[Bug 22646] New: Modern Warfare 2: Fog and smoke rendered incorrectly

wine-bugs at winehq.org wine-bugs at winehq.org
Mon May 10 11:58:26 CDT 2010


           Summary: Modern Warfare 2: Fog and smoke rendered incorrectly
           Product: Wine
           Version: 1.1.44
          Platform: x86
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: trivial
          Priority: P2
         Component: -unknown
        AssignedTo: wine-bugs at winehq.org
        ReportedBy: knaprigt at gmail.com

Fog and smoke seems to be rendered incorrectly in Modern Warfare 2 when using
Wine 1.1.38 - 1.1.44. While fog used to be rendered correctly with Wine 1.1.37
something happened after that version, in other words, this is a regression
(yes, I've downgraded and tested with multiple versions).

To test this bug, start Modern Warfare 2 - Single player with Steam, select
"Special Ops" from the main menu, then "Solo play", "Alpha" and "The Pit" (this
is the first level which should be available to everyone). When the actual game
starts one can notice a significant difference in the rendering of fog. While
smooth in Wine 1.1.37, it flickers a lot and sometimes seem to "get stuck" in
later versions. The same goes for smoke if the player shoots into the ground,

Also, this bug should not be confused with bug "16641" (Call of Duty 4 - Depth
of field and soften smoke edges broken), since the rendering issues in this bug
looks just the same with soften edges turned off (or on for that matter).

I'm not sure what component is causing this, but a good place to start might be
any Direct3D changes done between Wine version 1.1.37 and 1.1.38. I'll try to
find out exactly what's the problem when I get some free time but, in the mean
time feel free to help out! =)

Some system specs:
CPU: Intel Quad Core @ 3Ghz
GFX: GeForce GTS 250 / 1Gb
Nvidia driver: 195.36.24 (32bit)
Xorg server: 1.6.5

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