code: function BloomFilter()
  {
      core.AbstractFilter.call(this);
  
      this.blurXFilter = new BlurXFilter();
      this.blurYFilter = new BlurYFilter();
  
      this.defaultFilter = new core.AbstractFilter();
  }
docs: The BloomFilter applies a Gaussian blur to an object.
  The strength of the blur can be set for x- and y-axis separately.
  
  @class
  @extends AbstractFilter
  @memberof PIXI.filters