diff --git a/libs/nativewindow/ANativeWindow.cpp b/libs/nativewindow/ANativeWindow.cpp
index c0c4ac0..6c67cf8 100644
--- a/libs/nativewindow/ANativeWindow.cpp
+++ b/libs/nativewindow/ANativeWindow.cpp
@@ -25,6 +25,8 @@
 
 #include <private/android/AHardwareBufferHelpers.h>
 
+#include <ui/GraphicBuffer.h>
+
 using namespace android;
 
 static int32_t query(ANativeWindow* window, int what) {
@@ -105,6 +107,10 @@
  * vndk-stable
  **************************************************************************************************/
 
+AHardwareBuffer* ANativeWindowBuffer_getHardwareBuffer(ANativeWindowBuffer* anwb) {
+    return AHardwareBuffer_from_GraphicBuffer(static_cast<GraphicBuffer*>(anwb));
+}
+
 int ANativeWindow_OemStorageSet(ANativeWindow* window, uint32_t slot, intptr_t value) {
     if (slot < 4) {
         window->oem[slot] = value;
diff --git a/libs/nativewindow/include/vndk/window.h b/libs/nativewindow/include/vndk/window.h
index 310e1e5..067046b 100644
--- a/libs/nativewindow/include/vndk/window.h
+++ b/libs/nativewindow/include/vndk/window.h
@@ -99,8 +99,12 @@
 
 typedef struct ANativeWindowBuffer ANativeWindowBuffer;
 
-/*****************************************************************************/
+/*
+ * Convert this ANativeWindowBuffer into a AHardwareBuffer
+ */
+AHardwareBuffer* ANativeWindowBuffer_getHardwareBuffer(ANativeWindowBuffer* anwb);
 
+/*****************************************************************************/
 
 /*
  * Stores a value into one of the 4 available slots