diff --git a/include/input/Input.h b/include/input/Input.h
index ac901ae..194db1c 100644
--- a/include/input/Input.h
+++ b/include/input/Input.h
@@ -26,6 +26,7 @@
 #include <android/input.h>
 #include <math.h>
 #include <stdint.h>
+#include <ui/Transform.h>
 #include <utils/BitSet.h>
 #include <utils/KeyedVector.h>
 #include <utils/RefBase.h>
@@ -741,6 +742,7 @@
     float mYScale;
     float mXOffset;
     float mYOffset;
+    ui::Transform mTransform;
     float mXPrecision;
     float mYPrecision;
     float mRawXCursorPosition;
diff --git a/include/input/InputWindow.h b/include/input/InputWindow.h
index f8c759c..6a42ff6 100644
--- a/include/input/InputWindow.h
+++ b/include/input/InputWindow.h
@@ -21,6 +21,7 @@
 #include <input/InputTransport.h>
 #include <ui/Rect.h>
 #include <ui/Region.h>
+#include <ui/Transform.h>
 #include <utils/RefBase.h>
 #include <utils/Timers.h>
 
@@ -160,6 +161,9 @@
     float windowXScale = 1.0f;
     float windowYScale = 1.0f;
 
+    // Transform applied to individual windows.
+    ui::Transform transform;
+
     /*
      * This is filled in by the WM relative to the frame and then translated
      * to absolute coordinates by SurfaceFlinger once the frame is computed.
diff --git a/include/ui/Rotation.h b/include/ui/Rotation.h
new file mode 120000
index 0000000..095d2ce
--- /dev/null
+++ b/include/ui/Rotation.h
@@ -0,0 +1 @@
+../../libs/ui/include/ui/Rotation.h
\ No newline at end of file
diff --git a/include/ui/Transform.h b/include/ui/Transform.h
new file mode 120000
index 0000000..323f1fd
--- /dev/null
+++ b/include/ui/Transform.h
@@ -0,0 +1 @@
+../../libs/ui/include/ui/Transform.h
\ No newline at end of file
diff --git a/libs/input/Android.bp b/libs/input/Android.bp
index 7037680..0aa325f 100644
--- a/libs/input/Android.bp
+++ b/libs/input/Android.bp
@@ -43,6 +43,14 @@
         "libcutils",
     ],
 
+    static_libs: [
+        "libui-types",
+    ],
+
+    export_static_lib_headers: [
+        "libui-types",
+    ],
+
     target: {
         android: {
             srcs: [
diff --git a/libs/ui/Android.bp b/libs/ui/Android.bp
index f3edd3c..2acc5bb 100644
--- a/libs/ui/Android.bp
+++ b/libs/ui/Android.bp
@@ -51,22 +51,30 @@
     min_sdk_version: "apex_inherit",
 
     shared_libs: [
+        "libbase",
         "libutils",
     ],
 
     static_libs: [
+        "libarect",
         "libmath",
     ],
 
     srcs: [
         "ColorSpace.cpp",
+        "Rect.cpp",
+        "Region.cpp",
+        "Transform.cpp",
     ],
 
     export_include_dirs: [
+        "include",
+        "include_private",
         "include_types",
     ],
 
     export_static_lib_headers: [
+        "libarect",
         "libmath",
     ],
 
@@ -111,10 +119,7 @@
         "HdrCapabilities.cpp",
         "PixelFormat.cpp",
         "PublicFormat.cpp",
-        "Rect.cpp",
-        "Region.cpp",
         "Size.cpp",
-        "Transform.cpp",
         "UiConfig.cpp",
     ],
 
diff --git a/libs/ui/include/ui/Transform.h b/libs/ui/include/ui/Transform.h
index c6bb598..3e8caf4 100644
--- a/libs/ui/include/ui/Transform.h
+++ b/libs/ui/include/ui/Transform.h
@@ -21,7 +21,6 @@
 #include <ostream>
 #include <string>
 
-#include <hardware/hardware.h>
 #include <math/mat4.h>
 #include <math/vec2.h>
 #include <math/vec3.h>
@@ -44,9 +43,9 @@
 
     enum RotationFlags : uint32_t {
         ROT_0 = 0,
-        FLIP_H = HAL_TRANSFORM_FLIP_H,
-        FLIP_V = HAL_TRANSFORM_FLIP_V,
-        ROT_90 = HAL_TRANSFORM_ROT_90,
+        FLIP_H = 1, // HAL_TRANSFORM_FLIP_H
+        FLIP_V = 2, // HAL_TRANSFORM_FLIP_V
+        ROT_90 = 4, // HAL_TRANSFORM_ROT_90
         ROT_180 = FLIP_H | FLIP_V,
         ROT_270 = ROT_180 | ROT_90,
         ROT_INVALID = 0x80
diff --git a/services/inputflinger/Android.bp b/services/inputflinger/Android.bp
index f685628..5930f0a 100644
--- a/services/inputflinger/Android.bp
+++ b/services/inputflinger/Android.bp
@@ -111,6 +111,7 @@
         "libcutils",
         "libinput",
         "liblog",
+        "libui",
         "libutils",
     ],
     header_libs: [
diff --git a/services/inputflinger/host/Android.bp b/services/inputflinger/host/Android.bp
index b56f356..2a84dcb 100644
--- a/services/inputflinger/host/Android.bp
+++ b/services/inputflinger/host/Android.bp
@@ -63,5 +63,6 @@
     ],
     static_libs: [
         "libarect",
+        "libui-types",
     ],
 }