Opaque/mask draws sharing a pipeline and bind set become rows of one
persistent `draws.<id>` indirect array (32-byte indexed commands,
geometric capacity, inactive tail zeroed) drawn by a single graph pass,
so the graph holds one pass per bucket instead of one per mesh.
Transmission and blend draws stay direct and ordered after the buckets.
Scene requires the indirect-first-instance feature. Compiles re-assert
the bundle block when they start, since an earlier switch in the queue
clears the one set at enqueue time.
Amp-Thread-ID: https://ampcode.com/threads/T-01a0b2dd-db32-712d-99ce-12ce4a86d979
Co-authored-by: Heaust Azure <heaust.azure@gmail.com>
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