Re: Re:FW: XFree86 future

On 23 Mar 2003, Owen Taylor wrote:

> There is also the major problem right now that if you have sufficient
> video ram but no HW compositing, X will be doing framebuffer _reads_
> to alpha composite. (And for 16bpp color, 16 bit framebuffer reads
> at that.) There are various solutions here at varying levels
> of complexity. Most simply, a way for GTK+ to say "if you don't
> have HW render, don't put this pixmap into video RAM" would work
> fine.

   The solution is to have XFree86 kick out those pixmaps. 
I posted code to do that before.  Nobody commented on whether
it solved the problem or not.

   Anyhow, the new XAA is much smarter about this.  Pixmaps
get migrated in and out of video ram based on their useage. 


			Mark.