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/*
* Copyright (c) 2023 The WebM project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include <arm_neon.h>
#include "./vpx_config.h"
#include "./vpx_dsp_rtcd.h"
#include "vpx/vpx_integer.h"
#include "vpx_dsp/arm/mem_neon.h"
#include "vpx_dsp/arm/sum_neon.h"
static INLINE void highbd_sad4xhx4d_neon(const uint8_t *src_ptr, int src_stride,
const uint8_t *const ref_ptr[4],
int ref_stride, uint32_t res[4],
int h) {
const uint16_t *src16_ptr = CONVERT_TO_SHORTPTR(src_ptr);
const uint16_t *ref16_ptr0 = CONVERT_TO_SHORTPTR(ref_ptr[0]);
const uint16_t *ref16_ptr1 = CONVERT_TO_SHORTPTR(ref_ptr[1]);
const uint16_t *ref16_ptr2 = CONVERT_TO_SHORTPTR(ref_ptr[2]);
const uint16_t *ref16_ptr3 = CONVERT_TO_SHORTPTR(ref_ptr[3]);
uint32x4_t sum[4] = { vdupq_n_u32(0), vdupq_n_u32(0), vdupq_n_u32(0),
vdupq_n_u32(0) };
int i = 0;
do {
uint16x4_t s = vld1_u16(src16_ptr + i * src_stride);
uint16x4_t r0 = vld1_u16(ref16_ptr0 + i * ref_stride);
uint16x4_t r1 = vld1_u16(ref16_ptr1 + i * ref_stride);
uint16x4_t r2 = vld1_u16(ref16_ptr2 + i * ref_stride);
uint16x4_t r3 = vld1_u16(ref16_ptr3 + i * ref_stride);
sum[0] = vabal_u16(sum[0], s, r0);
sum[1] = vabal_u16(sum[1], s, r1);
sum[2] = vabal_u16(sum[2], s, r2);
sum[3] = vabal_u16(sum[3], s, r3);
} while (++i < h);
vst1q_u32(res, horizontal_add_4d_uint32x4(sum));
}
static INLINE void highbd_sad8xhx4d_neon(const uint8_t *src_ptr, int src_stride,
const uint8_t *const ref_ptr[4],
int ref_stride, uint32_t res[4],
int h) {
const uint16_t *src16_ptr = CONVERT_TO_SHORTPTR(src_ptr);
const uint16_t *ref16_ptr0 = CONVERT_TO_SHORTPTR(ref_ptr[0]);
const uint16_t *ref16_ptr1 = CONVERT_TO_SHORTPTR(ref_ptr[1]);
const uint16_t *ref16_ptr2 = CONVERT_TO_SHORTPTR(ref_ptr[2]);
const uint16_t *ref16_ptr3 = CONVERT_TO_SHORTPTR(ref_ptr[3]);
uint16x8_t sum[4] = { vdupq_n_u16(0), vdupq_n_u16(0), vdupq_n_u16(0),
vdupq_n_u16(0) };
uint32x4_t sum_u32[4];
int i = 0;
do {
uint16x8_t s = vld1q_u16(src16_ptr + i * src_stride);
sum[0] = vabaq_u16(sum[0], s, vld1q_u16(ref16_ptr0 + i * ref_stride));
sum[1] = vabaq_u16(sum[1], s, vld1q_u16(ref16_ptr1 + i * ref_stride));
sum[2] = vabaq_u16(sum[2], s, vld1q_u16(ref16_ptr2 + i * ref_stride));
sum[3] = vabaq_u16(sum[3], s, vld1q_u16(ref16_ptr3 + i * ref_stride));
} while (++i < h);
sum_u32[0] = vpaddlq_u16(sum[0]);
sum_u32[1] = vpaddlq_u16(sum[1]);
sum_u32[2] = vpaddlq_u16(sum[2]);
sum_u32[3] = vpaddlq_u16(sum[3]);
vst1q_u32(res, horizontal_add_4d_uint32x4(sum_u32));
}
static INLINE void sad8_neon(uint16x8_t src, uint16x8_t ref,
uint32x4_t *const sad_sum) {
uint16x8_t abs_diff = vabdq_u16(src, ref);
*sad_sum = vpadalq_u16(*sad_sum, abs_diff);
}
static INLINE void highbd_sad16xhx4d_neon(const uint8_t *src_ptr,
int src_stride,
const uint8_t *const ref_ptr[4],
int ref_stride, uint32_t res[4],
int h) {
const uint16_t *src16_ptr = CONVERT_TO_SHORTPTR(src_ptr);
const uint16_t *ref16_ptr0 = CONVERT_TO_SHORTPTR(ref_ptr[0]);
const uint16_t *ref16_ptr1 = CONVERT_TO_SHORTPTR(ref_ptr[1]);
const uint16_t *ref16_ptr2 = CONVERT_TO_SHORTPTR(ref_ptr[2]);
const uint16_t *ref16_ptr3 = CONVERT_TO_SHORTPTR(ref_ptr[3]);
uint32x4_t sum_lo[4] = { vdupq_n_u32(0), vdupq_n_u32(0), vdupq_n_u32(0),
vdupq_n_u32(0) };
uint32x4_t sum_hi[4] = { vdupq_n_u32(0), vdupq_n_u32(0), vdupq_n_u32(0),
vdupq_n_u32(0) };
uint32x4_t sum[4];
int i = 0;
do {
uint16x8_t s0, s1;
s0 = vld1q_u16(src16_ptr + i * src_stride);
sad8_neon(s0, vld1q_u16(ref16_ptr0 + i * ref_stride), &sum_lo[0]);
sad8_neon(s0, vld1q_u16(ref16_ptr1 + i * ref_stride), &sum_lo[1]);
sad8_neon(s0, vld1q_u16(ref16_ptr2 + i * ref_stride), &sum_lo[2]);
sad8_neon(s0, vld1q_u16(ref16_ptr3 + i * ref_stride), &sum_lo[3]);
s1 = vld1q_u16(src16_ptr + i * src_stride + 8);
sad8_neon(s1, vld1q_u16(ref16_ptr0 + i * ref_stride + 8), &sum_hi[0]);
sad8_neon(s1, vld1q_u16(ref16_ptr1 + i * ref_stride + 8), &sum_hi[1]);
sad8_neon(s1, vld1q_u16(ref16_ptr2 + i * ref_stride + 8), &sum_hi[2]);
sad8_neon(s1, vld1q_u16(ref16_ptr3 + i * ref_stride + 8), &sum_hi[3]);
} while (++i < h);
sum[0] = vaddq_u32(sum_lo[0], sum_hi[0]);
sum[1] = vaddq_u32(sum_lo[1], sum_hi[1]);
sum[2] = vaddq_u32(sum_lo[2], sum_hi[2]);
sum[3] = vaddq_u32(sum_lo[3], sum_hi[3]);
vst1q_u32(res, horizontal_add_4d_uint32x4(sum));
}
static INLINE void highbd_sadwxhx4d_neon(const uint8_t *src_ptr, int src_stride,
const uint8_t *const ref_ptr[4],
int ref_stride, uint32_t res[4], int w,
int h) {
const uint16_t *src16_ptr = CONVERT_TO_SHORTPTR(src_ptr);
const uint16_t *ref16_ptr0 = CONVERT_TO_SHORTPTR(ref_ptr[0]);
const uint16_t *ref16_ptr1 = CONVERT_TO_SHORTPTR(ref_ptr[1]);
const uint16_t *ref16_ptr2 = CONVERT_TO_SHORTPTR(ref_ptr[2]);
const uint16_t *ref16_ptr3 = CONVERT_TO_SHORTPTR(ref_ptr[3]);
uint32x4_t sum_lo[4] = { vdupq_n_u32(0), vdupq_n_u32(0), vdupq_n_u32(0),
vdupq_n_u32(0) };
uint32x4_t sum_hi[4] = { vdupq_n_u32(0), vdupq_n_u32(0), vdupq_n_u32(0),
vdupq_n_u32(0) };
uint32x4_t sum[4];
int i = 0;
do {
int j = 0;
do {
uint16x8_t s0, s1, s2, s3;
s0 = vld1q_u16(src16_ptr + i * src_stride + j);
sad8_neon(s0, vld1q_u16(ref16_ptr0 + i * ref_stride + j), &sum_lo[0]);
sad8_neon(s0, vld1q_u16(ref16_ptr1 + i * ref_stride + j), &sum_lo[1]);
sad8_neon(s0, vld1q_u16(ref16_ptr2 + i * ref_stride + j), &sum_lo[2]);
sad8_neon(s0, vld1q_u16(ref16_ptr3 + i * ref_stride + j), &sum_lo[3]);
s1 = vld1q_u16(src16_ptr + i * src_stride + j + 8);
sad8_neon(s1, vld1q_u16(ref16_ptr0 + i * ref_stride + j + 8), &sum_hi[0]);
sad8_neon(s1, vld1q_u16(ref16_ptr1 + i * ref_stride + j + 8), &sum_hi[1]);
sad8_neon(s1, vld1q_u16(ref16_ptr2 + i * ref_stride + j + 8), &sum_hi[2]);
sad8_neon(s1, vld1q_u16(ref16_ptr3 + i * ref_stride + j + 8), &sum_hi[3]);
s2 = vld1q_u16(src16_ptr + i * src_stride + j + 16);
sad8_neon(s2, vld1q_u16(ref16_ptr0 + i * ref_stride + j + 16),
&sum_lo[0]);
sad8_neon(s2, vld1q_u16(ref16_ptr1 + i * ref_stride + j + 16),
&sum_lo[1]);
sad8_neon(s2, vld1q_u16(ref16_ptr2 + i * ref_stride + j + 16),
&sum_lo[2]);
sad8_neon(s2, vld1q_u16(ref16_ptr3 + i * ref_stride + j + 16),
&sum_lo[3]);
s3 = vld1q_u16(src16_ptr + i * src_stride + j + 24);
sad8_neon(s3, vld1q_u16(ref16_ptr0 + i * ref_stride + j + 24),
&sum_hi[0]);
sad8_neon(s3, vld1q_u16(ref16_ptr1 + i * ref_stride + j + 24),
&sum_hi[1]);
sad8_neon(s3, vld1q_u16(ref16_ptr2 + i * ref_stride + j + 24),
&sum_hi[2]);
sad8_neon(s3, vld1q_u16(ref16_ptr3 + i * ref_stride + j + 24),
&sum_hi[3]);
j += 32;
} while (j < w);
} while (++i < h);
sum[0] = vaddq_u32(sum_lo[0], sum_hi[0]);
sum[1] = vaddq_u32(sum_lo[1], sum_hi[1]);
sum[2] = vaddq_u32(sum_lo[2], sum_hi[2]);
sum[3] = vaddq_u32(sum_lo[3], sum_hi[3]);
vst1q_u32(res, horizontal_add_4d_uint32x4(sum));
}
static INLINE void highbd_sad64xhx4d_neon(const uint8_t *src_ptr,
int src_stride,
const uint8_t *const ref_ptr[4],
int ref_stride, uint32_t res[4],
int h) {
highbd_sadwxhx4d_neon(src_ptr, src_stride, ref_ptr, ref_stride, res, 64, h);
}
static INLINE void highbd_sad32xhx4d_neon(const uint8_t *src_ptr,
int src_stride,
const uint8_t *const ref_ptr[4],
int ref_stride, uint32_t res[4],
int h) {
highbd_sadwxhx4d_neon(src_ptr, src_stride, ref_ptr, ref_stride, res, 32, h);
}
#define HBD_SAD_WXH_4D_NEON(w, h) \
void vpx_highbd_sad##w##x##h##x4d_neon( \
const uint8_t *src, int src_stride, const uint8_t *const ref_array[4], \
int ref_stride, uint32_t sad_array[4]) { \
highbd_sad##w##xhx4d_neon(src, src_stride, ref_array, ref_stride, \
sad_array, (h)); \
}
HBD_SAD_WXH_4D_NEON(4, 4)
HBD_SAD_WXH_4D_NEON(4, 8)
HBD_SAD_WXH_4D_NEON(8, 4)
HBD_SAD_WXH_4D_NEON(8, 8)
HBD_SAD_WXH_4D_NEON(8, 16)
HBD_SAD_WXH_4D_NEON(16, 8)
HBD_SAD_WXH_4D_NEON(16, 16)
HBD_SAD_WXH_4D_NEON(16, 32)
HBD_SAD_WXH_4D_NEON(32, 16)
HBD_SAD_WXH_4D_NEON(32, 32)
HBD_SAD_WXH_4D_NEON(32, 64)
HBD_SAD_WXH_4D_NEON(64, 32)
HBD_SAD_WXH_4D_NEON(64, 64)
#undef HBD_SAD_WXH_4D_NEON
#define HBD_SAD_SKIP_WXH_4D_NEON(w, h) \
void vpx_highbd_sad_skip_##w##x##h##x4d_neon( \
const uint8_t *src, int src_stride, const uint8_t *const ref_array[4], \
int ref_stride, uint32_t sad_array[4]) { \
highbd_sad##w##xhx4d_neon(src, 2 * src_stride, ref_array, 2 * ref_stride, \
sad_array, ((h) >> 1)); \
sad_array[0] <<= 1; \
sad_array[1] <<= 1; \
sad_array[2] <<= 1; \
sad_array[3] <<= 1; \
}
HBD_SAD_SKIP_WXH_4D_NEON(4, 4)
HBD_SAD_SKIP_WXH_4D_NEON(4, 8)
HBD_SAD_SKIP_WXH_4D_NEON(8, 4)
HBD_SAD_SKIP_WXH_4D_NEON(8, 8)
HBD_SAD_SKIP_WXH_4D_NEON(8, 16)
HBD_SAD_SKIP_WXH_4D_NEON(16, 8)
HBD_SAD_SKIP_WXH_4D_NEON(16, 16)
HBD_SAD_SKIP_WXH_4D_NEON(16, 32)
HBD_SAD_SKIP_WXH_4D_NEON(32, 16)
HBD_SAD_SKIP_WXH_4D_NEON(32, 32)
HBD_SAD_SKIP_WXH_4D_NEON(32, 64)
HBD_SAD_SKIP_WXH_4D_NEON(64, 32)
HBD_SAD_SKIP_WXH_4D_NEON(64, 64)
#undef HBD_SAD_SKIP_WXH_4D_NEON
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