[Bug 22518] New: Regression causing graphical errors in Dungeons & Dragons Online

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=22518

           Summary: Regression causing graphical errors in Dungeons &
                    Dragons Online
           Product: Wine
           Version: 1.1.43
          Platform: x86-64
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: directx-d3d
        AssignedTo: wine-bugs at winehq.org
        ReportedBy: david at torangan.de
                CC: stefan at codeweavers.com


Dungeons & Dragons Online - Eberreon Unlimited displays a nasty graphical
disruption under load on my system and others:

http://appdb.winehq.org/objectManager.php?sClass=version&iId=17785

comments section, "Game run fine but textures are corrupted"

As a working version was also mentioned there, I made a bisect and got:

224043d6cf8b56e9ff2537358646700211d54d1f is the first bad commit
commit 224043d6cf8b56e9ff2537358646700211d54d1f
Author: Stefan Dösinger <stefan at codeweavers.com>
Date:   Thu Jan 28 20:51:06 2010 +0100

    wined3d: Implement dynamic buffers with GL_ARB_map_buffer_range.

:040000 040000 1f55d5e837f1d9a7d2b4611f2de3e02dbcd8fafe
c189de355870e1812adce96432f42a16967e2b2c M      dlls

The mentioned workaround of reducing the frame rate didn't help for me, but
there's also a setting to reduce Game Engine Speed which does reduce the
flickers quite a bit in a recent wine (1.1.43). There are some left but the
game is much more playable.

I'm using AMD 780G chipset graphics and the fglrx 10.4 beta from Ubuntu in
Gentoo (without any fancy optimization flags).

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