ref: e6165041074bdf3f2bc2a3283ee58e72027164ba
dir: /vp8/common/x86/variance_mmx.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 "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 unsigned int vp8_get_mb_ss_mmx(const short *src_ptr);
extern unsigned int vp8_get8x8var_mmx
(
const unsigned char *src_ptr,
int source_stride,
const unsigned char *ref_ptr,
int recon_stride,
unsigned int *SSE,
int *Sum
);
extern unsigned int vp8_get4x4var_mmx
(
const unsigned char *src_ptr,
int source_stride,
const unsigned char *ref_ptr,
int recon_stride,
unsigned int *SSE,
int *Sum
);
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
);
extern void vp8_filter_block2d_bil_var_mmx
(
const unsigned char *ref_ptr,
int ref_pixels_per_line,
const unsigned char *src_ptr,
int src_pixels_per_line,
unsigned int Height,
const short *HFilter,
const short *VFilter,
int *sum,
unsigned int *sumsquared
);
unsigned int vp8_variance4x4_mmx(
const unsigned char *src_ptr,
int source_stride,
const unsigned char *ref_ptr,
int recon_stride,
unsigned int *sse)
{
unsigned int var;
int avg;
vp8_get4x4var_mmx(src_ptr, source_stride, ref_ptr, recon_stride, &var, &avg) ;
*sse = var;
return (var - (((unsigned int)avg * avg) >> 4));
}
unsigned int vp8_variance8x8_mmx(
const unsigned char *src_ptr,
int source_stride,
const unsigned char *ref_ptr,
int recon_stride,
unsigned int *sse)
{
unsigned int var;
int avg;
vp8_get8x8var_mmx(src_ptr, source_stride, ref_ptr, recon_stride, &var, &avg) ;
*sse = var;
return (var - (((unsigned int)avg * avg) >> 6));
}
unsigned int vp8_mse16x16_mmx(
const unsigned char *src_ptr,
int source_stride,
const unsigned char *ref_ptr,
int recon_stride,
unsigned int *sse)
{
unsigned int sse0, sse1, sse2, sse3, var;
int sum0, sum1, sum2, sum3;
vp8_get8x8var_mmx(src_ptr, source_stride, ref_ptr, recon_stride, &sse0, &sum0) ;
vp8_get8x8var_mmx(src_ptr + 8, source_stride, ref_ptr + 8, recon_stride, &sse1, &sum1);
vp8_get8x8var_mmx(src_ptr + 8 * source_stride, source_stride, ref_ptr + 8 * recon_stride, recon_stride, &sse2, &sum2) ;
vp8_get8x8var_mmx(src_ptr + 8 * source_stride + 8, source_stride, ref_ptr + 8 * recon_stride + 8, recon_stride, &sse3, &sum3);
var = sse0 + sse1 + sse2 + sse3;
*sse = var;
return var;
}
unsigned int vp8_variance16x16_mmx(
const unsigned char *src_ptr,
int source_stride,
const unsigned char *ref_ptr,
int recon_stride,
unsigned int *sse)
{
unsigned int sse0, sse1, sse2, sse3, var;
int sum0, sum1, sum2, sum3, avg;
vp8_get8x8var_mmx(src_ptr, source_stride, ref_ptr, recon_stride, &sse0, &sum0) ;
vp8_get8x8var_mmx(src_ptr + 8, source_stride, ref_ptr + 8, recon_stride, &sse1, &sum1);
vp8_get8x8var_mmx(src_ptr + 8 * source_stride, source_stride, ref_ptr + 8 * recon_stride, recon_stride, &sse2, &sum2) ;
vp8_get8x8var_mmx(src_ptr + 8 * source_stride + 8, source_stride, ref_ptr + 8 * recon_stride + 8, recon_stride, &sse3, &sum3);
var = sse0 + sse1 + sse2 + sse3;
avg = sum0 + sum1 + sum2 + sum3;
*sse = var;
return (var - (((unsigned int)avg * avg) >> 8));
}
unsigned int vp8_variance16x8_mmx(
const unsigned char *src_ptr,
int source_stride,
const unsigned char *ref_ptr,
int recon_stride,
unsigned int *sse)
{
unsigned int sse0, sse1, var;
int sum0, sum1, avg;
vp8_get8x8var_mmx(src_ptr, source_stride, ref_ptr, recon_stride, &sse0, &sum0) ;
vp8_get8x8var_mmx(src_ptr + 8, source_stride, ref_ptr + 8, recon_stride, &sse1, &sum1);
var = sse0 + sse1;
avg = sum0 + sum1;
*sse = var;
return (var - (((unsigned int)avg * avg) >> 7));
}
unsigned int vp8_variance8x16_mmx(
const unsigned char *src_ptr,
int source_stride,
const unsigned char *ref_ptr,
int recon_stride,
unsigned int *sse)
{
unsigned int sse0, sse1, var;
int sum0, sum1, avg;
vp8_get8x8var_mmx(src_ptr, source_stride, ref_ptr, recon_stride, &sse0, &sum0) ;
vp8_get8x8var_mmx(src_ptr + 8 * source_stride, source_stride, ref_ptr + 8 * recon_stride, recon_stride, &sse1, &sum1) ;
var = sse0 + sse1;
avg = sum0 + sum1;
*sse = var;
return (var - (((unsigned int)avg * avg) >> 7));
}
unsigned int vp8_sub_pixel_variance4x4_mmx
(
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_mmx
(
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_bil_var_mmx(
src_ptr, src_pixels_per_line,
dst_ptr, dst_pixels_per_line, 8,
vp8_bilinear_filters_x86_4[xoffset], vp8_bilinear_filters_x86_4[yoffset],
&xsum, &xxsum
);
*sse = xxsum;
return (xxsum - (((unsigned int)xsum * xsum) >> 6));
}
unsigned int vp8_sub_pixel_variance16x16_mmx
(
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;
vp8_filter_block2d_bil_var_mmx(
src_ptr, src_pixels_per_line,
dst_ptr, dst_pixels_per_line, 16,
vp8_bilinear_filters_x86_4[xoffset], vp8_bilinear_filters_x86_4[yoffset],
&xsum0, &xxsum0
);
vp8_filter_block2d_bil_var_mmx(
src_ptr + 8, src_pixels_per_line,
dst_ptr + 8, dst_pixels_per_line, 16,
vp8_bilinear_filters_x86_4[xoffset], vp8_bilinear_filters_x86_4[yoffset],
&xsum1, &xxsum1
);
xsum0 += xsum1;
xxsum0 += xxsum1;
*sse = xxsum0;
return (xxsum0 - (((unsigned int)xsum0 * xsum0) >> 8));
}
unsigned int vp8_sub_pixel_mse16x16_mmx(
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
)
{
vp8_sub_pixel_variance16x16_mmx(src_ptr, src_pixels_per_line, xoffset, yoffset, dst_ptr, dst_pixels_per_line, sse);
return *sse;
}
unsigned int vp8_sub_pixel_variance16x8_mmx
(
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;
vp8_filter_block2d_bil_var_mmx(
src_ptr, src_pixels_per_line,
dst_ptr, dst_pixels_per_line, 8,
vp8_bilinear_filters_x86_4[xoffset], vp8_bilinear_filters_x86_4[yoffset],
&xsum0, &xxsum0
);
vp8_filter_block2d_bil_var_mmx(
src_ptr + 8, src_pixels_per_line,
dst_ptr + 8, dst_pixels_per_line, 8,
vp8_bilinear_filters_x86_4[xoffset], vp8_bilinear_filters_x86_4[yoffset],
&xsum1, &xxsum1
);
xsum0 += xsum1;
xxsum0 += xxsum1;
*sse = xxsum0;
return (xxsum0 - (((unsigned int)xsum0 * xsum0) >> 7));
}
unsigned int vp8_sub_pixel_variance8x16_mmx
(
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_bil_var_mmx(
src_ptr, src_pixels_per_line,
dst_ptr, dst_pixels_per_line, 16,
vp8_bilinear_filters_x86_4[xoffset], vp8_bilinear_filters_x86_4[yoffset],
&xsum, &xxsum
);
*sse = xxsum;
return (xxsum - (((unsigned int)xsum * xsum) >> 7));
}
unsigned int vp8_variance_halfpixvar16x16_h_mmx(
const unsigned char *src_ptr,
int source_stride,
const unsigned char *ref_ptr,
int recon_stride,
unsigned int *sse)
{
return vp8_sub_pixel_variance16x16_mmx(src_ptr, source_stride, 4, 0,
ref_ptr, recon_stride, sse);
}
unsigned int vp8_variance_halfpixvar16x16_v_mmx(
const unsigned char *src_ptr,
int source_stride,
const unsigned char *ref_ptr,
int recon_stride,
unsigned int *sse)
{
return vp8_sub_pixel_variance16x16_mmx(src_ptr, source_stride, 0, 4,
ref_ptr, recon_stride, sse);
}
unsigned int vp8_variance_halfpixvar16x16_hv_mmx(
const unsigned char *src_ptr,
int source_stride,
const unsigned char *ref_ptr,
int recon_stride,
unsigned int *sse)
{
return vp8_sub_pixel_variance16x16_mmx(src_ptr, source_stride, 4, 4,
ref_ptr, recon_stride, sse);
}