Instantiates a parsed GltfAsset into live scene content (§78).
Fresh nodes and materials per call over shared geometry, textures, and
clips — the module header states the sharing rule and the node shapes.
Ignored material texture slots (recorded by the parse tier) are §85-warned
here, once per material, because instantiation is where a picture becomes
wrong if nobody says so.
FourError INVALID_APPLICATION_STATE for a disposed asset;
UNSUPPORTED_GPU_FEATURE from the landed Mesh.skeleton refusal when a
skin exceeds the §62 joint ceiling.
Instantiates a parsed GltfAsset into live scene content (§78).
Fresh nodes and materials per call over shared geometry, textures, and clips — the module header states the sharing rule and the node shapes. Ignored material texture slots (recorded by the parse tier) are §85-warned here, once per material, because instantiation is where a picture becomes wrong if nobody says so.