diff --git a/services/surfaceflinger/SurfaceFlinger.h b/services/surfaceflinger/SurfaceFlinger.h
index bc3d83e..273cb91 100644
--- a/services/surfaceflinger/SurfaceFlinger.h
+++ b/services/surfaceflinger/SurfaceFlinger.h
@@ -342,6 +342,11 @@
     void disableExpensiveRendering();
     FloatRect getMaxDisplayBounds();
 
+    // If set, composition engine tries to predict the composition strategy provided by HWC
+    // based on the previous frame. If the strategy can be predicted, gpu composition will
+    // run parallel to the hwc validateDisplay call and re-run if the predition is incorrect.
+    bool mPredictCompositionStrategy = false;
+
 protected:
     // We're reference counted, never destroy SurfaceFlinger directly
     virtual ~SurfaceFlinger();