conv_params->round_0 == 3); assert(conv_params->round_1 == 7); assert(w % 4 == 0); assert(h % 4 == 0); const int do_average = conv_params->do_average; const int use_dist_wtd_comp_avg = conv_params->use_dist_wtd_comp_avg; const __m256i wt = unpack_weights_avx2(conv_params); const __m256i zero = _mm256_setzero_si256(); const int offset_0 = bd + 2 * FILTER_BITS - conv_params->round_0 - conv_params->round_1; const int offset = (1 << offset_0) + (1 << (offset_0 - 1)); const __m256i offset_const = _mm256_set1_epi16(offset); const int rounding_shift = 2 * FILTER_BITS - conv_params->round_0 - conv_params->round_1; const __m256i rounding_const = _mm256_set1_epi16((1 << rounding_shift) >> 1); if (do_average) { if (use_dist_wtd_comp_avg) { DO_AVG_2D_COPY(1) } else { DO_AVG_2D_COPY(0) } } else { av1_dist_wtd_convolve_2d_no_avg_copy_avx2(src, src_stride, dst, dst_stride, w, h, offset_const); } } #undef LEFT_SHIFT