diff --git a/libs/input/Input.cpp b/libs/input/Input.cpp
index 2ac079e..fc73de3 100644
--- a/libs/input/Input.cpp
+++ b/libs/input/Input.cpp
@@ -325,10 +325,10 @@
 void MotionEvent::initialize(int32_t id, int32_t deviceId, uint32_t source, int32_t displayId,
                              std::array<uint8_t, 32> hmac, int32_t action, int32_t actionButton,
                              int32_t flags, int32_t edgeFlags, int32_t metaState,
-                             int32_t buttonState, MotionClassification classification, float xScale,
-                             float yScale, float xOffset, float yOffset, float xPrecision,
-                             float yPrecision, float rawXCursorPosition, float rawYCursorPosition,
-                             nsecs_t downTime, nsecs_t eventTime, size_t pointerCount,
+                             int32_t buttonState, MotionClassification classification,
+                             const ui::Transform& transform, float xPrecision, float yPrecision,
+                             float rawXCursorPosition, float rawYCursorPosition, nsecs_t downTime,
+                             nsecs_t eventTime, size_t pointerCount,
                              const PointerProperties* pointerProperties,
                              const PointerCoords* pointerCoords) {
     InputEvent::initialize(id, deviceId, source, displayId, hmac);
@@ -339,10 +339,7 @@
     mMetaState = metaState;
     mButtonState = buttonState;
     mClassification = classification;
-    mXScale = xScale;
-    mYScale = yScale;
-    mXOffset = xOffset;
-    mYOffset = yOffset;
+    mTransform = transform;
     mXPrecision = xPrecision;
     mYPrecision = yPrecision;
     mRawXCursorPosition = rawXCursorPosition;
@@ -365,10 +362,7 @@
     mMetaState = other->mMetaState;
     mButtonState = other->mButtonState;
     mClassification = other->mClassification;
-    mXScale = other->mXScale;
-    mYScale = other->mYScale;
-    mXOffset = other->mXOffset;
-    mYOffset = other->mYOffset;
+    mTransform = other->mTransform;
     mXPrecision = other->mXPrecision;
     mYPrecision = other->mYPrecision;
     mRawXCursorPosition = other->mRawXCursorPosition;
@@ -398,18 +392,20 @@
 }
 
 float MotionEvent::getXCursorPosition() const {
-    const float rawX = getRawXCursorPosition();
-    return rawX * mXScale + mXOffset;
+    vec2 vals = mTransform.transform(getRawXCursorPosition(), getRawYCursorPosition());
+    return vals.x;
 }
 
 float MotionEvent::getYCursorPosition() const {
-    const float rawY = getRawYCursorPosition();
-    return rawY * mYScale + mYOffset;
+    vec2 vals = mTransform.transform(getRawXCursorPosition(), getRawYCursorPosition());
+    return vals.y;
 }
 
 void MotionEvent::setCursorPosition(float x, float y) {
-    mRawXCursorPosition = (x - mXOffset) / mXScale;
-    mRawYCursorPosition = (y - mYOffset) / mYScale;
+    ui::Transform inverse = mTransform.inverse();
+    vec2 vals = inverse.transform(x, y);
+    mRawXCursorPosition = vals.x;
+    mRawYCursorPosition = vals.y;
 }
 
 const PointerCoords* MotionEvent::getRawPointerCoords(size_t pointerIndex) const {
@@ -421,14 +417,7 @@
 }
 
 float MotionEvent::getAxisValue(int32_t axis, size_t pointerIndex) const {
-    float value = getRawPointerCoords(pointerIndex)->getAxisValue(axis);
-    switch (axis) {
-    case AMOTION_EVENT_AXIS_X:
-        return value * mXScale + mXOffset;
-    case AMOTION_EVENT_AXIS_Y:
-        return value * mYScale + mYOffset;
-    }
-    return value;
+    return getHistoricalAxisValue(axis, pointerIndex, getHistorySize());
 }
 
 const PointerCoords* MotionEvent::getHistoricalRawPointerCoords(
@@ -443,14 +432,23 @@
 
 float MotionEvent::getHistoricalAxisValue(int32_t axis, size_t pointerIndex,
         size_t historicalIndex) const {
-    float value = getHistoricalRawPointerCoords(pointerIndex, historicalIndex)->getAxisValue(axis);
+    if (axis != AMOTION_EVENT_AXIS_X && axis != AMOTION_EVENT_AXIS_Y) {
+        return getHistoricalRawPointerCoords(pointerIndex, historicalIndex)->getAxisValue(axis);
+    }
+
+    float rawX = getHistoricalRawPointerCoords(pointerIndex, historicalIndex)->getX();
+    float rawY = getHistoricalRawPointerCoords(pointerIndex, historicalIndex)->getY();
+    vec2 vals = mTransform.transform(rawX, rawY);
+
     switch (axis) {
     case AMOTION_EVENT_AXIS_X:
-        return value * mXScale + mXOffset;
+        return vals.x;
     case AMOTION_EVENT_AXIS_Y:
-        return value * mYScale + mYOffset;
+        return vals.y;
     }
-    return value;
+
+    // This should never happen
+    return 0;
 }
 
 ssize_t MotionEvent::findPointerIndex(int32_t pointerId) const {
@@ -464,23 +462,24 @@
 }
 
 void MotionEvent::offsetLocation(float xOffset, float yOffset) {
-    mXOffset += xOffset;
-    mYOffset += yOffset;
+    float currXOffset = mTransform.tx();
+    float currYOffset = mTransform.ty();
+    mTransform.set(currXOffset + xOffset, currYOffset + yOffset);
 }
 
 void MotionEvent::scale(float globalScaleFactor) {
-    mXOffset *= globalScaleFactor;
-    mYOffset *= globalScaleFactor;
+    mTransform.set(mTransform.tx() * globalScaleFactor, mTransform.ty() * globalScaleFactor);
     mXPrecision *= globalScaleFactor;
     mYPrecision *= globalScaleFactor;
 
     size_t numSamples = mSamplePointerCoords.size();
     for (size_t i = 0; i < numSamples; i++) {
-        mSamplePointerCoords.editItemAt(i).scale(globalScaleFactor);
+        mSamplePointerCoords.editItemAt(i).scale(globalScaleFactor, globalScaleFactor,
+                                                 globalScaleFactor);
     }
 }
 
-static void transformPoint(const float matrix[9], float x, float y, float *outX, float *outY) {
+static vec2 transformPoint(const std::array<float, 9>& matrix, float x, float y) {
     // Apply perspective transform like Skia.
     float newX = matrix[0] * x + matrix[1] * y + matrix[2];
     float newY = matrix[3] * x + matrix[4] * y + matrix[5];
@@ -488,22 +487,25 @@
     if (newZ) {
         newZ = 1.0f / newZ;
     }
-    *outX = newX * newZ;
-    *outY = newY * newZ;
+    vec2 transformedPoint;
+    transformedPoint.x = newX * newZ;
+    transformedPoint.y = newY * newZ;
+    return transformedPoint;
 }
 
-static float transformAngle(const float matrix[9], float angleRadians,
-        float originX, float originY) {
+static float transformAngle(const std::array<float, 9>& matrix, float angleRadians, float originX,
+                            float originY) {
     // Construct and transform a vector oriented at the specified clockwise angle from vertical.
     // Coordinate system: down is increasing Y, right is increasing X.
     float x = sinf(angleRadians);
     float y = -cosf(angleRadians);
-    transformPoint(matrix, x, y, &x, &y);
-    x -= originX;
-    y -= originY;
+    vec2 transformedPoint = transformPoint(matrix, x, y);
+
+    transformedPoint.x -= originX;
+    transformedPoint.y -= originY;
 
     // Derive the transformed vector's clockwise angle from vertical.
-    float result = atan2f(x, -y);
+    float result = atan2f(transformedPoint.x, -transformedPoint.y);
     if (result < - M_PI_2) {
         result += M_PI;
     } else if (result > M_PI_2) {
@@ -512,51 +514,51 @@
     return result;
 }
 
-void MotionEvent::transform(const float matrix[9]) {
-    // The tricky part of this implementation is to preserve the value of
-    // rawX and rawY.  So we apply the transformation to the first point
-    // then derive an appropriate new X/Y offset that will preserve rawX
-     // and rawY for that point.
-    float oldXOffset = mXOffset;
-    float oldYOffset = mYOffset;
-    float newX, newY;
-    float scaledRawX = getRawX(0) * mXScale;
-    float scaledRawY = getRawY(0) * mYScale;
-    transformPoint(matrix, scaledRawX + oldXOffset, scaledRawY + oldYOffset, &newX, &newY);
-    mXOffset = newX - scaledRawX;
-    mYOffset = newY - scaledRawY;
+void MotionEvent::transform(const std::array<float, 9>& matrix) {
+    // We want to preserve the rawX and rawY so we just update the transform
+    // using the values of the transform passed in
+    ui::Transform newTransform;
+    newTransform.set(matrix);
+    mTransform = newTransform * mTransform;
 
     // Determine how the origin is transformed by the matrix so that we
     // can transform orientation vectors.
-    float originX, originY;
-    transformPoint(matrix, 0, 0, &originX, &originY);
-
-    // Apply the transformation to cursor position.
-    if (isValidCursorPosition(mRawXCursorPosition, mRawYCursorPosition)) {
-        float x = mRawXCursorPosition * mXScale + oldXOffset;
-        float y = mRawYCursorPosition * mYScale + oldYOffset;
-        transformPoint(matrix, x, y, &x, &y);
-        mRawXCursorPosition = (x - mXOffset) / mXScale;
-        mRawYCursorPosition = (y - mYOffset) / mYScale;
-    }
+    vec2 origin = transformPoint(matrix, 0, 0);
 
     // Apply the transformation to all samples.
     size_t numSamples = mSamplePointerCoords.size();
     for (size_t i = 0; i < numSamples; i++) {
         PointerCoords& c = mSamplePointerCoords.editItemAt(i);
-        float x = c.getAxisValue(AMOTION_EVENT_AXIS_X) * mXScale + oldXOffset;
-        float y = c.getAxisValue(AMOTION_EVENT_AXIS_Y) * mYScale + oldYOffset;
-        transformPoint(matrix, x, y, &x, &y);
-        c.setAxisValue(AMOTION_EVENT_AXIS_X, (x - mXOffset) / mXScale);
-        c.setAxisValue(AMOTION_EVENT_AXIS_Y, (y - mYOffset) / mYScale);
-
         float orientation = c.getAxisValue(AMOTION_EVENT_AXIS_ORIENTATION);
         c.setAxisValue(AMOTION_EVENT_AXIS_ORIENTATION,
-                transformAngle(matrix, orientation, originX, originY));
+                       transformAngle(matrix, orientation, origin.x, origin.y));
     }
 }
 
 #ifdef __ANDROID__
+static status_t readFromParcel(ui::Transform& transform, const Parcel& parcel) {
+    float dsdx, dtdx, tx, dtdy, dsdy, ty;
+    status_t status = parcel.readFloat(&dsdx);
+    status |= parcel.readFloat(&dtdx);
+    status |= parcel.readFloat(&tx);
+    status |= parcel.readFloat(&dtdy);
+    status |= parcel.readFloat(&dsdy);
+    status |= parcel.readFloat(&ty);
+
+    transform.set({dsdx, dtdx, tx, dtdy, dsdy, ty, 0, 0, 1});
+    return status;
+}
+
+static status_t writeToParcel(const ui::Transform& transform, Parcel& parcel) {
+    status_t status = parcel.writeFloat(transform.dsdx());
+    status |= parcel.writeFloat(transform.dtdx());
+    status |= parcel.writeFloat(transform.tx());
+    status |= parcel.writeFloat(transform.dtdy());
+    status |= parcel.writeFloat(transform.dsdy());
+    status |= parcel.writeFloat(transform.ty());
+    return status;
+}
+
 status_t MotionEvent::readFromParcel(Parcel* parcel) {
     size_t pointerCount = parcel->readInt32();
     size_t sampleCount = parcel->readInt32();
@@ -582,10 +584,11 @@
     mMetaState = parcel->readInt32();
     mButtonState = parcel->readInt32();
     mClassification = static_cast<MotionClassification>(parcel->readByte());
-    mXScale = parcel->readFloat();
-    mYScale = parcel->readFloat();
-    mXOffset = parcel->readFloat();
-    mYOffset = parcel->readFloat();
+
+    result = android::readFromParcel(mTransform, *parcel);
+    if (result != OK) {
+        return result;
+    }
     mXPrecision = parcel->readFloat();
     mYPrecision = parcel->readFloat();
     mRawXCursorPosition = parcel->readFloat();
@@ -640,10 +643,11 @@
     parcel->writeInt32(mMetaState);
     parcel->writeInt32(mButtonState);
     parcel->writeByte(static_cast<int8_t>(mClassification));
-    parcel->writeFloat(mXScale);
-    parcel->writeFloat(mYScale);
-    parcel->writeFloat(mXOffset);
-    parcel->writeFloat(mYOffset);
+
+    status_t result = android::writeToParcel(mTransform, *parcel);
+    if (result != OK) {
+        return result;
+    }
     parcel->writeFloat(mXPrecision);
     parcel->writeFloat(mYPrecision);
     parcel->writeFloat(mRawXCursorPosition);
diff --git a/libs/input/InputTransport.cpp b/libs/input/InputTransport.cpp
index 8dcc415..b088ee7 100644
--- a/libs/input/InputTransport.cpp
+++ b/libs/input/InputTransport.cpp
@@ -195,14 +195,14 @@
             msg->body.motion.edgeFlags = body.motion.edgeFlags;
             // nsecs_t downTime
             msg->body.motion.downTime = body.motion.downTime;
-            // float xScale
-            msg->body.motion.xScale = body.motion.xScale;
-            // float yScale
-            msg->body.motion.yScale = body.motion.yScale;
-            // float xOffset
-            msg->body.motion.xOffset = body.motion.xOffset;
-            // float yOffset
-            msg->body.motion.yOffset = body.motion.yOffset;
+
+            msg->body.motion.dsdx = body.motion.dsdx;
+            msg->body.motion.dtdx = body.motion.dtdx;
+            msg->body.motion.dtdy = body.motion.dtdy;
+            msg->body.motion.dsdy = body.motion.dsdy;
+            msg->body.motion.tx = body.motion.tx;
+            msg->body.motion.ty = body.motion.ty;
+
             // float xPrecision
             msg->body.motion.xPrecision = body.motion.xPrecision;
             // float yPrecision
@@ -469,10 +469,10 @@
         uint32_t seq, int32_t eventId, int32_t deviceId, int32_t source, int32_t displayId,
         std::array<uint8_t, 32> hmac, int32_t action, int32_t actionButton, int32_t flags,
         int32_t edgeFlags, int32_t metaState, int32_t buttonState,
-        MotionClassification classification, float xScale, float yScale, float xOffset,
-        float yOffset, float xPrecision, float yPrecision, float xCursorPosition,
-        float yCursorPosition, nsecs_t downTime, nsecs_t eventTime, uint32_t pointerCount,
-        const PointerProperties* pointerProperties, const PointerCoords* pointerCoords) {
+        MotionClassification classification, const ui::Transform& transform, float xPrecision,
+        float yPrecision, float xCursorPosition, float yCursorPosition, nsecs_t downTime,
+        nsecs_t eventTime, uint32_t pointerCount, const PointerProperties* pointerProperties,
+        const PointerCoords* pointerCoords) {
     if (ATRACE_ENABLED()) {
         std::string message = StringPrintf(
                 "publishMotionEvent(inputChannel=%s, action=%" PRId32 ")",
@@ -480,17 +480,18 @@
         ATRACE_NAME(message.c_str());
     }
     if (DEBUG_TRANSPORT_ACTIONS) {
+        std::string transformString;
+        transform.dump(transformString, "");
         ALOGD("channel '%s' publisher ~ publishMotionEvent: seq=%u, deviceId=%d, source=0x%x, "
               "displayId=%" PRId32 ", "
               "action=0x%x, actionButton=0x%08x, flags=0x%x, edgeFlags=0x%x, "
-              "metaState=0x%x, buttonState=0x%x, classification=%s, xScale=%.1f, yScale=%.1f, "
-              "xOffset=%.1f, yOffset=%.1f, "
+              "metaState=0x%x, buttonState=0x%x, classification=%s,"
               "xPrecision=%f, yPrecision=%f, downTime=%" PRId64 ", eventTime=%" PRId64 ", "
-              "pointerCount=%" PRIu32,
+              "pointerCount=%" PRIu32 " transform=%s",
               mChannel->getName().c_str(), seq, deviceId, source, displayId, action, actionButton,
               flags, edgeFlags, metaState, buttonState,
-              motionClassificationToString(classification), xScale, yScale, xOffset, yOffset,
-              xPrecision, yPrecision, downTime, eventTime, pointerCount);
+              motionClassificationToString(classification), xPrecision, yPrecision, downTime,
+              eventTime, pointerCount, transformString.c_str());
     }
 
     if (!seq) {
@@ -519,10 +520,12 @@
     msg.body.motion.metaState = metaState;
     msg.body.motion.buttonState = buttonState;
     msg.body.motion.classification = classification;
-    msg.body.motion.xScale = xScale;
-    msg.body.motion.yScale = yScale;
-    msg.body.motion.xOffset = xOffset;
-    msg.body.motion.yOffset = yOffset;
+    msg.body.motion.dsdx = transform.dsdx();
+    msg.body.motion.dtdx = transform.dtdx();
+    msg.body.motion.dtdy = transform.dtdy();
+    msg.body.motion.dsdy = transform.dsdy();
+    msg.body.motion.tx = transform.tx();
+    msg.body.motion.ty = transform.ty();
     msg.body.motion.xPrecision = xPrecision;
     msg.body.motion.yPrecision = yPrecision;
     msg.body.motion.xCursorPosition = xCursorPosition;
@@ -1166,16 +1169,18 @@
         pointerCoords[i].copyFrom(msg->body.motion.pointers[i].coords);
     }
 
+    ui::Transform transform;
+    transform.set({msg->body.motion.dsdx, msg->body.motion.dtdx, msg->body.motion.tx,
+                   msg->body.motion.dtdy, msg->body.motion.dsdy, msg->body.motion.ty, 0, 0, 1});
     event->initialize(msg->body.motion.eventId, msg->body.motion.deviceId, msg->body.motion.source,
                       msg->body.motion.displayId, msg->body.motion.hmac, msg->body.motion.action,
                       msg->body.motion.actionButton, msg->body.motion.flags,
                       msg->body.motion.edgeFlags, msg->body.motion.metaState,
-                      msg->body.motion.buttonState, msg->body.motion.classification,
-                      msg->body.motion.xScale, msg->body.motion.yScale, msg->body.motion.xOffset,
-                      msg->body.motion.yOffset, msg->body.motion.xPrecision,
-                      msg->body.motion.yPrecision, msg->body.motion.xCursorPosition,
-                      msg->body.motion.yCursorPosition, msg->body.motion.downTime,
-                      msg->body.motion.eventTime, pointerCount, pointerProperties, pointerCoords);
+                      msg->body.motion.buttonState, msg->body.motion.classification, transform,
+                      msg->body.motion.xPrecision, msg->body.motion.yPrecision,
+                      msg->body.motion.xCursorPosition, msg->body.motion.yCursorPosition,
+                      msg->body.motion.downTime, msg->body.motion.eventTime, pointerCount,
+                      pointerProperties, pointerCoords);
 }
 
 void InputConsumer::addSample(MotionEvent* event, const InputMessage* msg) {
diff --git a/libs/input/InputWindow.cpp b/libs/input/InputWindow.cpp
index 116b963..51190a0 100644
--- a/libs/input/InputWindow.cpp
+++ b/libs/input/InputWindow.cpp
@@ -174,7 +174,7 @@
     }
 
     touchableRegionCropHandle = parcel->readStrongBinder();
-    transform.set(std::array<float, 9>{dsdx, dtdx, tx, dtdy, dsdy, ty, 0, 0, 1});
+    transform.set({dsdx, dtdx, tx, dtdy, dsdy, ty, 0, 0, 1});
 
     return OK;
 }
diff --git a/libs/input/tests/InputEvent_test.cpp b/libs/input/tests/InputEvent_test.cpp
index 553dc4c..069bc0e 100644
--- a/libs/input/tests/InputEvent_test.cpp
+++ b/libs/input/tests/InputEvent_test.cpp
@@ -225,6 +225,7 @@
     static constexpr float Y_OFFSET = 1.1;
 
     int32_t mId;
+    ui::Transform mTransform;
 
     void initializeEventWithHistory(MotionEvent* event);
     void assertEqualsEventWithHistory(const MotionEvent* event);
@@ -233,6 +234,7 @@
 
 void MotionEventTest::initializeEventWithHistory(MotionEvent* event) {
     mId = InputEvent::nextId();
+    mTransform.set({X_SCALE, 0, X_OFFSET, 0, Y_SCALE, Y_OFFSET, 0, 0, 1});
 
     PointerProperties pointerProperties[2];
     pointerProperties[0].clear();
@@ -266,7 +268,7 @@
     event->initialize(mId, 2, AINPUT_SOURCE_TOUCHSCREEN, DISPLAY_ID, HMAC,
                       AMOTION_EVENT_ACTION_MOVE, 0, AMOTION_EVENT_FLAG_WINDOW_IS_OBSCURED,
                       AMOTION_EVENT_EDGE_FLAG_TOP, AMETA_ALT_ON, AMOTION_EVENT_BUTTON_PRIMARY,
-                      MotionClassification::NONE, X_SCALE, Y_SCALE, X_OFFSET, Y_OFFSET, 2.0f, 2.1f,
+                      MotionClassification::NONE, mTransform, 2.0f, 2.1f,
                       AMOTION_EVENT_INVALID_CURSOR_POSITION, AMOTION_EVENT_INVALID_CURSOR_POSITION,
                       ARBITRARY_DOWN_TIME, ARBITRARY_EVENT_TIME, 2, pointerProperties,
                       pointerCoords);
@@ -326,8 +328,7 @@
     ASSERT_EQ(AMETA_ALT_ON, event->getMetaState());
     ASSERT_EQ(AMOTION_EVENT_BUTTON_PRIMARY, event->getButtonState());
     ASSERT_EQ(MotionClassification::NONE, event->getClassification());
-    EXPECT_EQ(X_SCALE, event->getXScale());
-    EXPECT_EQ(Y_SCALE, event->getYScale());
+    EXPECT_EQ(mTransform, event->getTransform());
     ASSERT_EQ(X_OFFSET, event->getXOffset());
     ASSERT_EQ(Y_OFFSET, event->getYOffset());
     ASSERT_EQ(2.0f, event->getXPrecision());
@@ -545,7 +546,7 @@
     ASSERT_NO_FATAL_FAILURE(assertEqualsEventWithHistory(&outEvent));
 }
 
-static void setRotationMatrix(float matrix[9], float angle) {
+static void setRotationMatrix(std::array<float, 9>& matrix, float angle) {
     float sin = sinf(angle);
     float cos = cosf(angle);
     matrix[0] = cos;
@@ -584,13 +585,14 @@
         pointerCoords[i].setAxisValue(AMOTION_EVENT_AXIS_ORIENTATION, angle);
     }
     MotionEvent event;
+    ui::Transform identityTransform;
     event.initialize(InputEvent::nextId(), 0 /*deviceId*/, AINPUT_SOURCE_UNKNOWN, DISPLAY_ID,
                      INVALID_HMAC, AMOTION_EVENT_ACTION_MOVE, 0 /*actionButton*/, 0 /*flags*/,
                      AMOTION_EVENT_EDGE_FLAG_NONE, AMETA_NONE, 0 /*buttonState*/,
-                     MotionClassification::NONE, 1 /*xScale*/, 1 /*yScale*/, 0 /*xOffset*/,
-                     0 /*yOffset*/, 0 /*xPrecision*/, 0 /*yPrecision*/,
-                     3 + RADIUS /*xCursorPosition*/, 2 /*yCursorPosition*/, 0 /*downTime*/,
-                     0 /*eventTime*/, pointerCount, pointerProperties, pointerCoords);
+                     MotionClassification::NONE, identityTransform, 0 /*xPrecision*/,
+                     0 /*yPrecision*/, 3 + RADIUS /*xCursorPosition*/, 2 /*yCursorPosition*/,
+                     0 /*downTime*/, 0 /*eventTime*/, pointerCount, pointerProperties,
+                     pointerCoords);
     float originalRawX = 0 + 3;
     float originalRawY = -RADIUS + 2;
 
@@ -606,7 +608,7 @@
     ASSERT_NEAR(originalRawY, event.getRawY(0), 0.001);
 
     // Apply a rotation about the origin by ROTATION degrees clockwise.
-    float matrix[9];
+    std::array<float, 9> matrix;
     setRotationMatrix(matrix, ROTATION * PI_180);
     event.transform(matrix);
 
@@ -648,11 +650,12 @@
         pointerCoords[i].clear();
     }
 
+    ui::Transform identityTransform;
     for (MotionClassification classification : classifications) {
         event.initialize(InputEvent::nextId(), 0 /*deviceId*/, AINPUT_SOURCE_TOUCHSCREEN,
                          DISPLAY_ID, INVALID_HMAC, AMOTION_EVENT_ACTION_DOWN, 0, 0,
-                         AMOTION_EVENT_EDGE_FLAG_NONE, AMETA_NONE, 0, classification, 1 /*xScale*/,
-                         1 /*yScale*/, 0, 0, 0, 0, AMOTION_EVENT_INVALID_CURSOR_POSITION,
+                         AMOTION_EVENT_EDGE_FLAG_NONE, AMETA_NONE, 0, classification,
+                         identityTransform, 0, 0, AMOTION_EVENT_INVALID_CURSOR_POSITION,
                          AMOTION_EVENT_INVALID_CURSOR_POSITION, 0 /*downTime*/, 0 /*eventTime*/,
                          pointerCount, pointerProperties, pointerCoords);
         ASSERT_EQ(classification, event.getClassification());
@@ -670,10 +673,11 @@
         pointerCoords[i].clear();
     }
 
+    ui::Transform identityTransform;
     event.initialize(InputEvent::nextId(), 0 /*deviceId*/, AINPUT_SOURCE_MOUSE, DISPLAY_ID,
                      INVALID_HMAC, AMOTION_EVENT_ACTION_DOWN, 0, 0, AMOTION_EVENT_EDGE_FLAG_NONE,
-                     AMETA_NONE, 0, MotionClassification::NONE, 1 /*xScale*/, 1 /*yScale*/, 0, 0, 0,
-                     0, 280 /*xCursorPosition*/, 540 /*yCursorPosition*/, 0 /*downTime*/,
+                     AMETA_NONE, 0, MotionClassification::NONE, identityTransform, 0, 0,
+                     280 /*xCursorPosition*/, 540 /*yCursorPosition*/, 0 /*downTime*/,
                      0 /*eventTime*/, pointerCount, pointerProperties, pointerCoords);
     event.offsetLocation(20, 60);
     ASSERT_EQ(280, event.getRawXCursorPosition());
diff --git a/libs/input/tests/InputPublisherAndConsumer_test.cpp b/libs/input/tests/InputPublisherAndConsumer_test.cpp
index 5ddc858..e1f2562 100644
--- a/libs/input/tests/InputPublisherAndConsumer_test.cpp
+++ b/libs/input/tests/InputPublisherAndConsumer_test.cpp
@@ -173,12 +173,13 @@
         pointerCoords[i].setAxisValue(AMOTION_EVENT_AXIS_ORIENTATION, 3.5 * i);
     }
 
+    ui::Transform transform;
+    transform.set({xScale, 0, xOffset, 0, yScale, yOffset, 0, 0, 1});
     status = mPublisher->publishMotionEvent(seq, eventId, deviceId, source, displayId, hmac, action,
                                             actionButton, flags, edgeFlags, metaState, buttonState,
-                                            classification, xScale, yScale, xOffset, yOffset,
-                                            xPrecision, yPrecision, xCursorPosition,
-                                            yCursorPosition, downTime, eventTime, pointerCount,
-                                            pointerProperties, pointerCoords);
+                                            classification, transform, xPrecision, yPrecision,
+                                            xCursorPosition, yCursorPosition, downTime, eventTime,
+                                            pointerCount, pointerProperties, pointerCoords);
     ASSERT_EQ(OK, status)
             << "publisher publishMotionEvent should return OK";
 
@@ -206,8 +207,7 @@
     EXPECT_EQ(metaState, motionEvent->getMetaState());
     EXPECT_EQ(buttonState, motionEvent->getButtonState());
     EXPECT_EQ(classification, motionEvent->getClassification());
-    EXPECT_EQ(xScale, motionEvent->getXScale());
-    EXPECT_EQ(yScale, motionEvent->getYScale());
+    EXPECT_EQ(transform, motionEvent->getTransform());
     EXPECT_EQ(xOffset, motionEvent->getXOffset());
     EXPECT_EQ(yOffset, motionEvent->getYOffset());
     EXPECT_EQ(xPrecision, motionEvent->getXPrecision());
@@ -326,10 +326,10 @@
         pointerCoords[i].clear();
     }
 
+    ui::Transform identityTransform;
     status = mPublisher->publishMotionEvent(0, InputEvent::nextId(), 0, 0, 0, INVALID_HMAC, 0, 0, 0,
-                                            0, 0, 0, MotionClassification::NONE, 1 /* xScale */,
-                                            1 /* yScale */, 0, 0, 0, 0,
-                                            AMOTION_EVENT_INVALID_CURSOR_POSITION,
+                                            0, 0, 0, MotionClassification::NONE, identityTransform,
+                                            0, 0, AMOTION_EVENT_INVALID_CURSOR_POSITION,
                                             AMOTION_EVENT_INVALID_CURSOR_POSITION, 0, 0,
                                             pointerCount, pointerProperties, pointerCoords);
     ASSERT_EQ(BAD_VALUE, status)
@@ -342,10 +342,10 @@
     PointerProperties pointerProperties[pointerCount];
     PointerCoords pointerCoords[pointerCount];
 
+    ui::Transform identityTransform;
     status = mPublisher->publishMotionEvent(1, InputEvent::nextId(), 0, 0, 0, INVALID_HMAC, 0, 0, 0,
-                                            0, 0, 0, MotionClassification::NONE, 1 /* xScale */,
-                                            1 /* yScale */, 0, 0, 0, 0,
-                                            AMOTION_EVENT_INVALID_CURSOR_POSITION,
+                                            0, 0, 0, MotionClassification::NONE, identityTransform,
+                                            0, 0, AMOTION_EVENT_INVALID_CURSOR_POSITION,
                                             AMOTION_EVENT_INVALID_CURSOR_POSITION, 0, 0,
                                             pointerCount, pointerProperties, pointerCoords);
     ASSERT_EQ(BAD_VALUE, status)
@@ -363,10 +363,10 @@
         pointerCoords[i].clear();
     }
 
+    ui::Transform identityTransform;
     status = mPublisher->publishMotionEvent(1, InputEvent::nextId(), 0, 0, 0, INVALID_HMAC, 0, 0, 0,
-                                            0, 0, 0, MotionClassification::NONE, 1 /* xScale */,
-                                            1 /* yScale */, 0, 0, 0, 0,
-                                            AMOTION_EVENT_INVALID_CURSOR_POSITION,
+                                            0, 0, 0, MotionClassification::NONE, identityTransform,
+                                            0, 0, AMOTION_EVENT_INVALID_CURSOR_POSITION,
                                             AMOTION_EVENT_INVALID_CURSOR_POSITION, 0, 0,
                                             pointerCount, pointerProperties, pointerCoords);
     ASSERT_EQ(BAD_VALUE, status)
diff --git a/libs/input/tests/InputWindow_test.cpp b/libs/input/tests/InputWindow_test.cpp
index 3da869b..1b58460 100644
--- a/libs/input/tests/InputWindow_test.cpp
+++ b/libs/input/tests/InputWindow_test.cpp
@@ -53,7 +53,7 @@
     i.frameBottom = 19;
     i.surfaceInset = 17;
     i.globalScaleFactor = 0.3;
-    i.transform.set(std::array<float, 9>{0.4, -1, 100, 0.5, 0, 40, 0, 0, 1});
+    i.transform.set({0.4, -1, 100, 0.5, 0, 40, 0, 0, 1});
     i.visible = false;
     i.canReceiveKeys = false;
     i.hasFocus = false;
diff --git a/libs/input/tests/StructLayout_test.cpp b/libs/input/tests/StructLayout_test.cpp
index 50be9ad..3c5fb22 100644
--- a/libs/input/tests/StructLayout_test.cpp
+++ b/libs/input/tests/StructLayout_test.cpp
@@ -62,16 +62,18 @@
   CHECK_OFFSET(InputMessage::Body::Motion, classification, 80);
   CHECK_OFFSET(InputMessage::Body::Motion, edgeFlags, 84);
   CHECK_OFFSET(InputMessage::Body::Motion, downTime, 88);
-  CHECK_OFFSET(InputMessage::Body::Motion, xScale, 96);
-  CHECK_OFFSET(InputMessage::Body::Motion, yScale, 100);
-  CHECK_OFFSET(InputMessage::Body::Motion, xOffset, 104);
-  CHECK_OFFSET(InputMessage::Body::Motion, yOffset, 108);
-  CHECK_OFFSET(InputMessage::Body::Motion, xPrecision, 112);
-  CHECK_OFFSET(InputMessage::Body::Motion, yPrecision, 116);
-  CHECK_OFFSET(InputMessage::Body::Motion, xCursorPosition, 120);
-  CHECK_OFFSET(InputMessage::Body::Motion, yCursorPosition, 124);
-  CHECK_OFFSET(InputMessage::Body::Motion, pointerCount, 128);
-  CHECK_OFFSET(InputMessage::Body::Motion, pointers, 136);
+  CHECK_OFFSET(InputMessage::Body::Motion, dsdx, 96);
+  CHECK_OFFSET(InputMessage::Body::Motion, dtdx, 100);
+  CHECK_OFFSET(InputMessage::Body::Motion, dtdy, 104);
+  CHECK_OFFSET(InputMessage::Body::Motion, dsdy, 108);
+  CHECK_OFFSET(InputMessage::Body::Motion, tx, 112);
+  CHECK_OFFSET(InputMessage::Body::Motion, ty, 116);
+  CHECK_OFFSET(InputMessage::Body::Motion, xPrecision, 120);
+  CHECK_OFFSET(InputMessage::Body::Motion, yPrecision, 124);
+  CHECK_OFFSET(InputMessage::Body::Motion, xCursorPosition, 128);
+  CHECK_OFFSET(InputMessage::Body::Motion, yCursorPosition, 132);
+  CHECK_OFFSET(InputMessage::Body::Motion, pointerCount, 136);
+  CHECK_OFFSET(InputMessage::Body::Motion, pointers, 144);
 
   CHECK_OFFSET(InputMessage::Body::Focus, eventId, 0);
   CHECK_OFFSET(InputMessage::Body::Focus, hasFocus, 4);
diff --git a/libs/input/tests/VelocityTracker_test.cpp b/libs/input/tests/VelocityTracker_test.cpp
index 249d9d4..e7db4b0 100644
--- a/libs/input/tests/VelocityTracker_test.cpp
+++ b/libs/input/tests/VelocityTracker_test.cpp
@@ -176,12 +176,12 @@
         EXPECT_EQ(pointerIndex, pointerCount);
 
         MotionEvent event;
+        ui::Transform identityTransform;
         event.initialize(InputEvent::nextId(), 0 /*deviceId*/, AINPUT_SOURCE_TOUCHSCREEN,
                          DISPLAY_ID, INVALID_HMAC, action, 0 /*actionButton*/, 0 /*flags*/,
                          AMOTION_EVENT_EDGE_FLAG_NONE, AMETA_NONE, 0 /*buttonState*/,
-                         MotionClassification::NONE, 1 /*xScale*/, 1 /*yScale*/, 0 /*xOffset*/,
-                         0 /*yOffset*/, 0 /*xPrecision*/, 0 /*yPrecision*/,
-                         AMOTION_EVENT_INVALID_CURSOR_POSITION,
+                         MotionClassification::NONE, identityTransform, 0 /*xPrecision*/,
+                         0 /*yPrecision*/, AMOTION_EVENT_INVALID_CURSOR_POSITION,
                          AMOTION_EVENT_INVALID_CURSOR_POSITION, 0 /*downTime*/,
                          entry.eventTime.count(), pointerCount, properties, coords);
 
@@ -239,10 +239,10 @@
     // It is difficult to determine the correct answer here, but at least the direction
     // of the reported velocity should be positive.
     std::vector<MotionEventEntry> motions = {
-        {0ms, {{ 273, NAN}}},
-        {12585us, {{293, NAN}}},
-        {14730us, {{293, NAN}}},
-        {14730us, {{293, NAN}}}, // ACTION_UP
+            {0ms, {{273, 0}}},
+            {12585us, {{293, 0}}},
+            {14730us, {{293, 0}}},
+            {14730us, {{293, 0}}}, // ACTION_UP
     };
     computeAndCheckVelocity(VelocityTracker::Strategy::IMPULSE, motions, AMOTION_EVENT_AXIS_X,
                             1600);
@@ -251,10 +251,10 @@
 TEST_F(VelocityTrackerTest, ThreePointsZeroVelocityTest) {
     // Same coordinate is reported 3 times in a row
     std::vector<MotionEventEntry> motions = {
-        { 0ms, {{293, NAN}} },
-        { 6132us, {{293, NAN}} },
-        { 11283us, {{293, NAN}} },
-        { 11283us, {{293, NAN}} }, // ACTION_UP
+            {0ms, {{293, 0}}},
+            {6132us, {{293, 0}}},
+            {11283us, {{293, 0}}},
+            {11283us, {{293, 0}}}, // ACTION_UP
     };
     computeAndCheckVelocity(VelocityTracker::Strategy::IMPULSE, motions, AMOTION_EVENT_AXIS_X, 0);
     computeAndCheckVelocity(VelocityTracker::Strategy::LSQ2, motions, AMOTION_EVENT_AXIS_X, 0);
@@ -263,10 +263,7 @@
 TEST_F(VelocityTrackerTest, ThreePointsLinearVelocityTest) {
     // Fixed velocity at 5 points per 10 milliseconds
     std::vector<MotionEventEntry> motions = {
-        { 0ms, {{0, NAN}} },
-        { 10ms, {{5, NAN}} },
-        { 20ms, {{10, NAN}} },
-        { 20ms, {{10, NAN}} }, // ACTION_UP
+            {0ms, {{0, 0}}}, {10ms, {{5, 0}}}, {20ms, {{10, 0}}}, {20ms, {{10, 0}}}, // ACTION_UP
     };
     computeAndCheckVelocity(VelocityTracker::Strategy::IMPULSE, motions, AMOTION_EVENT_AXIS_X, 500);
     computeAndCheckVelocity(VelocityTracker::Strategy::LSQ2, motions, AMOTION_EVENT_AXIS_X, 500);
diff --git a/libs/input/tests/VerifiedInputEvent_test.cpp b/libs/input/tests/VerifiedInputEvent_test.cpp
index 4e8e840..21cfe8c 100644
--- a/libs/input/tests/VerifiedInputEvent_test.cpp
+++ b/libs/input/tests/VerifiedInputEvent_test.cpp
@@ -39,13 +39,14 @@
         pointerCoords[i].clear();
     }
 
+    ui::Transform transform;
+    transform.set({2, 0, 4, 0, 3, 5, 0, 0, 1});
     event.initialize(InputEvent::nextId(), 0 /*deviceId*/, AINPUT_SOURCE_MOUSE, ADISPLAY_ID_DEFAULT,
                      INVALID_HMAC, AMOTION_EVENT_ACTION_DOWN, 0 /*actionButton*/, flags,
                      AMOTION_EVENT_EDGE_FLAG_NONE, AMETA_NONE, 0 /*buttonState*/,
-                     MotionClassification::NONE, 2 /*xScale*/, 3 /*yScale*/, 4 /*xOffset*/,
-                     5 /*yOffset*/, 0.1 /*xPrecision*/, 0.2 /*yPrecision*/, 280 /*xCursorPosition*/,
-                     540 /*yCursorPosition*/, 100 /*downTime*/, 200 /*eventTime*/, pointerCount,
-                     pointerProperties, pointerCoords);
+                     MotionClassification::NONE, transform, 0.1 /*xPrecision*/, 0.2 /*yPrecision*/,
+                     280 /*xCursorPosition*/, 540 /*yCursorPosition*/, 100 /*downTime*/,
+                     200 /*eventTime*/, pointerCount, pointerProperties, pointerCoords);
     return event;
 }