LogInThe release includes the specification and reference implementation for the Surface shading model.
Image credit: ASWF
Academy Software Foundation (ASWF) has released OpenPBR (Open Physically-Based Rendering), an open-source shading model, announced in August.
Created by Autodesk and Adobe, OpenPBR is the successor to Autodesk Standard Surface and Adobe Standard Material – material models designed to be used for PBR. It is based on MaterialX and provides "a description of how an artist will interface with the physical properties of the surface they’re creating."
The creators aimed to give artists a more specific interface and the ability to transfer data between assets with little conversion and provide "a neutral platform for companies to collaborate around open source software."
The initial release, version 0.2, includes the specification and reference implementation for the OpenPBR Surface shading model and is available on GitHub.
"This public launch is a pre-production release, with the goal to solicit real-world testing and feedback from the broader community. The OpenPBR team is working toward a v1.0 launch in 2024, which will build a reference implementation for OpenPBR integrated within MaterialX – meaning that anything that already supports MaterialX will automatically support OpenPBR, with no need for teams to build their own implementations."
ASWF is an organization created to advance open-source software development across image creation, visual effects, animation, and sound technologies. One of its hosted projects is OpenImageIO, a library for reading and writing images.
Last year, ASWF also announced the Open Review Initiative, which aims to build "a unified open source toolset for playback, review and approval of motion picture and related professional media."
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