@Override
    protected Material getMaterial() {
        return material;
    }
<a href="http://www.geeks3d.com/20110405/fxaa-fast-approximate-anti-aliasing-demo-glsl-opengl-test-radeon-geforce/3/">demo</a>
<a href="http://developer.download.nvidia.com/assets/gamedev/files/sdk/11/FXAA_WhitePaper.pdf">whitepaper</a>

@author Phate666 (adapted to jme3)
jme3-effects/src/main/java/com/jme3/post/filters/FXAAFilter.java