diff --git a/services/surfaceflinger/Layer.h b/services/surfaceflinger/Layer.h
index 66d7018..af26045 100644
--- a/services/surfaceflinger/Layer.h
+++ b/services/surfaceflinger/Layer.h
@@ -847,6 +847,13 @@
      */
     bool hasInputInfo() const;
 
+    // Sets the parent's gameMode for this layer and all its children. Parent's gameMode is applied
+    // only to layers that do not have the GAME_MODE_METADATA set by WMShell. Any layer(along with
+    // its children) that has the metadata set will use the gameMode from the metadata.
+    void setGameModeForTree(int parentGameMode);
+    void setGameMode(int gameMode) { mGameMode = gameMode; };
+    int getGameMode() const { return mGameMode; }
+
     virtual uid_t getOwnerUid() const { return mOwnerUid; }
 
     pid_t getOwnerPid() { return mOwnerPid; }
@@ -1089,6 +1096,10 @@
     // shadow radius is the set shadow radius, otherwise its the parent's shadow radius.
     float mEffectiveShadowRadius = 0.f;
 
+    // Game mode for the layer. Set by WindowManagerShell, game mode is used in
+    // metrics(SurfaceFlingerStats).
+    int mGameMode = 0;
+
     // A list of regions on this layer that should have blurs.
     const std::vector<BlurRegion> getBlurRegions() const;
 };