diff --git a/services/inputflinger/include/PointerControllerInterface.h b/services/inputflinger/include/PointerControllerInterface.h
index 8f3d9ca..3391f79 100644
--- a/services/inputflinger/include/PointerControllerInterface.h
+++ b/services/inputflinger/include/PointerControllerInterface.h
@@ -72,8 +72,12 @@
     /* Dumps the state of the pointer controller. */
     virtual std::string dump() = 0;
 
-    /* Move the pointer. */
-    virtual void move(float deltaX, float deltaY) = 0;
+    /* Move the pointer and return unconsumed delta if the pointer has crossed the current
+     * viewport bounds .
+     *
+     * Return value may be used to move pointer to corresponding adjacent display, if it exists in
+     * the display-topology */
+    [[nodiscard]] virtual FloatPoint move(float deltaX, float deltaY) = 0;
 
     /* Sets the absolute location of the pointer. */
     virtual void setPosition(float x, float y) = 0;