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NVIDIA has updated its Zorah tech demo with new scenes "that push the boundaries of RTX real-time path tracing," letting viewers enjoy the beauty of neural rendering.
Adobe's Substance 3D tools helped shape the demo released for the new Blackwell-powered GeForce RTX 50 Series GPUs.
NVIDIA’s Lightspeed Studios created procedural materials in Substance 3D Designer and highly detailed textures in Substance 3D Painter for its "most ambitious tech demo yet."
NVIDIA
"Our goal with the RTX Neural Materials demo was to demonstrate how AI-accelerated rendering can enhance PBR textures and BSDF materials. We were able to render complex real-world visual phenomena that would typically be challenging to achieve traditionally in real-time."
NVIDIA
For texturing, Lightspeed used a mask-driven workflow, using a combination of triplanar projections and high-poly mesh maps baked in Substance 3D Painter for most masks.
"Substance 3D Painter played an important role to achieve highly detailed textures on our assets. The ability to handle complex geometries, detailing asset texturing, and UDIM support was key in bringing our models to the level of detail we needed."
Here is a brief breakdown of one of the
- First modeled and sculpted entirely in Blender.
- A set of tile materials have been created using Substance 3D Designer (Stone, Gold) with multiple variations of details and exported to the Painter shelf.
- Texturing was done in Painter using a composition of multiple layers from base stone adding accents of gold and different layers of dirt and weathering to make the asset look like a real-life scan.
- Finally, the UVs were done using 6 x 4k UDIMs textures and exported to UE.
NVIDIA
The team said that Substance 3D Painter's Auto UV helped streamline its workflow for certain complex pieces, and it used its new RTX Mega Geometry technology, RTX Global Illumination, NVIDIA RTX Path Tracing, and Unreal Engine 5.
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