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/*
* Copyright (c) 2023, 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 "config/aom_config.h"
#include "config/aom_dsp_rtcd.h"
#include "aom_dsp/arm/blend_neon.h"
#include "aom_dsp/arm/mem_neon.h"
#include "aom_dsp/blend.h"
#define HBD_BLEND_A64_D16_MASK(bd, round0_bits) \
static inline uint16x8_t alpha_##bd##_blend_a64_d16_u16x8( \
uint16x8_t m, uint16x8_t a, uint16x8_t b, int32x4_t round_offset) { \
const uint16x8_t m_inv = \
vsubq_u16(vdupq_n_u16(AOM_BLEND_A64_MAX_ALPHA), m); \
\
uint32x4_t blend_u32_lo = vmlal_u16(vreinterpretq_u32_s32(round_offset), \
vget_low_u16(m), vget_low_u16(a)); \
uint32x4_t blend_u32_hi = vmlal_u16(vreinterpretq_u32_s32(round_offset), \
vget_high_u16(m), vget_high_u16(a)); \
\
blend_u32_lo = \
vmlal_u16(blend_u32_lo, vget_low_u16(m_inv), vget_low_u16(b)); \
blend_u32_hi = \
vmlal_u16(blend_u32_hi, vget_high_u16(m_inv), vget_high_u16(b)); \
\
uint16x4_t blend_u16_lo = \
vqrshrun_n_s32(vreinterpretq_s32_u32(blend_u32_lo), \
AOM_BLEND_A64_ROUND_BITS + 2 * FILTER_BITS - \
round0_bits - COMPOUND_ROUND1_BITS); \
uint16x4_t blend_u16_hi = \
vqrshrun_n_s32(vreinterpretq_s32_u32(blend_u32_hi), \
AOM_BLEND_A64_ROUND_BITS + 2 * FILTER_BITS - \
round0_bits - COMPOUND_ROUND1_BITS); \
\
uint16x8_t blend_u16 = vcombine_u16(blend_u16_lo, blend_u16_hi); \
blend_u16 = vminq_u16(blend_u16, vdupq_n_u16((1 << bd) - 1)); \
\
return blend_u16; \
} \
\
static inline void highbd_##bd##_blend_a64_d16_mask_neon( \
uint16_t *dst, uint32_t dst_stride, const CONV_BUF_TYPE *src0, \
uint32_t src0_stride, const CONV_BUF_TYPE *src1, uint32_t src1_stride, \
const uint8_t *mask, uint32_t mask_stride, int w, int h, int subw, \
int subh) { \
const int offset_bits = bd + 2 * FILTER_BITS - round0_bits; \
int32_t round_offset = (1 << (offset_bits - COMPOUND_ROUND1_BITS)) + \
(1 << (offset_bits - COMPOUND_ROUND1_BITS - 1)); \
int32x4_t offset = \
vdupq_n_s32(-(round_offset << AOM_BLEND_A64_ROUND_BITS)); \
\
if ((subw | subh) == 0) { \
if (w >= 8) { \
do { \
int i = 0; \
do { \
uint16x8_t m0 = vmovl_u8(vld1_u8(mask + i)); \
uint16x8_t s0 = vld1q_u16(src0 + i); \
uint16x8_t s1 = vld1q_u16(src1 + i); \
\
uint16x8_t blend = \
alpha_##bd##_blend_a64_d16_u16x8(m0, s0, s1, offset); \
\
vst1q_u16(dst + i, blend); \
i += 8; \
} while (i < w); \
\
mask += mask_stride; \
src0 += src0_stride; \
src1 += src1_stride; \
dst += dst_stride; \
} while (--h != 0); \
} else { \
do { \
uint16x8_t m0 = vmovl_u8(load_unaligned_u8_4x2(mask, mask_stride)); \
uint16x8_t s0 = load_unaligned_u16_4x2(src0, src0_stride); \
uint16x8_t s1 = load_unaligned_u16_4x2(src1, src1_stride); \
\
uint16x8_t blend = \
alpha_##bd##_blend_a64_d16_u16x8(m0, s0, s1, offset); \
\
store_u16x4_strided_x2(dst, dst_stride, blend); \
\
mask += 2 * mask_stride; \
src0 += 2 * src0_stride; \
src1 += 2 * src1_stride; \
dst += 2 * dst_stride; \
h -= 2; \
} while (h != 0); \
} \
} else if ((subw & subh) == 1) { \
if (w >= 8) { \
do { \
int i = 0; \
do { \
uint8x16_t m0 = vld1q_u8(mask + 0 * mask_stride + 2 * i); \
uint8x16_t m1 = vld1q_u8(mask + 1 * mask_stride + 2 * i); \
uint16x8_t s0 = vld1q_u16(src0 + i); \
uint16x8_t s1 = vld1q_u16(src1 + i); \
\
uint16x8_t m_avg = vmovl_u8(avg_blend_pairwise_u8x8_4( \
vget_low_u8(m0), vget_low_u8(m1), vget_high_u8(m0), \
vget_high_u8(m1))); \
uint16x8_t blend = \
alpha_##bd##_blend_a64_d16_u16x8(m_avg, s0, s1, offset); \
\
vst1q_u16(dst + i, blend); \
i += 8; \
} while (i < w); \
\
mask += 2 * mask_stride; \
src0 += src0_stride; \
src1 += src1_stride; \
dst += dst_stride; \
} while (--h != 0); \
} else { \
do { \
uint8x8_t m0 = vld1_u8(mask + 0 * mask_stride); \
uint8x8_t m1 = vld1_u8(mask + 1 * mask_stride); \
uint8x8_t m2 = vld1_u8(mask + 2 * mask_stride); \
uint8x8_t m3 = vld1_u8(mask + 3 * mask_stride); \
uint16x8_t s0 = load_unaligned_u16_4x2(src0, src0_stride); \
uint16x8_t s1 = load_unaligned_u16_4x2(src1, src1_stride); \
\
uint16x8_t m_avg = \
vmovl_u8(avg_blend_pairwise_u8x8_4(m0, m1, m2, m3)); \
uint16x8_t blend = \
alpha_##bd##_blend_a64_d16_u16x8(m_avg, s0, s1, offset); \
\
store_u16x4_strided_x2(dst, dst_stride, blend); \
\
mask += 4 * mask_stride; \
src0 += 2 * src0_stride; \
src1 += 2 * src1_stride; \
dst += 2 * dst_stride; \
h -= 2; \
} while (h != 0); \
} \
} else if (subw == 1 && subh == 0) { \
if (w >= 8) { \
do { \
int i = 0; \
do { \
uint8x8_t m0 = vld1_u8(mask + 2 * i); \
uint8x8_t m1 = vld1_u8(mask + 2 * i + 8); \
uint16x8_t s0 = vld1q_u16(src0 + i); \
uint16x8_t s1 = vld1q_u16(src1 + i); \
\
uint16x8_t m_avg = vmovl_u8(avg_blend_pairwise_u8x8(m0, m1)); \
uint16x8_t blend = \
alpha_##bd##_blend_a64_d16_u16x8(m_avg, s0, s1, offset); \
\
vst1q_u16(dst + i, blend); \
i += 8; \
} while (i < w); \
\
mask += mask_stride; \
src0 += src0_stride; \
src1 += src1_stride; \
dst += dst_stride; \
} while (--h != 0); \
} else { \
do { \
uint8x8_t m0 = vld1_u8(mask + 0 * mask_stride); \
uint8x8_t m1 = vld1_u8(mask + 1 * mask_stride); \
uint16x8_t s0 = load_unaligned_u16_4x2(src0, src0_stride); \
uint16x8_t s1 = load_unaligned_u16_4x2(src1, src1_stride); \
\
uint16x8_t m_avg = vmovl_u8(avg_blend_pairwise_u8x8(m0, m1)); \
uint16x8_t blend = \
alpha_##bd##_blend_a64_d16_u16x8(m_avg, s0, s1, offset); \
\
store_u16x4_strided_x2(dst, dst_stride, blend); \
\
mask += 2 * mask_stride; \
src0 += 2 * src0_stride; \
src1 += 2 * src1_stride; \
dst += 2 * dst_stride; \
h -= 2; \
} while (h != 0); \
} \
} else { \
if (w >= 8) { \
do { \
int i = 0; \
do { \
uint8x8_t m0 = vld1_u8(mask + 0 * mask_stride + i); \
uint8x8_t m1 = vld1_u8(mask + 1 * mask_stride + i); \
uint16x8_t s0 = vld1q_u16(src0 + i); \
uint16x8_t s1 = vld1q_u16(src1 + i); \
\
uint16x8_t m_avg = vmovl_u8(avg_blend_u8x8(m0, m1)); \
uint16x8_t blend = \
alpha_##bd##_blend_a64_d16_u16x8(m_avg, s0, s1, offset); \
\
vst1q_u16(dst + i, blend); \
i += 8; \
} while (i < w); \
\
mask += 2 * mask_stride; \
src0 += src0_stride; \
src1 += src1_stride; \
dst += dst_stride; \
} while (--h != 0); \
} else { \
do { \
uint8x8_t m0_2 = \
load_unaligned_u8_4x2(mask + 0 * mask_stride, 2 * mask_stride); \
uint8x8_t m1_3 = \
load_unaligned_u8_4x2(mask + 1 * mask_stride, 2 * mask_stride); \
uint16x8_t s0 = load_unaligned_u16_4x2(src0, src0_stride); \
uint16x8_t s1 = load_unaligned_u16_4x2(src1, src1_stride); \
\
uint16x8_t m_avg = vmovl_u8(avg_blend_u8x8(m0_2, m1_3)); \
uint16x8_t blend = \
alpha_##bd##_blend_a64_d16_u16x8(m_avg, s0, s1, offset); \
\
store_u16x4_strided_x2(dst, dst_stride, blend); \
\
mask += 4 * mask_stride; \
src0 += 2 * src0_stride; \
src1 += 2 * src1_stride; \
dst += 2 * dst_stride; \
h -= 2; \
} while (h != 0); \
} \
} \
}
// 12 bitdepth
HBD_BLEND_A64_D16_MASK(12, (ROUND0_BITS + 2))
// 10 bitdepth
HBD_BLEND_A64_D16_MASK(10, ROUND0_BITS)
// 8 bitdepth
HBD_BLEND_A64_D16_MASK(8, ROUND0_BITS)
void aom_highbd_blend_a64_d16_mask_neon(
uint8_t *dst_8, uint32_t dst_stride, const CONV_BUF_TYPE *src0,
uint32_t src0_stride, const CONV_BUF_TYPE *src1, uint32_t src1_stride,
const uint8_t *mask, uint32_t mask_stride, int w, int h, int subw, int subh,
ConvolveParams *conv_params, const int bd) {
(void)conv_params;
assert(h >= 1);
assert(w >= 1);
assert(IS_POWER_OF_TWO(h));
assert(IS_POWER_OF_TWO(w));
uint16_t *dst = CONVERT_TO_SHORTPTR(dst_8);
assert(IMPLIES(src0 == dst, src0_stride == dst_stride));
assert(IMPLIES(src1 == dst, src1_stride == dst_stride));
if (bd == 12) {
highbd_12_blend_a64_d16_mask_neon(dst, dst_stride, src0, src0_stride, src1,
src1_stride, mask, mask_stride, w, h,
subw, subh);
} else if (bd == 10) {
highbd_10_blend_a64_d16_mask_neon(dst, dst_stride, src0, src0_stride, src1,
src1_stride, mask, mask_stride, w, h,
subw, subh);
} else {
highbd_8_blend_a64_d16_mask_neon(dst, dst_stride, src0, src0_stride, src1,
src1_stride, mask, mask_stride, w, h, subw,
subh);
}
}
void aom_highbd_blend_a64_mask_neon(uint8_t *dst_8, uint32_t dst_stride,
const uint8_t *src0_8, uint32_t src0_stride,
const uint8_t *src1_8, uint32_t src1_stride,
const uint8_t *mask, uint32_t mask_stride,
int w, int h, int subw, int subh, int bd) {
(void)bd;
const uint16_t *src0 = CONVERT_TO_SHORTPTR(src0_8);
const uint16_t *src1 = CONVERT_TO_SHORTPTR(src1_8);
uint16_t *dst = CONVERT_TO_SHORTPTR(dst_8);
assert(IMPLIES(src0 == dst, src0_stride == dst_stride));
assert(IMPLIES(src1 == dst, src1_stride == dst_stride));
assert(h >= 1);
assert(w >= 1);
assert(IS_POWER_OF_TWO(h));
assert(IS_POWER_OF_TWO(w));
assert(bd == 8 || bd == 10 || bd == 12);
if ((subw | subh) == 0) {
if (w >= 8) {
do {
int i = 0;
do {
uint16x8_t m0 = vmovl_u8(vld1_u8(mask + i));
uint16x8_t s0 = vld1q_u16(src0 + i);
uint16x8_t s1 = vld1q_u16(src1 + i);
uint16x8_t blend = alpha_blend_a64_u16x8(m0, s0, s1);
vst1q_u16(dst + i, blend);
i += 8;
} while (i < w);
mask += mask_stride;
src0 += src0_stride;
src1 += src1_stride;
dst += dst_stride;
} while (--h != 0);
} else {
do {
uint16x8_t m0 = vmovl_u8(load_unaligned_u8_4x2(mask, mask_stride));
uint16x8_t s0 = load_unaligned_u16_4x2(src0, src0_stride);
uint16x8_t s1 = load_unaligned_u16_4x2(src1, src1_stride);
uint16x8_t blend = alpha_blend_a64_u16x8(m0, s0, s1);
store_u16x4_strided_x2(dst, dst_stride, blend);
mask += 2 * mask_stride;
src0 += 2 * src0_stride;
src1 += 2 * src1_stride;
dst += 2 * dst_stride;
h -= 2;
} while (h != 0);
}
} else if ((subw & subh) == 1) {
if (w >= 8) {
do {
int i = 0;
do {
uint8x8_t m0 = vld1_u8(mask + 0 * mask_stride + 2 * i);
uint8x8_t m1 = vld1_u8(mask + 1 * mask_stride + 2 * i);
uint8x8_t m2 = vld1_u8(mask + 0 * mask_stride + 2 * i + 8);
uint8x8_t m3 = vld1_u8(mask + 1 * mask_stride + 2 * i + 8);
uint16x8_t s0 = vld1q_u16(src0 + i);
uint16x8_t s1 = vld1q_u16(src1 + i);
uint16x8_t m_avg =
vmovl_u8(avg_blend_pairwise_u8x8_4(m0, m1, m2, m3));
uint16x8_t blend = alpha_blend_a64_u16x8(m_avg, s0, s1);
vst1q_u16(dst + i, blend);
i += 8;
} while (i < w);
mask += 2 * mask_stride;
src0 += src0_stride;
src1 += src1_stride;
dst += dst_stride;
} while (--h != 0);
} else {
do {
uint8x8_t m0 = vld1_u8(mask + 0 * mask_stride);
uint8x8_t m1 = vld1_u8(mask + 1 * mask_stride);
uint8x8_t m2 = vld1_u8(mask + 2 * mask_stride);
uint8x8_t m3 = vld1_u8(mask + 3 * mask_stride);
uint16x8_t s0 = load_unaligned_u16_4x2(src0, src0_stride);
uint16x8_t s1 = load_unaligned_u16_4x2(src1, src1_stride);
uint16x8_t m_avg = vmovl_u8(avg_blend_pairwise_u8x8_4(m0, m1, m2, m3));
uint16x8_t blend = alpha_blend_a64_u16x8(m_avg, s0, s1);
store_u16x4_strided_x2(dst, dst_stride, blend);
mask += 4 * mask_stride;
src0 += 2 * src0_stride;
src1 += 2 * src1_stride;
dst += 2 * dst_stride;
h -= 2;
} while (h != 0);
}
} else if (subw == 1 && subh == 0) {
if (w >= 8) {
do {
int i = 0;
do {
uint8x8_t m0 = vld1_u8(mask + 2 * i);
uint8x8_t m1 = vld1_u8(mask + 2 * i + 8);
uint16x8_t s0 = vld1q_u16(src0 + i);
uint16x8_t s1 = vld1q_u16(src1 + i);
uint16x8_t m_avg = vmovl_u8(avg_blend_pairwise_u8x8(m0, m1));
uint16x8_t blend = alpha_blend_a64_u16x8(m_avg, s0, s1);
vst1q_u16(dst + i, blend);
i += 8;
} while (i < w);
mask += mask_stride;
src0 += src0_stride;
src1 += src1_stride;
dst += dst_stride;
} while (--h != 0);
} else {
do {
uint8x8_t m0 = vld1_u8(mask + 0 * mask_stride);
uint8x8_t m1 = vld1_u8(mask + 1 * mask_stride);
uint16x8_t s0 = load_unaligned_u16_4x2(src0, src0_stride);
uint16x8_t s1 = load_unaligned_u16_4x2(src1, src1_stride);
uint16x8_t m_avg = vmovl_u8(avg_blend_pairwise_u8x8(m0, m1));
uint16x8_t blend = alpha_blend_a64_u16x8(m_avg, s0, s1);
store_u16x4_strided_x2(dst, dst_stride, blend);
mask += 2 * mask_stride;
src0 += 2 * src0_stride;
src1 += 2 * src1_stride;
dst += 2 * dst_stride;
h -= 2;
} while (h != 0);
}
} else {
if (w >= 8) {
do {
int i = 0;
do {
uint8x8_t m0 = vld1_u8(mask + 0 * mask_stride + i);
uint8x8_t m1 = vld1_u8(mask + 1 * mask_stride + i);
uint16x8_t s0 = vld1q_u16(src0 + i);
uint16x8_t s1 = vld1q_u16(src1 + i);
uint16x8_t m_avg = vmovl_u8(avg_blend_u8x8(m0, m1));
uint16x8_t blend = alpha_blend_a64_u16x8(m_avg, s0, s1);
vst1q_u16(dst + i, blend);
i += 8;
} while (i < w);
mask += 2 * mask_stride;
src0 += src0_stride;
src1 += src1_stride;
dst += dst_stride;
} while (--h != 0);
} else {
do {
uint8x8_t m0_2 =
load_unaligned_u8_4x2(mask + 0 * mask_stride, 2 * mask_stride);
uint8x8_t m1_3 =
load_unaligned_u8_4x2(mask + 1 * mask_stride, 2 * mask_stride);
uint16x8_t s0 = load_unaligned_u16_4x2(src0, src0_stride);
uint16x8_t s1 = load_unaligned_u16_4x2(src1, src1_stride);
uint16x8_t m_avg = vmovl_u8(avg_blend_u8x8(m0_2, m1_3));
uint16x8_t blend = alpha_blend_a64_u16x8(m_avg, s0, s1);
store_u16x4_strided_x2(dst, dst_stride, blend);
mask += 4 * mask_stride;
src0 += 2 * src0_stride;
src1 += 2 * src1_stride;
dst += 2 * dst_stride;
h -= 2;
} while (h != 0);
}
}
}