@Override
    public void glGetMultisample(final int pname, final int index, final FloatBuffer val) {
        checkLimit(val);
        ARBTextureMultisample.glGetMultisamplefv(pname, index, val);
    }
The LWJGL implementation og {@link GLExt}.
jme3-lwjgl3/src/main/java/com/jme3/renderer/lwjgl/LwjglGLExt.java