@Override
    public void setEnabled(boolean enabled) {
        super.setEnabled(enabled);
        if (renderManager != null) {
            renderManager.setHandleTranslucentBucket(!enabled);
        }
        initSoftParticles(viewPort, enabledSoftParticles);
    }
Override this method and return true if your Filter needs the scene texture
@return false
jme3-effects/src/main/java/com/jme3/post/filters/TranslucentBucketFilter.java