/* * Copyright (c) 2020, 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 "config/av1_rtcd.h" #include "av1/common/warped_motion.h" void av1_highbd_warp_affine_avx2(const int32_t *mat, const uint16_t *ref, int width, int height, int stride, uint16_t *pred, int p_col, int p_row, int p_width, int p_height, int p_stride, int subsampling_x, int subsampling_y, int bd, ConvolveParams *conv_params, int16_t alpha, int16_t beta, int16_t gamma, int16_t delta) { __m256i tmp[15]; const int reduce_bits_horiz = conv_params->round_0; const int reduce_bits_vert = conv_params->is_compound ? conv_params->round_1 : 2 * FILTER_BITS - reduce_bits_horiz; const int max_bits_horiz = bd + FILTER_BITS + 1 - reduce_bits_horiz; const int offset_bits_horiz = bd + FILTER_BITS - 1; const int offset_bits_vert = bd + 2 * FILTER_BITS - reduce_bits_horiz; const int round_bits = 2 * FILTER_BITS - conv_params->round_0 - conv_params->round_1; const int offset_bits = bd + 2 * FILTER_BITS - conv_params->round_0; (void)max_bits_horiz; assert(IMPLIES(conv_params->is_compound, conv_params->dst != NULL)); // Check that, even with 12-bit input, the intermediate values will fit // into an unsigned 16-bit intermediate array. assert(bd + FILTER_BITS + 2 - conv_params->round_0 <= 16); const __m256i clip_pixel = _mm256_set1_epi16(bd == 10 ? 1023 : (bd == 12 ? 4095 : 255)); const __m128i reduce_bits_vert_shift = _mm_cvtsi32_si128(reduce_bits_vert); const __m256i reduce_bits_vert_const = _mm256_set1_epi32(((1 << reduce_bits_vert) >> 1)); const __m256i res_add_const = _mm256_set1_epi32(1 << offset_bits_vert); const __m256i res_sub_const = _mm256_set1_epi32(-(1 << (offset_bits - conv_params->round_1)) - (1 << (offset_bits - conv_params->round_1 - 1))); __m128i round_bits_shift = _mm_cvtsi32_si128(round_bits); __m256i round_bits_const = _mm256_set1_epi32(((1 << round_bits) >> 1)); const int w0 = conv_params->fwd_offset; const int w1 = conv_params->bck_offset; const __m256i wt0 = _mm256_set1_epi32(w0); const __m256i wt1 = _mm256_set1_epi32(w1); __m256i v_rbhoriz = _mm256_set1_epi32(1 << (reduce_bits_horiz - 1)); __m256i v_zeros = _mm256_setzero_si256(); int ohoriz = 1 << offset_bits_horiz; int mhoriz = 1 << max_bits_horiz; (void)mhoriz; int sx; for (int i = 0; i < p_height; i += 8) { for (int j = 0; j < p_width; j += 8) { // Calculate the center of this 8x8 block, // project to luma coordinates (if in a subsampled chroma plane), // apply the affine transformation, // then convert back to the original coordinates (if necessary) const int32_t src_x = (p_col + j + 4) << subsampling_x; const int32_t src_y = (p_row + i + 4) << subsampling_y; const int64_t dst_x = (int64_t)mat[2] * src_x + (int64_t)mat[3] * src_y + (int64_t)mat[0]; const int64_t dst_y = (int64_t)mat[4] * src_x + (int64_t)mat[5] * src_y + (int64_t)mat[1]; const int64_t x4 = dst_x >> subsampling_x; const int64_t y4 = dst_y >> subsampling_y; const int16_t ix4 = (int32_t)(x4 >> WARPEDMODEL_PREC_BITS); int32_t sx4 = x4 & ((1 << WARPEDMODEL_PREC_BITS) - 1); const int16_t iy4 = (int32_t)(y4 >> WARPEDMODEL_PREC_BITS); int32_t sy4 = y4 & ((1 << WARPEDMODEL_PREC_BITS) - 1); sx4 += alpha * (-4) + beta * (-4) + (1 << (WARPEDDIFF_PREC_BITS - 1)) + (WARPEDPIXEL_PREC_SHIFTS << WARPEDDIFF_PREC_BITS); sy4 += gamma * (-4) + delta * (-4) + (1 << (WARPEDDIFF_PREC_BITS - 1)) + (WARPEDPIXEL_PREC_SHIFTS << WARPEDDIFF_PREC_BITS); sx4 &= ~((1 << WARP_PARAM_REDUCE_BITS) - 1); sy4 &= ~((1 << WARP_PARAM_REDUCE_BITS) - 1); // Horizontal filter if (ix4 <= -7) { for (int k = -7; k < AOMMIN(8, p_height - i); ++k) { int iy = iy4 + k; if (iy < 0) iy = 0; else if (iy > height - 1) iy = height - 1; tmp[k + 7] = _mm256_cvtepi16_epi32(_mm_set1_epi16( (1 << (bd + FILTER_BITS - reduce_bits_horiz - 1)) + ref[iy * stride] * (1 << (FILTER_BITS - reduce_bits_horiz)))); } } else if (ix4 >= width + 6) { for (int k = -7; k < AOMMIN(8, p_height - i); ++k) { int iy = iy4 + k; if (iy < 0) iy = 0; else if (iy > height - 1) iy = height - 1; tmp[k + 7] = _mm256_cvtepi16_epi32( _mm_set1_epi16((1 << (bd + FILTER_BITS - reduce_bits_horiz - 1)) + ref[iy * stride + (width - 1)] * (1 << (FILTER_BITS - reduce_bits_horiz)))); } } else if (((ix4 - 7) < 0) || ((ix4 + 9) > width)) { int32_t tmp1[8]; for (int k = -7; k < AOMMIN(8, p_height - i); ++k) { const int iy = clamp(iy4 + k, 0, height - 1); sx = sx4 + beta * (k + 4); for (int l = -4; l < 4; ++l) { int ix = ix4 + l - 3; const int offs = sx >> WARPEDDIFF_PREC_BITS; const int16_t *coeffs = av1_warped_filter[offs]; int32_t sum = 1 << offset_bits_horiz; for (int m = 0; m < 8; ++m) { const int sample_x = clamp(ix + m, 0, width - 1); sum += ref[iy * stride + sample_x] * coeffs[m]; } sum = ROUND_POWER_OF_TWO(sum, reduce_bits_horiz); tmp1[(l + 4) / 2 + ((l + 4) % 2) * 4] = sum; sx += alpha; } tmp[k + 7] = _mm256_loadu_si256((__m256i *)tmp1); } } else { if (beta == 0 && alpha == 0) { sx = sx4; __m128i v_01 = _mm_loadu_si128( (__m128i *) av1_warped_filter[sx >> WARPEDDIFF_PREC_BITS]); // A7A6A5A4A3A2A1A0 __m256i v_c01 = _mm256_broadcastd_epi32(v_01); // A1A0A1A0A1A0A1A0 __m256i v_c23 = _mm256_broadcastd_epi32( _mm_shuffle_epi32(v_01, 1)); // A3A2A3A2A3A2A3A2 __m256i v_c45 = _mm256_broadcastd_epi32( _mm_shuffle_epi32(v_01, 2)); // A5A4A5A4A5A4A5A4 __m256i v_c67 = _mm256_broadcastd_epi32( _mm_shuffle_epi32(v_01, 3)); // A7A6A7A6A7A6A7A6 for (int k = -7; k < AOMMIN(8, p_height - i); ++k) { int iy = iy4 + k; if (iy < 0) iy = 0; else if (iy > height - 1) iy = height - 1; iy = iy * stride; __m256i v_refl = _mm256_inserti128_si256( _mm256_setzero_si256(), _mm_loadu_si128((__m128i *)&ref[iy + ix4 - 7]), 0); v_refl = _mm256_inserti128_si256( v_refl, _mm_loadu_si128((__m128i *)&ref[iy + ix4 + 1]), 1); // R15 .. R0 __m256i v_ref = _mm256_permute4x64_epi64(v_refl, 0xEE); __m256i v_refu = _mm256_alignr_epi8(v_ref, v_refl, 2); // R8R15R14...R2R1 v_refl = _mm256_inserti128_si256( v_refl, _mm256_extracti128_si256(v_refu, 0), 1); v_refu = _mm256_inserti128_si256( v_refu, _mm256_extracti128_si256(v_ref, 0), 0); __m256i v_sum = _mm256_set1_epi32(ohoriz); __m256i parsum = _mm256_madd_epi16( v_c01, _mm256_alignr_epi8(v_refu, v_refl, 0)); // R8R7R6..R1R7R6R5..R1R0 __m256i v_sum1 = _mm256_add_epi32(v_sum, parsum); parsum = _mm256_madd_epi16( v_c23, _mm256_alignr_epi8(v_refu, v_refl, 4)); // R10R9..R3R9R8..R3R2 __m256i v_sum2 = _mm256_add_epi32(v_sum1, parsum); parsum = _mm256_madd_epi16( v_c45, _mm256_alignr_epi8(v_refu, v_refl, 8)); // R12R11..R5R11R10..R5R4 __m256i v_sum3 = _mm256_add_epi32(v_sum2, parsum); parsum = _mm256_madd_epi16( v_c67, _mm256_alignr_epi8(v_refu, v_refl, 12)); // R14R13..R7R13R12..R7R6 __m256i v_sum4 = _mm256_add_epi32(v_sum3, parsum); tmp[k + 7] = _mm256_srai_epi32(_mm256_add_epi32(v_sum4, v_rbhoriz), reduce_bits_horiz); } } else if (alpha == 0) { for (int k = -7; k < AOMMIN(8, p_height - i); ++k) { int iy = iy4 + k; if (iy < 0) iy = 0; else if (iy > height - 1) iy = height - 1; iy = iy * stride; sx = sx4 + beta * (k + 4); __m128i v_01 = _mm_loadu_si128( (__m128i *)av1_warped_filter [sx >> WARPEDDIFF_PREC_BITS]); // A7A6A5A4A3A2A1A0 __m256i v_c01 = _mm256_broadcastd_epi32(v_01); // A1A0A1A0A1A0A1A0 __m256i v_c23 = _mm256_broadcastd_epi32( _mm_shuffle_epi32(v_01, 1)); // A3A2A3A2A3A2A3A2 __m256i v_c45 = _mm256_broadcastd_epi32( _mm_shuffle_epi32(v_01, 2)); // A5A4A5A4A5A4A5A4 __m256i v_c67 = _mm256_broadcastd_epi32( _mm_shuffle_epi32(v_01, 3)); // A7A6A7A6A7A6A7A6 __m256i v_refl = _mm256_inserti128_si256( _mm256_setzero_si256(), _mm_loadu_si128((__m128i *)&ref[iy + ix4 - 7]), 0); v_refl = _mm256_inserti128_si256( v_refl, _mm_loadu_si128((__m128i *)&ref[iy + ix4 + 1]), 1); // R15 .. R0 __m256i v_ref = _mm256_permute4x64_epi64(v_refl, 0xEE); __m256i v_refu = _mm256_alignr_epi8(v_ref, v_refl, 2); // R8R15R14...R2R1 v_refl = _mm256_inserti128_si256( v_refl, _mm256_extracti128_si256(v_refu, 0), 1); v_refu = _mm256_inserti128_si256( v_refu, _mm256_extracti128_si256(v_ref, 0), 0); __m256i v_sum = _mm256_set1_epi32(ohoriz); __m256i parsum = _mm256_madd_epi16(v_c01, _mm256_alignr_epi8(v_refu, v_refl, 0)); __m256i v_sum1 = _mm256_add_epi32(v_sum, parsum); parsum = _mm256_madd_epi16(v_c23, _mm256_alignr_epi8(v_refu, v_refl, 4)); __m256i v_sum2 = _mm256_add_epi32(v_sum1, parsum); parsum = _mm256_madd_epi16(v_c45, _mm256_alignr_epi8(v_refu, v_refl, 8)); __m256i v_sum3 = _mm256_add_epi32(v_sum2, parsum); parsum = _mm256_madd_epi16(v_c67, _mm256_alignr_epi8(v_refu, v_refl, 12)); __m256i v_sum4 = _mm256_add_epi32(v_sum3, parsum); tmp[k + 7] = _mm256_srai_epi32(_mm256_add_epi32(v_sum4, v_rbhoriz), reduce_bits_horiz); } } else if (beta == 0) { sx = sx4; __m256i v_coeff01 = _mm256_inserti128_si256( v_zeros, _mm_loadu_si128( (__m128i *)av1_warped_filter[(sx) >> WARPEDDIFF_PREC_BITS]), 0); v_coeff01 = _mm256_inserti128_si256( v_coeff01, _mm_loadu_si128( (__m128i *) av1_warped_filter[(sx + alpha) >> WARPEDDIFF_PREC_BITS]), 1); // B7B6..B1B0A7A6..A1A0 __m256i v_coeff23 = _mm256_inserti128_si256( v_zeros, _mm_loadu_si128( (__m128i *)av1_warped_filter[(sx + 2 * alpha) >> WARPEDDIFF_PREC_BITS]), 0); v_coeff23 = _mm256_inserti128_si256( v_coeff23, _mm_loadu_si128( (__m128i *)av1_warped_filter[(sx + 3 * alpha) >> WARPEDDIFF_PREC_BITS]), 1); // D7D6..D1D0C7C6..C1C0 __m256i v_coeff45 = _mm256_inserti128_si256( v_zeros, _mm_loadu_si128( (__m128i *)av1_warped_filter[(sx + 4 * alpha) >> WARPEDDIFF_PREC_BITS]), 0); v_coeff45 = _mm256_inserti128_si256( v_coeff45, _mm_loadu_si128( (__m128i *)av1_warped_filter[(sx + 5 * alpha) >> WARPEDDIFF_PREC_BITS]), 1); // F7F6..F1F0E7E6..E1E0 __m256i v_coeff67 = _mm256_inserti128_si256( v_zeros, _mm_loadu_si128( (__m128i *)av1_warped_filter[(sx + 6 * alpha) >> WARPEDDIFF_PREC_BITS]), 0); v_coeff67 = _mm256_inserti128_si256( v_coeff67, _mm_loadu_si128( (__m128i *)av1_warped_filter[(sx + 7 * alpha) >> WARPEDDIFF_PREC_BITS]), 1); // H7H6..H1H0G7G6..G1G0 __m256i v_c0123 = _mm256_unpacklo_epi32( v_coeff01, v_coeff23); // D3D2B3B2D1D0B1B0C3C2A3A2C1C0A1A0 __m256i v_c0123u = _mm256_unpackhi_epi32( v_coeff01, v_coeff23); // D7D6B7B6D5D4B5B4C7C6A7A6C5C4A5A4 __m256i v_c4567 = _mm256_unpacklo_epi32( v_coeff45, v_coeff67); // H3H2F3F2H1H0F1F0G3G2E3E2G1G0E1E0 __m256i v_c4567u = _mm256_unpackhi_epi32( v_coeff45, v_coeff67); // H7H6F7F6H5H4F5F4G7G6E7E6G5G4E5E4 __m256i v_c01 = _mm256_unpacklo_epi64( v_c0123, v_c4567); // H1H0F1F0D1D0B1B0G1G0E1E0C1C0A1A0 __m256i v_c23 = _mm256_unpackhi_epi64(v_c0123, v_c4567); // H3H2 ... A3A2 __m256i v_c45 = _mm256_unpacklo_epi64(v_c0123u, v_c4567u); // H5H4 ... A5A4 __m256i v_c67 = _mm256_unpackhi_epi64(v_c0123u, v_c4567u); // H7H6 ... A7A6 for (int k = -7; k < AOMMIN(8, p_height - i); ++k) { int iy = iy4 + k; if (iy < 0) iy = 0; else if (iy > height - 1) iy = height - 1; iy = iy * stride; __m256i v_refl = _mm256_inserti128_si256( _mm256_setzero_si256(), _mm_loadu_si128((__m128i *)&ref[iy + ix4 - 7]), 0); v_refl = _mm256_inserti128_si256( v_refl, _mm_loadu_si128((__m128i *)&ref[iy + ix4 + 1]), 1); // R15 .. R0 __m256i v_ref = _mm256_permute4x64_epi64(v_refl, 0xEE); __m256i v_refu = _mm256_alignr_epi8(v_ref, v_refl, 2); // R8R15R14...R2R1 v_refl = _mm256_inserti128_si256( v_refl, _mm256_extracti128_si256(v_refu, 0), 1); v_refu = _mm256_inserti128_si256( v_refu, _mm256_extracti128_si256(v_ref, 0), 0); __m256i v_sum = _mm256_set1_epi32(ohoriz); __m256i parsum = _mm256_madd_epi16( v_c01, _mm256_alignr_epi8(v_refu, v_refl, 0)); // R8R7R6..R1R7R6R5..R1R0 __m256i v_sum1 = _mm256_add_epi32(v_sum, parsum); parsum = _mm256_madd_epi16( v_c23, _mm256_alignr_epi8(v_refu, v_refl, 4)); // R10R9..R3R9R8..R3R2 __m256i v_sum2 = _mm256_add_epi32(v_sum1, parsum); parsum = _mm256_madd_epi16( v_c45, _mm256_alignr_epi8(v_refu, v_refl, 8)); // R12R11..R5R11R10..R5R4 __m256i v_sum3 = _mm256_add_epi32(v_sum2, parsum); parsum = _mm256_madd_epi16( v_c67, _mm256_alignr_epi8(v_refu, v_refl, 12)); // R14R13..R7R13R12..R7R6 __m256i v_sum4 = _mm256_add_epi32(v_sum3, parsum); tmp[k + 7] = _mm256_srai_epi32(_mm256_add_epi32(v_sum4, v_rbhoriz), reduce_bits_horiz); } } else { for (int k = -7; k < AOMMIN(8, p_height - i); ++k) { int iy = iy4 + k; if (iy < 0) iy = 0; else if (iy > height - 1) iy = height - 1; iy = iy * stride; sx = sx4 + beta * (k + 4); __m256i v_coeff01 = _mm256_inserti128_si256( v_zeros, _mm_loadu_si128( (__m128i *)av1_warped_filter[(sx) >> WARPEDDIFF_PREC_BITS]), 0); v_coeff01 = _mm256_inserti128_si256( v_coeff01, _mm_loadu_si128( (__m128i *)av1_warped_filter[(sx + alpha) >> WARPEDDIFF_PREC_BITS]), 1); // B7B6..B1B0A7A6..A1A0 __m256i v_coeff23 = _mm256_inserti128_si256( v_zeros, _mm_loadu_si128( (__m128i *)av1_warped_filter[(sx + 2 * alpha) >> WARPEDDIFF_PREC_BITS]), 0); v_coeff23 = _mm256_inserti128_si256( v_coeff23, _mm_loadu_si128( (__m128i *)av1_warped_filter[(sx + 3 * alpha) >> WARPEDDIFF_PREC_BITS]), 1); // D7D6..D1D0C7C6..C1C0 __m256i v_coeff45 = _mm256_inserti128_si256( v_zeros, _mm_loadu_si128( (__m128i *)av1_warped_filter[(sx + 4 * alpha) >> WARPEDDIFF_PREC_BITS]), 0); v_coeff45 = _mm256_inserti128_si256( v_coeff45, _mm_loadu_si128( (__m128i *)av1_warped_filter[(sx + 5 * alpha) >> WARPEDDIFF_PREC_BITS]), 1); // F7F6..F1F0E7E6..E1E0 __m256i v_coeff67 = _mm256_inserti128_si256( v_zeros, _mm_loadu_si128( (__m128i *)av1_warped_filter[(sx + 6 * alpha) >> WARPEDDIFF_PREC_BITS]), 0); v_coeff67 = _mm256_inserti128_si256( v_coeff67, _mm_loadu_si128( (__m128i *)av1_warped_filter[(sx + 7 * alpha) >> WARPEDDIFF_PREC_BITS]), 1); // H7H6..H1H0G7G6..G1G0 __m256i v_c0123 = _mm256_unpacklo_epi32( v_coeff01, v_coeff23); // D3D2B3B2D1D0B1B0C3C2A3A2C1C0A1A0 __m256i v_c0123u = _mm256_unpackhi_epi32( v_coeff01, v_coeff23); // D7D6B7B6D5D4B5B4C7C6A7A6C5C4A5A4 __m256i v_c4567 = _mm256_unpacklo_epi32( v_coeff45, v_coeff67); // H3H2F3F2H1H0F1F0G3G2E3E2G1G0E1E0 __m256i v_c4567u = _mm256_unpackhi_epi32( v_coeff45, v_coeff67); // H7H6F7F6H5H4F5F4G7G6E7E6G5G4E5E4 __m256i v_c01 = _mm256_unpacklo_epi64( v_c0123, v_c4567); // H1H0F1F0D1D0B1B0G1G0E1E0C1C0A1A0 __m256i v_c23 = _mm256_unpackhi_epi64(v_c0123, v_c4567); // H3H2 ... A3A2 __m256i v_c45 = _mm256_unpacklo_epi64(v_c0123u, v_c4567u); // H5H4 ... A5A4 __m256i v_c67 = _mm256_unpackhi_epi64(v_c0123u, v_c4567u); // H7H6 ... A7A6 __m256i v_refl = _mm256_inserti128_si256( _mm256_setzero_si256(), _mm_loadu_si128((__m128i *)&ref[iy + ix4 - 7]), 0); v_refl = _mm256_inserti128_si256( v_refl, _mm_loadu_si128((__m128i *)&ref[iy + ix4 + 1]), 1); // R15 .. R0 __m256i v_ref = _mm256_permute4x64_epi64(v_refl, 0xEE); __m256i v_refu = _mm256_alignr_epi8(v_ref, v_refl, 2); // R8R15R14...R2R1 v_refl = _mm256_inserti128_si256( v_refl, _mm256_extracti128_si256(v_refu, 0), 1); v_refu = _mm256_inserti128_si256( v_refu, _mm256_extracti128_si256(v_ref, 0), 0); __m256i v_sum = _mm256_set1_epi32(ohoriz); __m256i parsum = _mm256_madd_epi16(v_c01, _mm256_alignr_epi8(v_refu, v_refl, 0)); __m256i v_sum1 = _mm256_add_epi32(v_sum, parsum); parsum = _mm256_madd_epi16(v_c23, _mm256_alignr_epi8(v_refu, v_refl, 4)); __m256i v_sum2 = _mm256_add_epi32(v_sum1, parsum); parsum = _mm256_madd_epi16(v_c45, _mm256_alignr_epi8(v_refu, v_refl, 8)); __m256i v_sum3 = _mm256_add_epi32(v_sum2, parsum); parsum = _mm256_madd_epi16(v_c67, _mm256_alignr_epi8(v_refu, v_refl, 12)); __m256i v_sum4 = _mm256_add_epi32(v_sum3, parsum); tmp[k + 7] = _mm256_srai_epi32(_mm256_add_epi32(v_sum4, v_rbhoriz), reduce_bits_horiz); } } } // Vertical filter for (int k = -4; k < AOMMIN(4, p_height - i - 4); ++k) { int sy = sy4 + delta * (k + 4); const __m256i *src = tmp + (k + 4); __m256i v_coeff01 = _mm256_inserti128_si256( v_zeros, _mm_loadu_si128( (__m128i *)av1_warped_filter[(sy) >> WARPEDDIFF_PREC_BITS]), 0); v_coeff01 = _mm256_inserti128_si256( v_coeff01, _mm_loadu_si128( (__m128i *) av1_warped_filter[(sy + gamma) >> WARPEDDIFF_PREC_BITS]), 1); __m256i v_coeff23 = _mm256_inserti128_si256( v_zeros, _mm_loadu_si128((__m128i *)av1_warped_filter[(sy + 2 * gamma) >> WARPEDDIFF_PREC_BITS]), 0); v_coeff23 = _mm256_inserti128_si256( v_coeff23, _mm_loadu_si128((__m128i *)av1_warped_filter[(sy + 3 * gamma) >> WARPEDDIFF_PREC_BITS]), 1); __m256i v_coeff45 = _mm256_inserti128_si256( v_zeros, _mm_loadu_si128((__m128i *)av1_warped_filter[(sy + 4 * gamma) >> WARPEDDIFF_PREC_BITS]), 0); v_coeff45 = _mm256_inserti128_si256( v_coeff45, _mm_loadu_si128((__m128i *)av1_warped_filter[(sy + 5 * gamma) >> WARPEDDIFF_PREC_BITS]), 1); __m256i v_coeff67 = _mm256_inserti128_si256( v_zeros, _mm_loadu_si128((__m128i *)av1_warped_filter[(sy + 6 * gamma) >> WARPEDDIFF_PREC_BITS]), 0); v_coeff67 = _mm256_inserti128_si256( v_coeff67, _mm_loadu_si128((__m128i *)av1_warped_filter[(sy + 7 * gamma) >> WARPEDDIFF_PREC_BITS]), 1); __m256i v_c0123 = _mm256_unpacklo_epi32( v_coeff01, v_coeff23); // D3D2B3B2D1D0B1B0C3C2A3A2C1C0A1A0 __m256i v_c0123u = _mm256_unpackhi_epi32( v_coeff01, v_coeff23); // D7D6B7B6D5D4B5B4C7C6A7A6C5C4A5A4 __m256i v_c4567 = _mm256_unpacklo_epi32( v_coeff45, v_coeff67); // H3H2F3F2H1H0F1F0G3G2E3E2G1G0E1E0 __m256i v_c4567u = _mm256_unpackhi_epi32( v_coeff45, v_coeff67); // H7H6F7F6H5H4F5F4G7G6E7E6G5G4E5E4 __m256i v_c01 = _mm256_unpacklo_epi64( v_c0123, v_c4567); // H1H0F1F0D1D0B1B0G1G0E1E0C1C0A1A0 __m256i v_c23 = _mm256_unpackhi_epi64(v_c0123, v_c4567); // H3H2 ... A3A2 __m256i v_c45 = _mm256_unpacklo_epi64(v_c0123u, v_c4567u); // H5H4 ... A5A4 __m256i v_c67 = _mm256_unpackhi_epi64(v_c0123u, v_c4567u); // H7H6 ... A7A6 __m256i v_src01l = _mm256_unpacklo_epi32(src[0], src[1]); // T13T03T11T01T12T02T10T00 __m256i v_src01u = _mm256_unpackhi_epi32(src[0], src[1]); // T17T07T15T05T16T06T14T04 __m256i v_sum = _mm256_madd_epi16(_mm256_packus_epi32(v_src01l, v_src01u), v_c01); // S7S5S3S1S6S4S2S0 __m256i v_src23l = _mm256_unpacklo_epi32(src[2], src[3]); __m256i v_src23u = _mm256_unpackhi_epi32(src[2], src[3]); v_sum = _mm256_add_epi32( v_sum, _mm256_madd_epi16(_mm256_packus_epi32(v_src23l, v_src23u), v_c23)); __m256i v_src45l = _mm256_unpacklo_epi32(src[4], src[5]); __m256i v_src45u = _mm256_unpackhi_epi32(src[4], src[5]); v_sum = _mm256_add_epi32( v_sum, _mm256_madd_epi16(_mm256_packus_epi32(v_src45l, v_src45u), v_c45)); __m256i v_src67l = _mm256_unpacklo_epi32(src[6], src[7]); __m256i v_src67u = _mm256_unpackhi_epi32(src[6], src[7]); v_sum = _mm256_add_epi32( v_sum, _mm256_madd_epi16(_mm256_packus_epi32(v_src67l, v_src67u), v_c67)); // unpack S7S5S3S1S6S4S2S0 to S7S6S5S4S3S2S1S0 __m256i v_suml = _mm256_permute4x64_epi64(v_sum, 0xD8); // S7S5S6S4S3S1S2S0 __m256i v_sumh = _mm256_permute4x64_epi64(v_sum, 0x32); // S2S0S7S5S2S0S3S1 v_sum = _mm256_unpacklo_epi32(v_suml, v_sumh); // S7S6S5S4S3S2S1S0 if (conv_params->is_compound) { __m128i *const p = (__m128i *)&conv_params ->dst[(i + k + 4) * conv_params->dst_stride + j]; v_sum = _mm256_add_epi32(v_sum, res_add_const); v_sum = _mm256_sra_epi32(_mm256_add_epi32(v_sum, reduce_bits_vert_const), reduce_bits_vert_shift); if (conv_params->do_average) { __m128i *const dst16 = (__m128i *)&pred[(i + k + 4) * p_stride + j]; __m256i p_32 = _mm256_cvtepu16_epi32(_mm_loadu_si128(p)); if (conv_params->use_dist_wtd_comp_avg) { v_sum = _mm256_add_epi32(_mm256_mullo_epi32(p_32, wt0), _mm256_mullo_epi32(v_sum, wt1)); v_sum = _mm256_srai_epi32(v_sum, DIST_PRECISION_BITS); } else { v_sum = _mm256_srai_epi32(_mm256_add_epi32(p_32, v_sum), 1); } __m256i v_sum1 = _mm256_add_epi32(v_sum, res_sub_const); v_sum1 = _mm256_sra_epi32( _mm256_add_epi32(v_sum1, round_bits_const), round_bits_shift); __m256i v_sum16 = _mm256_packus_epi32(v_sum1, v_sum1); v_sum16 = _mm256_permute4x64_epi64(v_sum16, 0xD8); v_sum16 = _mm256_min_epi16(v_sum16, clip_pixel); _mm_storeu_si128(dst16, _mm256_extracti128_si256(v_sum16, 0)); } else { v_sum = _mm256_packus_epi32(v_sum, v_sum); __m256i v_sum16 = _mm256_permute4x64_epi64(v_sum, 0xD8); _mm_storeu_si128(p, _mm256_extracti128_si256(v_sum16, 0)); } } else { // Round and pack into 8 bits const __m256i round_const = _mm256_set1_epi32(-(1 << (bd + reduce_bits_vert - 1)) + ((1 << reduce_bits_vert) >> 1)); __m256i v_sum1 = _mm256_srai_epi32( _mm256_add_epi32(v_sum, round_const), reduce_bits_vert); v_sum1 = _mm256_packus_epi32(v_sum1, v_sum1); __m256i v_sum16 = _mm256_permute4x64_epi64(v_sum1, 0xD8); // Clamp res_16bit to the range [0, 2^bd - 1] const __m256i max_val = _mm256_set1_epi16((1 << bd) - 1); const __m256i zero = _mm256_setzero_si256(); v_sum16 = _mm256_max_epi16(_mm256_min_epi16(v_sum16, max_val), zero); __m128i *const p = (__m128i *)&pred[(i + k + 4) * p_stride + j]; _mm_storeu_si128(p, _mm256_extracti128_si256(v_sum16, 0)); } } } } }