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I got bumblebee to work on hardened w/ SELinux. It is definitely ready for |
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use. Anyway, as has been explained, you basically HAVE to use optimus - if |
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you would like to return your laptop and/or sue the laptop manufacturer for |
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false advertising, now would be the time to do it. |
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|
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On Tue, Dec 16, 2014 at 3:39 PM, Heiko Baums <lists@××××××××××××.de> wrote: |
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> |
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> Am 16.12.2014 um 12:55 schrieb behrouz khosravi: |
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> |
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> > I have not tried the bumblebee. |
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> |
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> You need bumblebee. Otherwise it's not possible to use the Nvidia |
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> Optimus chip. |
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> |
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> > I just waned to use optimus without that, but it seem the it is not easy! |
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> |
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> It's not possible, because the Nvidia Optimus chip isn't a full featured |
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> graphics card, and doesn't write directly to the screen. Joost already |
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> explained it pretty well. |
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> |
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> The 2D graphics is done by the GPU embedded in the CPU, which also |
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> writes the output to the screen. The Nvidia Optimus chip is only a |
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> helper chip to do the additional 3D rendering. It gives its output to |
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> the GPU embedded in the CPU which in turn writes the output to the screen. |
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> |
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> To use the Nvidia Optimus chip you need to install these packages: |
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> |
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> x11-misc/bumblebee |
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> x11-misc/virtualgl |
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> sys-power/bbswitch |
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> x11-drivers/nvidia-drivers |
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> |
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> I don't know if, but I don't think that, it will work with |
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> x11-drivers/xf86-video-nouveau. |
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> |
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> Then you need to add bumblebee and vgl to your default runlevel. |
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> |
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> rc-update add bumblebee |
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> rc-update add vgl |
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> |
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> To run a 3D application you need to start it with `optirun <command>`. |
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> |
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> And don't try to `eselect opengl set nvidia`. This won't work for the |
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> described reasons. You need to `eselect opengl set xorg-x11`. |
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> |
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> > I think I will try that sometime |
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> |
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> It's actually quite easy and the Nvidia Optimus support by bumblebee is |
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> pretty good. |
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> |
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> The reason why this is done this way is power saving. 3D rendering is |
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> pretty power-consuming. |
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> |
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> Heiko |
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> |
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> |