On Fri, Oct 10, 2003 at 12:24:56PM +0100, Keith Whitwell wrote:
> 
> >>>Right. And certainly now with the new linear allocator the Xserver can
> >>>manage the whole lot.
> >>
> >>Does the X server make any promises about preserving the contents of the 
> >>fb memory?  EG, if there's a VT switch, will the contents be saved 
> >>somehow?
> >
> >
> >No. No preservation is done. We need to invalidate everything.
> 
> That's a problem, as the only way we can do things like accelerated 
> CopyTexSubImage() and single-copy textures is if the FB contents are 
> guarenteed to be preserved.  That's (I believe) one of the goals of Ian's 
> in-kernel memory manager.
 
O.k.

> The other is to organize some sort of fair sharing of texture memory 
> between competing contexts.  I would guess that the X server memory manager 
> doesn't try to do this sort of thing?

Not currently, but I guess it could be made to.

Alan.


-------------------------------------------------------
This SF.net email is sponsored by: SF.net Giveback Program.
SourceForge.net hosts over 70,000 Open Source Projects.
See the people who have HELPED US provide better services:
Click here: http://sourceforge.net/supporters.php
_______________________________________________
Dri-devel mailing list
[EMAIL PROTECTED]
https://lists.sourceforge.net/lists/listinfo/dri-devel

Reply via email to