[Bug 21165] Borderlands is ~3x slower under Wine (GeForce Go 7900 GS).

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=21165





--- Comment #33 from atomic.quark at gmail.com  2010-08-24 10:22:47 ---
(In reply to comment #32)
> (In reply to comment #31)
> > ...
> > Changing settings seems to have little to no effect (resolution,
> > game/foliage/texture quality, etc) all seem to be independent of framerate,
> > which makes me feel that there's a bottleneck not directly related to the
> > rendering.
> > ...
> 
> Being cognizant of the performance issues we've all been experiencing I've been
> formulating a theory as to their source.  After playing many times with my
> father, and watching certain types of artifacts occur with different settings,
> I am growing suspicious that somehow it is the processing of audio that is
> causing the slowdown.
> 
> Evidence:
> 1) When loading games there is a black screen before the "wormhole effect" that
> consumes roughly the same time as the effect itself.
> 2) Only when playing using the ALSA driver do I see the "zoom crosshair doesn't
> show up" bug, and when I do see the crosshair under these conditions it is
> always timed with the end of an audio event (ie. hearing gunshots or
> footsteps).
> 3) When standing still the framerate appears to be much better than when
> walking, and it is even worse when two people are walking within earshot of
> each other.
> 
> I don't exactly have the time to track this down right now (I have a backlog of
> patches I need to update), but I'm hoping this information will be useful to
> someone else.
That's an interesting thought.  I forgot to mention that in winecfg I was
unable to select ALSA and had to select OSS (I believe this has to do with the
fact that I'm using 64-bit Debian).  However, after the wormhole effect I
usually see a black screen as opposed to before it.  I have noticed that when
standing the framerate can be better, but I never linked this to the sounds.
   I tested the sound thing a little and found that at least some of it is
linked with how the graphics are rendering, or so it seems.  I tried starting a
new character and without moving I noticed that where I looked had a somewhat
significant impact on my framerate.  If I faced the town like you start, I was
getting 15fps at most, but if I turned around I could get far more by facing
essentially nothing.  So while sound may affect things, it seems doubtful that
it's the primary thing slowing the game down.  It'd be nice if there was a way
to mute the game (so it did no sound processing at all) to see if this really
was the problem.

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