tor-browser

commit dbc1cfe4c79e848675b957fab79984f247db2355
parent 7f75ffc57f4f1ef0a33be8d71bd30d65e3300556
Author: Andy Leiserson <aleiserson@mozilla.com>
Date:   Thu, 13 Nov 2025 17:50:35 +0000

Bug 1993341 - Enable WebGPU on pre-Tahoe MacOS r=webgpu-reviewers,taskgraph-reviewers,teoxoy,jcristau

Differential Revision: https://phabricator.services.mozilla.com/D272338

Diffstat:
M
dom/webgpu/tests/mochitest/mochitest-resistfingerprinting.toml
 | 
4
+---
M
dom/webgpu/tests/mochitest/mochitest.toml
 | 
4
+---
M
taskcluster/gecko_taskgraph/transforms/test/other.py
 | 
13
++++++-------
M
toolkit/components/ml/tests/browser/perftest.toml
 | 
4
+---
M
widget/cocoa/GfxInfo.mm
 | 
8
--------

5 files changed, 9 insertions(+), 24 deletions(-)
diff --git a/dom/webgpu/tests/mochitest/mochitest-resistfingerprinting.toml b/dom/webgpu/tests/mochitest/mochitest-resistfingerprinting.toml
@@ -9,9 +9,7 @@ prefs = [
   "dom.webgpu.enabled=true",
   "dom.webgpu.service-workers.enabled=true",
   # Ignoring the blocklist is necessary to run tests in CI on old Mesa versions
-  # (https://bugzilla.mozilla.org/show_bug.cgi?id=1985348) or against beta and
-  # release builds on old MacOS versions
-  # (https://bugzilla.mozilla.org/show_bug.cgi?id=1993341).
+  # (https://bugzilla.mozilla.org/show_bug.cgi?id=1985348).
   "gfx.webgpu.ignore-blocklist=true",
   "privacy.fingerprintingProtection=true",
   "privacy.fingerprintingProtection.overrides='-AllTargets,+WebGPULimits'",
diff --git a/dom/webgpu/tests/mochitest/mochitest.toml b/dom/webgpu/tests/mochitest/mochitest.toml
@@ -15,9 +15,7 @@ run-if = [
 prefs = [
   "dom.webgpu.service-workers.enabled=true",
   # Ignoring the blocklist is necessary to run tests in CI on old Mesa versions
-  # (https://bugzilla.mozilla.org/show_bug.cgi?id=1985348) or against beta and
-  # release builds on old MacOS versions
-  # (https://bugzilla.mozilla.org/show_bug.cgi?id=1993341).
+  # (https://bugzilla.mozilla.org/show_bug.cgi?id=1985348).
   "gfx.webgpu.ignore-blocklist=true",
 ]
 support-files = [
diff --git a/taskcluster/gecko_taskgraph/transforms/test/other.py b/taskcluster/gecko_taskgraph/transforms/test/other.py
@@ -1137,15 +1137,14 @@ def enable_parallel_marking_in_tsan_tests(config, tasks):
 @transforms.add
 def set_webgpu_ignore_blocklist(config, tasks):
     """
-    Ignore the WebGPU blocklist on Linux (because CI's Mesa is old,
-    <https://bugzilla.mozilla.org/show_bug.cgi?id=1985348>) and on pre-Tahoe
-    MacOS (<https://bugzilla.mozilla.org/show_bug.cgi?id=1993341>).
+    Ignore the WebGPU blocklist on Linux because CI's Mesa is old
+
+    See <https://bugzilla.mozilla.org/show_bug.cgi?id=1985348>
     """
     for task in tasks:
-        if "web-platform-tests-webgpu" in task["test-name"] and (
-            task["test-platform"].startswith("linux")
-            or task["test-platform"].startswith("macosx1")
-        ):
+        if "web-platform-tests-webgpu" in task["test-name"] and task[
+            "test-platform"
+        ].startswith("linux"):
             extra_options = task["mozharness"].setdefault("extra-options", [])
             extra_options.append("--setpref=gfx.webgpu.ignore-blocklist=true")
 
diff --git a/toolkit/components/ml/tests/browser/perftest.toml b/toolkit/components/ml/tests/browser/perftest.toml
@@ -5,9 +5,7 @@ support-files = [
 ]
 prefs = [
     # Ignoring the blocklist is necessary to run tests in CI on old Mesa versions
-    # (https://bugzilla.mozilla.org/show_bug.cgi?id=1985348) or against beta and
-    # release builds on old MacOS versions
-    # (https://bugzilla.mozilla.org/show_bug.cgi?id=1993341).
+    # (https://bugzilla.mozilla.org/show_bug.cgi?id=1985348).
     "gfx.webgpu.ignore-blocklist=true",
 ]
 
diff --git a/widget/cocoa/GfxInfo.mm b/widget/cocoa/GfxInfo.mm
@@ -526,14 +526,6 @@ nsresult GfxInfo::GetFeatureStatusImpl(
       *aStatus = nsIGfxInfo::FEATURE_BLOCKED_DEVICE;
       aFailureId = "FEATURE_UNQUALIFIED_WEBRENDER_MAC_ROSETTA";
       return NS_OK;
-#ifndef EARLY_BETA_OR_EARLIER
-    } else if (aFeature == nsIGfxInfo::FEATURE_WEBGPU &&
-               !nsCocoaFeatures::OnTahoeOrLater()) {
-      // https://bugzilla.mozilla.org/show_bug.cgi?id=1993341
-      *aStatus = nsIGfxInfo::FEATURE_BLOCKED_OS_VERSION;
-      aFailureId = "FEATURE_FAILURE_WEBGPU_MACOS_26_REQUIRED";
-      return NS_OK;
-#endif
     }
   }