flowchart LR
    X["ExecuteIndirect<br/>fan or adjacency"] --> E["expand_indirect<br/>one record per command<br/>(args, IBV, VBVs)"]
    E --> P["predication<br/>zeroes args"]
    P --> PL["assembly_plan<br/>1 thread: mode, count,<br/>offset per command"]
    PL --> A["assemble_indices<br/>1 threadgroup<br/>per command"]
    A --> S[("16 MiB scratch<br/>32-bit list indices")]
    S --> ED["encode_draws<br/>indexed list draw<br/>per command"]
    ED --> R["executeCommandsInBuffer"]