Function recreateCoordinator

examples/million-points/main.ts:391–411

()

  };

  const recreateCoordinator = (): void => {
    if (!gpuContext) return;
    const prevZoom = coordinator?.getZoomRange() ?? null;

    coordinator?.dispose();
    coordinator = createRenderCoordinator(gpuContext, resolvedOptions, {
      onRequestRender: requestRender,
    });
    coordinatorTargetFormat = gpuContext.preferredFormat;

    // Best-effort preserve zoom window.
    if (prevZoom) coordinator.setZoomRange(prevZoom.start, prevZoom.end);

    unsubscribeZoom?.();
    unsubscribeZoom = coordinator.onZoomRangeChange((r) => {
      zoomRange = { start: r.start, end: r.end };
    });
    zoomRange = coordinator.getZoomRange();

    syncSliderUi();
  };

  // Coalesced resize observer (keeps canvas backing size in sync without DOM thrash).
  const ro = (() => {