New DRI interface changes landed

[Vincent Vanackere]

2007/10/15, Michel Dänzer <michel at tungstengraphics.com>:
>
> On Sat, 2007-10-13 at 19:44 +0200, Vincent Vanackere wrote:
> >
> > I built everything from git after your changes, and I now have a crash
> > in the xserver when launching compiz.
> > Configuration :
> > - Intel G33 chipset using the driver from git
> > (e04333a6352040bc883655d606923c912d005981)
> > - git mesa f9c6dfc4d12451c21f39f38b048758cbee5723cf + patch from
> > http://bugs.freedesktop.org/show_bug.cgi?id=9264 (to run compiz)
> > - xserver : 927757e1028f45f7fd94b9a2ab35567e0f34b2a8
> >
> > Backtrace of the crash when launching compiz :
>
> [...]
>
> > #0  glxFillAlphaChannel (pixmap=<value optimized out>,
> >     x=<value optimized out>, y=0, width=<value optimized out>,
> >     height=<value optimized out>) at ../../../GL/glx/glxdri.c:318
> >         p = (CARD32 *) 0x0
>
> I suppose you're using EXA? My recent EXA changes broke the
> __glXDRIbindTexImage fallback code, it should be fixed to use proper X
> functions to manipulate the pixmap data instead of touching it directly.

Yes, using EXA...

> > #1  0x00002b46438c153c in __glXDRIbindTexImage (
> >     baseContext=<value optimized out>, buffer=<value optimized out>,
> >     glxPixmap=0x13b5120) at ../../../GL/glx/glxdri.c:435
> >         numRects = <value optimized out>
> >         p = <value optimized out>
> >         pRegion = (RegionPtr) 0x0
> >         pixmap = (PixmapPtr) 0x19a1ae0
> >         bpp = 4
> >         override = 0
>
> The question is why it doesn't use zero-copy texture-from-pixmap in the
> first place though.
>
>
> > I can provide more information if necessary,
>
> As always, the X log file might be useful.
>

I'm attaching the log from the latest xserver/mesa (from git, still
crashing with the same backtrace when I launch compiz).

Best regards,

Vincent
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