Eternal Ring graphics issues.

[xenoriddley]

So, every once in a while, whenever I either save the game, use an item, cast a spell or even exit out of a menu, all of the level graphics disappear.  There doesn't seem to be any rhyme or reason to it.  Any suggestions as to what I can change in settings to try to fix this?

I've put my settings pretty much to what the wiki suggested.

Also, if it helps, I'm using the latest nightly builds.