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Setting Container or Sprite mask to a Graphics object freezes browser


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I am having a hard time trying to mask/clip a square sprite into a round one. Whenever I create a Graphics object then assign it to the `mask` property on a Container or a Sprite, the whole browser freezes up and I can't even debug where the issue is, sometimes my OS even logs me out when my devtools window is still loading up (perhaps due to CPU or RAM overload?)... ?

Any help would be super appreciated! I've been trying to figure this out for hours!

My code is something like below: 

import * as PIXI from 'pixi.js';

const app = new PIXI.Application({
  width: 600,
  height: 600,
  antialias: true,


const mask = new PIXI.Graphics();
mask.drawCircle(200, 200, 150);
const container = new PIXI.Container();
container.mask = mask; // If I don't set the mask, everything works OK.


// Sprites have problem too
// const sprite = new PIXI.Sprite(/*some texture*/);
// sprite.mask = mask;
// app.stage.addChild(sprite);
// Now open up browser and wait to be logged out :(


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3 minutes ago, ivan.popelyshev said:

you should also add mask to the stage, however that's not ethe issue. Try set antialias to "off" , or maybe your device (linux drivers?) dont support webgl STENCIL mode

Wow it really was because of the antialias setting, I never suspected that! Thank you so much! But what can I do if I do need the antialiasing? 



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2 minutes ago, ivan.popelyshev said:

antialias can make Graphics edges smooth, but its slowing everything

Also I'm still getting used to understanding how Pixi works. May I ask why should I also add mask to the stage? (because I though since the mask is "attached" to the container, when the container is added to the stage, the mask gets added with container)

Thank you!

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