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-rw-r--r--third_party/aom/av1/common/x86/highbd_warp_affine_avx2.c656
1 files changed, 656 insertions, 0 deletions
diff --git a/third_party/aom/av1/common/x86/highbd_warp_affine_avx2.c b/third_party/aom/av1/common/x86/highbd_warp_affine_avx2.c
new file mode 100644
index 0000000000..75108b49da
--- /dev/null
+++ b/third_party/aom/av1/common/x86/highbd_warp_affine_avx2.c
@@ -0,0 +1,656 @@
+/*
+ * 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 <immintrin.h>
+
+#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));
+ }
+ }
+ }
+ }
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-08-27 08:06:14 +0000