Implement device lost promise property to handle loss gracefully by reinitializing...

diff --git a/src/lib/workers/powgpu.ts b/src/lib/workers/powgpu.ts
index 4105721ce33e66aea05f1e5f765527b78a36bb74..43b9359f7c6cacb455d9cc1def770f0529905476 100644 (file)
--- a/src/lib/workers/powgpu.ts
+++ b/src/lib/workers/powgpu.ts
@@ -408,6 +408,10 @@ export class PowGpu extends WorkerInterface {
                                adapter.requestDevice()
                                        .then(device => {
                                                this.#device = device
+                                               this.#device.lost.then(loss => {
+                                                       console.warn(`(${loss.reason}) ${loss.message}. Reinitializing device.`)
+                                                       this.init()
+                                               })
 
                                                // Create buffers for writing GPU calculations and reading from Javascript
                                                this.#uboBuffer = this.#device.createBuffer({
@@ -539,8 +543,7 @@ export class PowGpu extends WorkerInterface {
                        await this.#cpuBuffer.mapAsync(GPUMapMode.READ)
                        await this.#device.queue.onSubmittedWorkDone()
                } catch (err) {
-                       console.warn(`Reinitializing after catching error ${err}`)
-                       this.init()
+                       console.warn(`Error getting data from GPU, retrying. ${err}`)
                        return await this.search(hash, threshold)
                }
                const data = new DataView(this.#cpuBuffer.getMappedRange())