tree abda8432614967ad55daf39bc1022305ebbf25a3
parent b351b3d6acae578cfebd8a1fcff803e11cf74660
author Mathias Agopian <mathias@google.com> 1281485996 -0700
committer Mathias Agopian <mathias@google.com> 1281567891 -0700

keep a list of visible sorted surfaces

Change-Id: Ib815eeff894f8a3b1e79fbbf8186d5d91bb60285