/*
* 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 "config/aom_config.h"
#include "config/aom_dsp_rtcd.h"
#include "aom/aom_integer.h"
#include "aom_dsp/arm/mem_neon.h"
#include "aom_dsp/arm/sum_neon.h"
static inline void highbd_obmc_sad_8x1_s16_neon(uint16x8_t ref,
const int32_t *mask,
const int32_t *wsrc,
uint32x4_t *sum) {
int16x8_t ref_s16 = vreinterpretq_s16_u16(ref);
int32x4_t wsrc_lo = vld1q_s32(wsrc);
int32x4_t wsrc_hi = vld1q_s32(wsrc + 4);
int32x4_t mask_lo = vld1q_s32(mask);
int32x4_t mask_hi = vld1q_s32(mask + 4);
int16x8_t mask_s16 = vcombine_s16(vmovn_s32(mask_lo), vmovn_s32(mask_hi));
int32x4_t pre_lo = vmull_s16(vget_low_s16(ref_s16), vget_low_s16(mask_s16));
int32x4_t pre_hi = vmull_s16(vget_high_s16(ref_s16), vget_high_s16(mask_s16));
uint32x4_t abs_lo = vreinterpretq_u32_s32(vabdq_s32(wsrc_lo, pre_lo));
uint32x4_t abs_hi = vreinterpretq_u32_s32(vabdq_s32(wsrc_hi, pre_hi));
*sum = vrsraq_n_u32(*sum, abs_lo, 12);
*sum = vrsraq_n_u32(*sum, abs_hi, 12);
}
static inline unsigned int highbd_obmc_sad_4xh_neon(
const uint8_t *ref,
int ref_stride,
const int32_t *wsrc,
const int32_t *mask,
int height) {
const uint16_t *ref_ptr = CONVERT_TO_SHORTPTR(ref);
uint32x4_t sum = vdupq_n_u32(0);
int h = height / 2;
do {
uint16x8_t r = load_unaligned_u16_4x2(ref_ptr, ref_stride);
highbd_obmc_sad_8x1_s16_neon(r, mask, wsrc, &sum);
ref_ptr += 2 * ref_stride;
wsrc += 8;
mask += 8;
}
while (--h != 0);
return horizontal_add_u32x4(sum);
}
static inline unsigned int highbd_obmc_sad_8xh_neon(
const uint8_t *ref,
int ref_stride,
const int32_t *wsrc,
const int32_t *mask,
int height) {
const uint16_t *ref_ptr = CONVERT_TO_SHORTPTR(ref);
uint32x4_t sum = vdupq_n_u32(0);
do {
uint16x8_t r = vld1q_u16(ref_ptr);
highbd_obmc_sad_8x1_s16_neon(r, mask, wsrc, &sum);
ref_ptr += ref_stride;
wsrc += 8;
mask += 8;
}
while (--height != 0);
return horizontal_add_u32x4(sum);
}
static inline unsigned int highbd_obmc_sad_large_neon(
const uint8_t *ref,
int ref_stride,
const int32_t *wsrc,
const int32_t *mask,
int width,
int height) {
const uint16_t *ref_ptr = CONVERT_TO_SHORTPTR(ref);
uint32x4_t sum[2] = { vdupq_n_u32(0), vdupq_n_u32(0) };
do {
int i = 0;
do {
uint16x8_t r0 = vld1q_u16(ref_ptr + i);
highbd_obmc_sad_8x1_s16_neon(r0, mask, wsrc, &sum[0]);
uint16x8_t r1 = vld1q_u16(ref_ptr + i + 8);
highbd_obmc_sad_8x1_s16_neon(r1, mask + 8, wsrc + 8, &sum[1]);
wsrc += 16;
mask += 16;
i += 16;
}
while (i < width);
ref_ptr += ref_stride;
}
while (--height != 0);
return horizontal_add_u32x4(vaddq_u32(sum[0], sum[1]));
}
static inline unsigned int highbd_obmc_sad_16xh_neon(
const uint8_t *ref,
int ref_stride,
const int32_t *wsrc,
const int32_t *mask,
int h) {
return highbd_obmc_sad_large_neon(ref, ref_stride, wsrc, mask, 16, h);
}
static inline unsigned int highbd_obmc_sad_32xh_neon(
const uint8_t *ref,
int ref_stride,
const int32_t *wsrc,
const int32_t *mask,
int height) {
uint32x4_t sum[4] = { vdupq_n_u32(0), vdupq_n_u32(0), vdupq_n_u32(0),
vdupq_n_u32(0) };
const uint16_t *ref_ptr = CONVERT_TO_SHORTPTR(ref);
do {
uint16x8_t r0 = vld1q_u16(ref_ptr);
uint16x8_t r1 = vld1q_u16(ref_ptr + 8);
uint16x8_t r2 = vld1q_u16(ref_ptr + 16);
uint16x8_t r3 = vld1q_u16(ref_ptr + 24);
highbd_obmc_sad_8x1_s16_neon(r0, mask, wsrc, &sum[0]);
highbd_obmc_sad_8x1_s16_neon(r1, mask + 8, wsrc + 8, &sum[1]);
highbd_obmc_sad_8x1_s16_neon(r2, mask + 16, wsrc + 16, &sum[2]);
highbd_obmc_sad_8x1_s16_neon(r3, mask + 24, wsrc + 24, &sum[3]);
wsrc += 32;
mask += 32;
ref_ptr += ref_stride;
}
while (--height != 0);
sum[0] = vaddq_u32(sum[0], sum[1]);
sum[2] = vaddq_u32(sum[2], sum[3]);
return horizontal_add_u32x4(vaddq_u32(sum[0], sum[2]));
}
static inline unsigned int highbd_obmc_sad_64xh_neon(
const uint8_t *ref,
int ref_stride,
const int32_t *wsrc,
const int32_t *mask,
int h) {
return highbd_obmc_sad_large_neon(ref, ref_stride, wsrc, mask, 64, h);
}
static inline unsigned int highbd_obmc_sad_128xh_neon(
const uint8_t *ref,
int ref_stride,
const int32_t *wsrc,
const int32_t *mask,
int h) {
return highbd_obmc_sad_large_neon(ref, ref_stride, wsrc, mask, 128, h);
}
#define HIGHBD_OBMC_SAD_WXH_NEON(w, h) \
unsigned int aom_highbd_obmc_sad
##w
##x
##h
##_neon( \
const uint8_t *ref,
int ref_stride,
const int32_t *wsrc, \
const int32_t *mask) { \
return highbd_obmc_sad_
##w
##xh_neon(ref, ref_stride, wsrc, mask, h); \
}
HIGHBD_OBMC_SAD_WXH_NEON(4, 4)
HIGHBD_OBMC_SAD_WXH_NEON(4, 8)
HIGHBD_OBMC_SAD_WXH_NEON(8, 4)
HIGHBD_OBMC_SAD_WXH_NEON(8, 8)
HIGHBD_OBMC_SAD_WXH_NEON(8, 16)
HIGHBD_OBMC_SAD_WXH_NEON(16, 8)
HIGHBD_OBMC_SAD_WXH_NEON(16, 16)
HIGHBD_OBMC_SAD_WXH_NEON(16, 32)
HIGHBD_OBMC_SAD_WXH_NEON(32, 16)
HIGHBD_OBMC_SAD_WXH_NEON(32, 32)
HIGHBD_OBMC_SAD_WXH_NEON(32, 64)
HIGHBD_OBMC_SAD_WXH_NEON(64, 32)
HIGHBD_OBMC_SAD_WXH_NEON(64, 64)
HIGHBD_OBMC_SAD_WXH_NEON(64, 128)
HIGHBD_OBMC_SAD_WXH_NEON(128, 64)
HIGHBD_OBMC_SAD_WXH_NEON(128, 128)
#if !CONFIG_REALTIME_ONLY
HIGHBD_OBMC_SAD_WXH_NEON(4, 16)
HIGHBD_OBMC_SAD_WXH_NEON(8, 32)
HIGHBD_OBMC_SAD_WXH_NEON(16, 4)
HIGHBD_OBMC_SAD_WXH_NEON(16, 64)
HIGHBD_OBMC_SAD_WXH_NEON(32, 8)
HIGHBD_OBMC_SAD_WXH_NEON(64, 16)
#endif // !CONFIG_REALTIME_ONLY
