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meson: make ffs available in OpenCL code

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for u_foreach_bit.

the ffsll version isn't available since long long is 128-bit for CL.

Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/34909>
This commit is contained in:
Alyssa Rosenzweig 2025-04-28 12:05:53 -04:00
parent 063d35b829
commit d2ac44dfde
1 changed files with 4 additions and 1 deletions
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5
meson.build
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@ -53,7 +53,10 @@ cl_args = [
# Set the OpenCL standard to CL 2.0, enabling everything at a frontend.
# Drivers may not actually support everything but that's ok.
'-cl-std=cl2.0',
'-D__OPENCL_VERSION__=200'
'-D__OPENCL_VERSION__=200',
# Declare supported clang builtins since we don't autodetect for OpenCL
'-DHAVE___BUILTIN_FFS',
]
if with_mesa_ndebug