void Initialize ( [FRHICommandListImmediate](API\Runtime\RHI\FRHICommandListImmediate) & RHICmdList, [FNiagaraGpuComputeDispatchInterface](API\Plugins\Niagara\FNiagaraGpuComputeDispatchInterf-) * InComputeInterface, int32 InDefaultElements, bool bRWGpuArray )