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/*
* Copyright (c) 2010 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 "./vp8_rtcd.h"
#include "vpx_config.h"
#include "vp8/common/variance.h"
#include "vpx_ports/mem.h"
extern void vp8_half_horiz_vert_variance16x_h_sse2
(
const unsigned char *ref_ptr,
int ref_pixels_per_line,
const unsigned char *src_ptr,
int src_pixels_per_line,
unsigned int Height,
int *sum,
unsigned int *sumsquared
);
extern void vp8_half_horiz_variance16x_h_sse2
(
const unsigned char *ref_ptr,
int ref_pixels_per_line,
const unsigned char *src_ptr,
int src_pixels_per_line,
unsigned int Height,
int *sum,
unsigned int *sumsquared
);
extern void vp8_half_vert_variance16x_h_sse2
(
const unsigned char *ref_ptr,
int ref_pixels_per_line,
const unsigned char *src_ptr,
int src_pixels_per_line,
unsigned int Height,
int *sum,
unsigned int *sumsquared
);
extern void vp8_filter_block2d_bil_var_ssse3
(
const unsigned char *ref_ptr,
int ref_pixels_per_line,
const unsigned char *src_ptr,
int src_pixels_per_line,
unsigned int Height,
int xoffset,
int yoffset,
int *sum,
unsigned int *sumsquared
);
unsigned int vp8_sub_pixel_variance16x16_ssse3
(
const unsigned char *src_ptr,
int src_pixels_per_line,
int xoffset,
int yoffset,
const unsigned char *dst_ptr,
int dst_pixels_per_line,
unsigned int *sse
)
{
int xsum0;
unsigned int xxsum0;
/* note we could avoid these if statements if the calling function
* just called the appropriate functions inside.
*/
if (xoffset == 4 && yoffset == 0)
{
vp8_half_horiz_variance16x_h_sse2(
src_ptr, src_pixels_per_line,
dst_ptr, dst_pixels_per_line, 16,
&xsum0, &xxsum0);
}
else if (xoffset == 0 && yoffset == 4)
{
vp8_half_vert_variance16x_h_sse2(
src_ptr, src_pixels_per_line,
dst_ptr, dst_pixels_per_line, 16,
&xsum0, &xxsum0);
}
else if (xoffset == 4 && yoffset == 4)
{
vp8_half_horiz_vert_variance16x_h_sse2(
src_ptr, src_pixels_per_line,
dst_ptr, dst_pixels_per_line, 16,
&xsum0, &xxsum0);
}
else
{
vp8_filter_block2d_bil_var_ssse3(
src_ptr, src_pixels_per_line,
dst_ptr, dst_pixels_per_line, 16,
xoffset, yoffset,
&xsum0, &xxsum0);
}
*sse = xxsum0;
return (xxsum0 - (((unsigned int)xsum0 * xsum0) >> 8));
}
unsigned int vp8_sub_pixel_variance16x8_ssse3
(
const unsigned char *src_ptr,
int src_pixels_per_line,
int xoffset,
int yoffset,
const unsigned char *dst_ptr,
int dst_pixels_per_line,
unsigned int *sse
)
{
int xsum0;
unsigned int xxsum0;
if (xoffset == 4 && yoffset == 0)
{
vp8_half_horiz_variance16x_h_sse2(
src_ptr, src_pixels_per_line,
dst_ptr, dst_pixels_per_line, 8,
&xsum0, &xxsum0);
}
else if (xoffset == 0 && yoffset == 4)
{
vp8_half_vert_variance16x_h_sse2(
src_ptr, src_pixels_per_line,
dst_ptr, dst_pixels_per_line, 8,
&xsum0, &xxsum0);
}
else if (xoffset == 4 && yoffset == 4)
{
vp8_half_horiz_vert_variance16x_h_sse2(
src_ptr, src_pixels_per_line,
dst_ptr, dst_pixels_per_line, 8,
&xsum0, &xxsum0);
}
else
{
vp8_filter_block2d_bil_var_ssse3(
src_ptr, src_pixels_per_line,
dst_ptr, dst_pixels_per_line, 8,
xoffset, yoffset,
&xsum0, &xxsum0);
}
*sse = xxsum0;
return (xxsum0 - (((unsigned int)xsum0 * xsum0) >> 7));
}
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