MaterialDef SimpleGeom {

    MaterialParameters {
        Texture2D NormalDisplacementMap
        Int TessellationFactor
    }

     Technique {
        VertexShader GLSL400:   Materials/Tess/SimpleTess.vert
        TessellationEvaluationShader GLSL400:   Materials/Tess/SimpleTess.tseval
        TessellationControlShader GLSL400:   Materials/Tess/SimpleTess.tsctrl
        FragmentShader GLSL400: Materials/Tess/SimpleTess.frag

        WorldParameters {
            WorldViewProjectionMatrix
        }
    }

}