[Mesa-dev] [PATCH 00/14] radeonsi: Offchip tessellation

Bas Nieuwenhuizen bas at basnieuwenhuizen.nl
Tue May 10 12:13:13 UTC 2016

On Tue, May 10, 2016 at 1:49 PM, Ernst Sjöstrand <ernstp at gmail.com> wrote:
> Hi,
> nice! The windows driver has an option to limit tessellation factor to x16
> etc, would it be possible to implement something similar in radeonsi? Of
> course that's kindof to opposite to actually making x32 and x64 faster like
> you're doing here. :-)

That should be possible by changing the
R_028A18_VGT_HOS_MAX_TESS_LEVEL in si_state.c to a lower value than
64. Of course for it to be an option someone still has to connect it
to drirc or an environment variable.

- Bas

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