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/*
* Copyright (c) 2018, 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 <emmintrin.h>
#include <immintrin.h>
#include "config/av1_rtcd.h"
#include "aom_dsp/aom_dsp_common.h"
#include "aom_dsp/aom_filter.h"
#include "aom_dsp/x86/convolve_avx2.h"
#include "aom_dsp/x86/convolve_common_intrin.h"
#include "aom_dsp/x86/convolve_sse4_1.h"
#include "aom_dsp/x86/mem_sse2.h"
#include "aom_dsp/x86/synonyms_avx2.h"
#include "av1/common/convolve.h"
static inline __m256i unpack_weights_avx2(ConvolveParams *conv_params) {
const int w0 = conv_params->fwd_offset;
const int w1 = conv_params->bck_offset;
const __m256i wt0 = _mm256_set1_epi16((int16_t)w0);
const __m256i wt1 = _mm256_set1_epi16((int16_t)w1);
const __m256i wt = _mm256_unpacklo_epi16(wt0, wt1);
return wt;
}
static inline __m256i load_line2_avx2(const void *a, const void *b) {
return _mm256_permute2x128_si256(
_mm256_castsi128_si256(_mm_loadu_si128((__m128i *)a)),
_mm256_castsi128_si256(_mm_loadu_si128((__m128i *)b)), 0x20);
}
void av1_dist_wtd_convolve_x_avx2(const uint8_t *src, int src_stride,
uint8_t *dst0, int dst_stride0, int w, int h,
const InterpFilterParams *filter_params_x,
const int subpel_x_qn,
ConvolveParams *conv_params) {
CONV_BUF_TYPE *dst = conv_params->dst;
int dst_stride = conv_params->dst_stride;
const int bd = 8;
int i, j, is_horiz_4tap = 0;
const int bits = FILTER_BITS - conv_params->round_1;
const __m256i wt = unpack_weights_avx2(conv_params);
const int do_average = conv_params->do_average;
const int use_dist_wtd_comp_avg = conv_params->use_dist_wtd_comp_avg;
const int offset_0 =
bd + 2 * FILTER_BITS - conv_params->round_0 - conv_params->round_1;
const int offset = (1 << offset_0) + (1 << (offset_0 - 1));
const __m256i offset_const = _mm256_set1_epi16(offset);
const int rounding_shift =
2 * FILTER_BITS - conv_params->round_0 - conv_params->round_1;
const __m256i rounding_const = _mm256_set1_epi16((1 << rounding_shift) >> 1);
assert(bits >= 0);
assert(conv_params->round_0 > 0);
const __m256i round_const =
_mm256_set1_epi16((1 << (conv_params->round_0 - 1)) >> 1);
const __m128i round_shift = _mm_cvtsi32_si128(conv_params->round_0 - 1);
__m256i filt[4], coeffs[4];
filt[0] = _mm256_load_si256((__m256i const *)filt_global_avx2);
filt[1] = _mm256_load_si256((__m256i const *)(filt_global_avx2 + 32));
prepare_coeffs_lowbd(filter_params_x, subpel_x_qn, coeffs);
// Condition for checking valid horz_filt taps
if (!(_mm256_extract_epi32(_mm256_or_si256(coeffs[0], coeffs[3]), 0)))
is_horiz_4tap = 1;
// horz_filt as 4 tap
if (is_horiz_4tap) {
const int fo_horiz = 1;
const uint8_t *const src_ptr = src - fo_horiz;
for (i = 0; i < h; i += 2) {
const uint8_t *src_data = src_ptr + i * src_stride;
CONV_BUF_TYPE *dst_data = dst + i * dst_stride;
for (j = 0; j < w; j += 8) {
const __m256i data =
load_line2_avx2(&src_data[j], &src_data[j + src_stride]);
__m256i res = convolve_lowbd_x_4tap(data, coeffs + 1, filt);
res = _mm256_sra_epi16(_mm256_add_epi16(res, round_const), round_shift);
res = _mm256_slli_epi16(res, bits);
const __m256i res_unsigned = _mm256_add_epi16(res, offset_const);
// Accumulate values into the destination buffer
if (do_average) {
const __m256i data_ref_0 =
load_line2_avx2(&dst_data[j], &dst_data[j + dst_stride]);
const __m256i comp_avg_res =
comp_avg(&data_ref_0, &res_unsigned, &wt, use_dist_wtd_comp_avg);
const __m256i round_result = convolve_rounding(
&comp_avg_res, &offset_const, &rounding_const, rounding_shift);
const __m256i res_8 = _mm256_packus_epi16(round_result, round_result);
const __m128i res_0 = _mm256_castsi256_si128(res_8);
const __m128i res_1 = _mm256_extracti128_si256(res_8, 1);
if (w > 4) {
_mm_storel_epi64((__m128i *)(&dst0[i * dst_stride0 + j]), res_0);
_mm_storel_epi64(
(__m128i *)((&dst0[i * dst_stride0 + j + dst_stride0])), res_1);
} else {
*(int *)(&dst0[i * dst_stride0 + j]) = _mm_cvtsi128_si32(res_0);
*(int *)(&dst0[i * dst_stride0 + j + dst_stride0]) =
_mm_cvtsi128_si32(res_1);
}
} else {
const __m128i res_0 = _mm256_castsi256_si128(res_unsigned);
_mm_store_si128((__m128i *)(&dst[i * dst_stride + j]), res_0);
const __m128i res_1 = _mm256_extracti128_si256(res_unsigned, 1);
_mm_store_si128((__m128i *)(&dst[i * dst_stride + j + dst_stride]),
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));
for (i = 0; i < h; i += 2) {
const uint8_t *src_data = src_ptr + i * src_stride;
CONV_BUF_TYPE *dst_data = dst + i * dst_stride;
for (j = 0; j < w; j += 8) {
const __m256i data =
load_line2_avx2(&src_data[j], &src_data[j + src_stride]);
__m256i res = convolve_lowbd_x(data, coeffs, filt);
res = _mm256_sra_epi16(_mm256_add_epi16(res, round_const), round_shift);
res = _mm256_slli_epi16(res, bits);
const __m256i res_unsigned = _mm256_add_epi16(res, offset_const);
// Accumulate values into the destination buffer
if (do_average) {
const __m256i data_ref_0 =
load_line2_avx2(&dst_data[j], &dst_data[j + dst_stride]);
const __m256i comp_avg_res =
comp_avg(&data_ref_0, &res_unsigned, &wt, use_dist_wtd_comp_avg);
const __m256i round_result = convolve_rounding(
&comp_avg_res, &offset_const, &rounding_const, rounding_shift);
const __m256i res_8 = _mm256_packus_epi16(round_result, round_result);
const __m128i res_0 = _mm256_castsi256_si128(res_8);
const __m128i res_1 = _mm256_extracti128_si256(res_8, 1);
if (w > 4) {
_mm_storel_epi64((__m128i *)(&dst0[i * dst_stride0 + j]), res_0);
_mm_storel_epi64(
(__m128i *)((&dst0[i * dst_stride0 + j + dst_stride0])), res_1);
} else {
*(int *)(&dst0[i * dst_stride0 + j]) = _mm_cvtsi128_si32(res_0);
*(int *)(&dst0[i * dst_stride0 + j + dst_stride0]) =
_mm_cvtsi128_si32(res_1);
}
} else {
const __m128i res_0 = _mm256_castsi256_si128(res_unsigned);
_mm_store_si128((__m128i *)(&dst[i * dst_stride + j]), res_0);
const __m128i res_1 = _mm256_extracti128_si256(res_unsigned, 1);
_mm_store_si128((__m128i *)(&dst[i * dst_stride + j + dst_stride]),
res_1);
}
}
}
}
}
void av1_dist_wtd_convolve_y_avx2(const uint8_t *src, int src_stride,
uint8_t *dst0, int dst_stride0, int w, int h,
const InterpFilterParams *filter_params_y,
const int subpel_y_qn,
ConvolveParams *conv_params) {
CONV_BUF_TYPE *dst = conv_params->dst;
int dst_stride = conv_params->dst_stride;
const int bd = 8;
int i, j, is_vert_4tap = 0;
// +1 to compensate for dividing the filter coeffs by 2
const int left_shift = FILTER_BITS - conv_params->round_0 + 1;
const __m256i round_const =
_mm256_set1_epi32((1 << conv_params->round_1) >> 1);
const __m128i round_shift = _mm_cvtsi32_si128(conv_params->round_1);
const __m256i wt = unpack_weights_avx2(conv_params);
const int do_average = conv_params->do_average;
const int use_dist_wtd_comp_avg = conv_params->use_dist_wtd_comp_avg;
const int offset_0 =
bd + 2 * FILTER_BITS - conv_params->round_0 - conv_params->round_1;
const int offset = (1 << offset_0) + (1 << (offset_0 - 1));
const __m256i offset_const = _mm256_set1_epi16(offset);
const int offset_1 = (1 << (bd + FILTER_BITS - 2));
const __m256i offset_const_1 = _mm256_set1_epi16(offset_1);
const __m256i offset_const_2 = _mm256_set1_epi16((1 << offset_0));
const int rounding_shift =
2 * FILTER_BITS - conv_params->round_0 - conv_params->round_1;
const __m256i rounding_const = _mm256_set1_epi16((1 << rounding_shift) >> 1);
const __m256i zero = _mm256_setzero_si256();
__m256i coeffs[4], s[8];
assert((FILTER_BITS - conv_params->round_0) >= 0);
prepare_coeffs_lowbd(filter_params_y, subpel_y_qn, coeffs);
// Condition for checking valid vert_filt taps
if (!(_mm256_extract_epi32(_mm256_or_si256(coeffs[0], coeffs[3]), 0)))
is_vert_4tap = 1;
if (is_vert_4tap) {
const int fo_vert = 1;
const uint8_t *const src_ptr = src - fo_vert * src_stride;
for (j = 0; j < w; j += 16) {
const uint8_t *data = &src_ptr[j];
__m256i src4;
// Load lines a and b. Line a to lower 128, line b to upper 128
{
__m256i src_ab[4];
__m256i src_a[5];
src_a[0] = _mm256_castsi128_si256(_mm_loadu_si128((__m128i *)data));
for (int kk = 0; kk < 4; ++kk) {
data += src_stride;
src_a[kk + 1] =
_mm256_castsi128_si256(_mm_loadu_si128((__m128i *)data));
src_ab[kk] =
_mm256_permute2x128_si256(src_a[kk], src_a[kk + 1], 0x20);
}
src4 = src_a[4];
s[0] = _mm256_unpacklo_epi8(src_ab[0], src_ab[1]);
s[1] = _mm256_unpacklo_epi8(src_ab[2], src_ab[3]);
s[3] = _mm256_unpackhi_epi8(src_ab[0], src_ab[1]);
s[4] = _mm256_unpackhi_epi8(src_ab[2], src_ab[3]);
}
for (i = 0; i < h; i += 2) {
data = &src_ptr[(i + 5) * src_stride + j];
const __m256i src5 =
_mm256_castsi128_si256(_mm_loadu_si128((__m128i *)data));
const __m256i src_45a = _mm256_permute2x128_si256(src4, src5, 0x20);
src4 = _mm256_castsi128_si256(
_mm_loadu_si128((__m128i *)(data + src_stride)));
const __m256i src_56a = _mm256_permute2x128_si256(src5, src4, 0x20);
s[2] = _mm256_unpacklo_epi8(src_45a, src_56a);
s[5] = _mm256_unpackhi_epi8(src_45a, src_56a);
__m256i res_lo = convolve_lowbd_4tap(s, coeffs + 1);
res_lo = _mm256_add_epi16(res_lo, offset_const_1);
const __m256i res_lo_0_32b = _mm256_unpacklo_epi16(res_lo, zero);
const __m256i res_lo_0_shift =
_mm256_slli_epi32(res_lo_0_32b, left_shift);
const __m256i res_lo_0_round = _mm256_sra_epi32(
_mm256_add_epi32(res_lo_0_shift, round_const), round_shift);
const __m256i res_lo_1_32b = _mm256_unpackhi_epi16(res_lo, zero);
const __m256i res_lo_1_shift =
_mm256_slli_epi32(res_lo_1_32b, left_shift);
const __m256i res_lo_1_round = _mm256_sra_epi32(
_mm256_add_epi32(res_lo_1_shift, round_const), round_shift);
const __m256i res_lo_round =
_mm256_packs_epi32(res_lo_0_round, res_lo_1_round);
const __m256i res_lo_unsigned =
_mm256_add_epi16(res_lo_round, offset_const_2);
if (w - j < 16) {
if (do_average) {
const __m256i data_ref_0 =
load_line2_avx2(&dst[i * dst_stride + j],
&dst[i * dst_stride + j + dst_stride]);
const __m256i comp_avg_res = comp_avg(&data_ref_0, &res_lo_unsigned,
&wt, use_dist_wtd_comp_avg);
const __m256i round_result = convolve_rounding(
&comp_avg_res, &offset_const, &rounding_const, rounding_shift);
const __m256i res_8 =
_mm256_packus_epi16(round_result, round_result);
const __m128i res_0 = _mm256_castsi256_si128(res_8);
const __m128i res_1 = _mm256_extracti128_si256(res_8, 1);
if (w - j > 4) {
_mm_storel_epi64((__m128i *)(&dst0[i * dst_stride0 + j]), res_0);
_mm_storel_epi64(
(__m128i *)((&dst0[i * dst_stride0 + j + dst_stride0])),
res_1);
} else {
*(int *)(&dst0[i * dst_stride0 + j]) = _mm_cvtsi128_si32(res_0);
*(int *)(&dst0[i * dst_stride0 + j + dst_stride0]) =
_mm_cvtsi128_si32(res_1);
}
} else {
const __m128i res_0 = _mm256_castsi256_si128(res_lo_unsigned);
_mm_store_si128((__m128i *)(&dst[i * dst_stride + j]), res_0);
const __m128i res_1 = _mm256_extracti128_si256(res_lo_unsigned, 1);
_mm_store_si128((__m128i *)(&dst[i * dst_stride + j + dst_stride]),
res_1);
}
} else {
__m256i res_hi = convolve_lowbd_4tap(s + 3, coeffs + 1);
res_hi = _mm256_add_epi16(res_hi, offset_const_1);
const __m256i res_hi_0_32b = _mm256_unpacklo_epi16(res_hi, zero);
const __m256i res_hi_0_shift =
_mm256_slli_epi32(res_hi_0_32b, left_shift);
const __m256i res_hi_0_round = _mm256_sra_epi32(
_mm256_add_epi32(res_hi_0_shift, round_const), round_shift);
const __m256i res_hi_1_32b = _mm256_unpackhi_epi16(res_hi, zero);
const __m256i res_hi_1_shift =
_mm256_slli_epi32(res_hi_1_32b, left_shift);
const __m256i res_hi_1_round = _mm256_sra_epi32(
_mm256_add_epi32(res_hi_1_shift, round_const), round_shift);
const __m256i res_hi_round =
_mm256_packs_epi32(res_hi_0_round, res_hi_1_round);
const __m256i res_hi_unsigned =
_mm256_add_epi16(res_hi_round, offset_const_2);
if (do_average) {
const __m256i data_ref_0_lo =
load_line2_avx2(&dst[i * dst_stride + j],
&dst[i * dst_stride + j + dst_stride]);
const __m256i data_ref_0_hi =
load_line2_avx2(&dst[i * dst_stride + j + 8],
&dst[i * dst_stride + j + 8 + dst_stride]);
const __m256i comp_avg_res_lo = comp_avg(
&data_ref_0_lo, &res_lo_unsigned, &wt, use_dist_wtd_comp_avg);
const __m256i comp_avg_res_hi = comp_avg(
&data_ref_0_hi, &res_hi_unsigned, &wt, use_dist_wtd_comp_avg);
const __m256i round_result_lo =
convolve_rounding(&comp_avg_res_lo, &offset_const,
&rounding_const, rounding_shift);
const __m256i round_result_hi =
convolve_rounding(&comp_avg_res_hi, &offset_const,
&rounding_const, rounding_shift);
const __m256i res_8 =
_mm256_packus_epi16(round_result_lo, round_result_hi);
const __m128i res_0 = _mm256_castsi256_si128(res_8);
const __m128i res_1 = _mm256_extracti128_si256(res_8, 1);
_mm_store_si128((__m128i *)(&dst0[i * dst_stride0 + j]), res_0);
_mm_store_si128(
(__m128i *)((&dst0[i * dst_stride0 + j + dst_stride0])), res_1);
} else {
const __m128i res_lo_0 = _mm256_castsi256_si128(res_lo_unsigned);
_mm_store_si128((__m128i *)(&dst[i * dst_stride + j]), res_lo_0);
const __m128i res_lo_1 =
_mm256_extracti128_si256(res_lo_unsigned, 1);
_mm_store_si128((__m128i *)(&dst[i * dst_stride + j + dst_stride]),
res_lo_1);
const __m128i res_hi_0 = _mm256_castsi256_si128(res_hi_unsigned);
_mm_store_si128((__m128i *)(&dst[i * dst_stride + j + 8]),
res_hi_0);
const __m128i res_hi_1 =
_mm256_extracti128_si256(res_hi_unsigned, 1);
_mm_store_si128(
(__m128i *)(&dst[i * dst_stride + j + 8 + dst_stride]),
res_hi_1);
}
}
s[0] = s[1];
s[1] = s[2];
s[3] = s[4];
s[4] = s[5];
}
}
} else {
const int fo_vert = filter_params_y->taps / 2 - 1;
const uint8_t *const src_ptr = src - fo_vert * src_stride;
for (j = 0; j < w; j += 16) {
const uint8_t *data = &src_ptr[j];
__m256i src6;
// Load lines a and b. Line a to lower 128, line b to upper 128
{
__m256i src_ab[7];
__m256i src_a[7];
src_a[0] = _mm256_castsi128_si256(_mm_loadu_si128((__m128i *)data));
for (int kk = 0; kk < 6; ++kk) {
data += src_stride;
src_a[kk + 1] =
_mm256_castsi128_si256(_mm_loadu_si128((__m128i *)data));
src_ab[kk] =
_mm256_permute2x128_si256(src_a[kk], src_a[kk + 1], 0x20);
}
src6 = src_a[6];
s[0] = _mm256_unpacklo_epi8(src_ab[0], src_ab[1]);
s[1] = _mm256_unpacklo_epi8(src_ab[2], src_ab[3]);
s[2] = _mm256_unpacklo_epi8(src_ab[4], src_ab[5]);
s[4] = _mm256_unpackhi_epi8(src_ab[0], src_ab[1]);
s[5] = _mm256_unpackhi_epi8(src_ab[2], src_ab[3]);
s[6] = _mm256_unpackhi_epi8(src_ab[4], src_ab[5]);
}
for (i = 0; i < h; i += 2) {
data = &src_ptr[(i + 7) * src_stride + j];
const __m256i src7 =
_mm256_castsi128_si256(_mm_loadu_si128((__m128i *)data));
const __m256i src_67a = _mm256_permute2x128_si256(src6, src7, 0x20);
src6 = _mm256_castsi128_si256(
_mm_loadu_si128((__m128i *)(data + src_stride)));
const __m256i src_78a = _mm256_permute2x128_si256(src7, src6, 0x20);
s[3] = _mm256_unpacklo_epi8(src_67a, src_78a);
s[7] = _mm256_unpackhi_epi8(src_67a, src_78a);
__m256i res_lo = convolve_lowbd(s, coeffs);
res_lo = _mm256_add_epi16(res_lo, offset_const_1);
const __m256i res_lo_0_32b = _mm256_unpacklo_epi16(res_lo, zero);
const __m256i res_lo_0_shift =
_mm256_slli_epi32(res_lo_0_32b, left_shift);
const __m256i res_lo_0_round = _mm256_sra_epi32(
_mm256_add_epi32(res_lo_0_shift, round_const), round_shift);
const __m256i res_lo_1_32b = _mm256_unpackhi_epi16(res_lo, zero);
const __m256i res_lo_1_shift =
_mm256_slli_epi32(res_lo_1_32b, left_shift);
const __m256i res_lo_1_round = _mm256_sra_epi32(
_mm256_add_epi32(res_lo_1_shift, round_const), round_shift);
const __m256i res_lo_round =
_mm256_packs_epi32(res_lo_0_round, res_lo_1_round);
const __m256i res_lo_unsigned =
_mm256_add_epi16(res_lo_round, offset_const_2);
if (w - j < 16) {
if (do_average) {
const __m256i data_ref_0 =
load_line2_avx2(&dst[i * dst_stride + j],
&dst[i * dst_stride + j + dst_stride]);
const __m256i comp_avg_res = comp_avg(&data_ref_0, &res_lo_unsigned,
&wt, use_dist_wtd_comp_avg);
const __m256i round_result = convolve_rounding(
&comp_avg_res, &offset_const, &rounding_const, rounding_shift);
const __m256i res_8 =
_mm256_packus_epi16(round_result, round_result);
const __m128i res_0 = _mm256_castsi256_si128(res_8);
const __m128i res_1 = _mm256_extracti128_si256(res_8, 1);
if (w - j > 4) {
_mm_storel_epi64((__m128i *)(&dst0[i * dst_stride0 + j]), res_0);
_mm_storel_epi64(
(__m128i *)((&dst0[i * dst_stride0 + j + dst_stride0])),
res_1);
} else {
*(int *)(&dst0[i * dst_stride0 + j]) = _mm_cvtsi128_si32(res_0);
*(int *)(&dst0[i * dst_stride0 + j + dst_stride0]) =
_mm_cvtsi128_si32(res_1);
}
} else {
const __m128i res_0 = _mm256_castsi256_si128(res_lo_unsigned);
_mm_store_si128((__m128i *)(&dst[i * dst_stride + j]), res_0);
const __m128i res_1 = _mm256_extracti128_si256(res_lo_unsigned, 1);
_mm_store_si128((__m128i *)(&dst[i * dst_stride + j + dst_stride]),
res_1);
}
} else {
__m256i res_hi = convolve_lowbd(s + 4, coeffs);
res_hi = _mm256_add_epi16(res_hi, offset_const_1);
const __m256i res_hi_0_32b = _mm256_unpacklo_epi16(res_hi, zero);
const __m256i res_hi_0_shift =
_mm256_slli_epi32(res_hi_0_32b, left_shift);
const __m256i res_hi_0_round = _mm256_sra_epi32(
_mm256_add_epi32(res_hi_0_shift, round_const), round_shift);
const __m256i res_hi_1_32b = _mm256_unpackhi_epi16(res_hi, zero);
const __m256i res_hi_1_shift =
_mm256_slli_epi32(res_hi_1_32b, left_shift);
const __m256i res_hi_1_round = _mm256_sra_epi32(
_mm256_add_epi32(res_hi_1_shift, round_const), round_shift);
const __m256i res_hi_round =
_mm256_packs_epi32(res_hi_0_round, res_hi_1_round);
const __m256i res_hi_unsigned =
_mm256_add_epi16(res_hi_round, offset_const_2);
if (do_average) {
const __m256i data_ref_0_lo =
load_line2_avx2(&dst[i * dst_stride + j],
&dst[i * dst_stride + j + dst_stride]);
const __m256i data_ref_0_hi =
load_line2_avx2(&dst[i * dst_stride + j + 8],
&dst[i * dst_stride + j + 8 + dst_stride]);
const __m256i comp_avg_res_lo = comp_avg(
&data_ref_0_lo, &res_lo_unsigned, &wt, use_dist_wtd_comp_avg);
const __m256i comp_avg_res_hi = comp_avg(
&data_ref_0_hi, &res_hi_unsigned, &wt, use_dist_wtd_comp_avg);
const __m256i round_result_lo =
convolve_rounding(&comp_avg_res_lo, &offset_const,
&rounding_const, rounding_shift);
const __m256i round_result_hi =
convolve_rounding(&comp_avg_res_hi, &offset_const,
&rounding_const, rounding_shift);
const __m256i res_8 =
_mm256_packus_epi16(round_result_lo, round_result_hi);
const __m128i res_0 = _mm256_castsi256_si128(res_8);
const __m128i res_1 = _mm256_extracti128_si256(res_8, 1);
_mm_store_si128((__m128i *)(&dst0[i * dst_stride0 + j]), res_0);
_mm_store_si128(
(__m128i *)((&dst0[i * dst_stride0 + j + dst_stride0])), res_1);
} else {
const __m128i res_lo_0 = _mm256_castsi256_si128(res_lo_unsigned);
_mm_store_si128((__m128i *)(&dst[i * dst_stride + j]), res_lo_0);
const __m128i res_lo_1 =
_mm256_extracti128_si256(res_lo_unsigned, 1);
_mm_store_si128((__m128i *)(&dst[i * dst_stride + j + dst_stride]),
res_lo_1);
const __m128i res_hi_0 = _mm256_castsi256_si128(res_hi_unsigned);
_mm_store_si128((__m128i *)(&dst[i * dst_stride + j + 8]),
res_hi_0);
const __m128i res_hi_1 =
_mm256_extracti128_si256(res_hi_unsigned, 1);
_mm_store_si128(
(__m128i *)(&dst[i * dst_stride + j + 8 + dst_stride]),
res_hi_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_dist_wtd_convolve_2d_avx2(const uint8_t *src, int src_stride,
uint8_t *dst0, int dst_stride0, int w, int h,
const InterpFilterParams *filter_params_x,
const InterpFilterParams *filter_params_y,
const int subpel_x_qn, const int subpel_y_qn,
ConvolveParams *conv_params) {
CONV_BUF_TYPE *dst = conv_params->dst;
int dst_stride = conv_params->dst_stride;
const int bd = 8;
DECLARE_ALIGNED(32, int16_t, im_block[(MAX_SB_SIZE + MAX_FILTER_TAP) * 8]);
int im_stride = 8;
int i, is_horiz_4tap = 0, is_vert_4tap = 0;
const __m256i wt = unpack_weights_avx2(conv_params);
const int do_average = conv_params->do_average;
const int use_dist_wtd_comp_avg = conv_params->use_dist_wtd_comp_avg;
const int offset_0 =
bd + 2 * FILTER_BITS - conv_params->round_0 - conv_params->round_1;
const int offset = (1 << offset_0) + (1 << (offset_0 - 1));
const __m256i offset_const = _mm256_set1_epi16(offset);
const int rounding_shift =
2 * FILTER_BITS - conv_params->round_0 - conv_params->round_1;
const __m256i rounding_const = _mm256_set1_epi16((1 << rounding_shift) >> 1);
assert(conv_params->round_0 > 0);
const __m256i round_const_h = _mm256_set1_epi16(
((1 << (conv_params->round_0 - 1)) >> 1) + (1 << (bd + FILTER_BITS - 2)));
const __m128i round_shift_h = _mm_cvtsi32_si128(conv_params->round_0 - 1);
const __m256i round_const_v = _mm256_set1_epi32(
((1 << conv_params->round_1) >> 1) -
(1 << (bd + 2 * FILTER_BITS - conv_params->round_0 - 1)));
const __m128i round_shift_v = _mm_cvtsi32_si128(conv_params->round_1);
__m256i filt[4], coeffs_x[4], coeffs_y[4];
filt[0] = _mm256_load_si256((__m256i const *)filt_global_avx2);
filt[1] = _mm256_load_si256((__m256i const *)(filt_global_avx2 + 32));
prepare_coeffs_lowbd(filter_params_x, subpel_x_qn, coeffs_x);
prepare_coeffs(filter_params_y, subpel_y_qn, coeffs_y);
// Condition for checking valid horz_filt taps
if (!(_mm256_extract_epi32(_mm256_or_si256(coeffs_x[0], coeffs_x[3]), 0)))
is_horiz_4tap = 1;
// Condition for checking valid vert_filt taps
if (!(_mm256_extract_epi32(_mm256_or_si256(coeffs_y[0], coeffs_y[3]), 0)))
is_vert_4tap = 1;
if (is_horiz_4tap) {
int im_h = h + filter_params_y->taps - 1;
const int fo_vert = filter_params_y->taps / 2 - 1;
const int fo_horiz = 1;
const uint8_t *const src_ptr = src - fo_vert * src_stride - fo_horiz;
for (int j = 0; j < w; j += 8) {
/* Horizontal filter */
const uint8_t *src_h = src_ptr + j;
for (i = 0; i < im_h; i += 2) {
__m256i data =
_mm256_castsi128_si256(_mm_loadu_si128((__m128i *)src_h));
if (i + 1 < im_h)
data = _mm256_inserti128_si256(
data, _mm_loadu_si128((__m128i *)(src_h + src_stride)), 1);
src_h += (src_stride << 1);
__m256i res = convolve_lowbd_x_4tap(data, coeffs_x + 1, filt);
res = _mm256_sra_epi16(_mm256_add_epi16(res, round_const_h),
round_shift_h);
_mm256_store_si256((__m256i *)&im_block[i * im_stride], res);
}
DIST_WTD_CONVOLVE_VERTICAL_FILTER_8TAP;
}
} else if (is_vert_4tap) {
int im_h = h + 3;
const int fo_vert = 1;
const int fo_horiz = filter_params_x->taps / 2 - 1;
const uint8_t *const src_ptr = src - fo_vert * src_stride - 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));
for (int j = 0; j < w; j += 8) {
/* Horizontal filter */
const uint8_t *src_h = src_ptr + j;
DIST_WTD_CONVOLVE_HORIZONTAL_FILTER_8TAP;
/* Vertical filter */
__m256i s[6];
__m256i s0 = _mm256_loadu_si256((__m256i *)(im_block + 0 * im_stride));
__m256i s1 = _mm256_loadu_si256((__m256i *)(im_block + 1 * im_stride));
__m256i s2 = _mm256_loadu_si256((__m256i *)(im_block + 2 * im_stride));
__m256i s3 = _mm256_loadu_si256((__m256i *)(im_block + 3 * im_stride));
s[0] = _mm256_unpacklo_epi16(s0, s1);
s[1] = _mm256_unpacklo_epi16(s2, s3);
s[3] = _mm256_unpackhi_epi16(s0, s1);
s[4] = _mm256_unpackhi_epi16(s2, s3);
for (i = 0; i < h; i += 2) {
const int16_t *data = &im_block[i * im_stride];
const __m256i s4 =
_mm256_loadu_si256((__m256i *)(data + 4 * im_stride));
const __m256i s5 =
_mm256_loadu_si256((__m256i *)(data + 5 * im_stride));
s[2] = _mm256_unpacklo_epi16(s4, s5);
s[5] = _mm256_unpackhi_epi16(s4, s5);
const __m256i res_a = convolve_4tap(s, coeffs_y + 1);
const __m256i res_a_round = _mm256_sra_epi32(
_mm256_add_epi32(res_a, round_const_v), round_shift_v);
if (w - j > 4) {
const __m256i res_b = convolve_4tap(s + 3, coeffs_y + 1);
const __m256i res_b_round = _mm256_sra_epi32(
_mm256_add_epi32(res_b, round_const_v), round_shift_v);
const __m256i res_16b = _mm256_packs_epi32(res_a_round, res_b_round);
const __m256i res_unsigned = _mm256_add_epi16(res_16b, offset_const);
if (do_average) {
const __m256i data_ref_0 =
load_line2_avx2(&dst[i * dst_stride + j],
&dst[i * dst_stride + j + dst_stride]);
const __m256i comp_avg_res = comp_avg(&data_ref_0, &res_unsigned,
&wt, use_dist_wtd_comp_avg);
const __m256i round_result = convolve_rounding(
&comp_avg_res, &offset_const, &rounding_const, rounding_shift);
const __m256i res_8 =
_mm256_packus_epi16(round_result, round_result);
const __m128i res_0 = _mm256_castsi256_si128(res_8);
const __m128i res_1 = _mm256_extracti128_si256(res_8, 1);
_mm_storel_epi64((__m128i *)(&dst0[i * dst_stride0 + j]), res_0);
_mm_storel_epi64(
(__m128i *)((&dst0[i * dst_stride0 + j + dst_stride0])), res_1);
} else {
const __m128i res_0 = _mm256_castsi256_si128(res_unsigned);
_mm_store_si128((__m128i *)(&dst[i * dst_stride + j]), res_0);
const __m128i res_1 = _mm256_extracti128_si256(res_unsigned, 1);
_mm_store_si128((__m128i *)(&dst[i * dst_stride + j + dst_stride]),
res_1);
}
} else {
const __m256i res_16b = _mm256_packs_epi32(res_a_round, res_a_round);
const __m256i res_unsigned = _mm256_add_epi16(res_16b, offset_const);
if (do_average) {
const __m256i data_ref_0 =
load_line2_avx2(&dst[i * dst_stride + j],
&dst[i * dst_stride + j + dst_stride]);
const __m256i comp_avg_res = comp_avg(&data_ref_0, &res_unsigned,
&wt, use_dist_wtd_comp_avg);
const __m256i round_result = convolve_rounding(
&comp_avg_res, &offset_const, &rounding_const, rounding_shift);
const __m256i res_8 =
_mm256_packus_epi16(round_result, round_result);
const __m128i res_0 = _mm256_castsi256_si128(res_8);
const __m128i res_1 = _mm256_extracti128_si256(res_8, 1);
*(int *)(&dst0[i * dst_stride0 + j]) = _mm_cvtsi128_si32(res_0);
*(int *)(&dst0[i * dst_stride0 + j + dst_stride0]) =
_mm_cvtsi128_si32(res_1);
} else {
const __m128i res_0 = _mm256_castsi256_si128(res_unsigned);
_mm_store_si128((__m128i *)(&dst[i * dst_stride + j]), res_0);
const __m128i res_1 = _mm256_extracti128_si256(res_unsigned, 1);
_mm_store_si128((__m128i *)(&dst[i * dst_stride + j + dst_stride]),
res_1);
}
}
s[0] = s[1];
s[1] = s[2];
s[3] = s[4];
s[4] = s[5];
}
}
} else {
int im_h = h + filter_params_y->taps - 1;
const int fo_vert = filter_params_y->taps / 2 - 1;
const int fo_horiz = filter_params_x->taps / 2 - 1;
const uint8_t *const src_ptr = src - fo_vert * src_stride - 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));
for (int j = 0; j < w; j += 8) {
/* Horizontal filter */
const uint8_t *src_h = src_ptr + j;
DIST_WTD_CONVOLVE_HORIZONTAL_FILTER_8TAP;
DIST_WTD_CONVOLVE_VERTICAL_FILTER_8TAP;
}
}
}
#define DO_NO_AVG_2D_COPY_4X16(r0, c0, r1, c1, r2, c2, r3, c3) \
do { \
src_0 = _mm256_cvtepu8_epi16( \
_mm_loadu_si128((__m128i *)(&src[r0 * src_stride + c0]))); \
src_1 = _mm256_cvtepu8_epi16( \
_mm_loadu_si128((__m128i *)(&src[r1 * src_stride + c1]))); \
src_2 = _mm256_cvtepu8_epi16( \
_mm_loadu_si128((__m128i *)(&src[r2 * src_stride + c2]))); \
src_3 = _mm256_cvtepu8_epi16( \
_mm_loadu_si128((__m128i *)(&src[r3 * src_stride + c3]))); \
\
src_0 = _mm256_slli_epi16(src_0, LEFT_SHIFT); \
src_1 = _mm256_slli_epi16(src_1, LEFT_SHIFT); \
src_2 = _mm256_slli_epi16(src_2, LEFT_SHIFT); \
src_3 = _mm256_slli_epi16(src_3, LEFT_SHIFT); \
\
src_0 = _mm256_add_epi16(src_0, offset_const); \
src_1 = _mm256_add_epi16(src_1, offset_const); \
src_2 = _mm256_add_epi16(src_2, offset_const); \
src_3 = _mm256_add_epi16(src_3, offset_const); \
\
_mm256_store_si256((__m256i *)(&dst[r0 * dst_stride + c0]), src_0); \
_mm256_store_si256((__m256i *)(&dst[r1 * dst_stride + c1]), src_1); \
_mm256_store_si256((__m256i *)(&dst[r2 * dst_stride + c2]), src_2); \
_mm256_store_si256((__m256i *)(&dst[r3 * dst_stride + c3]), src_3); \
} while (0)
#define LEFT_SHIFT (2 * FILTER_BITS - 3 - 7)
static inline void av1_dist_wtd_convolve_2d_no_avg_copy_avx2(
const uint8_t *src, int src_stride, CONV_BUF_TYPE *dst, int dst_stride,
int w, int h, const __m256i offset_const) {
int i = h;
if (w >= 16) {
__m256i src_0, src_1, src_2, src_3;
if (w == 128) {
do {
DO_NO_AVG_2D_COPY_4X16(0, 0, 0, 16, 0, 32, 0, 48);
DO_NO_AVG_2D_COPY_4X16(0, 64, 0, 80, 0, 96, 0, 112);
src += 1 * src_stride;
dst += 1 * dst_stride;
i -= 1;
} while (i);
} else if (w == 64) {
do {
DO_NO_AVG_2D_COPY_4X16(0, 0, 0, 16, 0, 32, 0, 48);
src += 1 * src_stride;
dst += 1 * dst_stride;
i -= 1;
} while (i);
} else if (w == 32) {
do {
DO_NO_AVG_2D_COPY_4X16(0, 0, 1, 0, 0, 16, 1, 16);
src += 2 * src_stride;
dst += 2 * dst_stride;
i -= 2;
} while (i);
} else if (w == 16) {
do {
DO_NO_AVG_2D_COPY_4X16(0, 0, 1, 0, 2, 0, 3, 0);
src += 4 * src_stride;
dst += 4 * dst_stride;
i -= 4;
} while (i);
}
} else {
const __m256i zero = _mm256_setzero_si256();
do {
const __m128i src_row_0 =
_mm_loadl_epi64((__m128i *)(&src[0 * src_stride]));
const __m128i src_row_1 =
_mm_loadl_epi64((__m128i *)(&src[1 * src_stride]));
const __m128i src_row_2 =
_mm_loadl_epi64((__m128i *)(&src[2 * src_stride]));
const __m128i src_row_3 =
_mm_loadl_epi64((__m128i *)(&src[3 * src_stride]));
__m256i src_10 = _mm256_insertf128_si256(
_mm256_castsi128_si256(src_row_0), src_row_1, 1);
__m256i src_32 = _mm256_insertf128_si256(
_mm256_castsi128_si256(src_row_2), src_row_3, 1);
src_10 = _mm256_unpacklo_epi8(src_10, zero);
src_32 = _mm256_unpacklo_epi8(src_32, zero);
src_10 = _mm256_slli_epi16(src_10, LEFT_SHIFT);
src_32 = _mm256_slli_epi16(src_32, LEFT_SHIFT);
src_10 = _mm256_add_epi16(src_10, offset_const);
src_32 = _mm256_add_epi16(src_32, offset_const);
// Accumulate values into the destination buffer
_mm_store_si128((__m128i *)(&dst[0 * dst_stride]),
_mm256_castsi256_si128(src_10));
_mm_store_si128((__m128i *)(&dst[1 * dst_stride]),
_mm256_extracti128_si256(src_10, 1));
_mm_store_si128((__m128i *)(&dst[2 * dst_stride]),
_mm256_castsi256_si128(src_32));
_mm_store_si128((__m128i *)(&dst[3 * dst_stride]),
_mm256_extracti128_si256(src_32, 1));
src += 4 * src_stride;
dst += 4 * dst_stride;
i -= 4;
} while (i);
}
}
#define DO_AVG_2D_COPY_4X16(USE_DIST_WEIGHTED, r0, c0, r1, c1, r2, c2, r3, c3) \
do { \
src_0 = _mm256_cvtepu8_epi16( \
_mm_loadu_si128((__m128i *)(&src[r0 * src_stride + c0]))); \
src_1 = _mm256_cvtepu8_epi16( \
_mm_loadu_si128((__m128i *)(&src[r1 * src_stride + c1]))); \
src_2 = _mm256_cvtepu8_epi16( \
_mm_loadu_si128((__m128i *)(&src[r2 * src_stride + c2]))); \
src_3 = _mm256_cvtepu8_epi16( \
_mm_loadu_si128((__m128i *)(&src[r3 * src_stride + c3]))); \
\
src_0 = _mm256_slli_epi16(src_0, LEFT_SHIFT); \
src_1 = _mm256_slli_epi16(src_1, LEFT_SHIFT); \
src_2 = _mm256_slli_epi16(src_2, LEFT_SHIFT); \
src_3 = _mm256_slli_epi16(src_3, LEFT_SHIFT); \
src_0 = _mm256_add_epi16(src_0, offset_const); \
src_1 = _mm256_add_epi16(src_1, offset_const); \
src_2 = _mm256_add_epi16(src_2, offset_const); \
src_3 = _mm256_add_epi16(src_3, offset_const); \
\
ref_0 = _mm256_loadu_si256((__m256i *)(&dst[r0 * dst_stride + c0])); \
ref_1 = _mm256_loadu_si256((__m256i *)(&dst[r1 * dst_stride + c1])); \
ref_2 = _mm256_loadu_si256((__m256i *)(&dst[r2 * dst_stride + c2])); \
ref_3 = _mm256_loadu_si256((__m256i *)(&dst[r3 * dst_stride + c3])); \
\
res_0 = comp_avg(&ref_0, &src_0, &wt, USE_DIST_WEIGHTED); \
res_1 = comp_avg(&ref_1, &src_1, &wt, USE_DIST_WEIGHTED); \
res_2 = comp_avg(&ref_2, &src_2, &wt, USE_DIST_WEIGHTED); \
res_3 = comp_avg(&ref_3, &src_3, &wt, USE_DIST_WEIGHTED); \
\
res_0 = convolve_rounding(&res_0, &offset_const, &rounding_const, \
rounding_shift); \
res_1 = convolve_rounding(&res_1, &offset_const, &rounding_const, \
rounding_shift); \
res_2 = convolve_rounding(&res_2, &offset_const, &rounding_const, \
rounding_shift); \
res_3 = convolve_rounding(&res_3, &offset_const, &rounding_const, \
rounding_shift); \
\
res_10 = _mm256_packus_epi16(res_0, res_1); \
res_32 = _mm256_packus_epi16(res_2, res_3); \
res_10 = _mm256_permute4x64_epi64(res_10, 0xD8); \
res_32 = _mm256_permute4x64_epi64(res_32, 0xD8); \
\
_mm_store_si128((__m128i *)(&dst0[r0 * dst_stride0 + c0]), \
_mm256_castsi256_si128(res_10)); \
_mm_store_si128((__m128i *)(&dst0[r1 * dst_stride0 + c1]), \
_mm256_extracti128_si256(res_10, 1)); \
_mm_store_si128((__m128i *)(&dst0[r2 * dst_stride0 + c2]), \
_mm256_castsi256_si128(res_32)); \
_mm_store_si128((__m128i *)(&dst0[r3 * dst_stride0 + c3]), \
_mm256_extracti128_si256(res_32, 1)); \
} while (0)
#define DO_AVG_2D_COPY(USE_DIST_WEIGHTED) \
int i = h; \
if (w >= 16) { \
__m256i src_0, src_1, src_2, src_3; \
__m256i ref_0, ref_1, ref_2, ref_3; \
__m256i res_0, res_1, res_2, res_3; \
__m256i res_10, res_32; \
if (w == 128) { \
do { \
DO_AVG_2D_COPY_4X16(USE_DIST_WEIGHTED, 0, 0, 0, 16, 0, 32, 0, 48); \
DO_AVG_2D_COPY_4X16(USE_DIST_WEIGHTED, 0, 64, 0, 80, 0, 96, 0, 112); \
i -= 1; \
src += 1 * src_stride; \
dst += 1 * dst_stride; \
dst0 += 1 * dst_stride0; \
} while (i); \
} else if (w == 64) { \
do { \
DO_AVG_2D_COPY_4X16(USE_DIST_WEIGHTED, 0, 0, 0, 16, 0, 32, 0, 48); \
\
i -= 1; \
src += 1 * src_stride; \
dst += 1 * dst_stride; \
dst0 += 1 * dst_stride0; \
} while (i); \
} else if (w == 32) { \
do { \
DO_AVG_2D_COPY_4X16(USE_DIST_WEIGHTED, 0, 0, 1, 0, 0, 16, 1, 16); \
\
i -= 2; \
src += 2 * src_stride; \
dst += 2 * dst_stride; \
dst0 += 2 * dst_stride0; \
} while (i); \
} else { \
assert(w == 16); \
do { \
DO_AVG_2D_COPY_4X16(USE_DIST_WEIGHTED, 0, 0, 1, 0, 2, 0, 3, 0); \
\
i -= 4; \
src += 4 * src_stride; \
dst += 4 * dst_stride; \
dst0 += 4 * dst_stride0; \
} while (i); \
} \
} else if (w == 8) { \
do { \
const __m128i src_0 = \
_mm_loadl_epi64((__m128i *)(&src[0 * src_stride])); \
const __m128i src_1 = \
_mm_loadl_epi64((__m128i *)(&src[1 * src_stride])); \
const __m128i src_2 = \
_mm_loadl_epi64((__m128i *)(&src[2 * src_stride])); \
const __m128i src_3 = \
_mm_loadl_epi64((__m128i *)(&src[3 * src_stride])); \
__m256i src_10 = \
_mm256_insertf128_si256(_mm256_castsi128_si256(src_0), src_1, 1); \
__m256i src_32 = \
_mm256_insertf128_si256(_mm256_castsi128_si256(src_2), src_3, 1); \
\
src_10 = _mm256_unpacklo_epi8(src_10, zero); \
src_32 = _mm256_unpacklo_epi8(src_32, zero); \
\
src_10 = _mm256_slli_epi16(src_10, LEFT_SHIFT); \
src_32 = _mm256_slli_epi16(src_32, LEFT_SHIFT); \
\
src_10 = _mm256_add_epi16(src_10, offset_const); \
src_32 = _mm256_add_epi16(src_32, offset_const); \
\
const __m256i ref_10 = \
load_line2_avx2(&dst[0 * dst_stride], &dst[1 * dst_stride]); \
const __m256i ref_32 = \
load_line2_avx2(&dst[2 * dst_stride], &dst[3 * dst_stride]); \
__m256i res_10 = comp_avg(&ref_10, &src_10, &wt, USE_DIST_WEIGHTED); \
__m256i res_32 = comp_avg(&ref_32, &src_32, &wt, USE_DIST_WEIGHTED); \
\
res_10 = convolve_rounding(&res_10, &offset_const, &rounding_const, \
rounding_shift); \
res_32 = convolve_rounding(&res_32, &offset_const, &rounding_const, \
rounding_shift); \
\
__m256i res = _mm256_packus_epi16(res_10, res_32); \
const __m128i res_20 = _mm256_castsi256_si128(res); \
const __m128i res_31 = _mm256_extracti128_si256(res, 1); \
\
_mm_storel_epi64((__m128i *)(&dst0[0 * dst_stride0]), res_20); \
_mm_storel_epi64((__m128i *)((&dst0[1 * dst_stride0])), res_31); \
_mm_storeh_epi64((__m128i *)(&dst0[2 * dst_stride0]), res_20); \
_mm_storeh_epi64((__m128i *)((&dst0[3 * dst_stride0])), res_31); \
i -= 4; \
src += 4 * src_stride; \
dst += 4 * dst_stride; \
dst0 += 4 * dst_stride0; \
} while (i); \
} else { \
assert(w == 4); \
do { \
__m256i src_3210_8bit = \
_mm256_setr_epi32(loadu_int32(src + 0 * src_stride), \
loadu_int32(src + 1 * src_stride), 0, 0, \
loadu_int32(src + 2 * src_stride), \
loadu_int32(src + 3 * src_stride), 0, 0); \
\
__m256i src_3210 = _mm256_unpacklo_epi8(src_3210_8bit, zero); \
src_3210 = _mm256_slli_epi16(src_3210, LEFT_SHIFT); \
src_3210 = _mm256_add_epi16(src_3210, offset_const); \
\
__m256i ref_3210 = \
_mm256_setr_epi64x(*(int64_t *)(dst + 0 * dst_stride), \
*(int64_t *)(dst + 1 * dst_stride), \
*(int64_t *)(dst + 2 * dst_stride), \
*(int64_t *)(dst + 3 * dst_stride)); \
__m256i res_3210 = \
comp_avg(&ref_3210, &src_3210, &wt, USE_DIST_WEIGHTED); \
\
res_3210 = convolve_rounding(&res_3210, &offset_const, &rounding_const, \
rounding_shift); \
\
res_3210 = _mm256_packus_epi16(res_3210, res_3210); \
const __m128i res_10 = _mm256_castsi256_si128(res_3210); \
const __m128i res_32 = _mm256_extracti128_si256(res_3210, 1); \
\
*(int *)(&dst0[0 * dst_stride0]) = _mm_cvtsi128_si32(res_10); \
*(int *)(&dst0[2 * dst_stride0]) = _mm_cvtsi128_si32(res_32); \
*(int *)(&dst0[1 * dst_stride0]) = _mm_extract_epi32(res_10, 1); \
*(int *)(&dst0[3 * dst_stride0]) = _mm_extract_epi32(res_32, 1); \
i -= 4; \
src += 4 * src_stride; \
dst += 4 * dst_stride; \
dst0 += 4 * dst_stride0; \
} while (i); \
}
void av1_dist_wtd_convolve_2d_copy_avx2(const uint8_t *src, int src_stride,
uint8_t *dst0, int dst_stride0, int w,
int h, ConvolveParams *conv_params) {
const int bd = 8;
CONV_BUF_TYPE *dst = conv_params->dst;
int dst_stride = conv_params->dst_stride;
assert(conv_params->round_0 == 3);
assert(conv_params->round_1 == 7);
assert(w % 4 == 0);
assert(h % 4 == 0);
const int do_average = conv_params->do_average;
const int use_dist_wtd_comp_avg = conv_params->use_dist_wtd_comp_avg;
const __m256i wt = unpack_weights_avx2(conv_params);
const __m256i zero = _mm256_setzero_si256();
const int offset_0 =
bd + 2 * FILTER_BITS - conv_params->round_0 - conv_params->round_1;
const int offset = (1 << offset_0) + (1 << (offset_0 - 1));
const __m256i offset_const = _mm256_set1_epi16(offset);
const int rounding_shift =
2 * FILTER_BITS - conv_params->round_0 - conv_params->round_1;
const __m256i rounding_const = _mm256_set1_epi16((1 << rounding_shift) >> 1);
if (do_average) {
if (use_dist_wtd_comp_avg) {
DO_AVG_2D_COPY(1)
} else {
DO_AVG_2D_COPY(0)
}
} else {
av1_dist_wtd_convolve_2d_no_avg_copy_avx2(src, src_stride, dst, dst_stride,
w, h, offset_const);
}
}
#undef LEFT_SHIFT