[FNiagaraIndexGenerationInput](API\Plugins\Niagara\FNiagaraIndexGenerationInput) CalculateIndexBufferConfiguration ( const [TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< [FNiagaraRibbonCPUGeneratedVertexData](API\Plugins\Niagara\FNiagaraRibbonCPUGeneratedVertex-) > & GeneratedVertices, const [FNiagaraDataBuffer](API\Plugins\Niagara\FNiagaraDataBuffer) * SourceParticleData, const [FNiagaraSceneProxy](API\Plugins\Niagara\FNiagaraSceneProxy) * SceneProxy, const [FSceneView](API\Runtime\Engine\FSceneView) * View, const FVector & ViewOriginForDistanceCulling, bool bShouldUseGPUInitIndices, bool bIsGPUSim ) const