The long-awaited heterogeneous rendering system RenderMan XPU has also been implemented in this version of the software. The release also adds “basic support” for the new ACEScg colour space from the standard ACES colour coding system. This feature results in a more even distribution of noise when rendering with a small number of samples, generating a preview image faster. Support for blue noise sampling for interactive visualisations has also been added. TD features customisable Live Statistics, displaying memory usage, raytracing and other key metrics in real-time directly during rendering. Performance was accelerated on both Intel and AMD processors through AVX-512 SIMD extensions. It is reported that the existing library of procedurally generated RenderMan material templates has been rewritten to fully support OSL (Open Shader Lahguage). In addition to the above, the PresetBrowser has been updated to save Lama materials and display filters, making it possible to share them between RenderMan compatible DCC applications. Users can write their own nodes, but Pixar claim that even out of the box Lama can replicate most of the existing “monolithic” BxDF files included in the software. Other key features include LamaHairChiang, a layered version of Pixar’s Chiang hair shader used in production at Pixar and dispersion support. Pixar describe it as a “much more robust layering system” than the existing PxrLayerSurface material, avoiding the need for a single material with “multiple parameters”. RenderMan 24 also includes Lama, a new layering system developed at ILM and the “official part” of the MaterialX standard, also developed by ILM. However, the toolkit will only be available to users of the commercial version of Pixar software. Pixar themselves describe it as ‘super customisable’, noting that work ‘normally done in composition’ to stylise an image can now be done directly during rendering. The system supports effects ranging from regular drawing to strokes or brush strokes, with strokes responding to emulated lighting effects, and also supports customisable AOVs and display filters. The previously announced Stylized Looks feature is now available, a new set of tools for creating non-photorealistic renders. The plug-in will support both viewport rendering and final quality rendering. The official RenderMan for Blender also fully supports the current RIS RenderMan architecture as well as RenderMan XPU, the new flexible CPU/GPU rendering system.īlender artists will be able to use all the new features of version 24, including stylized images, ILM’s Lama layering system and the new OSL template nodes. It will support the latest version of Blender, Pixar claim support for 2.9 releases. ![]() ![]() RenderMan 24 puts the open source software on par with other DCC tools with official integration plugins developed by Pixar: Maya, Houdini, Katana and Mari. ![]() It is still available on GitHub, but has not been updated for some time and does not support new features of RenderMan or Blender itself. In the past, Blender integrated RenderMan – PRMan is a semi-official add-on developed by the Pixar engineering team and released together with RenderMan 20. Pixar have unveiled the long-awaited RenderMan 24 with RenderMan XPU, a combined CPU and GPU rendering system.
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