From f70639d792b5e28591dd13914153af75ca1a63e1 Mon Sep 17 00:00:00 2001
From: Oscar Hinton <Hinton@users.noreply.github.com>
Date: Fri, 22 Mar 2024 14:31:36 +0100
Subject: [PATCH] [PM-6983] Disable hardware acceleration for bad GPUs (#8427)

* Disable hardware acceleration on mac app store when amd switchable is true

* Only apply fix on iMacs
---
 apps/desktop/src/main.ts | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/apps/desktop/src/main.ts b/apps/desktop/src/main.ts
index e0d4dbfb03..bae1cc0c06 100644
--- a/apps/desktop/src/main.ts
+++ b/apps/desktop/src/main.ts
@@ -45,6 +45,7 @@ import { ElectronStateService } from "./platform/services/electron-state.service
 import { ElectronStorageService } from "./platform/services/electron-storage.service";
 import { I18nMainService } from "./platform/services/i18n.main.service";
 import { ElectronMainMessagingService } from "./services/electron-main-messaging.service";
+import { isMacAppStore } from "./utils";
 
 export class Main {
   logService: ElectronLogMainService;
@@ -322,6 +323,19 @@ export class Main {
     if (!hardwareAcceleration) {
       this.logService.warning("Hardware acceleration is disabled");
       app.disableHardwareAcceleration();
+    } else if (isMacAppStore()) {
+      // We disable hardware acceleration on Mac App Store builds for iMacs with amd switchable GPUs due to:
+      // https://github.com/electron/electron/issues/41346
+      const gpuInfo: any = await app.getGPUInfo("basic");
+      const badGpu = gpuInfo?.auxAttributes?.amdSwitchable ?? false;
+      const isImac = gpuInfo?.machineModelName == "iMac";
+
+      if (isImac && badGpu) {
+        this.logService.warning(
+          "Bad GPU detected, hardware acceleration is disabled for compatibility",
+        );
+        app.disableHardwareAcceleration();
+      }
     }
   }
 }