Re: gtkFB performance

[Peter Gasper <pgasper designadvantage com>]

Well, I compiled the geode specific framebuffer drivers. While there was
a tiny noticeable speed improvement in redrawing, it is still much too
slow. Any other ideas? What sort of linux OS environment related things
could cause poor performance.

thanks.

On Fri, 2003-06-20 at 11:20, Sven Neumann wrote:
> Hi,
> 
> Peter Gasper <pgasper designadvantage com> writes:
> 
> > I have a simple GUI app (gtkmm) running on gtkFB. The framebuffer
> > driver being used is the kernel's vesa driver. It runs, but screen
> > redraws (for example resizing of panes) are very slow and cause the
> > mouse to pause till its done redrawing. I can see several causes of
> > this: 266 processor (shouldn't be an issue though) using the vesa fb
> > driver rather than the one specifically for the geode (our
> > processor) that its unaccelerated (fix by using DirectFB?)  others?
> 
> There was support added for the NSC GX1/GX2 cards to DirectFB
> recently. That might be the chip you are using. So you could try
> GTK+-DirectFB. This would also fix the blocking mouse since it uses
> threads for input devices.
> 
> 
> Sven
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-- 
Peter Gasper <pgasper designadvantage com>