Phoronix: Multi-GPU PRIME & GPU Hot-Switching Proposal

Last week a student developer from Belgium had proposed an OpenGL 4.1 state tracker for Gallium3D to be developed this summer as part of the X.Org / Mesa involvement with the annual Google Summer of Code. Under this proposal, OpenGL 4.1 would be implemented from scratch (Mesa / Gallium3D are currently only supportive of OpenGL 2.1 with limited support for OpenGL 3.0 extensions) without any dependence on Mesa; some of the well-known Mesa developers called this too ambitious, but it's unclear if the Belgian developer will still attempt this workload. Meanwhile, a Russian student developer has just voiced two ambitious proposals: Multi-GPU PRIME support and GPU hot-switching...

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