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PIXI and globalCompositeOperation


Fred Gontier
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Blendmode works through globalCompositeOperation. You can add new blendmodes in CanvasRenderer.

https://github.com/pixijs/pixi.js/blob/dev/src/core/renderers/canvas/CanvasRenderer.js#L103

https://github.com/pixijs/pixi.js/blob/dev/src/core/renderers/canvas/utils/mapCanvasBlendModesToPixi.js

https://github.com/pixijs/pixi.js/blob/dev/src/core/const.js#L109

According to this, numbers from 20 are free, so you can do something like that 
 

renderer.blendModes[20] = 'destination-out';

sprite.blendMode = 20;

There's also a way to use custom blendmodes in webgl:

 

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