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/*
* Copyright © 2018, VideoLAN and dav1d authors
* Copyright © 2018, Two Orioles, LLC
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "src/cpu.h"
#include "src/looprestoration.h"
#if ARCH_AARCH64
void BF(dav1d_wiener_filter7, neon)(pixel *p, const ptrdiff_t stride,
const pixel (*left)[4], const pixel *lpf,
const int w, int h,
const LooprestorationParams *const params,
const enum LrEdgeFlags edges
HIGHBD_DECL_SUFFIX);
void BF(dav1d_wiener_filter5, neon)(pixel *p, const ptrdiff_t stride,
const pixel (*left)[4], const pixel *lpf,
const int w, int h,
const LooprestorationParams *const params,
const enum LrEdgeFlags edges
HIGHBD_DECL_SUFFIX);
#else
// The 8bpc version calculates things slightly differently than the reference
// C version. That version calculates roughly this:
// int16_t sum = 0;
// for (int i = 0; i < 7; i++)
// sum += src[idx] * fh[i];
// int16_t sum2 = (src[x] << 7) - (1 << (bitdepth + 6)) + rounding_off_h;
// sum = iclip(sum + sum2, INT16_MIN, INT16_MAX) >> round_bits_h;
// sum += 1 << (bitdepth + 6 - round_bits_h);
// Compared to the reference C version, this is the output of the first pass
// _subtracted_ by 1 << (bitdepth + 6 - round_bits_h) = 2048, i.e.
// with round_offset precompensated.
// The 16bpc version calculates things pretty much the same way as the
// reference C version, but with the end result subtracted by
// 1 << (bitdepth + 6 - round_bits_h).
void BF(dav1d_wiener_filter_h, neon)(int16_t *dst, const pixel (*left)[4],
const pixel *src, ptrdiff_t stride,
const int16_t fh[8], intptr_t w,
int h, enum LrEdgeFlags edges
HIGHBD_DECL_SUFFIX);
// This calculates things slightly differently than the reference C version.
// This version calculates roughly this:
// int32_t sum = 0;
// for (int i = 0; i < 7; i++)
// sum += mid[idx] * fv[i];
// sum = (sum + rounding_off_v) >> round_bits_v;
// This function assumes that the width is a multiple of 8.
void BF(dav1d_wiener_filter_v, neon)(pixel *dst, ptrdiff_t stride,
const int16_t *mid, int w, int h,
const int16_t fv[8], enum LrEdgeFlags edges,
ptrdiff_t mid_stride HIGHBD_DECL_SUFFIX);
static void wiener_filter_neon(pixel *const dst, const ptrdiff_t stride,
const pixel (*const left)[4], const pixel *lpf,
const int w, const int h,
const LooprestorationParams *const params,
const enum LrEdgeFlags edges HIGHBD_DECL_SUFFIX)
{
const int16_t (*const filter)[8] = params->filter;
ALIGN_STK_16(int16_t, mid, 68 * 384,);
int mid_stride = (w + 7) & ~7;
// Horizontal filter
BF(dav1d_wiener_filter_h, neon)(&mid[2 * mid_stride], left, dst, stride,
filter[0], w, h, edges HIGHBD_TAIL_SUFFIX);
if (edges & LR_HAVE_TOP)
BF(dav1d_wiener_filter_h, neon)(mid, NULL, lpf, stride,
filter[0], w, 2, edges
HIGHBD_TAIL_SUFFIX);
if (edges & LR_HAVE_BOTTOM)
BF(dav1d_wiener_filter_h, neon)(&mid[(2 + h) * mid_stride], NULL,
lpf + 6 * PXSTRIDE(stride),
stride, filter[0], w, 2, edges
HIGHBD_TAIL_SUFFIX);
// Vertical filter
BF(dav1d_wiener_filter_v, neon)(dst, stride, &mid[2*mid_stride],
w, h, filter[1], edges,
mid_stride * sizeof(*mid)
HIGHBD_TAIL_SUFFIX);
}
#endif
static void rotate_neon(int32_t **sumsq_ptrs, int16_t **sum_ptrs, int n) {
int32_t *tmp32 = sumsq_ptrs[0];
int16_t *tmp16 = sum_ptrs[0];
for (int i = 0; i < n - 1; i++) {
sumsq_ptrs[i] = sumsq_ptrs[i + 1];
sum_ptrs[i] = sum_ptrs[i + 1];
}
sumsq_ptrs[n - 1] = tmp32;
sum_ptrs[n - 1] = tmp16;
}
static void rotate5_x2_neon(int32_t **sumsq_ptrs, int16_t **sum_ptrs) {
int32_t *tmp32[2];
int16_t *tmp16[2];
for (int i = 0; i < 2; i++) {
tmp32[i] = sumsq_ptrs[i];
tmp16[i] = sum_ptrs[i];
}
for (int i = 0; i < 3; i++) {
sumsq_ptrs[i] = sumsq_ptrs[i + 2];
sum_ptrs[i] = sum_ptrs[i + 2];
}
for (int i = 0; i < 2; i++) {
sumsq_ptrs[3 + i] = tmp32[i];
sum_ptrs[3 + i] = tmp16[i];
}
}
void BF(dav1d_sgr_box3_row_h, neon)(int32_t *sumsq, int16_t *sum,
const pixel (*left)[4],
const pixel *src, const int w,
const enum LrEdgeFlags edges);
void BF(dav1d_sgr_box5_row_h, neon)(int32_t *sumsq, int16_t *sum,
const pixel (*left)[4],
const pixel *src, const int w,
const enum LrEdgeFlags edges);
void BF(dav1d_sgr_box35_row_h, neon)(int32_t *sumsq3, int16_t *sum3,
int32_t *sumsq5, int16_t *sum5,
const pixel (*left)[4],
const pixel *src, const int w,
const enum LrEdgeFlags edges);
#if ARCH_ARM
void dav1d_sgr_box3_row_v_neon(int32_t **sumsq, int16_t **sum,
int32_t *sumsq_out, int16_t *sum_out,
const int w);
void dav1d_sgr_box5_row_v_neon(int32_t **sumsq, int16_t **sum,
int32_t *sumsq_out, int16_t *sum_out,
const int w);
void dav1d_sgr_calc_row_ab1_neon(int32_t *AA, int16_t *BB, int w, int s,
int bitdepth_max);
void dav1d_sgr_calc_row_ab2_neon(int32_t *AA, int16_t *BB, int w, int s,
int bitdepth_max);
void BF(dav1d_sgr_finish_filter_row1, neon)(int16_t *tmp, const pixel *src,
int32_t **A_ptrs, int16_t **B_ptrs,
const int w);
void BF(dav1d_sgr_weighted_row1, neon)(pixel *dst, const int16_t *t1,
const int w, const int wt
HIGHBD_DECL_SUFFIX);
#else
void dav1d_sgr_box3_vert_neon(int32_t **sumsq, int16_t **sum,
int32_t *AA, int16_t *BB,
const int w, const int s,
const int bitdepth_max);
void dav1d_sgr_box5_vert_neon(int32_t **sumsq, int16_t **sum,
int32_t *AA, int16_t *BB,
const int w, const int s,
const int bitdepth_max);
void BF(dav1d_sgr_finish_weighted1, neon)(pixel *dst,
int32_t **A_ptrs, int16_t **B_ptrs,
const int w, const int w1
HIGHBD_DECL_SUFFIX);
void BF(dav1d_sgr_finish_weighted2, neon)(pixel *dst, const ptrdiff_t stride,
int32_t **A_ptrs, int16_t **B_ptrs,
const int w, const int h,
const int w1 HIGHBD_DECL_SUFFIX);
void BF(dav1d_sgr_finish_filter1_2rows, neon)(int16_t *tmp, const pixel *src,
const ptrdiff_t src_stride,
int32_t **A_ptrs,
int16_t **B_ptrs,
const int w, const int h);
#endif
void BF(dav1d_sgr_finish_filter2_2rows, neon)(int16_t *tmp, const pixel *src,
const ptrdiff_t src_stride,
int32_t **A_ptrs, int16_t **B_ptrs,
const int w, const int h);
void BF(dav1d_sgr_weighted2, neon)(pixel *dst, const ptrdiff_t dst_stride,
const int16_t *t1, const int16_t *t2,
const int w, const int h,
const int16_t wt[2] HIGHBD_DECL_SUFFIX);
static void sgr_box3_vert_neon(int32_t **sumsq, int16_t **sum,
int32_t *sumsq_out, int16_t *sum_out,
const int w, const int s, const int bitdepth_max) {
#if ARCH_ARM
dav1d_sgr_box3_row_v_neon(sumsq, sum, sumsq_out, sum_out, w);
dav1d_sgr_calc_row_ab1_neon(sumsq_out, sum_out, w, s, bitdepth_max);
#else
// box3_v + calc_ab1
dav1d_sgr_box3_vert_neon(sumsq, sum, sumsq_out, sum_out, w, s, bitdepth_max);
#endif
rotate_neon(sumsq, sum, 3);
}
static void sgr_box5_vert_neon(int32_t **sumsq, int16_t **sum,
int32_t *sumsq_out, int16_t *sum_out,
const int w, const int s, const int bitdepth_max) {
#if ARCH_ARM
dav1d_sgr_box5_row_v_neon(sumsq, sum, sumsq_out, sum_out, w);
dav1d_sgr_calc_row_ab2_neon(sumsq_out, sum_out, w, s, bitdepth_max);
#else
// box5_v + calc_ab2
dav1d_sgr_box5_vert_neon(sumsq, sum, sumsq_out, sum_out, w, s, bitdepth_max);
#endif
rotate5_x2_neon(sumsq, sum);
}
static void sgr_box3_hv_neon(int32_t **sumsq, int16_t **sum,
int32_t *AA, int16_t *BB,
const pixel (*left)[4],
const pixel *src, const int w,
const int s,
const enum LrEdgeFlags edges,
const int bitdepth_max) {
BF(dav1d_sgr_box3_row_h, neon)(sumsq[2], sum[2], left, src, w, edges);
sgr_box3_vert_neon(sumsq, sum, AA, BB, w, s, bitdepth_max);
}
static void sgr_finish1_neon(pixel **dst, const ptrdiff_t stride,
int32_t **A_ptrs, int16_t **B_ptrs, const int w,
const int w1 HIGHBD_DECL_SUFFIX) {
#if ARCH_ARM
ALIGN_STK_16(int16_t, tmp, 384,);
BF(dav1d_sgr_finish_filter_row1, neon)(tmp, *dst, A_ptrs, B_ptrs, w);
BF(dav1d_sgr_weighted_row1, neon)(*dst, tmp, w, w1 HIGHBD_TAIL_SUFFIX);
#else
BF(dav1d_sgr_finish_weighted1, neon)(*dst, A_ptrs, B_ptrs,
w, w1 HIGHBD_TAIL_SUFFIX);
#endif
*dst += PXSTRIDE(stride);
rotate_neon(A_ptrs, B_ptrs, 3);
}
#define ARM_FILTER_OUT_STRIDE 384
static void sgr_finish2_neon(pixel **dst, const ptrdiff_t stride,
int32_t **A_ptrs, int16_t **B_ptrs,
const int w, const int h, const int w1
HIGHBD_DECL_SUFFIX) {
#if ARCH_ARM
ALIGN_STK_16(int16_t, tmp, 2*ARM_FILTER_OUT_STRIDE,);
BF(dav1d_sgr_finish_filter2_2rows, neon)(tmp, *dst, stride, A_ptrs, B_ptrs, w, h);
BF(dav1d_sgr_weighted_row1, neon)(*dst, tmp, w, w1 HIGHBD_TAIL_SUFFIX);
*dst += PXSTRIDE(stride);
if (h > 1) {
BF(dav1d_sgr_weighted_row1, neon)(*dst, tmp + FILTER_OUT_STRIDE, w, w1 HIGHBD_TAIL_SUFFIX);
*dst += PXSTRIDE(stride);
}
#else
BF(dav1d_sgr_finish_weighted2, neon)(*dst, stride, A_ptrs, B_ptrs,
w, h, w1 HIGHBD_TAIL_SUFFIX);
*dst += 2*PXSTRIDE(stride);
#endif
rotate_neon(A_ptrs, B_ptrs, 2);
}
static void sgr_finish_mix_neon(pixel **dst, const ptrdiff_t stride,
int32_t **A5_ptrs, int16_t **B5_ptrs,
int32_t **A3_ptrs, int16_t **B3_ptrs,
const int w, const int h,
const int w0, const int w1 HIGHBD_DECL_SUFFIX) {
ALIGN_STK_16(int16_t, tmp5, 2*ARM_FILTER_OUT_STRIDE,);
ALIGN_STK_16(int16_t, tmp3, 2*ARM_FILTER_OUT_STRIDE,);
BF(dav1d_sgr_finish_filter2_2rows, neon)(tmp5, *dst, stride,
A5_ptrs, B5_ptrs, w, h);
#if ARCH_ARM
BF(dav1d_sgr_finish_filter_row1, neon)(tmp3, *dst, A3_ptrs, B3_ptrs, w);
BF(dav1d_sgr_finish_filter_row1, neon)(tmp3 + FILTER_OUT_STRIDE,
*dst + PXSTRIDE(stride),
&A3_ptrs[1], &B3_ptrs[1], w);
#else
BF(dav1d_sgr_finish_filter1_2rows, neon)(tmp3, *dst, stride,
A3_ptrs, B3_ptrs, w, h);
#endif
const int16_t wt[2] = { w0, w1 };
BF(dav1d_sgr_weighted2, neon)(*dst, stride,
tmp5, tmp3, w, h, wt HIGHBD_TAIL_SUFFIX);
*dst += h*PXSTRIDE(stride);
rotate_neon(A5_ptrs, B5_ptrs, 2);
rotate_neon(A3_ptrs, B3_ptrs, 4);
}
static void sgr_filter_3x3_neon(pixel *dst, const ptrdiff_t stride,
const pixel (*left)[4], const pixel *lpf,
const int w, int h,
const LooprestorationParams *const params,
const enum LrEdgeFlags edges HIGHBD_DECL_SUFFIX)
{
#define ARM_BUF_STRIDE (384 + 16)
ALIGN_STK_16(int32_t, sumsq_buf, ARM_BUF_STRIDE * 3 + 16,);
ALIGN_STK_16(int16_t, sum_buf, ARM_BUF_STRIDE * 3 + 16,);
int32_t *sumsq_ptrs[3], *sumsq_rows[3];
int16_t *sum_ptrs[3], *sum_rows[3];
for (int i = 0; i < 3; i++) {
sumsq_rows[i] = &sumsq_buf[i * ARM_BUF_STRIDE];
sum_rows[i] = &sum_buf[i * ARM_BUF_STRIDE];
}
ALIGN_STK_16(int32_t, A_buf, ARM_BUF_STRIDE * 3 + 16,);
ALIGN_STK_16(int16_t, B_buf, ARM_BUF_STRIDE * 3 + 16,);
int32_t *A_ptrs[3];
int16_t *B_ptrs[3];
for (int i = 0; i < 3; i++) {
A_ptrs[i] = &A_buf[i * ARM_BUF_STRIDE];
B_ptrs[i] = &B_buf[i * ARM_BUF_STRIDE];
}
const pixel *src = dst;
const pixel *lpf_bottom = lpf + 6*PXSTRIDE(stride);
if (edges & LR_HAVE_TOP) {
sumsq_ptrs[0] = sumsq_rows[0];
sumsq_ptrs[1] = sumsq_rows[1];
sumsq_ptrs[2] = sumsq_rows[2];
sum_ptrs[0] = sum_rows[0];
sum_ptrs[1] = sum_rows[1];
sum_ptrs[2] = sum_rows[2];
BF(dav1d_sgr_box3_row_h, neon)(sumsq_rows[0], sum_rows[0],
NULL, lpf, w, edges);
lpf += PXSTRIDE(stride);
BF(dav1d_sgr_box3_row_h, neon)(sumsq_rows[1], sum_rows[1],
NULL, lpf, w, edges);
sgr_box3_hv_neon(sumsq_ptrs, sum_ptrs, A_ptrs[2], B_ptrs[2],
left, src, w, params->sgr.s1, edges, BITDEPTH_MAX);
left++;
src += PXSTRIDE(stride);
rotate_neon(A_ptrs, B_ptrs, 3);
if (--h <= 0)
goto vert_1;
sgr_box3_hv_neon(sumsq_ptrs, sum_ptrs, A_ptrs[2], B_ptrs[2],
left, src, w, params->sgr.s1, edges, BITDEPTH_MAX);
left++;
src += PXSTRIDE(stride);
rotate_neon(A_ptrs, B_ptrs, 3);
if (--h <= 0)
goto vert_2;
} else {
sumsq_ptrs[0] = sumsq_rows[0];
sumsq_ptrs[1] = sumsq_rows[0];
sumsq_ptrs[2] = sumsq_rows[0];
sum_ptrs[0] = sum_rows[0];
sum_ptrs[1] = sum_rows[0];
sum_ptrs[2] = sum_rows[0];
BF(dav1d_sgr_box3_row_h, neon)(sumsq_rows[0], sum_rows[0],
left, src, w, edges);
left++;
src += PXSTRIDE(stride);
sgr_box3_vert_neon(sumsq_ptrs, sum_ptrs, A_ptrs[2], B_ptrs[2],
w, params->sgr.s1, BITDEPTH_MAX);
rotate_neon(A_ptrs, B_ptrs, 3);
if (--h <= 0)
goto vert_1;
sumsq_ptrs[2] = sumsq_rows[1];
sum_ptrs[2] = sum_rows[1];
sgr_box3_hv_neon(sumsq_ptrs, sum_ptrs, A_ptrs[2], B_ptrs[2],
left, src, w, params->sgr.s1, edges, BITDEPTH_MAX);
left++;
src += PXSTRIDE(stride);
rotate_neon(A_ptrs, B_ptrs, 3);
if (--h <= 0)
goto vert_2;
sumsq_ptrs[2] = sumsq_rows[2];
sum_ptrs[2] = sum_rows[2];
}
do {
sgr_box3_hv_neon(sumsq_ptrs, sum_ptrs, A_ptrs[2], B_ptrs[2],
left, src, w, params->sgr.s1, edges, BITDEPTH_MAX);
left++;
src += PXSTRIDE(stride);
sgr_finish1_neon(&dst, stride, A_ptrs, B_ptrs,
w, params->sgr.w1 HIGHBD_TAIL_SUFFIX);
} while (--h > 0);
if (!(edges & LR_HAVE_BOTTOM))
goto vert_2;
sgr_box3_hv_neon(sumsq_ptrs, sum_ptrs, A_ptrs[2], B_ptrs[2],
NULL, lpf_bottom, w, params->sgr.s1, edges, BITDEPTH_MAX);
lpf_bottom += PXSTRIDE(stride);
sgr_finish1_neon(&dst, stride, A_ptrs, B_ptrs,
w, params->sgr.w1 HIGHBD_TAIL_SUFFIX);
sgr_box3_hv_neon(sumsq_ptrs, sum_ptrs, A_ptrs[2], B_ptrs[2],
NULL, lpf_bottom, w, params->sgr.s1, edges, BITDEPTH_MAX);
sgr_finish1_neon(&dst, stride, A_ptrs, B_ptrs,
w, params->sgr.w1 HIGHBD_TAIL_SUFFIX);
return;
vert_2:
sumsq_ptrs[2] = sumsq_ptrs[1];
sum_ptrs[2] = sum_ptrs[1];
sgr_box3_vert_neon(sumsq_ptrs, sum_ptrs, A_ptrs[2], B_ptrs[2],
w, params->sgr.s1, BITDEPTH_MAX);
sgr_finish1_neon(&dst, stride, A_ptrs, B_ptrs,
w, params->sgr.w1 HIGHBD_TAIL_SUFFIX);
output_1:
sumsq_ptrs[2] = sumsq_ptrs[1];
sum_ptrs[2] = sum_ptrs[1];
sgr_box3_vert_neon(sumsq_ptrs, sum_ptrs, A_ptrs[2], B_ptrs[2],
w, params->sgr.s1, BITDEPTH_MAX);
sgr_finish1_neon(&dst, stride, A_ptrs, B_ptrs,
w, params->sgr.w1 HIGHBD_TAIL_SUFFIX);
return;
vert_1:
sumsq_ptrs[2] = sumsq_ptrs[1];
sum_ptrs[2] = sum_ptrs[1];
sgr_box3_vert_neon(sumsq_ptrs, sum_ptrs, A_ptrs[2], B_ptrs[2],
w, params->sgr.s1, BITDEPTH_MAX);
rotate_neon(A_ptrs, B_ptrs, 3);
goto output_1;
}
static void sgr_filter_5x5_neon(pixel *dst, const ptrdiff_t stride,
const pixel (*left)[4], const pixel *lpf,
const int w, int h,
const LooprestorationParams *const params,
const enum LrEdgeFlags edges HIGHBD_DECL_SUFFIX)
{
ALIGN_STK_16(int32_t, sumsq_buf, ARM_BUF_STRIDE * 5 + 16,);
ALIGN_STK_16(int16_t, sum_buf, ARM_BUF_STRIDE * 5 + 16,);
int32_t *sumsq_ptrs[5], *sumsq_rows[5];
int16_t *sum_ptrs[5], *sum_rows[5];
for (int i = 0; i < 5; i++) {
sumsq_rows[i] = &sumsq_buf[i * ARM_BUF_STRIDE];
sum_rows[i] = &sum_buf[i * ARM_BUF_STRIDE];
}
ALIGN_STK_16(int32_t, A_buf, ARM_BUF_STRIDE * 2 + 16,);
ALIGN_STK_16(int16_t, B_buf, ARM_BUF_STRIDE * 2 + 16,);
int32_t *A_ptrs[2];
int16_t *B_ptrs[2];
for (int i = 0; i < 2; i++) {
A_ptrs[i] = &A_buf[i * ARM_BUF_STRIDE];
B_ptrs[i] = &B_buf[i * ARM_BUF_STRIDE];
}
const pixel *src = dst;
const pixel *lpf_bottom = lpf + 6*PXSTRIDE(stride);
if (edges & LR_HAVE_TOP) {
sumsq_ptrs[0] = sumsq_rows[0];
sumsq_ptrs[1] = sumsq_rows[0];
sumsq_ptrs[2] = sumsq_rows[1];
sumsq_ptrs[3] = sumsq_rows[2];
sumsq_ptrs[4] = sumsq_rows[3];
sum_ptrs[0] = sum_rows[0];
sum_ptrs[1] = sum_rows[0];
sum_ptrs[2] = sum_rows[1];
sum_ptrs[3] = sum_rows[2];
sum_ptrs[4] = sum_rows[3];
BF(dav1d_sgr_box5_row_h, neon)(sumsq_rows[0], sum_rows[0],
NULL, lpf, w, edges);
lpf += PXSTRIDE(stride);
BF(dav1d_sgr_box5_row_h, neon)(sumsq_rows[1], sum_rows[1],
NULL, lpf, w, edges);
BF(dav1d_sgr_box5_row_h, neon)(sumsq_rows[2], sum_rows[2],
left, src, w, edges);
left++;
src += PXSTRIDE(stride);
if (--h <= 0)
goto vert_1;
BF(dav1d_sgr_box5_row_h, neon)(sumsq_rows[3], sum_rows[3],
left, src, w, edges);
left++;
src += PXSTRIDE(stride);
sgr_box5_vert_neon(sumsq_ptrs, sum_ptrs, A_ptrs[1], B_ptrs[1],
w, params->sgr.s0, BITDEPTH_MAX);
rotate_neon(A_ptrs, B_ptrs, 2);
if (--h <= 0)
goto vert_2;
// ptrs are rotated by 2; both [3] and [4] now point at rows[0]; set
// one of them to point at the previously unused rows[4].
sumsq_ptrs[3] = sumsq_rows[4];
sum_ptrs[3] = sum_rows[4];
} else {
sumsq_ptrs[0] = sumsq_rows[0];
sumsq_ptrs[1] = sumsq_rows[0];
sumsq_ptrs[2] = sumsq_rows[0];
sumsq_ptrs[3] = sumsq_rows[0];
sumsq_ptrs[4] = sumsq_rows[0];
sum_ptrs[0] = sum_rows[0];
sum_ptrs[1] = sum_rows[0];
sum_ptrs[2] = sum_rows[0];
sum_ptrs[3] = sum_rows[0];
sum_ptrs[4] = sum_rows[0];
BF(dav1d_sgr_box5_row_h, neon)(sumsq_rows[0], sum_rows[0],
left, src, w, edges);
left++;
src += PXSTRIDE(stride);
if (--h <= 0)
goto vert_1;
sumsq_ptrs[4] = sumsq_rows[1];
sum_ptrs[4] = sum_rows[1];
BF(dav1d_sgr_box5_row_h, neon)(sumsq_rows[1], sum_rows[1],
left, src, w, edges);
left++;
src += PXSTRIDE(stride);
sgr_box5_vert_neon(sumsq_ptrs, sum_ptrs, A_ptrs[1], B_ptrs[1],
w, params->sgr.s0, BITDEPTH_MAX);
rotate_neon(A_ptrs, B_ptrs, 2);
if (--h <= 0)
goto vert_2;
sumsq_ptrs[3] = sumsq_rows[2];
sumsq_ptrs[4] = sumsq_rows[3];
sum_ptrs[3] = sum_rows[2];
sum_ptrs[4] = sum_rows[3];
BF(dav1d_sgr_box5_row_h, neon)(sumsq_rows[2], sum_rows[2],
left, src, w, edges);
left++;
src += PXSTRIDE(stride);
if (--h <= 0)
goto odd;
BF(dav1d_sgr_box5_row_h, neon)(sumsq_rows[3], sum_rows[3],
left, src, w, edges);
left++;
src += PXSTRIDE(stride);
sgr_box5_vert_neon(sumsq_ptrs, sum_ptrs, A_ptrs[1], B_ptrs[1],
w, params->sgr.s0, BITDEPTH_MAX);
sgr_finish2_neon(&dst, stride, A_ptrs, B_ptrs,
w, 2, params->sgr.w0 HIGHBD_TAIL_SUFFIX);
if (--h <= 0)
goto vert_2;
// ptrs are rotated by 2; both [3] and [4] now point at rows[0]; set
// one of them to point at the previously unused rows[4].
sumsq_ptrs[3] = sumsq_rows[4];
sum_ptrs[3] = sum_rows[4];
}
do {
BF(dav1d_sgr_box5_row_h, neon)(sumsq_ptrs[3], sum_ptrs[3],
left, src, w, edges);
left++;
src += PXSTRIDE(stride);
if (--h <= 0)
goto odd;
BF(dav1d_sgr_box5_row_h, neon)(sumsq_ptrs[4], sum_ptrs[4],
left, src, w, edges);
left++;
src += PXSTRIDE(stride);
sgr_box5_vert_neon(sumsq_ptrs, sum_ptrs, A_ptrs[1], B_ptrs[1],
w, params->sgr.s0, BITDEPTH_MAX);
sgr_finish2_neon(&dst, stride, A_ptrs, B_ptrs,
w, 2, params->sgr.w0 HIGHBD_TAIL_SUFFIX);
} while (--h > 0);
if (!(edges & LR_HAVE_BOTTOM))
goto vert_2;
BF(dav1d_sgr_box5_row_h, neon)(sumsq_ptrs[3], sum_ptrs[3],
NULL, lpf_bottom, w, edges);
lpf_bottom += PXSTRIDE(stride);
BF(dav1d_sgr_box5_row_h, neon)(sumsq_ptrs[4], sum_ptrs[4],
NULL, lpf_bottom, w, edges);
output_2:
sgr_box5_vert_neon(sumsq_ptrs, sum_ptrs, A_ptrs[1], B_ptrs[1],
w, params->sgr.s0, BITDEPTH_MAX);
sgr_finish2_neon(&dst, stride, A_ptrs, B_ptrs,
w, 2, params->sgr.w0 HIGHBD_TAIL_SUFFIX);
return;
vert_2:
// Duplicate the last row twice more
sumsq_ptrs[3] = sumsq_ptrs[2];
sumsq_ptrs[4] = sumsq_ptrs[2];
sum_ptrs[3] = sum_ptrs[2];
sum_ptrs[4] = sum_ptrs[2];
goto output_2;
odd:
// Copy the last row as padding once
sumsq_ptrs[4] = sumsq_ptrs[3];
sum_ptrs[4] = sum_ptrs[3];
sgr_box5_vert_neon(sumsq_ptrs, sum_ptrs, A_ptrs[1], B_ptrs[1],
w, params->sgr.s0, BITDEPTH_MAX);
sgr_finish2_neon(&dst, stride, A_ptrs, B_ptrs,
w, 2, params->sgr.w0 HIGHBD_TAIL_SUFFIX);
output_1:
// Duplicate the last row twice more
sumsq_ptrs[3] = sumsq_ptrs[2];
sumsq_ptrs[4] = sumsq_ptrs[2];
sum_ptrs[3] = sum_ptrs[2];
sum_ptrs[4] = sum_ptrs[2];
sgr_box5_vert_neon(sumsq_ptrs, sum_ptrs, A_ptrs[1], B_ptrs[1],
w, params->sgr.s0, BITDEPTH_MAX);
// Output only one row
sgr_finish2_neon(&dst, stride, A_ptrs, B_ptrs,
w, 1, params->sgr.w0 HIGHBD_TAIL_SUFFIX);
return;
vert_1:
// Copy the last row as padding once
sumsq_ptrs[4] = sumsq_ptrs[3];
sum_ptrs[4] = sum_ptrs[3];
sgr_box5_vert_neon(sumsq_ptrs, sum_ptrs, A_ptrs[1], B_ptrs[1],
w, params->sgr.s0, BITDEPTH_MAX);
rotate_neon(A_ptrs, B_ptrs, 2);
goto output_1;
}
static void sgr_filter_mix_neon(pixel *dst, const ptrdiff_t stride,
const pixel (*left)[4], const pixel *lpf,
const int w, int h,
const LooprestorationParams *const params,
const enum LrEdgeFlags edges HIGHBD_DECL_SUFFIX)
{
ALIGN_STK_16(int32_t, sumsq5_buf, ARM_BUF_STRIDE * 5 + 16,);
ALIGN_STK_16(int16_t, sum5_buf, ARM_BUF_STRIDE * 5 + 16,);
int32_t *sumsq5_ptrs[5], *sumsq5_rows[5];
int16_t *sum5_ptrs[5], *sum5_rows[5];
for (int i = 0; i < 5; i++) {
sumsq5_rows[i] = &sumsq5_buf[i * ARM_BUF_STRIDE];
sum5_rows[i] = &sum5_buf[i * ARM_BUF_STRIDE];
}
ALIGN_STK_16(int32_t, sumsq3_buf, ARM_BUF_STRIDE * 3 + 16,);
ALIGN_STK_16(int16_t, sum3_buf, ARM_BUF_STRIDE * 3 + 16,);
int32_t *sumsq3_ptrs[3], *sumsq3_rows[3];
int16_t *sum3_ptrs[3], *sum3_rows[3];
for (int i = 0; i < 3; i++) {
sumsq3_rows[i] = &sumsq3_buf[i * ARM_BUF_STRIDE];
sum3_rows[i] = &sum3_buf[i * ARM_BUF_STRIDE];
}
ALIGN_STK_16(int32_t, A5_buf, ARM_BUF_STRIDE * 2 + 16,);
ALIGN_STK_16(int16_t, B5_buf, ARM_BUF_STRIDE * 2 + 16,);
int32_t *A5_ptrs[2];
int16_t *B5_ptrs[2];
for (int i = 0; i < 2; i++) {
A5_ptrs[i] = &A5_buf[i * ARM_BUF_STRIDE];
B5_ptrs[i] = &B5_buf[i * ARM_BUF_STRIDE];
}
ALIGN_STK_16(int32_t, A3_buf, ARM_BUF_STRIDE * 4 + 16,);
ALIGN_STK_16(int16_t, B3_buf, ARM_BUF_STRIDE * 4 + 16,);
int32_t *A3_ptrs[4];
int16_t *B3_ptrs[4];
for (int i = 0; i < 4; i++) {
A3_ptrs[i] = &A3_buf[i * ARM_BUF_STRIDE];
B3_ptrs[i] = &B3_buf[i * ARM_BUF_STRIDE];
}
const pixel *src = dst;
const pixel *lpf_bottom = lpf + 6*PXSTRIDE(stride);
if (edges & LR_HAVE_TOP) {
sumsq5_ptrs[0] = sumsq5_rows[0];
sumsq5_ptrs[1] = sumsq5_rows[0];
sumsq5_ptrs[2] = sumsq5_rows[1];
sumsq5_ptrs[3] = sumsq5_rows[2];
sumsq5_ptrs[4] = sumsq5_rows[3];
sum5_ptrs[0] = sum5_rows[0];
sum5_ptrs[1] = sum5_rows[0];
sum5_ptrs[2] = sum5_rows[1];
sum5_ptrs[3] = sum5_rows[2];
sum5_ptrs[4] = sum5_rows[3];
sumsq3_ptrs[0] = sumsq3_rows[0];
sumsq3_ptrs[1] = sumsq3_rows[1];
sumsq3_ptrs[2] = sumsq3_rows[2];
sum3_ptrs[0] = sum3_rows[0];
sum3_ptrs[1] = sum3_rows[1];
sum3_ptrs[2] = sum3_rows[2];
BF(dav1d_sgr_box35_row_h, neon)(sumsq3_rows[0], sum3_rows[0],
sumsq5_rows[0], sum5_rows[0],
NULL, lpf, w, edges);
lpf += PXSTRIDE(stride);
BF(dav1d_sgr_box35_row_h, neon)(sumsq3_rows[1], sum3_rows[1],
sumsq5_rows[1], sum5_rows[1],
NULL, lpf, w, edges);
BF(dav1d_sgr_box35_row_h, neon)(sumsq3_rows[2], sum3_rows[2],
sumsq5_rows[2], sum5_rows[2],
left, src, w, edges);
left++;
src += PXSTRIDE(stride);
sgr_box3_vert_neon(sumsq3_ptrs, sum3_ptrs, A3_ptrs[3], B3_ptrs[3],
w, params->sgr.s1, BITDEPTH_MAX);
rotate_neon(A3_ptrs, B3_ptrs, 4);
if (--h <= 0)
goto vert_1;
BF(dav1d_sgr_box35_row_h, neon)(sumsq3_ptrs[2], sum3_ptrs[2],
sumsq5_rows[3], sum5_rows[3],
left, src, w, edges);
left++;
src += PXSTRIDE(stride);
sgr_box5_vert_neon(sumsq5_ptrs, sum5_ptrs, A5_ptrs[1], B5_ptrs[1],
w, params->sgr.s0, BITDEPTH_MAX);
rotate_neon(A5_ptrs, B5_ptrs, 2);
sgr_box3_vert_neon(sumsq3_ptrs, sum3_ptrs, A3_ptrs[3], B3_ptrs[3],
w, params->sgr.s1, BITDEPTH_MAX);
rotate_neon(A3_ptrs, B3_ptrs, 4);
if (--h <= 0)
goto vert_2;
// ptrs are rotated by 2; both [3] and [4] now point at rows[0]; set
// one of them to point at the previously unused rows[4].
sumsq5_ptrs[3] = sumsq5_rows[4];
sum5_ptrs[3] = sum5_rows[4];
} else {
sumsq5_ptrs[0] = sumsq5_rows[0];
sumsq5_ptrs[1] = sumsq5_rows[0];
sumsq5_ptrs[2] = sumsq5_rows[0];
sumsq5_ptrs[3] = sumsq5_rows[0];
sumsq5_ptrs[4] = sumsq5_rows[0];
sum5_ptrs[0] = sum5_rows[0];
sum5_ptrs[1] = sum5_rows[0];
sum5_ptrs[2] = sum5_rows[0];
sum5_ptrs[3] = sum5_rows[0];
sum5_ptrs[4] = sum5_rows[0];
sumsq3_ptrs[0] = sumsq3_rows[0];
sumsq3_ptrs[1] = sumsq3_rows[0];
sumsq3_ptrs[2] = sumsq3_rows[0];
sum3_ptrs[0] = sum3_rows[0];
sum3_ptrs[1] = sum3_rows[0];
sum3_ptrs[2] = sum3_rows[0];
BF(dav1d_sgr_box35_row_h, neon)(sumsq3_rows[0], sum3_rows[0],
sumsq5_rows[0], sum5_rows[0],
left, src, w, edges);
left++;
src += PXSTRIDE(stride);
sgr_box3_vert_neon(sumsq3_ptrs, sum3_ptrs, A3_ptrs[3], B3_ptrs[3],
w, params->sgr.s1, BITDEPTH_MAX);
rotate_neon(A3_ptrs, B3_ptrs, 4);
if (--h <= 0)
goto vert_1;
sumsq5_ptrs[4] = sumsq5_rows[1];
sum5_ptrs[4] = sum5_rows[1];
sumsq3_ptrs[2] = sumsq3_rows[1];
sum3_ptrs[2] = sum3_rows[1];
BF(dav1d_sgr_box35_row_h, neon)(sumsq3_rows[1], sum3_rows[1],
sumsq5_rows[1], sum5_rows[1],
left, src, w, edges);
left++;
src += PXSTRIDE(stride);
sgr_box5_vert_neon(sumsq5_ptrs, sum5_ptrs, A5_ptrs[1], B5_ptrs[1],
w, params->sgr.s0, BITDEPTH_MAX);
rotate_neon(A5_ptrs, B5_ptrs, 2);
sgr_box3_vert_neon(sumsq3_ptrs, sum3_ptrs, A3_ptrs[3], B3_ptrs[3],
w, params->sgr.s1, BITDEPTH_MAX);
rotate_neon(A3_ptrs, B3_ptrs, 4);
if (--h <= 0)
goto vert_2;
sumsq5_ptrs[3] = sumsq5_rows[2];
sumsq5_ptrs[4] = sumsq5_rows[3];
sum5_ptrs[3] = sum5_rows[2];
sum5_ptrs[4] = sum5_rows[3];
sumsq3_ptrs[2] = sumsq3_rows[2];
sum3_ptrs[2] = sum3_rows[2];
BF(dav1d_sgr_box35_row_h, neon)(sumsq3_rows[2], sum3_rows[2],
sumsq5_rows[2], sum5_rows[2],
left, src, w, edges);
left++;
src += PXSTRIDE(stride);
sgr_box3_vert_neon(sumsq3_ptrs, sum3_ptrs, A3_ptrs[3], B3_ptrs[3],
w, params->sgr.s1, BITDEPTH_MAX);
rotate_neon(A3_ptrs, B3_ptrs, 4);
if (--h <= 0)
goto odd;
BF(dav1d_sgr_box35_row_h, neon)(sumsq3_ptrs[2], sum3_ptrs[2],
sumsq5_rows[3], sum5_rows[3],
left, src, w, edges);
left++;
src += PXSTRIDE(stride);
sgr_box5_vert_neon(sumsq5_ptrs, sum5_ptrs, A5_ptrs[1], B5_ptrs[1],
w, params->sgr.s0, BITDEPTH_MAX);
sgr_box3_vert_neon(sumsq3_ptrs, sum3_ptrs, A3_ptrs[3], B3_ptrs[3],
w, params->sgr.s1, BITDEPTH_MAX);
sgr_finish_mix_neon(&dst, stride, A5_ptrs, B5_ptrs, A3_ptrs, B3_ptrs,
w, 2, params->sgr.w0, params->sgr.w1
HIGHBD_TAIL_SUFFIX);
if (--h <= 0)
goto vert_2;
// ptrs are rotated by 2; both [3] and [4] now point at rows[0]; set
// one of them to point at the previously unused rows[4].
sumsq5_ptrs[3] = sumsq5_rows[4];
sum5_ptrs[3] = sum5_rows[4];
}
do {
BF(dav1d_sgr_box35_row_h, neon)(sumsq3_ptrs[2], sum3_ptrs[2],
sumsq5_ptrs[3], sum5_ptrs[3],
left, src, w, edges);
left++;
src += PXSTRIDE(stride);
sgr_box3_vert_neon(sumsq3_ptrs, sum3_ptrs, A3_ptrs[3], B3_ptrs[3],
w, params->sgr.s1, BITDEPTH_MAX);
rotate_neon(A3_ptrs, B3_ptrs, 4);
if (--h <= 0)
goto odd;
BF(dav1d_sgr_box35_row_h, neon)(sumsq3_ptrs[2], sum3_ptrs[2],
sumsq5_ptrs[4], sum5_ptrs[4],
left, src, w, edges);
left++;
src += PXSTRIDE(stride);
sgr_box5_vert_neon(sumsq5_ptrs, sum5_ptrs, A5_ptrs[1], B5_ptrs[1],
w, params->sgr.s0, BITDEPTH_MAX);
sgr_box3_vert_neon(sumsq3_ptrs, sum3_ptrs, A3_ptrs[3], B3_ptrs[3],
w, params->sgr.s1, BITDEPTH_MAX);
sgr_finish_mix_neon(&dst, stride, A5_ptrs, B5_ptrs, A3_ptrs, B3_ptrs,
w, 2, params->sgr.w0, params->sgr.w1
HIGHBD_TAIL_SUFFIX);
} while (--h > 0);
if (!(edges & LR_HAVE_BOTTOM))
goto vert_2;
BF(dav1d_sgr_box35_row_h, neon)(sumsq3_ptrs[2], sum3_ptrs[2],
sumsq5_ptrs[3], sum5_ptrs[3],
NULL, lpf_bottom, w, edges);
lpf_bottom += PXSTRIDE(stride);
sgr_box3_vert_neon(sumsq3_ptrs, sum3_ptrs, A3_ptrs[3], B3_ptrs[3],
w, params->sgr.s1, BITDEPTH_MAX);
rotate_neon(A3_ptrs, B3_ptrs, 4);
BF(dav1d_sgr_box35_row_h, neon)(sumsq3_ptrs[2], sum3_ptrs[2],
sumsq5_ptrs[4], sum5_ptrs[4],
NULL, lpf_bottom, w, edges);
output_2:
sgr_box5_vert_neon(sumsq5_ptrs, sum5_ptrs, A5_ptrs[1], B5_ptrs[1],
w, params->sgr.s0, BITDEPTH_MAX);
sgr_box3_vert_neon(sumsq3_ptrs, sum3_ptrs, A3_ptrs[3], B3_ptrs[3],
w, params->sgr.s1, BITDEPTH_MAX);
sgr_finish_mix_neon(&dst, stride, A5_ptrs, B5_ptrs, A3_ptrs, B3_ptrs,
w, 2, params->sgr.w0, params->sgr.w1
HIGHBD_TAIL_SUFFIX);
return;
vert_2:
// Duplicate the last row twice more
sumsq5_ptrs[3] = sumsq5_ptrs[2];
sumsq5_ptrs[4] = sumsq5_ptrs[2];
sum5_ptrs[3] = sum5_ptrs[2];
sum5_ptrs[4] = sum5_ptrs[2];
sumsq3_ptrs[2] = sumsq3_ptrs[1];
sum3_ptrs[2] = sum3_ptrs[1];
sgr_box3_vert_neon(sumsq3_ptrs, sum3_ptrs, A3_ptrs[3], B3_ptrs[3],
w, params->sgr.s1, BITDEPTH_MAX);
rotate_neon(A3_ptrs, B3_ptrs, 4);
sumsq3_ptrs[2] = sumsq3_ptrs[1];
sum3_ptrs[2] = sum3_ptrs[1];
goto output_2;
odd:
// Copy the last row as padding once
sumsq5_ptrs[4] = sumsq5_ptrs[3];
sum5_ptrs[4] = sum5_ptrs[3];
sumsq3_ptrs[2] = sumsq3_ptrs[1];
sum3_ptrs[2] = sum3_ptrs[1];
sgr_box5_vert_neon(sumsq5_ptrs, sum5_ptrs, A5_ptrs[1], B5_ptrs[1],
w, params->sgr.s0, BITDEPTH_MAX);
sgr_box3_vert_neon(sumsq3_ptrs, sum3_ptrs, A3_ptrs[3], B3_ptrs[3],
w, params->sgr.s1, BITDEPTH_MAX);
sgr_finish_mix_neon(&dst, stride, A5_ptrs, B5_ptrs, A3_ptrs, B3_ptrs,
w, 2, params->sgr.w0, params->sgr.w1
HIGHBD_TAIL_SUFFIX);
output_1:
// Duplicate the last row twice more
sumsq5_ptrs[3] = sumsq5_ptrs[2];
sumsq5_ptrs[4] = sumsq5_ptrs[2];
sum5_ptrs[3] = sum5_ptrs[2];
sum5_ptrs[4] = sum5_ptrs[2];
sumsq3_ptrs[2] = sumsq3_ptrs[1];
sum3_ptrs[2] = sum3_ptrs[1];
sgr_box5_vert_neon(sumsq5_ptrs, sum5_ptrs, A5_ptrs[1], B5_ptrs[1],
w, params->sgr.s0, BITDEPTH_MAX);
sgr_box3_vert_neon(sumsq3_ptrs, sum3_ptrs, A3_ptrs[3], B3_ptrs[3],
w, params->sgr.s1, BITDEPTH_MAX);
rotate_neon(A3_ptrs, B3_ptrs, 4);
// Output only one row
sgr_finish_mix_neon(&dst, stride, A5_ptrs, B5_ptrs, A3_ptrs, B3_ptrs,
w, 1, params->sgr.w0, params->sgr.w1
HIGHBD_TAIL_SUFFIX);
return;
vert_1:
// Copy the last row as padding once
sumsq5_ptrs[4] = sumsq5_ptrs[3];
sum5_ptrs[4] = sum5_ptrs[3];
sumsq3_ptrs[2] = sumsq3_ptrs[1];
sum3_ptrs[2] = sum3_ptrs[1];
sgr_box5_vert_neon(sumsq5_ptrs, sum5_ptrs, A5_ptrs[1], B5_ptrs[1],
w, params->sgr.s0, BITDEPTH_MAX);
rotate_neon(A5_ptrs, B5_ptrs, 2);
sgr_box3_vert_neon(sumsq3_ptrs, sum3_ptrs, A3_ptrs[3], B3_ptrs[3],
w, params->sgr.s1, BITDEPTH_MAX);
rotate_neon(A3_ptrs, B3_ptrs, 4);
goto output_1;
}
static ALWAYS_INLINE void loop_restoration_dsp_init_arm(Dav1dLoopRestorationDSPContext *const c, int bpc) {
const unsigned flags = dav1d_get_cpu_flags();
if (!(flags & DAV1D_ARM_CPU_FLAG_NEON)) return;
#if ARCH_AARCH64
c->wiener[0] = BF(dav1d_wiener_filter7, neon);
c->wiener[1] = BF(dav1d_wiener_filter5, neon);
#else
c->wiener[0] = c->wiener[1] = wiener_filter_neon;
#endif
if (BITDEPTH == 8 || bpc == 10) {
c->sgr[0] = sgr_filter_5x5_neon;
c->sgr[1] = sgr_filter_3x3_neon;
c->sgr[2] = sgr_filter_mix_neon;
}
}