/* * Copyright (c) 2017, Alliance for Open Media. All rights reserved. * * This source code is subject to the terms of the BSD 2 Clause License and * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License * was not distributed with this source code in the LICENSE file, you can * obtain it at www.aomedia.org/license/software. If the Alliance for Open * Media Patent License 1.0 was not distributed with this source code in the * PATENTS file, you can obtain it at www.aomedia.org/license/patent. */ #include #include #include "config/av1_rtcd.h" #include "aom_dsp/x86/convolve_avx2.h" #include "aom_dsp/x86/synonyms.h" #include "aom_dsp/aom_dsp_common.h" #include "aom_dsp/aom_filter.h" #include "av1/common/convolve.h" void av1_highbd_convolve_2d_sr_ssse3( const uint16_t *src, int src_stride, uint16_t *dst, int dst_stride, 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, int bd); void av1_highbd_convolve_2d_sr_avx2(const uint16_t *src, int src_stride, uint16_t *dst, int dst_stride, 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, int bd) { if (filter_params_x->taps == 12) { av1_highbd_convolve_2d_sr_ssse3(src, src_stride, dst, dst_stride, w, h, filter_params_x, filter_params_y, subpel_x_qn, subpel_y_qn, conv_params, bd); return; } DECLARE_ALIGNED(32, int16_t, im_block[(MAX_SB_SIZE + MAX_FILTER_TAP) * 8]); int im_h = h + filter_params_y->taps - 1; int im_stride = 8; int i, j; const int fo_vert = filter_params_y->taps / 2 - 1; const int fo_horiz = filter_params_x->taps / 2 - 1; const uint16_t *const src_ptr = src - fo_vert * src_stride - fo_horiz; // 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); __m256i s[8], coeffs_y[4], coeffs_x[4]; const __m256i round_const_x = _mm256_set1_epi32( ((1 << conv_params->round_0) >> 1) + (1 << (bd + FILTER_BITS - 1))); const __m128i round_shift_x = _mm_cvtsi32_si128(conv_params->round_0); const __m256i round_const_y = _mm256_set1_epi32( ((1 << conv_params->round_1) >> 1) - (1 << (bd + 2 * FILTER_BITS - conv_params->round_0 - 1))); const __m128i round_shift_y = _mm_cvtsi32_si128(conv_params->round_1); const int bits = FILTER_BITS * 2 - conv_params->round_0 - conv_params->round_1; const __m128i round_shift_bits = _mm_cvtsi32_si128(bits); const __m256i round_const_bits = _mm256_set1_epi32((1 << bits) >> 1); const __m256i clip_pixel = _mm256_set1_epi16(bd == 10 ? 1023 : (bd == 12 ? 4095 : 255)); const __m256i zero = _mm256_setzero_si256(); prepare_coeffs(filter_params_x, subpel_x_qn, coeffs_x); prepare_coeffs(filter_params_y, subpel_y_qn, coeffs_y); for (j = 0; j < w; j += 8) { /* Horizontal filter */ { for (i = 0; i < im_h; i += 2) { const __m256i row0 = _mm256_loadu_si256((__m256i *)&src_ptr[i * src_stride + j]); __m256i row1 = _mm256_setzero_si256(); if (i + 1 < im_h) row1 = _mm256_loadu_si256((__m256i *)&src_ptr[(i + 1) * src_stride + j]); const __m256i r0 = _mm256_permute2x128_si256(row0, row1, 0x20); const __m256i r1 = _mm256_permute2x128_si256(row0, row1, 0x31); // even pixels s[0] = _mm256_alignr_epi8(r1, r0, 0); s[1] = _mm256_alignr_epi8(r1, r0, 4); s[2] = _mm256_alignr_epi8(r1, r0, 8); s[3] = _mm256_alignr_epi8(r1, r0, 12); __m256i res_even = convolve(s, coeffs_x); res_even = _mm256_sra_epi32(_mm256_add_epi32(res_even, round_const_x), round_shift_x); // odd pixels s[0] = _mm256_alignr_epi8(r1, r0, 2); s[1] = _mm256_alignr_epi8(r1, r0, 6); s[2] = _mm256_alignr_epi8(r1, r0, 10); s[3] = _mm256_alignr_epi8(r1, r0, 14); __m256i res_odd = convolve(s, coeffs_x); res_odd = _mm256_sra_epi32(_mm256_add_epi32(res_odd, round_const_x), round_shift_x); __m256i res_even1 = _mm256_packs_epi32(res_even, res_even); __m256i res_odd1 = _mm256_packs_epi32(res_odd, res_odd); __m256i res = _mm256_unpacklo_epi16(res_even1, res_odd1); _mm256_store_si256((__m256i *)&im_block[i * im_stride], res); } } /* Vertical filter */ { __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)); __m256i s4 = _mm256_loadu_si256((__m256i *)(im_block + 4 * im_stride)); __m256i s5 = _mm256_loadu_si256((__m256i *)(im_block + 5 * im_stride)); s[0] = _mm256_unpacklo_epi16(s0, s1); s[1] = _mm256_unpacklo_epi16(s2, s3); s[2] = _mm256_unpacklo_epi16(s4, s5); s[4] = _mm256_unpackhi_epi16(s0, s1); s[5] = _mm256_unpackhi_epi16(s2, s3); s[6] = _mm256_unpackhi_epi16(s4, s5); for (i = 0; i < h; i += 2) { const int16_t *data = &im_block[i * im_stride]; const __m256i s6 = _mm256_loadu_si256((__m256i *)(data + 6 * im_stride)); const __m256i s7 = _mm256_loadu_si256((__m256i *)(data + 7 * im_stride)); s[3] = _mm256_unpacklo_epi16(s6, s7); s[7] = _mm256_unpackhi_epi16(s6, s7); const __m256i res_a = convolve(s, coeffs_y); __m256i res_a_round = _mm256_sra_epi32( _mm256_add_epi32(res_a, round_const_y), round_shift_y); res_a_round = _mm256_sra_epi32( _mm256_add_epi32(res_a_round, round_const_bits), round_shift_bits); if (w - j > 4) { const __m256i res_b = convolve(s + 4, coeffs_y); __m256i res_b_round = _mm256_sra_epi32( _mm256_add_epi32(res_b, round_const_y), round_shift_y); res_b_round = _mm256_sra_epi32(_mm256_add_epi32(res_b_round, round_const_bits), round_shift_bits); __m256i res_16bit = _mm256_packs_epi32(res_a_round, res_b_round); res_16bit = _mm256_min_epi16(res_16bit, clip_pixel); res_16bit = _mm256_max_epi16(res_16bit, zero); _mm_storeu_si128((__m128i *)&dst[i * dst_stride + j], _mm256_castsi256_si128(res_16bit)); _mm_storeu_si128((__m128i *)&dst[i * dst_stride + j + dst_stride], _mm256_extracti128_si256(res_16bit, 1)); } else if (w == 4) { res_a_round = _mm256_packs_epi32(res_a_round, res_a_round); res_a_round = _mm256_min_epi16(res_a_round, clip_pixel); res_a_round = _mm256_max_epi16(res_a_round, zero); _mm_storel_epi64((__m128i *)&dst[i * dst_stride + j], _mm256_castsi256_si128(res_a_round)); _mm_storel_epi64((__m128i *)&dst[i * dst_stride + j + dst_stride], _mm256_extracti128_si256(res_a_round, 1)); } else { res_a_round = _mm256_packs_epi32(res_a_round, res_a_round); res_a_round = _mm256_min_epi16(res_a_round, clip_pixel); res_a_round = _mm256_max_epi16(res_a_round, zero); xx_storel_32(&dst[i * dst_stride + j], _mm256_castsi256_si128(res_a_round)); xx_storel_32(&dst[i * dst_stride + j + dst_stride], _mm256_extracti128_si256(res_a_round, 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]; } } } }