[Bug 35718] Multiple games have extreme flicker, stutter, slowdown (Path of Exile, Roller Coaster Tycoon, Counter Strike: Global Offensive, Warframe, Crysis, Anno 1602, Splinter Cell: Blacklist)

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=35718

--- Comment #33 from Xavier Vachon <xvachon at gmail.com> ---
(In reply to Ken Thomases from comment #32)
> Created attachment 47937 [details]
> Another try at deferring recreation of the drawable
> 
> Thanks, everybody, for the testing with attachment 47883 [details].  The
> fact that it helped with some games is useful to confirm my theory of the
> problem.  I don't think it's the proper solution though.
> 
> I've attached a revamped version of attachment 47808 [details] (with the
> diagnostics from attachment 47866 [details] included, too).  Since that
> didn't fix the problem for most of you, this probably still won't fix the
> problem.  But I've added more debug tracing to hopefully help explain why.
> 
> So, please apply this patch on top of current git (wine-1.7.15-133-g62f7ba2)
> and collect another +tid,+d3d,+wgl log.  Again, exit the game as soon as you
> see the problem (or are sure it's gone) to keep the log short.
> 
> I don't expect this to help with the CS:GO problem, so no need to retest
> that.
> 
> Thanks!
> 
> For those interested, the theory behind this patch is to decouple the
> thrashing of the pixel format from the destruction and recreation of the
> drawable in the X11 driver (as described in comment 23).  When the pixel
> format is changed, the X11 driver now makes note of that but doesn't
> recreate its drawable immediately.  Instead, it waits until the drawable is
> truly needed.  At that time, if the pixel format has been changed back so
> that it's compatible with the drawable again, then the drawable is just kept
> as-is.

Works for Path of Exile.

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