Work exists -- this blog post is from earlier this year: http://ixit.cz/faster-wine-games-wit...-gallium-nine/
Originally Posted by Dukenukemx
The biggest issue -- and the main reason why it's a pain in the ass to test -- is that it requires a full recompile of your Gallium drivers, which is... not super convenient. Though if you're up for trying it I'd be very curious as to the results.
Of course this likely would not do much good for you if you're running Nvidia. You might get the best results on a 6000 series Radeon running the latest Mesa with Gallium Nine patches.