/*
* 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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