//
// Optional pass for experimental edge outlining.
abstract pass OutlineExperiment
{
	//
	// Diffuse tweaks outline color.
	diffuse 0 0 0
	
	//
	// Multiplier for how far the black mesh protrusion is, for edge size.
	set $edgeScale 1
	
	//
	// Multiplier for how far the black edge mesh should be pushed back to reduce Z fighting.
	//
	// Best value is greater for large meshes and smaller for small meshes. You may have to
	// tweak this variable dramatically.
	set $sinkScale 1

	vertex_program_ref OutlineExperimentVP
	{
		param_named edgeScale float $edgeScale
		param_named sinkScale float $sinkScale
	}
}