static void CreateShowDepthAndSpecularChannelFilter()
{
Compositor comp = (Compositor)CompositorManager.Instance.Create( "DeferredShading/ShowDepthSpecular", ResourceGroupManager.DefaultResourceGroupName );
CompositionTechnique t = comp.CreateTechnique();
CompositionTargetPass tp = t.OutputTarget;
tp.InputMode = CompositorInputMode.None;
CompositionPass pass;
/// Render Depth and Specular
pass = tp.CreatePass();
pass.Type = CompositorPassType.RenderQuad;
pass.MaterialName = "DeferredShading/Post/ShowDS";
pass.Identifier = 1;
}