Am Mittwoch, 8. Dezember 2004 00:27 schrieb Roland Scheidegger:
> Dieter Nützel wrote:
> >>> True for DoomIII, but who can switch the lights ON, finally...?
> >>> ;-)
> >>
> >> That is some weird texcoord problem. (I actually have a one-line
> >> workaround for that, which breaks submitting texgen and non-texgen
> >> coordinates at the same time more or less completely).
> >
> > Let me test.
>
> Attached. I've also included the 2nd one-liner in this patch, don't know
> if it changes anything with doom3 (but using swtcl fallback for
> gl_sphere_map is very problematic at least in nwn).

Will try it later. Maybe in a few minutes ;-)

> >>> 'Zooming' a 3D VTK prog from the upper left corner into a bigger
> >>> window in the desktop middle show missing z/buffer
> >>> clearing/redraw.
> >>>
> >>> Was OK before.
> >>
> >> Hmm, do you have a screenshot of that (or preferably more than one,
> >>  I'm interested what happens when you move the window from top-left
> >>  to top-right, bottom-left and bottom-right)?
> >
> > No zoom, then nothing.
>
> So if you only move the window, everything is ok? That's weird.

Yes.

Even after CVS merge.

> > After zoom only the lower, left part of the window would be redrawn
> > right. In all places.
> >
> > See our domain ;-)
> >
> > http://www.nuetzel-hh.de/public
>
> Looks like if you zoom the window, someone forgets to tell the driver
> the new window size. Are you sure this is caused by hyperz,

No.
But worked before.
Even with Mesa only.

Pageflip do not change it but gave good snapshot:
http://www.nuetzel-hh.de/public/VTK-TaskParallelism-zoom-middle-CVS.png
Normal desktop background and 3D stuff isn't cleared/wouldn't be redrawn.

But this one shows, that sometimes the most near 3D pixel will be drawn.
http://www.nuetzel-hh.de/public/VTK-TaskParallelism-zoom-middle-CVS1.png

> i.e. if you 
> use hyperz=false it still is wrong?

Yes.

> I'm wondering if it could be ddx-related (you're still using XFree86
> 4.3.99 something, right?)

Right.

> >>> Should I play with the clearmask, again?
> >>
> >> No, not unless you're serious about implementing a real
> >> hierarchical-z solution.
> >
> > Maybe I'm somewhat unclear, here.
> >
> > I mean this one:
> >
> > --- radeon_state.c.orig 2004-11-11 22:08:37.000000000 +0100 +++
> > radeon_state.c.aktuell      2004-11-13 14:08:32.000000000 +0100 @@
> > -894,7 +894,8 @@ } else { /* FIXME : reverse engineer that for Rx00
> > cards */ -                       clearmask = (0xff<<22)|(0xff<<6)|
> > 0x003f003f; +                       /* clearmask =
> > (0xff<<22)|(0xff<<6)| 0x003f003f; */ + clearmask = 0x0;
>
> Well, with the new patch the clearmask used is always 0 (values other
> than 0 make afaik only sense for hyperz).

I never had these pattern before.

> >>> [Bug 2010]  New: depth and stencil readback are broken beyond x >
> >>>  1023 Fix do not show any changes. zreaddraw is corrupted even
> >>> with screen redraw.
> >>
> >> Do you mean with hyperz?
> >
> > Of course ;-)

With hyperz off, too.

http://www.nuetzel-hh.de/public/zreaddraw.png
http://www.nuetzel-hh.de/public/zreaddraw1.png
http://www.nuetzel-hh.de/public/zreaddraw-after-move-out-right.png

> >> That's to be expected (at least for now). That bug 2010 depth
> >> readback problem is meant for cases without hyperz.
> >
> > I see.
>
> It definitely is a problem, but for now it is an expected one :-).
>
> >>> Have a look into SPECViewperf 7.1.2/8.0.1 _ugs_, too. Depth is
> >>> mostly broken there, too.
> >>
> >> Works perfect (though slow as always...) for me (7.1). Screenshot?
> >
> > With and without hyperz. (maybe unrelated).
>
> If it is also without hyperz then it most likely is unrelated.

Seems to be fixed, now.
The mask fix?

> > Depth and clear (?) is broken.
> > http://www.nuetzel-hh.de/public/ugs02QualityFull.png
>
> I'm not quite sure what this picture should look like, I don't have one
> with that name.

All with 7.1.1.

The whole list is long and big (size: 21,1 MB)...
ugs01-xxx to ugs08-xxx
...when it run without error ;-)

There is superimposed KDE mask.

But pageflip=false SOLVED it. (see below)

> > http://www.nuetzel-hh.de/public/ugs03Full.png
>
> Looks somewhat wrong.

Wrong alpha?

> I definitely get a different ugs03Full.png - or is 
> that a 8.0 pic?

No. 7.1.1

> > E.g. depth would be wrapped on 'big' desktops (1280x1024x24/32).
> > http://www.nuetzel-hh.de/public/ugs06Full-depth.png
>
> That is indeed most certainly bug 2010 (i.e. it's only wrapped when read
> back).

Solved. (see above)

> > With viewperf-smp I get mostly empty/black windows with ugsXXX.
>
> btw are you using pageflip? I couldn't get correct screenshots with
> viewperf with it enabled, though I haven't tried for a while.

dito

Superimposed KDE stuff is gone.

-Dieter


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