[Bug 93594] Flickering Shadows in The Talos Principle

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=93594

--- Comment #5 from EoD <EoD at xmw.de> ---
(In reply to Michel Dänzer from comment #1)
> (In reply to Christoph Haag from comment #0)
> > When replaying the trace on intel, the shadows don't seem to flicker.
> 
> Not at all? I see pretty bad flickering on my Verde, but while I can still
> see some on my Kaveri, it's hardly noticeable. So this might be at least
> partly an SI specific issue.

While changing a few settings I observed, the lower the "Max Shadow Size"
setting is, the easier you can see the heavy flickering.
When you set the setting "No dynamic lightning", all the flicker is gone.

I made a new and smaller apitrace with every setting on LOWEST. The new
apitrace shows the difference between a scene with dynamic lightning (no
flickering) and the same scene without dynamic lightning (massive flickering).

https://drive.google.com/file/d/0B42CQY2wGHumalYyWEJNRXAzWFE/view?usp=sharing

It evens runs semi-smoothly on llvmpipe.

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