[Bug 52679] Anno 1602 / 1602 A.D. graphics too dark / black

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=52679

--- Comment #7 from Zhiyi Zhang  ---
(In reply to Marc P from comment #6)
> Created attachment 72044 [details]
> NUMCOLORS_ignore_bpp.patch
>
> I did some more tests and it seems the main culprit is the NUMCOLORS
> capability.
> It returns 256 for 8 bpp, but -1 in all other cases. If it returns -1
> unconditionally, the game works.

Makes sense. 8-bit color depth is actually emulated. Could add some tests and
submit the patch?