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/*
* Copyright (c) 2016, 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 <stdlib.h>
#include <emmintrin.h>
#include <tmmintrin.h>
#include "aom_ports/mem.h"
#include "./aom_config.h"
#include "aom/aom_integer.h"
static INLINE __m128i width8_load_2rows(const uint8_t *ptr, int stride) {
__m128i temp1 = _mm_loadl_epi64((const __m128i *)ptr);
__m128i temp2 = _mm_loadl_epi64((const __m128i *)(ptr + stride));
return _mm_unpacklo_epi64(temp1, temp2);
}
static INLINE __m128i width4_load_4rows(const uint8_t *ptr, int stride) {
__m128i temp1 = _mm_cvtsi32_si128(*(const uint32_t *)ptr);
__m128i temp2 = _mm_cvtsi32_si128(*(const uint32_t *)(ptr + stride));
__m128i temp3 = _mm_unpacklo_epi32(temp1, temp2);
temp1 = _mm_cvtsi32_si128(*(const uint32_t *)(ptr + stride * 2));
temp2 = _mm_cvtsi32_si128(*(const uint32_t *)(ptr + stride * 3));
temp1 = _mm_unpacklo_epi32(temp1, temp2);
return _mm_unpacklo_epi64(temp3, temp1);
}
static INLINE unsigned int masked_sad_ssse3(const uint8_t *a_ptr, int a_stride,
const uint8_t *b_ptr, int b_stride,
const uint8_t *m_ptr, int m_stride,
int width, int height);
static INLINE unsigned int masked_sad8xh_ssse3(
const uint8_t *a_ptr, int a_stride, const uint8_t *b_ptr, int b_stride,
const uint8_t *m_ptr, int m_stride, int height);
static INLINE unsigned int masked_sad4xh_ssse3(
const uint8_t *a_ptr, int a_stride, const uint8_t *b_ptr, int b_stride,
const uint8_t *m_ptr, int m_stride, int height);
#define MASKSADMXN_SSSE3(m, n) \
unsigned int aom_masked_sad##m##x##n##_ssse3( \
const uint8_t *src, int src_stride, const uint8_t *ref, int ref_stride, \
const uint8_t *msk, int msk_stride) { \
return masked_sad_ssse3(src, src_stride, ref, ref_stride, msk, msk_stride, \
m, n); \
}
#if CONFIG_EXT_PARTITION
MASKSADMXN_SSSE3(128, 128)
MASKSADMXN_SSSE3(128, 64)
MASKSADMXN_SSSE3(64, 128)
#endif // CONFIG_EXT_PARTITION
MASKSADMXN_SSSE3(64, 64)
MASKSADMXN_SSSE3(64, 32)
MASKSADMXN_SSSE3(32, 64)
MASKSADMXN_SSSE3(32, 32)
MASKSADMXN_SSSE3(32, 16)
MASKSADMXN_SSSE3(16, 32)
MASKSADMXN_SSSE3(16, 16)
MASKSADMXN_SSSE3(16, 8)
#define MASKSAD8XN_SSSE3(n) \
unsigned int aom_masked_sad8x##n##_ssse3( \
const uint8_t *src, int src_stride, const uint8_t *ref, int ref_stride, \
const uint8_t *msk, int msk_stride) { \
return masked_sad8xh_ssse3(src, src_stride, ref, ref_stride, msk, \
msk_stride, n); \
}
MASKSAD8XN_SSSE3(16)
MASKSAD8XN_SSSE3(8)
MASKSAD8XN_SSSE3(4)
#define MASKSAD4XN_SSSE3(n) \
unsigned int aom_masked_sad4x##n##_ssse3( \
const uint8_t *src, int src_stride, const uint8_t *ref, int ref_stride, \
const uint8_t *msk, int msk_stride) { \
return masked_sad4xh_ssse3(src, src_stride, ref, ref_stride, msk, \
msk_stride, n); \
}
MASKSAD4XN_SSSE3(8)
MASKSAD4XN_SSSE3(4)
// For width a multiple of 16
// Assumes values in m are <=64
static INLINE unsigned int masked_sad_ssse3(const uint8_t *a_ptr, int a_stride,
const uint8_t *b_ptr, int b_stride,
const uint8_t *m_ptr, int m_stride,
int width, int height) {
int y, x;
__m128i a, b, m, temp1, temp2;
__m128i res = _mm_setzero_si128();
__m128i one = _mm_set1_epi16(1);
// For each row
for (y = 0; y < height; y++) {
// Covering the full width
for (x = 0; x < width; x += 16) {
// Load a, b, m in xmm registers
a = _mm_loadu_si128((const __m128i *)(a_ptr + x));
b = _mm_loadu_si128((const __m128i *)(b_ptr + x));
m = _mm_loadu_si128((const __m128i *)(m_ptr + x));
// Calculate the difference between a & b
temp1 = _mm_subs_epu8(a, b);
temp2 = _mm_subs_epu8(b, a);
temp1 = _mm_or_si128(temp1, temp2);
// Multiply by m and add together
temp2 = _mm_maddubs_epi16(temp1, m);
// Pad out row result to 32 bit integers & add to running total
res = _mm_add_epi32(res, _mm_madd_epi16(temp2, one));
}
// Move onto the next row
a_ptr += a_stride;
b_ptr += b_stride;
m_ptr += m_stride;
}
res = _mm_hadd_epi32(res, _mm_setzero_si128());
res = _mm_hadd_epi32(res, _mm_setzero_si128());
// sad = (sad + 31) >> 6;
return (_mm_cvtsi128_si32(res) + 31) >> 6;
}
static INLINE unsigned int masked_sad8xh_ssse3(
const uint8_t *a_ptr, int a_stride, const uint8_t *b_ptr, int b_stride,
const uint8_t *m_ptr, int m_stride, int height) {
int y;
__m128i a, b, m, temp1, temp2, row_res;
__m128i res = _mm_setzero_si128();
__m128i one = _mm_set1_epi16(1);
// Add the masked SAD for 2 rows at a time
for (y = 0; y < height; y += 2) {
// Load a, b, m in xmm registers
a = width8_load_2rows(a_ptr, a_stride);
b = width8_load_2rows(b_ptr, b_stride);
m = width8_load_2rows(m_ptr, m_stride);
// Calculate the difference between a & b
temp1 = _mm_subs_epu8(a, b);
temp2 = _mm_subs_epu8(b, a);
temp1 = _mm_or_si128(temp1, temp2);
// Multiply by m and add together
row_res = _mm_maddubs_epi16(temp1, m);
// Pad out row result to 32 bit integers & add to running total
res = _mm_add_epi32(res, _mm_madd_epi16(row_res, one));
// Move onto the next rows
a_ptr += a_stride * 2;
b_ptr += b_stride * 2;
m_ptr += m_stride * 2;
}
res = _mm_hadd_epi32(res, _mm_setzero_si128());
res = _mm_hadd_epi32(res, _mm_setzero_si128());
// sad = (sad + 31) >> 6;
return (_mm_cvtsi128_si32(res) + 31) >> 6;
}
static INLINE unsigned int masked_sad4xh_ssse3(
const uint8_t *a_ptr, int a_stride, const uint8_t *b_ptr, int b_stride,
const uint8_t *m_ptr, int m_stride, int height) {
int y;
__m128i a, b, m, temp1, temp2, row_res;
__m128i res = _mm_setzero_si128();
__m128i one = _mm_set1_epi16(1);
// Add the masked SAD for 4 rows at a time
for (y = 0; y < height; y += 4) {
// Load a, b, m in xmm registers
a = width4_load_4rows(a_ptr, a_stride);
b = width4_load_4rows(b_ptr, b_stride);
m = width4_load_4rows(m_ptr, m_stride);
// Calculate the difference between a & b
temp1 = _mm_subs_epu8(a, b);
temp2 = _mm_subs_epu8(b, a);
temp1 = _mm_or_si128(temp1, temp2);
// Multiply by m and add together
row_res = _mm_maddubs_epi16(temp1, m);
// Pad out row result to 32 bit integers & add to running total
res = _mm_add_epi32(res, _mm_madd_epi16(row_res, one));
// Move onto the next rows
a_ptr += a_stride * 4;
b_ptr += b_stride * 4;
m_ptr += m_stride * 4;
}
// Pad out row result to 32 bit integers & add to running total
res = _mm_hadd_epi32(res, _mm_setzero_si128());
res = _mm_hadd_epi32(res, _mm_setzero_si128());
// sad = (sad + 31) >> 6;
return (_mm_cvtsi128_si32(res) + 31) >> 6;
}
#if CONFIG_HIGHBITDEPTH
static INLINE __m128i highbd_width4_load_2rows(const uint16_t *ptr,
int stride) {
__m128i temp1 = _mm_loadl_epi64((const __m128i *)ptr);
__m128i temp2 = _mm_loadl_epi64((const __m128i *)(ptr + stride));
return _mm_unpacklo_epi64(temp1, temp2);
}
static INLINE unsigned int highbd_masked_sad_ssse3(
const uint8_t *a8_ptr, int a_stride, const uint8_t *b8_ptr, int b_stride,
const uint8_t *m_ptr, int m_stride, int width, int height);
static INLINE unsigned int highbd_masked_sad4xh_ssse3(
const uint8_t *a8_ptr, int a_stride, const uint8_t *b8_ptr, int b_stride,
const uint8_t *m_ptr, int m_stride, int height);
#define HIGHBD_MASKSADMXN_SSSE3(m, n) \
unsigned int aom_highbd_masked_sad##m##x##n##_ssse3( \
const uint8_t *src, int src_stride, const uint8_t *ref, int ref_stride, \
const uint8_t *msk, int msk_stride) { \
return highbd_masked_sad_ssse3(src, src_stride, ref, ref_stride, msk, \
msk_stride, m, n); \
}
#if CONFIG_EXT_PARTITION
HIGHBD_MASKSADMXN_SSSE3(128, 128)
HIGHBD_MASKSADMXN_SSSE3(128, 64)
HIGHBD_MASKSADMXN_SSSE3(64, 128)
#endif // CONFIG_EXT_PARTITION
HIGHBD_MASKSADMXN_SSSE3(64, 64)
HIGHBD_MASKSADMXN_SSSE3(64, 32)
HIGHBD_MASKSADMXN_SSSE3(32, 64)
HIGHBD_MASKSADMXN_SSSE3(32, 32)
HIGHBD_MASKSADMXN_SSSE3(32, 16)
HIGHBD_MASKSADMXN_SSSE3(16, 32)
HIGHBD_MASKSADMXN_SSSE3(16, 16)
HIGHBD_MASKSADMXN_SSSE3(16, 8)
HIGHBD_MASKSADMXN_SSSE3(8, 16)
HIGHBD_MASKSADMXN_SSSE3(8, 8)
HIGHBD_MASKSADMXN_SSSE3(8, 4)
#define HIGHBD_MASKSAD4XN_SSSE3(n) \
unsigned int aom_highbd_masked_sad4x##n##_ssse3( \
const uint8_t *src, int src_stride, const uint8_t *ref, int ref_stride, \
const uint8_t *msk, int msk_stride) { \
return highbd_masked_sad4xh_ssse3(src, src_stride, ref, ref_stride, msk, \
msk_stride, n); \
}
HIGHBD_MASKSAD4XN_SSSE3(8)
HIGHBD_MASKSAD4XN_SSSE3(4)
// For width a multiple of 8
// Assumes values in m are <=64
static INLINE unsigned int highbd_masked_sad_ssse3(
const uint8_t *a8_ptr, int a_stride, const uint8_t *b8_ptr, int b_stride,
const uint8_t *m_ptr, int m_stride, int width, int height) {
int y, x;
__m128i a, b, m, temp1, temp2;
const uint16_t *a_ptr = CONVERT_TO_SHORTPTR(a8_ptr);
const uint16_t *b_ptr = CONVERT_TO_SHORTPTR(b8_ptr);
__m128i res = _mm_setzero_si128();
// For each row
for (y = 0; y < height; y++) {
// Covering the full width
for (x = 0; x < width; x += 8) {
// Load a, b, m in xmm registers
a = _mm_loadu_si128((const __m128i *)(a_ptr + x));
b = _mm_loadu_si128((const __m128i *)(b_ptr + x));
m = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(m_ptr + x)),
_mm_setzero_si128());
// Calculate the difference between a & b
temp1 = _mm_subs_epu16(a, b);
temp2 = _mm_subs_epu16(b, a);
temp1 = _mm_or_si128(temp1, temp2);
// Add result of multiplying by m and add pairs together to running total
res = _mm_add_epi32(res, _mm_madd_epi16(temp1, m));
}
// Move onto the next row
a_ptr += a_stride;
b_ptr += b_stride;
m_ptr += m_stride;
}
res = _mm_hadd_epi32(res, _mm_setzero_si128());
res = _mm_hadd_epi32(res, _mm_setzero_si128());
// sad = (sad + 31) >> 6;
return (_mm_cvtsi128_si32(res) + 31) >> 6;
}
static INLINE unsigned int highbd_masked_sad4xh_ssse3(
const uint8_t *a8_ptr, int a_stride, const uint8_t *b8_ptr, int b_stride,
const uint8_t *m_ptr, int m_stride, int height) {
int y;
__m128i a, b, m, temp1, temp2;
const uint16_t *a_ptr = CONVERT_TO_SHORTPTR(a8_ptr);
const uint16_t *b_ptr = CONVERT_TO_SHORTPTR(b8_ptr);
__m128i res = _mm_setzero_si128();
// Add the masked SAD for 2 rows at a time
for (y = 0; y < height; y += 2) {
// Load a, b, m in xmm registers
a = highbd_width4_load_2rows(a_ptr, a_stride);
b = highbd_width4_load_2rows(b_ptr, b_stride);
temp1 = _mm_loadl_epi64((const __m128i *)m_ptr);
temp2 = _mm_loadl_epi64((const __m128i *)(m_ptr + m_stride));
m = _mm_unpacklo_epi8(_mm_unpacklo_epi32(temp1, temp2),
_mm_setzero_si128());
// Calculate the difference between a & b
temp1 = _mm_subs_epu16(a, b);
temp2 = _mm_subs_epu16(b, a);
temp1 = _mm_or_si128(temp1, temp2);
// Multiply by m and add together
res = _mm_add_epi32(res, _mm_madd_epi16(temp1, m));
// Move onto the next rows
a_ptr += a_stride * 2;
b_ptr += b_stride * 2;
m_ptr += m_stride * 2;
}
res = _mm_hadd_epi32(res, _mm_setzero_si128());
res = _mm_hadd_epi32(res, _mm_setzero_si128());
// sad = (sad + 31) >> 6;
return (_mm_cvtsi128_si32(res) + 31) >> 6;
}
#endif // CONFIG_HIGHBITDEPTH
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