[Bug 24392] Unreal Engine 3: Motion Blur Effect Makes Games Unplayable

wine-bugs at winehq.org wine-bugs at winehq.org
Mon Jun 15 09:44:15 CDT 2015


https://bugs.winehq.org/show_bug.cgi?id=24392

Matteo Bruni <matteo.mystral at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |UPSTREAM

--- Comment #22 from Matteo Bruni <matteo.mystral at gmail.com> ---
(In reply to Béla Gyebrószki from comment #20)
> (In reply to Matteo Bruni from comment #19)
> > Created attachment 51507 [details]
> > Hack
> > 
> > The slowdown with motion blur is likely to be the same issue as bug 27879
> 
> The patch does not fix the problem in Mass Effect 1 & 2, nor it helps with
> bug #30256.

(In reply to Béla Gyebrószki from comment #21)

> Yet this could be a Nvidia driver bug as I can't reproduce the problem with
> the open source nouveau driver.

Actually it's the same bug. I debugged it further but forgot to comment here.

The patch doesn't help here because the game does a GPU feature check only on
the first run. If you delete GamerSettings.ini (which is in ~/BioWare/...) the
game should repeat the check and possibly disable motion blur. In my case
motion blur was disabled in any case because, AFAIU, the game decided my GPU is
too bad anyway for that.
Specifically, there is a "CompatLevelGPU" setting in that ini file which is the
result of that initial GPU classification. You can enable / disable motion blur
and the other "advanced" graphic settings manually with MassEffect2Config.exe
or by tweaking the ini file (if you know the name of the relevant configuration
key).

> Wine 1.7.45
> Nvidia binary drivers 340.76 (bug is present)
> Nouveau 1.0.11 (the slowdown when motion blur is enabled is not present, but
> many levels in ME1 are rendered incorrectly)

Unrelated, but what's mostly interesting with Nouveau is the Mesa version
installed. There have been a few significant bug fixes for your GPU family
(NV50) in recent releases and I know Ilia Mirkin would love to get more bug
reports and fix bugs :)

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