Load the Dawn binding lazily so the Chrome engine runs without it

Jeremy Magland <jmagland@flatironinstitute.org> committed 1 month ago commit d94838ae1ef4 parent b640535 Browse files

1 changed file+3−2

src/cli/run.tsmodified+3−2View file

@@ -1,6 +1,5 @@

11 // Runs one simulation to completion in Node (Dawn WebGPU) and returns the pressure signal.

3-import { create, globals } from "webgpu";

43 import { defaultParams, type PhysParams } from "../params.ts";

54 import { Simulation } from "../sim/simulation.ts";

@@ -8,8 +7,10 @@ let devicePromise: Promise<GPUDevice> | null = null;

98 export function getDevice(): Promise<GPUDevice> {

109 if (!devicePromise) {

11- Object.assign(globalThis, globals);

1210 devicePromise = (async () => {

11+ // Loaded lazily: the prebuilt binding needs a recent glibc and is only used by --engine dawn.

12+ const { create, globals } = await import("webgpu");

13+ Object.assign(globalThis, globals);

1314 const gpu = create([]);

1415 const adapter = await gpu.requestAdapter();

1516 if (!adapter) throw new Error("No WebGPU adapter");