@Override
    protected void initFilter(AssetManager manager, RenderManager renderManager, ViewPort vp, int w, int h) {
        material = new Material(manager, "Common/MatDefs/Post/ToneMap.j3md");
        material.setVector3("WhitePoint", whitePoint);
    }
Creates a tone-mapping filter with the specified white-point.

@param whitePoint The intensity of the brightest part of the scene.
jme3-effects/src/main/java/com/jme3/post/filters/ToneMapFilter.java