diff --git a/services/surfaceflinger/Layer.cpp b/services/surfaceflinger/Layer.cpp
index f3182be..d9ec44a 100644
--- a/services/surfaceflinger/Layer.cpp
+++ b/services/surfaceflinger/Layer.cpp
@@ -1057,6 +1057,11 @@
         clearSyncPoints();
     }
 
+    if (mCurrentState.inputInfoChanged) {
+        flags |= eInputInfoChanged;
+        mCurrentState.inputInfoChanged = false;
+    }
+
     // Commit the transaction
     commitTransaction(c);
     mCurrentState.callbackHandles = {};
@@ -1928,6 +1933,13 @@
     mDrawingParent = mCurrentParent;
 }
 
+void Layer::setInputInfo(const InputWindowInfo& info) {
+    mCurrentState.inputInfo = info;
+    mCurrentState.modified = true;
+    mCurrentState.inputInfoChanged = true;
+    setTransactionFlags(eTransactionNeeded);
+}
+
 void Layer::writeToProto(LayerProto* layerInfo, LayerVector::StateSet stateSet) {
     const bool useDrawing = stateSet == LayerVector::StateSet::Drawing;
     const LayerVector& children = useDrawing ? mDrawingChildren : mCurrentChildren;
@@ -2055,6 +2067,24 @@
     return mRemovedFromCurrentState;
 }
 
+InputWindowInfo Layer::fillInputInfo(const Rect& screenBounds) {
+    InputWindowInfo info = mDrawingState.inputInfo;
+    info.frameLeft = screenBounds.left;
+    info.inputInfo.frameTop = screenBounds.top;
+    info.inputInfo.frameRight = screenBounds.right;
+    info.inputInfo.frameBottom = screenBounds.bottom;
+
+    info.touchableRegion = mDrawingState.inputInfo.touchableRegion.translate(
+            screenBounds.left,
+            screenBounds.top);
+    info.visible = isVisible();
+    return info;
+}
+
+bool Layer::hasInput() const {
+    return mDrawingState.inputInfo.inputChannel != nullptr;
+}
+
 // ---------------------------------------------------------------------------
 
 }; // namespace android