Merge changes from topic "layerid-in-wm-trace"

* changes:
  Dump WindowContainer SurfaceControls to proto
  Dump SurfaceControl's layerId to proto
  Expose SurfaceControl's native mLayerId property to Java

core/java/android/view/SurfaceControl.java

@@ -23,6 +23,7 @@ import static android.graphics.Matrix.MSKEW_Y;
 import static android.graphics.Matrix.MTRANS_X;
 import static android.graphics.Matrix.MTRANS_Y;
 import static android.view.SurfaceControlProto.HASH_CODE;
+import static android.view.SurfaceControlProto.LAYER_ID;
 import static android.view.SurfaceControlProto.NAME;
 
 import android.annotation.FloatRange;
@@ -239,6 +240,7 @@ public final class SurfaceControl implements Parcelable {
     private static native int nativeGetGPUContextPriority();
     private static native void nativeSetTransformHint(long nativeObject, int transformHint);
     private static native int nativeGetTransformHint(long nativeObject);
+    private static native int nativeGetLayerId(long nativeObject);
 
     @Nullable
     @GuardedBy("mLock")
@@ -354,8 +356,6 @@ public final class SurfaceControl implements Parcelable {
     @GuardedBy("mLock")
     private int mHeight;
 
-    private int mTransformHint;
-
     private WeakReference<View> mLocalOwnerView;
 
     static GlobalTransactionWrapper sGlobalTransaction;
@@ -1538,6 +1538,7 @@ public final class SurfaceControl implements Parcelable {
         final long token = proto.start(fieldId);
         proto.write(HASH_CODE, System.identityHashCode(this));
         proto.write(NAME, mName);
+        proto.write(LAYER_ID, getLayerId());
         proto.end(token);
     }
 
@@ -3652,4 +3653,15 @@ public final class SurfaceControl implements Parcelable {
     public void setTransformHint(@Surface.Rotation int transformHint) {
         nativeSetTransformHint(mNativeObject, transformHint);
     }
+
+    /**
+     * @hide
+     */
+    public int getLayerId() {
+        if (mNativeObject != 0) {
+            return nativeGetLayerId(mNativeObject);
+        }
+
+        return -1;
+    }
 }

core/jni/android_view_SurfaceControl.cpp

@@ -1815,6 +1815,12 @@ static jint nativeGetTransformHint(JNIEnv* env, jclass clazz, jlong nativeSurfac
     return toRotationInt(ui::Transform::toRotation((transformHintRotationFlags)));
 }
 
+static jint nativeGetLayerId(JNIEnv* env, jclass clazz, jlong nativeSurfaceControl) {
+    sp<SurfaceControl> surface(reinterpret_cast<SurfaceControl*>(nativeSurfaceControl));
+
+    return surface->getLayerId();
+}
+
 // ----------------------------------------------------------------------------
 
 static const JNINativeMethod sSurfaceControlMethods[] = {
@@ -2010,6 +2016,8 @@ static const JNINativeMethod sSurfaceControlMethods[] = {
             (void*)nativeGetTransformHint },
     {"nativeSetTrustedOverlay", "(JJZ)V",
             (void*)nativeSetTrustedOverlay },
+    {"nativeGetLayerId", "(J)I",
+            (void*)nativeGetLayerId },
         // clang-format on
 };
 

core/proto/android/server/windowmanagerservice.proto

@@ -480,6 +480,7 @@ message WindowContainerProto {
     optional SurfaceAnimatorProto surface_animator = 4;
     repeated WindowContainerChildProto children = 5;
     optional IdentifierProto identifier = 6;
+    optional .android.view.SurfaceControlProto surface_control = 7;
 }
 
 /* represents a generic child of a WindowContainer */

core/proto/android/view/surfacecontrol.proto

@@ -29,4 +29,5 @@ message SurfaceControlProto {
 
     optional int32 hash_code = 1;
     optional string name = 2 [ (android.privacy).dest = DEST_EXPLICIT ];
+    optional int32 layerId = 3;
 }

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

@@ -51,6 +51,7 @@ import static com.android.server.wm.WindowContainerProto.CONFIGURATION_CONTAINER
 import static com.android.server.wm.WindowContainerProto.IDENTIFIER;
 import static com.android.server.wm.WindowContainerProto.ORIENTATION;
 import static com.android.server.wm.WindowContainerProto.SURFACE_ANIMATOR;
+import static com.android.server.wm.WindowContainerProto.SURFACE_CONTROL;
 import static com.android.server.wm.WindowContainerProto.VISIBLE;
 import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_ANIM;
 import static com.android.server.wm.WindowManagerDebugConfig.TAG_WITH_CLASS_NAME;
@@ -2397,6 +2398,9 @@ class WindowContainer<E extends WindowContainer> extends ConfigurationContainer<
         if (mSurfaceAnimator.isAnimating()) {
             mSurfaceAnimator.dumpDebug(proto, SURFACE_ANIMATOR);
         }
+        if (mSurfaceControl != null) {
+            mSurfaceControl.dumpDebug(proto, SURFACE_CONTROL);
+        }
 
         // add children to proto
         for (int i = 0; i < getChildCount(); i++) {