Mesa: texture_from_pixmap outputs white patch

[Mohan Parthasarathy]

>
>
> >
> >         Sounds like the X server crashed, if this is reproducible it
> >         would be
> >         good to track it down
> >
> > This can be reproduced by just running texture_from_pixmap in a tight
> > loop. At least i can reproduce it.
>
> Good, can you get a gdb backtrace from the X server crash?
>

gdb method does not seem to work as the process exits and i have no trace in
gdb.
And after spending lot of time in settup up core dumps on my machine, i have
not been
successful in getting a core dump. I will try some more later today..


>
>
> >         > 2) Second time, the window is drawn and as i resize i can
> >         see the
> >         > rectangles and the diagonal lines inside being
> >         >      drawn but when the resize ends, i can't see anything.
> >
> >
> >         That's probably because GL rendering isn't properly redirected
> >         without
> >         DRI2.
> >
> >
> > Do you mean to say that it just works by luck when i run compiz :-)
>
> Kind of; without DRI2, the application is racing with compiz for the
> visible screen buffer instead of rendering to the window's backing
> pixmap used by compiz as a texture.
>
>
> > Also, with DRI2, what version of the linux kernel i should be
> > running ?
>
> I'm not sure, but I don't think it has any direct requirement on the
> kernel version.
>
Ok. I thought you needed TTM for this ...

-mohan


>
>
> --
> Earthling Michel Dänzer           |          http://tungstengraphics.com
> Libre software enthusiast         |          Debian, X and DRI developer
>
>
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