From: bugzilla-daemon@freedesktop.org
To: dri-devel@lists.freedesktop.org
Subject: [Bug 93594] Flickering Shadows in The Talos Principle
Date: Wed, 17 Feb 2016 16:51:46 +0000 [thread overview]
Message-ID: <bug-93594-502-bdmST9G0ZQ@http.bugs.freedesktop.org/> (raw)
In-Reply-To: <bug-93594-502@http.bugs.freedesktop.org/>
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https://bugs.freedesktop.org/show_bug.cgi?id=93594
--- Comment #10 from Marek Olšák <maraeo@gmail.com> ---
(In reply to Michel Dänzer from comment #9)
> Note that AFAIK using things like derivatives in non-uniform control flow
> isn't supported by GLSL. What's the original GLSL shader?
True.
The GLSL shader is using discard followed by fwidth. This is undefined
behavior.
Therefore, it's an application bug.
The easy workaround would be to disable register allocation in st/mesa to get a
quasi-SSA form and trivially move KILL_IF to the end of the shader if the app
is detected to be Talos Principle.
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next prev parent reply other threads:[~2016-02-17 16:51 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-05 15:16 [Bug 93594] Flickering Shadows in The Talos Principle bugzilla-daemon
2016-01-06 3:01 ` bugzilla-daemon
2016-01-06 18:59 ` bugzilla-daemon
2016-01-06 19:08 ` bugzilla-daemon
2016-01-07 8:58 ` bugzilla-daemon
2016-01-07 23:45 ` bugzilla-daemon
2016-01-07 23:50 ` bugzilla-daemon
2016-02-14 4:21 ` bugzilla-daemon
2016-02-17 1:17 ` bugzilla-daemon
2016-02-17 1:55 ` bugzilla-daemon
2016-02-17 16:51 ` bugzilla-daemon [this message]
2016-02-17 17:21 ` bugzilla-daemon
2016-02-17 21:12 ` bugzilla-daemon
2016-02-17 23:20 ` bugzilla-daemon
2016-02-18 1:17 ` bugzilla-daemon
2016-02-18 15:07 ` bugzilla-daemon
2016-02-18 15:25 ` bugzilla-daemon
2016-02-18 16:06 ` bugzilla-daemon
2016-02-19 10:17 ` bugzilla-daemon
2016-02-19 16:41 ` bugzilla-daemon
2016-02-19 20:05 ` bugzilla-daemon
2016-02-20 0:34 ` bugzilla-daemon
2016-02-20 10:17 ` bugzilla-daemon
2016-02-20 21:22 ` bugzilla-daemon
2016-02-22 1:00 ` bugzilla-daemon
2016-02-23 0:06 ` bugzilla-daemon
2016-02-25 21:46 ` bugzilla-daemon
2016-02-26 10:34 ` bugzilla-daemon
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