diff --git a/services/core/java/com/android/server/wm/AccessibilityController.java b/services/core/java/com/android/server/wm/AccessibilityController.java
index 95b139a..2bda80d 100644
--- a/services/core/java/com/android/server/wm/AccessibilityController.java
+++ b/services/core/java/com/android/server/wm/AccessibilityController.java
@@ -234,16 +234,7 @@
 
     private static void populateTransformationMatrixLocked(WindowState windowState,
             Matrix outMatrix) {
-        sTempFloats[Matrix.MSCALE_X] = windowState.mWinAnimator.mDsDx;
-        sTempFloats[Matrix.MSKEW_Y] = windowState.mWinAnimator.mDtDx;
-        sTempFloats[Matrix.MSKEW_X] = windowState.mWinAnimator.mDtDy;
-        sTempFloats[Matrix.MSCALE_Y] = windowState.mWinAnimator.mDsDy;
-        sTempFloats[Matrix.MTRANS_X] = windowState.mShownPosition.x;
-        sTempFloats[Matrix.MTRANS_Y] = windowState.mShownPosition.y;
-        sTempFloats[Matrix.MPERSP_0] = 0;
-        sTempFloats[Matrix.MPERSP_1] = 0;
-        sTempFloats[Matrix.MPERSP_2] = 1;
-        outMatrix.setValues(sTempFloats);
+        windowState.getTransformationMatrix(sTempFloats, outMatrix);
     }
 
     /**