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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [Bisected] Graphical corruption in Weston, shows old framebuffer pieces"
href="https://bugs.freedesktop.org/show_bug.cgi?id=89131#c5">Comment # 5</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [Bisected] Graphical corruption in Weston, shows old framebuffer pieces"
href="https://bugs.freedesktop.org/show_bug.cgi?id=89131">bug 89131</a>
from <span class="vcard"><a class="email" href="mailto:pjm0616@gmail.com" title="Park, Jeongmin <pjm0616@gmail.com>"> <span class="fn">Park, Jeongmin</span></a>
</span></b>
<pre>
I moved depth buffer checks from dri*.c to pp_jimenezmlaa() per Brian's comment
here: <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - [osmesa] Crash on postprocessing if z buffer is NULL"
href="show_bug.cgi?id=88962">https://bugs.freedesktop.org/show_bug.cgi?id=88962</a>
depth buffer check was added to pp_mlaa.c in
2e6ba6afdb62e80689b844c7267272d261db172c
and removed from dri*.c in 0467a52dc3f7d51eeb51179ce2f9871758ecacb1
This bug seems to be caused by my patch didn't check if pp_jimenezmlaa() was
failed.
In pp_run.c, if there are multiple postprocess stages(ppq->n_filters > 1)
so that it requires a temp buffer(ppq->tmp[]), and pp_jimenzmlaa return
immediately without writing to 'out', then the temp buffer would have old data.</pre>
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