[Bug 56890] New: Missing fog and inaccurate vertex shader in Need For Speed III , High Stakes and Porsche Unleashed

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=56890

Bug ID: 56890
           Summary: Missing fog and inaccurate vertex shader in Need For
                    Speed III , High Stakes and Porsche Unleashed
           Product: Wine
           Version: 9.11
          Hardware: x86-64
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: d3d
          Assignee: [e-mail]
          Reporter: [e-mail]
      Distribution: ---

The fog effect doesn't seem to work and the background gets "lit up" as a
side-effect, it's specially notable on night tracks.

These games also rely on the accuracy of the vertex shader (Floating Point) to
properly reproduce the intended effect of the projected headlights as seem
here: 
https://github.com/narzoul/DDrawCompat/issues/327

I wonder if its possible to implement something similar as the Z-Fighting you
get without a more accurate implementation makes it very jarring to look at