[Bug 38327] Uninitialized matrix

[wine-bugs at winehq.org]

https://bugs.winehq.org/show_bug.cgi?id=38327

Matteo Bruni <matteo.mystral at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 OS|Linux                       |Mac OS X

--- Comment #3 from Matteo Bruni <matteo.mystral at gmail.com> ---
(In reply to Sergey Isakov from comment #2)
> (In reply to Matteo Bruni from comment #1)
> > Those values are not really used so it doesn't matter in practice. I don't
> > get those warnings, what compiler / version are you using?
> 
> Apple's gcc-4.2.1 with -Os optimization. Without optimization there are no
> such warning. (?)

What does happen with the default -O2?

> Anyway those values are influences on inverted matrix. If you want I can
> write invert_matrix_4x4.

They are ignored on purpose, I'm following the GL behavior. I just thought
about one testcase which should confirm that D3D does the same, I'm going to
test that and send a fix if I'm wrong.

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