Use the GPU thread for Android surface on-screen context lifecycle op…

…erations (flutter#8234) Fixes flutter/flutter#29679
beezit94 · Mar 21, 2019 · fa43538 · fa43538
1 parent 10e1add
commit fa43538
Showing 1 changed file with 20 additions and 2 deletions.
diff --git a/shell/platform/android/platform_view_android.cc b/shell/platform/android/platform_view_android.cc
@@ -45,15 +45,33 @@ void PlatformViewAndroid::NotifyCreated(
     fml::RefPtr<AndroidNativeWindow> native_window) {
   if (android_surface_) {
     InstallFirstFrameCallback();
-    android_surface_->SetNativeWindow(native_window);
+
+    fml::AutoResetWaitableEvent latch;
+    fml::TaskRunner::RunNowOrPostTask(
+        task_runners_.GetGPUTaskRunner(),
+        [&latch, surface = android_surface_.get(),
+         native_window = std::move(native_window)]() {
+          surface->SetNativeWindow(native_window);
+          latch.Signal();
+        });
+    latch.Wait();
   }
+
   PlatformView::NotifyCreated();
 }
 
 void PlatformViewAndroid::NotifyDestroyed() {
   PlatformView::NotifyDestroyed();
+
   if (android_surface_) {
-    android_surface_->TeardownOnScreenContext();
+    fml::AutoResetWaitableEvent latch;
+    fml::TaskRunner::RunNowOrPostTask(
+        task_runners_.GetGPUTaskRunner(),
+        [&latch, surface = android_surface_.get()]() {
+          surface->TeardownOnScreenContext();
+          latch.Signal();
+        });
+    latch.Wait();
   }
 }