diff options
Diffstat (limited to 'media/libaom/src/aom_dsp/x86/highbd_convolve_avx2.c')
-rw-r--r-- | media/libaom/src/aom_dsp/x86/highbd_convolve_avx2.c | 998 |
1 files changed, 998 insertions, 0 deletions
diff --git a/media/libaom/src/aom_dsp/x86/highbd_convolve_avx2.c b/media/libaom/src/aom_dsp/x86/highbd_convolve_avx2.c new file mode 100644 index 000000000..099fcf7fc --- /dev/null +++ b/media/libaom/src/aom_dsp/x86/highbd_convolve_avx2.c @@ -0,0 +1,998 @@ +/* + * 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 + +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_q4, const int subpel_y_q4, + 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_q4; + (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_q4, 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_q4, const int subpel_y_q4, + 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_q4; + (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_q4, 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 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); +} + +// ----------------------------------------------------------------------------- +// 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); +} + +// ----------------------------------------------------------------------------- +// 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 |