spirv/nir: Add support for OpAtomicLoad/Store

Fixes new CTS tests :

dEQP-VK.spirv_assembly.instruction.compute.opatomic.load
dEQP-VK.spirv_assembly.instruction.compute.opatomic.store

v2: don't handle images like ssbo/ubo (Jason)

Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
1 file changed