| /* | |
| * 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 <emmintrin.h> | |
| #include "config/aom_dsp_rtcd.h" | |
| #include "aom_dsp/aom_filter.h" | |
| #include "aom_dsp/x86/convolve_sse2.h" | |
| void av1_dist_wtd_convolve_x_sse2(const uint8_t *src, int src_stride, | |
| uint8_t *dst0, int dst_stride0, int w, int h, | |
| const InterpFilterParams *filter_params_x, | |
| const int subpel_x_qn, | |
| ConvolveParams *conv_params) { | |
| const int bd = 8; | |
| CONV_BUF_TYPE *dst = conv_params->dst; | |
| const int dst_stride = conv_params->dst_stride; | |
| const int fo_horiz = filter_params_x->taps / 2 - 1; | |
| const uint8_t *src_ptr = src - fo_horiz; | |
| const int bits = FILTER_BITS - conv_params->round_1; | |
| const __m128i left_shift = _mm_cvtsi32_si128(bits); | |
| const __m128i round_const = _mm_set1_epi32((1 << conv_params->round_0) >> 1); | |
| const __m128i round_shift = _mm_cvtsi32_si128(conv_params->round_0); | |
| 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 do_average = conv_params->do_average; | |
| const int use_dist_wtd_comp_avg = conv_params->use_dist_wtd_comp_avg; | |
| 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); | |
| __m128i coeffs[4]; | |
| prepare_coeffs(filter_params_x, subpel_x_qn, coeffs); | |
| if (w == 4) { | |
| do { | |
| const __m128i data = _mm_loadu_si128((__m128i *)src_ptr); | |
| __m128i s[4]; | |
| s[0] = _mm_unpacklo_epi8(data, _mm_srli_si128(data, 1)); | |
| s[1] = | |
| _mm_unpacklo_epi8(_mm_srli_si128(data, 2), _mm_srli_si128(data, 3)); | |
| s[2] = | |
| _mm_unpacklo_epi8(_mm_srli_si128(data, 4), _mm_srli_si128(data, 5)); | |
| s[3] = | |
| _mm_unpacklo_epi8(_mm_srli_si128(data, 6), _mm_srli_si128(data, 7)); | |
| const __m128i res_lo = convolve_lo_x(s, coeffs); | |
| const __m128i res_lo_round = | |
| _mm_sra_epi32(_mm_add_epi32(res_lo, round_const), round_shift); | |
| const __m128i res_lo_shift = _mm_sll_epi32(res_lo_round, left_shift); | |
| const __m128i res_16b = _mm_packs_epi32(res_lo_shift, res_lo_shift); | |
| 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); | |
| 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); | |
| *(int *)(&dst0[0]) = _mm_cvtsi128_si32(res_8); | |
| } else { | |
| _mm_store_si128((__m128i *)(&dst[0]), res_unsigned); | |
| } | |
| src_ptr += src_stride; | |
| dst += dst_stride; | |
| dst0 += dst_stride0; | |
| } while (--h); | |
| } else { | |
| assert(!(w % 8)); | |
| int i = 0; | |
| do { | |
| int j = 0; | |
| do { | |
| const __m128i data = | |
| _mm_loadu_si128((__m128i *)&src_ptr[i * src_stride + j]); | |
| __m128i s[4]; | |
| // Filter even-index pixels | |
| s[0] = data; | |
| s[1] = _mm_srli_si128(data, 2); | |
| s[2] = _mm_srli_si128(data, 4); | |
| s[3] = _mm_srli_si128(data, 6); | |
| const __m128i res_even = convolve_lo_x(s, coeffs); | |
| // Filter odd-index pixels | |
| s[0] = _mm_srli_si128(data, 1); | |
| s[1] = _mm_srli_si128(data, 3); | |
| s[2] = _mm_srli_si128(data, 5); | |
| s[3] = _mm_srli_si128(data, 7); | |
| const __m128i res_odd = convolve_lo_x(s, coeffs); | |
| // 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_lo_shift = _mm_sll_epi32(res_lo_round, left_shift); | |
| const __m128i res_hi_shift = _mm_sll_epi32(res_hi_round, left_shift); | |
| const __m128i res_16b = _mm_packs_epi32(res_lo_shift, res_hi_shift); | |
| 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); | |
| _mm_storel_epi64((__m128i *)(&dst0[i * dst_stride0 + j]), res_8); | |
| } else { | |
| _mm_store_si128((__m128i *)(&dst[i * dst_stride + j]), res_unsigned); | |
| } | |
| j += 8; | |
| } while (j < w); | |
| } while (++i < h); | |
| } | |
| } | |
| void av1_dist_wtd_convolve_y_sse2(const uint8_t *src, int src_stride, | |
| uint8_t *dst0, int dst_stride0, int w, int h, | |
| const InterpFilterParams *filter_params_y, | |
| const int subpel_y_qn, | |
| ConvolveParams *conv_params) { | |
| const int bd = 8; | |
| CONV_BUF_TYPE *dst = conv_params->dst; | |
| const int dst_stride = conv_params->dst_stride; | |
| const int fo_vert = filter_params_y->taps / 2 - 1; | |
| const uint8_t *src_ptr = src - fo_vert * src_stride; | |
| const int bits = FILTER_BITS - conv_params->round_0; | |
| const __m128i left_shift = _mm_cvtsi32_si128(bits); | |
| const __m128i wt0 = _mm_set1_epi16(conv_params->fwd_offset); | |
| const __m128i wt1 = _mm_set1_epi16(conv_params->bck_offset); | |
| const __m128i wt = _mm_unpacklo_epi16(wt0, wt1); | |
| const int do_average = conv_params->do_average; | |
| const int use_dist_wtd_comp_avg = conv_params->use_dist_wtd_comp_avg; | |
| 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); | |
| const __m128i round_const = _mm_set1_epi32((1 << conv_params->round_1) >> 1); | |
| const __m128i round_shift = _mm_cvtsi32_si128(conv_params->round_1); | |
| __m128i coeffs[4]; | |
| prepare_coeffs(filter_params_y, subpel_y_qn, coeffs); | |
| if (w == 4) { | |
| __m128i s[8], src6, res, res_shift; | |
| src6 = _mm_cvtsi32_si128(*(int *)(src_ptr + 6 * src_stride)); | |
| s[0] = _mm_unpacklo_epi8( | |
| _mm_cvtsi32_si128(*(int *)(src_ptr + 0 * src_stride)), | |
| _mm_cvtsi32_si128(*(int *)(src_ptr + 1 * src_stride))); | |
| s[1] = _mm_unpacklo_epi8( | |
| _mm_cvtsi32_si128(*(int *)(src_ptr + 1 * src_stride)), | |
| _mm_cvtsi32_si128(*(int *)(src_ptr + 2 * src_stride))); | |
| s[2] = _mm_unpacklo_epi8( | |
| _mm_cvtsi32_si128(*(int *)(src_ptr + 2 * src_stride)), | |
| _mm_cvtsi32_si128(*(int *)(src_ptr + 3 * src_stride))); | |
| s[3] = _mm_unpacklo_epi8( | |
| _mm_cvtsi32_si128(*(int *)(src_ptr + 3 * src_stride)), | |
| _mm_cvtsi32_si128(*(int *)(src_ptr + 4 * src_stride))); | |
| s[4] = _mm_unpacklo_epi8( | |
| _mm_cvtsi32_si128(*(int *)(src_ptr + 4 * src_stride)), | |
| _mm_cvtsi32_si128(*(int *)(src_ptr + 5 * src_stride))); | |
| s[5] = _mm_unpacklo_epi8( | |
| _mm_cvtsi32_si128(*(int *)(src_ptr + 5 * src_stride)), src6); | |
| do { | |
| s[6] = _mm_unpacklo_epi8( | |
| src6, _mm_cvtsi32_si128(*(int *)(src_ptr + 7 * src_stride))); | |
| src6 = _mm_cvtsi32_si128(*(int *)(src_ptr + 8 * src_stride)); | |
| s[7] = _mm_unpacklo_epi8( | |
| _mm_cvtsi32_si128(*(int *)(src_ptr + 7 * src_stride)), src6); | |
| res = convolve_lo_y(s + 0, coeffs); | |
| res_shift = _mm_sll_epi32(res, left_shift); | |
| res_shift = | |
| _mm_sra_epi32(_mm_add_epi32(res_shift, round_const), round_shift); | |
| __m128i res_16b = _mm_packs_epi32(res_shift, res_shift); | |
| __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); | |
| 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); | |
| *(int *)(&dst0[0]) = _mm_cvtsi128_si32(res_8); | |
| } else { | |
| _mm_store_si128((__m128i *)dst, res_unsigned); | |
| } | |
| src_ptr += src_stride; | |
| dst += dst_stride; | |
| dst0 += dst_stride0; | |
| res = convolve_lo_y(s + 1, coeffs); | |
| res_shift = _mm_sll_epi32(res, left_shift); | |
| res_shift = | |
| _mm_sra_epi32(_mm_add_epi32(res_shift, round_const), round_shift); | |
| res_16b = _mm_packs_epi32(res_shift, res_shift); | |
| 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); | |
| 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); | |
| *(int *)(&dst0[0]) = _mm_cvtsi128_si32(res_8); | |
| } else { | |
| _mm_store_si128((__m128i *)dst, res_unsigned); | |
| } | |
| src_ptr += src_stride; | |
| dst += dst_stride; | |
| dst0 += dst_stride0; | |
| s[0] = s[2]; | |
| s[1] = s[3]; | |
| s[2] = s[4]; | |
| s[3] = s[5]; | |
| s[4] = s[6]; | |
| s[5] = s[7]; | |
| h -= 2; | |
| } while (h); | |
| } else { | |
| assert(!(w % 8)); | |
| int j = 0; | |
| do { | |
| __m128i s[8], src6, res_lo, res_hi, res_lo_shift, res_hi_shift; | |
| const uint8_t *data = &src_ptr[j]; | |
| src6 = _mm_loadl_epi64((__m128i *)(data + 6 * src_stride)); | |
| s[0] = _mm_unpacklo_epi8( | |
| _mm_loadl_epi64((__m128i *)(data + 0 * src_stride)), | |
| _mm_loadl_epi64((__m128i *)(data + 1 * src_stride))); | |
| s[1] = _mm_unpacklo_epi8( | |
| _mm_loadl_epi64((__m128i *)(data + 1 * src_stride)), | |
| _mm_loadl_epi64((__m128i *)(data + 2 * src_stride))); | |
| s[2] = _mm_unpacklo_epi8( | |
| _mm_loadl_epi64((__m128i *)(data + 2 * src_stride)), | |
| _mm_loadl_epi64((__m128i *)(data + 3 * src_stride))); | |
| s[3] = _mm_unpacklo_epi8( | |
| _mm_loadl_epi64((__m128i *)(data + 3 * src_stride)), | |
| _mm_loadl_epi64((__m128i *)(data + 4 * src_stride))); | |
| s[4] = _mm_unpacklo_epi8( | |
| _mm_loadl_epi64((__m128i *)(data + 4 * src_stride)), | |
| _mm_loadl_epi64((__m128i *)(data + 5 * src_stride))); | |
| s[5] = _mm_unpacklo_epi8( | |
| _mm_loadl_epi64((__m128i *)(data + 5 * src_stride)), src6); | |
| int i = 0; | |
| do { | |
| data = &src_ptr[i * src_stride + j]; | |
| s[6] = _mm_unpacklo_epi8( | |
| src6, _mm_loadl_epi64((__m128i *)(data + 7 * src_stride))); | |
| src6 = _mm_loadl_epi64((__m128i *)(data + 8 * src_stride)); | |
| s[7] = _mm_unpacklo_epi8( | |
| _mm_loadl_epi64((__m128i *)(data + 7 * src_stride)), src6); | |
| res_lo = convolve_lo_y(s, coeffs); // Filter low index pixels | |
| res_hi = convolve_hi_y(s, coeffs); // Filter high index pixels | |
| res_lo_shift = _mm_sll_epi32(res_lo, left_shift); | |
| res_hi_shift = _mm_sll_epi32(res_hi, left_shift); | |
| res_lo_shift = _mm_sra_epi32(_mm_add_epi32(res_lo_shift, round_const), | |
| round_shift); | |
| res_hi_shift = _mm_sra_epi32(_mm_add_epi32(res_hi_shift, round_const), | |
| round_shift); | |
| __m128i res_16b = _mm_packs_epi32(res_lo_shift, res_hi_shift); | |
| __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); | |
| _mm_storel_epi64((__m128i *)(&dst0[i * dst_stride0 + j]), res_8); | |
| } else { | |
| _mm_store_si128((__m128i *)(&dst[i * dst_stride + j]), res_unsigned); | |
| } | |
| i++; | |
| res_lo = convolve_lo_y(s + 1, coeffs); // Filter low index pixels | |
| res_hi = convolve_hi_y(s + 1, coeffs); // Filter high index pixels | |
| res_lo_shift = _mm_sll_epi32(res_lo, left_shift); | |
| res_hi_shift = _mm_sll_epi32(res_hi, left_shift); | |
| res_lo_shift = _mm_sra_epi32(_mm_add_epi32(res_lo_shift, round_const), | |
| round_shift); | |
| res_hi_shift = _mm_sra_epi32(_mm_add_epi32(res_hi_shift, round_const), | |
| round_shift); | |
| res_16b = _mm_packs_epi32(res_lo_shift, res_hi_shift); | |
| res_unsigned = _mm_add_epi16(res_16b, offset_const); | |
| // Accumulate values into the destination buffer | |
| if (do_average) { | |
| __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); | |
| _mm_storel_epi64((__m128i *)(&dst0[i * dst_stride0 + j]), res_8); | |
| } else { | |
| _mm_store_si128((__m128i *)(&dst[i * dst_stride + j]), res_unsigned); | |
| } | |
| i++; | |
| s[0] = s[2]; | |
| s[1] = s[3]; | |
| s[2] = s[4]; | |
| s[3] = s[5]; | |
| s[4] = s[6]; | |
| s[5] = s[7]; | |
| } while (i < h); | |
| j += 8; | |
| } while (j < w); | |
| } | |
| } | |
| void av1_dist_wtd_convolve_2d_sse2(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) { | |
| __m128i temp_lo, temp_hi; | |
| 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); | |
| temp_lo = _mm_srli_si128(src_lo, 4); | |
| temp_hi = _mm_slli_si128(src_hi, 12); | |
| const __m128i src_2 = _mm_or_si128(temp_hi, temp_lo); | |
| const __m128i res_2 = _mm_madd_epi16(src_2, coeff_23); | |
| temp_lo = _mm_srli_si128(src_lo, 8); | |
| temp_hi = _mm_slli_si128(src_hi, 8); | |
| const __m128i src_4 = _mm_or_si128(temp_hi, temp_lo); | |
| const __m128i res_4 = _mm_madd_epi16(src_4, coeff_45); | |
| temp_lo = _mm_srli_si128(src_lo, 12); | |
| temp_hi = _mm_slli_si128(src_hi, 4); | |
| const __m128i src_6 = _mm_or_si128(temp_hi, temp_lo); | |
| 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 | |
| temp_lo = _mm_srli_si128(src_lo, 2); | |
| temp_hi = _mm_slli_si128(src_hi, 14); | |
| const __m128i src_1 = _mm_or_si128(temp_hi, temp_lo); | |
| const __m128i res_1 = _mm_madd_epi16(src_1, coeff_01); | |
| temp_lo = _mm_srli_si128(src_lo, 6); | |
| temp_hi = _mm_slli_si128(src_hi, 10); | |
| const __m128i src_3 = _mm_or_si128(temp_hi, temp_lo); | |
| const __m128i res_3 = _mm_madd_epi16(src_3, coeff_23); | |
| temp_lo = _mm_srli_si128(src_lo, 10); | |
| temp_hi = _mm_slli_si128(src_hi, 6); | |
| const __m128i src_5 = _mm_or_si128(temp_hi, temp_lo); | |
| const __m128i res_5 = _mm_madd_epi16(src_5, coeff_45); | |
| temp_lo = _mm_srli_si128(src_lo, 14); | |
| temp_hi = _mm_slli_si128(src_hi, 2); | |
| const __m128i src_7 = _mm_or_si128(temp_hi, temp_lo); | |
| 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); | |
| } | |
| } | |
| } | |
| } | |
| } |