On Thu, 2002-05-16 at 11:57, [EMAIL PROTECTED] wrote: > >> Doesn't xv support double buffer ? > > > >Some drivers (including r128 and radeon) do, but that just means that > >the current image will be displayed on the next retrace after it has > >been transferred to video RAM. > > Ok, so I beleive we can't blit asynchronously because the source > buffer won't be availble to the X server upon exist from putimage ? > > If this is not that case, that is if X can still tap the source > buffer upon exit from put image, it can do async blit transparently > pretty easily.
The source buffer doesn't matter after we have filled the DMA buffers, does it? Anyway, I don't see any explicit synchronisation in the driver, so probably the problem is the players calling XSync(). > In all cases, we would surely benefit some way to block on the interrupt > instead of spin looping. Yep. -- Earthling Michel Dänzer (MrCooper)/ Debian GNU/Linux (powerpc) developer XFree86 and DRI project member / CS student, Free Software enthusiast -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
