flowchart TD
    A["tess_prefix<br/>index count of the draw"] --> B["tess_so_plan, one thread<br/>fits whole primitives,<br/>advances filled sizes"]
    A --> C["tess_emit<br/>domain points and indices"]
    B --> D["barrier object → vertex"]
    C --> D
    D --> E["stream-output draw: domain shader<br/>vertex id = record number,<br/>domain vertex read from the<br/>tessellator's index buffer"]
    E --> F{"pipeline<br/>rasterizes?"}
    F -- yes --> G["domain draw<br/>indexed, indirect"]
    F -- no --> H["done"]