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Diffstat (limited to '')
-rw-r--r-- | third_party/aom/av1/common/x86/jnt_convolve_avx2.c | 1124 |
1 files changed, 1124 insertions, 0 deletions
diff --git a/third_party/aom/av1/common/x86/jnt_convolve_avx2.c b/third_party/aom/av1/common/x86/jnt_convolve_avx2.c new file mode 100644 index 0000000000..9f82ed2300 --- /dev/null +++ b/third_party/aom/av1/common/x86/jnt_convolve_avx2.c @@ -0,0 +1,1124 @@ +/* + * 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 <emmintrin.h> +#include <immintrin.h> + +#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 AOM_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 |