Free real-time PBR shader for Blender

Games environment artist Aidy Burrows has released a free Blender shader set-up designed to approximate real-time PBR shading within the Blender viewport. I think it might be useful to preview Urho’s PBR in Blender.
This is the link to the shader:

Oh that is really cool. Might prove very useful for me. Thanks for the link!