Re: [Xpert][PATCH] Work-around for busy-wait in XDGASetViewport

2002-09-22 Thread Fredrik Noring
sön 2002-09-22 klockan 23.01 skrev Mark Vojkovich: > Who cares anyway. DGA is slated for removal in XFree86 5. Oh, so is DGA going to be replaced with something else? Are there any alterantives still using X? (With features such as double buffering, vertical retrace synchronisation and no requ

[Xpert][PATCH] Work-around for busy-wait in XDGASetViewport

2002-09-22 Thread Fredrik Noring
The attached patch is a work-around for the busy-wait in the XDGASetViewport function in the "nv" driver. Eliminating the busy-wait can make a significant difference when for example playing video using DGA. (In my test setup, the previous loop often required 20-40 % of wasted cpu cycles.) The

Re: [Xpert]TV Out - Recommendations?

2002-09-21 Thread Fredrik Noring
lör 2002-09-21 klockan 21.15 skrev Christian Berger: > Well take a search engine and search for vgatv and linux and you will get > a set of modelines and schematics to use any VGA-card for use with TVs. > The quality is a _lot_ better than anything you get with normal TV-outs on > cards. You wi

[Xpert]Re: NVidia RIVA TNT2 M64 and Xv - how can I implement it?

2002-09-20 Thread Fredrik Noring
fre 2002-09-20 klockan 00.30 skrev Fredrik Noring: > Does anybody know if XVideo is supposed to work with interlace > at all, or is this limited by the hardware? After some research on a few TNT and GeFore cards, I think I can answer this question myself. It seems that the hardware

[Xpert]Re: NVidia RIVA TNT2 M64 and Xv - how can I implement it?

2002-09-19 Thread Fredrik Noring
On Sun, 28 Apr 2002, Mark Vojkovich wrote: >I'm told that pre GeForce cards have different overlay hardware > that is more difficult to program. I've never really looked into > it and wasn't planning on it since I don't have docs for the > deprecated TNT overlay engine. Would it be possible