[Bug 13201] New: Microsoft Pinball Arcade jittery animations

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=13201

           Summary: Microsoft Pinball Arcade jittery animations
           Product: Wine
           Version: 0.9.61.
          Platform: PC
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: -unknown
        AssignedTo: wine-bugs at winehq.org
        ReportedBy: vanessaezekowitz at gmail.com


Movements of the ball, flippers, and other objects in Microsoft Pinball Arcade
have become jittery.  The effect is similar to what you'd get if you have a
double-buffered game engine that mostly runs normally, but intermittently mixes
up the two buffers (maybe this is what's happening?).

The effect happens every couple of seconds, and lasts for what looks like two
frames.  It is easiest to see this artifact when the ball is moving fast (thus
the ball covers the most distance between adjacent frames), particularly across
an open part of the table just after you hit it with a flipper.

Expected behavior:
The game should animate smoothly as it does in Windows and previous versions of
Wine.

Versions affected:
Wine 0.9.45 works fine in this regard, as do some later versions.  0.9.61 and
1.0 rc1 show this artifact.  My normal procedure is to install a version of
Wine, test it, and if I discover something wrong, I simply roll back to a
version that I know works (in this case, 0.9.45).


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