How GaussianSplatGroup gives Three.js a global back-to-front sort across multiple Gaussian splat clouds, using transform indirection, a WebGL2 CPU fallback, and grow-only buffers so camera and matrix updates stay cheap.
A small multiresolution feature grid plus a tiny MLP decoder that replaces a stack of correlated PBR textures with one compact, GPU-decoded representation. Named channels with their own activation functions, built on new fp16/half-precision support in TSL, and demonstrated on a MeshPhysicalNodeMaterial. The format is material-agnostic.
How Three.js now validates individual TSL shader expressions on WebGPU and WebGL2, with numeric diagnostics, deterministic input sampling, and support for vectors and matrices.
How to use Three.js's native Gaussian Splatting support (GaussianSplat, SPZLoader). Load .spz/.ksplat/.splat/glTF splats, pick a file format, and run a capture-to-render workflow with Polycam, Luma AI, Scaniverse, and SuperSplat.
How I added Gaussian Splatting to Three.js with WebGPU, TSL, a reusable GPU counting sort, SPZ v3/v4 and interoperability loaders, and SH1-SH3 view-dependent color.
The architecture behind Web3DSurvey, two Cloud Run services, a partitioned BigQuery store, and a transparent JSON cache that let me report real-world WebGL and WebGPU support for a few dollars a month.
Web 3D Survey v2 rebuilds the site on TanStack Start, adds homepage support summaries, WGSL and adapter reporting, browser capability stats, and a live /machine report.
