[Xorg] Xfbdev acceleration without offscreen pixmaps?

[Michael Frey]

So --- should I be building without Composite?

Michael

On Jun 28, 2004, at 9:43 PM, Keith Packard wrote:

>
> Around 21 o'clock on Jun 28, Michael Frey wrote:
>
>> I have a video card that only has enough memory for the on screen 
>> frame
>> buffer but It has a 2DBLT engine.  I have code that I used in the
>> XFree86 tree with kdrive that works great and I want to move to the 
>> new
>> kdrive from freedesktop.  Can someone tell me if it is possible to use
>> acceleration routines without using offscreen pixamps?
>
> The frame buffer is a pixmap, so any windows drawn to the visible frame
> buffer will be acceleratable.
>
> With Composite, not all windows are drawn to the visible frame buffer,
> hence the strange conditions in the kaa code.
>
> -keith
>
>