Elevate GPU priority of Launcher3Quickstep

Bug: 75985430
Change-Id: I4ac70c76db98b4ab666b0559f3185392142be045

proguard.flags

@@ -107,6 +107,11 @@
     public <init>(...);
 }
 
+# MainProcessInitializer
+-keep class com.android.quickstep.QuickstepProcessInitializer {
+    public <init>(...);
+}
+
 -keep interface com.android.launcher3.userevent.nano.LauncherLogProto.** {
   *;
 }

quickstep/res/values/override.xml

@@ -18,5 +18,7 @@
   <string name="app_transition_manager_class" translatable="false">com.android.launcher3.LauncherAppTransitionManagerImpl</string>
 
   <string name="instant_app_resolver_class" translatable="false">com.android.quickstep.InstantAppResolverImpl</string>
+
+  <string name="main_process_initializer_class" translatable="false">com.android.quickstep.QuickstepProcessInitializer</string>
 </resources>
 

quickstep/src/com/android/quickstep/QuickstepProcessInitializer.java

@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.quickstep;
+
+import android.content.Context;
+
+import com.android.launcher3.MainProcessInitializer;
+import com.android.systemui.shared.system.ThreadedRendererCompat;
+
+public class QuickstepProcessInitializer extends MainProcessInitializer {
+
+    public QuickstepProcessInitializer(Context context) { }
+
+    @Override
+    protected void init(Context context) {
+        super.init(context);
+
+        // Elevate GPU priority for Quickstep and Remote animations.
+        ThreadedRendererCompat.setContextPriority(ThreadedRendererCompat.EGL_CONTEXT_PRIORITY_HIGH_IMG);
+    }
+}