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Diffstat (limited to '')
| -rw-r--r-- | third_party/aom/av1/common/x86/convolve_avx2.c | 916 |
1 files changed, 916 insertions, 0 deletions
diff --git a/third_party/aom/av1/common/x86/convolve_avx2.c b/third_party/aom/av1/common/x86/convolve_avx2.c new file mode 100644 index 0000000000..3862bbeac1 --- /dev/null +++ b/third_party/aom/av1/common/x86/convolve_avx2.c @@ -0,0 +1,916 @@ +/* + * 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 "third_party/SVT-AV1/convolve_avx2.h" + +#include "aom_dsp/aom_dsp_common.h" +#include "aom_dsp/x86/convolve_avx2.h" +#include "aom_dsp/x86/convolve_common_intrin.h" +#include "aom_dsp/x86/synonyms.h" + +static AOM_INLINE void av1_convolve_y_sr_general_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) { + // 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]; + + int i, vert_tap = get_filter_tap(filter_params_y, subpel_y_qn); + + 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 (int 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 (int 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 (int 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 (int 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_y_sr_avx2(const uint8_t *src, int32_t src_stride, + uint8_t *dst, int32_t dst_stride, int32_t w, + int32_t h, + const InterpFilterParams *filter_params_y, + const int32_t subpel_y_q4) { + const int vert_tap = get_filter_tap(filter_params_y, subpel_y_q4); + + if (vert_tap == 12) { + av1_convolve_y_sr_general_avx2(src, src_stride, dst, dst_stride, w, h, + filter_params_y, subpel_y_q4); + } else { + av1_convolve_y_sr_specialized_avx2(src, src_stride, dst, dst_stride, w, h, + filter_params_y, subpel_y_q4); + } +} + +static AOM_INLINE void av1_convolve_x_sr_general_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 = get_filter_tap(filter_params_x, subpel_x_qn); + + 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)); + + 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_16lo = _mm256_unpacklo_epi8(data, v_zero); + // row0 8..F row1 8..F + const __m256i s_16hi = _mm256_unpackhi_epi8(data, v_zero); + + // row0 00 00 01 01 .. 03 03 row1 00 00 01 01 .. 03 03 + const __m256i s_lolo = _mm256_unpacklo_epi16(s_16lo, s_16lo); + // row0 04 04 .. 07 07 row1 04 04 .. 07 07 + const __m256i s_lohi = _mm256_unpackhi_epi16(s_16lo, s_16lo); + + // row0 08 08 09 09 .. 0B 0B row1 08 08 09 09 .. 0B 0B + const __m256i s_hilo = _mm256_unpacklo_epi16(s_16hi, s_16hi); + // row0 0C 0C .. 0F 0F row1 0C 0C .. 0F 0F + const __m256i s_hihi = _mm256_unpackhi_epi16(s_16hi, s_16hi); + + // 00 01 01 02 02 03 03 04 10 11 11 12 12 13 13 14 + s[0] = _mm256_alignr_epi8(s_lohi, s_lolo, 2); + // 02 03 03 04 04 05 05 06 12 13 13 14 14 15 15 16 + s[1] = _mm256_alignr_epi8(s_lohi, s_lolo, 10); + // 04 05 05 06 06 07 07 08 14 15 15 16 16 17 17 18 + s[2] = _mm256_alignr_epi8(s_hilo, s_lohi, 2); + // 06 07 07 08 08 09 09 0A 16 17 17 18 18 19 19 1A + s[3] = _mm256_alignr_epi8(s_hilo, s_lohi, 10); + // 08 09 09 0A 0A 0B 0B 0C 18 19 19 1A 1A 1B 1B 1C + s[4] = _mm256_alignr_epi8(s_hihi, s_hilo, 2); + // 0A 0B 0B 0C 0C 0D 0D 0E 1A 1B 1B 1C 1C 1D 1D 1E + s[5] = _mm256_alignr_epi8(s_hihi, s_hilo, 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_16lo = _mm256_unpacklo_epi8(data, v_zero); + // row0 8..F C..13 + const __m256i s_16hi = _mm256_unpackhi_epi8(data, v_zero); + + // row0 00 00 01 01 .. 03 03 04 04 05 05 .. 07 07 + const __m256i s_lolo = _mm256_unpacklo_epi16(s_16lo, s_16lo); + // row0 04 04 .. 07 07 08 08 .. 0B 0B + const __m256i s_lohi = _mm256_unpackhi_epi16(s_16lo, s_16lo); + + // row0 08 08 09 09 .. 0B 0B 0C 0C 0D 0D .. 0F 0F + const __m256i s_hilo = _mm256_unpacklo_epi16(s_16hi, s_16hi); + // row0 0C 0C 0D 0D .. 0F 0F 10 10 11 11 .. 13 13 + const __m256i s_hihi = _mm256_unpackhi_epi16(s_16hi, s_16hi); + + s[0] = _mm256_alignr_epi8(s_lohi, s_lolo, 2); + s[1] = _mm256_alignr_epi8(s_lohi, s_lolo, 10); + s[2] = _mm256_alignr_epi8(s_hilo, s_lohi, 2); + s[3] = _mm256_alignr_epi8(s_hilo, s_lohi, 10); + s[4] = _mm256_alignr_epi8(s_hihi, s_hilo, 2); + s[5] = _mm256_alignr_epi8(s_hihi, s_hilo, 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); + } + } + } + } +} + +void av1_convolve_x_sr_avx2(const uint8_t *src, int32_t src_stride, + uint8_t *dst, int32_t dst_stride, int32_t w, + int32_t h, + const InterpFilterParams *filter_params_x, + const int32_t subpel_x_q4, + ConvolveParams *conv_params) { + const int horz_tap = get_filter_tap(filter_params_x, subpel_x_q4); + + if (horz_tap == 12) { + av1_convolve_x_sr_general_avx2(src, src_stride, dst, dst_stride, w, h, + filter_params_x, subpel_x_q4, conv_params); + } else { + av1_convolve_x_sr_specialized_avx2(src, src_stride, dst, dst_stride, w, h, + filter_params_x, subpel_x_q4, + conv_params); + } +} |