PhyShader for Mantra v1.2.0

Usability release.

• BSDF has changed to GTR
• New artist-friendly SSS
• Added layer support
• Added metallic desaturation
• Improved dispersion
• Materials:
  • Added PhySurface Layered material
  • Added PhySurface Nested material
  • Improved PhySurface material
  • Viewport support
• UI:
  • New Inside IOR presets menu
  • Changed dispersion presets menu
• Numerous bugfixes

PhyShader for Mantra v1.1.0

H15 compatibility release:

• various bugfixes
• improved PhySurface material
• minor UI change of PhySurface: separated IOR
  • inside IOR is now vector2 (n, k)
  • outside IOR is now standalone float parameter
• PhyVolume is now a full part of PhyShader:
  • per-light exports support (in "volume_direct" variable)
  • fixed anisotropic volume BSDF sampling
  • added scattering color coefficient
  • added absorption color coefficient
• physhader.otl is renamed to physhader.hda to comply with new naming conventions

Don't forget to remove old *.otl file to avoid possible conflicts of operator types

PhyShader for Mantra

• Added BSDF sampling mode for RayTrace/Micropoly
• Implemented variance antialiasing for RayTrace/Micropoly
• Dispersion now is not limited to only smooth surface, it affects all transmission components.
• Introduced volume model
• Improved volume absorption and single scattering at glossy surfaces
• Fixed thick sheet shading
• Fixed complex Fresnel