On Wednesday, December 17, 2014 01:09:16 PM behrouz khosravi wrote: > > You need bumblebee. Otherwise it's not possible to use the Nvidia > > Optimus chip. > > I think that it is possible, or supposed to be possible! > The gentoo wiki says that Nvidia drivers are now supporting the optimus, so > it is called "native optimus support" > > > > I just waned to use optimus without that, but it seem the it is not > > > easy! > > > > It's not possible, because the Nvidia Optimus chip isn't a full featured > > graphics card, and doesn't write directly to the screen. Joost already > > explained it pretty well. > > > > Exactly, that is why the Nvidia driver is using the xrandr for offloading > > the tasks.
That convoluted method (xrandr......) is what bumblebee does in the background. Along with enabling/disabling the nvidia chip. -- Joost