FPSOPrecacheVertexFactoryDataPerMaterialIndexList GetVertexFactoryTypesPerMaterialIndex ( [USkinnedMeshComponent](API\Runtime\Engine\Components\USkinnedMeshComponent) * SkinnedMeshComponent, int32 MinLODIndex, bool bCPUSkin, [ERHIFeatureLevel::Type](API\Runtime\RHI\ERHIFeatureLevel__Type) FeatureLevel )