tree acbe56e34c3090b23f53c4594a7efd7d70506d80
parent e1b1ce77da273da6fc89d04a9c8ec09d0d8adca1
author Chris Craik <ccraik@google.com> 1460675305 -0700
committer Chris Craik <ccraik@google.com> 1461001142 -0700

Improve multi-window render clipping logic

Fixes: 28125010

Restructures 'scene defer', to implement window backdrop overdraw
avoidance in new render pipeline, and disable clipping to content draw
bounds.

Also restructures FrameBuilder's constructors, to separate out into
multiple defer methods.

Change-Id: I53facb904c1a4a4acc493d8a489921a79a50494e