[PATCH 2/5] ddraw: check if surface is a mipmap sublevel through caps in ddraw_surface7_GetPriority

[Stefan Dösinger]

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Am 2015-11-03 um 12:58 schrieb Stefan Dösinger:
> This will show different behavior on level 0 Y, Z and negative X
> cube map surfaces. (Positive X is the actual ddraw root surface).
> However, I vagely remember that native ddraw also misbehaved here,
> so the new behior is probably correct. I'll check with my
> SetColorKey tests and report back.
The behavior of your new code is correct, it matches that of windows.
You can set color keys (and presumably palettes, etc) on cube map
faces that aren't the root surface and aren't sublevels.

Feel free to use the attached test. It needs to be ported to ddraw4.c
and needs capability checks before creating a cube texture.

Cheers,
Stefan
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