Commits
fbarchard@google.com committed c757f308eab
Alpha blend 2 sources and store to a destination. Useful for A under B blending. BUG=none TEST=none Review URL: https://webrtc-codereview.appspot.com/472005 git-svn-id: http://libyuv.googlecode.com/svn/trunk@233 16f28f9a-4ce2-e073-06de-1de4eb20be90