From: bugzilla-daemon@freedesktop.org
To: dri-devel@lists.freedesktop.org
Subject: [Bug 98664] Fragment shader while loop causes geometry corruption
Date: Thu, 17 Nov 2016 22:34:55 +0000 [thread overview]
Message-ID: <bug-98664-502-gjIEQUsnUT@http.bugs.freedesktop.org/> (raw)
In-Reply-To: <bug-98664-502@http.bugs.freedesktop.org/>
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https://bugs.freedesktop.org/show_bug.cgi?id=98664
--- Comment #15 from Jakob Bornecrantz <wallbraker@gmail.com> ---
(In reply to Nicolai Hähnle from comment #14)
> I suspect the reason that the blob drivers do it this way is that if you
> don't, you're likely to hit a subtle bug with emit inside control flow. And
> making the effort to exploit the undefined-ness probably pays off very
> rarely, so... I'm about to send out a patch to mesa-dev that might explain
> this better. In any case, the shader still did the wrong thing according to
> the spec :)
Following the spec fixed the problems I was seeing, thanks! It slightly slower
then on Windows, but within the same magnitude.
Cheers, Jakob.
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next prev parent reply other threads:[~2016-11-17 22:34 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-11-09 19:17 [Bug 98664] Fragment shader while loop causes geometry corruption bugzilla-daemon
2016-11-09 19:18 ` bugzilla-daemon
2016-11-09 19:18 ` bugzilla-daemon
2016-11-09 19:21 ` bugzilla-daemon
2016-11-16 11:04 ` bugzilla-daemon
2016-11-16 11:44 ` bugzilla-daemon
2016-11-16 15:07 ` bugzilla-daemon
2016-11-16 15:59 ` bugzilla-daemon
2016-11-16 17:03 ` bugzilla-daemon
2016-11-16 21:09 ` bugzilla-daemon
2016-11-17 15:40 ` bugzilla-daemon
2016-11-17 15:56 ` bugzilla-daemon
2016-11-17 17:01 ` bugzilla-daemon
2016-11-17 17:15 ` bugzilla-daemon
2016-11-17 21:57 ` bugzilla-daemon
2016-11-17 22:34 ` bugzilla-daemon [this message]
2016-11-18 21:51 ` bugzilla-daemon
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