tree c428c366c1bab081948c9a7eefe3b68e48f5bc8b
parent 0e912464cecf50cc152c3fb93c2aac31c8a99cac
author reed <reed@google.com> 1418417330 -0800
committer Commit bot <commit-bot@chromium.org> 1418417330 -0800

improve cull, so we don't create empty segments

BUG=skia:3224

Review URL: https://codereview.chromium.org/798093002