[Mesa-dev] [Bug 105494] UT2004 cube map reflection problem

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=105494

            Bug ID: 105494
           Summary: UT2004 cube map reflection problem
           Product: Mesa
           Version: git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Mesa core
          Assignee: mesa-dev at lists.freedesktop.org
          Reporter: aaalmosss at gmail.com
        QA Contact: mesa-dev at lists.freedesktop.org

In the map dm-antalus there is a small pond and the surrounding area is
reflected on its surface (this map is included in the demo version btw). Part
of this reflection is missing, depending on the viewing angle (see the
screenshots). It looks like a clipping issue. Other cube map reflections in the
game are also affected, but this is where it's the most prominent.

As far as I can remember this bug wasn't present a few years ago when I last
played this game (mesa was around version 7-8 back then), so I assumed this was
a regression. However, the earliest version of mesa that I could compile with
the oldest llvm in my distribution is 11.0, and that one already has this bug.
I'll try to get an earlier llvm for mesa 10 and 9.

Drivers tested: radeonsi, llvmpipe.

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