]> granicus.if.org Git - libvpx/commit
Modify sub-pixel filters to eliminate unnecessary calculations
authorYunqing Wang <yunqingwang@google.com>
Thu, 20 Jan 2011 18:01:30 +0000 (13:01 -0500)
committerYunqing Wang <yunqingwang@google.com>
Fri, 21 Jan 2011 18:59:27 +0000 (13:59 -0500)
commit0822a62f4051289fb3853c997b797ae3b6a006f5
tree236eb81f4d270266214fa86c9b1a8f29ab3d0930
parent06e7320c3e909c33e248b9910dc182b13451d1c8
Modify sub-pixel filters to eliminate unnecessary calculations

In sub-pixel calculation, xoffset and yoffset mostly take some
specific values. Modified sub-pixel filter functions according to
these possible values to improve performance.

Change-Id: I83083570af8b00ff65093467914fbb97a4e9ea21
vp8/encoder/x86/variance_impl_sse2.asm
vp8/encoder/x86/variance_sse2.c