Version: Chrome 49.0.2623.105
OS: Android Tablet

What steps will reproduce the problem?
(1) Launch http://fractalfantasy.net/#/4/uncanny_valley
(2) WebGL content does not play.

What is the expected output?
WebGL content should play

What do you see instead?
Black screen appears.

In chrome://gpu page following error appears.

Render Warning: texture bound to texture unit 0 is not renderable. It may be non-power of 2 and have incompatible texture filtering.