diff --git a/libs/gui/ITransactionCompletedListener.cpp b/libs/gui/ITransactionCompletedListener.cpp
index acda600..e5e25aa 100644
--- a/libs/gui/ITransactionCompletedListener.cpp
+++ b/libs/gui/ITransactionCompletedListener.cpp
@@ -48,6 +48,7 @@
     } else {
         err = output->writeBool(false);
     }
+    err = output->writeUint32(transformHint);
     return err;
 }
 
@@ -72,7 +73,8 @@
             return err;
         }
     }
-    return NO_ERROR;
+    err = input->readUint32(&transformHint);
+    return err;
 }
 
 status_t TransactionStats::writeToParcel(Parcel* output) const {
diff --git a/libs/gui/SurfaceComposerClient.cpp b/libs/gui/SurfaceComposerClient.cpp
index 7b256f5..e9079ef 100644
--- a/libs/gui/SurfaceComposerClient.cpp
+++ b/libs/gui/SurfaceComposerClient.cpp
@@ -222,7 +222,8 @@
             for (const auto& surfaceStats : transactionStats.surfaceStats) {
                 surfaceControlStats.emplace_back(surfaceControls[surfaceStats.surfaceControl],
                                                  surfaceStats.acquireTime,
-                                                 surfaceStats.previousReleaseFence);
+                                                 surfaceStats.previousReleaseFence,
+                                                 surfaceStats.transformHint);
             }
 
             callbackFunction(transactionStats.latchTime, transactionStats.presentFence,
diff --git a/libs/gui/include/gui/ITransactionCompletedListener.h b/libs/gui/include/gui/ITransactionCompletedListener.h
index 178ca2d..9c15225 100644
--- a/libs/gui/include/gui/ITransactionCompletedListener.h
+++ b/libs/gui/include/gui/ITransactionCompletedListener.h
@@ -41,12 +41,17 @@
     status_t readFromParcel(const Parcel* input) override;
 
     SurfaceStats() = default;
-    SurfaceStats(const sp<IBinder>& sc, nsecs_t time, const sp<Fence>& prevReleaseFence)
-          : surfaceControl(sc), acquireTime(time), previousReleaseFence(prevReleaseFence) {}
+    SurfaceStats(const sp<IBinder>& sc, nsecs_t time, const sp<Fence>& prevReleaseFence,
+                 uint32_t hint)
+          : surfaceControl(sc),
+            acquireTime(time),
+            previousReleaseFence(prevReleaseFence),
+            transformHint(hint) {}
 
     sp<IBinder> surfaceControl;
     nsecs_t acquireTime = -1;
     sp<Fence> previousReleaseFence;
+    uint32_t transformHint = 0;
 };
 
 class TransactionStats : public Parcelable {
diff --git a/libs/gui/include/gui/SurfaceComposerClient.h b/libs/gui/include/gui/SurfaceComposerClient.h
index 6676be4..08f4e9e 100644
--- a/libs/gui/include/gui/SurfaceComposerClient.h
+++ b/libs/gui/include/gui/SurfaceComposerClient.h
@@ -58,12 +58,16 @@
 
 struct SurfaceControlStats {
     SurfaceControlStats(const sp<SurfaceControl>& sc, nsecs_t time,
-                        const sp<Fence>& prevReleaseFence)
-          : surfaceControl(sc), acquireTime(time), previousReleaseFence(prevReleaseFence) {}
+                        const sp<Fence>& prevReleaseFence, uint32_t hint)
+          : surfaceControl(sc),
+            acquireTime(time),
+            previousReleaseFence(prevReleaseFence),
+            transformHint(hint) {}
 
     sp<SurfaceControl> surfaceControl;
     nsecs_t acquireTime = -1;
     sp<Fence> previousReleaseFence;
+    uint32_t transformHint = 0;
 };
 
 using TransactionCompletedCallbackTakesContext =
diff --git a/services/surfaceflinger/BufferStateLayer.cpp b/services/surfaceflinger/BufferStateLayer.cpp
index 75fc0e9..7b26b8a 100644
--- a/services/surfaceflinger/BufferStateLayer.cpp
+++ b/services/surfaceflinger/BufferStateLayer.cpp
@@ -103,12 +103,15 @@
     }
 }
 
-void BufferStateLayer::setTransformHint(uint32_t /*orientation*/) const {
-    // TODO(marissaw): send the transform hint to buffer owner
-    return;
+void BufferStateLayer::setTransformHint(uint32_t orientation) const {
+    mTransformHint = orientation;
 }
 
 void BufferStateLayer::releasePendingBuffer(nsecs_t /*dequeueReadyTime*/) {
+    for (const auto& handle : mDrawingState.callbackHandles) {
+        handle->transformHint = mTransformHint;
+    }
+
     mFlinger->getTransactionCompletedThread().finalizePendingCallbackHandles(
             mDrawingState.callbackHandles);
 
diff --git a/services/surfaceflinger/BufferStateLayer.h b/services/surfaceflinger/BufferStateLayer.h
index 3dfe76c..289bb17 100644
--- a/services/surfaceflinger/BufferStateLayer.h
+++ b/services/surfaceflinger/BufferStateLayer.h
@@ -149,6 +149,8 @@
     bool mReleasePreviousBuffer = false;
     nsecs_t mCallbackHandleAcquireTime = -1;
 
+    mutable uint32_t mTransformHint = 0;
+
     // TODO(marissaw): support sticky transform for LEGACY camera mode
 
     class HwcSlotGenerator : public ClientCache::ErasedRecipient {
diff --git a/services/surfaceflinger/TransactionCompletedThread.cpp b/services/surfaceflinger/TransactionCompletedThread.cpp
index 92e59d7..8db03db 100644
--- a/services/surfaceflinger/TransactionCompletedThread.cpp
+++ b/services/surfaceflinger/TransactionCompletedThread.cpp
@@ -234,7 +234,8 @@
     sp<IBinder> surfaceControl = handle->surfaceControl.promote();
     if (surfaceControl) {
         transactionStats->surfaceStats.emplace_back(surfaceControl, handle->acquireTime,
-                                                    handle->previousReleaseFence);
+                                                    handle->previousReleaseFence,
+                                                    handle->transformHint);
     }
     return NO_ERROR;
 }
diff --git a/services/surfaceflinger/TransactionCompletedThread.h b/services/surfaceflinger/TransactionCompletedThread.h
index a85ad1e..12ea8fe 100644
--- a/services/surfaceflinger/TransactionCompletedThread.h
+++ b/services/surfaceflinger/TransactionCompletedThread.h
@@ -44,6 +44,7 @@
     sp<Fence> previousReleaseFence;
     nsecs_t acquireTime = -1;
     nsecs_t latchTime = -1;
+    uint32_t transformHint = 0;
 };
 
 class TransactionCompletedThread {
diff --git a/services/surfaceflinger/tests/utils/CallbackUtils.h b/services/surfaceflinger/tests/utils/CallbackUtils.h
index 51ae8c4..4e2b7c3 100644
--- a/services/surfaceflinger/tests/utils/CallbackUtils.h
+++ b/services/surfaceflinger/tests/utils/CallbackUtils.h
@@ -121,7 +121,8 @@
 
         void verifySurfaceControlStats(const SurfaceControlStats& surfaceControlStats,
                                        nsecs_t latchTime) const {
-            const auto& [surfaceControl, acquireTime, previousReleaseFence] = surfaceControlStats;
+            const auto& [surfaceControl, acquireTime, previousReleaseFence, transformHint] =
+                    surfaceControlStats;
 
             ASSERT_EQ(acquireTime > 0, mBufferResult == ExpectedResult::Buffer::ACQUIRED)
                     << "bad acquire time";