On Sat, 2002-01-12 at 20:27, Benjamin Herrenschmidt wrote: > You may improve performances using DMA to blit the YUV frames from memory > to the video cards. Michel Danzer wrote some code to enable that feature > along with DRI on r128s (including the Rage M3 of your iBook). I don't > know the exact state of this, especially I can't tell if he already > improved it to send all buffers using a single kernel call, but even > his first implementation should help.
I'm not even sure it would help much, and it would increase the latency of the transfer. I guess someone will have to try it and do thorough measurements. :) -- Earthling Michel Dänzer (MrCooper)/ Debian GNU/Linux (powerpc) developer XFree86 and DRI project member / CS student, Free Software enthusiast
