/*
* Copyright (c) 2024, 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 <arm_neon.h>
#include <assert.h>
#include <stdint.h>
#include "config/aom_config.h"
#include "config/aom_dsp_rtcd.h"
#include "aom_dsp/arm/aom_neon_sve_bridge.h"
#include "aom_dsp/arm/aom_filter.h"
#include "aom_dsp/arm/highbd_convolve8_neon.h"
#include "aom_dsp/arm/mem_neon.h"
static inline uint16x4_t highbd_convolve8_4_h(int16x8_t s[4], int16x8_t filter,
uint16x4_t max) {
int64x2_t sum[4];
sum[0] = aom_sdotq_s16(vdupq_n_s64(0), s[0], filter);
sum[1] = aom_sdotq_s16(vdupq_n_s64(0), s[1], filter);
sum[2] = aom_sdotq_s16(vdupq_n_s64(0), s[2], filter);
sum[3] = aom_sdotq_s16(vdupq_n_s64(0), s[3], filter);
int64x2_t sum01 = vpaddq_s64(sum[0], sum[1]);
int64x2_t sum23 = vpaddq_s64(sum[2], sum[3]);
int32x4_t sum0123 = vcombine_s32(vmovn_s64(sum01), vmovn_s64(sum23));
uint16x4_t res = vqrshrun_n_s32(sum0123, FILTER_BITS);
return vmin_u16(res, max);
}
static inline uint16x8_t highbd_convolve8_8_h(int16x8_t s[8], int16x8_t filter,
uint16x8_t max) {
int64x2_t sum[8];
sum[0] = aom_sdotq_s16(vdupq_n_s64(0), s[0], filter);
sum[1] = aom_sdotq_s16(vdupq_n_s64(0), s[1], filter);
sum[2] = aom_sdotq_s16(vdupq_n_s64(0), s[2], filter);
sum[3] = aom_sdotq_s16(vdupq_n_s64(0), s[3], filter);
sum[4] = aom_sdotq_s16(vdupq_n_s64(0), s[4], filter);
sum[5] = aom_sdotq_s16(vdupq_n_s64(0), s[5], filter);
sum[6] = aom_sdotq_s16(vdupq_n_s64(0), s[6], filter);
sum[7] = aom_sdotq_s16(vdupq_n_s64(0), s[7], filter);
int64x2_t sum01 = vpaddq_s64(sum[0], sum[1]);
int64x2_t sum23 = vpaddq_s64(sum[2], sum[3]);
int64x2_t sum45 = vpaddq_s64(sum[4], sum[5]);
int64x2_t sum67 = vpaddq_s64(sum[6], sum[7]);
int32x4_t sum0123 = vcombine_s32(vmovn_s64(sum01), vmovn_s64(sum23));
int32x4_t sum4567 = vcombine_s32(vmovn_s64(sum45), vmovn_s64(sum67));
uint16x8_t res = vcombine_u16(vqrshrun_n_s32(sum0123, FILTER_BITS),
vqrshrun_n_s32(sum4567, FILTER_BITS));
return vminq_u16(res, max);
}
static inline void highbd_convolve8_horiz_8tap_sve(
const uint16_t *src, ptrdiff_t src_stride, uint16_t *dst,
ptrdiff_t dst_stride,
const int16_t *filter_x,
int width,
int height,
int bd) {
const int16x8_t filter = vld1q_s16(filter_x);
if (width == 4) {
const uint16x4_t max = vdup_n_u16((1 << bd) - 1);
const int16_t *s = (
const int16_t *)src;
uint16_t *d = dst;
do {
int16x8_t s0[4], s1[4], s2[4], s3[4];
load_s16_8x4(s + 0 * src_stride, 1, &s0[0], &s0[1], &s0[2], &s0[3]);
load_s16_8x4(s + 1 * src_stride, 1, &s1[0], &s1[1], &s1[2], &s1[3]);
load_s16_8x4(s + 2 * src_stride, 1, &s2[0], &s2[1], &s2[2], &s2[3]);
load_s16_8x4(s + 3 * src_stride, 1, &s3[0], &s3[1], &s3[2], &s3[3]);
uint16x4_t d0 = highbd_convolve8_4_h(s0, filter, max);
uint16x4_t d1 = highbd_convolve8_4_h(s1, filter, max);
uint16x4_t d2 = highbd_convolve8_4_h(s2, filter, max);
uint16x4_t d3 = highbd_convolve8_4_h(s3, filter, max);
store_u16_4x4(d, dst_stride, d0, d1, d2, d3);
s += 4 * src_stride;
d += 4 * dst_stride;
height -= 4;
}
while (height > 0);
}
else {
do {
const uint16x8_t max = vdupq_n_u16((1 << bd) - 1);
const int16_t *s = (
const int16_t *)src;
uint16_t *d = dst;
int w = width;
do {
int16x8_t s0[8], s1[8], s2[8], s3[8];
load_s16_8x8(s + 0 * src_stride, 1, &s0[0], &s0[1], &s0[2], &s0[3],
&s0[4], &s0[5], &s0[6], &s0[7]);
load_s16_8x8(s + 1 * src_stride, 1, &s1[0], &s1[1], &s1[2], &s1[3],
&s1[4], &s1[5], &s1[6], &s1[7]);
load_s16_8x8(s + 2 * src_stride, 1, &s2[0], &s2[1], &s2[2], &s2[3],
&s2[4], &s2[5], &s2[6], &s2[7]);
load_s16_8x8(s + 3 * src_stride, 1, &s3[0], &s3[1], &s3[2], &s3[3],
&s3[4], &s3[5], &s3[6], &s3[7]);
uint16x8_t d0 = highbd_convolve8_8_h(s0, filter, max);
uint16x8_t d1 = highbd_convolve8_8_h(s1, filter, max);
uint16x8_t d2 = highbd_convolve8_8_h(s2, filter, max);
uint16x8_t d3 = highbd_convolve8_8_h(s3, filter, max);
store_u16_8x4(d, dst_stride, d0, d1, d2, d3);
s += 8;
d += 8;
w -= 8;
}
while (w != 0);
src += 4 * src_stride;
dst += 4 * dst_stride;
height -= 4;
}
while (height > 0);
}
}
// clang-format off
DECLARE_ALIGNED(16,
static const uint16_t, kDotProdTbl[16]) = {
0, 1, 2, 3, 1, 2, 3, 4, 2, 3, 4, 5, 3, 4, 5, 6,
};
DECLARE_ALIGNED(16,
static const uint16_t, kDeinterleaveTbl[8]) = {
0, 2, 4, 6, 1, 3, 5, 7,
};
// clang-format on
static inline uint16x4_t highbd_convolve4_4_h(int16x8_t s, int16x8_t filter,
uint16x8x2_t permute_tbl,
uint16x4_t max) {
int16x8_t permuted_samples0 = aom_tbl_s16(s, permute_tbl.val[0]);
int16x8_t permuted_samples1 = aom_tbl_s16(s, permute_tbl.val[1]);
int64x2_t sum0 =
aom_svdot_lane_s16(vdupq_n_s64(0), permuted_samples0, filter, 0);
int64x2_t sum1 =
aom_svdot_lane_s16(vdupq_n_s64(0), permuted_samples1, filter, 0);
int32x4_t res_s32 = vcombine_s32(vmovn_s64(sum0), vmovn_s64(sum1));
uint16x4_t res = vqrshrun_n_s32(res_s32, FILTER_BITS);
return vmin_u16(res, max);
}
static inline uint16x8_t highbd_convolve4_8_h(int16x8_t s[4], int16x8_t filter,
uint16x8_t idx, uint16x8_t max) {
int64x2_t sum04 = aom_svdot_lane_s16(vdupq_n_s64(0), s[0], filter, 0);
int64x2_t sum15 = aom_svdot_lane_s16(vdupq_n_s64(0), s[1], filter, 0);
int64x2_t sum26 = aom_svdot_lane_s16(vdupq_n_s64(0), s[2], filter, 0);
int64x2_t sum37 = aom_svdot_lane_s16(vdupq_n_s64(0), s[3], filter, 0);
int32x4_t res0 = vcombine_s32(vmovn_s64(sum04), vmovn_s64(sum15));
int32x4_t res1 = vcombine_s32(vmovn_s64(sum26), vmovn_s64(sum37));
uint16x8_t res = vcombine_u16(vqrshrun_n_s32(res0, FILTER_BITS),
vqrshrun_n_s32(res1, FILTER_BITS));
res = aom_tbl_u16(res, idx);
return vminq_u16(res, max);
}
static inline void highbd_convolve8_horiz_4tap_sve(
const uint16_t *src, ptrdiff_t src_stride, uint16_t *dst,
ptrdiff_t dst_stride,
const int16_t *filter_x,
int width,
int height,
int bd) {
const int16x8_t filter = vcombine_s16(vld1_s16(filter_x + 2), vdup_n_s16(0));
if (width == 4) {
const uint16x4_t max = vdup_n_u16((1 << bd) - 1);
uint16x8x2_t permute_tbl = vld1q_u16_x2(kDotProdTbl);
const int16_t *s = (
const int16_t *)src;
uint16_t *d = dst;
do {
int16x8_t s0, s1, s2, s3;
load_s16_8x4(s, src_stride, &s0, &s1, &s2, &s3);
uint16x4_t d0 = highbd_convolve4_4_h(s0, filter, permute_tbl, max);
uint16x4_t d1 = highbd_convolve4_4_h(s1, filter, permute_tbl, max);
uint16x4_t d2 = highbd_convolve4_4_h(s2, filter, permute_tbl, max);
uint16x4_t d3 = highbd_convolve4_4_h(s3, filter, permute_tbl, max);
store_u16_4x4(d, dst_stride, d0, d1, d2, d3);
s += 4 * src_stride;
d += 4 * dst_stride;
height -= 4;
}
while (height > 0);
}
else {
const uint16x8_t max = vdupq_n_u16((1 << bd) - 1);
uint16x8_t idx = vld1q_u16(kDeinterleaveTbl);
do {
const int16_t *s = (
const int16_t *)src;
uint16_t *d = dst;
int w = width;
do {
int16x8_t s0[4], s1[4], s2[4], s3[4];
load_s16_8x4(s + 0 * src_stride, 1, &s0[0], &s0[1], &s0[2], &s0[3]);
load_s16_8x4(s + 1 * src_stride, 1, &s1[0], &s1[1], &s1[2], &s1[3]);
load_s16_8x4(s + 2 * src_stride, 1, &s2[0], &s2[1], &s2[2], &s2[3]);
load_s16_8x4(s + 3 * src_stride, 1, &s3[0], &s3[1], &s3[2], &s3[3]);
uint16x8_t d0 = highbd_convolve4_8_h(s0, filter, idx, max);
uint16x8_t d1 = highbd_convolve4_8_h(s1, filter, idx, max);
uint16x8_t d2 = highbd_convolve4_8_h(s2, filter, idx, max);
uint16x8_t d3 = highbd_convolve4_8_h(s3, filter, idx, max);
store_u16_8x4(d, dst_stride, d0, d1, d2, d3);
s += 8;
d += 8;
w -= 8;
}
while (w != 0);
src += 4 * src_stride;
dst += 4 * dst_stride;
height -= 4;
}
while (height > 0);
}
}
void aom_highbd_convolve8_horiz_sve(
const uint8_t *src8, ptrdiff_t src_stride,
uint8_t *dst8, ptrdiff_t dst_stride,
const int16_t *filter_x,
int x_step_q4,
const int16_t *filter_y,
int y_step_q4,
int width,
int height,
int bd) {
assert(x_step_q4 == 16);
assert(width >= 4 && height >= 4);
(
void)filter_y;
(
void)x_step_q4;
(
void)y_step_q4;
const uint16_t *src = CONVERT_TO_SHORTPTR(src8);
uint16_t *dst = CONVERT_TO_SHORTPTR(dst8);
src -= SUBPEL_TAPS / 2 - 1;
const int filter_taps = get_filter_taps_convolve8(filter_x);
if (filter_taps == 2) {
highbd_convolve8_horiz_2tap_neon(src + 3, src_stride, dst, dst_stride,
filter_x, width, height, bd);
}
else if (filter_taps == 4) {
highbd_convolve8_horiz_4tap_sve(src + 2, src_stride, dst, dst_stride,
filter_x, width, height, bd);
}
else {
highbd_convolve8_horiz_8tap_sve(src, src_stride, dst, dst_stride, filter_x,
width, height, bd);
}
}
DECLARE_ALIGNED(16,
static const uint8_t, kDotProdMergeBlockTbl[48]) = {
// Shift left and insert new last column in transposed 4x4 block.
2, 3, 4, 5, 6, 7, 16, 17, 10, 11, 12, 13, 14, 15, 24, 25,
// Shift left and insert two new columns in transposed 4x4 block.
4, 5, 6, 7, 16, 17, 18, 19, 12, 13, 14, 15, 24, 25, 26, 27,
// Shift left and insert three new columns in transposed 4x4 block.
6, 7, 16, 17, 18, 19, 20, 21, 14, 15, 24, 25, 26, 27, 28, 29
};
static inline void transpose_concat_4x4(int16x4_t s0, int16x4_t s1,
int16x4_t s2, int16x4_t s3,
int16x8_t res[2]) {
// Transpose 16-bit elements and concatenate result rows as follows:
// s0: 00, 01, 02, 03
// s1: 10, 11, 12, 13
// s2: 20, 21, 22, 23
// s3: 30, 31, 32, 33
//
// res[0]: 00 10 20 30 01 11 21 31
// res[1]: 02 12 22 32 03 13 23 33
int16x8_t s0q = vcombine_s16(s0, vdup_n_s16(0));
int16x8_t s1q = vcombine_s16(s1, vdup_n_s16(0));
int16x8_t s2q = vcombine_s16(s2, vdup_n_s16(0));
int16x8_t s3q = vcombine_s16(s3, vdup_n_s16(0));
int32x4_t s01 = vreinterpretq_s32_s16(vzip1q_s16(s0q, s1q));
int32x4_t s23 = vreinterpretq_s32_s16(vzip1q_s16(s2q, s3q));
int32x4x2_t s0123 = vzipq_s32(s01, s23);
res[0] = vreinterpretq_s16_s32(s0123.val[0]);
res[1] = vreinterpretq_s16_s32(s0123.val[1]);
}
static inline void transpose_concat_8x4(int16x8_t s0, int16x8_t s1,
int16x8_t s2, int16x8_t s3,
int16x8_t res[4]) {
// Transpose 16-bit elements and concatenate result rows as follows:
// s0: 00, 01, 02, 03, 04, 05, 06, 07
// s1: 10, 11, 12, 13, 14, 15, 16, 17
// s2: 20, 21, 22, 23, 24, 25, 26, 27
// s3: 30, 31, 32, 33, 34, 35, 36, 37
//
// res_lo[0]: 00 10 20 30 01 11 21 31
// res_lo[1]: 02 12 22 32 03 13 23 33
// res_hi[0]: 04 14 24 34 05 15 25 35
// res_hi[1]: 06 16 26 36 07 17 27 37
int16x8x2_t tr01_16 = vzipq_s16(s0, s1);
int16x8x2_t tr23_16 = vzipq_s16(s2, s3);
int32x4x2_t tr01_32 = vzipq_s32(vreinterpretq_s32_s16(tr01_16.val[0]),
vreinterpretq_s32_s16(tr23_16.val[0]));
int32x4x2_t tr23_32 = vzipq_s32(vreinterpretq_s32_s16(tr01_16.val[1]),
vreinterpretq_s32_s16(tr23_16.val[1]));
res[0] = vreinterpretq_s16_s32(tr01_32.val[0]);
res[1] = vreinterpretq_s16_s32(tr01_32.val[1]);
res[2] = vreinterpretq_s16_s32(tr23_32.val[0]);
res[3] = vreinterpretq_s16_s32(tr23_32.val[1]);
}
static inline void aom_tbl2x4_s16(int16x8_t t0[4], int16x8_t t1[4],
uint8x16_t tbl, int16x8_t res[4]) {
int8x16x2_t samples0 = { vreinterpretq_s8_s16(t0[0]),
vreinterpretq_s8_s16(t1[0]) };
int8x16x2_t samples1 = { vreinterpretq_s8_s16(t0[1]),
vreinterpretq_s8_s16(t1[1]) };
int8x16x2_t samples2 = { vreinterpretq_s8_s16(t0[2]),
vreinterpretq_s8_s16(t1[2]) };
int8x16x2_t samples3 = { vreinterpretq_s8_s16(t0[3]),
vreinterpretq_s8_s16(t1[3]) };
res[0] = vreinterpretq_s16_s8(vqtbl2q_s8(samples0, tbl));
res[1] = vreinterpretq_s16_s8(vqtbl2q_s8(samples1, tbl));
res[2] = vreinterpretq_s16_s8(vqtbl2q_s8(samples2, tbl));
res[3] = vreinterpretq_s16_s8(vqtbl2q_s8(samples3, tbl));
}
static inline void aom_tbl2x2_s16(int16x8_t t0[2], int16x8_t t1[2],
uint8x16_t tbl, int16x8_t res[2]) {
int8x16x2_t samples0 = { vreinterpretq_s8_s16(t0[0]),
vreinterpretq_s8_s16(t1[0]) };
int8x16x2_t samples1 = { vreinterpretq_s8_s16(t0[1]),
vreinterpretq_s8_s16(t1[1]) };
res[0] = vreinterpretq_s16_s8(vqtbl2q_s8(samples0, tbl));
res[1] = vreinterpretq_s16_s8(vqtbl2q_s8(samples1, tbl));
}
static inline uint16x4_t highbd_convolve8_4_v(int16x8_t samples_lo[2],
int16x8_t samples_hi[2],
int16x8_t filter,
uint16x4_t max) {
int64x2_t sum[2];
sum[0] = aom_svdot_lane_s16(vdupq_n_s64(0), samples_lo[0], filter, 0);
sum[0] = aom_svdot_lane_s16(sum[0], samples_hi[0], filter, 1);
sum[1] = aom_svdot_lane_s16(vdupq_n_s64(0), samples_lo[1], filter, 0);
sum[1] = aom_svdot_lane_s16(sum[1], samples_hi[1], filter, 1);
int32x4_t res_s32 = vcombine_s32(vmovn_s64(sum[0]), vmovn_s64(sum[1]));
uint16x4_t res = vqrshrun_n_s32(res_s32, FILTER_BITS);
return vmin_u16(res, max);
}
static inline uint16x8_t highbd_convolve8_8_v(int16x8_t samples_lo[4],
int16x8_t samples_hi[4],
int16x8_t filter,
uint16x8_t max) {
int64x2_t sum[4];
sum[0] = aom_svdot_lane_s16(vdupq_n_s64(0), samples_lo[0], filter, 0);
sum[0] = aom_svdot_lane_s16(sum[0], samples_hi[0], filter, 1);
sum[1] = aom_svdot_lane_s16(vdupq_n_s64(0), samples_lo[1], filter, 0);
sum[1] = aom_svdot_lane_s16(sum[1], samples_hi[1], filter, 1);
sum[2] = aom_svdot_lane_s16(vdupq_n_s64(0), samples_lo[2], filter, 0);
sum[2] = aom_svdot_lane_s16(sum[2], samples_hi[2], filter, 1);
sum[3] = aom_svdot_lane_s16(vdupq_n_s64(0), samples_lo[3], filter, 0);
sum[3] = aom_svdot_lane_s16(sum[3], samples_hi[3], filter, 1);
int32x4_t res0 = vcombine_s32(vmovn_s64(sum[0]), vmovn_s64(sum[1]));
int32x4_t res1 = vcombine_s32(vmovn_s64(sum[2]), vmovn_s64(sum[3]));
uint16x8_t res = vcombine_u16(vqrshrun_n_s32(res0, FILTER_BITS),
vqrshrun_n_s32(res1, FILTER_BITS));
return vminq_u16(res, max);
}
static inline void highbd_convolve8_vert_8tap_sve(
const uint16_t *src, ptrdiff_t src_stride, uint16_t *dst,
ptrdiff_t dst_stride,
const int16_t *filter_y,
int width,
int height,
int bd) {
const int16x8_t y_filter = vld1q_s16(filter_y);
uint8x16_t merge_block_tbl[3];
merge_block_tbl[0] = vld1q_u8(kDotProdMergeBlockTbl);
merge_block_tbl[1] = vld1q_u8(kDotProdMergeBlockTbl + 16);
merge_block_tbl[2] = vld1q_u8(kDotProdMergeBlockTbl + 32);
if (width == 4) {
const uint16x4_t max = vdup_n_u16((1 << bd) - 1);
int16_t *s = (int16_t *)src;
int16x4_t s0, s1, s2, s3, s4, s5, s6;
load_s16_4x7(s, src_stride, &s0, &s1, &s2, &s3, &s4, &s5, &s6);
s += 7 * src_stride;
// This operation combines a conventional transpose and the sample permute
// required before computing the dot product.
int16x8_t s0123[2], s1234[2], s2345[2], s3456[2];
transpose_concat_4x4(s0, s1, s2, s3, s0123);
transpose_concat_4x4(s1, s2, s3, s4, s1234);
transpose_concat_4x4(s2, s3, s4, s5, s2345);
transpose_concat_4x4(s3, s4, s5, s6, s3456);
do {
int16x4_t s7, s8, s9, s10;
load_s16_4x4(s, src_stride, &s7, &s8, &s9, &s10);
int16x8_t s4567[2], s5678[2], s6789[2], s78910[2];
// Transpose and shuffle the 4 lines that were loaded.
transpose_concat_4x4(s7, s8, s9, s10, s78910);
// Merge new data into block from previous iteration.
aom_tbl2x2_s16(s3456, s78910, merge_block_tbl[0], s4567);
aom_tbl2x2_s16(s3456, s78910, merge_block_tbl[1], s5678);
aom_tbl2x2_s16(s3456, s78910, merge_block_tbl[2], s6789);
uint16x4_t d0 = highbd_convolve8_4_v(s0123, s4567, y_filter, max);
uint16x4_t d1 = highbd_convolve8_4_v(s1234, s5678, y_filter, max);
uint16x4_t d2 = highbd_convolve8_4_v(s2345, s6789, y_filter, max);
uint16x4_t d3 = highbd_convolve8_4_v(s3456, s78910, y_filter, max);
store_u16_4x4(dst, dst_stride, d0, d1, d2, d3);
// Prepare block for next iteration - re-using as much as possible.
// Shuffle everything up four rows.
s0123[0] = s4567[0];
s0123[1] = s4567[1];
s1234[0] = s5678[0];
s1234[1] = s5678[1];
s2345[0] = s6789[0];
s2345[1] = s6789[1];
s3456[0] = s78910[0];
s3456[1] = s78910[1];
s += 4 * src_stride;
dst += 4 * dst_stride;
height -= 4;
}
while (height != 0);
}
else {
const uint16x8_t max = vdupq_n_u16((1 << bd) - 1);
do {
int h = height;
int16_t *s = (int16_t *)src;
uint16_t *d = dst;
int16x8_t s0, s1, s2, s3, s4, s5, s6;
load_s16_8x7(s, src_stride, &s0, &s1, &s2, &s3, &s4, &s5, &s6);
s += 7 * src_stride;
// This operation combines a conventional transpose and the sample permute
// required before computing the dot product.
int16x8_t s0123[4], s1234[4], s2345[4], s3456[4];
transpose_concat_8x4(s0, s1, s2, s3, s0123);
transpose_concat_8x4(s1, s2, s3, s4, s1234);
transpose_concat_8x4(s2, s3, s4, s5, s2345);
transpose_concat_8x4(s3, s4, s5, s6, s3456);
do {
int16x8_t s7, s8, s9, s10;
load_s16_8x4(s, src_stride, &s7, &s8, &s9, &s10);
int16x8_t s4567[4], s5678[4], s6789[4], s78910[4];
// Transpose and shuffle the 4 lines that were loaded.
transpose_concat_8x4(s7, s8, s9, s10, s78910);
// Merge new data into block from previous iteration.
aom_tbl2x4_s16(s3456, s78910, merge_block_tbl[0], s4567);
aom_tbl2x4_s16(s3456, s78910, merge_block_tbl[1], s5678);
aom_tbl2x4_s16(s3456, s78910, merge_block_tbl[2], s6789);
uint16x8_t d0 = highbd_convolve8_8_v(s0123, s4567, y_filter, max);
uint16x8_t d1 = highbd_convolve8_8_v(s1234, s5678, y_filter, max);
uint16x8_t d2 = highbd_convolve8_8_v(s2345, s6789, y_filter, max);
uint16x8_t d3 = highbd_convolve8_8_v(s3456, s78910, y_filter, max);
store_u16_8x4(d, dst_stride, d0, d1, d2, d3);
// Prepare block for next iteration - re-using as much as possible.
// Shuffle everything up four rows.
s0123[0] = s4567[0];
s0123[1] = s4567[1];
s0123[2] = s4567[2];
s0123[3] = s4567[3];
s1234[0] = s5678[0];
s1234[1] = s5678[1];
s1234[2] = s5678[2];
s1234[3] = s5678[3];
s2345[0] = s6789[0];
s2345[1] = s6789[1];
s2345[2] = s6789[2];
s2345[3] = s6789[3];
s3456[0] = s78910[0];
s3456[1] = s78910[1];
s3456[2] = s78910[2];
s3456[3] = s78910[3];
s += 4 * src_stride;
d += 4 * dst_stride;
h -= 4;
}
while (h != 0);
src += 8;
dst += 8;
width -= 8;
}
while (width != 0);
}
}
void aom_highbd_convolve8_vert_sve(
const uint8_t *src8, ptrdiff_t src_stride,
uint8_t *dst8, ptrdiff_t dst_stride,
const int16_t *filter_x,
int x_step_q4,
const int16_t *filter_y,
int y_step_q4,
int width,
int height,
int bd) {
assert(y_step_q4 == 16);
assert(width >= 4 && height >= 4);
(
void)filter_x;
(
void)y_step_q4;
(
void)x_step_q4;
const uint16_t *src = CONVERT_TO_SHORTPTR(src8);
uint16_t *dst = CONVERT_TO_SHORTPTR(dst8);
src -= (SUBPEL_TAPS / 2 - 1) * src_stride;
const int filter_taps = get_filter_taps_convolve8(filter_y);
if (filter_taps == 2) {
highbd_convolve8_vert_2tap_neon(src + 3 * src_stride, src_stride, dst,
dst_stride, filter_y, width, height, bd);
}
else if (filter_taps == 4) {
highbd_convolve8_vert_4tap_neon(src + 2 * src_stride, src_stride, dst,
dst_stride, filter_y, width, height, bd);
}
else {
highbd_convolve8_vert_8tap_sve(src, src_stride, dst, dst_stride, filter_y,
width, height, bd);
}
}
