Snapshot adapter: build a GSplatTSLNodes set from a flat
IUniform record. Used by callers that don't own persistent nodes
(the GSPLAT_SOURCE.webgpubuildMaterial entry point and the TSL
parity harness). See buildLineTSLNodesFromUniforms for the
rationale + lifecycle contract.
Snapshot adapter: build a
GSplatTSLNodesset from a flatIUniformrecord. Used by callers that don't own persistent nodes (theGSPLAT_SOURCE.webgpubuildMaterialentry point and the TSL parity harness). SeebuildLineTSLNodesFromUniformsfor the rationale + lifecycle contract.