That's actually what the people at Valve did (GDC 2013): https://developer.nvidia.com/sites/default/files/akamai/gamedev/docs/Porting%20Source%20to%20Linux.pdf

That's actually what the people at Valve did (GDC 2013): https://developer.nvidia.com/sites/default/files/akamai/gamedev/docs/Porting%20Source%20to%20Linux.pdf https://developer.nvidia.com/sites/default/files/akamai/game... Performance improved as a result. The number they give is ~20%. The other nice thing was that you could use D3D10+ on Windows XP...