| /* |
| * 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 <immintrin.h> |
| |
| #include "config/av1_rtcd.h" |
| |
| #include "aom_dsp/aom_dsp_common.h" |
| #include "aom_dsp/x86/convolve_common_intrin.h" |
| #include "aom_dsp/x86/convolve_avx2.h" |
| #include "aom_dsp/x86/synonyms.h" |
| |
| void av1_convolve_y_sr_avx2(const uint8_t *src, int src_stride, uint8_t *dst, |
| int dst_stride, int w, int h, |
| const InterpFilterParams *filter_params_y, |
| const int subpel_y_qn) { |
| int i, j, vert_tap = SUBPEL_TAPS; |
| // right shift is F-1 because we are already dividing |
| // filter co-efficients by 2 |
| const int right_shift_bits = (FILTER_BITS - 1); |
| __m128i right_shift = _mm_cvtsi32_si128(right_shift_bits); |
| __m256i right_shift_const = _mm256_set1_epi16((1 << right_shift_bits) >> 1); |
| |
| __m256i coeffs[6], s[12]; |
| __m128i d[10]; |
| |
| // Condition for checking valid vert_filt taps |
| const int16_t *const filter = av1_get_interp_filter_subpel_kernel( |
| filter_params_y, subpel_y_qn & SUBPEL_MASK); |
| if (filter_params_y->taps == 12) { |
| vert_tap = 12; |
| } else if (!(filter[0] | filter[1] | filter[6] | filter[7])) { |
| vert_tap = 4; |
| } else if (!(filter[0] | filter[7])) { |
| vert_tap = 6; |
| } |
| |
| if (vert_tap == 6) |
| prepare_coeffs_6t_lowbd(filter_params_y, subpel_y_qn, coeffs); |
| else if (vert_tap == 12) { |
| prepare_coeffs_12taps(filter_params_y, subpel_y_qn, coeffs); |
| } else { |
| prepare_coeffs_lowbd(filter_params_y, subpel_y_qn, coeffs); |
| } |
| |
| // vert_filt as 4 tap |
| if (vert_tap == 4) { |
| const int fo_vert = 1; |
| const uint8_t *const src_ptr = src - fo_vert * src_stride; |
| for (j = 0; j < w; j += 16) { |
| const uint8_t *data = &src_ptr[j]; |
| d[0] = _mm_loadu_si128((__m128i *)(data + 0 * src_stride)); |
| d[1] = _mm_loadu_si128((__m128i *)(data + 1 * src_stride)); |
| d[2] = _mm_loadu_si128((__m128i *)(data + 2 * src_stride)); |
| d[3] = _mm_loadu_si128((__m128i *)(data + 3 * src_stride)); |
| d[4] = _mm_loadu_si128((__m128i *)(data + 4 * src_stride)); |
| |
| // Load lines a and b. Line a to lower 128, line b to upper 128 |
| const __m256i src_01a = _mm256_permute2x128_si256( |
| _mm256_castsi128_si256(d[0]), _mm256_castsi128_si256(d[1]), 0x20); |
| |
| const __m256i src_12a = _mm256_permute2x128_si256( |
| _mm256_castsi128_si256(d[1]), _mm256_castsi128_si256(d[2]), 0x20); |
| |
| const __m256i src_23a = _mm256_permute2x128_si256( |
| _mm256_castsi128_si256(d[2]), _mm256_castsi128_si256(d[3]), 0x20); |
| |
| const __m256i src_34a = _mm256_permute2x128_si256( |
| _mm256_castsi128_si256(d[3]), _mm256_castsi128_si256(d[4]), 0x20); |
| |
| s[0] = _mm256_unpacklo_epi8(src_01a, src_12a); |
| s[1] = _mm256_unpacklo_epi8(src_23a, src_34a); |
| |
| s[3] = _mm256_unpackhi_epi8(src_01a, src_12a); |
| s[4] = _mm256_unpackhi_epi8(src_23a, src_34a); |
| |
| for (i = 0; i < h; i += 2) { |
| data = &src_ptr[i * src_stride + j]; |
| d[5] = _mm_loadu_si128((__m128i *)(data + 5 * src_stride)); |
| const __m256i src_45a = _mm256_permute2x128_si256( |
| _mm256_castsi128_si256(d[4]), _mm256_castsi128_si256(d[5]), 0x20); |
| |
| d[4] = _mm_loadu_si128((__m128i *)(data + 6 * src_stride)); |
| const __m256i src_56a = _mm256_permute2x128_si256( |
| _mm256_castsi128_si256(d[5]), _mm256_castsi128_si256(d[4]), 0x20); |
| |
| s[2] = _mm256_unpacklo_epi8(src_45a, src_56a); |
| s[5] = _mm256_unpackhi_epi8(src_45a, src_56a); |
| |
| const __m256i res_lo = convolve_lowbd_4tap(s, coeffs + 1); |
| /* rounding code */ |
| // shift by F - 1 |
| const __m256i res_16b_lo = _mm256_sra_epi16( |
| _mm256_add_epi16(res_lo, right_shift_const), right_shift); |
| // 8 bit conversion and saturation to uint8 |
| __m256i res_8b_lo = _mm256_packus_epi16(res_16b_lo, res_16b_lo); |
| |
| if (w - j > 8) { |
| const __m256i res_hi = convolve_lowbd_4tap(s + 3, coeffs + 1); |
| |
| /* rounding code */ |
| // shift by F - 1 |
| const __m256i res_16b_hi = _mm256_sra_epi16( |
| _mm256_add_epi16(res_hi, right_shift_const), right_shift); |
| // 8 bit conversion and saturation to uint8 |
| __m256i res_8b_hi = _mm256_packus_epi16(res_16b_hi, res_16b_hi); |
| |
| __m256i res_a = _mm256_unpacklo_epi64(res_8b_lo, res_8b_hi); |
| |
| const __m128i res_0 = _mm256_castsi256_si128(res_a); |
| const __m128i res_1 = _mm256_extracti128_si256(res_a, 1); |
| |
| _mm_storeu_si128((__m128i *)&dst[i * dst_stride + j], res_0); |
| _mm_storeu_si128((__m128i *)&dst[i * dst_stride + j + dst_stride], |
| res_1); |
| } else { |
| const __m128i res_0 = _mm256_castsi256_si128(res_8b_lo); |
| const __m128i res_1 = _mm256_extracti128_si256(res_8b_lo, 1); |
| if (w - j > 4) { |
| _mm_storel_epi64((__m128i *)&dst[i * dst_stride + j], res_0); |
| _mm_storel_epi64((__m128i *)&dst[i * dst_stride + j + dst_stride], |
| res_1); |
| } else if (w - j > 2) { |
| xx_storel_32(&dst[i * dst_stride + j], res_0); |
| xx_storel_32(&dst[i * dst_stride + j + dst_stride], res_1); |
| } else { |
| __m128i *const p_0 = (__m128i *)&dst[i * dst_stride + j]; |
| __m128i *const p_1 = |
| (__m128i *)&dst[i * dst_stride + j + dst_stride]; |
| *(uint16_t *)p_0 = (uint16_t)_mm_cvtsi128_si32(res_0); |
| *(uint16_t *)p_1 = (uint16_t)_mm_cvtsi128_si32(res_1); |
| } |
| } |
| s[0] = s[1]; |
| s[1] = s[2]; |
| |
| s[3] = s[4]; |
| s[4] = s[5]; |
| } |
| } |
| } else if (vert_tap == 6) { |
| const int fo_vert = vert_tap / 2 - 1; |
| const uint8_t *const src_ptr = src - fo_vert * src_stride; |
| |
| for (j = 0; j < w; j += 16) { |
| const uint8_t *data = &src_ptr[j]; |
| __m256i src6; |
| |
| d[0] = _mm_loadu_si128((__m128i *)(data + 0 * src_stride)); |
| d[1] = _mm_loadu_si128((__m128i *)(data + 1 * src_stride)); |
| d[2] = _mm_loadu_si128((__m128i *)(data + 2 * src_stride)); |
| d[3] = _mm_loadu_si128((__m128i *)(data + 3 * src_stride)); |
| // Load lines a and b. Line a to lower 128, line b to upper 128 |
| const __m256i src_01a = _mm256_permute2x128_si256( |
| _mm256_castsi128_si256(d[0]), _mm256_castsi128_si256(d[1]), 0x20); |
| |
| const __m256i src_12a = _mm256_permute2x128_si256( |
| _mm256_castsi128_si256(d[1]), _mm256_castsi128_si256(d[2]), 0x20); |
| |
| const __m256i src_23a = _mm256_permute2x128_si256( |
| _mm256_castsi128_si256(d[2]), _mm256_castsi128_si256(d[3]), 0x20); |
| |
| src6 = _mm256_castsi128_si256( |
| _mm_loadu_si128((__m128i *)(data + 4 * src_stride))); |
| const __m256i src_34a = |
| _mm256_permute2x128_si256(_mm256_castsi128_si256(d[3]), src6, 0x20); |
| |
| s[0] = _mm256_unpacklo_epi8(src_01a, src_12a); |
| s[1] = _mm256_unpacklo_epi8(src_23a, src_34a); |
| |
| s[3] = _mm256_unpackhi_epi8(src_01a, src_12a); |
| s[4] = _mm256_unpackhi_epi8(src_23a, src_34a); |
| |
| for (i = 0; i < h; i += 2) { |
| data = &src_ptr[i * src_stride + j]; |
| const __m256i src_45a = _mm256_permute2x128_si256( |
| src6, |
| _mm256_castsi128_si256( |
| _mm_loadu_si128((__m128i *)(data + 5 * src_stride))), |
| 0x20); |
| |
| src6 = _mm256_castsi128_si256( |
| _mm_loadu_si128((__m128i *)(data + 6 * src_stride))); |
| const __m256i src_56a = _mm256_permute2x128_si256( |
| _mm256_castsi128_si256( |
| _mm_loadu_si128((__m128i *)(data + 5 * src_stride))), |
| src6, 0x20); |
| |
| s[2] = _mm256_unpacklo_epi8(src_45a, src_56a); |
| s[5] = _mm256_unpackhi_epi8(src_45a, src_56a); |
| |
| const __m256i res_lo = convolve_lowbd_6tap(s, coeffs); |
| |
| /* rounding code */ |
| // shift by F - 1 |
| const __m256i res_16b_lo = _mm256_sra_epi16( |
| _mm256_add_epi16(res_lo, right_shift_const), right_shift); |
| // 8 bit conversion and saturation to uint8 |
| __m256i res_8b_lo = _mm256_packus_epi16(res_16b_lo, res_16b_lo); |
| |
| if (w - j > 8) { |
| const __m256i res_hi = convolve_lowbd_6tap(s + 3, coeffs); |
| |
| /* rounding code */ |
| // shift by F - 1 |
| const __m256i res_16b_hi = _mm256_sra_epi16( |
| _mm256_add_epi16(res_hi, right_shift_const), right_shift); |
| // 8 bit conversion and saturation to uint8 |
| __m256i res_8b_hi = _mm256_packus_epi16(res_16b_hi, res_16b_hi); |
| |
| __m256i res_a = _mm256_unpacklo_epi64(res_8b_lo, res_8b_hi); |
| |
| const __m128i res_0 = _mm256_castsi256_si128(res_a); |
| const __m128i res_1 = _mm256_extracti128_si256(res_a, 1); |
| |
| _mm_storeu_si128((__m128i *)&dst[i * dst_stride + j], res_0); |
| _mm_storeu_si128((__m128i *)&dst[i * dst_stride + j + dst_stride], |
| res_1); |
| } else { |
| const __m128i res_0 = _mm256_castsi256_si128(res_8b_lo); |
| const __m128i res_1 = _mm256_extracti128_si256(res_8b_lo, 1); |
| if (w - j > 4) { |
| _mm_storel_epi64((__m128i *)&dst[i * dst_stride + j], res_0); |
| _mm_storel_epi64((__m128i *)&dst[i * dst_stride + j + dst_stride], |
| res_1); |
| } else if (w - j > 2) { |
| xx_storel_32(&dst[i * dst_stride + j], res_0); |
| xx_storel_32(&dst[i * dst_stride + j + dst_stride], res_1); |
| } else { |
| __m128i *const p_0 = (__m128i *)&dst[i * dst_stride + j]; |
| __m128i *const p_1 = |
| (__m128i *)&dst[i * dst_stride + j + dst_stride]; |
| *(uint16_t *)p_0 = (uint16_t)_mm_cvtsi128_si32(res_0); |
| *(uint16_t *)p_1 = (uint16_t)_mm_cvtsi128_si32(res_1); |
| } |
| } |
| s[0] = s[1]; |
| s[1] = s[2]; |
| s[3] = s[4]; |
| s[4] = s[5]; |
| } |
| } |
| } else if (vert_tap == 12) { // vert_tap == 12 |
| const int fo_vert = filter_params_y->taps / 2 - 1; |
| const uint8_t *const src_ptr = src - fo_vert * src_stride; |
| const __m256i v_zero = _mm256_setzero_si256(); |
| right_shift = _mm_cvtsi32_si128(FILTER_BITS); |
| right_shift_const = _mm256_set1_epi32((1 << FILTER_BITS) >> 1); |
| |
| for (j = 0; j < w; j += 8) { |
| const uint8_t *data = &src_ptr[j]; |
| __m256i src10; |
| |
| d[0] = _mm_loadl_epi64((__m128i *)(data + 0 * src_stride)); |
| d[1] = _mm_loadl_epi64((__m128i *)(data + 1 * src_stride)); |
| d[2] = _mm_loadl_epi64((__m128i *)(data + 2 * src_stride)); |
| d[3] = _mm_loadl_epi64((__m128i *)(data + 3 * src_stride)); |
| d[4] = _mm_loadl_epi64((__m128i *)(data + 4 * src_stride)); |
| d[5] = _mm_loadl_epi64((__m128i *)(data + 5 * src_stride)); |
| d[6] = _mm_loadl_epi64((__m128i *)(data + 6 * src_stride)); |
| d[7] = _mm_loadl_epi64((__m128i *)(data + 7 * src_stride)); |
| d[8] = _mm_loadl_epi64((__m128i *)(data + 8 * src_stride)); |
| d[9] = _mm_loadl_epi64((__m128i *)(data + 9 * src_stride)); |
| // Load lines a and b. Line a to lower 128, line b to upper 128 |
| const __m256i src_01a = _mm256_permute2x128_si256( |
| _mm256_castsi128_si256(d[0]), _mm256_castsi128_si256(d[1]), 0x20); |
| |
| const __m256i src_12a = _mm256_permute2x128_si256( |
| _mm256_castsi128_si256(d[1]), _mm256_castsi128_si256(d[2]), 0x20); |
| |
| const __m256i src_23a = _mm256_permute2x128_si256( |
| _mm256_castsi128_si256(d[2]), _mm256_castsi128_si256(d[3]), 0x20); |
| |
| const __m256i src_34a = _mm256_permute2x128_si256( |
| _mm256_castsi128_si256(d[3]), _mm256_castsi128_si256(d[4]), 0x20); |
| |
| const __m256i src_45a = _mm256_permute2x128_si256( |
| _mm256_castsi128_si256(d[4]), _mm256_castsi128_si256(d[5]), 0x20); |
| |
| const __m256i src_56a = _mm256_permute2x128_si256( |
| _mm256_castsi128_si256(d[5]), _mm256_castsi128_si256(d[6]), 0x20); |
| |
| const __m256i src_67a = _mm256_permute2x128_si256( |
| _mm256_castsi128_si256(d[6]), _mm256_castsi128_si256(d[7]), 0x20); |
| |
| const __m256i src_78a = _mm256_permute2x128_si256( |
| _mm256_castsi128_si256(d[7]), _mm256_castsi128_si256(d[8]), 0x20); |
| |
| const __m256i src_89a = _mm256_permute2x128_si256( |
| _mm256_castsi128_si256(d[8]), _mm256_castsi128_si256(d[9]), 0x20); |
| |
| src10 = _mm256_castsi128_si256( |
| _mm_loadl_epi64((__m128i *)(data + 10 * src_stride))); |
| const __m256i src_910a = |
| _mm256_permute2x128_si256(_mm256_castsi128_si256(d[9]), src10, 0x20); |
| |
| const __m256i src_01 = _mm256_unpacklo_epi8(src_01a, v_zero); |
| const __m256i src_12 = _mm256_unpacklo_epi8(src_12a, v_zero); |
| const __m256i src_23 = _mm256_unpacklo_epi8(src_23a, v_zero); |
| const __m256i src_34 = _mm256_unpacklo_epi8(src_34a, v_zero); |
| const __m256i src_45 = _mm256_unpacklo_epi8(src_45a, v_zero); |
| const __m256i src_56 = _mm256_unpacklo_epi8(src_56a, v_zero); |
| const __m256i src_67 = _mm256_unpacklo_epi8(src_67a, v_zero); |
| const __m256i src_78 = _mm256_unpacklo_epi8(src_78a, v_zero); |
| const __m256i src_89 = _mm256_unpacklo_epi8(src_89a, v_zero); |
| const __m256i src_910 = _mm256_unpacklo_epi8(src_910a, v_zero); |
| |
| s[0] = _mm256_unpacklo_epi16(src_01, src_12); |
| s[1] = _mm256_unpacklo_epi16(src_23, src_34); |
| s[2] = _mm256_unpacklo_epi16(src_45, src_56); |
| s[3] = _mm256_unpacklo_epi16(src_67, src_78); |
| s[4] = _mm256_unpacklo_epi16(src_89, src_910); |
| |
| s[6] = _mm256_unpackhi_epi16(src_01, src_12); |
| s[7] = _mm256_unpackhi_epi16(src_23, src_34); |
| s[8] = _mm256_unpackhi_epi16(src_45, src_56); |
| s[9] = _mm256_unpackhi_epi16(src_67, src_78); |
| s[10] = _mm256_unpackhi_epi16(src_89, src_910); |
| |
| for (i = 0; i < h; i += 2) { |
| data = &src_ptr[i * src_stride + j]; |
| const __m256i src_1011a = _mm256_permute2x128_si256( |
| src10, |
| _mm256_castsi128_si256( |
| _mm_loadl_epi64((__m128i *)(data + 11 * src_stride))), |
| 0x20); |
| |
| src10 = _mm256_castsi128_si256( |
| _mm_loadl_epi64((__m128i *)(data + 12 * src_stride))); |
| |
| const __m256i src_1112a = _mm256_permute2x128_si256( |
| _mm256_castsi128_si256( |
| _mm_loadl_epi64((__m128i *)(data + 11 * src_stride))), |
| src10, 0x20); |
| |
| const __m256i src_1011 = _mm256_unpacklo_epi8(src_1011a, v_zero); |
| const __m256i src_1112 = _mm256_unpacklo_epi8(src_1112a, v_zero); |
| |
| s[5] = _mm256_unpacklo_epi16(src_1011, src_1112); |
| s[11] = _mm256_unpackhi_epi16(src_1011, src_1112); |
| |
| const __m256i res_lo = convolve_12taps(s, coeffs); |
| |
| const __m256i res_32b_lo = _mm256_sra_epi32( |
| _mm256_add_epi32(res_lo, right_shift_const), right_shift); |
| // 8 bit conversion and saturation to uint8 |
| __m256i res_16b_lo = _mm256_packs_epi32(res_32b_lo, res_32b_lo); |
| __m256i res_8b_lo = _mm256_packus_epi16(res_16b_lo, res_16b_lo); |
| |
| if (w - j > 4) { |
| const __m256i res_hi = convolve_12taps(s + 6, coeffs); |
| |
| const __m256i res_32b_hi = _mm256_sra_epi32( |
| _mm256_add_epi32(res_hi, right_shift_const), right_shift); |
| __m256i res_16b_hi = _mm256_packs_epi32(res_32b_hi, res_32b_hi); |
| // 8 bit conversion and saturation to uint8 |
| __m256i res_8b_hi = _mm256_packus_epi16(res_16b_hi, res_16b_hi); |
| |
| __m256i res_a = _mm256_unpacklo_epi32(res_8b_lo, res_8b_hi); |
| |
| const __m128i res_0 = _mm256_extracti128_si256(res_a, 0); |
| const __m128i res_1 = _mm256_extracti128_si256(res_a, 1); |
| |
| _mm_storel_epi64((__m128i *)&dst[i * dst_stride + j], res_0); |
| _mm_storel_epi64((__m128i *)&dst[i * dst_stride + j + dst_stride], |
| res_1); |
| } else { |
| const __m128i res_0 = _mm256_extracti128_si256(res_8b_lo, 0); |
| const __m128i res_1 = _mm256_extracti128_si256(res_8b_lo, 1); |
| if (w - j > 2) { |
| *(int *)&dst[i * dst_stride + j] = _mm_cvtsi128_si32(res_0); |
| *(int *)&dst[i * dst_stride + j + dst_stride] = |
| _mm_cvtsi128_si32(res_1); |
| } else { |
| *(uint16_t *)&dst[i * dst_stride + j] = |
| (uint16_t)_mm_cvtsi128_si32(res_0); |
| *(uint16_t *)&dst[i * dst_stride + j + dst_stride] = |
| (uint16_t)_mm_cvtsi128_si32(res_1); |
| } |
| } |
| s[0] = s[1]; |
| s[1] = s[2]; |
| s[2] = s[3]; |
| s[3] = s[4]; |
| s[4] = s[5]; |
| |
| s[6] = s[7]; |
| s[7] = s[8]; |
| s[8] = s[9]; |
| s[9] = s[10]; |
| s[10] = s[11]; |
| } |
| } |
| } else { |
| const int fo_vert = filter_params_y->taps / 2 - 1; |
| const uint8_t *const src_ptr = src - fo_vert * src_stride; |
| |
| for (j = 0; j < w; j += 16) { |
| const uint8_t *data = &src_ptr[j]; |
| __m256i src6; |
| |
| d[0] = _mm_loadu_si128((__m128i *)(data + 0 * src_stride)); |
| d[1] = _mm_loadu_si128((__m128i *)(data + 1 * src_stride)); |
| d[2] = _mm_loadu_si128((__m128i *)(data + 2 * src_stride)); |
| d[3] = _mm_loadu_si128((__m128i *)(data + 3 * src_stride)); |
| d[4] = _mm_loadu_si128((__m128i *)(data + 4 * src_stride)); |
| d[5] = _mm_loadu_si128((__m128i *)(data + 5 * src_stride)); |
| // Load lines a and b. Line a to lower 128, line b to upper 128 |
| const __m256i src_01a = _mm256_permute2x128_si256( |
| _mm256_castsi128_si256(d[0]), _mm256_castsi128_si256(d[1]), 0x20); |
| |
| const __m256i src_12a = _mm256_permute2x128_si256( |
| _mm256_castsi128_si256(d[1]), _mm256_castsi128_si256(d[2]), 0x20); |
| |
| const __m256i src_23a = _mm256_permute2x128_si256( |
| _mm256_castsi128_si256(d[2]), _mm256_castsi128_si256(d[3]), 0x20); |
| |
| const __m256i src_34a = _mm256_permute2x128_si256( |
| _mm256_castsi128_si256(d[3]), _mm256_castsi128_si256(d[4]), 0x20); |
| |
| const __m256i src_45a = _mm256_permute2x128_si256( |
| _mm256_castsi128_si256(d[4]), _mm256_castsi128_si256(d[5]), 0x20); |
| |
| src6 = _mm256_castsi128_si256( |
| _mm_loadu_si128((__m128i *)(data + 6 * src_stride))); |
| const __m256i src_56a = |
| _mm256_permute2x128_si256(_mm256_castsi128_si256(d[5]), src6, 0x20); |
| |
| s[0] = _mm256_unpacklo_epi8(src_01a, src_12a); |
| s[1] = _mm256_unpacklo_epi8(src_23a, src_34a); |
| s[2] = _mm256_unpacklo_epi8(src_45a, src_56a); |
| |
| s[4] = _mm256_unpackhi_epi8(src_01a, src_12a); |
| s[5] = _mm256_unpackhi_epi8(src_23a, src_34a); |
| s[6] = _mm256_unpackhi_epi8(src_45a, src_56a); |
| |
| for (i = 0; i < h; i += 2) { |
| data = &src_ptr[i * src_stride + j]; |
| const __m256i src_67a = _mm256_permute2x128_si256( |
| src6, |
| _mm256_castsi128_si256( |
| _mm_loadu_si128((__m128i *)(data + 7 * src_stride))), |
| 0x20); |
| |
| src6 = _mm256_castsi128_si256( |
| _mm_loadu_si128((__m128i *)(data + 8 * src_stride))); |
| const __m256i src_78a = _mm256_permute2x128_si256( |
| _mm256_castsi128_si256( |
| _mm_loadu_si128((__m128i *)(data + 7 * src_stride))), |
| src6, 0x20); |
| |
| s[3] = _mm256_unpacklo_epi8(src_67a, src_78a); |
| s[7] = _mm256_unpackhi_epi8(src_67a, src_78a); |
| |
| const __m256i res_lo = convolve_lowbd(s, coeffs); |
| |
| /* rounding code */ |
| // shift by F - 1 |
| const __m256i res_16b_lo = _mm256_sra_epi16( |
| _mm256_add_epi16(res_lo, right_shift_const), right_shift); |
| // 8 bit conversion and saturation to uint8 |
| __m256i res_8b_lo = _mm256_packus_epi16(res_16b_lo, res_16b_lo); |
| |
| if (w - j > 8) { |
| const __m256i res_hi = convolve_lowbd(s + 4, coeffs); |
| |
| /* rounding code */ |
| // shift by F - 1 |
| const __m256i res_16b_hi = _mm256_sra_epi16( |
| _mm256_add_epi16(res_hi, right_shift_const), right_shift); |
| // 8 bit conversion and saturation to uint8 |
| __m256i res_8b_hi = _mm256_packus_epi16(res_16b_hi, res_16b_hi); |
| |
| __m256i res_a = _mm256_unpacklo_epi64(res_8b_lo, res_8b_hi); |
| |
| const __m128i res_0 = _mm256_castsi256_si128(res_a); |
| const __m128i res_1 = _mm256_extracti128_si256(res_a, 1); |
| |
| _mm_storeu_si128((__m128i *)&dst[i * dst_stride + j], res_0); |
| _mm_storeu_si128((__m128i *)&dst[i * dst_stride + j + dst_stride], |
| res_1); |
| } else { |
| const __m128i res_0 = _mm256_castsi256_si128(res_8b_lo); |
| const __m128i res_1 = _mm256_extracti128_si256(res_8b_lo, 1); |
| if (w - j > 4) { |
| _mm_storel_epi64((__m128i *)&dst[i * dst_stride + j], res_0); |
| _mm_storel_epi64((__m128i *)&dst[i * dst_stride + j + dst_stride], |
| res_1); |
| } else if (w - j > 2) { |
| xx_storel_32(&dst[i * dst_stride + j], res_0); |
| xx_storel_32(&dst[i * dst_stride + j + dst_stride], res_1); |
| } else { |
| __m128i *const p_0 = (__m128i *)&dst[i * dst_stride + j]; |
| __m128i *const p_1 = |
| (__m128i *)&dst[i * dst_stride + j + dst_stride]; |
| *(uint16_t *)p_0 = (uint16_t)_mm_cvtsi128_si32(res_0); |
| *(uint16_t *)p_1 = (uint16_t)_mm_cvtsi128_si32(res_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]; |
| } |
| } |
| } |
| } |
| |
| void av1_convolve_x_sr_avx2(const uint8_t *src, int src_stride, uint8_t *dst, |
| int dst_stride, int w, int h, |
| const InterpFilterParams *filter_params_x, |
| const int subpel_x_qn, |
| ConvolveParams *conv_params) { |
| const int bits = FILTER_BITS - conv_params->round_0; |
| const __m128i round_shift = _mm_cvtsi32_si128(bits); |
| __m256i round_0_const = |
| _mm256_set1_epi16((1 << (conv_params->round_0 - 1)) >> 1); |
| __m128i round_0_shift = _mm_cvtsi32_si128(conv_params->round_0 - 1); |
| __m256i round_const = _mm256_set1_epi16((1 << bits) >> 1); |
| int i, horiz_tap = SUBPEL_TAPS; |
| |
| assert(bits >= 0); |
| assert((FILTER_BITS - conv_params->round_1) >= 0 || |
| ((conv_params->round_0 + conv_params->round_1) == 2 * FILTER_BITS)); |
| assert(conv_params->round_0 > 0); |
| |
| __m256i coeffs[6], filt[4]; |
| filt[0] = _mm256_load_si256((__m256i const *)(filt_global_avx2)); |
| filt[1] = _mm256_load_si256((__m256i const *)(filt_global_avx2 + 32)); |
| |
| const int16_t *const filter = av1_get_interp_filter_subpel_kernel( |
| filter_params_x, subpel_x_qn & SUBPEL_MASK); |
| if (filter_params_x->taps == 12) { |
| horiz_tap = 12; |
| } else if (!(filter[0] | filter[1] | filter[6] | filter[7])) { |
| horiz_tap = 4; |
| } else if (!(filter[0] | filter[7])) { |
| horiz_tap = 6; |
| } |
| |
| if (horiz_tap == 6) |
| prepare_coeffs_6t_lowbd(filter_params_x, subpel_x_qn, coeffs); |
| else if (horiz_tap == 12) { |
| prepare_coeffs_12taps(filter_params_x, subpel_x_qn, coeffs); |
| } else { |
| prepare_coeffs_lowbd(filter_params_x, subpel_x_qn, coeffs); |
| } |
| |
| // horz_filt as 4 tap |
| if (horiz_tap == 4) { |
| const int fo_horiz = 1; |
| const uint8_t *const src_ptr = src - fo_horiz; |
| if (w <= 8) { |
| for (i = 0; i < h; i += 2) { |
| const __m256i data = _mm256_permute2x128_si256( |
| _mm256_castsi128_si256( |
| _mm_loadu_si128((__m128i *)(&src_ptr[i * src_stride]))), |
| _mm256_castsi128_si256(_mm_loadu_si128( |
| (__m128i *)(&src_ptr[i * src_stride + src_stride]))), |
| 0x20); |
| |
| __m256i res_16b = convolve_lowbd_x_4tap(data, coeffs + 1, filt); |
| |
| res_16b = _mm256_sra_epi16(_mm256_add_epi16(res_16b, round_0_const), |
| round_0_shift); |
| |
| res_16b = _mm256_sra_epi16(_mm256_add_epi16(res_16b, round_const), |
| round_shift); |
| |
| /* rounding code */ |
| // 8 bit conversion and saturation to uint8 |
| __m256i res_8b = _mm256_packus_epi16(res_16b, res_16b); |
| |
| const __m128i res_0 = _mm256_castsi256_si128(res_8b); |
| const __m128i res_1 = _mm256_extracti128_si256(res_8b, 1); |
| |
| if (w > 4) { |
| _mm_storel_epi64((__m128i *)&dst[i * dst_stride], res_0); |
| _mm_storel_epi64((__m128i *)&dst[i * dst_stride + dst_stride], res_1); |
| } else if (w > 2) { |
| xx_storel_32(&dst[i * dst_stride], res_0); |
| xx_storel_32(&dst[i * dst_stride + dst_stride], res_1); |
| } else { |
| __m128i *const p_0 = (__m128i *)&dst[i * dst_stride]; |
| __m128i *const p_1 = (__m128i *)&dst[i * dst_stride + dst_stride]; |
| *(uint16_t *)p_0 = (uint16_t)_mm_cvtsi128_si32(res_0); |
| *(uint16_t *)p_1 = (uint16_t)_mm_cvtsi128_si32(res_1); |
| } |
| } |
| } else { |
| for (i = 0; i < h; ++i) { |
| for (int j = 0; j < w; j += 16) { |
| // 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 8 9 10 11 12 13 14 15 16 17 |
| // 18 19 20 21 22 23 |
| const __m256i data = _mm256_inserti128_si256( |
| _mm256_loadu_si256((__m256i *)&src_ptr[(i * src_stride) + j]), |
| _mm_loadu_si128((__m128i *)&src_ptr[(i * src_stride) + (j + 8)]), |
| 1); |
| |
| __m256i res_16b = convolve_lowbd_x_4tap(data, coeffs + 1, filt); |
| |
| res_16b = _mm256_sra_epi16(_mm256_add_epi16(res_16b, round_0_const), |
| round_0_shift); |
| |
| res_16b = _mm256_sra_epi16(_mm256_add_epi16(res_16b, round_const), |
| round_shift); |
| |
| /* rounding code */ |
| // 8 bit conversion and saturation to uint8 |
| __m256i res_8b = _mm256_packus_epi16(res_16b, res_16b); |
| |
| // Store values into the destination buffer |
| // 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 |
| res_8b = _mm256_permute4x64_epi64(res_8b, 216); |
| __m128i res = _mm256_castsi256_si128(res_8b); |
| _mm_storeu_si128((__m128i *)&dst[i * dst_stride + j], res); |
| } |
| } |
| } |
| } else if (horiz_tap == 6) { |
| const int fo_horiz = horiz_tap / 2 - 1; |
| const uint8_t *const src_ptr = src - fo_horiz; |
| filt[2] = _mm256_load_si256((__m256i const *)(filt_global_avx2 + 32 * 2)); |
| filt[3] = _mm256_load_si256((__m256i const *)(filt_global_avx2 + 32 * 3)); |
| |
| if (w <= 8) { |
| for (i = 0; i < h; i += 2) { |
| const __m256i data = _mm256_permute2x128_si256( |
| _mm256_castsi128_si256( |
| _mm_loadu_si128((__m128i *)(&src_ptr[i * src_stride]))), |
| _mm256_castsi128_si256(_mm_loadu_si128( |
| (__m128i *)(&src_ptr[i * src_stride + src_stride]))), |
| 0x20); |
| |
| __m256i res_16b = convolve_lowbd_x_6tap(data, coeffs, filt); |
| |
| res_16b = _mm256_sra_epi16(_mm256_add_epi16(res_16b, round_0_const), |
| round_0_shift); |
| |
| res_16b = _mm256_sra_epi16(_mm256_add_epi16(res_16b, round_const), |
| round_shift); |
| |
| /* rounding code */ |
| // 8 bit conversion and saturation to uint8 |
| __m256i res_8b = _mm256_packus_epi16(res_16b, res_16b); |
| |
| const __m128i res_0 = _mm256_castsi256_si128(res_8b); |
| const __m128i res_1 = _mm256_extracti128_si256(res_8b, 1); |
| if (w > 4) { |
| _mm_storel_epi64((__m128i *)&dst[i * dst_stride], res_0); |
| _mm_storel_epi64((__m128i *)&dst[i * dst_stride + dst_stride], res_1); |
| } else if (w > 2) { |
| xx_storel_32(&dst[i * dst_stride], res_0); |
| xx_storel_32(&dst[i * dst_stride + dst_stride], res_1); |
| } else { |
| __m128i *const p_0 = (__m128i *)&dst[i * dst_stride]; |
| __m128i *const p_1 = (__m128i *)&dst[i * dst_stride + dst_stride]; |
| *(uint16_t *)p_0 = _mm_cvtsi128_si32(res_0); |
| *(uint16_t *)p_1 = _mm_cvtsi128_si32(res_1); |
| } |
| } |
| } else { |
| for (i = 0; i < h; ++i) { |
| for (int j = 0; j < w; j += 16) { |
| // 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 8 9 10 11 12 13 14 15 16 17 |
| // 18 19 20 21 22 23 |
| const __m256i data = _mm256_inserti128_si256( |
| _mm256_loadu_si256((__m256i *)&src_ptr[(i * src_stride) + j]), |
| _mm_loadu_si128((__m128i *)&src_ptr[(i * src_stride) + (j + 8)]), |
| 1); |
| |
| __m256i res_16b = convolve_lowbd_x_6tap(data, coeffs, filt); |
| |
| res_16b = _mm256_sra_epi16(_mm256_add_epi16(res_16b, round_0_const), |
| round_0_shift); |
| |
| res_16b = _mm256_sra_epi16(_mm256_add_epi16(res_16b, round_const), |
| round_shift); |
| |
| /* rounding code */ |
| // 8 bit conversion and saturation to uint8 |
| __m256i res_8b = _mm256_packus_epi16(res_16b, res_16b); |
| |
| // Store values into the destination buffer |
| // 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 |
| res_8b = _mm256_permute4x64_epi64(res_8b, 216); |
| __m128i res = _mm256_castsi256_si128(res_8b); |
| _mm_storeu_si128((__m128i *)&dst[i * dst_stride + j], res); |
| } |
| } |
| } |
| } else if (horiz_tap == 12) { // horiz_tap == 12 |
| const int fo_horiz = filter_params_x->taps / 2 - 1; |
| const uint8_t *const src_ptr = src - fo_horiz; |
| const __m256i v_zero = _mm256_setzero_si256(); |
| round_0_const = _mm256_set1_epi32((1 << (conv_params->round_0)) >> 1); |
| round_const = _mm256_set1_epi32((1 << bits) >> 1); |
| round_0_shift = _mm_cvtsi32_si128(conv_params->round_0); |
| __m256i s[6]; |
| |
| if (w <= 4) { |
| for (i = 0; i < h; i += 2) { |
| const __m256i data = _mm256_permute2x128_si256( |
| _mm256_castsi128_si256( |
| _mm_loadu_si128((__m128i *)(&src_ptr[i * src_stride]))), |
| _mm256_castsi128_si256(_mm_loadu_si128( |
| (__m128i *)(&src_ptr[i * src_stride + src_stride]))), |
| 0x20); |
| // row0 0..7 row1 0..7 |
| const __m256i s_16l = _mm256_unpacklo_epi8(data, v_zero); |
| // row0 8..F row1 8..F |
| const __m256i s_16h = _mm256_unpackhi_epi8(data, v_zero); |
| |
| // row0 00 00 01 01 .. 03 03 row1 00 00 01 01 .. 03 03 |
| const __m256i s_ll = _mm256_unpacklo_epi16(s_16l, s_16l); |
| // row0 04 04 .. 07 07 row1 04 04 .. 07 07 |
| const __m256i s_lh = _mm256_unpackhi_epi16(s_16l, s_16l); |
| |
| // row0 08 08 09 09 .. 0B 0B row1 08 08 09 09 .. 0B 0B |
| const __m256i s_hl = _mm256_unpacklo_epi16(s_16h, s_16h); |
| // row0 0C 0C .. 0F 0F row1 0C 0C .. 0F 0F |
| const __m256i s_hh = _mm256_unpackhi_epi16(s_16h, s_16h); |
| |
| // 00 01 01 02 02 03 03 04 10 11 11 12 12 13 13 14 |
| s[0] = _mm256_alignr_epi8(s_lh, s_ll, 2); |
| // 02 03 03 04 04 05 05 06 12 13 13 14 14 15 15 16 |
| s[1] = _mm256_alignr_epi8(s_lh, s_ll, 10); |
| // 04 05 05 06 06 07 07 08 14 15 15 16 16 17 17 18 |
| s[2] = _mm256_alignr_epi8(s_hl, s_lh, 2); |
| // 06 07 07 08 08 09 09 0A 16 17 17 18 18 19 19 1A |
| s[3] = _mm256_alignr_epi8(s_hl, s_lh, 10); |
| // 08 09 09 0A 0A 0B 0B 0C 18 19 19 1A 1A 1B 1B 1C |
| s[4] = _mm256_alignr_epi8(s_hh, s_hl, 2); |
| // 0A 0B 0B 0C 0C 0D 0D 0E 1A 1B 1B 1C 1C 1D 1D 1E |
| s[5] = _mm256_alignr_epi8(s_hh, s_hl, 10); |
| |
| const __m256i res_lo = convolve_12taps(s, coeffs); |
| |
| __m256i res_32b_lo = _mm256_sra_epi32( |
| _mm256_add_epi32(res_lo, round_0_const), round_0_shift); |
| |
| // 00 01 02 03 10 12 13 14 |
| res_32b_lo = _mm256_sra_epi32(_mm256_add_epi32(res_32b_lo, round_const), |
| round_shift); |
| // 8 bit conversion and saturation to uint8 |
| // 00 01 02 03 00 01 02 03 10 11 12 13 10 11 12 13 |
| __m256i res_16b_lo = _mm256_packs_epi32(res_32b_lo, res_32b_lo); |
| // 00 01 02 03 00 01 02 03 00 01 02 03 00 01 02 03 |
| // 10 11 12 13 10 11 12 13 10 11 12 13 10 11 12 13 |
| __m256i res_8b_lo = _mm256_packus_epi16(res_16b_lo, res_16b_lo); |
| |
| // 00 01 02 03 00 01 02 03 00 01 02 03 00 01 02 03 |
| const __m128i res_0 = _mm256_extracti128_si256(res_8b_lo, 0); |
| // 10 11 12 13 10 11 12 13 10 11 12 13 10 11 12 13 |
| const __m128i res_1 = _mm256_extracti128_si256(res_8b_lo, 1); |
| if (w > 2) { |
| // 00 01 02 03 |
| *(int *)&dst[i * dst_stride] = _mm_cvtsi128_si32(res_0); |
| // 10 11 12 13 |
| *(int *)&dst[i * dst_stride + dst_stride] = _mm_cvtsi128_si32(res_1); |
| } else { |
| // 00 01 |
| *(uint16_t *)&dst[i * dst_stride] = |
| (uint16_t)_mm_cvtsi128_si32(res_0); |
| // 10 11 |
| *(uint16_t *)&dst[i * dst_stride + dst_stride] = |
| (uint16_t)_mm_cvtsi128_si32(res_1); |
| } |
| } |
| } else { |
| for (i = 0; i < h; i++) { |
| for (int j = 0; j < w; j += 8) { |
| const __m256i data = _mm256_permute2x128_si256( |
| _mm256_castsi128_si256( |
| _mm_loadu_si128((__m128i *)(&src_ptr[i * src_stride + j]))), |
| _mm256_castsi128_si256(_mm_loadu_si128( |
| (__m128i *)(&src_ptr[i * src_stride + j + 4]))), |
| 0x20); |
| // row0 0..7 4..B |
| const __m256i s_16l = _mm256_unpacklo_epi8(data, v_zero); |
| // row0 8..F C..13 |
| const __m256i s_16h = _mm256_unpackhi_epi8(data, v_zero); |
| |
| // row0 00 00 01 01 .. 03 03 04 04 05 05 .. 07 07 |
| const __m256i s_ll = _mm256_unpacklo_epi16(s_16l, s_16l); |
| // row0 04 04 .. 07 07 08 08 .. 0B 0B |
| const __m256i s_lh = _mm256_unpackhi_epi16(s_16l, s_16l); |
| |
| // row0 08 08 09 09 .. 0B 0B 0C 0C 0D 0D .. 0F 0F |
| const __m256i s_hl = _mm256_unpacklo_epi16(s_16h, s_16h); |
| // row0 0C 0C 0D 0D .. 0F 0F 10 10 11 11 .. 13 13 |
| const __m256i s_hh = _mm256_unpackhi_epi16(s_16h, s_16h); |
| |
| s[0] = _mm256_alignr_epi8(s_lh, s_ll, 2); |
| s[1] = _mm256_alignr_epi8(s_lh, s_ll, 10); |
| s[2] = _mm256_alignr_epi8(s_hl, s_lh, 2); |
| s[3] = _mm256_alignr_epi8(s_hl, s_lh, 10); |
| s[4] = _mm256_alignr_epi8(s_hh, s_hl, 2); |
| s[5] = _mm256_alignr_epi8(s_hh, s_hl, 10); |
| |
| const __m256i res_lo = convolve_12taps(s, coeffs); |
| |
| __m256i res_32b_lo = _mm256_sra_epi32( |
| _mm256_add_epi32(res_lo, round_0_const), round_0_shift); |
| |
| res_32b_lo = _mm256_sra_epi32( |
| _mm256_add_epi32(res_32b_lo, round_const), round_shift); |
| // 8 bit conversion and saturation to uint8 |
| __m256i res_16b_lo = _mm256_packs_epi32(res_32b_lo, res_32b_lo); |
| __m256i res_8b_lo = _mm256_packus_epi16(res_16b_lo, res_16b_lo); |
| const __m128i res_0 = _mm256_extracti128_si256(res_8b_lo, 0); |
| const __m128i res_1 = _mm256_extracti128_si256(res_8b_lo, 1); |
| *(int *)&dst[i * dst_stride + j] = _mm_cvtsi128_si32(res_0); |
| *(int *)&dst[i * dst_stride + j + 4] = _mm_cvtsi128_si32(res_1); |
| } |
| } |
| } |
| } else { |
| const int fo_horiz = filter_params_x->taps / 2 - 1; |
| const uint8_t *const src_ptr = src - fo_horiz; |
| filt[2] = _mm256_load_si256((__m256i const *)(filt_global_avx2 + 32 * 2)); |
| filt[3] = _mm256_load_si256((__m256i const *)(filt_global_avx2 + 32 * 3)); |
| |
| if (w <= 8) { |
| for (i = 0; i < h; i += 2) { |
| const __m256i data = _mm256_permute2x128_si256( |
| _mm256_castsi128_si256( |
| _mm_loadu_si128((__m128i *)(&src_ptr[i * src_stride]))), |
| _mm256_castsi128_si256(_mm_loadu_si128( |
| (__m128i *)(&src_ptr[i * src_stride + src_stride]))), |
| 0x20); |
| |
| __m256i res_16b = convolve_lowbd_x(data, coeffs, filt); |
| |
| res_16b = _mm256_sra_epi16(_mm256_add_epi16(res_16b, round_0_const), |
| round_0_shift); |
| |
| res_16b = _mm256_sra_epi16(_mm256_add_epi16(res_16b, round_const), |
| round_shift); |
| |
| /* rounding code */ |
| // 8 bit conversion and saturation to uint8 |
| __m256i res_8b = _mm256_packus_epi16(res_16b, res_16b); |
| |
| const __m128i res_0 = _mm256_castsi256_si128(res_8b); |
| const __m128i res_1 = _mm256_extracti128_si256(res_8b, 1); |
| if (w > 4) { |
| _mm_storel_epi64((__m128i *)&dst[i * dst_stride], res_0); |
| _mm_storel_epi64((__m128i *)&dst[i * dst_stride + dst_stride], res_1); |
| } else if (w > 2) { |
| xx_storel_32(&dst[i * dst_stride], res_0); |
| xx_storel_32(&dst[i * dst_stride + dst_stride], res_1); |
| } else { |
| __m128i *const p_0 = (__m128i *)&dst[i * dst_stride]; |
| __m128i *const p_1 = (__m128i *)&dst[i * dst_stride + dst_stride]; |
| *(uint16_t *)p_0 = (uint16_t)_mm_cvtsi128_si32(res_0); |
| *(uint16_t *)p_1 = (uint16_t)_mm_cvtsi128_si32(res_1); |
| } |
| } |
| } else { |
| for (i = 0; i < h; ++i) { |
| for (int j = 0; j < w; j += 16) { |
| // 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 8 9 10 11 12 13 14 15 16 17 |
| // 18 19 20 21 22 23 |
| const __m256i data = _mm256_inserti128_si256( |
| _mm256_loadu_si256((__m256i *)&src_ptr[(i * src_stride) + j]), |
| _mm_loadu_si128((__m128i *)&src_ptr[(i * src_stride) + (j + 8)]), |
| 1); |
| |
| __m256i res_16b = convolve_lowbd_x(data, coeffs, filt); |
| |
| res_16b = _mm256_sra_epi16(_mm256_add_epi16(res_16b, round_0_const), |
| round_0_shift); |
| |
| res_16b = _mm256_sra_epi16(_mm256_add_epi16(res_16b, round_const), |
| round_shift); |
| |
| /* rounding code */ |
| // 8 bit conversion and saturation to uint8 |
| __m256i res_8b = _mm256_packus_epi16(res_16b, res_16b); |
| |
| // Store values into the destination buffer |
| // 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 |
| res_8b = _mm256_permute4x64_epi64(res_8b, 216); |
| __m128i res = _mm256_castsi256_si128(res_8b); |
| _mm_storeu_si128((__m128i *)&dst[i * dst_stride + j], res); |
| } |
| } |
| } |
| } |
| } |
