Open Shading Language

Open Shading Language (OSL) is a shading language developed by Sony Pictures Imageworks for use in its Arnold Renderer. It is also supported by Illumination Research's 3Delight renderer,[1] Otoy's Octane Render,[2] V-Ray 3,[3] and by the Cycles render engine in Blender (starting with Blender 2.65).[4] OSL's surface and volume shaders define how surfaces or volumes scatter light in a way that allows for importance sampling; thus, it is well suited for physically-based renderers that support ray tracing and global illumination.


Many movies made in 2012 or later have used OSL,[5] including

See alsoEdit


  1. ^ "OSLin 3Delight". Retrieved 2020-01-26.
  2. ^ "Octane Render OSL Support". Retrieved 2019-12-27.
  3. ^ "V-Ray OSL Support". Retrieved 2016-09-13.
  4. ^ "Blender 2.65: Cycles". Retrieved 2020-02-09.
  5. ^ "Where OSL has been used". Retrieved 2020-02-29.

External linksEdit

Official website