@godan
Do you intend to merge these changes back into master. If not would you be willing to share your changes so PBR can be accessed on all platforms.
Yes, I will definitely push the PBR changes back to the main repo. The changes are actually minimal and entirely in the shaders. The trick was finding them! Debugging webgl is such a pain
As for the reflection probes, I’m still experimenting with them (also would like to hear more about your screen space reflection idea), but yes, I would be fine with pushing that back to Urho as well.