/*
* 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/blend_neon.h"
#include "aom_dsp/arm/mem_neon.h"
#include "aom_dsp/arm/sum_neon.h"
#include "aom_dsp/blend.h"
static inline uint16x8_t masked_sad_8x1_neon(uint16x8_t sad,
const uint16_t *src,
const uint16_t *a,
const uint16_t *b,
const uint8_t *m) {
const uint16x8_t s0 = vld1q_u16(src);
const uint16x8_t a0 = vld1q_u16(a);
const uint16x8_t b0 = vld1q_u16(b);
const uint16x8_t m0 = vmovl_u8(vld1_u8(m));
uint16x8_t blend_u16 = alpha_blend_a64_u16x8(m0, a0, b0);
return vaddq_u16(sad, vabdq_u16(blend_u16, s0));
}
static inline uint16x8_t masked_sad_16x1_neon(uint16x8_t sad,
const uint16_t *src,
const uint16_t *a,
const uint16_t *b,
const uint8_t *m) {
sad = masked_sad_8x1_neon(sad, src, a, b, m);
return masked_sad_8x1_neon(sad, &src[8 ], &a[8 ], &b[8 ], &m[8 ]);
}
static inline uint16x8_t masked_sad_32x1_neon(uint16x8_t sad,
const uint16_t *src,
const uint16_t *a,
const uint16_t *b,
const uint8_t *m) {
sad = masked_sad_16x1_neon(sad, src, a, b, m);
return masked_sad_16x1_neon(sad, &src[16 ], &a[16 ], &b[16 ], &m[16 ]);
}
static inline unsigned int masked_sad_128xh_large_neon(
const uint8_t *src8, int src_stride, const uint8_t *a8, int a_stride,
const uint8_t *b8, int b_stride, const uint8_t *m, int m_stride,
int height) {
const uint16_t *src = CONVERT_TO_SHORTPTR(src8);
const uint16_t *a = CONVERT_TO_SHORTPTR(a8);
const uint16_t *b = CONVERT_TO_SHORTPTR(b8);
uint32x4_t sad_u32[] = { vdupq_n_u32(0 ), vdupq_n_u32(0 ), vdupq_n_u32(0 ),
vdupq_n_u32(0 ) };
do {
uint16x8_t sad[] = { vdupq_n_u16(0 ), vdupq_n_u16(0 ), vdupq_n_u16(0 ),
vdupq_n_u16(0 ) };
for (int h = 0 ; h < 4 ; ++h) {
sad[0 ] = masked_sad_32x1_neon(sad[0 ], src, a, b, m);
sad[1 ] = masked_sad_32x1_neon(sad[1 ], &src[32 ], &a[32 ], &b[32 ], &m[32 ]);
sad[2 ] = masked_sad_32x1_neon(sad[2 ], &src[64 ], &a[64 ], &b[64 ], &m[64 ]);
sad[3 ] = masked_sad_32x1_neon(sad[3 ], &src[96 ], &a[96 ], &b[96 ], &m[96 ]);
src += src_stride;
a += a_stride;
b += b_stride;
m += m_stride;
}
sad_u32[0 ] = vpadalq_u16(sad_u32[0 ], sad[0 ]);
sad_u32[1 ] = vpadalq_u16(sad_u32[1 ], sad[1 ]);
sad_u32[2 ] = vpadalq_u16(sad_u32[2 ], sad[2 ]);
sad_u32[3 ] = vpadalq_u16(sad_u32[3 ], sad[3 ]);
height -= 4 ;
} while (height != 0 );
sad_u32[0 ] = vaddq_u32(sad_u32[0 ], sad_u32[1 ]);
sad_u32[2 ] = vaddq_u32(sad_u32[2 ], sad_u32[3 ]);
sad_u32[0 ] = vaddq_u32(sad_u32[0 ], sad_u32[2 ]);
return horizontal_add_u32x4(sad_u32[0 ]);
}
static inline unsigned int masked_sad_64xh_large_neon(
const uint8_t *src8, int src_stride, const uint8_t *a8, int a_stride,
const uint8_t *b8, int b_stride, const uint8_t *m, int m_stride,
int height) {
const uint16_t *src = CONVERT_TO_SHORTPTR(src8);
const uint16_t *a = CONVERT_TO_SHORTPTR(a8);
const uint16_t *b = CONVERT_TO_SHORTPTR(b8);
uint32x4_t sad_u32[] = { vdupq_n_u32(0 ), vdupq_n_u32(0 ) };
do {
uint16x8_t sad[] = { vdupq_n_u16(0 ), vdupq_n_u16(0 ) };
for (int h = 0 ; h < 4 ; ++h) {
sad[0 ] = masked_sad_32x1_neon(sad[0 ], src, a, b, m);
sad[1 ] = masked_sad_32x1_neon(sad[1 ], &src[32 ], &a[32 ], &b[32 ], &m[32 ]);
src += src_stride;
a += a_stride;
b += b_stride;
m += m_stride;
}
sad_u32[0 ] = vpadalq_u16(sad_u32[0 ], sad[0 ]);
sad_u32[1 ] = vpadalq_u16(sad_u32[1 ], sad[1 ]);
height -= 4 ;
} while (height != 0 );
return horizontal_add_u32x4(vaddq_u32(sad_u32[0 ], sad_u32[1 ]));
}
static inline unsigned int masked_sad_32xh_large_neon(
const uint8_t *src8, int src_stride, const uint8_t *a8, int a_stride,
const uint8_t *b8, int b_stride, const uint8_t *m, int m_stride,
int height) {
const uint16_t *src = CONVERT_TO_SHORTPTR(src8);
const uint16_t *a = CONVERT_TO_SHORTPTR(a8);
const uint16_t *b = CONVERT_TO_SHORTPTR(b8);
uint32x4_t sad_u32 = vdupq_n_u32(0 );
do {
uint16x8_t sad = vdupq_n_u16(0 );
for (int h = 0 ; h < 4 ; ++h) {
sad = masked_sad_32x1_neon(sad, src, a, b, m);
src += src_stride;
a += a_stride;
b += b_stride;
m += m_stride;
}
sad_u32 = vpadalq_u16(sad_u32, sad);
height -= 4 ;
} while (height != 0 );
return horizontal_add_u32x4(sad_u32);
}
static inline unsigned int masked_sad_16xh_large_neon(
const uint8_t *src8, int src_stride, const uint8_t *a8, int a_stride,
const uint8_t *b8, int b_stride, const uint8_t *m, int m_stride,
int height) {
const uint16_t *src = CONVERT_TO_SHORTPTR(src8);
const uint16_t *a = CONVERT_TO_SHORTPTR(a8);
const uint16_t *b = CONVERT_TO_SHORTPTR(b8);
uint32x4_t sad_u32 = vdupq_n_u32(0 );
do {
uint16x8_t sad_u16 = vdupq_n_u16(0 );
for (int h = 0 ; h < 8 ; ++h) {
sad_u16 = masked_sad_16x1_neon(sad_u16, src, a, b, m);
src += src_stride;
a += a_stride;
b += b_stride;
m += m_stride;
}
sad_u32 = vpadalq_u16(sad_u32, sad_u16);
height -= 8 ;
} while (height != 0 );
return horizontal_add_u32x4(sad_u32);
}
#if !CONFIG_REALTIME_ONLY
static inline unsigned int masked_sad_8xh_large_neon(
const uint8_t *src8, int src_stride, const uint8_t *a8, int a_stride,
const uint8_t *b8, int b_stride, const uint8_t *m, int m_stride,
int height) {
const uint16_t *src = CONVERT_TO_SHORTPTR(src8);
const uint16_t *a = CONVERT_TO_SHORTPTR(a8);
const uint16_t *b = CONVERT_TO_SHORTPTR(b8);
uint32x4_t sad_u32 = vdupq_n_u32(0 );
do {
uint16x8_t sad_u16 = vdupq_n_u16(0 );
for (int h = 0 ; h < 16 ; ++h) {
sad_u16 = masked_sad_8x1_neon(sad_u16, src, a, b, m);
src += src_stride;
a += a_stride;
b += b_stride;
m += m_stride;
}
sad_u32 = vpadalq_u16(sad_u32, sad_u16);
height -= 16 ;
} while (height != 0 );
return horizontal_add_u32x4(sad_u32);
}
#endif // !CONFIG_REALTIME_ONLY
static inline unsigned int masked_sad_16xh_small_neon(
const uint8_t *src8, int src_stride, const uint8_t *a8, int a_stride,
const uint8_t *b8, int b_stride, const uint8_t *m, int m_stride,
int height) {
// For 12-bit data, we can only accumulate up to 128 elements in the
// uint16x8_t type sad accumulator, so we can only process up to 8 rows
// before we have to accumulate into 32-bit elements.
assert(height <= 8 );
const uint16_t *src = CONVERT_TO_SHORTPTR(src8);
const uint16_t *a = CONVERT_TO_SHORTPTR(a8);
const uint16_t *b = CONVERT_TO_SHORTPTR(b8);
uint16x8_t sad = vdupq_n_u16(0 );
do {
sad = masked_sad_16x1_neon(sad, src, a, b, m);
src += src_stride;
a += a_stride;
b += b_stride;
m += m_stride;
} while (--height != 0 );
return horizontal_add_u16x8(sad);
}
static inline unsigned int masked_sad_8xh_small_neon(
const uint8_t *src8, int src_stride, const uint8_t *a8, int a_stride,
const uint8_t *b8, int b_stride, const uint8_t *m, int m_stride,
int height) {
// For 12-bit data, we can only accumulate up to 128 elements in the
// uint16x8_t type sad accumulator, so we can only process up to 16 rows
// before we have to accumulate into 32-bit elements.
assert(height <= 16 );
const uint16_t *src = CONVERT_TO_SHORTPTR(src8);
const uint16_t *a = CONVERT_TO_SHORTPTR(a8);
const uint16_t *b = CONVERT_TO_SHORTPTR(b8);
uint16x8_t sad = vdupq_n_u16(0 );
do {
sad = masked_sad_8x1_neon(sad, src, a, b, m);
src += src_stride;
a += a_stride;
b += b_stride;
m += m_stride;
} while (--height != 0 );
return horizontal_add_u16x8(sad);
}
static inline unsigned int masked_sad_4xh_small_neon(
const uint8_t *src8, int src_stride, const uint8_t *a8, int a_stride,
const uint8_t *b8, int b_stride, const uint8_t *m, int m_stride,
int height) {
// For 12-bit data, we can only accumulate up to 64 elements in the
// uint16x4_t type sad accumulator, so we can only process up to 16 rows
// before we have to accumulate into 32-bit elements.
assert(height <= 16 );
const uint16_t *src = CONVERT_TO_SHORTPTR(src8);
const uint16_t *a = CONVERT_TO_SHORTPTR(a8);
const uint16_t *b = CONVERT_TO_SHORTPTR(b8);
uint16x4_t sad = vdup_n_u16(0 );
do {
uint16x4_t m0 = vget_low_u16(vmovl_u8(load_unaligned_u8_4x1(m)));
uint16x4_t a0 = load_unaligned_u16_4x1(a);
uint16x4_t b0 = load_unaligned_u16_4x1(b);
uint16x4_t s0 = load_unaligned_u16_4x1(src);
uint16x4_t blend_u16 = alpha_blend_a64_u16x4(m0, a0, b0);
sad = vadd_u16(sad, vabd_u16(blend_u16, s0));
src += src_stride;
a += a_stride;
b += b_stride;
m += m_stride;
} while (--height != 0 );
return horizontal_add_u16x4(sad);
}
#define HIGHBD_MASKED_SAD_WXH_SMALL_NEON(w, h) \
unsigned int aom_highbd_masked_sad## w## x## h## _neon( \
const uint8_t *src, int src_stride, const uint8_t *ref, int ref_stride, \
const uint8_t *second_pred, const uint8_t *msk, int msk_stride, \
int invert_mask) { \
if (!invert_mask) \
return masked_sad_## w## xh_small_neon(src, src_stride, ref, ref_stride, \
second_pred, w, msk, msk_stride, \
h); \
else \
return masked_sad_## w## xh_small_neon(src, src_stride, second_pred, w, \
ref, ref_stride, msk, msk_stride, \
h); \
}
#define HIGHBD_MASKED_SAD_WXH_LARGE_NEON(w, h) \
unsigned int aom_highbd_masked_sad## w## x## h## _neon( \
const uint8_t *src, int src_stride, const uint8_t *ref, int ref_stride, \
const uint8_t *second_pred, const uint8_t *msk, int msk_stride, \
int invert_mask) { \
if (!invert_mask) \
return masked_sad_## w## xh_large_neon(src, src_stride, ref, ref_stride, \
second_pred, w, msk, msk_stride, \
h); \
else \
return masked_sad_## w## xh_large_neon(src, src_stride, second_pred, w, \
ref, ref_stride, msk, msk_stride, \
h); \
}
HIGHBD_MASKED_SAD_WXH_SMALL_NEON(4 , 4 )
HIGHBD_MASKED_SAD_WXH_SMALL_NEON(4 , 8 )
HIGHBD_MASKED_SAD_WXH_SMALL_NEON(8 , 4 )
HIGHBD_MASKED_SAD_WXH_SMALL_NEON(8 , 8 )
HIGHBD_MASKED_SAD_WXH_SMALL_NEON(8 , 16 )
HIGHBD_MASKED_SAD_WXH_SMALL_NEON(16 , 8 )
HIGHBD_MASKED_SAD_WXH_LARGE_NEON(16 , 16 )
HIGHBD_MASKED_SAD_WXH_LARGE_NEON(16 , 32 )
HIGHBD_MASKED_SAD_WXH_LARGE_NEON(32 , 16 )
HIGHBD_MASKED_SAD_WXH_LARGE_NEON(32 , 32 )
HIGHBD_MASKED_SAD_WXH_LARGE_NEON(32 , 64 )
HIGHBD_MASKED_SAD_WXH_LARGE_NEON(64 , 32 )
HIGHBD_MASKED_SAD_WXH_LARGE_NEON(64 , 64 )
HIGHBD_MASKED_SAD_WXH_LARGE_NEON(64 , 128 )
HIGHBD_MASKED_SAD_WXH_LARGE_NEON(128 , 64 )
HIGHBD_MASKED_SAD_WXH_LARGE_NEON(128 , 128 )
#if !CONFIG_REALTIME_ONLY
HIGHBD_MASKED_SAD_WXH_SMALL_NEON(4 , 16 )
HIGHBD_MASKED_SAD_WXH_LARGE_NEON(8 , 32 )
HIGHBD_MASKED_SAD_WXH_SMALL_NEON(16 , 4 )
HIGHBD_MASKED_SAD_WXH_LARGE_NEON(16 , 64 )
HIGHBD_MASKED_SAD_WXH_LARGE_NEON(32 , 8 )
HIGHBD_MASKED_SAD_WXH_LARGE_NEON(64 , 16 )
#endif // !CONFIG_REALTIME_ONLY
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