/**
* Prepare the shading state for shader invocation. This also runs the
* currently attached surface modifier.
*
* @param state shading state to be prepared
*/
public void prepareShadingState(ShadingState state)
{
geometry.prepareShadingState(state);
if (state.getNormal() != null && state.getGeoNormal() != null)
{
state.correctShadingNormal();
}
// run modifier if it was provided
if (state.getModifier() != null)
{
state.getModifier().modify(state);
}
}