Originally Posted by TheANIMAL
That video shows it at one of its higest quality settings. I'm sorry but a gtx285 should be able to manage more than 1280*720.
Actually the tech is quite independent of display resolution as it is done in world space.
Performance is affected more by the resolution of the propagation volume.
Here's the slides and paper about the subject.
It is also good to know that there is no pre-processing so scene can be fully destructible.