tenfourfox/media/libvpx/vp9/encoder/x86/vp9_variance_avx2.c
Cameron Kaiser c9b2922b70 hello FPR
2017-04-19 00:56:45 -07:00

105 lines
5.2 KiB
C

/*
* Copyright (c) 2012 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 "./vp9_rtcd.h"
#include "./vpx_config.h"
#include "vp9/encoder/vp9_variance.h"
#include "vpx_ports/mem.h"
unsigned int vp9_sub_pixel_variance32xh_avx2(const uint8_t *src, int src_stride,
int x_offset, int y_offset,
const uint8_t *dst, int dst_stride,
int height,
unsigned int *sse);
unsigned int vp9_sub_pixel_avg_variance32xh_avx2(const uint8_t *src,
int src_stride,
int x_offset,
int y_offset,
const uint8_t *dst,
int dst_stride,
const uint8_t *sec,
int sec_stride,
int height,
unsigned int *sseptr);
unsigned int vp9_sub_pixel_variance64x64_avx2(const uint8_t *src,
int src_stride,
int x_offset,
int y_offset,
const uint8_t *dst,
int dst_stride,
unsigned int *sse) {
unsigned int sse1;
const int se1 = vp9_sub_pixel_variance32xh_avx2(src, src_stride, x_offset,
y_offset, dst, dst_stride,
64, &sse1);
unsigned int sse2;
const int se2 = vp9_sub_pixel_variance32xh_avx2(src + 32, src_stride,
x_offset, y_offset,
dst + 32, dst_stride,
64, &sse2);
const int se = se1 + se2;
*sse = sse1 + sse2;
return *sse - (((int64_t)se * se) >> 12);
}
unsigned int vp9_sub_pixel_variance32x32_avx2(const uint8_t *src,
int src_stride,
int x_offset,
int y_offset,
const uint8_t *dst,
int dst_stride,
unsigned int *sse) {
const int se = vp9_sub_pixel_variance32xh_avx2(src, src_stride, x_offset,
y_offset, dst, dst_stride,
32, sse);
return *sse - (((int64_t)se * se) >> 10);
}
unsigned int vp9_sub_pixel_avg_variance64x64_avx2(const uint8_t *src,
int src_stride,
int x_offset,
int y_offset,
const uint8_t *dst,
int dst_stride,
unsigned int *sse,
const uint8_t *sec) {
unsigned int sse1;
const int se1 = vp9_sub_pixel_avg_variance32xh_avx2(src, src_stride, x_offset,
y_offset, dst, dst_stride,
sec, 64, 64, &sse1);
unsigned int sse2;
const int se2 =
vp9_sub_pixel_avg_variance32xh_avx2(src + 32, src_stride, x_offset,
y_offset, dst + 32, dst_stride,
sec + 32, 64, 64, &sse2);
const int se = se1 + se2;
*sse = sse1 + sse2;
return *sse - (((int64_t)se * se) >> 12);
}
unsigned int vp9_sub_pixel_avg_variance32x32_avx2(const uint8_t *src,
int src_stride,
int x_offset,
int y_offset,
const uint8_t *dst,
int dst_stride,
unsigned int *sse,
const uint8_t *sec) {
// processing 32 element in parallel
const int se = vp9_sub_pixel_avg_variance32xh_avx2(src, src_stride, x_offset,
y_offset, dst, dst_stride,
sec, 32, 32, sse);
return *sse - (((int64_t)se * se) >> 10);
}