/* * Copyright (c) 2016, 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/aom_dsp_rtcd.h" #include "aom_dsp/aom_convolve.h" #include "aom_dsp/aom_dsp_common.h" #include "aom_dsp/aom_filter.h" #include "aom_dsp/x86/convolve_sse2.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, InterpFilterParams *filter_params_x, InterpFilterParams *filter_params_y, const int subpel_x_q4, const int subpel_y_q4, ConvolveParams *conv_params, int bd) { 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); __m128i coeffs_x[4], coeffs_y[4], s[16]; const __m128i round_const_x = _mm_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 __m128i round_const_y = _mm_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 __m128i round_const_bits = _mm_set1_epi32((1 << bits) >> 1); const __m128i clip_pixel = _mm_set1_epi16(bd == 10 ? 1023 : (bd == 12 ? 4095 : 255)); const __m128i zero = _mm_setzero_si128(); prepare_coeffs(filter_params_x, subpel_x_q4, coeffs_x); prepare_coeffs(filter_params_y, subpel_y_q4, coeffs_y); for (j = 0; j < w; j += 8) { /* Horizontal filter */ { for (i = 0; i < im_h; i += 1) { const __m128i row00 = _mm_loadu_si128((__m128i *)&src_ptr[i * src_stride + j]); const __m128i row01 = _mm_loadu_si128((__m128i *)&src_ptr[i * src_stride + (j + 8)]); // even pixels s[0] = _mm_alignr_epi8(row01, row00, 0); s[1] = _mm_alignr_epi8(row01, row00, 4); s[2] = _mm_alignr_epi8(row01, row00, 8); s[3] = _mm_alignr_epi8(row01, row00, 12); __m128i res_even = convolve(s, coeffs_x); res_even = _mm_sra_epi32(_mm_add_epi32(res_even, round_const_x), round_shift_x); // odd pixels s[0] = _mm_alignr_epi8(row01, row00, 2); s[1] = _mm_alignr_epi8(row01, row00, 6); s[2] = _mm_alignr_epi8(row01, row00, 10); s[3] = _mm_alignr_epi8(row01, row00, 14); __m128i res_odd = convolve(s, coeffs_x); res_odd = _mm_sra_epi32(_mm_add_epi32(res_odd, round_const_x), round_shift_x); __m128i res_even1 = _mm_packs_epi32(res_even, res_even); __m128i res_odd1 = _mm_packs_epi32(res_odd, res_odd); __m128i res = _mm_unpacklo_epi16(res_even1, res_odd1); _mm_store_si128((__m128i *)&im_block[i * im_stride], res); } } /* Vertical filter */ { __m128i s0 = _mm_loadu_si128((__m128i *)(im_block + 0 * im_stride)); __m128i s1 = _mm_loadu_si128((__m128i *)(im_block + 1 * im_stride)); __m128i s2 = _mm_loadu_si128((__m128i *)(im_block + 2 * im_stride)); __m128i s3 = _mm_loadu_si128((__m128i *)(im_block + 3 * im_stride)); __m128i s4 = _mm_loadu_si128((__m128i *)(im_block + 4 * im_stride)); __m128i s5 = _mm_loadu_si128((__m128i *)(im_block + 5 * im_stride)); __m128i s6 = _mm_loadu_si128((__m128i *)(im_block + 6 * im_stride)); s[0] = _mm_unpacklo_epi16(s0, s1); s[1] = _mm_unpacklo_epi16(s2, s3); s[2] = _mm_unpacklo_epi16(s4, s5); s[4] = _mm_unpackhi_epi16(s0, s1); s[5] = _mm_unpackhi_epi16(s2, s3); s[6] = _mm_unpackhi_epi16(s4, s5); s[0 + 8] = _mm_unpacklo_epi16(s1, s2); s[1 + 8] = _mm_unpacklo_epi16(s3, s4); s[2 + 8] = _mm_unpacklo_epi16(s5, s6); s[4 + 8] = _mm_unpackhi_epi16(s1, s2); s[5 + 8] = _mm_unpackhi_epi16(s3, s4); s[6 + 8] = _mm_unpackhi_epi16(s5, s6); for (i = 0; i < h; i += 2) { const int16_t *data = &im_block[i * im_stride]; __m128i s7 = _mm_loadu_si128((__m128i *)(data + 7 * im_stride)); __m128i s8 = _mm_loadu_si128((__m128i *)(data + 8 * im_stride)); s[3] = _mm_unpacklo_epi16(s6, s7); s[7] = _mm_unpackhi_epi16(s6, s7); s[3 + 8] = _mm_unpacklo_epi16(s7, s8); s[7 + 8] = _mm_unpackhi_epi16(s7, s8); const __m128i res_a0 = convolve(s, coeffs_y); __m128i res_a_round0 = _mm_sra_epi32(_mm_add_epi32(res_a0, round_const_y), round_shift_y); res_a_round0 = _mm_sra_epi32( _mm_add_epi32(res_a_round0, round_const_bits), round_shift_bits); const __m128i res_a1 = convolve(s + 8, coeffs_y); __m128i res_a_round1 = _mm_sra_epi32(_mm_add_epi32(res_a1, round_const_y), round_shift_y); res_a_round1 = _mm_sra_epi32( _mm_add_epi32(res_a_round1, round_const_bits), round_shift_bits); if (w - j > 4) { const __m128i res_b0 = convolve(s + 4, coeffs_y); __m128i res_b_round0 = _mm_sra_epi32( _mm_add_epi32(res_b0, round_const_y), round_shift_y); res_b_round0 = _mm_sra_epi32( _mm_add_epi32(res_b_round0, round_const_bits), round_shift_bits); const __m128i res_b1 = convolve(s + 4 + 8, coeffs_y); __m128i res_b_round1 = _mm_sra_epi32( _mm_add_epi32(res_b1, round_const_y), round_shift_y); res_b_round1 = _mm_sra_epi32( _mm_add_epi32(res_b_round1, round_const_bits), round_shift_bits); __m128i res_16bit0 = _mm_packs_epi32(res_a_round0, res_b_round0); res_16bit0 = _mm_min_epi16(res_16bit0, clip_pixel); res_16bit0 = _mm_max_epi16(res_16bit0, zero); __m128i res_16bit1 = _mm_packs_epi32(res_a_round1, res_b_round1); res_16bit1 = _mm_min_epi16(res_16bit1, clip_pixel); res_16bit1 = _mm_max_epi16(res_16bit1, zero); _mm_storeu_si128((__m128i *)&dst[i * dst_stride + j], res_16bit0); _mm_storeu_si128((__m128i *)&dst[i * dst_stride + j + dst_stride], res_16bit1); } else if (w == 4) { res_a_round0 = _mm_packs_epi32(res_a_round0, res_a_round0); res_a_round0 = _mm_min_epi16(res_a_round0, clip_pixel); res_a_round0 = _mm_max_epi16(res_a_round0, zero); res_a_round1 = _mm_packs_epi32(res_a_round1, res_a_round1); res_a_round1 = _mm_min_epi16(res_a_round1, clip_pixel); res_a_round1 = _mm_max_epi16(res_a_round1, zero); _mm_storel_epi64((__m128i *)&dst[i * dst_stride + j], res_a_round0); _mm_storel_epi64((__m128i *)&dst[i * dst_stride + j + dst_stride], res_a_round1); } else { res_a_round0 = _mm_packs_epi32(res_a_round0, res_a_round0); res_a_round0 = _mm_min_epi16(res_a_round0, clip_pixel); res_a_round0 = _mm_max_epi16(res_a_round0, zero); res_a_round1 = _mm_packs_epi32(res_a_round1, res_a_round1); res_a_round1 = _mm_min_epi16(res_a_round1, clip_pixel); res_a_round1 = _mm_max_epi16(res_a_round1, zero); *((uint32_t *)(&dst[i * dst_stride + j])) = _mm_cvtsi128_si32(res_a_round0); *((uint32_t *)(&dst[i * dst_stride + j + dst_stride])) = _mm_cvtsi128_si32(res_a_round1); } s[0] = s[1]; s[1] = s[2]; s[2] = s[3]; s[4] = s[5]; s[5] = s[6]; s[6] = s[7]; s[0 + 8] = s[1 + 8]; s[1 + 8] = s[2 + 8]; s[2 + 8] = s[3 + 8]; s[4 + 8] = s[5 + 8]; s[5 + 8] = s[6 + 8]; s[6 + 8] = s[7 + 8]; s6 = s8; } } } }