-- v9: vkd3d-shader/spirv: Handle the sequentially consistent ordering flag for atomic instructions. vkd3d-shader/spirv: Emit a warning if the atomic instruction volatile flag is unhandled. vkd3d-shader/dxil: Implement the DXIL ATOMICRMW instruction. vkd3d-shader/dxil: Implement DX instructions ThreadId, GroupId, ThreadIdInGroup and FlattenedThreadIdInGroup.