FNiagaraSystemRenderData ( const [FNiagaraSystemInstanceController](API\Plugins\Niagara\FNiagaraSystemInstanceController) & SystemInstanceController, const [FNiagaraSystemInstance](API\Plugins\Niagara\FNiagaraSystemInstance) & SystemInstance, [ERHIFeatureLevel::Type](API\Runtime\RHI\ERHIFeatureLevel__Type) FeatureLevel )