CalculateIndexBufferConfiguration ( const TSharedPtr< FNiagaraRibbonCPU..., const FNiagaraDataBuffer* Sour..., const FNiagaraSceneProxy* Scen..., const FSceneView* View, const FVector& ViewOriginForDistan..., bool bShouldUseGPUInitIndices, bool bIsGPUSim )