/* * 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 #include "config/av1_rtcd.h" #include "aom_dsp/aom_filter.h" #include "aom_dsp/x86/convolve_sse2.h" void av1_dist_wtd_convolve_2d_ssse3( 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(16, int16_t, im_block[(MAX_SB_SIZE + MAX_FILTER_TAP - 1) * MAX_SB_SIZE]); int im_h = h + filter_params_y->taps - 1; int im_stride = MAX_SB_SIZE; int i, j; const int fo_vert = filter_params_y->taps / 2 - 1; const int fo_horiz = filter_params_x->taps / 2 - 1; const int do_average = conv_params->do_average; const int use_dist_wtd_comp_avg = conv_params->use_dist_wtd_comp_avg; const uint8_t *const src_ptr = src - fo_vert * src_stride - fo_horiz; const __m128i zero = _mm_setzero_si128(); const int w0 = conv_params->fwd_offset; const int w1 = conv_params->bck_offset; const __m128i wt0 = _mm_set1_epi16(w0); const __m128i wt1 = _mm_set1_epi16(w1); const __m128i wt = _mm_unpacklo_epi16(wt0, wt1); 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 __m128i offset_const = _mm_set1_epi16(offset); const int rounding_shift = 2 * FILTER_BITS - conv_params->round_0 - conv_params->round_1; const __m128i rounding_const = _mm_set1_epi16((1 << rounding_shift) >> 1); /* Horizontal filter */ { const int16_t *x_filter = av1_get_interp_filter_subpel_kernel( filter_params_x, subpel_x_qn & SUBPEL_MASK); const __m128i coeffs_x = _mm_loadu_si128((__m128i *)x_filter); // coeffs 0 1 0 1 2 3 2 3 const __m128i tmp_0 = _mm_unpacklo_epi32(coeffs_x, coeffs_x); // coeffs 4 5 4 5 6 7 6 7 const __m128i tmp_1 = _mm_unpackhi_epi32(coeffs_x, coeffs_x); // coeffs 0 1 0 1 0 1 0 1 const __m128i coeff_01 = _mm_unpacklo_epi64(tmp_0, tmp_0); // coeffs 2 3 2 3 2 3 2 3 const __m128i coeff_23 = _mm_unpackhi_epi64(tmp_0, tmp_0); // coeffs 4 5 4 5 4 5 4 5 const __m128i coeff_45 = _mm_unpacklo_epi64(tmp_1, tmp_1); // coeffs 6 7 6 7 6 7 6 7 const __m128i coeff_67 = _mm_unpackhi_epi64(tmp_1, tmp_1); const __m128i round_const = _mm_set1_epi32( ((1 << conv_params->round_0) >> 1) + (1 << (bd + FILTER_BITS - 1))); const __m128i round_shift = _mm_cvtsi32_si128(conv_params->round_0); for (i = 0; i < im_h; ++i) { for (j = 0; j < w; j += 8) { const __m128i data = _mm_loadu_si128((__m128i *)&src_ptr[i * src_stride + j]); const __m128i src_lo = _mm_unpacklo_epi8(data, zero); const __m128i src_hi = _mm_unpackhi_epi8(data, zero); // Filter even-index pixels const __m128i res_0 = _mm_madd_epi16(src_lo, coeff_01); const __m128i src_2 = _mm_alignr_epi8(src_hi, src_lo, 4); const __m128i res_2 = _mm_madd_epi16(src_2, coeff_23); const __m128i src_4 = _mm_alignr_epi8(src_hi, src_lo, 8); const __m128i res_4 = _mm_madd_epi16(src_4, coeff_45); const __m128i src_6 = _mm_alignr_epi8(src_hi, src_lo, 12); const __m128i res_6 = _mm_madd_epi16(src_6, coeff_67); __m128i res_even = _mm_add_epi32(_mm_add_epi32(res_0, res_4), _mm_add_epi32(res_2, res_6)); res_even = _mm_sra_epi32(_mm_add_epi32(res_even, round_const), round_shift); // Filter odd-index pixels const __m128i src_1 = _mm_alignr_epi8(src_hi, src_lo, 2); const __m128i res_1 = _mm_madd_epi16(src_1, coeff_01); const __m128i src_3 = _mm_alignr_epi8(src_hi, src_lo, 6); const __m128i res_3 = _mm_madd_epi16(src_3, coeff_23); const __m128i src_5 = _mm_alignr_epi8(src_hi, src_lo, 10); const __m128i res_5 = _mm_madd_epi16(src_5, coeff_45); const __m128i src_7 = _mm_alignr_epi8(src_hi, src_lo, 14); const __m128i res_7 = _mm_madd_epi16(src_7, coeff_67); __m128i res_odd = _mm_add_epi32(_mm_add_epi32(res_1, res_5), _mm_add_epi32(res_3, res_7)); res_odd = _mm_sra_epi32(_mm_add_epi32(res_odd, round_const), round_shift); // Pack in the column order 0, 2, 4, 6, 1, 3, 5, 7 __m128i res = _mm_packs_epi32(res_even, res_odd); _mm_store_si128((__m128i *)&im_block[i * im_stride + j], res); } } } /* Vertical filter */ { const int16_t *y_filter = av1_get_interp_filter_subpel_kernel( filter_params_y, subpel_y_qn & SUBPEL_MASK); const __m128i coeffs_y = _mm_loadu_si128((__m128i *)y_filter); // coeffs 0 1 0 1 2 3 2 3 const __m128i tmp_0 = _mm_unpacklo_epi32(coeffs_y, coeffs_y); // coeffs 4 5 4 5 6 7 6 7 const __m128i tmp_1 = _mm_unpackhi_epi32(coeffs_y, coeffs_y); // coeffs 0 1 0 1 0 1 0 1 const __m128i coeff_01 = _mm_unpacklo_epi64(tmp_0, tmp_0); // coeffs 2 3 2 3 2 3 2 3 const __m128i coeff_23 = _mm_unpackhi_epi64(tmp_0, tmp_0); // coeffs 4 5 4 5 4 5 4 5 const __m128i coeff_45 = _mm_unpacklo_epi64(tmp_1, tmp_1); // coeffs 6 7 6 7 6 7 6 7 const __m128i coeff_67 = _mm_unpackhi_epi64(tmp_1, tmp_1); const __m128i round_const = _mm_set1_epi32( ((1 << conv_params->round_1) >> 1) - (1 << (bd + 2 * FILTER_BITS - conv_params->round_0 - 1))); const __m128i round_shift = _mm_cvtsi32_si128(conv_params->round_1); for (i = 0; i < h; ++i) { for (j = 0; j < w; j += 8) { // Filter even-index pixels const int16_t *data = &im_block[i * im_stride + j]; const __m128i src_0 = _mm_unpacklo_epi16(*(__m128i *)(data + 0 * im_stride), *(__m128i *)(data + 1 * im_stride)); const __m128i src_2 = _mm_unpacklo_epi16(*(__m128i *)(data + 2 * im_stride), *(__m128i *)(data + 3 * im_stride)); const __m128i src_4 = _mm_unpacklo_epi16(*(__m128i *)(data + 4 * im_stride), *(__m128i *)(data + 5 * im_stride)); const __m128i src_6 = _mm_unpacklo_epi16(*(__m128i *)(data + 6 * im_stride), *(__m128i *)(data + 7 * im_stride)); const __m128i res_0 = _mm_madd_epi16(src_0, coeff_01); const __m128i res_2 = _mm_madd_epi16(src_2, coeff_23); const __m128i res_4 = _mm_madd_epi16(src_4, coeff_45); const __m128i res_6 = _mm_madd_epi16(src_6, coeff_67); const __m128i res_even = _mm_add_epi32(_mm_add_epi32(res_0, res_2), _mm_add_epi32(res_4, res_6)); // Filter odd-index pixels const __m128i src_1 = _mm_unpackhi_epi16(*(__m128i *)(data + 0 * im_stride), *(__m128i *)(data + 1 * im_stride)); const __m128i src_3 = _mm_unpackhi_epi16(*(__m128i *)(data + 2 * im_stride), *(__m128i *)(data + 3 * im_stride)); const __m128i src_5 = _mm_unpackhi_epi16(*(__m128i *)(data + 4 * im_stride), *(__m128i *)(data + 5 * im_stride)); const __m128i src_7 = _mm_unpackhi_epi16(*(__m128i *)(data + 6 * im_stride), *(__m128i *)(data + 7 * im_stride)); const __m128i res_1 = _mm_madd_epi16(src_1, coeff_01); const __m128i res_3 = _mm_madd_epi16(src_3, coeff_23); const __m128i res_5 = _mm_madd_epi16(src_5, coeff_45); const __m128i res_7 = _mm_madd_epi16(src_7, coeff_67); const __m128i res_odd = _mm_add_epi32(_mm_add_epi32(res_1, res_3), _mm_add_epi32(res_5, res_7)); // Rearrange pixels back into the order 0 ... 7 const __m128i res_lo = _mm_unpacklo_epi32(res_even, res_odd); const __m128i res_hi = _mm_unpackhi_epi32(res_even, res_odd); const __m128i res_lo_round = _mm_sra_epi32(_mm_add_epi32(res_lo, round_const), round_shift); const __m128i res_hi_round = _mm_sra_epi32(_mm_add_epi32(res_hi, round_const), round_shift); const __m128i res_16b = _mm_packs_epi32(res_lo_round, res_hi_round); const __m128i res_unsigned = _mm_add_epi16(res_16b, offset_const); // Accumulate values into the destination buffer if (do_average) { const __m128i data_ref_0 = _mm_loadu_si128((__m128i *)(&dst[i * dst_stride + j])); const __m128i comp_avg_res = comp_avg(&data_ref_0, &res_unsigned, &wt, use_dist_wtd_comp_avg); const __m128i round_result = convolve_rounding( &comp_avg_res, &offset_const, &rounding_const, rounding_shift); const __m128i res_8 = _mm_packus_epi16(round_result, round_result); if (w > 4) _mm_storel_epi64((__m128i *)(&dst0[i * dst_stride0 + j]), res_8); else *(int *)(&dst0[i * dst_stride0 + j]) = _mm_cvtsi128_si32(res_8); } else { _mm_store_si128((__m128i *)(&dst[i * dst_stride + j]), res_unsigned); } } } } }