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/*
* Copyright (c) 2023 The WebM project authors. All rights reserved.
* 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 "aom_dsp/arm/sum_neon.h"
#include "config/aom_config.h"
#include "config/aom_dsp_rtcd.h"
static inline uint32_t highbd_mse8_8xh_neon_dotprod(const uint16_t *src_ptr,
int src_stride,
const uint16_t *ref_ptr,
int ref_stride, int h,
unsigned int *sse) {
uint32x4_t sse_u32 = vdupq_n_u32(0);
int i = h / 2;
do {
uint16x8_t s0 = vld1q_u16(src_ptr);
src_ptr += src_stride;
uint16x8_t s1 = vld1q_u16(src_ptr);
src_ptr += src_stride;
uint16x8_t r0 = vld1q_u16(ref_ptr);
ref_ptr += ref_stride;
uint16x8_t r1 = vld1q_u16(ref_ptr);
ref_ptr += ref_stride;
uint8x16_t s = vcombine_u8(vmovn_u16(s0), vmovn_u16(s1));
uint8x16_t r = vcombine_u8(vmovn_u16(r0), vmovn_u16(r1));
uint8x16_t diff = vabdq_u8(s, r);
sse_u32 = vdotq_u32(sse_u32, diff, diff);
} while (--i != 0);
*sse = horizontal_add_u32x4(sse_u32);
return *sse;
}
static inline uint32_t highbd_mse8_16xh_neon_dotprod(const uint16_t *src_ptr,
int src_stride,
const uint16_t *ref_ptr,
int ref_stride, int h,
unsigned int *sse) {
uint32x4_t sse_u32 = vdupq_n_u32(0);
int i = h;
do {
uint16x8_t s0 = vld1q_u16(src_ptr);
uint16x8_t s1 = vld1q_u16(src_ptr + 8);
uint16x8_t r0 = vld1q_u16(ref_ptr);
uint16x8_t r1 = vld1q_u16(ref_ptr + 8);
uint8x16_t s = vcombine_u8(vmovn_u16(s0), vmovn_u16(s1));
uint8x16_t r = vcombine_u8(vmovn_u16(r0), vmovn_u16(r1));
uint8x16_t diff = vabdq_u8(s, r);
sse_u32 = vdotq_u32(sse_u32, diff, diff);
src_ptr += src_stride;
ref_ptr += ref_stride;
} while (--i != 0);
*sse = horizontal_add_u32x4(sse_u32);
return *sse;
}
#define HIGHBD_MSE_WXH_NEON_DOTPROD(w, h) \
uint32_t aom_highbd_8_mse##w##x##h##_neon_dotprod( \
const uint8_t *src_ptr, int src_stride, const uint8_t *ref_ptr, \
int ref_stride, uint32_t *sse) { \
uint16_t *src = CONVERT_TO_SHORTPTR(src_ptr); \
uint16_t *ref = CONVERT_TO_SHORTPTR(ref_ptr); \
highbd_mse8_##w##xh_neon_dotprod(src, src_stride, ref, ref_stride, h, \
sse); \
return *sse; \
}
HIGHBD_MSE_WXH_NEON_DOTPROD(16, 16)
HIGHBD_MSE_WXH_NEON_DOTPROD(16, 8)
HIGHBD_MSE_WXH_NEON_DOTPROD(8, 16)
HIGHBD_MSE_WXH_NEON_DOTPROD(8, 8)
#undef HIGHBD_MSE_WXH_NEON_DOTPROD