ref: 66cf8098e6adb62402ff5620ab4c8751dabb8f17
dir: /vp8/common/x86/vp8_variance_sse2.c/
/*
* 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"
#include "vp8/common/x86/filter_x86.h"
extern void filter_block1d_h6_mmx(const unsigned char *src_ptr, unsigned short *output_ptr, unsigned int src_pixels_per_line, unsigned int pixel_step, unsigned int output_height, unsigned int output_width, short *filter);
extern void filter_block1d_v6_mmx(const short *src_ptr, unsigned char *output_ptr, unsigned int pixels_per_line, unsigned int pixel_step, unsigned int output_height, unsigned int output_width, short *filter);
extern void filter_block1d8_h6_sse2(const unsigned char *src_ptr, unsigned short *output_ptr, unsigned int src_pixels_per_line, unsigned int pixel_step, unsigned int output_height, unsigned int output_width, short *filter);
extern void filter_block1d8_v6_sse2(const short *src_ptr, unsigned char *output_ptr, unsigned int pixels_per_line, unsigned int pixel_step, unsigned int output_height, unsigned int output_width, short *filter);
extern void vp8_filter_block2d_bil4x4_var_mmx
(
const unsigned char *ref_ptr,
int ref_pixels_per_line,
const unsigned char *src_ptr,
int src_pixels_per_line,
const short *HFilter,
const short *VFilter,
int *sum,
unsigned int *sumsquared
);
void vp8_filter_block2d_bil_var_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 xoffset,
int yoffset,
int *sum,
unsigned int *sumsquared
);
void vp8_half_horiz_vert_variance8x_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
);
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
);
void vp8_half_horiz_variance8x_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
);
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
);
void vp8_half_vert_variance8x_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
);
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
);
unsigned int vp8_sub_pixel_variance4x4_wmt
(
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 xsum;
unsigned int xxsum;
vp8_filter_block2d_bil4x4_var_mmx(
src_ptr, src_pixels_per_line,
dst_ptr, dst_pixels_per_line,
vp8_bilinear_filters_x86_4[xoffset], vp8_bilinear_filters_x86_4[yoffset],
&xsum, &xxsum
);
*sse = xxsum;
return (xxsum - (((unsigned int)xsum * xsum) >> 4));
}
unsigned int vp8_sub_pixel_variance8x8_wmt
(
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 xsum;
unsigned int xxsum;
if (xoffset == 4 && yoffset == 0)
{
vp8_half_horiz_variance8x_h_sse2(
src_ptr, src_pixels_per_line,
dst_ptr, dst_pixels_per_line, 8,
&xsum, &xxsum);
}
else if (xoffset == 0 && yoffset == 4)
{
vp8_half_vert_variance8x_h_sse2(
src_ptr, src_pixels_per_line,
dst_ptr, dst_pixels_per_line, 8,
&xsum, &xxsum);
}
else if (xoffset == 4 && yoffset == 4)
{
vp8_half_horiz_vert_variance8x_h_sse2(
src_ptr, src_pixels_per_line,
dst_ptr, dst_pixels_per_line, 8,
&xsum, &xxsum);
}
else
{
vp8_filter_block2d_bil_var_sse2(
src_ptr, src_pixels_per_line,
dst_ptr, dst_pixels_per_line, 8,
xoffset, yoffset,
&xsum, &xxsum);
}
*sse = xxsum;
return (xxsum - (((unsigned int)xsum * xsum) >> 6));
}
unsigned int vp8_sub_pixel_variance16x16_wmt
(
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, xsum1;
unsigned int xxsum0, xxsum1;
/* 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_sse2(
src_ptr, src_pixels_per_line,
dst_ptr, dst_pixels_per_line, 16,
xoffset, yoffset,
&xsum0, &xxsum0
);
vp8_filter_block2d_bil_var_sse2(
src_ptr + 8, src_pixels_per_line,
dst_ptr + 8, dst_pixels_per_line, 16,
xoffset, yoffset,
&xsum1, &xxsum1
);
xsum0 += xsum1;
xxsum0 += xxsum1;
}
*sse = xxsum0;
return (xxsum0 - (((unsigned int)xsum0 * xsum0) >> 8));
}
unsigned int vp8_sub_pixel_variance16x8_wmt
(
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, xsum1;
unsigned int xxsum0, xxsum1;
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_sse2(
src_ptr, src_pixels_per_line,
dst_ptr, dst_pixels_per_line, 8,
xoffset, yoffset,
&xsum0, &xxsum0);
vp8_filter_block2d_bil_var_sse2(
src_ptr + 8, src_pixels_per_line,
dst_ptr + 8, dst_pixels_per_line, 8,
xoffset, yoffset,
&xsum1, &xxsum1);
xsum0 += xsum1;
xxsum0 += xxsum1;
}
*sse = xxsum0;
return (xxsum0 - (((unsigned int)xsum0 * xsum0) >> 7));
}
unsigned int vp8_sub_pixel_variance8x16_wmt
(
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 xsum;
unsigned int xxsum;
if (xoffset == 4 && yoffset == 0)
{
vp8_half_horiz_variance8x_h_sse2(
src_ptr, src_pixels_per_line,
dst_ptr, dst_pixels_per_line, 16,
&xsum, &xxsum);
}
else if (xoffset == 0 && yoffset == 4)
{
vp8_half_vert_variance8x_h_sse2(
src_ptr, src_pixels_per_line,
dst_ptr, dst_pixels_per_line, 16,
&xsum, &xxsum);
}
else if (xoffset == 4 && yoffset == 4)
{
vp8_half_horiz_vert_variance8x_h_sse2(
src_ptr, src_pixels_per_line,
dst_ptr, dst_pixels_per_line, 16,
&xsum, &xxsum);
}
else
{
vp8_filter_block2d_bil_var_sse2(
src_ptr, src_pixels_per_line,
dst_ptr, dst_pixels_per_line, 16,
xoffset, yoffset,
&xsum, &xxsum);
}
*sse = xxsum;
return (xxsum - (((unsigned int)xsum * xsum) >> 7));
}
unsigned int vp8_variance_halfpixvar16x16_h_wmt(
const unsigned char *src_ptr,
int src_pixels_per_line,
const unsigned char *dst_ptr,
int dst_pixels_per_line,
unsigned int *sse)
{
int xsum0;
unsigned int xxsum0;
vp8_half_horiz_variance16x_h_sse2(
src_ptr, src_pixels_per_line,
dst_ptr, dst_pixels_per_line, 16,
&xsum0, &xxsum0);
*sse = xxsum0;
return (xxsum0 - (((unsigned int)xsum0 * xsum0) >> 8));
}
unsigned int vp8_variance_halfpixvar16x16_v_wmt(
const unsigned char *src_ptr,
int src_pixels_per_line,
const unsigned char *dst_ptr,
int dst_pixels_per_line,
unsigned int *sse)
{
int xsum0;
unsigned int xxsum0;
vp8_half_vert_variance16x_h_sse2(
src_ptr, src_pixels_per_line,
dst_ptr, dst_pixels_per_line, 16,
&xsum0, &xxsum0);
*sse = xxsum0;
return (xxsum0 - (((unsigned int)xsum0 * xsum0) >> 8));
}
unsigned int vp8_variance_halfpixvar16x16_hv_wmt(
const unsigned char *src_ptr,
int src_pixels_per_line,
const unsigned char *dst_ptr,
int dst_pixels_per_line,
unsigned int *sse)
{
int xsum0;
unsigned int xxsum0;
vp8_half_horiz_vert_variance16x_h_sse2(
src_ptr, src_pixels_per_line,
dst_ptr, dst_pixels_per_line, 16,
&xsum0, &xxsum0);
*sse = xxsum0;
return (xxsum0 - (((unsigned int)xsum0 * xsum0) >> 8));
}