[Libre-soc-bugs] [Bug 251] Initial 3D MESA non-accelerated software-only driver is needed

[bugzilla-daemon at libre-soc.org]

https://bugs.libre-soc.org/show_bug.cgi?id=251

--- Comment #69 from Jacob Lifshay <programmerjake at gmail.com> ---
(In reply to Luke Kenneth Casson Leighton from comment #68)
> (In reply to vivekvpandya from comment #67)
> 
> > LP_NUM_THREADS=1 this env variable indicates that llvmpipe rasterization is
> > threaded.
> 
> jacob can you remember which bit of llvmpipe / gallium3d is incapable of
> using threads no matter what this definition is?  i recall vaguely from 3
> years ago it was something to do with the shader engine.  of course, this
> *may* have changed in the intervening time, in which case its use can be
> reevaluated.

iirc the part which isn't both multithreaded and vectorized is the vertex
shader

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