[Libre-soc-bugs] [Bug 546] data moving / merging Function Unit (FSM)

[bugzilla-daemon at libre-soc.org]

https://bugs.libre-soc.org/show_bug.cgi?id=546

--- Comment #7 from Luke Kenneth Casson Leighton <lkcl at lkcl.net> ---
(In reply to Jacob Lifshay from comment #6)

> That's the least of your problems, since each texture access can access 4 or
> 8 (or even more -- think 128 for anisotropic filtering) texels and linearly
> interpolate between them. We will probably want a dedicated texture decode
> pipeline, since texture access is the most critical part for GPU speed since
> multiple of those full texture accesses can occur per drawn pixel.

ok let's discuss that under a separate bugreport... there's a texture one
around somewhere... bug #91 and keep an eye on this one from here.

> Luckily texture interpolation only happens for fp16/fp32 results, so integer
> results are just 1 texel access.

wheww

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