2 files changed, 6 insertions, 0 deletions
diff --git a/third_party/libwebrtc/modules/desktop_capture/mac/desktop_frame_provider.h b/third_party/libwebrtc/modules/desktop_capture/mac/desktop_frame_provider.h
index aad28d2f30..64ef5750ec 100644
--- a/third_party/libwebrtc/modules/desktop_capture/mac/desktop_frame_provider.h
+++ b/third_party/libwebrtc/modules/desktop_capture/mac/desktop_frame_provider.h
@@ -46,6 +46,8 @@ class DesktopFrameProvider {
   // Expected to be called before stopping the CGDisplayStreamRef streams.
   void Release();
 
+  bool allow_iosurface() const { return allow_iosurface_; }
+
  private:
   SequenceChecker thread_checker_;
   const bool allow_iosurface_;
diff --git a/third_party/libwebrtc/modules/desktop_capture/mac/screen_capturer_mac.mm b/third_party/libwebrtc/modules/desktop_capture/mac/screen_capturer_mac.mm
index 1f4a62f7cd..785a15dfa4 100644
--- a/third_party/libwebrtc/modules/desktop_capture/mac/screen_capturer_mac.mm
+++ b/third_party/libwebrtc/modules/desktop_capture/mac/screen_capturer_mac.mm
@@ -442,6 +442,10 @@ void ScreenCapturerMac::ScreenConfigurationChanged() {
 
 bool ScreenCapturerMac::RegisterRefreshAndMoveHandlers() {
   RTC_DCHECK(thread_checker_.IsCurrent());
+  if (!desktop_frame_provider_.allow_iosurface()) {
+    return true;
+  }
+
   desktop_config_ = desktop_config_monitor_->desktop_configuration();
   for (const auto& config : desktop_config_.displays) {
     size_t pixel_width = config.pixel_bounds.width();