The right tool to use: XGetImage or Compositing or something else entirely

[Philip Lawatsch]

Hi,

>> What I'm trying to do is write some support to use an nvidia "optimus"
>> system under linux (basically one has two graphics cards, but only one
>> of the is connected to physical displays).

>> So, any suggestions / advice / best practices (other than not buying
>> hardware like that) for how I should try to speed that up?
>
> http://airlied.livejournal.com/71734.html

Sadly this was for an ati card where open source drivers are available
to play around with. In my case I can't really hack around in the
driver :(
And I don't want to use nouveau as I'm out for opengl performance, so
I have to use the nvidia binary blobs.

kind regards