From: Chris Duncan <chris@zoso.dev>
Date: Mon, 6 Jan 2025 17:37:04 +0000 (-0800)
Subject: Wait a maximum of 8 seconds to load GPU.
X-Git-Url: https://zoso.dev/?a=commitdiff_plain;h=dc5da297835aabb2f57a3f357d25485ede02cf75;p=libnemo.git

Wait a maximum of 8 seconds to load GPU.
---

diff --git a/src/lib/workers/powgpu.ts b/src/lib/workers/powgpu.ts
index 30401fc..8a781ec 100644
--- a/src/lib/workers/powgpu.ts
+++ b/src/lib/workers/powgpu.ts
@@ -479,8 +479,11 @@ export class PowGpu extends WorkerInterface {
 		if (!/^[A-Fa-f0-9]{64}$/.test(hashHex)) throw new Error(`Invalid hash ${hashHex}`)
 		if (typeof threshold !== 'number') throw new TypeError(`Invalid threshold ${threshold}`)
 
-		// Ensure WebGPU is initialized else restart calculation
+		// Ensure WebGPU is initialized before calculating, up to a max time frame
 		if (PowGpu.#device == null) {
+			if (performance.now() > 8000) {
+				throw new Error(`WebGPU device failed to load in time.`)
+			}
 			setTimeout(async () => { await this.#calculate(hashHex, callback, threshold) }, 100)
 			return
 		}