[Bug 27798] GTA3 & GTAVC rendering is messed up

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=27798

--- Comment #16 from Stefan Dösinger <stefandoesinger at gmx.at> 2011-08-24 18:10:00 CDT ---
With a glut test case I spotted a difference between Mesa and Nvidia binary
regarding handling of negative indices(or actually integer overflows when
adding index + base vertex index), but I doubt that this affects GTA 3.

As far as I can see the app doesn't do anything crazy. In the draw that crashes
here the base vertex index is 326, the indices from the buffer are between 0
and 123. I see no obvious way for the driver to screw up here.

Assuming my crash following the failure to allocate a buffer is the same issue
as your incorrect drawing I think the only way to figure this out is to dive
into the Mesa code to see what is going on.

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