[Mesa-dev] glsl optimizations infinite loop patch
eric at anholt.net
Mon Jan 9 13:17:10 PST 2012
On Thu, 5 Jan 2012 21:17:52 -0600, Andy Clayton <q3aiml at gmail.com> wrote:
> Hi all,
> So this is my attempt at a fix for
> https://bugs.freedesktop.org/show_bug.cgi?id=34006. Any feedback on if
> this looks right to anyone is much appreciated. Sven Arvidsson did
> confirm on bugzilla that the patch does not cause any piglit
> regressions and does also fix the infinite loop issue for him.
I'm so sorry this languished for so long -- I don't see bugzilla mails
in my inbox, and it wasn't part of the driver, so I never saw the bug
I've added more details to the commit message and pushed your patch --
it was definitely a good improvement over what was there before. I
think the more serious problem is that we do copy propagation for the R0
to R0 assignemnt in general -- I think we're going to have actual
rendering bugs from that once I cook up a testcase.
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