Re: [Xpert]Re: [Dri-devel] Backing store on Radeon?

[Alan H. <al...@fa...>]

On Wed, Oct 30, 2002 at 10:54:34 -0800, Ian Romanick wrote:
> On Wed, Oct 30, 2002 at 06:35:41PM +0000, Alan Hourihane wrote:
> > On Wed, Oct 30, 2002 at 10:26:39 -0800, Ian Romanick wrote:
> > > > This looks like the XAA acceleration is to blame.
> > > > 
> > > > If you add 
> > > > 
> > > > 	Option "XaaNoCPUToScreenColorExpandFill"
> > > > 
> > > > Then you get most of the text back, except for the menu bar. It seems
> > > > that this function isn't honouring transparency information. So we could
> > > > add NO_TRANSPARENCY to this or find out why it's not working right.
> > > 
> > > I gave that a try on the texmem branch (pre-XFree merge), but it didn't
> > > help.  Is this something that only exists post-merge?  I tried to update the
> > > trunk and build, but it seems that you're in the process of commiting some
> > > changes (I810XvMC.h barfs because Xlibint.h does not exist).  Could you
> > > shoot me an e-mail when you're done?  I'll give it a try w/the trunk then.
> > 
> > I'm already done.
> > 
> > Xlibint.h exists in lib/Xv. What problem are you seeing ?
> 
> Okay.  It's there now, but it wasn't there when I sent the message.  I guess
> you did shoot me an e-mail. :)
> 
> > As for the Option, it's an XAA option that's been there for quite some
> > time.
> 
> Hrm...okay.  I guess I could have read the man page for XF86Config.  I put
> it in the wrong section. :(  After moving it, I'm not sure if the X server
> is taking it, though.  It doesn't change the result of my test, and the
> "Indirect CPU to Screen color expansion" line still shows up in my log.
> 
> However, adding "XaaNoScanlineCPUToScreenColorExpandFill" does seem to fix
> the problem WRT twm.  I'll have to try it out with the "real" app to see if
> it's fixed there as well.

That's right - it's the Scanline version in the radeon driver. But it
doesn't fix twm completely. The title bar is still missing.

Alan.