[Exherbo-dev] Some X-related options

Bernd Steinhauser exherbo at bernd-steinhauser.de
Mon Jan 6 17:30:12 UTC 2014


On 06/01/14 18:25, Calvin Walton wrote:
> On Mon, 2014-01-06 at 17:56 +0100, Bernd Steinhauser wrote:
>> On 05/01/14 13:47, Wulf C. Krueger wrote:
>>>> dga: Direct graphicaccess
>>> Used to cause issue in vice and some other applications if not handled
>>> carefully and configured properly in the application. But that's been
>>> years ago so things might have changed here, too.
>> Since I don't know much about dga and its implications, I'll leave it in place
>> for now.
>
> http://www.mplayerhq.hu/DOCS/HTML/en/dga.html is a good read.
>
> Basically, it appears to be a method for doing dynamic screen resolution
> switching (obsoleted by Xrandr) in combination with mapping video memory
> directly into a userspace process (obsoleted by Xv, DRM+OpenGL). I doubt
> it even works on any video card made in the past 10 years; and it
> definitely wouldn't work on anything using KMS.

Ok, so after reading that, I'd rather remove support for that completely. But 
it'll definitely stay optional, if we keep it.




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