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Open Shading Language

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Not to be confused with OpenGL Shading Language.
Open Shading Language (OSL)
Developer(s)Academy Software Foundation
Stable release
1.11.14.2 / 2 July 2021; 3 years ago (2021-07-02) [1]
Repository
TypeShading language
LicenseBSD license 3-clause
Websitegithub/OpenShadingLanguage

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,[2] Otoy's Octane Render,[3] V-Ray 3,[4] and by the Cycles render engine in Blender (starting with Blender 2.65).[5] 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.

In Renderman OSL is also an important module. It is modified there for better Intel AVX2 and AVX-512 advanced vector extension support with doubled performance. SIMD OSL is the product of this Development for Intel SIMD AVX2 and AVX-512 Hardware (Haswell and newer). AMD CPU Hardware with AVX2 support like Ryzen with Zen Architecture can also use this extension. [6][7]

Future release 1.12 will support C++14 as default. OpenImageIO support will be dropped for 2.0 with support of 2.1-2.3. SIMD Batch shader Mode and OptiX support are in development and experimental. CUDA 11 and OptiX 7.1 are here supported levels.[8]

Movies

Many movies made in 2012 or later have used OSL,[9] including:

See also

References

  1. ^ "OpenShadingLanguage Releases".
  2. ^ "OSLin 3Delight". www.3delight.com. Retrieved 2020-01-26.
  3. ^ "Octane Render OSL Support". home.otoy.com. Retrieved 2019-12-27.
  4. ^ "V-Ray OSL Support". docs.chaosgroup.com. Retrieved 2016-09-13.
  5. ^ "Blender 2.65: Cycles". Retrieved 2020-02-09.
  6. ^ https://de.slideshare.net/IntelSoftware/renderman-the-role-of-open-shading-language-osl-with-intel-advanced-vector-extensions
  7. ^ https://techdecoded.intel.io/resources/turbo-charged-open-shading-language-on-intel-xeon-processors-with-intel-advanced-vector-extensions-512/#gs.18ur7n
  8. ^ https://github.com/AcademySoftwareFoundation/OpenShadingLanguage/blob/master/CHANGES.md
  9. ^ "Where OSL has been used". Retrieved 2020-02-29.

Official website


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