GoodBoyDigital/pixi.js — pull request #1171 by glafarge (2014-11-13 18:52:50+00:00)
Title: Add extra checks to handle context lost.

I have some context lost errors those days.
Not a big change but I hope it can help...

** Seen on [Handling Context Lost](https://www.khronos.org/webgl/wiki/HandlingContextLost).