Merge "WM: Call Transaction#sanitize"

core/java/android/view/SurfaceControl.java

@@ -254,6 +254,7 @@ public final class SurfaceControl implements Parcelable {
     private static native int nativeGetLayerId(long nativeObject);
     private static native void nativeAddTransactionCommittedListener(long nativeObject,
             TransactionCommittedListener listener);
+    private static native void nativeSanitize(long transactionObject);
 
     /**
      * Transforms that can be applied to buffers as they are displayed to a window.
@@ -3699,6 +3700,13 @@ public final class SurfaceControl implements Parcelable {
             return this;
         }
 
+        /**
+         * @hide
+         */
+        public void sanitize() {
+            nativeSanitize(mNativeObject);
+        }
+
         /**
          * Merge the other transaction into this transaction, clearing the
          * other transaction as if it had been applied.

core/jni/android_view_SurfaceControl.cpp

@@ -953,6 +953,11 @@ static void nativeSetDropInputMode(JNIEnv* env, jclass clazz, jlong transactionO
     transaction->setDropInputMode(ctrl, static_cast<gui::DropInputMode>(mode));
 }
 
+static void nativeSanitize(JNIEnv* env, jclass clazz, jlong transactionObj) {
+    auto transaction = reinterpret_cast<SurfaceComposerClient::Transaction*>(transactionObj);
+    transaction->sanitize();
+}
+
 static jlongArray nativeGetPhysicalDisplayIds(JNIEnv* env, jclass clazz) {
     const auto displayIds = SurfaceComposerClient::getPhysicalDisplayIds();
     jlongArray array = env->NewLongArray(displayIds.size());
@@ -2134,6 +2139,8 @@ static const JNINativeMethod sSurfaceControlMethods[] = {
              (void*)nativeSetDropInputMode },
     {"nativeAddTransactionCommittedListener", "(JLandroid/view/TransactionCommittedListener;)V",
             (void*) nativeAddTransactionCommittedListener },
+    {"nativeSanitize", "(J)V",
+            (void*) nativeSanitize }
         // clang-format on
 };
 

services/core/java/com/android/server/wm/WindowManagerService.java

@@ -2622,6 +2622,10 @@ public class WindowManagerService extends IWindowManager.Stub
 
     void finishDrawingWindow(Session session, IWindow client,
             @Nullable SurfaceControl.Transaction postDrawTransaction) {
+        if (postDrawTransaction != null) {
+            postDrawTransaction.sanitize();
+        }
+
         final long origId = Binder.clearCallingIdentity();
         try {
             synchronized (mGlobalLock) {