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gallium: add PIPE_CAP_CULL_DISTANCE_NOCOMBINE

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for drivers where separate cull distance variables are required, this
lets them avoid having to write yet another pass to undo gallium's mangling
of shader info

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/14878>
This commit is contained in:
Mike Blumenkrantz
2022-02-04 11:15:08 -05:00
committed by Marge Bot
parent 93a90fc85d
commit 7e9481eaac
4 changed files with 7 additions and 1 deletions
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docs/gallium/screen.rst
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@@ -374,6 +374,9 @@ The integer capabilities:
and accesses to unbound resources.
* ``PIPE_CAP_CULL_DISTANCE``: Whether the driver supports the arb_cull_distance
extension and thus implements proper support for culling planes.
* ``PIPE_CAP_CULL_DISTANCE_NOCOMBINE``: Whether the driver wants to skip
running the `nir_lower_clip_cull_distance_arrays` pass in order to get
VARYING_SLOT_CULL_DIST0 slot variables.
* ``PIPE_CAP_PRIMITIVE_RESTART_FOR_PATCHES``: Whether primitive restart is
supported for patch primitives.
* ``PIPE_CAP_TGSI_VOTE``: Whether the ``VOTE_*`` ops can be used in shaders.