virtual void RenderSpectatorModeDistorted ( [FRHICommandListImmediate](API\Runtime\RHI\FRHICommandListImmediate) & RHICmdList, FTexture2DRHIRef TargetTexture, FTexture2DRHIRef EyeTexture, FTexture2DRHIRef OtherTexture, FVector2D WindowSize )