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Large Canvas, Webgl Renderer, Desktop Safari switches to 30fps

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Hi this is my first topic so be gentle.

I have a project using a wide and short canvas, around 4300 x 730. A strange thing happens with desktop Safari. Once the canvas hits a certain width, around ~2500, the fps drops down to a steady 30fps. When I switch to the canvasRenderer it jumps back up to 60, but I would like the ability to use webgl filters. Chrome handles everything just fine. I've tested on a new Mac Pro and my development machine is 2012 Macbook Pro. Both exhibit the same issue.

var renderer = new PIXI.WebGLRenderer(4300, 730, {
transparent: true,
antialias: true


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Large canvases act strangely in different webgl implementations. Unfortunately these are usually browser limitations.

Profiling is your friend here, unless you see something specifically in pixi causing a problem it is likely just vendor implementation.

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