Decal Derivative node in material, where is it?

Development Rendering
2

I’ve had the same problem, not finding that ‘DecalDerivative’.

HOWTO:

  1. Press ‘Space’ in the material and search for the ‘DecalDerivative’
  2. Select the ‘TextureSample’ node
  3. In it’s properties under the ‘Material Expression Texure Sample’ (right next to the place where you can set the texture) set the ‘MipValueMode’ from ‘None’ to ‘Derivative’
  4. The DDX/DDY properties will appear, and connect your ‘DecalDerivative’ node outputs there

I hope that somebody will find this useful.

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