tree 3bd5aace5a06b4f5156d152da8e6bcc430c7de1b
parent b577c55a13850b8f4739e14b10d426a3ec6b05d0
author krajcevski <krajcevski@google.com> 1405542701 -0700
committer Commit bot <commit-bot@chromium.org> 1405542701 -0700

Buffer four scanlines prior to blitting. We will eventually use this
to blit four scanlines in a row in order to aggressively compress alpha
masks as the information comes in. This CL is only to introduce the API
and to make sure that nothing breaks in the general case.

R=reed@google.com, robertphillips@google.com

Author: krajcevski@google.com

Review URL: https://codereview.chromium.org/387953005