SSE2 implementation of RGBA box blurs. This yields ~2X perf improvement on Xeon ES-2690.

R=mtklein@google.com

Review URL: https://codereview.chromium.org/61643011

git-svn-id: http://skia.googlecode.com/svn/trunk/gyp@12204 2bbb7eff-a529-9590-31e7-b0007b416f81
1 file changed