> > Does 4 do pixel-based fog? > yep. So in some cases it is much slower than 3, isn't it?
> It's because they are quite similar operations so they use the same chip > logic. In fact you have a bit to choose wether you want alpha or fog. It's > was design option. So they did not want to have two instances of the same logic on a single chip to implement this "rare" combination, wont they? > Don't know, but a transparent window in a foggy level is not a situation > very hard to happen... I see. > In this case the visual difference can be very big... Sad. Shame to ATI!:) Thanks for all these clarifications. They're really interesting matters for me. Sergey _______________________________________________ Dri-devel mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/dri-devel
