| /* |
| * Copyright (c) 2021, Alliance for Open Media. All rights reserved |
| * |
| * This source code is subject to the terms of the BSD 3-Clause Clear License |
| * and the Alliance for Open Media Patent License 1.0. If the BSD 3-Clause Clear |
| * License was not distributed with this source code in the LICENSE file, you |
| * can obtain it at aomedia.org/license/software-license/bsd-3-c-c/. 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 |
| * aomedia.org/license/patent-license/. |
| */ |
| |
| #include <tmmintrin.h> |
| #include <smmintrin.h> |
| #include <assert.h> |
| |
| #include "config/aom_dsp_rtcd.h" |
| |
| #include "aom_dsp/aom_dsp_common.h" |
| #include "aom_dsp/aom_filter.h" |
| #include "aom_dsp/x86/convolve_sse2.h" |
| #include "aom_dsp/x86/convolve_sse4_1.h" |
| #include "av1/common/convolve.h" |
| |
| void av1_highbd_dist_wtd_convolve_2d_copy_sse4_1(const uint16_t *src, |
| int src_stride, uint16_t *dst0, |
| int dst_stride0, int w, int h, |
| ConvolveParams *conv_params, |
| int bd) { |
| CONV_BUF_TYPE *dst = conv_params->dst; |
| int dst_stride = conv_params->dst_stride; |
| |
| const int bits = |
| FILTER_BITS * 2 - conv_params->round_1 - conv_params->round_0; |
| const __m128i left_shift = _mm_cvtsi32_si128(bits); |
| const int do_average = conv_params->do_average; |
| const int use_wtd_comp_avg = is_uneven_wtd_comp_avg(conv_params); |
| const int w0 = conv_params->fwd_offset; |
| const int w1 = conv_params->bck_offset; |
| const __m128i wt0 = _mm_set1_epi32(w0); |
| const __m128i wt1 = _mm_set1_epi32(w1); |
| const __m128i zero = _mm_setzero_si128(); |
| int i, j; |
| |
| 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_epi32(offset); |
| const __m128i offset_const_16b = _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_epi32((1 << rounding_shift) >> 1); |
| const __m128i clip_pixel_to_bd = |
| _mm_set1_epi16(bd == 10 ? 1023 : (bd == 12 ? 4095 : 255)); |
| |
| assert(bits <= 4); |
| |
| if (!(w % 8)) { |
| for (i = 0; i < h; i += 1) { |
| for (j = 0; j < w; j += 8) { |
| const __m128i src_16bit = |
| _mm_loadu_si128((__m128i *)(&src[i * src_stride + j])); |
| const __m128i res = _mm_sll_epi16(src_16bit, left_shift); |
| if (do_average) { |
| const __m128i data_0 = |
| _mm_loadu_si128((__m128i *)(&dst[i * dst_stride + j])); |
| |
| const __m128i data_ref_0_lo = _mm_unpacklo_epi16(data_0, zero); |
| const __m128i data_ref_0_hi = _mm_unpackhi_epi16(data_0, zero); |
| |
| const __m128i res_32b_lo = _mm_unpacklo_epi16(res, zero); |
| const __m128i res_unsigned_lo = |
| _mm_add_epi32(res_32b_lo, offset_const); |
| |
| const __m128i comp_avg_res_lo = highbd_comp_avg_sse4_1( |
| &data_ref_0_lo, &res_unsigned_lo, &wt0, &wt1, use_wtd_comp_avg); |
| |
| const __m128i res_32b_hi = _mm_unpackhi_epi16(res, zero); |
| const __m128i res_unsigned_hi = |
| _mm_add_epi32(res_32b_hi, offset_const); |
| |
| const __m128i comp_avg_res_hi = highbd_comp_avg_sse4_1( |
| &data_ref_0_hi, &res_unsigned_hi, &wt0, &wt1, use_wtd_comp_avg); |
| |
| const __m128i round_result_lo = highbd_convolve_rounding_sse2( |
| &comp_avg_res_lo, &offset_const, &rounding_const, rounding_shift); |
| const __m128i round_result_hi = highbd_convolve_rounding_sse2( |
| &comp_avg_res_hi, &offset_const, &rounding_const, rounding_shift); |
| |
| const __m128i res_16b = |
| _mm_packus_epi32(round_result_lo, round_result_hi); |
| const __m128i res_clip = _mm_min_epi16(res_16b, clip_pixel_to_bd); |
| |
| _mm_store_si128((__m128i *)(&dst0[i * dst_stride0 + j]), res_clip); |
| } else { |
| const __m128i res_unsigned_16b = |
| _mm_adds_epu16(res, offset_const_16b); |
| |
| _mm_store_si128((__m128i *)(&dst[i * dst_stride + j]), |
| res_unsigned_16b); |
| } |
| } |
| } |
| } else if (!(w % 4)) { |
| for (i = 0; i < h; i += 2) { |
| for (j = 0; j < w; j += 4) { |
| const __m128i src_row_0 = |
| _mm_loadl_epi64((__m128i *)(&src[i * src_stride + j])); |
| const __m128i src_row_1 = |
| _mm_loadl_epi64((__m128i *)(&src[i * src_stride + j + src_stride])); |
| const __m128i src_10 = _mm_unpacklo_epi64(src_row_0, src_row_1); |
| |
| const __m128i res = _mm_sll_epi16(src_10, left_shift); |
| |
| if (do_average) { |
| const __m128i data_0 = |
| _mm_loadl_epi64((__m128i *)(&dst[i * dst_stride + j])); |
| const __m128i data_1 = _mm_loadl_epi64( |
| (__m128i *)(&dst[i * dst_stride + j + dst_stride])); |
| |
| const __m128i data_ref_0 = _mm_unpacklo_epi16(data_0, zero); |
| const __m128i data_ref_1 = _mm_unpacklo_epi16(data_1, zero); |
| |
| const __m128i res_32b = _mm_unpacklo_epi16(res, zero); |
| const __m128i res_unsigned_lo = _mm_add_epi32(res_32b, offset_const); |
| |
| const __m128i res_32b_hi = _mm_unpackhi_epi16(res, zero); |
| const __m128i res_unsigned_hi = |
| _mm_add_epi32(res_32b_hi, offset_const); |
| |
| const __m128i comp_avg_res_lo = highbd_comp_avg_sse4_1( |
| &data_ref_0, &res_unsigned_lo, &wt0, &wt1, use_wtd_comp_avg); |
| const __m128i comp_avg_res_hi = highbd_comp_avg_sse4_1( |
| &data_ref_1, &res_unsigned_hi, &wt0, &wt1, use_wtd_comp_avg); |
| |
| const __m128i round_result_lo = highbd_convolve_rounding_sse2( |
| &comp_avg_res_lo, &offset_const, &rounding_const, rounding_shift); |
| const __m128i round_result_hi = highbd_convolve_rounding_sse2( |
| &comp_avg_res_hi, &offset_const, &rounding_const, rounding_shift); |
| |
| const __m128i res_16b = |
| _mm_packus_epi32(round_result_lo, round_result_hi); |
| const __m128i res_clip = _mm_min_epi16(res_16b, clip_pixel_to_bd); |
| |
| const __m128i res_1 = _mm_srli_si128(res_clip, 8); |
| |
| _mm_storel_epi64((__m128i *)(&dst0[i * dst_stride0 + j]), res_clip); |
| _mm_storel_epi64( |
| (__m128i *)(&dst0[i * dst_stride0 + j + dst_stride0]), res_1); |
| } else { |
| const __m128i res_unsigned_16b = |
| _mm_adds_epu16(res, offset_const_16b); |
| |
| const __m128i res_1 = _mm_srli_si128(res_unsigned_16b, 8); |
| |
| _mm_storel_epi64((__m128i *)(&dst[i * dst_stride + j]), |
| res_unsigned_16b); |
| _mm_storel_epi64((__m128i *)(&dst[i * dst_stride + j + dst_stride]), |
| res_1); |
| } |
| } |
| } |
| } |
| } |
| |
| void av1_highbd_dist_wtd_convolve_2d_sse4_1( |
| const uint16_t *src, int src_stride, uint16_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, int bd) { |
| DECLARE_ALIGNED(16, int16_t, |
| im_block[(MAX_SB_SIZE + MAX_FILTER_TAP - 1) * MAX_SB_SIZE]); |
| CONV_BUF_TYPE *dst = conv_params->dst; |
| int dst_stride = conv_params->dst_stride; |
| int im_h = h + filter_params_y->taps - 1; |
| int im_stride = MAX_SB_SIZE; |
| int i, j; |
| const int do_average = conv_params->do_average; |
| const int use_wtd_comp_avg = is_uneven_wtd_comp_avg(conv_params); |
| const int w0 = conv_params->fwd_offset; |
| const int w1 = conv_params->bck_offset; |
| const __m128i wt0 = _mm_set1_epi32(w0); |
| const __m128i wt1 = _mm_set1_epi32(w1); |
| 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; |
| |
| 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_epi32(offset); |
| const int rounding_shift = |
| 2 * FILTER_BITS - conv_params->round_0 - conv_params->round_1; |
| const __m128i rounding_const = _mm_set1_epi32((1 << rounding_shift) >> 1); |
| const __m128i clip_pixel_to_bd = |
| _mm_set1_epi16(bd == 10 ? 1023 : (bd == 12 ? 4095 : 255)); |
| |
| // 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); |
| |
| /* 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 data2 = |
| _mm_loadu_si128((__m128i *)&src_ptr[i * src_stride + j + 8]); |
| |
| // Filter even-index pixels |
| const __m128i res_0 = _mm_madd_epi16(data, coeff_01); |
| const __m128i res_2 = |
| _mm_madd_epi16(_mm_alignr_epi8(data2, data, 4), coeff_23); |
| const __m128i res_4 = |
| _mm_madd_epi16(_mm_alignr_epi8(data2, data, 8), coeff_45); |
| const __m128i res_6 = |
| _mm_madd_epi16(_mm_alignr_epi8(data2, data, 12), 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 res_1 = |
| _mm_madd_epi16(_mm_alignr_epi8(data2, data, 2), coeff_01); |
| const __m128i res_3 = |
| _mm_madd_epi16(_mm_alignr_epi8(data2, data, 6), coeff_23); |
| const __m128i res_5 = |
| _mm_madd_epi16(_mm_alignr_epi8(data2, data, 10), coeff_45); |
| const __m128i res_7 = |
| _mm_madd_epi16(_mm_alignr_epi8(data2, data, 14), 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_storeu_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_unsigned_lo = |
| _mm_add_epi32(res_lo_round, offset_const); |
| |
| if (w < 8) { |
| if (do_average) { |
| const __m128i data_0 = |
| _mm_loadl_epi64((__m128i *)(&dst[i * dst_stride + j])); |
| |
| const __m128i data_ref_0 = _mm_cvtepu16_epi32(data_0); |
| |
| const __m128i comp_avg_res = highbd_comp_avg_sse4_1( |
| &data_ref_0, &res_unsigned_lo, &wt0, &wt1, use_wtd_comp_avg); |
| |
| const __m128i round_result = highbd_convolve_rounding_sse2( |
| &comp_avg_res, &offset_const, &rounding_const, rounding_shift); |
| |
| const __m128i res_16b = |
| _mm_packus_epi32(round_result, round_result); |
| const __m128i res_clip = _mm_min_epi16(res_16b, clip_pixel_to_bd); |
| |
| _mm_storel_epi64((__m128i *)(&dst0[i * dst_stride0 + j]), res_clip); |
| } else { |
| const __m128i res_16b = |
| _mm_packus_epi32(res_unsigned_lo, res_unsigned_lo); |
| _mm_storel_epi64((__m128i *)(&dst[i * dst_stride + j]), res_16b); |
| } |
| } else { |
| const __m128i res_hi_round = |
| _mm_sra_epi32(_mm_add_epi32(res_hi, round_const), round_shift); |
| |
| const __m128i res_unsigned_hi = |
| _mm_add_epi32(res_hi_round, offset_const); |
| |
| if (do_average) { |
| const __m128i data_lo = |
| _mm_loadl_epi64((__m128i *)(&dst[i * dst_stride + j])); |
| const __m128i data_hi = |
| _mm_loadl_epi64((__m128i *)(&dst[i * dst_stride + j + 4])); |
| |
| const __m128i data_ref_0_lo = _mm_cvtepu16_epi32(data_lo); |
| const __m128i data_ref_0_hi = _mm_cvtepu16_epi32(data_hi); |
| |
| const __m128i comp_avg_res_lo = highbd_comp_avg_sse4_1( |
| &data_ref_0_lo, &res_unsigned_lo, &wt0, &wt1, use_wtd_comp_avg); |
| const __m128i comp_avg_res_hi = highbd_comp_avg_sse4_1( |
| &data_ref_0_hi, &res_unsigned_hi, &wt0, &wt1, use_wtd_comp_avg); |
| |
| const __m128i round_result_lo = |
| highbd_convolve_rounding_sse2(&comp_avg_res_lo, &offset_const, |
| &rounding_const, rounding_shift); |
| const __m128i round_result_hi = |
| highbd_convolve_rounding_sse2(&comp_avg_res_hi, &offset_const, |
| &rounding_const, rounding_shift); |
| |
| const __m128i res_16b = |
| _mm_packus_epi32(round_result_lo, round_result_hi); |
| const __m128i res_clip = _mm_min_epi16(res_16b, clip_pixel_to_bd); |
| |
| _mm_store_si128((__m128i *)(&dst0[i * dst_stride0 + j]), res_clip); |
| } else { |
| const __m128i res_16b = |
| _mm_packus_epi32(res_unsigned_lo, res_unsigned_hi); |
| _mm_store_si128((__m128i *)(&dst[i * dst_stride + j]), res_16b); |
| } |
| } |
| } |
| } |
| } |
| } |