[Bug 28945] Armored Fist 3 shows only black screen after starting

wine-bugs at winehq.org wine-bugs at winehq.org
Tue Nov 1 06:24:47 CDT 2011


GyB <gyebro69 at gmail.com> changed:

           What    |Removed                     |Added
           Keywords|                            |patch
             Status|NEW                         |RESOLVED
         Resolution|                            |INVALID

--- Comment #5 from GyB <gyebro69 at gmail.com> 2011-11-01 06:24:47 CDT ---
(In reply to comment #4)
> Created attachment 37236 [details]
> patch
> This is probably invalid. What seems to happen is that the application pushes
> crap (including -nan) onto the FPU stack, which then results in FPU stack
> overflows in the implicit matrix multiplication in glOrtho(). The end result is
> a projection matrix with -nan's in it. When compiled with -O2, the matrix
> multiplication in (gdi32) CombineTransform() ends up clearing enough of the FPU
> stack for glOrtho() to work. This does result in transformation matrices with
> -nan in them, but apparently this has no negative effects. The attached patch
> avoids the matrix multiplication in set_blit_dimension(), but doesn't change
> the fact that the application is essentially broken.

Resolving as INVALID (application bug), as there is no need to investigate
further such an ambiguous case.

Thank you for taking time to investigate this and keep up the good work!

btw. the patch worked here as well.

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