[Bug 7698] Counter-Strike:Source crashes after a while
wine-bugs at winehq.org
wine-bugs at winehq.org
Fri Aug 31 12:45:59 CDT 2007
http://bugs.winehq.org/show_bug.cgi?id=7698
--- Comment #102 from Christian Sonne <cers at geeksbynature.dk> 2007-08-31 12:45:59 ---
(In reply to comment #101)
> Yes, this is a font bug.
>
> The source engine uses fonts to render the names and weapon symbols. It creates
> a d3d surface for them and uses GetGlyphOutline to read the font symbol into
> that surface.
>
> Unfortunately the surface has a fixed size, and if GetGlyphOutline returns a
> bigger glyph than hl2 expects, it causes an overflow on the stack and the
> return address or a class instance pointer that is safed on the stack gets
> overwritten, and the game crashes a few instructions later.
>
> This is essentially a hl2 bug, because it should honor the size returned by
> ggo, rather than finding it's own or hardcoding it. Beyond that, I am not sure
> if Wine or freetype is to be blamed for rendering the font differently, but if
> it is freetype, then we have a problem. Freetype doesn't aim for bug-for-bug
> compatiblity with windows as far as I know.
>
But assuming I only ever intend to use wine for CS:S (probably not the case,
but just for arguments sake) would this bug be fixable via applying the same
hard-coded limit into the appropriate location in freetype.c ? - and where
would that be? :-)
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