Re: [Mesa3d-dev] Gallium half float conversion/support

[michal <mi...@vm...>]

W dniu 2010-04-01 06:05, Luca Barbieri pisze:
> [sent to ML too]
>
> Michal,
> I noticed you made some commits related to half float support in Gallium.
>
> I had already done this work and implemented a fast conversion
> algorithm capable of handling all cases based on a paper cited in the
> commit, but hadn't gotten around to proposing it yet.
>
> I created a "gallium-fast-half-float" branch and put my work there, so
> it may be useful to you.
> Feel free to merge, rebase and/or adapt it against Mesa master.
>
>    
I cherry picked the relevant code from the branch and adapted it for 
gallium. Big thanks!


> The conversion function itself has been tested separately from
> Gallium, but I haven't tested softpipe on fp16 data.
>
> Ideally we should find a way to have Mesa use this improved converter
> instead of the one it currently uses, but I'm not sure how to arrange
> this with the current buildsystem.
>