Phoronix: Primus: Client-Side GPU Offloading In 500 Lines Of Code

While PRIME offloading has finally materialized and will be set when X.Org Server 1.13 is released, a new client-side GPU offloading implementation has now surfaced. Primus is a small lightweight GPU offloading implementation written in about 500 lines of code...

http://www.phoronix.com/vr.php?view=MTE3NDk