[Bug 22478] Major performance drop in King's Bounty games with shadows enabled

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=22478





--- Comment #25 from GyB <gyebro69 at gmail.com>  2010-05-03 12:33:34 ---
(In reply to comment #24)
> Created an attachment (id=27689)
 --> (http://bugs.winehq.org/attachment.cgi?id=27689) [details]
> Improved fix
> 
> I think this fix is already a bit better. Performance should be similar. I must
> say that the issue is still hard to reproduce so now and then. Lets say half of
> the runs are with performance in the 25fps but when performance is good it is
> around 30-35fps. I have no idea what causes it but I guess the Nvidia drivers
> haven't clocked the GPU up yet.

Yes, this patch resulted nearly the same performance as your previous one. Of
course I got lower fps than you (with shadows=on it's hardly above 10 fps, but
that wasn't higher in the previous versions either). What is more important:
the original issue when shadows are enabled is now gone. Just imagine the whole
game became totally unresponsive with <1 fps . With your patch the situation is
now back to 'normal'.
Interestingly I can't notice the mentioned fluctuation in performance. 
Hopefully, others can also benefit from the improvement the patch does. Isn't
it strange no one else reported similar performance issues in other games?

> 
> I hope to have a new version ready soon (I think the change needs to be moved
> to context_apply_fbo_entry) but can't promise when since something bad has
> happened in the family :(

I'm sorry to hear about that. Best wishes to you and your family as well.

Regards,
Béla Gyebrószki

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