Merge "Use NativeAllocationRegistry instead of finalizer for SurfaceControl"

core/java/android/view/SurfaceControl.java

@@ -110,7 +110,7 @@ public final class SurfaceControl implements Parcelable {
     private static native long nativeReadFromParcel(Parcel in);
     private static native long nativeCopyFromSurfaceControl(long nativeObject);
     private static native void nativeWriteToParcel(long nativeObject, Parcel out);
-    private static native void nativeRelease(long nativeObject);
+    private static native long nativeGetNativeSurfaceControlFinalizer();
     private static native void nativeDisconnect(long nativeObject);
     private static native void nativeUpdateDefaultBufferSize(long nativeObject, int width, int height);
 
@@ -462,6 +462,12 @@ public final class SurfaceControl implements Parcelable {
     static GlobalTransactionWrapper sGlobalTransaction;
     static long sTransactionNestCount = 0;
 
+    private static final NativeAllocationRegistry sRegistry =
+            NativeAllocationRegistry.createMalloced(SurfaceControl.class.getClassLoader(),
+                    nativeGetNativeSurfaceControlFinalizer());
+
+    private Runnable mFreeNativeResources;
+
     /**
      * Adds a reparenting listener.
      *
@@ -720,6 +726,8 @@ public final class SurfaceControl implements Parcelable {
         }
         if (nativeObject != 0) {
             mCloseGuard.openWithCallSite("release", callsite);
+            mFreeNativeResources =
+                    sRegistry.registerNativeAllocation(this, nativeObject);
         }
         mNativeObject = nativeObject;
         mNativeHandle = mNativeObject != 0 ? nativeGetHandle(nativeObject) : 0;
@@ -1148,6 +1156,7 @@ public final class SurfaceControl implements Parcelable {
         mHeight = h;
         mLocalOwnerView = localOwnerView;
         Parcel metaParcel = Parcel.obtain();
+        long nativeObject = 0;
         try {
             if (metadata != null && metadata.size() > 0) {
                 metaParcel.writeInt(metadata.size());
@@ -1159,17 +1168,16 @@ public final class SurfaceControl implements Parcelable {
                 }
                 metaParcel.setDataPosition(0);
             }
-            mNativeObject = nativeCreate(session, name, w, h, format, flags,
+            nativeObject = nativeCreate(session, name, w, h, format, flags,
                     parent != null ? parent.mNativeObject : 0, metaParcel);
         } finally {
             metaParcel.recycle();
         }
-        if (mNativeObject == 0) {
+        if (nativeObject == 0) {
             throw new OutOfResourcesException(
                     "Couldn't allocate SurfaceControl native object");
         }
-        mNativeHandle = nativeGetHandle(mNativeObject);
-        mCloseGuard.openWithCallSite("release", callsite);
+        assignNativeObject(nativeObject, callsite);
     }
 
     /**
@@ -1281,9 +1289,6 @@ public final class SurfaceControl implements Parcelable {
             if (mCloseGuard != null) {
                 mCloseGuard.warnIfOpen();
             }
-            if (mNativeObject != 0) {
-                nativeRelease(mNativeObject);
-            }
         } finally {
             super.finalize();
         }
@@ -1301,7 +1306,7 @@ public final class SurfaceControl implements Parcelable {
      */
     public void release() {
         if (mNativeObject != 0) {
-            nativeRelease(mNativeObject);
+            mFreeNativeResources.run();
             mNativeObject = 0;
             mNativeHandle = 0;
             mCloseGuard.close();

core/jni/AndroidRuntime.cpp

@@ -1530,12 +1530,14 @@ static const RegJNIRec gRegJNI[] = {
         REG_JNI(register_android_os_VintfRuntimeInfo),
         REG_JNI(register_android_service_DataLoaderService),
         REG_JNI(register_android_view_DisplayEventReceiver),
-        REG_JNI(register_android_view_InputApplicationHandle),
-        REG_JNI(register_android_view_InputWindowHandle),
         REG_JNI(register_android_view_Surface),
         REG_JNI(register_android_view_SurfaceControl),
         REG_JNI(register_android_view_SurfaceControlHdrLayerInfoListener),
         REG_JNI(register_android_view_SurfaceSession),
+        REG_JNI(register_android_view_InputApplicationHandle),
+        // This must be called after register_android_view_SurfaceControl since it has a dependency
+        // on the Java SurfaceControl object that references a native resource via static request.
+        REG_JNI(register_android_view_InputWindowHandle),
         REG_JNI(register_android_view_CompositionSamplingListener),
         REG_JNI(register_android_view_TextureView),
         REG_JNI(register_android_view_TunnelModeEnabledListener),

core/jni/android_view_SurfaceControl.cpp

@@ -368,11 +368,14 @@ static jlong nativeCreate(JNIEnv* env, jclass clazz, jobject sessionObj,
     return reinterpret_cast<jlong>(surface.get());
 }
 
-static void nativeRelease(JNIEnv* env, jclass clazz, jlong nativeObject) {
-    sp<SurfaceControl> ctrl(reinterpret_cast<SurfaceControl *>(nativeObject));
+static void release(SurfaceControl* ctrl) {
     ctrl->decStrong((void *)nativeCreate);
 }
 
+static jlong nativeGetNativeSurfaceControlFinalizer(JNIEnv* env, jclass clazz) {
+    return static_cast<jlong>(reinterpret_cast<uintptr_t>(&release));
+}
+
 static void nativeDisconnect(JNIEnv* env, jclass clazz, jlong nativeObject) {
     SurfaceControl* const ctrl = reinterpret_cast<SurfaceControl *>(nativeObject);
     if (ctrl != NULL) {
@@ -1897,8 +1900,8 @@ static const JNINativeMethod sSurfaceControlMethods[] = {
             (void*)nativeCopyFromSurfaceControl },
     {"nativeWriteToParcel", "(JLandroid/os/Parcel;)V",
             (void*)nativeWriteToParcel },
-    {"nativeRelease", "(J)V",
-            (void*)nativeRelease },
+    {"nativeGetNativeSurfaceControlFinalizer", "()J",
+            (void*) nativeGetNativeSurfaceControlFinalizer },
     {"nativeDisconnect", "(J)V",
             (void*)nativeDisconnect },
     {"nativeUpdateDefaultBufferSize", "(JII)V",