TextureCaching when using Texture.fromCanvas gets never cleaned up

[KlausKobald]

That was giving me a hard time and some crashes, that where caused by full memory on mobile devices.

I am creating a lot of canvas textures and found out, that the cache fills up and grows into infinity. Pixi sets a _pixiId for every new canvas, which is then used as a key for the cache. I did not find out how to delete it. 

Maybe I am missing something in the API, or do not understand what´s going on. 

 

So I wrote this little patch, that could help also others:

 

PIXI.BaseTexture._fromCanvas = PIXI.BaseTexture.fromCanvas;

 

PIXI.BaseTexture.fromCanvas = function (canvas, scaleMode) {

 

    if (canvas._usePixiCache)

        return PIXI.BaseTexture._fromCanvas(canvas, scaleMode);

    else

        return new PIXI.BaseTexture(canvas, scaleMode);

};

 

For canvas objects that are about to be reused one can set canvas._usePixiCache=true

For some reason this has to be done.

If there is a better solution, any advise would be fine!