InitializeVertexBuffersGPU ( FRHICommandListImmediate& RHICmdLi..., FNiagaraGpuComputeDispatchInterface..., const FNiagaraRibbonGPUInitParamete..., FNiagaraRibbonGPUInitComputeBuffers..., const TSharedPtr< FNiagaraRibbonRen... )