On Sat, 28 Sep 2002 21:36:43 +0200 Dieter Nützel <[EMAIL PROTECTED]> wrote:
> Am Samstag, 28. September 2002 21:20 schrieb Felix Kühling: > > On Sat, 28 Sep 2002 17:28:01 +0100 > > > > Keith Whitwell <[EMAIL PROTECTED]> wrote: > > > Felix Kühling wrote: > > > > [snip] > > > > > > Ok, I think it can be done. However, we would react to load changes > > > > with one frame delay. Before I go on amusing people with another naive > > > > patch, I'll explain my idea. If you think it's ok, I'll go ahead > > > > implementing it, this time using radeonContext instead of a static > > > > variable ;) > > > > > > > > radeonContext would contain the irq_seq number and a boolean specifying > > > > whether there is an IRQ to wait for. If there is none, we have to do > > > > busy waiting. > > > > > > > > If we wait for an IRQ we check first, whether the last frame has > > > > already been completed. If so, we don't have to wait. > > > > > > > > In both cases (busy waiting and IRQ), if we did really wait, we emit an > > > > IRQ guessing that it will be the same next time. radeonContext is > > > > updated accordingly. > > > > > > > > To avoid switching the waiting scheme all the time we could switch to > > > > IRQ waiting only if we had to do at least N usleeps. > > > > > > This sounds good. I'm looking forward to see if you can implement it > > > without things getting too ugly. > > > > > :) We'll see. > > : > > > In the meantime, why don't you send me a tested version of your earlier > > > patch, modified to keep 'irq_seq' in rmesa. I'll commit it. > > > > Here you go ... tested as good as I can. I don't have/know any GL clients > > that use more than one context at at time. > > VTK http://public.kitware.com/VTK/ > All of my 3D medical VIS apps? ;-) > > Have you tried with 2 times running "gears" or the like? > I can't run it with r200 and current trunk => lookup > Worked with the tdfx driver for ages (only some texture corruptions due to > texmem fightings). > Even one instance of Q3A and UT 436 worked on my dual Athlon MP 1900+ :-) Yeah, I tried that. Works like a charm with IRQs as glxgears goes to sleep volunteerly. 2x glxgears + <choose-your-3d-game> is no problem and runs smoothly :) > > The attached patch contains both, the improved WaitForFrameCompletion > > and IRQ waiting in radeonFinish. > > I'll try it with VTK. Thanks. You mean on a radeon (not r200), right? > > -Dieter > __\|/__ ___ ___ ___ __Tschüß_______\_6 6_/___/__ \___/__ \___/___\___You can do anything,___ _____Felix_______\Ä/\ \_____\ \_____\ \______U___just not everything____ [EMAIL PROTECTED] >o<__/ \___/ \___/ at the same time! ------------------------------------------------------- This sf.net email is sponsored by:ThinkGeek Welcome to geek heaven. http://thinkgeek.com/sf _______________________________________________ Dri-devel mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/dri-devel
