[Bug 55427] New: ddraw:ddraw7 - test_lighting() sometimes fails on Windows

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=55427

            Bug ID: 55427
           Summary: ddraw:ddraw7 - test_lighting() sometimes fails on
                    Windows
           Product: Wine
           Version: unspecified
          Hardware: x86-64
                OS: Windows
            Status: NEW
          Severity: normal
          Priority: P2
         Component: d3d
          Assignee: wine-bugs(a)winehq.org
          Reporter: fgouget(a)codeweavers.com

ddraw:ddraw7 - test_lighting() sometimes fails on Windows:

ddraw7.c:4728: Test failed: Lit quad without normals has color 0x00ffff00,
expected 0x00000000.
ddraw7.c:4741: Test failed: Lit quad with normals has color 0x00ffff00,
expected 0x00000000.
ddraw7.c:4786: Test failed: Lit quad with light has color 0x00ffffff.
ddraw7.c:4786: Test failed: Lit quad with singular world matrix has color
0x00ffffff.
ddraw7.c:4786: Test failed: Lit quad with transformation matrix has color
0x00ffffff.
ddraw7.c:4786: Test failed: Lit quad with non-affine matrix has color
0x00ffff00.

See https://test.winehq.org/data/patterns.html#ddraw:ddraw7

The number of test failures changes from one run to the next, as well as the
unexpected color, although it's always a mix of ff and 00. This issue has been
there since at least 2023-01-20 and has happened regularly, about 1.5 times per
month, on Windows 8 to Windows 10 22H2.

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[Bug 55427] ddraw:ddraw7 - test_lighting() sometimes fails on Windows

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=55427

François Gouget <fgouget(a)codeweavers.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |source, testcase

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[Bug 55427] ddraw:ddraw7 - test_lighting() sometimes fails on Windows

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=55427

--- Comment #1 from François Gouget <fgouget(a)codeweavers.com> ---
Note that so far this has only happened in the 32-bit tests.

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