I dunno mate! I've described in detail what I did and it worked (for me, anyway!) It would need someone more knowledgeable than me to explain how. Bear in mind, CIV is turn based and not fps dependent like others. So quality probably is more important than performance in that sense.
It would be interesting to see if other people with a similar card/problem find that this fix works or not for them.
It would be interesting to see if other people with a similar card/problem find that this fix works or not for them.