ref: 6356d21a47e2547ab3c657052e36939bde047cb3
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); }