[Mesa-dev] [Bug 109816] glGenerateMipmap makes deepest level far from average texel value for NPOT textures

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=109816

--- Comment #2 from Ruslan Kabatsayev <b7.10110111 at gmail.com> ---
(In reply to Roland Scheidegger from comment #1)
> I have no idea though what kind of filter nvidia uses (and I would not be
> surprised if other non-mesa blob drivers also simply use bilinear filtering).

I think they use something like they describe in their paper "Non-Power-of-Two
Mipmapping":

http://download.nvidia.com/developer/Papers/2005/NP2_Mipmapping/NP2_Mipmap_Creation.pdf

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