Physically based shading

For an easier integration of irreplaceable Windows tools, I imitated several shading techniques from common HLSL shaders. Otherwise the post processing of scene-graphs would be to time-consuming.
The OpenEXR file format is now also supported:

The list of re/implemented techniques are:

  • Lambert
  • Cook Torrance
  • Oren Nayar
  • Ward

An article by Legarde was particularly helpful.

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