diff --git a/src/filters/BloomFilter.js b/src/filters/BloomFilter.js
index 605f6f2..f8a867c 100644
--- a/src/filters/BloomFilter.js
+++ b/src/filters/BloomFilter.js
@@ -31,10 +31,11 @@
 
     var renderTarget = filterManager.getRenderTarget();
 
+    //TODO - copyTexSubImage2D could be used here?
     this.defaultFilter.applyFilter(renderer, input, output);
 
     this.blurXFilter.applyFilter(renderer, input, renderTarget, true);
-    
+
     renderer.blendModeManager.setBlendMode( CONST.blendModes.SCREEN );
 
     this.blurYFilter.applyFilter(renderer, renderTarget, output);