OpenCL 3.0 core requires __opencl_c_subgroups to be set, the OpenCL cl_khr_subgroups extenions can only be enabled if and only if the driver guarentees independent forward progress between subgroups. See CL_DEVICE_SUB_GROUP_INDEPENDENT_FORWARD_PROGRESS for more information. Signed-off-by: Karol Herbst <git@karolherbst.de> Reviewed-by: Nora Allen <blackcatgames@protonmail.com> Reviewed-by: Alyssa Rosenzweig <alyssa@rosenzweig.io> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/22893>