Re: [Mesa3d-dev] Mesa (gallium-sampler-view): st/mesa: Associate a sampler view with an st texture object.

[Keith W. <ke...@vm...>]

On Fri, 2010-03-12 at 06:54 -0800, Luca Barbieri wrote:
> What if you have a non-integer min LOD?
> While the integer part may belong to the sampler view, the fractional
> part really seems to be a sampler property.
> Requiring min_lod < 1.0 also doesn't seem to make much sense, so
> shouldn't it be kept as it is now?
> Same thing for last_level / max_lod.

Hmm, I see your point.  Fractional values don't have a lot of meaning in
the views, but without a fraction from somewhere we don't capture all of
GL semantics.

I guess this is the underlying reason GL has such a wide variety of ways
of specifying the min/max level also.

And finally, it seems like DX10 has done the same thing - with both
integer min/max in views and float min/max in the sampler state.

It looks like we really do want to keep them both.

Keith