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gallium: split PIPE_CAP_SAMPLER_REDUCTION_MINMAX into modes

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this enables detection for the EXT vs the ARB extension, which have
different specifications regarding which formats must be supported

Reviewed-by: Ilia Mirkin <imirkin@alum.mit.edu>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/10030>
This commit is contained in:
Mike Blumenkrantz
2021-04-05 12:13:04 -04:00
committed by Marge Bot
parent 59ad872458
commit b122beaff3
9 changed files with 28 additions and 10 deletions
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docs/gallium/screen.rst
+2 -1
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@@ -612,7 +612,8 @@ The integer capabilities:
* ``PIPE_CAP_PREFER_REAL_BUFFER_IN_CONSTBUF0``: The state tracker is encouraged to upload constants into a real buffer and bind it into constant buffer 0 instead of binding a user pointer. This may enable a faster codepath in a gallium frontend for drivers that really prefer a real buffer.
* ``PIPE_CAP_GL_CLAMP``: Driver natively supports GL_CLAMP. Required for non-NIR drivers with the GL frontend. NIR drivers with the cap unavailable will have GL_CLAMP lowered to txd/txl with a saturate on the coordinates.
* ``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 support min/max sampler reduction.
* ``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_capf: