"
 VMware does virtualization. So, it is relevant for any platform. Developers of Free and open-source graphics device drivers/Mesa 3D make use of it, since it lessens their burden to develop device drivers. But e.g. Intel, still programs their Linux driver the old way, most probably because the Gallium3D drivers introduce a performance penalty (and maybe also, because improvements in Mesa3D directly benefit the device drivers for the competition).  "