Howto:Shader programming in FlightGear: Difference between revisions

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== Anatomy of a Fragment Shader ==
== Anatomy of a Fragment Shader ==
The function 'void main()' is called afresh for each fragment in the 3D object model:
The function 'void main()' is called afresh for each fragment/pixel in the 3D object model:


  // Fragment Shader
  // Fragment Shader
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