Index: source/libvpx/vp9/common/x86/vp9_subpixel_variance_sse2.c |
=================================================================== |
--- source/libvpx/vp9/common/x86/vp9_subpixel_variance_sse2.c (revision 0) |
+++ source/libvpx/vp9/common/x86/vp9_subpixel_variance_sse2.c (revision 0) |
@@ -0,0 +1,90 @@ |
+/* |
+ * 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. |
+ */ |
+ |
+#define HALFNDX 8 |
+ |
+void vp9_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 vp9_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); |
+ |
+void vp9_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 vp9_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); |
+ |
+unsigned int vp9_sub_pixel_variance16x2_sse2(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) { |
+ vp9_half_horiz_variance16x_h_sse2( |
+ src_ptr, src_pixels_per_line, |
+ dst_ptr, dst_pixels_per_line, 2, |
+ &xsum0, &xxsum0); |
+ } else if (xoffset == 0 && yoffset == HALFNDX) { |
+ vp9_half_vert_variance16x_h_sse2( |
+ src_ptr, src_pixels_per_line, |
+ dst_ptr, dst_pixels_per_line, 2, |
+ &xsum0, &xxsum0); |
+ } else if (xoffset == HALFNDX && yoffset == HALFNDX) { |
+ vp9_half_horiz_vert_variance16x_h_sse2( |
+ src_ptr, src_pixels_per_line, |
+ dst_ptr, dst_pixels_per_line, 2, |
+ &xsum0, &xxsum0); |
+ } else { |
+ vp9_filter_block2d_bil_var_sse2( |
+ src_ptr, src_pixels_per_line, |
+ dst_ptr, dst_pixels_per_line, 2, |
+ xoffset, yoffset, |
+ &xsum0, &xxsum0); |
+ |
+ vp9_filter_block2d_bil_var_sse2( |
+ src_ptr + 8, src_pixels_per_line, |
+ dst_ptr + 8, dst_pixels_per_line, 2, |
+ xoffset, yoffset, |
+ &xsum1, &xxsum1); |
+ xsum0 += xsum1; |
+ xxsum0 += xxsum1; |
+ } |
+ |
+ *sse = xxsum0; |
+ return (xxsum0 - (((unsigned int)xsum0 * xsum0) >> 5)); |
+} |