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gallium: add PIPE_CAP_MULTI_DRAW_INDIRECT_PARTIAL_STRIDE

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GL spec states that the stride for indirect multidraws:
* cannot be negative
* can be zero
* must be a multiple of 4

some drivers can't support strides which are not a multiple of the
size of the indirect struct being used, however, so rewrite those to
direct draws

Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/15963>
This commit is contained in:
Mike Blumenkrantz
2022-04-13 16:32:04 -04:00
committed by Marge Bot
parent ec12491620
commit 0f28da9cd4
6 changed files with 32 additions and 0 deletions
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docs/gallium/screen.rst
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@@ -248,6 +248,8 @@ The integer capabilities:
* ``PIPE_CAP_MULTI_DRAW_INDIRECT_PARAMS``: Whether the driver supports
taking the number of indirect draws from a separate parameter
buffer, see pipe_draw_indirect_info::indirect_draw_count.
* ``PIPE_CAP_MULTI_DRAW_INDIRECT_PARTIAL_STRIDE``: Whether the driver supports
indirect draws with an arbitrary stride.
* ``PIPE_CAP_FS_FINE_DERIVATIVE``: Whether the fragment shader supports
the FINE versions of DDX/DDY.
* ``PIPE_CAP_VENDOR_ID``: The vendor ID of the underlying hardware. If it's