[Bug 91993] Graphical glitch in Astromenace (open-source game).

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=91993

--- Comment #20 from Roland Scheidegger <sroland at vmware.com> ---
(In reply to Nicolai Hähnle from comment #16)
> (Old versions of) AstroMenace use glTexStorage2D to create a texture with an
> incomplete mipmap pyramid (the 1x1 level is missing). This pyramid is not
> honored by the state tracker's implementation of glGenerateMipmap, which
> results in various broken textures.

Hmm I totally missed this when I fixed pretty much the same bug in mesa core
mipgen code. I guess it's a real pity there's no piglit test for this...

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