diff --git a/libs/gui/Android.bp b/libs/gui/Android.bp
index a3f5a06..648bcc3 100644
--- a/libs/gui/Android.bp
+++ b/libs/gui/Android.bp
@@ -204,7 +204,6 @@
         "IGraphicBufferProducer.cpp",
         "IProducerListener.cpp",
         "ISurfaceComposer.cpp",
-        "ISurfaceComposerClient.cpp",
         "ITransactionCompletedListener.cpp",
         "LayerDebugInfo.cpp",
         "LayerMetadata.cpp",
diff --git a/libs/gui/BLASTBufferQueue.cpp b/libs/gui/BLASTBufferQueue.cpp
index bba7387..ccb901c 100644
--- a/libs/gui/BLASTBufferQueue.cpp
+++ b/libs/gui/BLASTBufferQueue.cpp
@@ -551,7 +551,7 @@
         if (dequeueTime != mDequeueTimestamps.end()) {
             Parcel p;
             p.writeInt64(dequeueTime->second);
-            t->setMetadata(mSurfaceControl, METADATA_DEQUEUE_TIME, p);
+            t->setMetadata(mSurfaceControl, gui::METADATA_DEQUEUE_TIME, p);
             mDequeueTimestamps.erase(dequeueTime);
         }
     }
diff --git a/libs/gui/ISurfaceComposer.cpp b/libs/gui/ISurfaceComposer.cpp
index 80e5123..54e50b5 100644
--- a/libs/gui/ISurfaceComposer.cpp
+++ b/libs/gui/ISurfaceComposer.cpp
@@ -25,7 +25,6 @@
 #include <binder/Parcel.h>
 #include <gui/IGraphicBufferProducer.h>
 #include <gui/ISurfaceComposer.h>
-#include <gui/ISurfaceComposerClient.h>
 #include <gui/LayerState.h>
 #include <private/gui/ParcelUtils.h>
 #include <stdint.h>
@@ -61,14 +60,6 @@
 
     virtual ~BpSurfaceComposer();
 
-    virtual sp<ISurfaceComposerClient> createConnection()
-    {
-        Parcel data, reply;
-        data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
-        remote()->transact(BnSurfaceComposer::CREATE_CONNECTION, data, &reply);
-        return interface_cast<ISurfaceComposerClient>(reply.readStrongBinder());
-    }
-
     status_t setTransactionState(const FrameTimelineInfo& frameTimelineInfo,
                                  const Vector<ComposerState>& state,
                                  const Vector<DisplayState>& displays, uint32_t flags,
@@ -159,13 +150,7 @@
 status_t BnSurfaceComposer::onTransact(
     uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
 {
-    switch(code) {
-        case CREATE_CONNECTION: {
-            CHECK_INTERFACE(ISurfaceComposer, data, reply);
-            sp<IBinder> b = IInterface::asBinder(createConnection());
-            reply->writeStrongBinder(b);
-            return NO_ERROR;
-        }
+    switch (code) {
         case SET_TRANSACTION_STATE: {
             CHECK_INTERFACE(ISurfaceComposer, data, reply);
 
diff --git a/libs/gui/ISurfaceComposerClient.cpp b/libs/gui/ISurfaceComposerClient.cpp
deleted file mode 100644
index 5e7a7ec..0000000
--- a/libs/gui/ISurfaceComposerClient.cpp
+++ /dev/null
@@ -1,124 +0,0 @@
-/*
- * Copyright (C) 2007 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-// tag as surfaceflinger
-#define LOG_TAG "SurfaceFlinger"
-
-#include <gui/ISurfaceComposerClient.h>
-
-#include <gui/IGraphicBufferProducer.h>
-
-#include <binder/SafeInterface.h>
-
-#include <ui/FrameStats.h>
-
-namespace android {
-
-namespace { // Anonymous
-
-enum class Tag : uint32_t {
-    CREATE_SURFACE = IBinder::FIRST_CALL_TRANSACTION,
-    CREATE_WITH_SURFACE_PARENT,
-    CLEAR_LAYER_FRAME_STATS,
-    GET_LAYER_FRAME_STATS,
-    MIRROR_SURFACE,
-    LAST = MIRROR_SURFACE,
-};
-
-} // Anonymous namespace
-
-class BpSurfaceComposerClient : public SafeBpInterface<ISurfaceComposerClient> {
-public:
-    explicit BpSurfaceComposerClient(const sp<IBinder>& impl)
-          : SafeBpInterface<ISurfaceComposerClient>(impl, "BpSurfaceComposerClient") {}
-
-    ~BpSurfaceComposerClient() override;
-
-    status_t createSurface(const String8& name, uint32_t width, uint32_t height, PixelFormat format,
-                           uint32_t flags, const sp<IBinder>& parent, LayerMetadata metadata,
-                           sp<IBinder>* handle, sp<IGraphicBufferProducer>* gbp,
-                           int32_t* outLayerId, uint32_t* outTransformHint) override {
-        return callRemote<decltype(&ISurfaceComposerClient::createSurface)>(Tag::CREATE_SURFACE,
-                                                                            name, width, height,
-                                                                            format, flags, parent,
-                                                                            std::move(metadata),
-                                                                            handle, gbp, outLayerId,
-                                                                            outTransformHint);
-    }
-
-    status_t createWithSurfaceParent(const String8& name, uint32_t width, uint32_t height,
-                                     PixelFormat format, uint32_t flags,
-                                     const sp<IGraphicBufferProducer>& parent,
-                                     LayerMetadata metadata, sp<IBinder>* handle,
-                                     sp<IGraphicBufferProducer>* gbp, int32_t* outLayerId,
-                                     uint32_t* outTransformHint) override {
-        return callRemote<decltype(
-                &ISurfaceComposerClient::createWithSurfaceParent)>(Tag::CREATE_WITH_SURFACE_PARENT,
-                                                                   name, width, height, format,
-                                                                   flags, parent,
-                                                                   std::move(metadata), handle, gbp,
-                                                                   outLayerId, outTransformHint);
-    }
-
-    status_t clearLayerFrameStats(const sp<IBinder>& handle) const override {
-        return callRemote<decltype(
-                &ISurfaceComposerClient::clearLayerFrameStats)>(Tag::CLEAR_LAYER_FRAME_STATS,
-                                                                handle);
-    }
-
-    status_t getLayerFrameStats(const sp<IBinder>& handle, FrameStats* outStats) const override {
-        return callRemote<decltype(
-                &ISurfaceComposerClient::getLayerFrameStats)>(Tag::GET_LAYER_FRAME_STATS, handle,
-                                                              outStats);
-    }
-
-    status_t mirrorSurface(const sp<IBinder>& mirrorFromHandle, sp<IBinder>* outHandle,
-                           int32_t* outLayerId) override {
-        return callRemote<decltype(&ISurfaceComposerClient::mirrorSurface)>(Tag::MIRROR_SURFACE,
-                                                                            mirrorFromHandle,
-                                                                            outHandle, outLayerId);
-    }
-};
-
-// Out-of-line virtual method definition to trigger vtable emission in this
-// translation unit (see clang warning -Wweak-vtables)
-BpSurfaceComposerClient::~BpSurfaceComposerClient() {}
-
-IMPLEMENT_META_INTERFACE(SurfaceComposerClient, "android.ui.ISurfaceComposerClient");
-
-// ----------------------------------------------------------------------
-
-status_t BnSurfaceComposerClient::onTransact(uint32_t code, const Parcel& data, Parcel* reply,
-                                             uint32_t flags) {
-    if (code < IBinder::FIRST_CALL_TRANSACTION || code > static_cast<uint32_t>(Tag::LAST)) {
-        return BBinder::onTransact(code, data, reply, flags);
-    }
-    auto tag = static_cast<Tag>(code);
-    switch (tag) {
-        case Tag::CREATE_SURFACE:
-            return callLocal(data, reply, &ISurfaceComposerClient::createSurface);
-        case Tag::CREATE_WITH_SURFACE_PARENT:
-            return callLocal(data, reply, &ISurfaceComposerClient::createWithSurfaceParent);
-        case Tag::CLEAR_LAYER_FRAME_STATS:
-            return callLocal(data, reply, &ISurfaceComposerClient::clearLayerFrameStats);
-        case Tag::GET_LAYER_FRAME_STATS:
-            return callLocal(data, reply, &ISurfaceComposerClient::getLayerFrameStats);
-        case Tag::MIRROR_SURFACE:
-            return callLocal(data, reply, &ISurfaceComposerClient::mirrorSurface);
-    }
-}
-
-} // namespace android
diff --git a/libs/gui/LayerMetadata.cpp b/libs/gui/LayerMetadata.cpp
index 189d51a..4e12fd3 100644
--- a/libs/gui/LayerMetadata.cpp
+++ b/libs/gui/LayerMetadata.cpp
@@ -23,7 +23,7 @@
 
 using android::base::StringPrintf;
 
-namespace android {
+namespace android::gui {
 
 LayerMetadata::LayerMetadata() = default;
 
@@ -144,4 +144,4 @@
     }
 }
 
-} // namespace android
+} // namespace android::gui
diff --git a/libs/gui/LayerState.cpp b/libs/gui/LayerState.cpp
index 502031c..3ab9e97 100644
--- a/libs/gui/LayerState.cpp
+++ b/libs/gui/LayerState.cpp
@@ -19,10 +19,10 @@
 #include <cinttypes>
 #include <cmath>
 
+#include <android/gui/ISurfaceComposerClient.h>
 #include <android/native_window.h>
 #include <binder/Parcel.h>
 #include <gui/IGraphicBufferProducer.h>
-#include <gui/ISurfaceComposerClient.h>
 #include <gui/LayerState.h>
 #include <private/gui/ParcelUtils.h>
 #include <system/window.h>
diff --git a/libs/gui/SurfaceComposerClient.cpp b/libs/gui/SurfaceComposerClient.cpp
index 065deb6..035aac9 100644
--- a/libs/gui/SurfaceComposerClient.cpp
+++ b/libs/gui/SurfaceComposerClient.cpp
@@ -20,6 +20,7 @@
 #include <sys/types.h>
 
 #include <android/gui/DisplayState.h>
+#include <android/gui/ISurfaceComposerClient.h>
 #include <android/gui/IWindowInfosListener.h>
 #include <android/os/IInputConstants.h>
 #include <utils/Errors.h>
@@ -39,7 +40,6 @@
 #include <gui/CpuConsumer.h>
 #include <gui/IGraphicBufferProducer.h>
 #include <gui/ISurfaceComposer.h>
-#include <gui/ISurfaceComposerClient.h>
 #include <gui/LayerState.h>
 #include <gui/Surface.h>
 #include <gui/SurfaceComposerClient.h>
@@ -2004,11 +2004,11 @@
       : mStatus(NO_ERROR), mClient(client) {}
 
 void SurfaceComposerClient::onFirstRef() {
-    sp<ISurfaceComposer> sf(ComposerService::getComposerService());
+    sp<gui::ISurfaceComposer> sf(ComposerServiceAIDL::getComposerService());
     if (sf != nullptr && mStatus == NO_INIT) {
         sp<ISurfaceComposerClient> conn;
-        conn = sf->createConnection();
-        if (conn != nullptr) {
+        binder::Status status = sf->createConnection(&conn);
+        if (status.isOk() && conn != nullptr) {
             mClient = conn;
             mStatus = NO_ERROR;
         }
@@ -2046,7 +2046,7 @@
 }
 
 sp<SurfaceControl> SurfaceComposerClient::createSurface(const String8& name, uint32_t w, uint32_t h,
-                                                        PixelFormat format, uint32_t flags,
+                                                        PixelFormat format, int32_t flags,
                                                         const sp<IBinder>& parentHandle,
                                                         LayerMetadata metadata,
                                                         uint32_t* outTransformHint) {
@@ -2056,38 +2056,9 @@
     return s;
 }
 
-sp<SurfaceControl> SurfaceComposerClient::createWithSurfaceParent(const String8& name, uint32_t w,
-                                                                  uint32_t h, PixelFormat format,
-                                                                  uint32_t flags, Surface* parent,
-                                                                  LayerMetadata metadata,
-                                                                  uint32_t* outTransformHint) {
-    sp<SurfaceControl> sur;
-    status_t err = mStatus;
-
-    if (mStatus == NO_ERROR) {
-        sp<IBinder> handle;
-        sp<IGraphicBufferProducer> parentGbp = parent->getIGraphicBufferProducer();
-        sp<IGraphicBufferProducer> gbp;
-
-        uint32_t transformHint = 0;
-        int32_t id = -1;
-        err = mClient->createWithSurfaceParent(name, w, h, format, flags, parentGbp,
-                                               std::move(metadata), &handle, &gbp, &id,
-                                               &transformHint);
-        if (outTransformHint) {
-            *outTransformHint = transformHint;
-        }
-        ALOGE_IF(err, "SurfaceComposerClient::createWithSurfaceParent error %s", strerror(-err));
-        if (err == NO_ERROR) {
-            return new SurfaceControl(this, handle, gbp, id, transformHint);
-        }
-    }
-    return nullptr;
-}
-
 status_t SurfaceComposerClient::createSurfaceChecked(const String8& name, uint32_t w, uint32_t h,
                                                      PixelFormat format,
-                                                     sp<SurfaceControl>* outSurface, uint32_t flags,
+                                                     sp<SurfaceControl>* outSurface, int32_t flags,
                                                      const sp<IBinder>& parentHandle,
                                                      LayerMetadata metadata,
                                                      uint32_t* outTransformHint) {
@@ -2095,21 +2066,17 @@
     status_t err = mStatus;
 
     if (mStatus == NO_ERROR) {
-        sp<IBinder> handle;
-        sp<IGraphicBufferProducer> gbp;
-
-        uint32_t transformHint = 0;
-        int32_t id = -1;
-        err = mClient->createSurface(name, w, h, format, flags, parentHandle, std::move(metadata),
-                                     &handle, &gbp, &id, &transformHint);
-
+        gui::CreateSurfaceResult result;
+        binder::Status status = mClient->createSurface(std::string(name.string()), flags,
+                                                       parentHandle, std::move(metadata), &result);
+        err = statusTFromBinderStatus(status);
         if (outTransformHint) {
-            *outTransformHint = transformHint;
+            *outTransformHint = result.transformHint;
         }
         ALOGE_IF(err, "SurfaceComposerClient::createSurface error %s", strerror(-err));
         if (err == NO_ERROR) {
-            *outSurface =
-                    new SurfaceControl(this, handle, gbp, id, w, h, format, transformHint, flags);
+            *outSurface = new SurfaceControl(this, result.handle, result.layerId, w, h, format,
+                                             result.transformHint, flags);
         }
     }
     return err;
@@ -2120,12 +2087,12 @@
         return nullptr;
     }
 
-    sp<IBinder> handle;
     sp<IBinder> mirrorFromHandle = mirrorFromSurface->getHandle();
-    int32_t layer_id = -1;
-    status_t err = mClient->mirrorSurface(mirrorFromHandle, &handle, &layer_id);
+    gui::MirrorSurfaceResult result;
+    const binder::Status status = mClient->mirrorSurface(mirrorFromHandle, &result);
+    const status_t err = statusTFromBinderStatus(status);
     if (err == NO_ERROR) {
-        return new SurfaceControl(this, handle, nullptr, layer_id, true /* owned */);
+        return new SurfaceControl(this, result.handle, result.layerId);
     }
     return nullptr;
 }
@@ -2134,7 +2101,8 @@
     if (mStatus != NO_ERROR) {
         return mStatus;
     }
-    return mClient->clearLayerFrameStats(token);
+    const binder::Status status = mClient->clearLayerFrameStats(token);
+    return statusTFromBinderStatus(status);
 }
 
 status_t SurfaceComposerClient::getLayerFrameStats(const sp<IBinder>& token,
@@ -2142,7 +2110,24 @@
     if (mStatus != NO_ERROR) {
         return mStatus;
     }
-    return mClient->getLayerFrameStats(token, outStats);
+    gui::FrameStats stats;
+    const binder::Status status = mClient->getLayerFrameStats(token, &stats);
+    if (status.isOk()) {
+        outStats->refreshPeriodNano = stats.refreshPeriodNano;
+        outStats->desiredPresentTimesNano.setCapacity(stats.desiredPresentTimesNano.size());
+        for (const auto& t : stats.desiredPresentTimesNano) {
+            outStats->desiredPresentTimesNano.add(t);
+        }
+        outStats->actualPresentTimesNano.setCapacity(stats.actualPresentTimesNano.size());
+        for (const auto& t : stats.actualPresentTimesNano) {
+            outStats->actualPresentTimesNano.add(t);
+        }
+        outStats->frameReadyTimesNano.setCapacity(stats.frameReadyTimesNano.size());
+        for (const auto& t : stats.frameReadyTimesNano) {
+            outStats->frameReadyTimesNano.add(t);
+        }
+    }
+    return statusTFromBinderStatus(status);
 }
 
 // ----------------------------------------------------------------------------
diff --git a/libs/gui/SurfaceControl.cpp b/libs/gui/SurfaceControl.cpp
index 654fb33..84257de 100644
--- a/libs/gui/SurfaceControl.cpp
+++ b/libs/gui/SurfaceControl.cpp
@@ -49,12 +49,10 @@
 // ============================================================================
 
 SurfaceControl::SurfaceControl(const sp<SurfaceComposerClient>& client, const sp<IBinder>& handle,
-                               const sp<IGraphicBufferProducer>& gbp, int32_t layerId,
-                               uint32_t w, uint32_t h, PixelFormat format, uint32_t transform,
-                               uint32_t flags)
+                               int32_t layerId, uint32_t w, uint32_t h, PixelFormat format,
+                               uint32_t transform, uint32_t flags)
       : mClient(client),
         mHandle(handle),
-        mGraphicBufferProducer(gbp),
         mLayerId(layerId),
         mTransformHint(transform),
         mWidth(w),
@@ -65,7 +63,6 @@
 SurfaceControl::SurfaceControl(const sp<SurfaceControl>& other) {
     mClient = other->mClient;
     mHandle = other->mHandle;
-    mGraphicBufferProducer = other->mGraphicBufferProducer;
     mTransformHint = other->mTransformHint;
     mLayerId = other->mLayerId;
     mWidth = other->mWidth;
@@ -165,11 +162,11 @@
 
 void SurfaceControl::updateDefaultBufferSize(uint32_t width, uint32_t height) {
     Mutex::Autolock _l(mLock);
-    mWidth = width; mHeight = height;
+    mWidth = width;
+    mHeight = height;
     if (mBbq) {
         mBbq->update(mBbqChild, width, height, mFormat);
     }
-
 }
 
 sp<IBinder> SurfaceControl::getLayerStateHandle() const
@@ -245,9 +242,7 @@
     *outSurfaceControl =
             new SurfaceControl(new SurfaceComposerClient(
                                        interface_cast<ISurfaceComposerClient>(client)),
-                               handle.get(), nullptr, layerId,
-                               width, height, format,
-                               transformHint);
+                               handle.get(), layerId, width, height, format, transformHint);
 
     return NO_ERROR;
 }
diff --git a/libs/gui/aidl/android/gui/CreateSurfaceResult.aidl b/libs/gui/aidl/android/gui/CreateSurfaceResult.aidl
new file mode 100644
index 0000000..39e4916
--- /dev/null
+++ b/libs/gui/aidl/android/gui/CreateSurfaceResult.aidl
@@ -0,0 +1,24 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.gui;
+
+/** @hide */
+parcelable CreateSurfaceResult {
+    IBinder handle;
+    int layerId;
+    int transformHint;
+}
diff --git a/libs/gui/aidl/android/gui/ISurfaceComposer.aidl b/libs/gui/aidl/android/gui/ISurfaceComposer.aidl
index 6ec6f76..26b4e81 100644
--- a/libs/gui/aidl/android/gui/ISurfaceComposer.aidl
+++ b/libs/gui/aidl/android/gui/ISurfaceComposer.aidl
@@ -34,6 +34,7 @@
 import android.gui.IHdrLayerInfoListener;
 import android.gui.IRegionSamplingListener;
 import android.gui.IScreenCaptureListener;
+import android.gui.ISurfaceComposerClient;
 import android.gui.ITransactionTraceListener;
 import android.gui.ITunnelModeEnabledListener;
 import android.gui.IWindowInfosListener;
@@ -45,6 +46,12 @@
 
 /** @hide */
 interface ISurfaceComposer {
+
+    /**
+     * Create a connection with SurfaceFlinger.
+     */
+    @nullable ISurfaceComposerClient createConnection();
+
     /**
      * Create a virtual display
      * requires ACCESS_SURFACE_FLINGER permission.
diff --git a/libs/gui/aidl/android/gui/ISurfaceComposerClient.aidl b/libs/gui/aidl/android/gui/ISurfaceComposerClient.aidl
new file mode 100644
index 0000000..71933aa
--- /dev/null
+++ b/libs/gui/aidl/android/gui/ISurfaceComposerClient.aidl
@@ -0,0 +1,62 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.gui;
+
+import android.gui.CreateSurfaceResult;
+import android.gui.FrameStats;
+import android.gui.LayerMetadata;
+import android.gui.MirrorSurfaceResult;
+
+/** @hide */
+interface ISurfaceComposerClient {
+
+    // flags for createSurface()
+    // (keep in sync with SurfaceControl.java)
+    const int eHidden = 0x00000004;
+    const int eDestroyBackbuffer = 0x00000020;
+    const int eSkipScreenshot = 0x00000040;
+    const int eSecure = 0x00000080;
+    const int eNonPremultiplied = 0x00000100;
+    const int eOpaque = 0x00000400;
+    const int eProtectedByApp = 0x00000800;
+    const int eProtectedByDRM = 0x00001000;
+    const int eCursorWindow = 0x00002000;
+    const int eNoColorFill = 0x00004000;
+
+    const int eFXSurfaceBufferQueue = 0x00000000;
+    const int eFXSurfaceEffect = 0x00020000;
+    const int eFXSurfaceBufferState = 0x00040000;
+    const int eFXSurfaceContainer = 0x00080000;
+    const int eFXSurfaceMask = 0x000F0000;
+
+    /**
+     * Requires ACCESS_SURFACE_FLINGER permission
+     */
+    CreateSurfaceResult createSurface(@utf8InCpp String name, int flags, @nullable IBinder parent, in LayerMetadata metadata);
+
+    /**
+     * Requires ACCESS_SURFACE_FLINGER permission
+     */
+    void clearLayerFrameStats(IBinder handle);
+
+    /**
+     * Requires ACCESS_SURFACE_FLINGER permission
+     */
+    FrameStats getLayerFrameStats(IBinder handle);
+
+    MirrorSurfaceResult mirrorSurface(IBinder mirrorFromHandle);
+}
diff --git a/libs/gui/aidl/android/gui/LayerMetadata.aidl b/libs/gui/aidl/android/gui/LayerMetadata.aidl
new file mode 100644
index 0000000..1368ac5
--- /dev/null
+++ b/libs/gui/aidl/android/gui/LayerMetadata.aidl
@@ -0,0 +1,19 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.gui;
+
+parcelable LayerMetadata cpp_header "gui/LayerMetadata.h";
diff --git a/libs/gui/aidl/android/gui/MirrorSurfaceResult.aidl b/libs/gui/aidl/android/gui/MirrorSurfaceResult.aidl
new file mode 100644
index 0000000..9fac3e8
--- /dev/null
+++ b/libs/gui/aidl/android/gui/MirrorSurfaceResult.aidl
@@ -0,0 +1,23 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.gui;
+
+/** @hide */
+parcelable MirrorSurfaceResult {
+    IBinder handle;
+    int layerId;
+}
diff --git a/libs/gui/include/gui/ISurfaceComposer.h b/libs/gui/include/gui/ISurfaceComposer.h
index 8f75d29..7139e1b 100644
--- a/libs/gui/include/gui/ISurfaceComposer.h
+++ b/libs/gui/include/gui/ISurfaceComposer.h
@@ -62,8 +62,6 @@
 struct DisplayState;
 struct InputWindowCommands;
 class HdrCapabilities;
-class IGraphicBufferProducer;
-class ISurfaceComposerClient;
 class Rect;
 
 using gui::FrameTimelineInfo;
@@ -127,11 +125,6 @@
 
     using EventRegistrationFlags = ftl::Flags<EventRegistration>;
 
-    /*
-     * Create a connection with SurfaceFlinger.
-     */
-    virtual sp<ISurfaceComposerClient> createConnection() = 0;
-
     /* return an IDisplayEventConnection */
     virtual sp<IDisplayEventConnection> createDisplayEventConnection(
             VsyncSource vsyncSource = eVsyncSourceApp,
@@ -159,7 +152,7 @@
         // Note: BOOT_FINISHED must remain this value, it is called from
         // Java by ActivityManagerService.
         BOOT_FINISHED = IBinder::FIRST_CALL_TRANSACTION,
-        CREATE_CONNECTION,
+        CREATE_CONNECTION,       // Deprecated. Autogenerated by .aidl now.
         GET_STATIC_DISPLAY_INFO, // Deprecated. Autogenerated by .aidl now.
         CREATE_DISPLAY_EVENT_CONNECTION,
         CREATE_DISPLAY,             // Deprecated. Autogenerated by .aidl now.
diff --git a/libs/gui/include/gui/ISurfaceComposerClient.h b/libs/gui/include/gui/ISurfaceComposerClient.h
deleted file mode 100644
index 9e9e191..0000000
--- a/libs/gui/include/gui/ISurfaceComposerClient.h
+++ /dev/null
@@ -1,97 +0,0 @@
-/*
- * Copyright (C) 2007 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#pragma once
-
-#include <binder/IInterface.h>
-#include <binder/SafeInterface.h>
-#include <gui/LayerMetadata.h>
-#include <ui/PixelFormat.h>
-
-#include <unordered_map>
-
-namespace android {
-
-class FrameStats;
-class IGraphicBufferProducer;
-
-class ISurfaceComposerClient : public IInterface {
-public:
-    DECLARE_META_INTERFACE(SurfaceComposerClient)
-
-    // flags for createSurface()
-    enum { // (keep in sync with SurfaceControl.java)
-        eHidden = 0x00000004,
-        eDestroyBackbuffer = 0x00000020,
-        eSkipScreenshot = 0x00000040,
-        eSecure = 0x00000080,
-        eNonPremultiplied = 0x00000100,
-        eOpaque = 0x00000400,
-        eProtectedByApp = 0x00000800,
-        eProtectedByDRM = 0x00001000,
-        eCursorWindow = 0x00002000,
-        eNoColorFill = 0x00004000,
-
-        eFXSurfaceBufferQueue = 0x00000000,
-        eFXSurfaceEffect = 0x00020000,
-        eFXSurfaceBufferState = 0x00040000,
-        eFXSurfaceContainer = 0x00080000,
-        eFXSurfaceMask = 0x000F0000,
-    };
-
-    // TODO(b/172002646):  Clean up the Surface Creation Arguments
-    /*
-     * Requires ACCESS_SURFACE_FLINGER permission
-     */
-    virtual status_t createSurface(const String8& name, uint32_t w, uint32_t h, PixelFormat format,
-                                   uint32_t flags, const sp<IBinder>& parent,
-                                   LayerMetadata metadata, sp<IBinder>* handle,
-                                   sp<IGraphicBufferProducer>* gbp, int32_t* outLayerId,
-                                   uint32_t* outTransformHint) = 0;
-
-    /*
-     * Requires ACCESS_SURFACE_FLINGER permission
-     */
-    virtual status_t createWithSurfaceParent(const String8& name, uint32_t w, uint32_t h,
-                                             PixelFormat format, uint32_t flags,
-                                             const sp<IGraphicBufferProducer>& parent,
-                                             LayerMetadata metadata, sp<IBinder>* handle,
-                                             sp<IGraphicBufferProducer>* gbp, int32_t* outLayerId,
-                                             uint32_t* outTransformHint) = 0;
-
-    /*
-     * Requires ACCESS_SURFACE_FLINGER permission
-     */
-    virtual status_t clearLayerFrameStats(const sp<IBinder>& handle) const = 0;
-
-    /*
-     * Requires ACCESS_SURFACE_FLINGER permission
-     */
-    virtual status_t getLayerFrameStats(const sp<IBinder>& handle, FrameStats* outStats) const = 0;
-
-    virtual status_t mirrorSurface(const sp<IBinder>& mirrorFromHandle, sp<IBinder>* outHandle,
-                                   int32_t* outLayerId) = 0;
-};
-
-class BnSurfaceComposerClient : public SafeBnInterface<ISurfaceComposerClient> {
-public:
-    BnSurfaceComposerClient()
-          : SafeBnInterface<ISurfaceComposerClient>("BnSurfaceComposerClient") {}
-
-    status_t onTransact(uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags) override;
-};
-
-} // namespace android
diff --git a/libs/gui/include/gui/LayerMetadata.h b/libs/gui/include/gui/LayerMetadata.h
index 27f4d37..5af5989 100644
--- a/libs/gui/include/gui/LayerMetadata.h
+++ b/libs/gui/include/gui/LayerMetadata.h
@@ -20,7 +20,7 @@
 
 #include <unordered_map>
 
-namespace android {
+namespace android::gui {
 
 enum {
     METADATA_OWNER_UID = 1,
@@ -69,4 +69,13 @@
     ftl_last = Battery
 };
 
-} // namespace android
+} // namespace android::gui
+
+using android::gui::METADATA_ACCESSIBILITY_ID;
+using android::gui::METADATA_DEQUEUE_TIME;
+using android::gui::METADATA_GAME_MODE;
+using android::gui::METADATA_MOUSE_CURSOR;
+using android::gui::METADATA_OWNER_PID;
+using android::gui::METADATA_OWNER_UID;
+using android::gui::METADATA_TASK_ID;
+using android::gui::METADATA_WINDOW_TYPE;
diff --git a/libs/gui/include/gui/LayerState.h b/libs/gui/include/gui/LayerState.h
index 0a9b75a..4cd9a56 100644
--- a/libs/gui/include/gui/LayerState.h
+++ b/libs/gui/include/gui/LayerState.h
@@ -51,7 +51,9 @@
 namespace android {
 
 class Parcel;
-class ISurfaceComposerClient;
+
+using gui::ISurfaceComposerClient;
+using gui::LayerMetadata;
 
 struct client_cache_t {
     wp<IBinder> token = nullptr;
diff --git a/libs/gui/include/gui/SurfaceComposerClient.h b/libs/gui/include/gui/SurfaceComposerClient.h
index 8569a27..dc96242 100644
--- a/libs/gui/include/gui/SurfaceComposerClient.h
+++ b/libs/gui/include/gui/SurfaceComposerClient.h
@@ -40,6 +40,8 @@
 #include <ui/Rotation.h>
 #include <ui/StaticDisplayInfo.h>
 
+#include <android/gui/ISurfaceComposerClient.h>
+
 #include <gui/CpuConsumer.h>
 #include <gui/ISurfaceComposer.h>
 #include <gui/ITransactionCompletedListener.h>
@@ -53,14 +55,15 @@
 namespace android {
 
 class HdrCapabilities;
-class ISurfaceComposerClient;
 class IGraphicBufferProducer;
 class ITunnelModeEnabledListener;
 class Region;
 
 using gui::DisplayCaptureArgs;
 using gui::IRegionSamplingListener;
+using gui::ISurfaceComposerClient;
 using gui::LayerCaptureArgs;
+using gui::LayerMetadata;
 
 struct SurfaceControlStats {
     SurfaceControlStats(const sp<SurfaceControl>& sc, nsecs_t latchTime,
@@ -312,7 +315,7 @@
                                      uint32_t w,          // width in pixel
                                      uint32_t h,          // height in pixel
                                      PixelFormat format,  // pixel-format desired
-                                     uint32_t flags = 0,  // usage flags
+                                     int32_t flags = 0,   // usage flags
                                      const sp<IBinder>& parentHandle = nullptr, // parentHandle
                                      LayerMetadata metadata = LayerMetadata(),  // metadata
                                      uint32_t* outTransformHint = nullptr);
@@ -322,21 +325,11 @@
                                   uint32_t h,          // height in pixel
                                   PixelFormat format,  // pixel-format desired
                                   sp<SurfaceControl>* outSurface,
-                                  uint32_t flags = 0,                        // usage flags
+                                  int32_t flags = 0,                         // usage flags
                                   const sp<IBinder>& parentHandle = nullptr, // parentHandle
                                   LayerMetadata metadata = LayerMetadata(),  // metadata
                                   uint32_t* outTransformHint = nullptr);
 
-    //! Create a surface
-    sp<SurfaceControl> createWithSurfaceParent(const String8& name,       // name of the surface
-                                               uint32_t w,                // width in pixel
-                                               uint32_t h,                // height in pixel
-                                               PixelFormat format,        // pixel-format desired
-                                               uint32_t flags = 0,        // usage flags
-                                               Surface* parent = nullptr, // parent
-                                               LayerMetadata metadata = LayerMetadata(), // metadata
-                                               uint32_t* outTransformHint = nullptr);
-
     // Creates a mirrored hierarchy for the mirrorFromSurface. This returns a SurfaceControl
     // which is a parent of the root of the mirrored hierarchy.
     //
diff --git a/libs/gui/include/gui/SurfaceControl.h b/libs/gui/include/gui/SurfaceControl.h
index b72cf83..e4a1350 100644
--- a/libs/gui/include/gui/SurfaceControl.h
+++ b/libs/gui/include/gui/SurfaceControl.h
@@ -24,11 +24,12 @@
 #include <utils/RefBase.h>
 #include <utils/threads.h>
 
+#include <android/gui/ISurfaceComposerClient.h>
+
 #include <ui/FrameStats.h>
 #include <ui/PixelFormat.h>
 #include <ui/Region.h>
 
-#include <gui/ISurfaceComposerClient.h>
 #include <math/vec3.h>
 
 namespace android {
@@ -93,8 +94,7 @@
     explicit SurfaceControl(const sp<SurfaceControl>& other);
 
     SurfaceControl(const sp<SurfaceComposerClient>& client, const sp<IBinder>& handle,
-                   const sp<IGraphicBufferProducer>& gbp, int32_t layerId,
-                   uint32_t width = 0, uint32_t height = 0, PixelFormat format = 0,
+                   int32_t layerId, uint32_t width = 0, uint32_t height = 0, PixelFormat format = 0,
                    uint32_t transformHint = 0, uint32_t flags = 0);
 
     sp<SurfaceControl> getParentingLayer();
@@ -115,8 +115,7 @@
     status_t validate() const;
 
     sp<SurfaceComposerClient>   mClient;
-    sp<IBinder>                 mHandle;
-    sp<IGraphicBufferProducer>  mGraphicBufferProducer;
+    sp<IBinder> mHandle;
     mutable Mutex               mLock;
     mutable sp<Surface>         mSurfaceData;
     mutable sp<BLASTBufferQueue> mBbq;
diff --git a/libs/gui/tests/Surface_test.cpp b/libs/gui/tests/Surface_test.cpp
index a9d8436..4ab380c 100644
--- a/libs/gui/tests/Surface_test.cpp
+++ b/libs/gui/tests/Surface_test.cpp
@@ -692,7 +692,6 @@
         mSupportsPresent = supportsPresent;
     }
 
-    sp<ISurfaceComposerClient> createConnection() override { return nullptr; }
     sp<IDisplayEventConnection> createDisplayEventConnection(
             ISurfaceComposer::VsyncSource, ISurfaceComposer::EventRegistrationFlags) override {
         return nullptr;
@@ -725,6 +724,11 @@
 
     void setSupportsPresent(bool supportsPresent) { mSupportsPresent = supportsPresent; }
 
+    binder::Status createConnection(sp<gui::ISurfaceComposerClient>* outClient) override {
+        *outClient = nullptr;
+        return binder::Status::ok();
+    }
+
     binder::Status createDisplay(const std::string& /*displayName*/, bool /*secure*/,
                                  sp<IBinder>* /*outDisplay*/) override {
         return binder::Status::ok();