Merge "Only clear SurfaceControl.Transaction when parcelling as a return value" into sc-dev

core/java/android/view/SurfaceControl.java

@@ -104,6 +104,7 @@ public final class SurfaceControl implements Parcelable {
     private static native void nativeApplyTransaction(long transactionObj, boolean sync);
     private static native void nativeMergeTransaction(long transactionObj,
             long otherTransactionObj);
+    private static native void nativeClearTransaction(long transactionObj);
     private static native void nativeSetAnimationTransaction(long transactionObj);
     private static native void nativeSetEarlyWakeupStart(long transactionObj);
     private static native void nativeSetEarlyWakeupEnd(long transactionObj);
@@ -2601,6 +2602,19 @@ public final class SurfaceControl implements Parcelable {
             apply(false);
         }
 
+        /**
+         * Clear the transaction object, without applying it.
+         *
+         * @hide
+         */
+        public void clear() {
+            mResizedSurfaces.clear();
+            mReparentedSurfaces.clear();
+            if (mNativeObject != 0) {
+                nativeClearTransaction(mNativeObject);
+            }
+        }
+
         /**
          * Release the native transaction object, without applying it.
          */
@@ -3411,10 +3425,14 @@ public final class SurfaceControl implements Parcelable {
         public void writeToParcel(@NonNull Parcel dest, @WriteFlags int flags) {
             if (mNativeObject == 0) {
                 dest.writeInt(0);
-            } else {
-                dest.writeInt(1);
+                return;
             }
+
+            dest.writeInt(1);
             nativeWriteTransactionToParcel(mNativeObject, dest);
+            if ((flags & Parcelable.PARCELABLE_WRITE_RETURN_VALUE) != 0) {
+                nativeClearTransaction(mNativeObject);
+            }
         }
 
         private void readFromParcel(Parcel in) {

core/java/android/view/ViewRootImpl.java

@@ -3906,7 +3906,10 @@ public final class ViewRootImpl implements ViewParent,
             mDrawsNeededToReport = 0;
             mWindowSession.finishDrawing(mWindow, mSurfaceChangedTransaction);
         } catch (RemoteException e) {
-            // Have fun!
+            Log.e(mTag, "Unable to report draw finished", e);
+            mSurfaceChangedTransaction.apply();
+        } finally {
+            mSurfaceChangedTransaction.clear();
         }
     }
 

core/jni/android_view_SurfaceControl.cpp

@@ -1562,6 +1562,13 @@ static void nativeWriteTransactionToParcel(JNIEnv* env, jclass clazz, jlong nati
             reinterpret_cast<SurfaceComposerClient::Transaction *>(nativeObject);
     if (self != nullptr) {
         self->writeToParcel(parcel);
+    }
+}
+
+static void nativeClearTransaction(JNIEnv* env, jclass clazz, jlong nativeObject) {
+    SurfaceComposerClient::Transaction* const self =
+            reinterpret_cast<SurfaceComposerClient::Transaction*>(nativeObject);
+    if (self != nullptr) {
         self->clear();
     }
 }
@@ -1880,6 +1887,8 @@ static const JNINativeMethod sSurfaceControlMethods[] = {
             (void*)nativeReadTransactionFromParcel },
     {"nativeWriteTransactionToParcel", "(JLandroid/os/Parcel;)V",
             (void*)nativeWriteTransactionToParcel },
+    {"nativeClearTransaction", "(J)V",
+            (void*)nativeClearTransaction },
     {"nativeMirrorSurface", "(J)J",
             (void*)nativeMirrorSurface },
     {"nativeSetGlobalShadowSettings", "([F[FFFF)V",