[Bug 21802] New: Mozilla firefox - main window is mostly black

http://bugs.winehq.org/show_bug.cgi?id=21802

Summary: Mozilla firefox - main window is mostly black
           Product: Wine
           Version: 1.1.39
          Platform: x86-64
               URL: http://getfirefox.com
        OS/Version: Linux
            Status: NEW
          Keywords: download, source
          Severity: normal
          Priority: P2
         Component: -unknown
        AssignedTo: [e-mail]
        ReportedBy: [e-mail]

Created an attachment (id=26374)
 --> (http://bugs.winehq.org/attachment.cgi?id=26374)
screenshot

See attached screenshot. Makes firefox practically worthless.

It's a regression, though it may be on firefox's end. I'll test older wine
soon.

Terminal output doesn't show much:
fixme:system:SetProcessDPIAware stub!
fixme:dwmapi:DwmIsCompositionEnabled 0x32fcd4
err:ole:CoGetClassObject class {591209c7-767b-42b2-9fba-44ee4615f2c7} not
registered
err:ole:CoGetClassObject class {591209c7-767b-42b2-9fba-44ee4615f2c7} not
registered
err:ole:CoGetClassObject no class object {591209c7-767b-42b2-9fba-44ee4615f2c7}
could be created for context 0x3
fixme:resource:GetGuiResources (0xffffffff,0): stub
fixme:file:MoveFileWithProgressW MOVEFILE_WRITE_THROUGH unimplemented
fixme:advapi:SetNamedSecurityInfoW L"C:\users\austin\Local
Settings\Application
Data\Mozilla\Firefox\Profiles\b07mnl2m.default\Cache.Trash\Trash\Cache"
1 536870916 (nil) (nil) 0x15bdac (nil)
fixme:font:ExtTextOutW flags ETO_NUMERICSLOCAL | ETO_NUMERICSLATIN | ETO_PDY
unimplemented
fixme:imm:ImmReleaseContext (0x3006c, 0x143070): stub