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gallium: add a pipe cap to rewrite index buffers for draws using a non-fixed restart index

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for drivers that set it, this now automatically handles restart index rewriting
by running draws through primconvert when necessary

Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Reviewed-by: Rob Clark <robdclark@chromium.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/10973>
This commit is contained in:
Mike Blumenkrantz
2021-05-21 07:00:52 -04:00
committed by Marge Bot
parent 99a60ed378
commit c9a65e5f77
8 changed files with 39 additions and 2 deletions
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docs/gallium/screen.rst
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@@ -615,6 +615,7 @@ The integer capabilities:
* ``PIPE_CAP_TEXRECT``: Driver supports rectangle textures. Required for OpenGL on `!prefers_nir` drivers. If this cap is not present, st/mesa will lower the NIR to use normal 2D texture sampling by using either `txs` or `nir_intrinsic_load_texture_scaling` to normalize the texture coordinates.
* ``PIPE_CAP_SAMPLER_REDUCTION_MINMAX``: Driver supports EXT min/max sampler reduction.
* ``PIPE_CAP_SAMPLER_REDUCTION_MINMAX_ARB``: Driver supports ARB min/max sampler reduction with format queries.
* ``PIPE_CAP_EMULATE_NONFIXED_PRIMITIVE_RESTART``: Driver requests all draws using a non-fixed restart index to be rewritten to use a fixed restart index.
.. _pipe_capf: