@Override
    protected void cleanUpFilter(Renderer r) {
         if (glowMode != GlowMode.Scene) {   
               preGlowPass.cleanup(r);
         }
    }
Creates the bloom filter with the specified glow mode

@param glowMode the desired mode (default=Scene)
jme3-effects/src/main/java/com/jme3/post/filters/BloomFilter.java