Steam for Linux > NVidia Graphics Cards > トピックの詳細
Teisei 2013年4月10日 3時06分
Nvidia 319 drivers with Optimus support finally here!
Good news!

Nvidia just released graphics drivers with a support for Optimus technology. This means that there is now a native support for swapping between two graphics cards (one being Nvidia, in most cases the other one being Intel).

Information about Optimus:
http://en.wikipedia.org/wiki/Nvidia_Optimus

This is how you update your Nvidia drivers to version 319.12 (the current version at the time of writing) (NOTE: for Ubuntu-based distros):
sudo add-apt-repository ppa:xorg-edgers/ppa
sudo apt-get update
sudo apt-get install nvidia-319 nvidia-settings-319

The new drivers seem to bring other changes as well. You can read the release highlights at http://www.nvidia.com/object/linux-display-amd64-319.12-driver.html .
最近の変更はTeiseiが行いました; 2013年4月10日 3時11分
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[Linux] timopm 2013年4月10日 4時08分 
の投稿を引用:
This means that there is now a native support for swapping between two graphics cards (one being Nvidia, in most cases the other one being Intel).

I don't know where you get your information, but this isn't true.
Teisei 2013年4月10日 6時18分 
Linux timopm の投稿を引用:
の投稿を引用:
This means that there is now a native support for swapping between two graphics cards (one being Nvidia, in most cases the other one being Intel).

I don't know where you get your information, but this isn't true.

http://www.phoronix.com/scan.php?page=news_item&px=MTM0NzE

" With RandR 1.4 it allows NVIDIA to now render a game or other application on a dedicated NVIDIA GPU and to then pass the scan-out buffer to another GPU for displaying to the screen"
[Linux] timopm 2013年4月10日 7時03分 
Maybe I'm misreading the changelog, but it doesn't mention anything about switching. It will do all the work on the NVidia GPU *all the time*, not be able to switch depending on workload.
Teisei 2013年4月10日 7時55分 
Linux timopm の投稿を引用:
Maybe I'm misreading the changelog, but it doesn't mention anything about switching. It will do all the work on the NVidia GPU *all the time*, not be able to switch depending on workload.

I actually tested this on a laptop with Optimus technology. Nvidia settings will complain about drivers not being installed (or enabled at least), so you can't really tweak your settings from there. Glxinfo will also reveal that the active driver is Intel. However, I was able to launch Team Fortress 2 that generally doesn't support Intel graphics.

This behaviour suggests that the Nvidia driver is only used when playing games, such as Team Fortress 2. In normal desktop use, there's no trace of Nvidia.

If you have ideas how I could test this even further, please let me know and I'll report my findings.
anandrkris 2013年4月10日 9時23分 
Saw this news[www.h-online.com] item. Not clear and am unsure if we can completely do away with bumblebee.
Teisei 2013年4月10日 9時24分 
anandrkris の投稿を引用:
Saw this news[www.h-online.com] item. Not clear and am unsure if we can completely do away with bumblebee.
I have to admit the laptop I tested has bumblebee installed.
Doc Holliday 2013年4月10日 11時12分 
Optimus Support is only part way here
Naharis H'ghar 2013年4月10日 11時20分 
Full support will be with Kernel 3.9.
Teisei 2013年4月10日 12時34分 
Deader H'ghar の投稿を引用:
Full support will be with Kernel 3.9.
I guess so, but this driver is still better than nothing. I love how Linux is finally getting some attention.
最近の変更はTeiseiが行いました; 2013年4月10日 12時34分
Federal-Foe 2013年4月10日 14時44分 
I get an error with the 319, it says it could not find glColorIndexedEXT or something. It works with the 310 though, any idea why this is?
Teisei 2013年4月10日 14時51分 
Federal-Foe @Linux @newsens の投稿を引用:
I get an error with the 319, it says it could not find glColorIndexedEXT or something. It works with the 310 though, any idea why this is?
Where do you get this error? Are you able to access the desktop? Is it just Steam, or a specific game?
SUSEd 2013年4月11日 1時33分 
Somebody tested it? I mean optimus.
Teisei 2013年4月11日 1時41分 
SUSEd の投稿を引用:
Somebody tested it? I mean optimus.
I did. The new drivers are great :)
nia40m 2013年4月11日 3時07分 
After the installing of drivers, how you use them? With bumblebee or...? Can you explain me? (If it isn't difficult)
最近の変更はnia40mが行いました; 2013年4月11日 3時08分
Teisei 2013年4月11日 3時31分 
nia40m の投稿を引用:
After the installing of drivers, how you use them? With bumblebee or...? Can you explain me? (If it isn't difficult)
Just install bumblebee, bumblebee-nvidia, nvidia-319 and nvidia-settings-319 ... that should be enough. I don't recall having done anything else.
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