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title: "V-Ray OSL Material"
canonical: "https://documentation.chaos.com/space/VRAYHOUDINI/113280167/V-Ray%20OSL%20Material"
format: markdown
---
This page provides details on the settings available for the OSL Material in V-Ray. Overview The VRayMtlOSL material can be used to load  OSL  shader code files (.osl) or  OSL  object code files (.oso) and render them directly with V-Ray. Parameters OSL Source  – Specifies whether the OSL shader code is inserted inline or loaded through a file. Inline OSL  – The OSL shader code is inserted inline. File path (.oso/.osl)  – The OSL shader code is loaded through a file. Path to .oso/.osl file  – Specifies the path to the OSL shader code file. References OSL home page at SPI  - Open Shading Language home page at Sony Pictures Imageworks OSL Google Code page  - Google Code project page for Open Shading Language OSL GitHub page  - GitHub project page for Open Shading Language