Allow UA to constrain clip planes by Manishearth · Pull Request #802 · immersive-web/webxr

Fixes #698

For enforcing near < far I don't think we should be throwing an error due to the two-step nature of applying render states. Instead, perhaps we should set near=far or something? (and encourage UAs to warn to the console). Alternatively, we can throw an error when the pending render state is created, but that can be a bit unpredictable.

cc @cabanier

r? @toji