From 3109be2d8ade83aa2ab9b781fe18910243868775 Mon Sep 17 00:00:00 2001
From: Vitaly Turovsky <vital2580@icloud.com>
Date: Mon, 7 Apr 2025 12:49:33 +0300
Subject: [PATCH] universal load backend + fallback

---
 src/appViewerLoad.ts | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/src/appViewerLoad.ts b/src/appViewerLoad.ts
index 09649b3f..8110ac89 100644
--- a/src/appViewerLoad.ts
+++ b/src/appViewerLoad.ts
@@ -4,13 +4,18 @@ import { options } from './optionsStorage'
 import { appViewer } from './appViewer'
 import { miscUiState } from './globalState'
 import { watchOptionsAfterViewerInit } from './watchOptions'
+import { showNotification } from './react/NotificationProvider'
 
+const backends = [
+  createGraphicsBackend,
+]
 const loadBackend = () => {
-  if (options.activeRenderer === 'webgpu') {
-    // appViewer.loadBackend(createWebgpuBackend)
-  } else {
-    appViewer.loadBackend(createGraphicsBackend)
+  let backend = backends.find(backend => backend.id === options.activeRenderer)
+  if (!backend) {
+    showNotification(`No backend found for renderer ${options.activeRenderer}`, `Falling back to ${backends[0].id}`, true)
+    backend = backends[0]
   }
+  appViewer.loadBackend(backend)
 }
 window.loadBackend = loadBackend
 if (process.env.SINGLE_FILE_BUILD_MODE) {