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Standard (Specular Setup) shader has unusual shine even when using a black specular

Discussion in 'General Graphics' started by Arkensis, Mar 24, 2015.

  1. Arkensis


    Jan 27, 2013
    In Unity 5.0.0f4, in Linear space, objects using the Standard (Specular setup) shader seem to have a fairly strong white shine even if they use a fully black Specular with no smoothness. This does not seem to happen in Gamma space.

    This is an image of a simple scene containing a simple black cube with fully black specular. A directional light is positioned at an angle where the problematic shine can be seen on the cube. It seems to me that a cube with fully black albedo, specular and no smoothness should be fully black.

  2. Charkes


    Apr 17, 2013
    What you see is it what it should happend in a PBR engine as Unity 5 is, fresnel is responsible of this.

    Have a look to this : it should give you a good understanding of what physical based rendering is.