← All resources

Ray tracing massive amounts of animated geometry using tetrahedral cages

Auto-discovered

Blog Advanced

Holger Gruen

Visit resource ↗

Description

Ray tracing massive amounts of animated geometry using tetrahedral cages is an AMD GPUOpen article by Holger Gruen summarizing HPG 2026 award-winning research on animating dense meshes for hardware ray tracing. The method drives a low-resolution tetrahedral cage while reusing static mini bottom-level acceleration structures built from rest poses.

Gruen explains how cage deformation updates instance transforms cheaply, why the approach suits vegetation and crowds, and how a demo scales to hundreds of millions of animated triangles at interactive frame rates. GPUOpen connects the research to Radeon ray tracing tooling and engine integration concerns.

Readers need advanced familiarity with DXR or Vulkan ray tracing, BLAS/TLAS updates, and skinning or deformation pipelines. The article assumes you are evaluating alternatives to rebuilding full meshes every frame.

The page is free on GPUOpen with figures and paper citations. It complements the academic publication with implementation-oriented commentary for AMD GPU customers.

Gruen's AMD ray tracing research posts follow HPG and SIGGRAPH wins closely; practitioners tracking massive instance counts in open worlds reference this GPUOpen summary alongside the original paper.