/*
* 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 <smmintrin.h>
// SSE4.1
#include <assert.h>
#include "aom/aom_integer.h"
#include "aom_ports/mem.h"
#include "aom_dsp/aom_dsp_common.h"
#include "aom_dsp/blend.h"
#include "aom_dsp/x86/synonyms.h"
#include "aom_dsp/x86/blend_sse4.h"
#include "config/aom_dsp_rtcd.h"
//////////////////////////////////////////////////////////////////////////////
// Implementation - No sub-sampling
//////////////////////////////////////////////////////////////////////////////
static void blend_a64_vmask_w4_sse4_1(uint8_t *dst, uint32_t dst_stride,
const uint8_t *src0, uint32_t src0_stride,
const uint8_t *src1, uint32_t src1_stride,
const uint8_t *mask,
int w,
int h) {
const __m128i v_maxval_w = _mm_set1_epi16(AOM_BLEND_A64_MAX_ALPHA);
(
void)w;
do {
const __m128i v_m0_w = _mm_set1_epi16(*mask);
const __m128i v_m1_w = _mm_sub_epi16(v_maxval_w, v_m0_w);
const __m128i v_res_w = blend_4(src0, src1, &v_m0_w, &v_m1_w);
const __m128i v_res_b = _mm_packus_epi16(v_res_w, v_res_w);
xx_storel_32(dst, v_res_b);
dst += dst_stride;
src0 += src0_stride;
src1 += src1_stride;
mask += 1;
}
while (--h);
}
static void blend_a64_vmask_w8_sse4_1(uint8_t *dst, uint32_t dst_stride,
const uint8_t *src0, uint32_t src0_stride,
const uint8_t *src1, uint32_t src1_stride,
const uint8_t *mask,
int w,
int h) {
const __m128i v_maxval_w = _mm_set1_epi16(AOM_BLEND_A64_MAX_ALPHA);
(
void)w;
do {
const __m128i v_m0_w = _mm_set1_epi16(*mask);
const __m128i v_m1_w = _mm_sub_epi16(v_maxval_w, v_m0_w);
const __m128i v_res_w = blend_8(src0, src1, &v_m0_w, &v_m1_w);
const __m128i v_res_b = _mm_packus_epi16(v_res_w, v_res_w);
xx_storel_64(dst, v_res_b);
dst += dst_stride;
src0 += src0_stride;
src1 += src1_stride;
mask += 1;
}
while (--h);
}
static void blend_a64_vmask_w16n_sse4_1(uint8_t *dst, uint32_t dst_stride,
const uint8_t *src0,
uint32_t src0_stride,
const uint8_t *src1,
uint32_t src1_stride,
const uint8_t *mask,
int w,
int h) {
const __m128i v_maxval_w = _mm_set1_epi16(AOM_BLEND_A64_MAX_ALPHA);
do {
int c;
const __m128i v_m0_w = _mm_set1_epi16(*mask);
const __m128i v_m1_w = _mm_sub_epi16(v_maxval_w, v_m0_w);
for (c = 0; c < w; c += 16) {
const __m128i v_resl_w = blend_8(src0 + c, src1 + c, &v_m0_w, &v_m1_w);
const __m128i v_resh_w =
blend_8(src0 + c + 8, src1 + c + 8, &v_m0_w, &v_m1_w);
const __m128i v_res_b = _mm_packus_epi16(v_resl_w, v_resh_w);
xx_storeu_128(dst + c, v_res_b);
}
dst += dst_stride;
src0 += src0_stride;
src1 += src1_stride;
mask += 1;
}
while (--h);
}
//////////////////////////////////////////////////////////////////////////////
// Dispatch
//////////////////////////////////////////////////////////////////////////////
void aom_blend_a64_vmask_sse4_1(uint8_t *dst, uint32_t dst_stride,
const uint8_t *src0, uint32_t src0_stride,
const uint8_t *src1, uint32_t src1_stride,
const uint8_t *mask,
int w,
int h) {
typedef void (*blend_fn)(uint8_t * dst, uint32_t dst_stride,
const uint8_t *src0, uint32_t src0_stride,
const uint8_t *src1, uint32_t src1_stride,
const uint8_t *mask,
int w,
int h);
// Dimension: width_index
static const blend_fn blend[9] = {
blend_a64_vmask_w16n_sse4_1,
// w % 16 == 0
aom_blend_a64_vmask_c,
// w == 1
aom_blend_a64_vmask_c,
// w == 2
NULL,
// INVALID
blend_a64_vmask_w4_sse4_1,
// w == 4
NULL,
// INVALID
NULL,
// INVALID
NULL,
// INVALID
blend_a64_vmask_w8_sse4_1,
// w == 8
};
assert(IMPLIES(src0 == dst, src0_stride == dst_stride));
assert(IMPLIES(src1 == dst, src1_stride == dst_stride));
assert(h >= 1);
assert(w >= 1);
assert(IS_POWER_OF_TWO(h));
assert(IS_POWER_OF_TWO(w));
blend[w & 0xf](dst, dst_stride, src0, src0_stride, src1, src1_stride, mask, w,
h);
}
#if CONFIG_AV1_HIGHBITDEPTH
//////////////////////////////////////////////////////////////////////////////
// Implementation - No sub-sampling
//////////////////////////////////////////////////////////////////////////////
static inline void blend_a64_vmask_bn_w4_sse4_1(
uint16_t *dst, uint32_t dst_stride,
const uint16_t *src0,
uint32_t src0_stride,
const uint16_t *src1, uint32_t src1_stride,
const uint8_t *mask,
int h, blend_unit_fn blend) {
const __m128i v_maxval_w = _mm_set1_epi16(AOM_BLEND_A64_MAX_ALPHA);
do {
const __m128i v_m0_w = _mm_set1_epi16(*mask);
const __m128i v_m1_w = _mm_sub_epi16(v_maxval_w, v_m0_w);
const __m128i v_res_w = blend(src0, src1, v_m0_w, v_m1_w);
xx_storel_64(dst, v_res_w);
dst += dst_stride;
src0 += src0_stride;
src1 += src1_stride;
mask += 1;
}
while (--h);
}
static void blend_a64_vmask_b10_w4_sse4_1(uint16_t *dst, uint32_t dst_stride,
const uint16_t *src0,
uint32_t src0_stride,
const uint16_t *src1,
uint32_t src1_stride,
const uint8_t *mask,
int w,
int h) {
(
void)w;
blend_a64_vmask_bn_w4_sse4_1(dst, dst_stride, src0, src0_stride, src1,
src1_stride, mask, h, blend_4_b10);
}
static void blend_a64_vmask_b12_w4_sse4_1(uint16_t *dst, uint32_t dst_stride,
const uint16_t *src0,
uint32_t src0_stride,
const uint16_t *src1,
uint32_t src1_stride,
const uint8_t *mask,
int w,
int h) {
(
void)w;
blend_a64_vmask_bn_w4_sse4_1(dst, dst_stride, src0, src0_stride, src1,
src1_stride, mask, h, blend_4_b12);
}
static inline void blend_a64_vmask_bn_w8n_sse4_1(
uint16_t *dst, uint32_t dst_stride,
const uint16_t *src0,
uint32_t src0_stride,
const uint16_t *src1, uint32_t src1_stride,
const uint8_t *mask,
int w,
int h, blend_unit_fn blend) {
const __m128i v_maxval_w = _mm_set1_epi16(AOM_BLEND_A64_MAX_ALPHA);
do {
int c;
const __m128i v_m0_w = _mm_set1_epi16(*mask);
const __m128i v_m1_w = _mm_sub_epi16(v_maxval_w, v_m0_w);
for (c = 0; c < w; c += 8) {
const __m128i v_res_w = blend(src0 + c, src1 + c, v_m0_w, v_m1_w);
xx_storeu_128(dst + c, v_res_w);
}
dst += dst_stride;
src0 += src0_stride;
src1 += src1_stride;
mask += 1;
}
while (--h);
}
static void blend_a64_vmask_b10_w8n_sse4_1(uint16_t *dst, uint32_t dst_stride,
const uint16_t *src0,
uint32_t src0_stride,
const uint16_t *src1,
uint32_t src1_stride,
const uint8_t *mask,
int w,
int h) {
blend_a64_vmask_bn_w8n_sse4_1(dst, dst_stride, src0, src0_stride, src1,
src1_stride, mask, w, h, blend_8_b10);
}
static void blend_a64_vmask_b12_w8n_sse4_1(uint16_t *dst, uint32_t dst_stride,
const uint16_t *src0,
uint32_t src0_stride,
const uint16_t *src1,
uint32_t src1_stride,
const uint8_t *mask,
int w,
int h) {
blend_a64_vmask_bn_w8n_sse4_1(dst, dst_stride, src0, src0_stride, src1,
src1_stride, mask, w, h, blend_8_b12);
}
//////////////////////////////////////////////////////////////////////////////
// Dispatch
//////////////////////////////////////////////////////////////////////////////
void aom_highbd_blend_a64_vmask_sse4_1(
uint8_t *dst_8, uint32_t dst_stride,
const uint8_t *src0_8,
uint32_t src0_stride,
const uint8_t *src1_8, uint32_t src1_stride,
const uint8_t *mask,
int w,
int h,
int bd) {
typedef void (*blend_fn)(uint16_t * dst, uint32_t dst_stride,
const uint16_t *src0, uint32_t src0_stride,
const uint16_t *src1, uint32_t src1_stride,
const uint8_t *mask,
int w,
int h);
// Dimensions are: bd_index X width_index
static const blend_fn blend[2][2] = {
{
// bd == 8 or 10
blend_a64_vmask_b10_w8n_sse4_1,
// w % 8 == 0
blend_a64_vmask_b10_w4_sse4_1,
// w == 4
},
{
// bd == 12
blend_a64_vmask_b12_w8n_sse4_1,
// w % 8 == 0
blend_a64_vmask_b12_w4_sse4_1,
// w == 4
}
};
assert(IMPLIES(src0_8 == dst_8, src0_stride == dst_stride));
assert(IMPLIES(src1_8 == dst_8, src1_stride == dst_stride));
assert(h >= 1);
assert(w >= 1);
assert(IS_POWER_OF_TWO(h));
assert(IS_POWER_OF_TWO(w));
assert(bd == 8 || bd == 10 || bd == 12);
if (UNLIKELY((h | w) & 3)) {
// if (w <= 2 || h <= 2)
aom_highbd_blend_a64_vmask_c(dst_8, dst_stride, src0_8, src0_stride, src1_8,
src1_stride, mask, w, h, bd);
}
else {
uint16_t *
const dst = CONVERT_TO_SHORTPTR(dst_8);
const uint16_t *
const src0 = CONVERT_TO_SHORTPTR(src0_8);
const uint16_t *
const src1 = CONVERT_TO_SHORTPTR(src1_8);
blend[bd == 12][(w >> 2) & 1](dst, dst_stride, src0, src0_stride, src1,
src1_stride, mask, w, h);
}
}
#endif // CONFIG_AV1_HIGHBITDEPTH
