[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(a)winehq.org
        ReportedBy: steven(a)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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