
Originally Posted by
bridgman
One of the big changes with 6xx was at least partially separating the programming model from the hardware implementation, so big changesa in the hardware have relatively less impact on the driver than in previous generations. 6xx and 7xx are very different hardware implementations but the programming interface is pretty similar. The downside was that it took a lot of work to get drivers running on the new programming model in the first place, but we're mostly past that now.