From 4577926411120b39b83f618177d7a58b82459df7 Mon Sep 17 00:00:00 2001
From: Dmitry Gozman <dgozman@gmail.com>
Date: Wed, 4 Feb 2026 14:15:14 +0000
Subject: [PATCH] fix: do not force swiftshader on chromium mac

---
 .../src/server/bidi/bidiChromium.ts               |  3 ++-
 .../src/server/chromium/chromium.ts               |  8 +++++---
 .../src/server/utils/hostPlatform.ts              | 15 +++++++++++++++
 3 files changed, 22 insertions(+), 4 deletions(-)

diff --git a/packages/playwright-core/src/server/bidi/bidiChromium.ts b/packages/playwright-core/src/server/bidi/bidiChromium.ts
index d44a2e2a38c52..1a78c23c655f2 100644
--- a/packages/playwright-core/src/server/bidi/bidiChromium.ts
+++ b/packages/playwright-core/src/server/bidi/bidiChromium.ts
@@ -23,6 +23,7 @@ import { kBrowserCloseMessageId } from './bidiConnection';
 import { chromiumSwitches } from '../chromium/chromiumSwitches';
 import { RecentLogsCollector } from '../utils/debugLogger';
 import { waitForReadyState } from '../chromium/chromium';
+import { hasGpuMac } from '../utils/hostPlatform';
 
 import type { BrowserOptions } from '../browser';
 import type { SdkObject } from '../instrumentation';
@@ -114,7 +115,7 @@ export class BidiChromium extends BrowserType {
       throw new Error('Arguments can not specify page to be opened');
     const chromeArguments = [...chromiumSwitches(options.assistantMode)];
 
-    if (os.platform() === 'darwin') {
+    if (os.platform() !== 'darwin' || !hasGpuMac()) {
       // See https://issues.chromium.org/issues/40277080
       chromeArguments.push('--enable-unsafe-swiftshader');
     }
diff --git a/packages/playwright-core/src/server/chromium/chromium.ts b/packages/playwright-core/src/server/chromium/chromium.ts
index b7d2dd294d5ef..bcc69d40f161b 100644
--- a/packages/playwright-core/src/server/chromium/chromium.ts
+++ b/packages/playwright-core/src/server/chromium/chromium.ts
@@ -22,7 +22,7 @@ import path from 'path';
 import { chromiumSwitches } from './chromiumSwitches';
 import { CRBrowser } from './crBrowser';
 import { kBrowserCloseMessageId } from './crConnection';
-import { debugMode, headersArrayToObject, headersObjectToArray, } from '../../utils';
+import { debugMode, hasGpuMac, headersArrayToObject, headersObjectToArray } from '../../utils';
 import { wrapInASCIIBox } from '../utils/ascii';
 import { RecentLogsCollector } from '../utils/debugLogger';
 import { ManualPromise } from '../../utils/isomorphic/manualPromise';
@@ -313,8 +313,10 @@ export class Chromium extends BrowserType {
       throw new Error('Arguments can not specify page to be opened');
     const chromeArguments = [...chromiumSwitches(options.assistantMode, options.channel)];
 
-    // See https://issues.chromium.org/issues/40277080
-    chromeArguments.push('--enable-unsafe-swiftshader');
+    if (os.platform() !== 'darwin' || !hasGpuMac()) {
+      // See https://issues.chromium.org/issues/40277080
+      chromeArguments.push('--enable-unsafe-swiftshader');
+    }
 
     if (options.headless) {
       chromeArguments.push('--headless');
diff --git a/packages/playwright-core/src/server/utils/hostPlatform.ts b/packages/playwright-core/src/server/utils/hostPlatform.ts
index 635d65d3d98ce..8df9ceb34281a 100644
--- a/packages/playwright-core/src/server/utils/hostPlatform.ts
+++ b/packages/playwright-core/src/server/utils/hostPlatform.ts
@@ -14,6 +14,7 @@
  * limitations under the License.
  */
 
+import { execSync } from 'child_process';
 import os from 'os';
 
 import { getLinuxDistributionInfoSync } from './linuxUtils';
@@ -133,3 +134,17 @@ function toShortPlatform(hostPlatform: HostPlatform): ShortPlatform {
 }
 
 export const shortPlatform = toShortPlatform(hostPlatform);
+
+let hasGpuMacValue: boolean | undefined;
+
+export function hasGpuMac() {
+  try {
+    if (hasGpuMacValue === undefined) {
+      const output = execSync('system_profiler SPDisplaysDataType').toString();
+      hasGpuMacValue = output.includes('Metal: Supported') || output.includes('Metal Support: Metal');
+    }
+    return hasGpuMacValue;
+  } catch (e) {
+    return false;
+  }
+}