This is a GPU fuse/tool to allow you to easily and quickly add lighting/colour to Height Maps in Davinci Resolve Fusion or Fusion.
Download the file: here
In Windows it’s easiest to right click, save as and download and save the file to:
C:\ProgramData\Blackmagic Design\DaVinci Resolve\Fusion\Fuses
On a Mac you should find the Fuses folder under:
Library\Application Support\Blackmagic Design\DaVinci Resolve\Fusion\Fuses
After downloading the file and saving it in the folder, you will need to restart Davinci Resolve if you already have it open. Otherwise it won’t show.