The KHR_mterials_transmission extension can be found here and is more or less finalized.
The KHR_materials_ior extension can be found here. It's not yet finalized but at this point it's very unlikely the interface itself would change, and it looks like all that's left is for them to better document and come up with examples.
The
KHR_mterials_transmission
extension can be found here and is more or less finalized.The
KHR_materials_ior
extension can be found here. It's not yet finalized but at this point it's very unlikely the interface itself would change, and it looks like all that's left is for them to better document and come up with examples.