diff --git a/services/inputflinger/benchmarks/InputDispatcher_benchmarks.cpp b/services/inputflinger/benchmarks/InputDispatcher_benchmarks.cpp
index 246e735..9a6ef21 100644
--- a/services/inputflinger/benchmarks/InputDispatcher_benchmarks.cpp
+++ b/services/inputflinger/benchmarks/InputDispatcher_benchmarks.cpp
@@ -203,9 +203,10 @@
     const nsecs_t currentTime = now();
 
     MotionEvent event;
-    event.initialize(DEVICE_ID, AINPUT_SOURCE_TOUCHSCREEN, ADISPLAY_ID_DEFAULT,
+    event.initialize(DEVICE_ID, AINPUT_SOURCE_TOUCHSCREEN, ADISPLAY_ID_DEFAULT, INVALID_HMAC,
                      AMOTION_EVENT_ACTION_DOWN, /* actionButton */ 0, /* flags */ 0,
                      /* edgeFlags */ 0, AMETA_NONE, /* buttonState */ 0, MotionClassification::NONE,
+                     1 /* xScale */, 1 /* yScale */,
                      /* xOffset */ 0, /* yOffset */ 0, /* xPrecision */ 0,
                      /* yPrecision */ 0, AMOTION_EVENT_INVALID_CURSOR_POSITION,
                      AMOTION_EVENT_INVALID_CURSOR_POSITION, currentTime, currentTime,
diff --git a/services/inputflinger/dispatcher/InputDispatcher.cpp b/services/inputflinger/dispatcher/InputDispatcher.cpp
index 30fdf90..d8e91cc 100644
--- a/services/inputflinger/dispatcher/InputDispatcher.cpp
+++ b/services/inputflinger/dispatcher/InputDispatcher.cpp
@@ -2410,7 +2410,7 @@
                 status = connection->inputPublisher
                                  .publishKeyEvent(dispatchEntry->seq, keyEntry->deviceId,
                                                   keyEntry->source, keyEntry->displayId,
-                                                  dispatchEntry->resolvedAction,
+                                                  INVALID_HMAC, dispatchEntry->resolvedAction,
                                                   dispatchEntry->resolvedFlags, keyEntry->keyCode,
                                                   keyEntry->scanCode, keyEntry->metaState,
                                                   keyEntry->repeatCount, keyEntry->downTime,
@@ -2457,12 +2457,14 @@
                 status = connection->inputPublisher
                                  .publishMotionEvent(dispatchEntry->seq, motionEntry->deviceId,
                                                      motionEntry->source, motionEntry->displayId,
-                                                     dispatchEntry->resolvedAction,
+                                                     INVALID_HMAC, dispatchEntry->resolvedAction,
                                                      motionEntry->actionButton,
                                                      dispatchEntry->resolvedFlags,
                                                      motionEntry->edgeFlags, motionEntry->metaState,
                                                      motionEntry->buttonState,
-                                                     motionEntry->classification, xOffset, yOffset,
+                                                     motionEntry->classification,
+                                                     dispatchEntry->windowXScale,
+                                                     dispatchEntry->windowYScale, xOffset, yOffset,
                                                      motionEntry->xPrecision,
                                                      motionEntry->yPrecision,
                                                      motionEntry->xCursorPosition,
@@ -2930,8 +2932,9 @@
     accelerateMetaShortcuts(args->deviceId, args->action, keyCode, metaState);
 
     KeyEvent event;
-    event.initialize(args->deviceId, args->source, args->displayId, args->action, flags, keyCode,
-                     args->scanCode, metaState, repeatCount, args->downTime, args->eventTime);
+    event.initialize(args->deviceId, args->source, args->displayId, INVALID_HMAC, args->action,
+                     flags, keyCode, args->scanCode, metaState, repeatCount, args->downTime,
+                     args->eventTime);
 
     android::base::Timer t;
     mPolicy->interceptKeyBeforeQueueing(&event, /*byref*/ policyFlags);
@@ -3024,9 +3027,10 @@
             mLock.unlock();
 
             MotionEvent event;
-            event.initialize(args->deviceId, args->source, args->displayId, args->action,
-                             args->actionButton, args->flags, args->edgeFlags, args->metaState,
-                             args->buttonState, args->classification, 0, 0, args->xPrecision,
+            event.initialize(args->deviceId, args->source, args->displayId, INVALID_HMAC,
+                             args->action, args->actionButton, args->flags, args->edgeFlags,
+                             args->metaState, args->buttonState, args->classification, 1 /*xScale*/,
+                             1 /*yScale*/, 0 /* xOffset */, 0 /* yOffset */, args->xPrecision,
                              args->yPrecision, args->xCursorPosition, args->yCursorPosition,
                              args->downTime, args->eventTime, args->pointerCount,
                              args->pointerProperties, args->pointerCoords);
@@ -3126,7 +3130,7 @@
             accelerateMetaShortcuts(keyEvent.getDeviceId(), action,
                                     /*byref*/ keyCode, /*byref*/ metaState);
             keyEvent.initialize(keyEvent.getDeviceId(), keyEvent.getSource(),
-                                keyEvent.getDisplayId(), action, flags, keyCode,
+                                keyEvent.getDisplayId(), INVALID_HMAC, action, flags, keyCode,
                                 keyEvent.getScanCode(), metaState, keyEvent.getRepeatCount(),
                                 keyEvent.getDownTime(), keyEvent.getEventTime());
 
@@ -4682,8 +4686,8 @@
 
 KeyEvent InputDispatcher::createKeyEvent(const KeyEntry& entry) {
     KeyEvent event;
-    event.initialize(entry.deviceId, entry.source, entry.displayId, entry.action, entry.flags,
-                     entry.keyCode, entry.scanCode, entry.metaState, entry.repeatCount,
+    event.initialize(entry.deviceId, entry.source, entry.displayId, INVALID_HMAC, entry.action,
+                     entry.flags, entry.keyCode, entry.scanCode, entry.metaState, entry.repeatCount,
                      entry.downTime, entry.eventTime);
     return event;
 }
diff --git a/services/inputflinger/tests/InputDispatcher_test.cpp b/services/inputflinger/tests/InputDispatcher_test.cpp
index 98ebf50..094452a 100644
--- a/services/inputflinger/tests/InputDispatcher_test.cpp
+++ b/services/inputflinger/tests/InputDispatcher_test.cpp
@@ -225,18 +225,18 @@
     KeyEvent event;
 
     // Rejects undefined key actions.
-    event.initialize(DEVICE_ID, AINPUT_SOURCE_KEYBOARD, ADISPLAY_ID_NONE,
-            /*action*/ -1, 0,
-            AKEYCODE_A, KEY_A, AMETA_NONE, 0, ARBITRARY_TIME, ARBITRARY_TIME);
+    event.initialize(DEVICE_ID, AINPUT_SOURCE_KEYBOARD, ADISPLAY_ID_NONE, INVALID_HMAC,
+                     /*action*/ -1, 0, AKEYCODE_A, KEY_A, AMETA_NONE, 0, ARBITRARY_TIME,
+                     ARBITRARY_TIME);
     ASSERT_EQ(INPUT_EVENT_INJECTION_FAILED, mDispatcher->injectInputEvent(
             &event,
             INJECTOR_PID, INJECTOR_UID, INPUT_EVENT_INJECTION_SYNC_NONE, 0, 0))
             << "Should reject key events with undefined action.";
 
     // Rejects ACTION_MULTIPLE since it is not supported despite being defined in the API.
-    event.initialize(DEVICE_ID, AINPUT_SOURCE_KEYBOARD, ADISPLAY_ID_NONE,
-            AKEY_EVENT_ACTION_MULTIPLE, 0,
-            AKEYCODE_A, KEY_A, AMETA_NONE, 0, ARBITRARY_TIME, ARBITRARY_TIME);
+    event.initialize(DEVICE_ID, AINPUT_SOURCE_KEYBOARD, ADISPLAY_ID_NONE, INVALID_HMAC,
+                     AKEY_EVENT_ACTION_MULTIPLE, 0, AKEYCODE_A, KEY_A, AMETA_NONE, 0,
+                     ARBITRARY_TIME, ARBITRARY_TIME);
     ASSERT_EQ(INPUT_EVENT_INJECTION_FAILED, mDispatcher->injectInputEvent(
             &event,
             INJECTOR_PID, INJECTOR_UID, INPUT_EVENT_INJECTION_SYNC_NONE, 0, 0))
@@ -260,10 +260,10 @@
     constexpr MotionClassification classification = MotionClassification::NONE;
 
     // Rejects undefined motion actions.
-    event.initialize(DEVICE_ID, source, DISPLAY_ID,
-                     /*action*/ -1, 0, 0, edgeFlags, metaState, 0, classification, 0, 0, 0, 0,
-                     AMOTION_EVENT_INVALID_CURSOR_POSITION, AMOTION_EVENT_INVALID_CURSOR_POSITION,
-                     ARBITRARY_TIME, ARBITRARY_TIME,
+    event.initialize(DEVICE_ID, source, DISPLAY_ID, INVALID_HMAC,
+                     /*action*/ -1, 0, 0, edgeFlags, metaState, 0, classification, 1 /* xScale */,
+                     1 /* yScale */, 0, 0, 0, 0, AMOTION_EVENT_INVALID_CURSOR_POSITION,
+                     AMOTION_EVENT_INVALID_CURSOR_POSITION, ARBITRARY_TIME, ARBITRARY_TIME,
                      /*pointerCount*/ 1, pointerProperties, pointerCoords);
     ASSERT_EQ(INPUT_EVENT_INJECTION_FAILED, mDispatcher->injectInputEvent(
             &event,
@@ -271,24 +271,24 @@
             << "Should reject motion events with undefined action.";
 
     // Rejects pointer down with invalid index.
-    event.initialize(DEVICE_ID, source, DISPLAY_ID,
+    event.initialize(DEVICE_ID, source, DISPLAY_ID, INVALID_HMAC,
                      AMOTION_EVENT_ACTION_POINTER_DOWN |
                              (1 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT),
-                     0, 0, edgeFlags, metaState, 0, classification, 0, 0, 0, 0,
-                     AMOTION_EVENT_INVALID_CURSOR_POSITION, AMOTION_EVENT_INVALID_CURSOR_POSITION,
-                     ARBITRARY_TIME, ARBITRARY_TIME,
+                     0, 0, edgeFlags, metaState, 0, classification, 1 /* xScale */, 1 /* yScale */,
+                     0, 0, 0, 0, AMOTION_EVENT_INVALID_CURSOR_POSITION,
+                     AMOTION_EVENT_INVALID_CURSOR_POSITION, ARBITRARY_TIME, ARBITRARY_TIME,
                      /*pointerCount*/ 1, pointerProperties, pointerCoords);
     ASSERT_EQ(INPUT_EVENT_INJECTION_FAILED, mDispatcher->injectInputEvent(
             &event,
             INJECTOR_PID, INJECTOR_UID, INPUT_EVENT_INJECTION_SYNC_NONE, 0, 0))
             << "Should reject motion events with pointer down index too large.";
 
-    event.initialize(DEVICE_ID, source, DISPLAY_ID,
+    event.initialize(DEVICE_ID, source, DISPLAY_ID, INVALID_HMAC,
                      AMOTION_EVENT_ACTION_POINTER_DOWN |
                              (~0U << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT),
-                     0, 0, edgeFlags, metaState, 0, classification, 0, 0, 0, 0,
-                     AMOTION_EVENT_INVALID_CURSOR_POSITION, AMOTION_EVENT_INVALID_CURSOR_POSITION,
-                     ARBITRARY_TIME, ARBITRARY_TIME,
+                     0, 0, edgeFlags, metaState, 0, classification, 1 /* xScale */, 1 /* yScale */,
+                     0, 0, 0, 0, AMOTION_EVENT_INVALID_CURSOR_POSITION,
+                     AMOTION_EVENT_INVALID_CURSOR_POSITION, ARBITRARY_TIME, ARBITRARY_TIME,
                      /*pointerCount*/ 1, pointerProperties, pointerCoords);
     ASSERT_EQ(INPUT_EVENT_INJECTION_FAILED, mDispatcher->injectInputEvent(
             &event,
@@ -296,24 +296,24 @@
             << "Should reject motion events with pointer down index too small.";
 
     // Rejects pointer up with invalid index.
-    event.initialize(DEVICE_ID, source, DISPLAY_ID,
+    event.initialize(DEVICE_ID, source, DISPLAY_ID, INVALID_HMAC,
                      AMOTION_EVENT_ACTION_POINTER_UP |
                              (1 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT),
-                     0, 0, edgeFlags, metaState, 0, classification, 0, 0, 0, 0,
-                     AMOTION_EVENT_INVALID_CURSOR_POSITION, AMOTION_EVENT_INVALID_CURSOR_POSITION,
-                     ARBITRARY_TIME, ARBITRARY_TIME,
+                     0, 0, edgeFlags, metaState, 0, classification, 1 /* xScale */, 1 /* yScale */,
+                     0, 0, 0, 0, AMOTION_EVENT_INVALID_CURSOR_POSITION,
+                     AMOTION_EVENT_INVALID_CURSOR_POSITION, ARBITRARY_TIME, ARBITRARY_TIME,
                      /*pointerCount*/ 1, pointerProperties, pointerCoords);
     ASSERT_EQ(INPUT_EVENT_INJECTION_FAILED, mDispatcher->injectInputEvent(
             &event,
             INJECTOR_PID, INJECTOR_UID, INPUT_EVENT_INJECTION_SYNC_NONE, 0, 0))
             << "Should reject motion events with pointer up index too large.";
 
-    event.initialize(DEVICE_ID, source, DISPLAY_ID,
+    event.initialize(DEVICE_ID, source, DISPLAY_ID, INVALID_HMAC,
                      AMOTION_EVENT_ACTION_POINTER_UP |
                              (~0U << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT),
-                     0, 0, edgeFlags, metaState, 0, classification, 0, 0, 0, 0,
-                     AMOTION_EVENT_INVALID_CURSOR_POSITION, AMOTION_EVENT_INVALID_CURSOR_POSITION,
-                     ARBITRARY_TIME, ARBITRARY_TIME,
+                     0, 0, edgeFlags, metaState, 0, classification, 1 /* xScale */, 1 /* yScale */,
+                     0, 0, 0, 0, AMOTION_EVENT_INVALID_CURSOR_POSITION,
+                     AMOTION_EVENT_INVALID_CURSOR_POSITION, ARBITRARY_TIME, ARBITRARY_TIME,
                      /*pointerCount*/ 1, pointerProperties, pointerCoords);
     ASSERT_EQ(INPUT_EVENT_INJECTION_FAILED, mDispatcher->injectInputEvent(
             &event,
@@ -321,20 +321,20 @@
             << "Should reject motion events with pointer up index too small.";
 
     // Rejects motion events with invalid number of pointers.
-    event.initialize(DEVICE_ID, source, DISPLAY_ID, AMOTION_EVENT_ACTION_DOWN, 0, 0, edgeFlags,
-                     metaState, 0, classification, 0, 0, 0, 0,
-                     AMOTION_EVENT_INVALID_CURSOR_POSITION, AMOTION_EVENT_INVALID_CURSOR_POSITION,
-                     ARBITRARY_TIME, ARBITRARY_TIME,
+    event.initialize(DEVICE_ID, source, DISPLAY_ID, INVALID_HMAC, AMOTION_EVENT_ACTION_DOWN, 0, 0,
+                     edgeFlags, metaState, 0, classification, 1 /* xScale */, 1 /* yScale */, 0, 0,
+                     0, 0, AMOTION_EVENT_INVALID_CURSOR_POSITION,
+                     AMOTION_EVENT_INVALID_CURSOR_POSITION, ARBITRARY_TIME, ARBITRARY_TIME,
                      /*pointerCount*/ 0, pointerProperties, pointerCoords);
     ASSERT_EQ(INPUT_EVENT_INJECTION_FAILED, mDispatcher->injectInputEvent(
             &event,
             INJECTOR_PID, INJECTOR_UID, INPUT_EVENT_INJECTION_SYNC_NONE, 0, 0))
             << "Should reject motion events with 0 pointers.";
 
-    event.initialize(DEVICE_ID, source, DISPLAY_ID, AMOTION_EVENT_ACTION_DOWN, 0, 0, edgeFlags,
-                     metaState, 0, classification, 0, 0, 0, 0,
-                     AMOTION_EVENT_INVALID_CURSOR_POSITION, AMOTION_EVENT_INVALID_CURSOR_POSITION,
-                     ARBITRARY_TIME, ARBITRARY_TIME,
+    event.initialize(DEVICE_ID, source, DISPLAY_ID, INVALID_HMAC, AMOTION_EVENT_ACTION_DOWN, 0, 0,
+                     edgeFlags, metaState, 0, classification, 1 /* xScale */, 1 /* yScale */, 0, 0,
+                     0, 0, AMOTION_EVENT_INVALID_CURSOR_POSITION,
+                     AMOTION_EVENT_INVALID_CURSOR_POSITION, ARBITRARY_TIME, ARBITRARY_TIME,
                      /*pointerCount*/ MAX_POINTERS + 1, pointerProperties, pointerCoords);
     ASSERT_EQ(INPUT_EVENT_INJECTION_FAILED, mDispatcher->injectInputEvent(
             &event,
@@ -343,10 +343,10 @@
 
     // Rejects motion events with invalid pointer ids.
     pointerProperties[0].id = -1;
-    event.initialize(DEVICE_ID, source, DISPLAY_ID, AMOTION_EVENT_ACTION_DOWN, 0, 0, edgeFlags,
-                     metaState, 0, classification, 0, 0, 0, 0,
-                     AMOTION_EVENT_INVALID_CURSOR_POSITION, AMOTION_EVENT_INVALID_CURSOR_POSITION,
-                     ARBITRARY_TIME, ARBITRARY_TIME,
+    event.initialize(DEVICE_ID, source, DISPLAY_ID, INVALID_HMAC, AMOTION_EVENT_ACTION_DOWN, 0, 0,
+                     edgeFlags, metaState, 0, classification, 1 /* xScale */, 1 /* yScale */, 0, 0,
+                     0, 0, AMOTION_EVENT_INVALID_CURSOR_POSITION,
+                     AMOTION_EVENT_INVALID_CURSOR_POSITION, ARBITRARY_TIME, ARBITRARY_TIME,
                      /*pointerCount*/ 1, pointerProperties, pointerCoords);
     ASSERT_EQ(INPUT_EVENT_INJECTION_FAILED, mDispatcher->injectInputEvent(
             &event,
@@ -354,10 +354,10 @@
             << "Should reject motion events with pointer ids less than 0.";
 
     pointerProperties[0].id = MAX_POINTER_ID + 1;
-    event.initialize(DEVICE_ID, source, DISPLAY_ID, AMOTION_EVENT_ACTION_DOWN, 0, 0, edgeFlags,
-                     metaState, 0, classification, 0, 0, 0, 0,
-                     AMOTION_EVENT_INVALID_CURSOR_POSITION, AMOTION_EVENT_INVALID_CURSOR_POSITION,
-                     ARBITRARY_TIME, ARBITRARY_TIME,
+    event.initialize(DEVICE_ID, source, DISPLAY_ID, INVALID_HMAC, AMOTION_EVENT_ACTION_DOWN, 0, 0,
+                     edgeFlags, metaState, 0, classification, 1 /* xScale */, 1 /* yScale */, 0, 0,
+                     0, 0, AMOTION_EVENT_INVALID_CURSOR_POSITION,
+                     AMOTION_EVENT_INVALID_CURSOR_POSITION, ARBITRARY_TIME, ARBITRARY_TIME,
                      /*pointerCount*/ 1, pointerProperties, pointerCoords);
     ASSERT_EQ(INPUT_EVENT_INJECTION_FAILED, mDispatcher->injectInputEvent(
             &event,
@@ -367,10 +367,10 @@
     // Rejects motion events with duplicate pointer ids.
     pointerProperties[0].id = 1;
     pointerProperties[1].id = 1;
-    event.initialize(DEVICE_ID, source, DISPLAY_ID, AMOTION_EVENT_ACTION_DOWN, 0, 0, edgeFlags,
-                     metaState, 0, classification, 0, 0, 0, 0,
-                     AMOTION_EVENT_INVALID_CURSOR_POSITION, AMOTION_EVENT_INVALID_CURSOR_POSITION,
-                     ARBITRARY_TIME, ARBITRARY_TIME,
+    event.initialize(DEVICE_ID, source, DISPLAY_ID, INVALID_HMAC, AMOTION_EVENT_ACTION_DOWN, 0, 0,
+                     edgeFlags, metaState, 0, classification, 1 /* xScale */, 1 /* yScale */, 0, 0,
+                     0, 0, AMOTION_EVENT_INVALID_CURSOR_POSITION,
+                     AMOTION_EVENT_INVALID_CURSOR_POSITION, ARBITRARY_TIME, ARBITRARY_TIME,
                      /*pointerCount*/ 2, pointerProperties, pointerCoords);
     ASSERT_EQ(INPUT_EVENT_INJECTION_FAILED, mDispatcher->injectInputEvent(
             &event,
@@ -645,9 +645,9 @@
     nsecs_t currentTime = systemTime(SYSTEM_TIME_MONOTONIC);
 
     // Define a valid key down event.
-    event.initialize(DEVICE_ID, AINPUT_SOURCE_KEYBOARD, displayId,
-            AKEY_EVENT_ACTION_DOWN, /* flags */ 0,
-            AKEYCODE_A, KEY_A, AMETA_NONE, /* repeatCount */ 0, currentTime, currentTime);
+    event.initialize(DEVICE_ID, AINPUT_SOURCE_KEYBOARD, displayId, INVALID_HMAC,
+                     AKEY_EVENT_ACTION_DOWN, /* flags */ 0, AKEYCODE_A, KEY_A, AMETA_NONE,
+                     /* repeatCount */ 0, currentTime, currentTime);
 
     // Inject event until dispatch out.
     return dispatcher->injectInputEvent(
@@ -674,10 +674,12 @@
 
     nsecs_t currentTime = systemTime(SYSTEM_TIME_MONOTONIC);
     // Define a valid motion down event.
-    event.initialize(DEVICE_ID, source, displayId, action, /* actionButton */ 0, /* flags */ 0,
+    event.initialize(DEVICE_ID, source, displayId, INVALID_HMAC, action, /* actionButton */ 0,
+                     /* flags */ 0,
                      /* edgeFlags */ 0, AMETA_NONE, /* buttonState */ 0, MotionClassification::NONE,
-                     /* xOffset */ 0, /* yOffset */ 0, /* xPrecision */ 0,
-                     /* yPrecision */ 0, xCursorPosition, yCursorPosition, currentTime, currentTime,
+                     /* xScale */ 1, /* yScale */ 1, /* xOffset */ 0, /* yOffset */ 0,
+                     /* xPrecision */ 0, /* yPrecision */ 0, xCursorPosition, yCursorPosition,
+                     currentTime, currentTime,
                      /*pointerCount*/ 1, pointerProperties, pointerCoords);
 
     // Inject event until dispatch out.