| /* |
| * 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 <immintrin.h> |
| |
| #include "config/aom_dsp_rtcd.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/aom_dsp_common.h" |
| #include "aom_dsp/aom_filter.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 { |
| *(uint32_t *)(&dst0[i * dst_stride0 + j]) = |
| _mm_cvtsi128_si32(res_0); |
| *(uint32_t *)(&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 { |
| *(uint32_t *)(&dst0[i * dst_stride0 + j]) = |
| _mm_cvtsi128_si32(res_0); |
| *(uint32_t *)(&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 { |
| *(uint32_t *)(&dst0[i * dst_stride0 + j]) = |
| _mm_cvtsi128_si32(res_0); |
| *(uint32_t *)(&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 { |
| *(uint32_t *)(&dst0[i * dst_stride0 + j]) = |
| _mm_cvtsi128_si32(res_0); |
| *(uint32_t *)(&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); |
| |
| *(uint32_t *)(&dst0[i * dst_stride0 + j]) = |
| _mm_cvtsi128_si32(res_0); |
| *(uint32_t *)(&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; |
| } |
| } |
| } |
| |
| 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; |
| |
| const int bits = |
| FILTER_BITS * 2 - conv_params->round_1 - conv_params->round_0; |
| const __m128i left_shift = _mm_cvtsi32_si128(bits); |
| 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); |
| int i, j; |
| |
| if (!(w % 16)) { |
| for (i = 0; i < h; i += 1) { |
| for (j = 0; j < w; j += 16) { |
| const __m256i src_16bit = _mm256_cvtepu8_epi16( |
| _mm_loadu_si128((__m128i *)(&src[i * src_stride + j]))); |
| |
| const __m256i res = _mm256_sll_epi16(src_16bit, left_shift); |
| const __m256i res_unsigned = _mm256_add_epi16(res, offset_const); |
| |
| if (do_average) { |
| const __m256i data_ref_0 = |
| _mm256_loadu_si256((__m256i *)(&dst[i * dst_stride + j])); |
| |
| 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 __m256i res_0 = _mm256_permute4x64_epi64(res_8, 0xD8); |
| |
| _mm_store_si128((__m128i *)(&dst0[i * dst_stride0 + j]), |
| _mm256_castsi256_si128(res_0)); |
| } else { |
| _mm256_store_si256((__m256i *)(&dst[i * dst_stride + j]), |
| res_unsigned); |
| } |
| } |
| } |
| } else if (!(w % 4)) { |
| for (i = 0; i < h; i += 2) { |
| for (j = 0; j < w; j += 8) { |
| const __m128i src_row_0 = |
| _mm_loadl_epi64((__m128i *)(&src[i * src_stride + j])); |
| const __m128i src_row_1 = |
| _mm_loadl_epi64((__m128i *)(&src[i * src_stride + j + src_stride])); |
| // since not all compilers yet support _mm256_set_m128i() |
| const __m256i src_10 = _mm256_insertf128_si256( |
| _mm256_castsi128_si256(src_row_0), src_row_1, 1); |
| |
| const __m256i src_16bit = _mm256_unpacklo_epi8(src_10, zero); |
| |
| const __m256i res = _mm256_sll_epi16(src_16bit, left_shift); |
| |
| 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[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); |
| |
| 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 { |
| *(uint32_t *)(&dst0[i * dst_stride0 + j]) = |
| _mm_cvtsi128_si32(res_0); |
| *(uint32_t *)(&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); |
| } |
| } |
| } |
| } |
| } |
