| /* |
| * 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 <string.h> |
| |
| #include "config/aom_dsp_rtcd.h" |
| |
| #include "aom_dsp/x86/convolve.h" |
| #include "aom_dsp/x86/convolve_avx2.h" |
| #include "aom_dsp/x86/synonyms.h" |
| |
| // ----------------------------------------------------------------------------- |
| // Copy and average |
| |
| static const uint8_t ip_shuffle_f2f3[32] = { 0, 1, 2, 3, 2, 3, 4, 5, 4, 5, 6, |
| 7, 6, 7, 8, 9, 0, 1, 2, 3, 2, 3, |
| 4, 5, 4, 5, 6, 7, 6, 7, 8, 9 }; |
| static const uint8_t ip_shuffle_f4f5[32] = { 4, 5, 6, 7, 6, 7, 8, 9, |
| 8, 9, 10, 11, 10, 11, 12, 13, |
| 4, 5, 6, 7, 6, 7, 8, 9, |
| 8, 9, 10, 11, 10, 11, 12, 13 }; |
| |
| void aom_highbd_convolve_copy_avx2(const uint8_t *src8, ptrdiff_t src_stride, |
| uint8_t *dst8, ptrdiff_t dst_stride, |
| const int16_t *filter_x, int filter_x_stride, |
| const int16_t *filter_y, int filter_y_stride, |
| int width, int h, int bd) { |
| const uint16_t *src = CONVERT_TO_SHORTPTR(src8); |
| uint16_t *dst = CONVERT_TO_SHORTPTR(dst8); |
| (void)filter_x; |
| (void)filter_y; |
| (void)filter_x_stride; |
| (void)filter_y_stride; |
| (void)bd; |
| |
| assert(width % 4 == 0); |
| if (width > 32) { // width = 64 |
| do { |
| const __m256i p0 = _mm256_loadu_si256((const __m256i *)src); |
| const __m256i p1 = _mm256_loadu_si256((const __m256i *)(src + 16)); |
| const __m256i p2 = _mm256_loadu_si256((const __m256i *)(src + 32)); |
| const __m256i p3 = _mm256_loadu_si256((const __m256i *)(src + 48)); |
| src += src_stride; |
| _mm256_storeu_si256((__m256i *)dst, p0); |
| _mm256_storeu_si256((__m256i *)(dst + 16), p1); |
| _mm256_storeu_si256((__m256i *)(dst + 32), p2); |
| _mm256_storeu_si256((__m256i *)(dst + 48), p3); |
| dst += dst_stride; |
| h--; |
| } while (h > 0); |
| } else if (width > 16) { // width = 32 |
| do { |
| const __m256i p0 = _mm256_loadu_si256((const __m256i *)src); |
| const __m256i p1 = _mm256_loadu_si256((const __m256i *)(src + 16)); |
| src += src_stride; |
| _mm256_storeu_si256((__m256i *)dst, p0); |
| _mm256_storeu_si256((__m256i *)(dst + 16), p1); |
| dst += dst_stride; |
| h--; |
| } while (h > 0); |
| } else if (width > 8) { // width = 16 |
| __m256i p0, p1; |
| do { |
| p0 = _mm256_loadu_si256((const __m256i *)src); |
| src += src_stride; |
| p1 = _mm256_loadu_si256((const __m256i *)src); |
| src += src_stride; |
| |
| _mm256_storeu_si256((__m256i *)dst, p0); |
| dst += dst_stride; |
| _mm256_storeu_si256((__m256i *)dst, p1); |
| dst += dst_stride; |
| h -= 2; |
| } while (h > 0); |
| } else if (width > 4) { // width = 8 |
| __m128i p0, p1; |
| do { |
| p0 = _mm_loadu_si128((const __m128i *)src); |
| src += src_stride; |
| p1 = _mm_loadu_si128((const __m128i *)src); |
| src += src_stride; |
| |
| _mm_storeu_si128((__m128i *)dst, p0); |
| dst += dst_stride; |
| _mm_storeu_si128((__m128i *)dst, p1); |
| dst += dst_stride; |
| h -= 2; |
| } while (h > 0); |
| } else { // width = 4 |
| __m128i p0, p1; |
| do { |
| p0 = _mm_loadl_epi64((const __m128i *)src); |
| src += src_stride; |
| p1 = _mm_loadl_epi64((const __m128i *)src); |
| src += src_stride; |
| |
| _mm_storel_epi64((__m128i *)dst, p0); |
| dst += dst_stride; |
| _mm_storel_epi64((__m128i *)dst, p1); |
| dst += dst_stride; |
| h -= 2; |
| } while (h > 0); |
| } |
| } |
| |
| void av1_highbd_convolve_y_sr_avx2(const uint16_t *src, int src_stride, |
| uint16_t *dst, int dst_stride, 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) { |
| int i, j; |
| const int fo_vert = filter_params_y->taps / 2 - 1; |
| const uint16_t *const src_ptr = src - fo_vert * src_stride; |
| (void)filter_params_x; |
| (void)subpel_x_qn; |
| (void)conv_params; |
| |
| assert(conv_params->round_0 <= FILTER_BITS); |
| assert(((conv_params->round_0 + conv_params->round_1) <= (FILTER_BITS + 1)) || |
| ((conv_params->round_0 + conv_params->round_1) == (2 * FILTER_BITS))); |
| |
| __m256i s[8], coeffs_y[4]; |
| |
| const int bits = FILTER_BITS; |
| |
| const __m128i round_shift_bits = _mm_cvtsi32_si128(bits); |
| const __m256i round_const_bits = _mm256_set1_epi32((1 << bits) >> 1); |
| const __m256i clip_pixel = |
| _mm256_set1_epi16(bd == 10 ? 1023 : (bd == 12 ? 4095 : 255)); |
| const __m256i zero = _mm256_setzero_si256(); |
| |
| prepare_coeffs(filter_params_y, subpel_y_qn, coeffs_y); |
| |
| for (j = 0; j < w; j += 8) { |
| const uint16_t *data = &src_ptr[j]; |
| /* Vertical filter */ |
| { |
| __m256i src6; |
| __m256i s01 = _mm256_permute2x128_si256( |
| _mm256_castsi128_si256( |
| _mm_loadu_si128((__m128i *)(data + 0 * src_stride))), |
| _mm256_castsi128_si256( |
| _mm_loadu_si128((__m128i *)(data + 1 * src_stride))), |
| 0x20); |
| __m256i s12 = _mm256_permute2x128_si256( |
| _mm256_castsi128_si256( |
| _mm_loadu_si128((__m128i *)(data + 1 * src_stride))), |
| _mm256_castsi128_si256( |
| _mm_loadu_si128((__m128i *)(data + 2 * src_stride))), |
| 0x20); |
| __m256i s23 = _mm256_permute2x128_si256( |
| _mm256_castsi128_si256( |
| _mm_loadu_si128((__m128i *)(data + 2 * src_stride))), |
| _mm256_castsi128_si256( |
| _mm_loadu_si128((__m128i *)(data + 3 * src_stride))), |
| 0x20); |
| __m256i s34 = _mm256_permute2x128_si256( |
| _mm256_castsi128_si256( |
| _mm_loadu_si128((__m128i *)(data + 3 * src_stride))), |
| _mm256_castsi128_si256( |
| _mm_loadu_si128((__m128i *)(data + 4 * src_stride))), |
| 0x20); |
| __m256i s45 = _mm256_permute2x128_si256( |
| _mm256_castsi128_si256( |
| _mm_loadu_si128((__m128i *)(data + 4 * src_stride))), |
| _mm256_castsi128_si256( |
| _mm_loadu_si128((__m128i *)(data + 5 * src_stride))), |
| 0x20); |
| src6 = _mm256_castsi128_si256( |
| _mm_loadu_si128((__m128i *)(data + 6 * src_stride))); |
| __m256i s56 = _mm256_permute2x128_si256( |
| _mm256_castsi128_si256( |
| _mm_loadu_si128((__m128i *)(data + 5 * src_stride))), |
| src6, 0x20); |
| |
| s[0] = _mm256_unpacklo_epi16(s01, s12); |
| s[1] = _mm256_unpacklo_epi16(s23, s34); |
| s[2] = _mm256_unpacklo_epi16(s45, s56); |
| |
| s[4] = _mm256_unpackhi_epi16(s01, s12); |
| s[5] = _mm256_unpackhi_epi16(s23, s34); |
| s[6] = _mm256_unpackhi_epi16(s45, s56); |
| |
| for (i = 0; i < h; i += 2) { |
| data = &src_ptr[i * src_stride + j]; |
| |
| const __m256i s67 = _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 s78 = _mm256_permute2x128_si256( |
| _mm256_castsi128_si256( |
| _mm_loadu_si128((__m128i *)(data + 7 * src_stride))), |
| src6, 0x20); |
| |
| s[3] = _mm256_unpacklo_epi16(s67, s78); |
| s[7] = _mm256_unpackhi_epi16(s67, s78); |
| |
| const __m256i res_a = convolve(s, coeffs_y); |
| |
| __m256i res_a_round = _mm256_sra_epi32( |
| _mm256_add_epi32(res_a, round_const_bits), round_shift_bits); |
| |
| if (w - j > 4) { |
| const __m256i res_b = convolve(s + 4, coeffs_y); |
| __m256i res_b_round = _mm256_sra_epi32( |
| _mm256_add_epi32(res_b, round_const_bits), round_shift_bits); |
| |
| __m256i res_16bit = _mm256_packs_epi32(res_a_round, res_b_round); |
| res_16bit = _mm256_min_epi16(res_16bit, clip_pixel); |
| res_16bit = _mm256_max_epi16(res_16bit, zero); |
| |
| _mm_storeu_si128((__m128i *)&dst[i * dst_stride + j], |
| _mm256_castsi256_si128(res_16bit)); |
| _mm_storeu_si128((__m128i *)&dst[i * dst_stride + j + dst_stride], |
| _mm256_extracti128_si256(res_16bit, 1)); |
| } else if (w == 4) { |
| res_a_round = _mm256_packs_epi32(res_a_round, res_a_round); |
| res_a_round = _mm256_min_epi16(res_a_round, clip_pixel); |
| res_a_round = _mm256_max_epi16(res_a_round, zero); |
| |
| _mm_storel_epi64((__m128i *)&dst[i * dst_stride + j], |
| _mm256_castsi256_si128(res_a_round)); |
| _mm_storel_epi64((__m128i *)&dst[i * dst_stride + j + dst_stride], |
| _mm256_extracti128_si256(res_a_round, 1)); |
| } else { |
| res_a_round = _mm256_packs_epi32(res_a_round, res_a_round); |
| res_a_round = _mm256_min_epi16(res_a_round, clip_pixel); |
| res_a_round = _mm256_max_epi16(res_a_round, zero); |
| |
| xx_storel_32((__m128i *)&dst[i * dst_stride + j], |
| _mm256_castsi256_si128(res_a_round)); |
| xx_storel_32((__m128i *)&dst[i * dst_stride + j + dst_stride], |
| _mm256_extracti128_si256(res_a_round, 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_highbd_convolve_x_sr_avx2(const uint16_t *src, int src_stride, |
| uint16_t *dst, int dst_stride, 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) { |
| int i, j; |
| const int fo_horiz = filter_params_x->taps / 2 - 1; |
| const uint16_t *const src_ptr = src - fo_horiz; |
| (void)subpel_y_qn; |
| (void)filter_params_y; |
| |
| // 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); |
| |
| __m256i s[4], coeffs_x[4]; |
| |
| const __m256i round_const_x = |
| _mm256_set1_epi32(((1 << conv_params->round_0) >> 1)); |
| const __m128i round_shift_x = _mm_cvtsi32_si128(conv_params->round_0); |
| |
| const int bits = FILTER_BITS - conv_params->round_0; |
| const __m128i round_shift_bits = _mm_cvtsi32_si128(bits); |
| const __m256i round_const_bits = _mm256_set1_epi32((1 << bits) >> 1); |
| const __m256i clip_pixel = |
| _mm256_set1_epi16(bd == 10 ? 1023 : (bd == 12 ? 4095 : 255)); |
| const __m256i zero = _mm256_setzero_si256(); |
| |
| assert(bits >= 0); |
| assert((FILTER_BITS - conv_params->round_1) >= 0 || |
| ((conv_params->round_0 + conv_params->round_1) == 2 * FILTER_BITS)); |
| |
| prepare_coeffs(filter_params_x, subpel_x_qn, coeffs_x); |
| |
| for (j = 0; j < w; j += 8) { |
| /* Horizontal filter */ |
| for (i = 0; i < h; i += 2) { |
| const __m256i row0 = |
| _mm256_loadu_si256((__m256i *)&src_ptr[i * src_stride + j]); |
| __m256i row1 = |
| _mm256_loadu_si256((__m256i *)&src_ptr[(i + 1) * src_stride + j]); |
| |
| const __m256i r0 = _mm256_permute2x128_si256(row0, row1, 0x20); |
| const __m256i r1 = _mm256_permute2x128_si256(row0, row1, 0x31); |
| |
| // even pixels |
| s[0] = _mm256_alignr_epi8(r1, r0, 0); |
| s[1] = _mm256_alignr_epi8(r1, r0, 4); |
| s[2] = _mm256_alignr_epi8(r1, r0, 8); |
| s[3] = _mm256_alignr_epi8(r1, r0, 12); |
| |
| __m256i res_even = convolve(s, coeffs_x); |
| res_even = _mm256_sra_epi32(_mm256_add_epi32(res_even, round_const_x), |
| round_shift_x); |
| |
| // odd pixels |
| s[0] = _mm256_alignr_epi8(r1, r0, 2); |
| s[1] = _mm256_alignr_epi8(r1, r0, 6); |
| s[2] = _mm256_alignr_epi8(r1, r0, 10); |
| s[3] = _mm256_alignr_epi8(r1, r0, 14); |
| |
| __m256i res_odd = convolve(s, coeffs_x); |
| res_odd = _mm256_sra_epi32(_mm256_add_epi32(res_odd, round_const_x), |
| round_shift_x); |
| |
| res_even = _mm256_sra_epi32(_mm256_add_epi32(res_even, round_const_bits), |
| round_shift_bits); |
| res_odd = _mm256_sra_epi32(_mm256_add_epi32(res_odd, round_const_bits), |
| round_shift_bits); |
| |
| __m256i res_even1 = _mm256_packs_epi32(res_even, res_even); |
| __m256i res_odd1 = _mm256_packs_epi32(res_odd, res_odd); |
| |
| __m256i res = _mm256_unpacklo_epi16(res_even1, res_odd1); |
| res = _mm256_min_epi16(res, clip_pixel); |
| res = _mm256_max_epi16(res, zero); |
| |
| if (w - j > 4) { |
| _mm_storeu_si128((__m128i *)&dst[i * dst_stride + j], |
| _mm256_castsi256_si128(res)); |
| _mm_storeu_si128((__m128i *)&dst[i * dst_stride + j + dst_stride], |
| _mm256_extracti128_si256(res, 1)); |
| } else if (w == 4) { |
| _mm_storel_epi64((__m128i *)&dst[i * dst_stride + j], |
| _mm256_castsi256_si128(res)); |
| _mm_storel_epi64((__m128i *)&dst[i * dst_stride + j + dst_stride], |
| _mm256_extracti128_si256(res, 1)); |
| } else { |
| xx_storel_32((__m128i *)&dst[i * dst_stride + j], |
| _mm256_castsi256_si128(res)); |
| xx_storel_32((__m128i *)&dst[i * dst_stride + j + dst_stride], |
| _mm256_extracti128_si256(res, 1)); |
| } |
| } |
| } |
| } |
| |
| #define CONV8_ROUNDING_BITS (7) |
| |
| // ----------------------------------------------------------------------------- |
| // Horizontal and vertical filtering |
| |
| static const uint8_t signal_pattern_0[32] = { 0, 1, 2, 3, 2, 3, 4, 5, 4, 5, 6, |
| 7, 6, 7, 8, 9, 0, 1, 2, 3, 2, 3, |
| 4, 5, 4, 5, 6, 7, 6, 7, 8, 9 }; |
| |
| static const uint8_t signal_pattern_1[32] = { 4, 5, 6, 7, 6, 7, 8, 9, |
| 8, 9, 10, 11, 10, 11, 12, 13, |
| 4, 5, 6, 7, 6, 7, 8, 9, |
| 8, 9, 10, 11, 10, 11, 12, 13 }; |
| |
| static const uint8_t signal_pattern_2[32] = { 6, 7, 8, 9, 8, 9, 10, 11, |
| 10, 11, 12, 13, 12, 13, 14, 15, |
| 6, 7, 8, 9, 8, 9, 10, 11, |
| 10, 11, 12, 13, 12, 13, 14, 15 }; |
| |
| static const uint32_t signal_index[8] = { 2, 3, 4, 5, 2, 3, 4, 5 }; |
| |
| // ----------------------------------------------------------------------------- |
| // Horizontal Filtering |
| |
| static INLINE void pack_pixels(const __m256i *s, __m256i *p /*p[4]*/) { |
| const __m256i idx = _mm256_loadu_si256((const __m256i *)signal_index); |
| const __m256i sf0 = _mm256_loadu_si256((const __m256i *)signal_pattern_0); |
| const __m256i sf1 = _mm256_loadu_si256((const __m256i *)signal_pattern_1); |
| const __m256i c = _mm256_permutevar8x32_epi32(*s, idx); |
| |
| p[0] = _mm256_shuffle_epi8(*s, sf0); // x0x6 |
| p[1] = _mm256_shuffle_epi8(*s, sf1); // x1x7 |
| p[2] = _mm256_shuffle_epi8(c, sf0); // x2x4 |
| p[3] = _mm256_shuffle_epi8(c, sf1); // x3x5 |
| } |
| |
| // Note: |
| // Shared by 8x2 and 16x1 block |
| static INLINE void pack_16_pixels(const __m256i *s0, const __m256i *s1, |
| __m256i *x /*x[8]*/) { |
| __m256i pp[8]; |
| pack_pixels(s0, pp); |
| pack_pixels(s1, &pp[4]); |
| x[0] = _mm256_permute2x128_si256(pp[0], pp[4], 0x20); |
| x[1] = _mm256_permute2x128_si256(pp[1], pp[5], 0x20); |
| x[2] = _mm256_permute2x128_si256(pp[2], pp[6], 0x20); |
| x[3] = _mm256_permute2x128_si256(pp[3], pp[7], 0x20); |
| x[4] = x[2]; |
| x[5] = x[3]; |
| x[6] = _mm256_permute2x128_si256(pp[0], pp[4], 0x31); |
| x[7] = _mm256_permute2x128_si256(pp[1], pp[5], 0x31); |
| } |
| |
| static INLINE void pack_8x1_pixels(const uint16_t *src, __m256i *x) { |
| __m256i pp[8]; |
| __m256i s0; |
| s0 = _mm256_loadu_si256((const __m256i *)src); |
| pack_pixels(&s0, pp); |
| x[0] = _mm256_permute2x128_si256(pp[0], pp[2], 0x30); |
| x[1] = _mm256_permute2x128_si256(pp[1], pp[3], 0x30); |
| x[2] = _mm256_permute2x128_si256(pp[2], pp[0], 0x30); |
| x[3] = _mm256_permute2x128_si256(pp[3], pp[1], 0x30); |
| } |
| |
| static INLINE void pack_8x2_pixels(const uint16_t *src, ptrdiff_t stride, |
| __m256i *x) { |
| __m256i s0, s1; |
| s0 = _mm256_loadu_si256((const __m256i *)src); |
| s1 = _mm256_loadu_si256((const __m256i *)(src + stride)); |
| pack_16_pixels(&s0, &s1, x); |
| } |
| |
| static INLINE void pack_16x1_pixels(const uint16_t *src, __m256i *x) { |
| __m256i s0, s1; |
| s0 = _mm256_loadu_si256((const __m256i *)src); |
| s1 = _mm256_loadu_si256((const __m256i *)(src + 8)); |
| pack_16_pixels(&s0, &s1, x); |
| } |
| |
| // Note: |
| // Shared by horizontal and vertical filtering |
| static INLINE void pack_filters(const int16_t *filter, __m256i *f /*f[4]*/) { |
| const __m128i h = _mm_loadu_si128((const __m128i *)filter); |
| const __m256i hh = _mm256_insertf128_si256(_mm256_castsi128_si256(h), h, 1); |
| const __m256i p0 = _mm256_set1_epi32(0x03020100); |
| const __m256i p1 = _mm256_set1_epi32(0x07060504); |
| const __m256i p2 = _mm256_set1_epi32(0x0b0a0908); |
| const __m256i p3 = _mm256_set1_epi32(0x0f0e0d0c); |
| f[0] = _mm256_shuffle_epi8(hh, p0); |
| f[1] = _mm256_shuffle_epi8(hh, p1); |
| f[2] = _mm256_shuffle_epi8(hh, p2); |
| f[3] = _mm256_shuffle_epi8(hh, p3); |
| } |
| |
| static INLINE void pack_filters_4tap(const int16_t *filter, |
| __m256i *f /*f[4]*/) { |
| const __m128i h = _mm_loadu_si128((const __m128i *)filter); |
| const __m256i coeff = _mm256_broadcastsi128_si256(h); |
| |
| // coeffs 2 3 2 3 2 3 2 3 |
| f[0] = _mm256_shuffle_epi32(coeff, 0x55); |
| // coeffs 4 5 4 5 4 5 4 5 |
| f[1] = _mm256_shuffle_epi32(coeff, 0xaa); |
| } |
| |
| static INLINE void filter_8x1_pixels(const __m256i *sig /*sig[4]*/, |
| const __m256i *fil /*fil[4]*/, |
| __m256i *y) { |
| __m256i a, a0, a1; |
| |
| a0 = _mm256_madd_epi16(fil[0], sig[0]); |
| a1 = _mm256_madd_epi16(fil[3], sig[3]); |
| a = _mm256_add_epi32(a0, a1); |
| |
| a0 = _mm256_madd_epi16(fil[1], sig[1]); |
| a1 = _mm256_madd_epi16(fil[2], sig[2]); |
| |
| { |
| const __m256i min = _mm256_min_epi32(a0, a1); |
| a = _mm256_add_epi32(a, min); |
| } |
| { |
| const __m256i max = _mm256_max_epi32(a0, a1); |
| a = _mm256_add_epi32(a, max); |
| } |
| { |
| const __m256i rounding = _mm256_set1_epi32(1 << (CONV8_ROUNDING_BITS - 1)); |
| a = _mm256_add_epi32(a, rounding); |
| *y = _mm256_srai_epi32(a, CONV8_ROUNDING_BITS); |
| } |
| } |
| |
| static INLINE void store_8x1_pixels(const __m256i *y, const __m256i *mask, |
| uint16_t *dst) { |
| const __m128i a0 = _mm256_castsi256_si128(*y); |
| const __m128i a1 = _mm256_extractf128_si256(*y, 1); |
| __m128i res = _mm_packus_epi32(a0, a1); |
| res = _mm_min_epi16(res, _mm256_castsi256_si128(*mask)); |
| _mm_storeu_si128((__m128i *)dst, res); |
| } |
| |
| static INLINE void store_8x2_pixels(const __m256i *y0, const __m256i *y1, |
| const __m256i *mask, uint16_t *dst, |
| ptrdiff_t pitch) { |
| __m256i a = _mm256_packus_epi32(*y0, *y1); |
| a = _mm256_min_epi16(a, *mask); |
| _mm_storeu_si128((__m128i *)dst, _mm256_castsi256_si128(a)); |
| _mm_storeu_si128((__m128i *)(dst + pitch), _mm256_extractf128_si256(a, 1)); |
| } |
| |
| static INLINE void store_16x1_pixels(const __m256i *y0, const __m256i *y1, |
| const __m256i *mask, uint16_t *dst) { |
| __m256i a = _mm256_packus_epi32(*y0, *y1); |
| a = _mm256_min_epi16(a, *mask); |
| _mm256_storeu_si256((__m256i *)dst, a); |
| } |
| |
| static void aom_highbd_filter_block1d8_h8_avx2( |
| const uint16_t *src_ptr, ptrdiff_t src_pitch, uint16_t *dst_ptr, |
| ptrdiff_t dst_pitch, uint32_t height, const int16_t *filter, int bd) { |
| __m256i signal[8], res0, res1; |
| const __m256i max = _mm256_set1_epi16((1 << bd) - 1); |
| |
| __m256i ff[4]; |
| pack_filters(filter, ff); |
| |
| src_ptr -= 3; |
| do { |
| pack_8x2_pixels(src_ptr, src_pitch, signal); |
| filter_8x1_pixels(signal, ff, &res0); |
| filter_8x1_pixels(&signal[4], ff, &res1); |
| store_8x2_pixels(&res0, &res1, &max, dst_ptr, dst_pitch); |
| height -= 2; |
| src_ptr += src_pitch << 1; |
| dst_ptr += dst_pitch << 1; |
| } while (height > 1); |
| |
| if (height > 0) { |
| pack_8x1_pixels(src_ptr, signal); |
| filter_8x1_pixels(signal, ff, &res0); |
| store_8x1_pixels(&res0, &max, dst_ptr); |
| } |
| } |
| |
| static void aom_highbd_filter_block1d16_h8_avx2( |
| const uint16_t *src_ptr, ptrdiff_t src_pitch, uint16_t *dst_ptr, |
| ptrdiff_t dst_pitch, uint32_t height, const int16_t *filter, int bd) { |
| __m256i signal[8], res0, res1; |
| const __m256i max = _mm256_set1_epi16((1 << bd) - 1); |
| |
| __m256i ff[4]; |
| pack_filters(filter, ff); |
| |
| src_ptr -= 3; |
| do { |
| pack_16x1_pixels(src_ptr, signal); |
| filter_8x1_pixels(signal, ff, &res0); |
| filter_8x1_pixels(&signal[4], ff, &res1); |
| store_16x1_pixels(&res0, &res1, &max, dst_ptr); |
| height -= 1; |
| src_ptr += src_pitch; |
| dst_ptr += dst_pitch; |
| } while (height > 0); |
| } |
| |
| static void aom_highbd_filter_block1d4_h4_avx2( |
| const uint16_t *src_ptr, ptrdiff_t src_pitch, uint16_t *dst_ptr, |
| ptrdiff_t dst_pitch, uint32_t height, const int16_t *filter, int bd) { |
| const __m256i rounding = _mm256_set1_epi32(1 << (CONV8_ROUNDING_BITS - 1)); |
| __m256i ff[2], s[2]; |
| uint32_t i; |
| const __m256i clip_pixel = |
| _mm256_set1_epi16(bd == 10 ? 1023 : (bd == 12 ? 4095 : 255)); |
| const __m256i zero = _mm256_setzero_si256(); |
| |
| static const uint8_t shuffle_mask[32] = { 0, 1, 2, 3, 2, 3, 4, 5, 4, 5, 6, |
| 7, 6, 7, 8, 9, 0, 1, 2, 3, 2, 3, |
| 4, 5, 4, 5, 6, 7, 6, 7, 8, 9 }; |
| |
| __m256i mask = _mm256_loadu_si256((__m256i *)shuffle_mask); |
| __m256i ip_mask_f2f3 = _mm256_loadu_si256((__m256i *)ip_shuffle_f2f3); |
| __m256i ip_mask_f4f5 = _mm256_loadu_si256((__m256i *)ip_shuffle_f4f5); |
| |
| pack_filters_4tap(filter, ff); |
| src_ptr -= 3; |
| for (i = 0; i <= (height - 2); i += 2) { |
| __m256i row0 = _mm256_castsi128_si256( |
| _mm_loadu_si128((__m128i *)&src_ptr[i * src_pitch + 2])); |
| __m256i row1 = _mm256_castsi128_si256( |
| _mm_loadu_si128((__m128i *)&src_ptr[(i + 1) * src_pitch + 2])); |
| |
| s[0] = _mm256_inserti128_si256(row0, _mm256_castsi256_si128(row1), 1); |
| s[1] = _mm256_alignr_epi8(s[0], s[0], 4); |
| |
| s[0] = _mm256_shuffle_epi8(s[0], mask); |
| s[1] = _mm256_shuffle_epi8(s[1], mask); |
| |
| __m256i res = convolve_4tap(s, ff); |
| res = |
| _mm256_srai_epi32(_mm256_add_epi32(res, rounding), CONV8_ROUNDING_BITS); |
| |
| res = _mm256_packs_epi32(res, res); |
| res = _mm256_min_epi16(res, clip_pixel); |
| res = _mm256_max_epi16(res, zero); |
| |
| _mm_storel_epi64((__m128i *)&dst_ptr[i * dst_pitch], |
| _mm256_castsi256_si128(res)); |
| _mm_storel_epi64((__m128i *)&dst_ptr[(i + 1) * dst_pitch], |
| _mm256_extracti128_si256(res, 1)); |
| } |
| if (height % 2 != 0) { |
| i = height - 1; |
| const __m256i row0_0 = _mm256_castsi128_si256( |
| _mm_loadu_si128((__m128i *)&src_ptr[i * src_pitch + 2])); |
| const __m256i row0_1 = _mm256_castsi128_si256( |
| _mm_loadu_si128((__m128i *)&src_ptr[i * src_pitch + 6])); |
| |
| const __m256i r0 = |
| _mm256_inserti128_si256(row0_0, _mm256_castsi256_si128(row0_1), 1); |
| |
| s[0] = _mm256_shuffle_epi8(r0, ip_mask_f2f3); |
| s[1] = _mm256_shuffle_epi8(r0, ip_mask_f4f5); |
| |
| __m256i res = convolve_4tap(s, ff); |
| res = |
| _mm256_srai_epi32(_mm256_add_epi32(res, rounding), CONV8_ROUNDING_BITS); |
| |
| res = _mm256_packs_epi32(res, res); |
| res = _mm256_min_epi16(res, clip_pixel); |
| res = _mm256_max_epi16(res, zero); |
| |
| _mm_storel_epi64((__m128i *)&dst_ptr[i * dst_pitch], |
| _mm256_castsi256_si128(res)); |
| } |
| } |
| |
| static void aom_highbd_filter_block1d8_h4_avx2( |
| const uint16_t *src_ptr, ptrdiff_t src_pitch, uint16_t *dst_ptr, |
| ptrdiff_t dst_pitch, uint32_t height, const int16_t *filter, int bd) { |
| const __m256i rounding = _mm256_set1_epi32(1 << (CONV8_ROUNDING_BITS - 1)); |
| __m256i ff[2], s[2]; |
| uint32_t i = 0; |
| const __m256i clip_pixel = |
| _mm256_set1_epi16(bd == 10 ? 1023 : (bd == 12 ? 4095 : 255)); |
| const __m256i zero = _mm256_setzero_si256(); |
| |
| static const uint8_t shuffle_mask[32] = { 0, 1, 8, 9, 2, 3, 10, 11, |
| 4, 5, 12, 13, 6, 7, 14, 15, |
| 0, 1, 8, 9, 2, 3, 10, 11, |
| 4, 5, 12, 13, 6, 7, 14, 15 }; |
| |
| __m256i mask = _mm256_loadu_si256((__m256i *)shuffle_mask); |
| __m256i ip_mask_f2f3 = _mm256_loadu_si256((__m256i *)ip_shuffle_f2f3); |
| __m256i ip_mask_f4f5 = _mm256_loadu_si256((__m256i *)ip_shuffle_f4f5); |
| |
| pack_filters_4tap(filter, ff); |
| src_ptr -= 3; |
| |
| /* Horizontal filter */ |
| |
| for (i = 0; i <= (height - 2); i += 2) { |
| const __m256i row0 = |
| _mm256_loadu_si256((__m256i *)&src_ptr[i * src_pitch + 2]); |
| __m256i row1 = |
| _mm256_loadu_si256((__m256i *)&src_ptr[(i + 1) * src_pitch + 2]); |
| |
| const __m256i r0 = |
| _mm256_inserti128_si256(row0, _mm256_castsi256_si128(row1), 1); |
| const __m256i r1 = _mm256_permute2x128_si256(row0, row1, 0x31); |
| |
| // even pixels |
| s[0] = r0; |
| s[1] = _mm256_alignr_epi8(r1, r0, 4); |
| |
| __m256i res_even = convolve_4tap(s, ff); |
| res_even = _mm256_srai_epi32(_mm256_add_epi32(res_even, rounding), |
| CONV8_ROUNDING_BITS); |
| |
| // odd pixels |
| s[0] = _mm256_alignr_epi8(r1, r0, 2); |
| s[1] = _mm256_alignr_epi8(r1, r0, 6); |
| |
| __m256i res_odd = convolve_4tap(s, ff); |
| res_odd = _mm256_srai_epi32(_mm256_add_epi32(res_odd, rounding), |
| CONV8_ROUNDING_BITS); |
| |
| __m256i res = _mm256_packs_epi32(res_even, res_odd); |
| res = _mm256_shuffle_epi8(res, mask); |
| |
| res = _mm256_min_epi16(res, clip_pixel); |
| res = _mm256_max_epi16(res, zero); |
| |
| _mm_storeu_si128((__m128i *)&dst_ptr[i * dst_pitch], |
| _mm256_castsi256_si128(res)); |
| _mm_storeu_si128((__m128i *)&dst_ptr[i * dst_pitch + dst_pitch], |
| _mm256_extracti128_si256(res, 1)); |
| } |
| |
| if (height % 2 != 0) { |
| i = height - 1; |
| const __m256i row0_0 = |
| _mm256_loadu_si256((__m256i *)&src_ptr[i * src_pitch + 2]); |
| const __m256i row0_1 = |
| _mm256_loadu_si256((__m256i *)&src_ptr[i * src_pitch + 6]); |
| |
| const __m256i r0 = |
| _mm256_inserti128_si256(row0_0, _mm256_castsi256_si128(row0_1), 1); |
| |
| s[0] = _mm256_shuffle_epi8(r0, ip_mask_f2f3); |
| s[1] = _mm256_shuffle_epi8(r0, ip_mask_f4f5); |
| |
| __m256i res = convolve_4tap(s, ff); |
| res = |
| _mm256_srai_epi32(_mm256_add_epi32(res, rounding), CONV8_ROUNDING_BITS); |
| |
| res = _mm256_packs_epi32(res, res); |
| res = _mm256_min_epi16(res, clip_pixel); |
| res = _mm256_max_epi16(res, zero); |
| |
| _mm_storel_epi64((__m128i *)&dst_ptr[i * dst_pitch], |
| _mm256_castsi256_si128(res)); |
| _mm_storel_epi64((__m128i *)&dst_ptr[i * dst_pitch + 4], |
| _mm256_extracti128_si256(res, 1)); |
| } |
| } |
| |
| static void aom_highbd_filter_block1d16_h4_avx2( |
| const uint16_t *src_ptr, ptrdiff_t src_pitch, uint16_t *dst_ptr, |
| ptrdiff_t dst_pitch, uint32_t height, const int16_t *filter, int bd) { |
| aom_highbd_filter_block1d8_h4_avx2(src_ptr, src_pitch, dst_ptr, dst_pitch, |
| height, filter, bd); |
| aom_highbd_filter_block1d8_h4_avx2(src_ptr + 8, src_pitch, dst_ptr + 8, |
| dst_pitch, height, filter, bd); |
| } |
| |
| // ----------------------------------------------------------------------------- |
| // 2-tap horizontal filtering |
| |
| static INLINE void pack_2t_filter(const int16_t *filter, __m256i *f) { |
| const __m128i h = _mm_loadu_si128((const __m128i *)filter); |
| const __m256i hh = _mm256_insertf128_si256(_mm256_castsi128_si256(h), h, 1); |
| const __m256i p = _mm256_set1_epi32(0x09080706); |
| f[0] = _mm256_shuffle_epi8(hh, p); |
| } |
| |
| // can be used by pack_8x2_2t_pixels() and pack_16x1_2t_pixels() |
| // the difference is s0/s1 specifies first and second rows or, |
| // first 16 samples and 8-sample shifted 16 samples |
| static INLINE void pack_16_2t_pixels(const __m256i *s0, const __m256i *s1, |
| __m256i *sig) { |
| const __m256i idx = _mm256_loadu_si256((const __m256i *)signal_index); |
| const __m256i sf2 = _mm256_loadu_si256((const __m256i *)signal_pattern_2); |
| __m256i x0 = _mm256_shuffle_epi8(*s0, sf2); |
| __m256i x1 = _mm256_shuffle_epi8(*s1, sf2); |
| __m256i r0 = _mm256_permutevar8x32_epi32(*s0, idx); |
| __m256i r1 = _mm256_permutevar8x32_epi32(*s1, idx); |
| r0 = _mm256_shuffle_epi8(r0, sf2); |
| r1 = _mm256_shuffle_epi8(r1, sf2); |
| sig[0] = _mm256_permute2x128_si256(x0, x1, 0x20); |
| sig[1] = _mm256_permute2x128_si256(r0, r1, 0x20); |
| } |
| |
| static INLINE void pack_8x2_2t_pixels(const uint16_t *src, |
| const ptrdiff_t pitch, __m256i *sig) { |
| const __m256i r0 = _mm256_loadu_si256((const __m256i *)src); |
| const __m256i r1 = _mm256_loadu_si256((const __m256i *)(src + pitch)); |
| pack_16_2t_pixels(&r0, &r1, sig); |
| } |
| |
| static INLINE void pack_16x1_2t_pixels(const uint16_t *src, |
| __m256i *sig /*sig[2]*/) { |
| const __m256i r0 = _mm256_loadu_si256((const __m256i *)src); |
| const __m256i r1 = _mm256_loadu_si256((const __m256i *)(src + 8)); |
| pack_16_2t_pixels(&r0, &r1, sig); |
| } |
| |
| static INLINE void pack_8x1_2t_pixels(const uint16_t *src, |
| __m256i *sig /*sig[2]*/) { |
| const __m256i idx = _mm256_loadu_si256((const __m256i *)signal_index); |
| const __m256i sf2 = _mm256_loadu_si256((const __m256i *)signal_pattern_2); |
| __m256i r0 = _mm256_loadu_si256((const __m256i *)src); |
| __m256i x0 = _mm256_shuffle_epi8(r0, sf2); |
| r0 = _mm256_permutevar8x32_epi32(r0, idx); |
| r0 = _mm256_shuffle_epi8(r0, sf2); |
| sig[0] = _mm256_permute2x128_si256(x0, r0, 0x20); |
| } |
| |
| // can be used by filter_8x2_2t_pixels() and filter_16x1_2t_pixels() |
| static INLINE void filter_16_2t_pixels(const __m256i *sig, const __m256i *f, |
| __m256i *y0, __m256i *y1) { |
| const __m256i rounding = _mm256_set1_epi32(1 << (CONV8_ROUNDING_BITS - 1)); |
| __m256i x0 = _mm256_madd_epi16(sig[0], *f); |
| __m256i x1 = _mm256_madd_epi16(sig[1], *f); |
| x0 = _mm256_add_epi32(x0, rounding); |
| x1 = _mm256_add_epi32(x1, rounding); |
| *y0 = _mm256_srai_epi32(x0, CONV8_ROUNDING_BITS); |
| *y1 = _mm256_srai_epi32(x1, CONV8_ROUNDING_BITS); |
| } |
| |
| static INLINE void filter_8x1_2t_pixels(const __m256i *sig, const __m256i *f, |
| __m256i *y0) { |
| const __m256i rounding = _mm256_set1_epi32(1 << (CONV8_ROUNDING_BITS - 1)); |
| __m256i x0 = _mm256_madd_epi16(sig[0], *f); |
| x0 = _mm256_add_epi32(x0, rounding); |
| *y0 = _mm256_srai_epi32(x0, CONV8_ROUNDING_BITS); |
| } |
| |
| static void aom_highbd_filter_block1d8_h2_avx2( |
| const uint16_t *src_ptr, ptrdiff_t src_pitch, uint16_t *dst_ptr, |
| ptrdiff_t dst_pitch, uint32_t height, const int16_t *filter, int bd) { |
| __m256i signal[2], res0, res1; |
| const __m256i max = _mm256_set1_epi16((1 << bd) - 1); |
| |
| __m256i ff; |
| pack_2t_filter(filter, &ff); |
| |
| src_ptr -= 3; |
| do { |
| pack_8x2_2t_pixels(src_ptr, src_pitch, signal); |
| filter_16_2t_pixels(signal, &ff, &res0, &res1); |
| store_8x2_pixels(&res0, &res1, &max, dst_ptr, dst_pitch); |
| height -= 2; |
| src_ptr += src_pitch << 1; |
| dst_ptr += dst_pitch << 1; |
| } while (height > 1); |
| |
| if (height > 0) { |
| pack_8x1_2t_pixels(src_ptr, signal); |
| filter_8x1_2t_pixels(signal, &ff, &res0); |
| store_8x1_pixels(&res0, &max, dst_ptr); |
| } |
| } |
| |
| static void aom_highbd_filter_block1d16_h2_avx2( |
| const uint16_t *src_ptr, ptrdiff_t src_pitch, uint16_t *dst_ptr, |
| ptrdiff_t dst_pitch, uint32_t height, const int16_t *filter, int bd) { |
| __m256i signal[2], res0, res1; |
| const __m256i max = _mm256_set1_epi16((1 << bd) - 1); |
| |
| __m256i ff; |
| pack_2t_filter(filter, &ff); |
| |
| src_ptr -= 3; |
| do { |
| pack_16x1_2t_pixels(src_ptr, signal); |
| filter_16_2t_pixels(signal, &ff, &res0, &res1); |
| store_16x1_pixels(&res0, &res1, &max, dst_ptr); |
| height -= 1; |
| src_ptr += src_pitch; |
| dst_ptr += dst_pitch; |
| } while (height > 0); |
| } |
| |
| // ----------------------------------------------------------------------------- |
| // Vertical Filtering |
| |
| static void pack_8x9_init(const uint16_t *src, ptrdiff_t pitch, __m256i *sig) { |
| __m256i s0 = _mm256_castsi128_si256(_mm_loadu_si128((const __m128i *)src)); |
| __m256i s1 = |
| _mm256_castsi128_si256(_mm_loadu_si128((const __m128i *)(src + pitch))); |
| __m256i s2 = _mm256_castsi128_si256( |
| _mm_loadu_si128((const __m128i *)(src + 2 * pitch))); |
| __m256i s3 = _mm256_castsi128_si256( |
| _mm_loadu_si128((const __m128i *)(src + 3 * pitch))); |
| __m256i s4 = _mm256_castsi128_si256( |
| _mm_loadu_si128((const __m128i *)(src + 4 * pitch))); |
| __m256i s5 = _mm256_castsi128_si256( |
| _mm_loadu_si128((const __m128i *)(src + 5 * pitch))); |
| __m256i s6 = _mm256_castsi128_si256( |
| _mm_loadu_si128((const __m128i *)(src + 6 * pitch))); |
| |
| s0 = _mm256_inserti128_si256(s0, _mm256_castsi256_si128(s1), 1); |
| s1 = _mm256_inserti128_si256(s1, _mm256_castsi256_si128(s2), 1); |
| s2 = _mm256_inserti128_si256(s2, _mm256_castsi256_si128(s3), 1); |
| s3 = _mm256_inserti128_si256(s3, _mm256_castsi256_si128(s4), 1); |
| s4 = _mm256_inserti128_si256(s4, _mm256_castsi256_si128(s5), 1); |
| s5 = _mm256_inserti128_si256(s5, _mm256_castsi256_si128(s6), 1); |
| |
| sig[0] = _mm256_unpacklo_epi16(s0, s1); |
| sig[4] = _mm256_unpackhi_epi16(s0, s1); |
| sig[1] = _mm256_unpacklo_epi16(s2, s3); |
| sig[5] = _mm256_unpackhi_epi16(s2, s3); |
| sig[2] = _mm256_unpacklo_epi16(s4, s5); |
| sig[6] = _mm256_unpackhi_epi16(s4, s5); |
| sig[8] = s6; |
| } |
| |
| static INLINE void pack_8x9_pixels(const uint16_t *src, ptrdiff_t pitch, |
| __m256i *sig) { |
| // base + 7th row |
| __m256i s0 = _mm256_castsi128_si256( |
| _mm_loadu_si128((const __m128i *)(src + 7 * pitch))); |
| // base + 8th row |
| __m256i s1 = _mm256_castsi128_si256( |
| _mm_loadu_si128((const __m128i *)(src + 8 * pitch))); |
| __m256i s2 = _mm256_inserti128_si256(sig[8], _mm256_castsi256_si128(s0), 1); |
| __m256i s3 = _mm256_inserti128_si256(s0, _mm256_castsi256_si128(s1), 1); |
| sig[3] = _mm256_unpacklo_epi16(s2, s3); |
| sig[7] = _mm256_unpackhi_epi16(s2, s3); |
| sig[8] = s1; |
| } |
| |
| static INLINE void filter_8x9_pixels(const __m256i *sig, const __m256i *f, |
| __m256i *y0, __m256i *y1) { |
| filter_8x1_pixels(sig, f, y0); |
| filter_8x1_pixels(&sig[4], f, y1); |
| } |
| |
| static INLINE void update_pixels(__m256i *sig) { |
| int i; |
| for (i = 0; i < 3; ++i) { |
| sig[i] = sig[i + 1]; |
| sig[i + 4] = sig[i + 5]; |
| } |
| } |
| |
| static void aom_highbd_filter_block1d8_v8_avx2( |
| const uint16_t *src_ptr, ptrdiff_t src_pitch, uint16_t *dst_ptr, |
| ptrdiff_t dst_pitch, uint32_t height, const int16_t *filter, int bd) { |
| __m256i signal[9], res0, res1; |
| const __m256i max = _mm256_set1_epi16((1 << bd) - 1); |
| |
| __m256i ff[4]; |
| pack_filters(filter, ff); |
| |
| pack_8x9_init(src_ptr, src_pitch, signal); |
| |
| do { |
| pack_8x9_pixels(src_ptr, src_pitch, signal); |
| |
| filter_8x9_pixels(signal, ff, &res0, &res1); |
| store_8x2_pixels(&res0, &res1, &max, dst_ptr, dst_pitch); |
| update_pixels(signal); |
| |
| src_ptr += src_pitch << 1; |
| dst_ptr += dst_pitch << 1; |
| height -= 2; |
| } while (height > 0); |
| } |
| |
| static void pack_16x9_init(const uint16_t *src, ptrdiff_t pitch, __m256i *sig) { |
| __m256i u0, u1, u2, u3; |
| // load 0-6 rows |
| const __m256i s0 = _mm256_loadu_si256((const __m256i *)src); |
| const __m256i s1 = _mm256_loadu_si256((const __m256i *)(src + pitch)); |
| const __m256i s2 = _mm256_loadu_si256((const __m256i *)(src + 2 * pitch)); |
| const __m256i s3 = _mm256_loadu_si256((const __m256i *)(src + 3 * pitch)); |
| const __m256i s4 = _mm256_loadu_si256((const __m256i *)(src + 4 * pitch)); |
| const __m256i s5 = _mm256_loadu_si256((const __m256i *)(src + 5 * pitch)); |
| const __m256i s6 = _mm256_loadu_si256((const __m256i *)(src + 6 * pitch)); |
| |
| u0 = _mm256_permute2x128_si256(s0, s1, 0x20); // 0, 1 low |
| u1 = _mm256_permute2x128_si256(s0, s1, 0x31); // 0, 1 high |
| |
| u2 = _mm256_permute2x128_si256(s1, s2, 0x20); // 1, 2 low |
| u3 = _mm256_permute2x128_si256(s1, s2, 0x31); // 1, 2 high |
| |
| sig[0] = _mm256_unpacklo_epi16(u0, u2); |
| sig[4] = _mm256_unpackhi_epi16(u0, u2); |
| |
| sig[8] = _mm256_unpacklo_epi16(u1, u3); |
| sig[12] = _mm256_unpackhi_epi16(u1, u3); |
| |
| u0 = _mm256_permute2x128_si256(s2, s3, 0x20); |
| u1 = _mm256_permute2x128_si256(s2, s3, 0x31); |
| |
| u2 = _mm256_permute2x128_si256(s3, s4, 0x20); |
| u3 = _mm256_permute2x128_si256(s3, s4, 0x31); |
| |
| sig[1] = _mm256_unpacklo_epi16(u0, u2); |
| sig[5] = _mm256_unpackhi_epi16(u0, u2); |
| |
| sig[9] = _mm256_unpacklo_epi16(u1, u3); |
| sig[13] = _mm256_unpackhi_epi16(u1, u3); |
| |
| u0 = _mm256_permute2x128_si256(s4, s5, 0x20); |
| u1 = _mm256_permute2x128_si256(s4, s5, 0x31); |
| |
| u2 = _mm256_permute2x128_si256(s5, s6, 0x20); |
| u3 = _mm256_permute2x128_si256(s5, s6, 0x31); |
| |
| sig[2] = _mm256_unpacklo_epi16(u0, u2); |
| sig[6] = _mm256_unpackhi_epi16(u0, u2); |
| |
| sig[10] = _mm256_unpacklo_epi16(u1, u3); |
| sig[14] = _mm256_unpackhi_epi16(u1, u3); |
| |
| sig[16] = s6; |
| } |
| |
| static void pack_16x9_pixels(const uint16_t *src, ptrdiff_t pitch, |
| __m256i *sig) { |
| // base + 7th row |
| const __m256i s7 = _mm256_loadu_si256((const __m256i *)(src + 7 * pitch)); |
| // base + 8th row |
| const __m256i s8 = _mm256_loadu_si256((const __m256i *)(src + 8 * pitch)); |
| |
| __m256i u0, u1, u2, u3; |
| u0 = _mm256_permute2x128_si256(sig[16], s7, 0x20); |
| u1 = _mm256_permute2x128_si256(sig[16], s7, 0x31); |
| |
| u2 = _mm256_permute2x128_si256(s7, s8, 0x20); |
| u3 = _mm256_permute2x128_si256(s7, s8, 0x31); |
| |
| sig[3] = _mm256_unpacklo_epi16(u0, u2); |
| sig[7] = _mm256_unpackhi_epi16(u0, u2); |
| |
| sig[11] = _mm256_unpacklo_epi16(u1, u3); |
| sig[15] = _mm256_unpackhi_epi16(u1, u3); |
| |
| sig[16] = s8; |
| } |
| |
| static INLINE void filter_16x9_pixels(const __m256i *sig, const __m256i *f, |
| __m256i *y0, __m256i *y1) { |
| __m256i res[4]; |
| int i; |
| for (i = 0; i < 4; ++i) { |
| filter_8x1_pixels(&sig[i << 2], f, &res[i]); |
| } |
| |
| { |
| const __m256i l0l1 = _mm256_packus_epi32(res[0], res[1]); |
| const __m256i h0h1 = _mm256_packus_epi32(res[2], res[3]); |
| *y0 = _mm256_permute2x128_si256(l0l1, h0h1, 0x20); |
| *y1 = _mm256_permute2x128_si256(l0l1, h0h1, 0x31); |
| } |
| } |
| |
| static INLINE void store_16x2_pixels(const __m256i *y0, const __m256i *y1, |
| const __m256i *mask, uint16_t *dst, |
| ptrdiff_t pitch) { |
| __m256i p = _mm256_min_epi16(*y0, *mask); |
| _mm256_storeu_si256((__m256i *)dst, p); |
| p = _mm256_min_epi16(*y1, *mask); |
| _mm256_storeu_si256((__m256i *)(dst + pitch), p); |
| } |
| |
| static void update_16x9_pixels(__m256i *sig) { |
| update_pixels(&sig[0]); |
| update_pixels(&sig[8]); |
| } |
| |
| static void aom_highbd_filter_block1d16_v8_avx2( |
| const uint16_t *src_ptr, ptrdiff_t src_pitch, uint16_t *dst_ptr, |
| ptrdiff_t dst_pitch, uint32_t height, const int16_t *filter, int bd) { |
| __m256i signal[17], res0, res1; |
| const __m256i max = _mm256_set1_epi16((1 << bd) - 1); |
| |
| __m256i ff[4]; |
| pack_filters(filter, ff); |
| |
| pack_16x9_init(src_ptr, src_pitch, signal); |
| |
| do { |
| pack_16x9_pixels(src_ptr, src_pitch, signal); |
| filter_16x9_pixels(signal, ff, &res0, &res1); |
| store_16x2_pixels(&res0, &res1, &max, dst_ptr, dst_pitch); |
| update_16x9_pixels(signal); |
| |
| src_ptr += src_pitch << 1; |
| dst_ptr += dst_pitch << 1; |
| height -= 2; |
| } while (height > 0); |
| } |
| |
| static void aom_highbd_filter_block1d4_v4_avx2( |
| const uint16_t *src_ptr, ptrdiff_t src_pitch, uint16_t *dst_ptr, |
| ptrdiff_t dst_pitch, uint32_t height, const int16_t *filter, int bd) { |
| const int bits = FILTER_BITS; |
| |
| const __m128i round_shift_bits = _mm_cvtsi32_si128(bits); |
| const __m256i round_const_bits = _mm256_set1_epi32((1 << bits) >> 1); |
| const __m256i clip_pixel = |
| _mm256_set1_epi32(bd == 10 ? 1023 : (bd == 12 ? 4095 : 255)); |
| const __m256i zero = _mm256_setzero_si256(); |
| uint32_t i; |
| __m256i s[2], ff[2]; |
| |
| pack_filters_4tap(filter, ff); |
| |
| const uint16_t *data = src_ptr; |
| /* Vertical filter */ |
| { |
| __m128i s2 = _mm_loadl_epi64((__m128i *)(data + 2 * src_pitch)); |
| __m128i s3 = _mm_loadl_epi64((__m128i *)(data + 3 * src_pitch)); |
| |
| __m256i s23 = _mm256_inserti128_si256(_mm256_castsi128_si256(s2), s3, 1); |
| |
| __m128i s4 = _mm_loadl_epi64((__m128i *)(data + 4 * src_pitch)); |
| |
| __m256i s34 = _mm256_inserti128_si256(_mm256_castsi128_si256(s3), s4, 1); |
| |
| s[0] = _mm256_unpacklo_epi16(s23, s34); |
| |
| for (i = 0; i < height; i += 2) { |
| data = &src_ptr[i * src_pitch]; |
| |
| __m128i s5 = _mm_loadl_epi64((__m128i *)(data + 5 * src_pitch)); |
| __m128i s6 = _mm_loadl_epi64((__m128i *)(data + 6 * src_pitch)); |
| |
| __m256i s45 = _mm256_inserti128_si256(_mm256_castsi128_si256(s4), s5, 1); |
| __m256i s56 = _mm256_inserti128_si256(_mm256_castsi128_si256(s5), s6, 1); |
| |
| s[1] = _mm256_unpacklo_epi16(s45, s56); |
| |
| const __m256i res_a = convolve_4tap(s, ff); |
| |
| __m256i res_a_round = _mm256_sra_epi32( |
| _mm256_add_epi32(res_a, round_const_bits), round_shift_bits); |
| |
| __m256i res_16bit = _mm256_min_epi32(res_a_round, clip_pixel); |
| res_16bit = _mm256_max_epi32(res_16bit, zero); |
| res_16bit = _mm256_packs_epi32(res_16bit, res_16bit); |
| |
| _mm_storel_epi64((__m128i *)&dst_ptr[i * dst_pitch], |
| _mm256_castsi256_si128(res_16bit)); |
| _mm_storel_epi64((__m128i *)&dst_ptr[i * dst_pitch + dst_pitch], |
| _mm256_extracti128_si256(res_16bit, 1)); |
| |
| s[0] = s[1]; |
| s4 = s6; |
| } |
| } |
| } |
| |
| static void aom_highbd_filter_block1d8_v4_avx2( |
| const uint16_t *src_ptr, ptrdiff_t src_pitch, uint16_t *dst_ptr, |
| ptrdiff_t dst_pitch, uint32_t height, const int16_t *filter, int bd) { |
| const int bits = FILTER_BITS; |
| |
| const __m128i round_shift_bits = _mm_cvtsi32_si128(bits); |
| const __m256i round_const_bits = _mm256_set1_epi32((1 << bits) >> 1); |
| const __m256i clip_pixel = |
| _mm256_set1_epi16(bd == 10 ? 1023 : (bd == 12 ? 4095 : 255)); |
| const __m256i zero = _mm256_setzero_si256(); |
| __m256i s[4], ff[2]; |
| uint32_t i; |
| pack_filters_4tap(filter, ff); |
| |
| const uint16_t *data = src_ptr; |
| /* Vertical filter */ |
| { |
| __m128i s2 = _mm_loadu_si128((__m128i *)(data + 2 * src_pitch)); |
| __m128i s3 = _mm_loadu_si128((__m128i *)(data + 3 * src_pitch)); |
| |
| __m256i s23 = _mm256_inserti128_si256(_mm256_castsi128_si256(s2), s3, 1); |
| |
| __m128i s4 = _mm_loadu_si128((__m128i *)(data + 4 * src_pitch)); |
| |
| __m256i s34 = _mm256_inserti128_si256(_mm256_castsi128_si256(s3), s4, 1); |
| |
| s[0] = _mm256_unpacklo_epi16(s23, s34); |
| s[2] = _mm256_unpackhi_epi16(s23, s34); |
| |
| for (i = 0; i < height; i += 2) { |
| data = &src_ptr[i * src_pitch]; |
| |
| __m128i s5 = _mm_loadu_si128((__m128i *)(data + 5 * src_pitch)); |
| __m128i s6 = _mm_loadu_si128((__m128i *)(data + 6 * src_pitch)); |
| |
| __m256i s45 = _mm256_inserti128_si256(_mm256_castsi128_si256(s4), s5, 1); |
| __m256i s56 = _mm256_inserti128_si256(_mm256_castsi128_si256(s5), s6, 1); |
| |
| s[1] = _mm256_unpacklo_epi16(s45, s56); |
| s[3] = _mm256_unpackhi_epi16(s45, s56); |
| |
| const __m256i res_a = convolve_4tap(s, ff); |
| |
| __m256i res_a_round = _mm256_sra_epi32( |
| _mm256_add_epi32(res_a, round_const_bits), round_shift_bits); |
| |
| const __m256i res_b = convolve_4tap(s + 2, ff); |
| __m256i res_b_round = _mm256_sra_epi32( |
| _mm256_add_epi32(res_b, round_const_bits), round_shift_bits); |
| |
| __m256i res_16bit = _mm256_packs_epi32(res_a_round, res_b_round); |
| res_16bit = _mm256_min_epi16(res_16bit, clip_pixel); |
| res_16bit = _mm256_max_epi16(res_16bit, zero); |
| |
| _mm_storeu_si128((__m128i *)&dst_ptr[i * dst_pitch], |
| _mm256_castsi256_si128(res_16bit)); |
| _mm_storeu_si128((__m128i *)&dst_ptr[i * dst_pitch + dst_pitch], |
| _mm256_extracti128_si256(res_16bit, 1)); |
| |
| s[0] = s[1]; |
| s[2] = s[3]; |
| s4 = s6; |
| } |
| } |
| } |
| |
| static void aom_highbd_filter_block1d16_v4_avx2( |
| const uint16_t *src_ptr, ptrdiff_t src_pitch, uint16_t *dst_ptr, |
| ptrdiff_t dst_pitch, uint32_t height, const int16_t *filter, int bd) { |
| aom_highbd_filter_block1d8_v4_avx2(src_ptr, src_pitch, dst_ptr, dst_pitch, |
| height, filter, bd); |
| |
| aom_highbd_filter_block1d8_v4_avx2(src_ptr + 8, src_pitch, dst_ptr + 8, |
| dst_pitch, height, filter, bd); |
| } |
| |
| // ----------------------------------------------------------------------------- |
| // 2-tap vertical filtering |
| |
| static void pack_16x2_init(const uint16_t *src, __m256i *sig) { |
| sig[2] = _mm256_loadu_si256((const __m256i *)src); |
| } |
| |
| static INLINE void pack_16x2_2t_pixels(const uint16_t *src, ptrdiff_t pitch, |
| __m256i *sig) { |
| // load the next row |
| const __m256i u = _mm256_loadu_si256((const __m256i *)(src + pitch)); |
| sig[0] = _mm256_unpacklo_epi16(sig[2], u); |
| sig[1] = _mm256_unpackhi_epi16(sig[2], u); |
| sig[2] = u; |
| } |
| |
| static INLINE void filter_16x2_2t_pixels(const __m256i *sig, const __m256i *f, |
| __m256i *y0, __m256i *y1) { |
| filter_16_2t_pixels(sig, f, y0, y1); |
| } |
| |
| static void aom_highbd_filter_block1d16_v2_avx2( |
| const uint16_t *src_ptr, ptrdiff_t src_pitch, uint16_t *dst_ptr, |
| ptrdiff_t dst_pitch, uint32_t height, const int16_t *filter, int bd) { |
| __m256i signal[3], res0, res1; |
| const __m256i max = _mm256_set1_epi16((1 << bd) - 1); |
| __m256i ff; |
| |
| pack_2t_filter(filter, &ff); |
| pack_16x2_init(src_ptr, signal); |
| |
| do { |
| pack_16x2_2t_pixels(src_ptr, src_pitch, signal); |
| filter_16x2_2t_pixels(signal, &ff, &res0, &res1); |
| store_16x1_pixels(&res0, &res1, &max, dst_ptr); |
| |
| src_ptr += src_pitch; |
| dst_ptr += dst_pitch; |
| height -= 1; |
| } while (height > 0); |
| } |
| |
| static INLINE void pack_8x1_2t_filter(const int16_t *filter, __m128i *f) { |
| const __m128i h = _mm_loadu_si128((const __m128i *)filter); |
| const __m128i p = _mm_set1_epi32(0x09080706); |
| f[0] = _mm_shuffle_epi8(h, p); |
| } |
| |
| static void pack_8x2_init(const uint16_t *src, __m128i *sig) { |
| sig[2] = _mm_loadu_si128((const __m128i *)src); |
| } |
| |
| static INLINE void pack_8x2_2t_pixels_ver(const uint16_t *src, ptrdiff_t pitch, |
| __m128i *sig) { |
| // load the next row |
| const __m128i u = _mm_loadu_si128((const __m128i *)(src + pitch)); |
| sig[0] = _mm_unpacklo_epi16(sig[2], u); |
| sig[1] = _mm_unpackhi_epi16(sig[2], u); |
| sig[2] = u; |
| } |
| |
| static INLINE void filter_8_2t_pixels(const __m128i *sig, const __m128i *f, |
| __m128i *y0, __m128i *y1) { |
| const __m128i rounding = _mm_set1_epi32(1 << (CONV8_ROUNDING_BITS - 1)); |
| __m128i x0 = _mm_madd_epi16(sig[0], *f); |
| __m128i x1 = _mm_madd_epi16(sig[1], *f); |
| x0 = _mm_add_epi32(x0, rounding); |
| x1 = _mm_add_epi32(x1, rounding); |
| *y0 = _mm_srai_epi32(x0, CONV8_ROUNDING_BITS); |
| *y1 = _mm_srai_epi32(x1, CONV8_ROUNDING_BITS); |
| } |
| |
| static INLINE void store_8x1_2t_pixels_ver(const __m128i *y0, const __m128i *y1, |
| const __m128i *mask, uint16_t *dst) { |
| __m128i res = _mm_packus_epi32(*y0, *y1); |
| res = _mm_min_epi16(res, *mask); |
| _mm_storeu_si128((__m128i *)dst, res); |
| } |
| |
| static void aom_highbd_filter_block1d8_v2_avx2( |
| const uint16_t *src_ptr, ptrdiff_t src_pitch, uint16_t *dst_ptr, |
| ptrdiff_t dst_pitch, uint32_t height, const int16_t *filter, int bd) { |
| __m128i signal[3], res0, res1; |
| const __m128i max = _mm_set1_epi16((1 << bd) - 1); |
| __m128i ff; |
| |
| pack_8x1_2t_filter(filter, &ff); |
| pack_8x2_init(src_ptr, signal); |
| |
| do { |
| pack_8x2_2t_pixels_ver(src_ptr, src_pitch, signal); |
| filter_8_2t_pixels(signal, &ff, &res0, &res1); |
| store_8x1_2t_pixels_ver(&res0, &res1, &max, dst_ptr); |
| |
| src_ptr += src_pitch; |
| dst_ptr += dst_pitch; |
| height -= 1; |
| } while (height > 0); |
| } |
| |
| void aom_highbd_filter_block1d4_h8_sse2(const uint16_t *, ptrdiff_t, uint16_t *, |
| ptrdiff_t, uint32_t, const int16_t *, |
| int); |
| void aom_highbd_filter_block1d4_h2_sse2(const uint16_t *, ptrdiff_t, uint16_t *, |
| ptrdiff_t, uint32_t, const int16_t *, |
| int); |
| void aom_highbd_filter_block1d4_v8_sse2(const uint16_t *, ptrdiff_t, uint16_t *, |
| ptrdiff_t, uint32_t, const int16_t *, |
| int); |
| void aom_highbd_filter_block1d4_v2_sse2(const uint16_t *, ptrdiff_t, uint16_t *, |
| ptrdiff_t, uint32_t, const int16_t *, |
| int); |
| #define aom_highbd_filter_block1d4_h8_avx2 aom_highbd_filter_block1d4_h8_sse2 |
| #define aom_highbd_filter_block1d4_h2_avx2 aom_highbd_filter_block1d4_h2_sse2 |
| #define aom_highbd_filter_block1d4_v8_avx2 aom_highbd_filter_block1d4_v8_sse2 |
| #define aom_highbd_filter_block1d4_v2_avx2 aom_highbd_filter_block1d4_v2_sse2 |
| |
| HIGH_FUN_CONV_1D(horiz, x_step_q4, filter_x, h, src, , avx2); |
| HIGH_FUN_CONV_1D(vert, y_step_q4, filter_y, v, src - src_stride * 3, , avx2); |
| |
| #undef HIGHBD_FUNC |
