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brianchirls / Seriously.js

A real-time, node-based video effects compositor for the web built with HTML5, Javascript and WebGL
MIT License
3.88k stars 354 forks source link

Cannot render transparent background in IE or Safari #88

Closed brianchirls closed 9 years ago

brianchirls commented 9 years ago

As seen at http://www.martialarts-wien.at/

This appears to be because Safari and IE11 are ignoring the premultipliedAlpha option, as demonstrated here.