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/*
* Copyright (c) 2017, Alliance for Open Media. All rights reserved.
*
* This source code is subject to the terms of the BSD 2 Clause License and
* the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
* was not distributed with this source code in the LICENSE file, you can
* obtain it at www.aomedia.org/license/software. If the Alliance for Open
* Media Patent License 1.0 was not distributed with this source code in the
* PATENTS file, you can obtain it at www.aomedia.org/license/patent.
*/
#include <immintrin.h>
#include "config/av1_rtcd.h"
#if CONFIG_SVT_AV1
#include "third_party/SVT-AV1/convolve_avx2.h"
#endif
#include "aom_dsp/aom_dsp_common.h"
#include "aom_dsp/x86/convolve_avx2.h"
#include "aom_dsp/x86/convolve_common_intrin.h"
#include "aom_dsp/x86/synonyms.h"
static inline void av1_convolve_y_sr_general_avx2(
const uint8_t *src, int src_stride, uint8_t *dst, int dst_stride, int w,
int h, const InterpFilterParams *filter_params_y, const int subpel_y_qn) {
// right shift is F-1 because we are already dividing
// filter co-efficients by 2
const int right_shift_bits = (FILTER_BITS - 1);
__m128i right_shift = _mm_cvtsi32_si128(right_shift_bits);
__m256i right_shift_const = _mm256_set1_epi16((1 << right_shift_bits) >> 1);
__m256i coeffs[6], s[12];
__m128i d[10];
int i, vert_tap = get_filter_tap(filter_params_y, subpel_y_qn);
if (vert_tap == 6)
prepare_coeffs_6t_lowbd(filter_params_y, subpel_y_qn, coeffs);
else if (vert_tap == 12) {
prepare_coeffs_12taps(filter_params_y, subpel_y_qn, coeffs);
} else {
prepare_coeffs_lowbd(filter_params_y, subpel_y_qn, coeffs);
}
// vert_filt as 4 tap
if (vert_tap == 4) {
const int fo_vert = 1;
const uint8_t *const src_ptr = src - fo_vert * src_stride;
for (int j = 0; j < w; j += 16) {
const uint8_t *data = &src_ptr[j];
d[0] = _mm_loadu_si128((__m128i *)(data + 0 * src_stride));
d[1] = _mm_loadu_si128((__m128i *)(data + 1 * src_stride));
d[2] = _mm_loadu_si128((__m128i *)(data + 2 * src_stride));
d[3] = _mm_loadu_si128((__m128i *)(data + 3 * src_stride));
d[4] = _mm_loadu_si128((__m128i *)(data + 4 * src_stride));
// Load lines a and b. Line a to lower 128, line b to upper 128
const __m256i src_01a = _mm256_permute2x128_si256(
_mm256_castsi128_si256(d[0]), _mm256_castsi128_si256(d[1]), 0x20);
const __m256i src_12a = _mm256_permute2x128_si256(
_mm256_castsi128_si256(d[1]), _mm256_castsi128_si256(d[2]), 0x20);
const __m256i src_23a = _mm256_permute2x128_si256(
_mm256_castsi128_si256(d[2]), _mm256_castsi128_si256(d[3]), 0x20);
const __m256i src_34a = _mm256_permute2x128_si256(
_mm256_castsi128_si256(d[3]), _mm256_castsi128_si256(d[4]), 0x20);
s[0] = _mm256_unpacklo_epi8(src_01a, src_12a);
s[1] = _mm256_unpacklo_epi8(src_23a, src_34a);
s[3] = _mm256_unpackhi_epi8(src_01a, src_12a);
s[4] = _mm256_unpackhi_epi8(src_23a, src_34a);
for (i = 0; i < h; i += 2) {
data = &src_ptr[i * src_stride + j];
d[5] = _mm_loadu_si128((__m128i *)(data + 5 * src_stride));
const __m256i src_45a = _mm256_permute2x128_si256(
_mm256_castsi128_si256(d[4]), _mm256_castsi128_si256(d[5]), 0x20);
d[4] = _mm_loadu_si128((__m128i *)(data + 6 * src_stride));
const __m256i src_56a = _mm256_permute2x128_si256(
_mm256_castsi128_si256(d[5]), _mm256_castsi128_si256(d[4]), 0x20);
s[2] = _mm256_unpacklo_epi8(src_45a, src_56a);
s[5] = _mm256_unpackhi_epi8(src_45a, src_56a);
const __m256i res_lo = convolve_lowbd_4tap(s, coeffs + 1);
/* rounding code */
// shift by F - 1
const __m256i res_16b_lo = _mm256_sra_epi16(
_mm256_add_epi16(res_lo, right_shift_const), right_shift);
// 8 bit conversion and saturation to uint8
__m256i res_8b_lo = _mm256_packus_epi16(res_16b_lo, res_16b_lo);
if (w - j > 8) {
const __m256i res_hi = convolve_lowbd_4tap(s + 3, coeffs + 1);
/* rounding code */
// shift by F - 1
const __m256i res_16b_hi = _mm256_sra_epi16(
_mm256_add_epi16(res_hi, right_shift_const), right_shift);
// 8 bit conversion and saturation to uint8
__m256i res_8b_hi = _mm256_packus_epi16(res_16b_hi, res_16b_hi);
__m256i res_a = _mm256_unpacklo_epi64(res_8b_lo, res_8b_hi);
const __m128i res_0 = _mm256_castsi256_si128(res_a);
const __m128i res_1 = _mm256_extracti128_si256(res_a, 1);
_mm_storeu_si128((__m128i *)&dst[i * dst_stride + j], res_0);
_mm_storeu_si128((__m128i *)&dst[i * dst_stride + j + dst_stride],
res_1);
} else {
const __m128i res_0 = _mm256_castsi256_si128(res_8b_lo);
const __m128i res_1 = _mm256_extracti128_si256(res_8b_lo, 1);
if (w - j > 4) {
_mm_storel_epi64((__m128i *)&dst[i * dst_stride + j], res_0);
_mm_storel_epi64((__m128i *)&dst[i * dst_stride + j + dst_stride],
res_1);
} else if (w - j > 2) {
xx_storel_32(&dst[i * dst_stride + j], res_0);
xx_storel_32(&dst[i * dst_stride + j + dst_stride], res_1);
} else {
__m128i *const p_0 = (__m128i *)&dst[i * dst_stride + j];
__m128i *const p_1 =
(__m128i *)&dst[i * dst_stride + j + dst_stride];
*(uint16_t *)p_0 = (uint16_t)_mm_cvtsi128_si32(res_0);
*(uint16_t *)p_1 = (uint16_t)_mm_cvtsi128_si32(res_1);
}
}
s[0] = s[1];
s[1] = s[2];
s[3] = s[4];
s[4] = s[5];
}
}
} else if (vert_tap == 6) {
const int fo_vert = vert_tap / 2 - 1;
const uint8_t *const src_ptr = src - fo_vert * src_stride;
for (int j = 0; j < w; j += 16) {
const uint8_t *data = &src_ptr[j];
__m256i src6;
d[0] = _mm_loadu_si128((__m128i *)(data + 0 * src_stride));
d[1] = _mm_loadu_si128((__m128i *)(data + 1 * src_stride));
d[2] = _mm_loadu_si128((__m128i *)(data + 2 * src_stride));
d[3] = _mm_loadu_si128((__m128i *)(data + 3 * src_stride));
// Load lines a and b. Line a to lower 128, line b to upper 128
const __m256i src_01a = _mm256_permute2x128_si256(
_mm256_castsi128_si256(d[0]), _mm256_castsi128_si256(d[1]), 0x20);
const __m256i src_12a = _mm256_permute2x128_si256(
_mm256_castsi128_si256(d[1]), _mm256_castsi128_si256(d[2]), 0x20);
const __m256i src_23a = _mm256_permute2x128_si256(
_mm256_castsi128_si256(d[2]), _mm256_castsi128_si256(d[3]), 0x20);
src6 = _mm256_castsi128_si256(
_mm_loadu_si128((__m128i *)(data + 4 * src_stride)));
const __m256i src_34a =
_mm256_permute2x128_si256(_mm256_castsi128_si256(d[3]), src6, 0x20);
s[0] = _mm256_unpacklo_epi8(src_01a, src_12a);
s[1] = _mm256_unpacklo_epi8(src_23a, src_34a);
s[3] = _mm256_unpackhi_epi8(src_01a, src_12a);
s[4] = _mm256_unpackhi_epi8(src_23a, src_34a);
for (i = 0; i < h; i += 2) {
data = &src_ptr[i * src_stride + j];
const __m256i src_45a = _mm256_permute2x128_si256(
src6,
_mm256_castsi128_si256(
_mm_loadu_si128((__m128i *)(data + 5 * src_stride))),
0x20);
src6 = _mm256_castsi128_si256(
_mm_loadu_si128((__m128i *)(data + 6 * src_stride)));
const __m256i src_56a = _mm256_permute2x128_si256(
_mm256_castsi128_si256(
_mm_loadu_si128((__m128i *)(data + 5 * src_stride))),
src6, 0x20);
s[2] = _mm256_unpacklo_epi8(src_45a, src_56a);
s[5] = _mm256_unpackhi_epi8(src_45a, src_56a);
const __m256i res_lo = convolve_lowbd_6tap(s, coeffs);
/* rounding code */
// shift by F - 1
const __m256i res_16b_lo = _mm256_sra_epi16(
_mm256_add_epi16(res_lo, right_shift_const), right_shift);
// 8 bit conversion and saturation to uint8
__m256i res_8b_lo = _mm256_packus_epi16(res_16b_lo, res_16b_lo);
if (w - j > 8) {
const __m256i res_hi = convolve_lowbd_6tap(s + 3, coeffs);
/* rounding code */
// shift by F - 1
const __m256i res_16b_hi = _mm256_sra_epi16(
_mm256_add_epi16(res_hi, right_shift_const), right_shift);
// 8 bit conversion and saturation to uint8
__m256i res_8b_hi = _mm256_packus_epi16(res_16b_hi, res_16b_hi);
__m256i res_a = _mm256_unpacklo_epi64(res_8b_lo, res_8b_hi);
const __m128i res_0 = _mm256_castsi256_si128(res_a);
const __m128i res_1 = _mm256_extracti128_si256(res_a, 1);
_mm_storeu_si128((__m128i *)&dst[i * dst_stride + j], res_0);
_mm_storeu_si128((__m128i *)&dst[i * dst_stride + j + dst_stride],
res_1);
} else {
const __m128i res_0 = _mm256_castsi256_si128(res_8b_lo);
const __m128i res_1 = _mm256_extracti128_si256(res_8b_lo, 1);
if (w - j > 4) {
_mm_storel_epi64((__m128i *)&dst[i * dst_stride + j], res_0);
_mm_storel_epi64((__m128i *)&dst[i * dst_stride + j + dst_stride],
res_1);
} else if (w - j > 2) {
xx_storel_32(&dst[i * dst_stride + j], res_0);
xx_storel_32(&dst[i * dst_stride + j + dst_stride], res_1);
} else {
__m128i *const p_0 = (__m128i *)&dst[i * dst_stride + j];
__m128i *const p_1 =
(__m128i *)&dst[i * dst_stride + j + dst_stride];
*(uint16_t *)p_0 = (uint16_t)_mm_cvtsi128_si32(res_0);
*(uint16_t *)p_1 = (uint16_t)_mm_cvtsi128_si32(res_1);
}
}
s[0] = s[1];
s[1] = s[2];
s[3] = s[4];
s[4] = s[5];
}
}
} else if (vert_tap == 12) { // vert_tap == 12
const int fo_vert = filter_params_y->taps / 2 - 1;
const uint8_t *const src_ptr = src - fo_vert * src_stride;
const __m256i v_zero = _mm256_setzero_si256();
right_shift = _mm_cvtsi32_si128(FILTER_BITS);
right_shift_const = _mm256_set1_epi32((1 << FILTER_BITS) >> 1);
for (int j = 0; j < w; j += 8) {
const uint8_t *data = &src_ptr[j];
__m256i src10;
d[0] = _mm_loadl_epi64((__m128i *)(data + 0 * src_stride));
d[1] = _mm_loadl_epi64((__m128i *)(data + 1 * src_stride));
d[2] = _mm_loadl_epi64((__m128i *)(data + 2 * src_stride));
d[3] = _mm_loadl_epi64((__m128i *)(data + 3 * src_stride));
d[4] = _mm_loadl_epi64((__m128i *)(data + 4 * src_stride));
d[5] = _mm_loadl_epi64((__m128i *)(data + 5 * src_stride));
d[6] = _mm_loadl_epi64((__m128i *)(data + 6 * src_stride));
d[7] = _mm_loadl_epi64((__m128i *)(data + 7 * src_stride));
d[8] = _mm_loadl_epi64((__m128i *)(data + 8 * src_stride));
d[9] = _mm_loadl_epi64((__m128i *)(data + 9 * src_stride));
// Load lines a and b. Line a to lower 128, line b to upper 128
const __m256i src_01a = _mm256_permute2x128_si256(
_mm256_castsi128_si256(d[0]), _mm256_castsi128_si256(d[1]), 0x20);
const __m256i src_12a = _mm256_permute2x128_si256(
_mm256_castsi128_si256(d[1]), _mm256_castsi128_si256(d[2]), 0x20);
const __m256i src_23a = _mm256_permute2x128_si256(
_mm256_castsi128_si256(d[2]), _mm256_castsi128_si256(d[3]), 0x20);
const __m256i src_34a = _mm256_permute2x128_si256(
_mm256_castsi128_si256(d[3]), _mm256_castsi128_si256(d[4]), 0x20);
const __m256i src_45a = _mm256_permute2x128_si256(
_mm256_castsi128_si256(d[4]), _mm256_castsi128_si256(d[5]), 0x20);
const __m256i src_56a = _mm256_permute2x128_si256(
_mm256_castsi128_si256(d[5]), _mm256_castsi128_si256(d[6]), 0x20);
const __m256i src_67a = _mm256_permute2x128_si256(
_mm256_castsi128_si256(d[6]), _mm256_castsi128_si256(d[7]), 0x20);
const __m256i src_78a = _mm256_permute2x128_si256(
_mm256_castsi128_si256(d[7]), _mm256_castsi128_si256(d[8]), 0x20);
const __m256i src_89a = _mm256_permute2x128_si256(
_mm256_castsi128_si256(d[8]), _mm256_castsi128_si256(d[9]), 0x20);
src10 = _mm256_castsi128_si256(
_mm_loadl_epi64((__m128i *)(data + 10 * src_stride)));
const __m256i src_910a =
_mm256_permute2x128_si256(_mm256_castsi128_si256(d[9]), src10, 0x20);
const __m256i src_01 = _mm256_unpacklo_epi8(src_01a, v_zero);
const __m256i src_12 = _mm256_unpacklo_epi8(src_12a, v_zero);
const __m256i src_23 = _mm256_unpacklo_epi8(src_23a, v_zero);
const __m256i src_34 = _mm256_unpacklo_epi8(src_34a, v_zero);
const __m256i src_45 = _mm256_unpacklo_epi8(src_45a, v_zero);
const __m256i src_56 = _mm256_unpacklo_epi8(src_56a, v_zero);
const __m256i src_67 = _mm256_unpacklo_epi8(src_67a, v_zero);
const __m256i src_78 = _mm256_unpacklo_epi8(src_78a, v_zero);
const __m256i src_89 = _mm256_unpacklo_epi8(src_89a, v_zero);
const __m256i src_910 = _mm256_unpacklo_epi8(src_910a, v_zero);
s[0] = _mm256_unpacklo_epi16(src_01, src_12);
s[1] = _mm256_unpacklo_epi16(src_23, src_34);
s[2] = _mm256_unpacklo_epi16(src_45, src_56);
s[3] = _mm256_unpacklo_epi16(src_67, src_78);
s[4] = _mm256_unpacklo_epi16(src_89, src_910);
s[6] = _mm256_unpackhi_epi16(src_01, src_12);
s[7] = _mm256_unpackhi_epi16(src_23, src_34);
s[8] = _mm256_unpackhi_epi16(src_45, src_56);
s[9] = _mm256_unpackhi_epi16(src_67, src_78);
s[10] = _mm256_unpackhi_epi16(src_89, src_910);
for (i = 0; i < h; i += 2) {
data = &src_ptr[i * src_stride + j];
const __m256i src_1011a = _mm256_permute2x128_si256(
src10,
_mm256_castsi128_si256(
_mm_loadl_epi64((__m128i *)(data + 11 * src_stride))),
0x20);
src10 = _mm256_castsi128_si256(
_mm_loadl_epi64((__m128i *)(data + 12 * src_stride)));
const __m256i src_1112a = _mm256_permute2x128_si256(
_mm256_castsi128_si256(
_mm_loadl_epi64((__m128i *)(data + 11 * src_stride))),
src10, 0x20);
const __m256i src_1011 = _mm256_unpacklo_epi8(src_1011a, v_zero);
const __m256i src_1112 = _mm256_unpacklo_epi8(src_1112a, v_zero);
s[5] = _mm256_unpacklo_epi16(src_1011, src_1112);
s[11] = _mm256_unpackhi_epi16(src_1011, src_1112);
const __m256i res_lo = convolve_12taps(s, coeffs);
const __m256i res_32b_lo = _mm256_sra_epi32(
_mm256_add_epi32(res_lo, right_shift_const), right_shift);
// 8 bit conversion and saturation to uint8
__m256i res_16b_lo = _mm256_packs_epi32(res_32b_lo, res_32b_lo);
__m256i res_8b_lo = _mm256_packus_epi16(res_16b_lo, res_16b_lo);
if (w - j > 4) {
const __m256i res_hi = convolve_12taps(s + 6, coeffs);
const __m256i res_32b_hi = _mm256_sra_epi32(
_mm256_add_epi32(res_hi, right_shift_const), right_shift);
__m256i res_16b_hi = _mm256_packs_epi32(res_32b_hi, res_32b_hi);
// 8 bit conversion and saturation to uint8
__m256i res_8b_hi = _mm256_packus_epi16(res_16b_hi, res_16b_hi);
__m256i res_a = _mm256_unpacklo_epi32(res_8b_lo, res_8b_hi);
const __m128i res_0 = _mm256_extracti128_si256(res_a, 0);
const __m128i res_1 = _mm256_extracti128_si256(res_a, 1);
_mm_storel_epi64((__m128i *)&dst[i * dst_stride + j], res_0);
_mm_storel_epi64((__m128i *)&dst[i * dst_stride + j + dst_stride],
res_1);
} else {
const __m128i res_0 = _mm256_extracti128_si256(res_8b_lo, 0);
const __m128i res_1 = _mm256_extracti128_si256(res_8b_lo, 1);
if (w - j > 2) {
*(int *)&dst[i * dst_stride + j] = _mm_cvtsi128_si32(res_0);
*(int *)&dst[i * dst_stride + j + dst_stride] =
_mm_cvtsi128_si32(res_1);
} else {
*(uint16_t *)&dst[i * dst_stride + j] =
(uint16_t)_mm_cvtsi128_si32(res_0);
*(uint16_t *)&dst[i * dst_stride + j + dst_stride] =
(uint16_t)_mm_cvtsi128_si32(res_1);
}
}
s[0] = s[1];
s[1] = s[2];
s[2] = s[3];
s[3] = s[4];
s[4] = s[5];
s[6] = s[7];
s[7] = s[8];
s[8] = s[9];
s[9] = s[10];
s[10] = s[11];
}
}
} else {
const int fo_vert = filter_params_y->taps / 2 - 1;
const uint8_t *const src_ptr = src - fo_vert * src_stride;
for (int j = 0; j < w; j += 16) {
const uint8_t *data = &src_ptr[j];
__m256i src6;
d[0] = _mm_loadu_si128((__m128i *)(data + 0 * src_stride));
d[1] = _mm_loadu_si128((__m128i *)(data + 1 * src_stride));
d[2] = _mm_loadu_si128((__m128i *)(data + 2 * src_stride));
d[3] = _mm_loadu_si128((__m128i *)(data + 3 * src_stride));
d[4] = _mm_loadu_si128((__m128i *)(data + 4 * src_stride));
d[5] = _mm_loadu_si128((__m128i *)(data + 5 * src_stride));
// Load lines a and b. Line a to lower 128, line b to upper 128
const __m256i src_01a = _mm256_permute2x128_si256(
_mm256_castsi128_si256(d[0]), _mm256_castsi128_si256(d[1]), 0x20);
const __m256i src_12a = _mm256_permute2x128_si256(
_mm256_castsi128_si256(d[1]), _mm256_castsi128_si256(d[2]), 0x20);
const __m256i src_23a = _mm256_permute2x128_si256(
_mm256_castsi128_si256(d[2]), _mm256_castsi128_si256(d[3]), 0x20);
const __m256i src_34a = _mm256_permute2x128_si256(
_mm256_castsi128_si256(d[3]), _mm256_castsi128_si256(d[4]), 0x20);
const __m256i src_45a = _mm256_permute2x128_si256(
_mm256_castsi128_si256(d[4]), _mm256_castsi128_si256(d[5]), 0x20);
src6 = _mm256_castsi128_si256(
_mm_loadu_si128((__m128i *)(data + 6 * src_stride)));
const __m256i src_56a =
_mm256_permute2x128_si256(_mm256_castsi128_si256(d[5]), src6, 0x20);
s[0] = _mm256_unpacklo_epi8(src_01a, src_12a);
s[1] = _mm256_unpacklo_epi8(src_23a, src_34a);
s[2] = _mm256_unpacklo_epi8(src_45a, src_56a);
s[4] = _mm256_unpackhi_epi8(src_01a, src_12a);
s[5] = _mm256_unpackhi_epi8(src_23a, src_34a);
s[6] = _mm256_unpackhi_epi8(src_45a, src_56a);
for (i = 0; i < h; i += 2) {
data = &src_ptr[i * src_stride + j];
const __m256i src_67a = _mm256_permute2x128_si256(
src6,
_mm256_castsi128_si256(
_mm_loadu_si128((__m128i *)(data + 7 * src_stride))),
0x20);
src6 = _mm256_castsi128_si256(
_mm_loadu_si128((__m128i *)(data + 8 * src_stride)));
const __m256i src_78a = _mm256_permute2x128_si256(
_mm256_castsi128_si256(
_mm_loadu_si128((__m128i *)(data + 7 * src_stride))),
src6, 0x20);
s[3] = _mm256_unpacklo_epi8(src_67a, src_78a);
s[7] = _mm256_unpackhi_epi8(src_67a, src_78a);
const __m256i res_lo = convolve_lowbd(s, coeffs);
/* rounding code */
// shift by F - 1
const __m256i res_16b_lo = _mm256_sra_epi16(
_mm256_add_epi16(res_lo, right_shift_const), right_shift);
// 8 bit conversion and saturation to uint8
__m256i res_8b_lo = _mm256_packus_epi16(res_16b_lo, res_16b_lo);
if (w - j > 8) {
const __m256i res_hi = convolve_lowbd(s + 4, coeffs);
/* rounding code */
// shift by F - 1
const __m256i res_16b_hi = _mm256_sra_epi16(
_mm256_add_epi16(res_hi, right_shift_const), right_shift);
// 8 bit conversion and saturation to uint8
__m256i res_8b_hi = _mm256_packus_epi16(res_16b_hi, res_16b_hi);
__m256i res_a = _mm256_unpacklo_epi64(res_8b_lo, res_8b_hi);
const __m128i res_0 = _mm256_castsi256_si128(res_a);
const __m128i res_1 = _mm256_extracti128_si256(res_a, 1);
_mm_storeu_si128((__m128i *)&dst[i * dst_stride + j], res_0);
_mm_storeu_si128((__m128i *)&dst[i * dst_stride + j + dst_stride],
res_1);
} else {
const __m128i res_0 = _mm256_castsi256_si128(res_8b_lo);
const __m128i res_1 = _mm256_extracti128_si256(res_8b_lo, 1);
if (w - j > 4) {
_mm_storel_epi64((__m128i *)&dst[i * dst_stride + j], res_0);
_mm_storel_epi64((__m128i *)&dst[i * dst_stride + j + dst_stride],
res_1);
} else if (w - j > 2) {
xx_storel_32(&dst[i * dst_stride + j], res_0);
xx_storel_32(&dst[i * dst_stride + j + dst_stride], res_1);
} else {
__m128i *const p_0 = (__m128i *)&dst[i * dst_stride + j];
__m128i *const p_1 =
(__m128i *)&dst[i * dst_stride + j + dst_stride];
*(uint16_t *)p_0 = (uint16_t)_mm_cvtsi128_si32(res_0);
*(uint16_t *)p_1 = (uint16_t)_mm_cvtsi128_si32(res_1);
}
}
s[0] = s[1];
s[1] = s[2];
s[2] = s[3];
s[4] = s[5];
s[5] = s[6];
s[6] = s[7];
}
}
}
}
void av1_convolve_y_sr_avx2(const uint8_t *src, int32_t src_stride,
uint8_t *dst, int32_t dst_stride, int32_t w,
int32_t h,
const InterpFilterParams *filter_params_y,
const int32_t subpel_y_qn) {
#if CONFIG_SVT_AV1
const int vert_tap = get_filter_tap(filter_params_y, subpel_y_qn);
if (vert_tap == 12) {
av1_convolve_y_sr_general_avx2(src, src_stride, dst, dst_stride, w, h,
filter_params_y, subpel_y_qn);
} else {
av1_convolve_y_sr_specialized_avx2(src, src_stride, dst, dst_stride, w, h,
filter_params_y, subpel_y_qn);
}
#else
av1_convolve_y_sr_general_avx2(src, src_stride, dst, dst_stride, w, h,
filter_params_y, subpel_y_qn);
#endif
}
static inline void av1_convolve_x_sr_general_avx2(
const uint8_t *src, int src_stride, uint8_t *dst, int dst_stride, int w,
int h, const InterpFilterParams *filter_params_x, const int subpel_x_qn,
ConvolveParams *conv_params) {
const int bits = FILTER_BITS - conv_params->round_0;
const __m128i round_shift = _mm_cvtsi32_si128(bits);
__m256i round_0_const =
_mm256_set1_epi16((1 << (conv_params->round_0 - 1)) >> 1);
__m128i round_0_shift = _mm_cvtsi32_si128(conv_params->round_0 - 1);
__m256i round_const = _mm256_set1_epi16((1 << bits) >> 1);
int i, horiz_tap = get_filter_tap(filter_params_x, subpel_x_qn);
assert(bits >= 0);
assert((FILTER_BITS - conv_params->round_1) >= 0 ||
((conv_params->round_0 + conv_params->round_1) == 2 * FILTER_BITS));
assert(conv_params->round_0 > 0);
__m256i coeffs[6], filt[4];
filt[0] = _mm256_load_si256((__m256i const *)(filt_global_avx2));
filt[1] = _mm256_load_si256((__m256i const *)(filt_global_avx2 + 32));
if (horiz_tap == 6)
prepare_coeffs_6t_lowbd(filter_params_x, subpel_x_qn, coeffs);
else if (horiz_tap == 12) {
prepare_coeffs_12taps(filter_params_x, subpel_x_qn, coeffs);
} else {
prepare_coeffs_lowbd(filter_params_x, subpel_x_qn, coeffs);
}
// horz_filt as 4 tap
if (horiz_tap == 4) {
const int fo_horiz = 1;
const uint8_t *const src_ptr = src - fo_horiz;
if (w <= 8) {
for (i = 0; i < h; i += 2) {
const __m256i data = _mm256_permute2x128_si256(
_mm256_castsi128_si256(
_mm_loadu_si128((__m128i *)(&src_ptr[i * src_stride]))),
_mm256_castsi128_si256(_mm_loadu_si128(
(__m128i *)(&src_ptr[i * src_stride + src_stride]))),
0x20);
__m256i res_16b = convolve_lowbd_x_4tap(data, coeffs + 1, filt);
res_16b = _mm256_sra_epi16(_mm256_add_epi16(res_16b, round_0_const),
round_0_shift);
res_16b = _mm256_sra_epi16(_mm256_add_epi16(res_16b, round_const),
round_shift);
/* rounding code */
// 8 bit conversion and saturation to uint8
__m256i res_8b = _mm256_packus_epi16(res_16b, res_16b);
const __m128i res_0 = _mm256_castsi256_si128(res_8b);
const __m128i res_1 = _mm256_extracti128_si256(res_8b, 1);
if (w > 4) {
_mm_storel_epi64((__m128i *)&dst[i * dst_stride], res_0);
_mm_storel_epi64((__m128i *)&dst[i * dst_stride + dst_stride], res_1);
} else if (w > 2) {
xx_storel_32(&dst[i * dst_stride], res_0);
xx_storel_32(&dst[i * dst_stride + dst_stride], res_1);
} else {
__m128i *const p_0 = (__m128i *)&dst[i * dst_stride];
__m128i *const p_1 = (__m128i *)&dst[i * dst_stride + dst_stride];
*(uint16_t *)p_0 = (uint16_t)_mm_cvtsi128_si32(res_0);
*(uint16_t *)p_1 = (uint16_t)_mm_cvtsi128_si32(res_1);
}
}
} else {
for (i = 0; i < h; ++i) {
for (int j = 0; j < w; j += 16) {
// 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 8 9 10 11 12 13 14 15 16 17
// 18 19 20 21 22 23
const __m256i data = _mm256_inserti128_si256(
_mm256_loadu_si256((__m256i *)&src_ptr[(i * src_stride) + j]),
_mm_loadu_si128((__m128i *)&src_ptr[(i * src_stride) + (j + 8)]),
1);
__m256i res_16b = convolve_lowbd_x_4tap(data, coeffs + 1, filt);
res_16b = _mm256_sra_epi16(_mm256_add_epi16(res_16b, round_0_const),
round_0_shift);
res_16b = _mm256_sra_epi16(_mm256_add_epi16(res_16b, round_const),
round_shift);
/* rounding code */
// 8 bit conversion and saturation to uint8
__m256i res_8b = _mm256_packus_epi16(res_16b, res_16b);
// Store values into the destination buffer
// 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
res_8b = _mm256_permute4x64_epi64(res_8b, 216);
__m128i res = _mm256_castsi256_si128(res_8b);
_mm_storeu_si128((__m128i *)&dst[i * dst_stride + j], res);
}
}
}
} else if (horiz_tap == 6) {
const int fo_horiz = horiz_tap / 2 - 1;
const uint8_t *const src_ptr = src - fo_horiz;
filt[2] = _mm256_load_si256((__m256i const *)(filt_global_avx2 + 32 * 2));
filt[3] = _mm256_load_si256((__m256i const *)(filt_global_avx2 + 32 * 3));
if (w <= 8) {
for (i = 0; i < h; i += 2) {
const __m256i data = _mm256_permute2x128_si256(
_mm256_castsi128_si256(
_mm_loadu_si128((__m128i *)(&src_ptr[i * src_stride]))),
_mm256_castsi128_si256(_mm_loadu_si128(
(__m128i *)(&src_ptr[i * src_stride + src_stride]))),
0x20);
__m256i res_16b = convolve_lowbd_x_6tap(data, coeffs, filt);
res_16b = _mm256_sra_epi16(_mm256_add_epi16(res_16b, round_0_const),
round_0_shift);
res_16b = _mm256_sra_epi16(_mm256_add_epi16(res_16b, round_const),
round_shift);
/* rounding code */
// 8 bit conversion and saturation to uint8
__m256i res_8b = _mm256_packus_epi16(res_16b, res_16b);
const __m128i res_0 = _mm256_castsi256_si128(res_8b);
const __m128i res_1 = _mm256_extracti128_si256(res_8b, 1);
if (w > 4) {
_mm_storel_epi64((__m128i *)&dst[i * dst_stride], res_0);
_mm_storel_epi64((__m128i *)&dst[i * dst_stride + dst_stride], res_1);
} else if (w > 2) {
xx_storel_32(&dst[i * dst_stride], res_0);
xx_storel_32(&dst[i * dst_stride + dst_stride], res_1);
} else {
__m128i *const p_0 = (__m128i *)&dst[i * dst_stride];
__m128i *const p_1 = (__m128i *)&dst[i * dst_stride + dst_stride];
*(uint16_t *)p_0 = _mm_cvtsi128_si32(res_0);
*(uint16_t *)p_1 = _mm_cvtsi128_si32(res_1);
}
}
} else {
for (i = 0; i < h; ++i) {
for (int j = 0; j < w; j += 16) {
// 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 8 9 10 11 12 13 14 15 16 17
// 18 19 20 21 22 23
const __m256i data = _mm256_inserti128_si256(
_mm256_loadu_si256((__m256i *)&src_ptr[(i * src_stride) + j]),
_mm_loadu_si128((__m128i *)&src_ptr[(i * src_stride) + (j + 8)]),
1);
__m256i res_16b = convolve_lowbd_x_6tap(data, coeffs, filt);
res_16b = _mm256_sra_epi16(_mm256_add_epi16(res_16b, round_0_const),
round_0_shift);
res_16b = _mm256_sra_epi16(_mm256_add_epi16(res_16b, round_const),
round_shift);
/* rounding code */
// 8 bit conversion and saturation to uint8
__m256i res_8b = _mm256_packus_epi16(res_16b, res_16b);
// Store values into the destination buffer
// 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
res_8b = _mm256_permute4x64_epi64(res_8b, 216);
__m128i res = _mm256_castsi256_si128(res_8b);
_mm_storeu_si128((__m128i *)&dst[i * dst_stride + j], res);
}
}
}
} else if (horiz_tap == 12) { // horiz_tap == 12
const int fo_horiz = filter_params_x->taps / 2 - 1;
const uint8_t *const src_ptr = src - fo_horiz;
const __m256i v_zero = _mm256_setzero_si256();
round_0_const = _mm256_set1_epi32((1 << (conv_params->round_0)) >> 1);
round_const = _mm256_set1_epi32((1 << bits) >> 1);
round_0_shift = _mm_cvtsi32_si128(conv_params->round_0);
__m256i s[6];
if (w <= 4) {
for (i = 0; i < h; i += 2) {
const __m256i data = _mm256_permute2x128_si256(
_mm256_castsi128_si256(
_mm_loadu_si128((__m128i *)(&src_ptr[i * src_stride]))),
_mm256_castsi128_si256(_mm_loadu_si128(
(__m128i *)(&src_ptr[i * src_stride + src_stride]))),
0x20);
// row0 0..7 row1 0..7
const __m256i s_16lo = _mm256_unpacklo_epi8(data, v_zero);
// row0 8..F row1 8..F
const __m256i s_16hi = _mm256_unpackhi_epi8(data, v_zero);
// row0 00 00 01 01 .. 03 03 row1 00 00 01 01 .. 03 03
const __m256i s_lolo = _mm256_unpacklo_epi16(s_16lo, s_16lo);
// row0 04 04 .. 07 07 row1 04 04 .. 07 07
const __m256i s_lohi = _mm256_unpackhi_epi16(s_16lo, s_16lo);
// row0 08 08 09 09 .. 0B 0B row1 08 08 09 09 .. 0B 0B
const __m256i s_hilo = _mm256_unpacklo_epi16(s_16hi, s_16hi);
// row0 0C 0C .. 0F 0F row1 0C 0C .. 0F 0F
const __m256i s_hihi = _mm256_unpackhi_epi16(s_16hi, s_16hi);
// 00 01 01 02 02 03 03 04 10 11 11 12 12 13 13 14
s[0] = _mm256_alignr_epi8(s_lohi, s_lolo, 2);
// 02 03 03 04 04 05 05 06 12 13 13 14 14 15 15 16
s[1] = _mm256_alignr_epi8(s_lohi, s_lolo, 10);
// 04 05 05 06 06 07 07 08 14 15 15 16 16 17 17 18
s[2] = _mm256_alignr_epi8(s_hilo, s_lohi, 2);
// 06 07 07 08 08 09 09 0A 16 17 17 18 18 19 19 1A
s[3] = _mm256_alignr_epi8(s_hilo, s_lohi, 10);
// 08 09 09 0A 0A 0B 0B 0C 18 19 19 1A 1A 1B 1B 1C
s[4] = _mm256_alignr_epi8(s_hihi, s_hilo, 2);
// 0A 0B 0B 0C 0C 0D 0D 0E 1A 1B 1B 1C 1C 1D 1D 1E
s[5] = _mm256_alignr_epi8(s_hihi, s_hilo, 10);
const __m256i res_lo = convolve_12taps(s, coeffs);
__m256i res_32b_lo = _mm256_sra_epi32(
_mm256_add_epi32(res_lo, round_0_const), round_0_shift);
// 00 01 02 03 10 12 13 14
res_32b_lo = _mm256_sra_epi32(_mm256_add_epi32(res_32b_lo, round_const),
round_shift);
// 8 bit conversion and saturation to uint8
// 00 01 02 03 00 01 02 03 10 11 12 13 10 11 12 13
__m256i res_16b_lo = _mm256_packs_epi32(res_32b_lo, res_32b_lo);
// 00 01 02 03 00 01 02 03 00 01 02 03 00 01 02 03
// 10 11 12 13 10 11 12 13 10 11 12 13 10 11 12 13
__m256i res_8b_lo = _mm256_packus_epi16(res_16b_lo, res_16b_lo);
// 00 01 02 03 00 01 02 03 00 01 02 03 00 01 02 03
const __m128i res_0 = _mm256_extracti128_si256(res_8b_lo, 0);
// 10 11 12 13 10 11 12 13 10 11 12 13 10 11 12 13
const __m128i res_1 = _mm256_extracti128_si256(res_8b_lo, 1);
if (w > 2) {
// 00 01 02 03
*(int *)&dst[i * dst_stride] = _mm_cvtsi128_si32(res_0);
// 10 11 12 13
*(int *)&dst[i * dst_stride + dst_stride] = _mm_cvtsi128_si32(res_1);
} else {
// 00 01
*(uint16_t *)&dst[i * dst_stride] =
(uint16_t)_mm_cvtsi128_si32(res_0);
// 10 11
*(uint16_t *)&dst[i * dst_stride + dst_stride] =
(uint16_t)_mm_cvtsi128_si32(res_1);
}
}
} else {
for (i = 0; i < h; i++) {
for (int j = 0; j < w; j += 8) {
const __m256i data = _mm256_permute2x128_si256(
_mm256_castsi128_si256(
_mm_loadu_si128((__m128i *)(&src_ptr[i * src_stride + j]))),
_mm256_castsi128_si256(_mm_loadu_si128(
(__m128i *)(&src_ptr[i * src_stride + j + 4]))),
0x20);
// row0 0..7 4..B
const __m256i s_16lo = _mm256_unpacklo_epi8(data, v_zero);
// row0 8..F C..13
const __m256i s_16hi = _mm256_unpackhi_epi8(data, v_zero);
// row0 00 00 01 01 .. 03 03 04 04 05 05 .. 07 07
const __m256i s_lolo = _mm256_unpacklo_epi16(s_16lo, s_16lo);
// row0 04 04 .. 07 07 08 08 .. 0B 0B
const __m256i s_lohi = _mm256_unpackhi_epi16(s_16lo, s_16lo);
// row0 08 08 09 09 .. 0B 0B 0C 0C 0D 0D .. 0F 0F
const __m256i s_hilo = _mm256_unpacklo_epi16(s_16hi, s_16hi);
// row0 0C 0C 0D 0D .. 0F 0F 10 10 11 11 .. 13 13
const __m256i s_hihi = _mm256_unpackhi_epi16(s_16hi, s_16hi);
s[0] = _mm256_alignr_epi8(s_lohi, s_lolo, 2);
s[1] = _mm256_alignr_epi8(s_lohi, s_lolo, 10);
s[2] = _mm256_alignr_epi8(s_hilo, s_lohi, 2);
s[3] = _mm256_alignr_epi8(s_hilo, s_lohi, 10);
s[4] = _mm256_alignr_epi8(s_hihi, s_hilo, 2);
s[5] = _mm256_alignr_epi8(s_hihi, s_hilo, 10);
const __m256i res_lo = convolve_12taps(s, coeffs);
__m256i res_32b_lo = _mm256_sra_epi32(
_mm256_add_epi32(res_lo, round_0_const), round_0_shift);
res_32b_lo = _mm256_sra_epi32(
_mm256_add_epi32(res_32b_lo, round_const), round_shift);
// 8 bit conversion and saturation to uint8
__m256i res_16b_lo = _mm256_packs_epi32(res_32b_lo, res_32b_lo);
__m256i res_8b_lo = _mm256_packus_epi16(res_16b_lo, res_16b_lo);
const __m128i res_0 = _mm256_extracti128_si256(res_8b_lo, 0);
const __m128i res_1 = _mm256_extracti128_si256(res_8b_lo, 1);
*(int *)&dst[i * dst_stride + j] = _mm_cvtsi128_si32(res_0);
*(int *)&dst[i * dst_stride + j + 4] = _mm_cvtsi128_si32(res_1);
}
}
}
} else {
const int fo_horiz = filter_params_x->taps / 2 - 1;
const uint8_t *const src_ptr = src - fo_horiz;
filt[2] = _mm256_load_si256((__m256i const *)(filt_global_avx2 + 32 * 2));
filt[3] = _mm256_load_si256((__m256i const *)(filt_global_avx2 + 32 * 3));
if (w <= 8) {
for (i = 0; i < h; i += 2) {
const __m256i data = _mm256_permute2x128_si256(
_mm256_castsi128_si256(
_mm_loadu_si128((__m128i *)(&src_ptr[i * src_stride]))),
_mm256_castsi128_si256(_mm_loadu_si128(
(__m128i *)(&src_ptr[i * src_stride + src_stride]))),
0x20);
__m256i res_16b = convolve_lowbd_x(data, coeffs, filt);
res_16b = _mm256_sra_epi16(_mm256_add_epi16(res_16b, round_0_const),
round_0_shift);
res_16b = _mm256_sra_epi16(_mm256_add_epi16(res_16b, round_const),
round_shift);
/* rounding code */
// 8 bit conversion and saturation to uint8
__m256i res_8b = _mm256_packus_epi16(res_16b, res_16b);
const __m128i res_0 = _mm256_castsi256_si128(res_8b);
const __m128i res_1 = _mm256_extracti128_si256(res_8b, 1);
if (w > 4) {
_mm_storel_epi64((__m128i *)&dst[i * dst_stride], res_0);
_mm_storel_epi64((__m128i *)&dst[i * dst_stride + dst_stride], res_1);
} else if (w > 2) {
xx_storel_32(&dst[i * dst_stride], res_0);
xx_storel_32(&dst[i * dst_stride + dst_stride], res_1);
} else {
__m128i *const p_0 = (__m128i *)&dst[i * dst_stride];
__m128i *const p_1 = (__m128i *)&dst[i * dst_stride + dst_stride];
*(uint16_t *)p_0 = (uint16_t)_mm_cvtsi128_si32(res_0);
*(uint16_t *)p_1 = (uint16_t)_mm_cvtsi128_si32(res_1);
}
}
} else {
for (i = 0; i < h; ++i) {
for (int j = 0; j < w; j += 16) {
// 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 8 9 10 11 12 13 14 15 16 17
// 18 19 20 21 22 23
const __m256i data = _mm256_inserti128_si256(
_mm256_loadu_si256((__m256i *)&src_ptr[(i * src_stride) + j]),
_mm_loadu_si128((__m128i *)&src_ptr[(i * src_stride) + (j + 8)]),
1);
__m256i res_16b = convolve_lowbd_x(data, coeffs, filt);
res_16b = _mm256_sra_epi16(_mm256_add_epi16(res_16b, round_0_const),
round_0_shift);
res_16b = _mm256_sra_epi16(_mm256_add_epi16(res_16b, round_const),
round_shift);
/* rounding code */
// 8 bit conversion and saturation to uint8
__m256i res_8b = _mm256_packus_epi16(res_16b, res_16b);
// Store values into the destination buffer
// 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
res_8b = _mm256_permute4x64_epi64(res_8b, 216);
__m128i res = _mm256_castsi256_si128(res_8b);
_mm_storeu_si128((__m128i *)&dst[i * dst_stride + j], res);
}
}
}
}
}
void av1_convolve_x_sr_avx2(const uint8_t *src, int32_t src_stride,
uint8_t *dst, int32_t dst_stride, int32_t w,
int32_t h,
const InterpFilterParams *filter_params_x,
const int32_t subpel_x_qn,
ConvolveParams *conv_params) {
#if CONFIG_SVT_AV1
const int horz_tap = get_filter_tap(filter_params_x, subpel_x_qn);
if (horz_tap == 12) {
av1_convolve_x_sr_general_avx2(src, src_stride, dst, dst_stride, w, h,
filter_params_x, subpel_x_qn, conv_params);
} else {
av1_convolve_x_sr_specialized_avx2(src, src_stride, dst, dst_stride, w, h,
filter_params_x, subpel_x_qn,
conv_params);
}
#else
av1_convolve_x_sr_general_avx2(src, src_stride, dst, dst_stride, w, h,
filter_params_x, subpel_x_qn, conv_params);
#endif
}