[Bug 6214] New: Screen blanks on map zoom over 100%

[Wine Bugs]

http://bugs.winehq.org/show_bug.cgi?id=6214

           Summary: Screen blanks on map zoom over 100%
           Product: Wine
           Version: 0.9.20.
          Platform: PC
               URL: http://www.oziexplorer.com
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: wine-binary
        AssignedTo: wine-bugs at winehq.org
        ReportedBy: steven at heimann.com.au


The following run under Ubuntu Dapper.

Oziexplorer version 3.95.4.m installs and mostly works fine.  It is necessary to
disable help as detailed under the Oziexplorer appdb entry.

However after a map is loaded if you zoom into the map over 100% then the map
screen goes black.

I have tried a number of different versions of wine 0.9.21, 0.9.20, 0.9.16,
0.9.12, 0.9.10, 0.9.9 & 0.9.8.

The program is much more responsive under the later versions.  The map zoom
works fine up to wine 0.9.9.  From 0.9.10 onwards it fails.  I tried wine with
WINEDEBUG+=RELAY but no obvious errors arise.  The following is a small sample
of messages which arise whether or not the zoom is > or < 100% with debug

fixme:win:LockWindowUpdate ((nil)), partial stub!
fixme:win:LockWindowUpdate (0x1003c), partial stub!
fixme:win:LockWindowUpdate ((nil)), partial stub!
fixme:win:LockWindowUpdate (0x1003c), partial stub!
fixme:win:LockWindowUpdate ((nil)), partial stub!

The diff file for 0.9.10 talks about "Direct3D fixes and preparation for ddraw
code migration." so I guess the problem was introduced there.

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