ReadonlygpuGPU milliseconds of the batch's compute pass (timestamps), or null without timestamp-query.
ReadonlymeshesThe batch's meshes, as indices into the call's geometries.
ReadonlywallCPU wall milliseconds from the batch's submit to its trees on the GPU (before the layouts' readback).
One GPU batch of a MeshLayoutBuilder.buildLayouts call, for MeshLayoutBuildOptions.onGpuBatch.