vpx/vp8/encoder/x86/variance_sse2.c
Deb Mukherjee 7d0656537b Merging in the sixteenth subpel uv experiment
Merges this experiment in to make it easier to run tests on
filter precision, vectorized implementation etc.

Also removes an experimental filter.

Change-Id: I1e8706bb6d4fc469815123939e9c6e0b5ae945cd
2012-08-08 16:57:43 -07:00

518 lines
13 KiB
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/encoder/variance.h"
#include "vp8/common/pragmas.h"
#include "vpx_ports/mem.h"
#define HALFNDX 8
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 *vp7_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 *vp7_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 *vp7_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 *vp7_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
);
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
);
unsigned int vp8_get_mb_ss_sse2
(
const short *src_ptr
);
unsigned int vp8_get16x16var_sse2
(
const unsigned char *src_ptr,
int source_stride,
const unsigned char *ref_ptr,
int recon_stride,
unsigned int *SSE,
int *Sum
);
unsigned int vp8_get8x8var_sse2
(
const unsigned char *src_ptr,
int source_stride,
const unsigned char *ref_ptr,
int recon_stride,
unsigned int *SSE,
int *Sum
);
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
);
DECLARE_ALIGNED(16, extern short, vp8_vp7_bilinear_filters_mmx[16][8]);
unsigned int vp8_variance4x4_wmt(
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 - ((avg * avg) >> 4));
}
unsigned int vp8_variance8x8_wmt
(
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_sse2(src_ptr, source_stride, ref_ptr, recon_stride, &var, &avg);
*sse = var;
return (var - ((avg * avg) >> 6));
}
unsigned int vp8_variance16x16_wmt
(
const unsigned char *src_ptr,
int source_stride,
const unsigned char *ref_ptr,
int recon_stride,
unsigned int *sse) {
unsigned int sse0;
int sum0;
vp8_get16x16var_sse2(src_ptr, source_stride, ref_ptr, recon_stride, &sse0, &sum0);
*sse = sse0;
return (sse0 - ((sum0 * sum0) >> 8));
}
unsigned int vp8_mse16x16_wmt(
const unsigned char *src_ptr,
int source_stride,
const unsigned char *ref_ptr,
int recon_stride,
unsigned int *sse) {
unsigned int sse0;
int sum0;
vp8_get16x16var_sse2(src_ptr, source_stride, ref_ptr, recon_stride, &sse0, &sum0);
*sse = sse0;
return sse0;
}
unsigned int vp8_variance16x8_wmt
(
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_sse2(src_ptr, source_stride, ref_ptr, recon_stride, &sse0, &sum0);
vp8_get8x8var_sse2(src_ptr + 8, source_stride, ref_ptr + 8, recon_stride, &sse1, &sum1);
var = sse0 + sse1;
avg = sum0 + sum1;
*sse = var;
return (var - ((avg * avg) >> 7));
}
unsigned int vp8_variance8x16_wmt
(
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_sse2(src_ptr, source_stride, ref_ptr, recon_stride, &sse0, &sum0);
vp8_get8x8var_sse2(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 - ((avg * avg) >> 7));
}
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_vp7_bilinear_filters_mmx[xoffset], vp8_vp7_bilinear_filters_mmx[yoffset],
&xsum, &xxsum
);
*sse = xxsum;
return (xxsum - ((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 == HALFNDX && 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 == HALFNDX) {
vp8_half_vert_variance8x_h_sse2(
src_ptr, src_pixels_per_line,
dst_ptr, dst_pixels_per_line, 8,
&xsum, &xxsum);
} else if (xoffset == HALFNDX && yoffset == HALFNDX) {
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 - ((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 == HALFNDX && 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 == HALFNDX) {
vp8_half_vert_variance16x_h_sse2(
src_ptr, src_pixels_per_line,
dst_ptr, dst_pixels_per_line, 16,
&xsum0, &xxsum0);
} else if (xoffset == HALFNDX && yoffset == HALFNDX) {
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 - ((xsum0 * xsum0) >> 8));
}
unsigned int vp8_sub_pixel_mse16x16_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
) {
vp8_sub_pixel_variance16x16_wmt(src_ptr, src_pixels_per_line, xoffset, yoffset, dst_ptr, dst_pixels_per_line, sse);
return *sse;
}
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 == HALFNDX && 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 == HALFNDX) {
vp8_half_vert_variance16x_h_sse2(
src_ptr, src_pixels_per_line,
dst_ptr, dst_pixels_per_line, 8,
&xsum0, &xxsum0);
} else if (xoffset == HALFNDX && yoffset == HALFNDX) {
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 - ((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 == HALFNDX && 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 == HALFNDX) {
vp8_half_vert_variance8x_h_sse2(
src_ptr, src_pixels_per_line,
dst_ptr, dst_pixels_per_line, 16,
&xsum, &xxsum);
} else if (xoffset == HALFNDX && yoffset == HALFNDX) {
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 - ((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 - ((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 - ((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 - ((xsum0 * xsum0) >> 8));
}