I'm getting a very weird graphical artifact with Godrays enabled. There's a weird blocky effect on character models, mostly around the edges of the model. I created an imgur gallery showing the effect, but it seems that I'm not allowed to post links. The URL ends in "/a/owptd". Is there some way to attach images here? I don't see one.
What makes this worse is that I can't seem to disable Godrays unless I choose the Low detail preset. If I choose any other preset, the Godrays setting re-enables itself after I disable it and choose OK.
My GPU is a Radeon HD 6970. I upgraded to the latest beta driver to see if that was the issue, but it didn't help.