Add a OpAtomicIIncrement function to arch
#839
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I thought I'd just upstream this function from my shader code. While implementing all the atomic instructions with a nice api would of course be nice, this is all you need for doing simple bump allocations into a storage buffer e.g. for frustum or light culling.
I've been using it with the
Devicescope in my code but that's not allowed in the compiletests without a new capability so the test just usesWorkgroupfor now:error: error:0:0 - Use of device scope with VulkanKHR memory model requires the VulkanMemoryModelDeviceScopeKHR capability