[Mesa-dev] [Bug 79421] [llvmpipe] SIGSEGV src/gallium/drivers/llvmpipe/lp_rast_priv.h:218

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=79421

--- Comment #1 from Roland Scheidegger <sroland at vmware.com> ---
I can't reproduce this, and valgrind didn't show anything suspicious neither.
Is this a regression?
I see the problem though, we're missing a test for non-zero cbuf in
lp_rast_shade_tile (which we already do in lp_rast_shade_quads_mask).
For some reason though when I run the test it never touches lp_rast_shade_tile
just lp_rast_shade_quads_mask which certainly explains why it doesn't crash -
from a quick glance with the geometry I get lp_rast_shade_tile should be
impossible. In any case I increased the FB_SIZE in the piglit test which made
it crash indeed. I'm going to post a fix...

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