[Bug 17827] New: Fallout 3 detects video card capabilities by description

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=17827

           Summary: Fallout 3 detects video card capabilities by description
           Product: Wine
           Version: 1.1.17
          Platform: PC
        OS/Version: other
            Status: UNCONFIRMED
          Severity: major
          Priority: P2
         Component: directx-d3d
        AssignedTo: wine-bugs at winehq.org
        ReportedBy: John-Whitlock at ieee.org


Fallout 3 appears to detect video card capabilities by description.  The
attached patch to 1.1.17 allows the video card description to be read from the
registry, and makes the game playable.

Without the patch, the game will run through the intro pages until "New Game"
is selected.  At that point it will crash, usually blaming it on xlive.dll (see
bug #15839).  However, this may be a crash handler that is failing.

One work-around is to modify My Documents/My Games/Fallout 3/FALLOUT.INI, to
set "bUseFaceGenHeads=0".  This allows the "New Game" to continue, but without
heads on any characters.

It appears that Fallout 3 uses the video card description to discover shader
support.  This may be a fallback for an unimplemented function.  With the
attached patch, the video card description can be added to the registry, and
the game will allow "New Game" with character heads.

There may be a deeper issue at work, but this would allow the game to earn the
"Gold" status it is currently advertised with.


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