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

bugzilla-daemon at libre-soc.org bugzilla-daemon at libre-soc.org
Mon Jul 5 19:32:54 BST 2021


--- Comment #70 from Jacob Lifshay <programmerjake at gmail.com> ---
(In reply to Jacob Lifshay from comment #69)
> (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

that applies to llvmpipe, not gallium3d as a whole.

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