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    Unreal Engine Dynamic Range

    Hello there,
    I've got a question that is probably more aimed at the Graphic Programmers at Epic, don't know if you Guys are reading this.
    I was wondering what the dynamic range of one image in Unreal has?
    I know the human eye has somethign around 20 stops, a DSLR camera something around 14 stops.
    Thanks in advance!
    Felix
    Environment Artist & Game Developer
    Artstation

    #2
    Pretty sure it's 30.

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      #3
      30 stops? That is actually quite a lot!
      Do you know how this number comes? Basically it should be dependent on the format of the rendering target, how big of a range you can display without visual banding, right?
      Environment Artist & Game Developer
      Artstation

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        #4
        It all depends on the precision that the scene color is written in, but I don't know what format Epic uses. 16-bit half floats do provide around 30 stops I think, but in the end it'll be displayed on an SDR monitor at ~7 stops or HDR displays around ~20 stops.
        Lighting Artist @ Rockstar Games
        ArtStation
        Twitter

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          #5
          That is already some valuable information!
          I had until now a pretty hard time to find some good sources of information that bring dynamic range (in stops) in relationship to the render target format.
          Environment Artist & Game Developer
          Artstation

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