/*
* Copyright (c) 2014 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 unsigned int sad64xh_neon(
const uint8_t *src_ptr,
int src_stride,
const uint8_t *ref_ptr,
int ref_stride,
int h) {
uint16x8_t sum[
4] = { vdupq_n_u16(
0), vdupq_n_u16(
0), vdupq_n_u16(
0),
vdupq_n_u16(
0) };
uint32x4_t sum_u32;
int i = h;
do {
uint8x16_t s0, s1, s2, s3, r0, r1, r2, r3;
uint8x16_t diff0, diff1, diff2, diff3;
s0 = vld1q_u8(src_ptr);
r0 = vld1q_u8(ref_ptr);
diff0 = vabdq_u8(s0, r0);
sum[
0] = vpadalq_u8(sum[
0], diff0);
s1 = vld1q_u8(src_ptr +
16);
r1 = vld1q_u8(ref_ptr +
16);
diff1 = vabdq_u8(s1, r1);
sum[
1] = vpadalq_u8(sum[
1], diff1);
s2 = vld1q_u8(src_ptr +
32);
r2 = vld1q_u8(ref_ptr +
32);
diff2 = vabdq_u8(s2, r2);
sum[
2] = vpadalq_u8(sum[
2], diff2);
s3 = vld1q_u8(src_ptr +
48);
r3 = vld1q_u8(ref_ptr +
48);
diff3 = vabdq_u8(s3, r3);
sum[
3] = vpadalq_u8(sum[
3], diff3);
src_ptr += src_stride;
ref_ptr += ref_stride;
}
while (--i !=
0);
sum_u32 = vpaddlq_u16(sum[
0]);
sum_u32 = vpadalq_u16(sum_u32, sum[
1]);
sum_u32 = vpadalq_u16(sum_u32, sum[
2]);
sum_u32 = vpadalq_u16(sum_u32, sum[
3]);
return horizontal_add_uint32x4(sum_u32);
}
static INLINE unsigned int sad32xh_neon(
const uint8_t *src_ptr,
int src_stride,
const uint8_t *ref_ptr,
int ref_stride,
int h) {
uint32x4_t sum = vdupq_n_u32(
0);
int i = h;
do {
uint8x16_t s0 = vld1q_u8(src_ptr);
uint8x16_t r0 = vld1q_u8(ref_ptr);
uint8x16_t diff0 = vabdq_u8(s0, r0);
uint16x8_t sum0 = vpaddlq_u8(diff0);
uint8x16_t s1 = vld1q_u8(src_ptr +
16);
uint8x16_t r1 = vld1q_u8(ref_ptr +
16);
uint8x16_t diff1 = vabdq_u8(s1, r1);
uint16x8_t sum1 = vpaddlq_u8(diff1);
sum = vpadalq_u16(sum, sum0);
sum = vpadalq_u16(sum, sum1);
src_ptr += src_stride;
ref_ptr += ref_stride;
}
while (--i !=
0);
return horizontal_add_uint32x4(sum);
}
static INLINE unsigned int sad16xh_neon(
const uint8_t *src_ptr,
int src_stride,
const uint8_t *ref_ptr,
int ref_stride,
int h) {
uint16x8_t sum = vdupq_n_u16(
0);
int i = h;
do {
uint8x16_t s = vld1q_u8(src_ptr);
uint8x16_t r = vld1q_u8(ref_ptr);
uint8x16_t diff = vabdq_u8(s, r);
sum = vpadalq_u8(sum, diff);
src_ptr += src_stride;
ref_ptr += ref_stride;
}
while (--i !=
0);
return horizontal_add_uint16x8(sum);
}
static INLINE unsigned int sad8xh_neon(
const uint8_t *src_ptr,
int src_stride,
const uint8_t *ref_ptr,
int ref_stride,
int h) {
uint16x8_t sum = vdupq_n_u16(
0);
int i = h;
do {
uint8x8_t s = vld1_u8(src_ptr);
uint8x8_t r = vld1_u8(ref_ptr);
sum = vabal_u8(sum, s, r);
src_ptr += src_stride;
ref_ptr += ref_stride;
}
while (--i !=
0);
return horizontal_add_uint16x8(sum);
}
static INLINE unsigned int sad4xh_neon(
const uint8_t *src_ptr,
int src_stride,
const uint8_t *ref_ptr,
int ref_stride,
int h) {
uint16x8_t sum = vdupq_n_u16(
0);
int i = h /
2;
do {
uint8x8_t s = load_unaligned_u8(src_ptr, src_stride);
uint8x8_t r = load_unaligned_u8(ref_ptr, ref_stride);
sum = vabal_u8(sum, s, r);
src_ptr +=
2 * src_stride;
ref_ptr +=
2 * ref_stride;
}
while (--i !=
0);
return horizontal_add_uint16x8(sum);
}
#define SAD_WXH_NEON(w, h) \
unsigned int vpx_sad
##w
##x
##h
##_neon(
const uint8_t *src,
int src_stride, \
const uint8_t *ref,
int ref_stride) { \
return sad
##w
##xh_neon(src, src_stride, ref, ref_stride, (h)); \
}
SAD_WXH_NEON(
4,
4)
SAD_WXH_NEON(
4,
8)
SAD_WXH_NEON(
8,
4)
SAD_WXH_NEON(
8,
8)
SAD_WXH_NEON(
8,
16)
SAD_WXH_NEON(
16,
8)
SAD_WXH_NEON(
16,
16)
SAD_WXH_NEON(
16,
32)
SAD_WXH_NEON(
32,
16)
SAD_WXH_NEON(
32,
32)
SAD_WXH_NEON(
32,
64)
SAD_WXH_NEON(
64,
32)
SAD_WXH_NEON(
64,
64)
#undef SAD_WXH_NEON
#define SAD_SKIP_WXH_NEON(w, h) \
unsigned int vpx_sad_skip_
##w
##x
##h
##_neon( \
const uint8_t *src,
int src_stride,
const uint8_t *ref, \
int ref_stride) { \
return 2 * \
sad
##w
##xh_neon(src,
2 * src_stride, ref,
2 * ref_stride, (h) /
2); \
}
SAD_SKIP_WXH_NEON(
4,
4)
SAD_SKIP_WXH_NEON(
4,
8)
SAD_SKIP_WXH_NEON(
8,
4)
SAD_SKIP_WXH_NEON(
8,
8)
SAD_SKIP_WXH_NEON(
8,
16)
SAD_SKIP_WXH_NEON(
16,
8)
SAD_SKIP_WXH_NEON(
16,
16)
SAD_SKIP_WXH_NEON(
16,
32)
SAD_SKIP_WXH_NEON(
32,
16)
SAD_SKIP_WXH_NEON(
32,
32)
SAD_SKIP_WXH_NEON(
32,
64)
SAD_SKIP_WXH_NEON(
64,
32)
SAD_SKIP_WXH_NEON(
64,
64)
#undef SAD_SKIP_WXH_NEON
static INLINE unsigned int sad64xh_avg_neon(
const uint8_t *src_ptr,
int src_stride,
const uint8_t *ref_ptr,
int ref_stride,
int h,
const uint8_t *second_pred) {
uint16x8_t sum[
4] = { vdupq_n_u16(
0), vdupq_n_u16(
0), vdupq_n_u16(
0),
vdupq_n_u16(
0) };
uint32x4_t sum_u32;
int i = h;
do {
uint8x16_t s0, s1, s2, s3, r0, r1, r2, r3, p0, p1, p2, p3;
uint8x16_t avg0, avg1, avg2, avg3, diff0, diff1, diff2, diff3;
s0 = vld1q_u8(src_ptr);
r0 = vld1q_u8(ref_ptr);
p0 = vld1q_u8(second_pred);
avg0 = vrhaddq_u8(r0, p0);
diff0 = vabdq_u8(s0, avg0);
sum[
0] = vpadalq_u8(sum[
0], diff0);
s1 = vld1q_u8(src_ptr +
16);
r1 = vld1q_u8(ref_ptr +
16);
p1 = vld1q_u8(second_pred +
16);
avg1 = vrhaddq_u8(r1, p1);
diff1 = vabdq_u8(s1, avg1);
sum[
1] = vpadalq_u8(sum[
1], diff1);
s2 = vld1q_u8(src_ptr +
32);
r2 = vld1q_u8(ref_ptr +
32);
p2 = vld1q_u8(second_pred +
32);
avg2 = vrhaddq_u8(r2, p2);
diff2 = vabdq_u8(s2, avg2);
sum[
2] = vpadalq_u8(sum[
2], diff2);
s3 = vld1q_u8(src_ptr +
48);
r3 = vld1q_u8(ref_ptr +
48);
p3 = vld1q_u8(second_pred +
48);
avg3 = vrhaddq_u8(r3, p3);
diff3 = vabdq_u8(s3, avg3);
sum[
3] = vpadalq_u8(sum[
3], diff3);
src_ptr += src_stride;
ref_ptr += ref_stride;
second_pred +=
64;
}
while (--i !=
0);
sum_u32 = vpaddlq_u16(sum[
0]);
sum_u32 = vpadalq_u16(sum_u32, sum[
1]);
sum_u32 = vpadalq_u16(sum_u32, sum[
2]);
sum_u32 = vpadalq_u16(sum_u32, sum[
3]);
return horizontal_add_uint32x4(sum_u32);
}
static INLINE unsigned int sad32xh_avg_neon(
const uint8_t *src_ptr,
int src_stride,
const uint8_t *ref_ptr,
int ref_stride,
int h,
const uint8_t *second_pred) {
uint32x4_t sum = vdupq_n_u32(
0);
int i = h;
do {
uint8x16_t s0 = vld1q_u8(src_ptr);
uint8x16_t r0 = vld1q_u8(ref_ptr);
uint8x16_t p0 = vld1q_u8(second_pred);
uint8x16_t avg0 = vrhaddq_u8(r0, p0);
uint8x16_t diff0 = vabdq_u8(s0, avg0);
uint16x8_t sum0 = vpaddlq_u8(diff0);
uint8x16_t s1 = vld1q_u8(src_ptr +
16);
uint8x16_t r1 = vld1q_u8(ref_ptr +
16);
uint8x16_t p1 = vld1q_u8(second_pred +
16);
uint8x16_t avg1 = vrhaddq_u8(r1, p1);
uint8x16_t diff1 = vabdq_u8(s1, avg1);
uint16x8_t sum1 = vpaddlq_u8(diff1);
sum = vpadalq_u16(sum, sum0);
sum = vpadalq_u16(sum, sum1);
src_ptr += src_stride;
ref_ptr += ref_stride;
second_pred +=
32;
}
while (--i !=
0);
return horizontal_add_uint32x4(sum);
}
static INLINE unsigned int sad16xh_avg_neon(
const uint8_t *src_ptr,
int src_stride,
const uint8_t *ref_ptr,
int ref_stride,
int h,
const uint8_t *second_pred) {
uint16x8_t sum = vdupq_n_u16(
0);
int i = h;
do {
uint8x16_t s = vld1q_u8(src_ptr);
uint8x16_t r = vld1q_u8(ref_ptr);
uint8x16_t p = vld1q_u8(second_pred);
uint8x16_t avg = vrhaddq_u8(r, p);
uint8x16_t diff = vabdq_u8(s, avg);
sum = vpadalq_u8(sum, diff);
src_ptr += src_stride;
ref_ptr += ref_stride;
second_pred +=
16;
}
while (--i !=
0);
return horizontal_add_uint16x8(sum);
}
static INLINE unsigned int sad8xh_avg_neon(
const uint8_t *src_ptr,
int src_stride,
const uint8_t *ref_ptr,
int ref_stride,
int h,
const uint8_t *second_pred) {
uint16x8_t sum = vdupq_n_u16(
0);
int i = h;
do {
uint8x8_t s = vld1_u8(src_ptr);
uint8x8_t r = vld1_u8(ref_ptr);
uint8x8_t p = vld1_u8(second_pred);
uint8x8_t avg = vrhadd_u8(r, p);
sum = vabal_u8(sum, s, avg);
src_ptr += src_stride;
ref_ptr += ref_stride;
second_pred +=
8;
}
while (--i !=
0);
return horizontal_add_uint16x8(sum);
}
static INLINE unsigned int sad4xh_avg_neon(
const uint8_t *src_ptr,
int src_stride,
const uint8_t *ref_ptr,
int ref_stride,
int h,
const uint8_t *second_pred) {
uint16x8_t sum = vdupq_n_u16(
0);
int i = h /
2;
do {
uint8x8_t s = load_unaligned_u8(src_ptr, src_stride);
uint8x8_t r = load_unaligned_u8(ref_ptr, ref_stride);
uint8x8_t p = vld1_u8(second_pred);
uint8x8_t avg = vrhadd_u8(r, p);
sum = vabal_u8(sum, s, avg);
src_ptr +=
2 * src_stride;
ref_ptr +=
2 * ref_stride;
second_pred +=
8;
}
while (--i !=
0);
return horizontal_add_uint16x8(sum);
}
#define SAD_WXH_AVG_NEON(w, h) \
uint32_t vpx_sad
##w
##x
##h
##_avg_neon(
const uint8_t *src,
int src_stride, \
const uint8_t *ref,
int ref_stride, \
const uint8_t *second_pred) { \
return sad
##w
##xh_avg_neon(src, src_stride, ref, ref_stride, (h), \
second_pred); \
}
SAD_WXH_AVG_NEON(
4,
4)
SAD_WXH_AVG_NEON(
4,
8)
SAD_WXH_AVG_NEON(
8,
4)
SAD_WXH_AVG_NEON(
8,
8)
SAD_WXH_AVG_NEON(
8,
16)
SAD_WXH_AVG_NEON(
16,
8)
SAD_WXH_AVG_NEON(
16,
16)
SAD_WXH_AVG_NEON(
16,
32)
SAD_WXH_AVG_NEON(
32,
16)
SAD_WXH_AVG_NEON(
32,
32)
SAD_WXH_AVG_NEON(
32,
64)
SAD_WXH_AVG_NEON(
64,
32)
SAD_WXH_AVG_NEON(
64,
64)
#undef SAD_WXH_AVG_NEON
