[PATCH 2/8] wined3d: Avoid potential division by 0 when computing fog scale.

[Stefan Dösinger]

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Am 2015-06-17 um 15:35 schrieb Matteo Bruni:
> I don't know of any specific application requiring this right now. 
> I guess I can defer resending the patch in any form until (and if) 
> we get any indication that this is a problem.
The game in question is called Risk of Rain. The bug applies to any
game made with Game Maker from YoYo Games. Unfortunately that problem
was never reported to us, it was reported to Nvidia and I got the
information from them.

Note that there's a demo of the game that is not affected by the
problem. It seems an update to the game later introduced the issue.
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