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gallium: add PIPE_COMPUTE_CAP_SUBGROUP_SIZE

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We need this to implement OpenCL's
CL_KERNEL_PREFERRED_WORK_GROUP_SIZE_MULTIPLE.

Reviewed-by: Francisco Jerez <currojerez@riseup.net>
This commit is contained in:
Grigori Goronzy
2015-05-28 12:40:29 +02:00
parent c0ca6c30ea
commit 249a9df7fc
6 changed files with 42 additions and 1 deletions
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src/gallium/docs/source/screen.rst
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@@ -384,6 +384,8 @@ pipe_screen::get_compute_param.
Value type: ``uint32_t``
* ``PIPE_COMPUTE_CAP_IMAGES_SUPPORTED``: Whether images are supported
non-zero means yes, zero means no. Value type: ``uint32_t``
* ``PIPE_COMPUTE_CAP_SUBGROUP_SIZE``: The size of a basic execution unit in
threads. Also known as wavefront size, warp size or SIMD width.
.. _pipe_bind: