diff --git a/cmds/dumpstate/dumpstate.cpp b/cmds/dumpstate/dumpstate.cpp
index 80ef788..19bf216 100644
--- a/cmds/dumpstate/dumpstate.cpp
+++ b/cmds/dumpstate/dumpstate.cpp
@@ -1496,6 +1496,8 @@
                SEC_TO_MSEC(10));
     RunDumpsys("DUMPSYS", {"carrier_config"}, CommandOptions::WithTimeout(90).Build(),
                SEC_TO_MSEC(10));
+    RunDumpsys("DUMPSYS", {"wifi"}, CommandOptions::WithTimeout(90).Build(),
+               SEC_TO_MSEC(10));
 
     printf("========================================================\n");
     printf("== Running Application Services\n");
@@ -1614,8 +1616,8 @@
         });
     auto result = dumpstate_task.get_future();
     std::thread(std::move(dumpstate_task)).detach();
-    if (result.wait_for(10s) != std::future_status::ready) {
-        MYLOGE("dumpstateBoard timed out after 10s\n");
+    if (result.wait_for(30s) != std::future_status::ready) {
+        MYLOGE("dumpstateBoard timed out after 30s\n");
         return;
     }
     std::unique_ptr<ssize_t[]> file_sizes = result.get();
diff --git a/cmds/installd/dexopt.cpp b/cmds/installd/dexopt.cpp
index e1e73c7..2777662 100644
--- a/cmds/installd/dexopt.cpp
+++ b/cmds/installd/dexopt.cpp
@@ -1264,8 +1264,8 @@
 };
 
 // (re)Creates the app image if needed.
-Dex2oatFileWrapper maybe_open_app_image(const char* out_oat_path, bool profile_guided,
-        bool is_public, int uid, bool is_secondary_dex) {
+Dex2oatFileWrapper maybe_open_app_image(const char* out_oat_path,
+        bool generate_app_image, bool is_public, int uid, bool is_secondary_dex) {
 
     // We don't create an image for secondary dex files.
     if (is_secondary_dex) {
@@ -1278,11 +1278,11 @@
         return Dex2oatFileWrapper();
     }
 
-    // Use app images only if it is enabled (by a set image format) and we are compiling
-    // profile-guided (so the app image doesn't conservatively contain all classes).
-    if (!profile_guided) {
-        // In case there is a stale image, remove it now. Ignore any error.
-        unlink(image_path.c_str());
+    // In case there is a stale image, remove it now. Ignore any error.
+    unlink(image_path.c_str());
+
+    // Not enabled, exit.
+    if (!generate_app_image) {
         return Dex2oatFileWrapper();
     }
     char app_image_format[kPropertyValueMax];
@@ -1959,6 +1959,7 @@
     bool background_job_compile = (dexopt_flags & DEXOPT_IDLE_BACKGROUND_JOB) != 0;
     bool enable_hidden_api_checks = (dexopt_flags & DEXOPT_ENABLE_HIDDEN_API_CHECKS) != 0;
     bool generate_compact_dex = (dexopt_flags & DEXOPT_GENERATE_COMPACT_DEX) != 0;
+    bool generate_app_image = (dexopt_flags & DEXOPT_GENERATE_APP_IMAGE) != 0;
 
     // Check if we're dealing with a secondary dex file and if we need to compile it.
     std::string oat_dir_str;
@@ -2027,8 +2028,8 @@
     unique_fd swap_fd = maybe_open_dexopt_swap_file(out_oat_path);
 
     // Create the app image file if needed.
-    Dex2oatFileWrapper image_fd =
-            maybe_open_app_image(out_oat_path, profile_guided, is_public, uid, is_secondary_dex);
+    Dex2oatFileWrapper image_fd = maybe_open_app_image(
+            out_oat_path, generate_app_image, is_public, uid, is_secondary_dex);
 
     // Open the reference profile if needed.
     Dex2oatFileWrapper reference_profile_fd = maybe_open_reference_profile(
diff --git a/cmds/installd/installd_constants.h b/cmds/installd/installd_constants.h
index 26aa443..c928631 100644
--- a/cmds/installd/installd_constants.h
+++ b/cmds/installd/installd_constants.h
@@ -54,6 +54,7 @@
 constexpr int DEXOPT_IDLE_BACKGROUND_JOB = 1 << 9;
 constexpr int DEXOPT_ENABLE_HIDDEN_API_CHECKS = 1 << 10;
 constexpr int DEXOPT_GENERATE_COMPACT_DEX = 1 << 11;
+constexpr int DEXOPT_GENERATE_APP_IMAGE = 1 << 12;
 
 /* all known values for dexopt flags */
 constexpr int DEXOPT_MASK =
@@ -67,7 +68,8 @@
     | DEXOPT_STORAGE_DE
     | DEXOPT_IDLE_BACKGROUND_JOB
     | DEXOPT_ENABLE_HIDDEN_API_CHECKS
-    | DEXOPT_GENERATE_COMPACT_DEX;
+    | DEXOPT_GENERATE_COMPACT_DEX
+    | DEXOPT_GENERATE_APP_IMAGE;
 
 // NOTE: keep in sync with StorageManager
 constexpr int FLAG_STORAGE_DE = 1 << 0;
diff --git a/cmds/installd/otapreopt.cpp b/cmds/installd/otapreopt.cpp
index 58355f9..96d8c47 100644
--- a/cmds/installd/otapreopt.cpp
+++ b/cmds/installd/otapreopt.cpp
@@ -82,8 +82,9 @@
 static_assert(DEXOPT_ENABLE_HIDDEN_API_CHECKS == 1 << 10,
         "DEXOPT_ENABLE_HIDDEN_API_CHECKS unexpected");
 static_assert(DEXOPT_GENERATE_COMPACT_DEX == 1 << 11, "DEXOPT_GENERATE_COMPACT_DEX unexpected");
+static_assert(DEXOPT_GENERATE_APP_IMAGE == 1 << 12, "DEXOPT_GENERATE_APP_IMAGE unexpected");
 
-static_assert(DEXOPT_MASK           == (0xdfe | DEXOPT_IDLE_BACKGROUND_JOB),
+static_assert(DEXOPT_MASK           == (0x1dfe | DEXOPT_IDLE_BACKGROUND_JOB),
               "DEXOPT_MASK unexpected.");
 
 
diff --git a/cmds/installd/otapreopt_parameters.cpp b/cmds/installd/otapreopt_parameters.cpp
index d56aec9..cf3de01 100644
--- a/cmds/installd/otapreopt_parameters.cpp
+++ b/cmds/installd/otapreopt_parameters.cpp
@@ -246,6 +246,8 @@
         case 7:
         // Version 8 adds a new dexopt flag: DEXOPT_GENERATE_COMPACT_DEX
         case 8: num_args_expected = 16; break;
+        // Version 9 adds a new dexopt flag: DEXOPT_GENERATE_APP_IMAGE
+        case 9: num_args_expected = 16; break;
         default:
             LOG(ERROR) << "Don't know how to read arguments for version " << version;
             return false;
diff --git a/cmds/installd/tests/installd_otapreopt_test.cpp b/cmds/installd/tests/installd_otapreopt_test.cpp
index 63426cb..b518507 100644
--- a/cmds/installd/tests/installd_otapreopt_test.cpp
+++ b/cmds/installd/tests/installd_otapreopt_test.cpp
@@ -113,6 +113,7 @@
             case 6: return "6";
             case 7: return "7";
             case 8: return "8";
+            case 9: return "9";
         }
         return nullptr;
     }
diff --git a/libs/gui/GLConsumer.cpp b/libs/gui/GLConsumer.cpp
index 788a6eb..885efec 100644
--- a/libs/gui/GLConsumer.cpp
+++ b/libs/gui/GLConsumer.cpp
@@ -984,7 +984,8 @@
     }
 
     if (mCurrentFence->isValid()) {
-        if (SyncFeatures::getInstance().useWaitSync()) {
+        if (SyncFeatures::getInstance().useWaitSync() &&
+            SyncFeatures::getInstance().useNativeFenceSync()) {
             // Create an EGLSyncKHR from the current fence.
             int fenceFd = mCurrentFence->dup();
             if (fenceFd == -1) {
diff --git a/libs/gui/Surface.cpp b/libs/gui/Surface.cpp
index 6a1aebd..339bd0f 100644
--- a/libs/gui/Surface.cpp
+++ b/libs/gui/Surface.cpp
@@ -45,6 +45,7 @@
 namespace android {
 
 using ui::ColorMode;
+using ui::Dataspace;
 
 Surface::Surface(const sp<IGraphicBufferProducer>& bufferProducer, bool controlledByApp)
       : mGraphicBufferProducer(bufferProducer),
@@ -80,7 +81,7 @@
     mReqFormat = 0;
     mReqUsage = 0;
     mTimestamp = NATIVE_WINDOW_TIMESTAMP_AUTO;
-    mDataSpace = HAL_DATASPACE_UNKNOWN;
+    mDataSpace = Dataspace::UNKNOWN;
     mScalingMode = NATIVE_WINDOW_SCALING_MODE_FREEZE;
     mTransform = 0;
     mStickyTransform = 0;
@@ -666,8 +667,9 @@
     sp<Fence> fence(fenceFd >= 0 ? new Fence(fenceFd) : Fence::NO_FENCE);
     IGraphicBufferProducer::QueueBufferOutput output;
     IGraphicBufferProducer::QueueBufferInput input(timestamp, isAutoTimestamp,
-            mDataSpace, crop, mScalingMode, mTransform ^ mStickyTransform,
-            fence, mStickyTransform, mEnableFrameTimestamps);
+            static_cast<android_dataspace>(mDataSpace), crop, mScalingMode,
+            mTransform ^ mStickyTransform, fence, mStickyTransform,
+            mEnableFrameTimestamps);
 
     // we should send HDR metadata as needed if this becomes a bottleneck
     input.setHdrMetadata(mHdrMetadata);
@@ -1098,8 +1100,7 @@
 }
 
 int Surface::dispatchSetBuffersDataSpace(va_list args) {
-    android_dataspace dataspace =
-            static_cast<android_dataspace>(va_arg(args, int));
+    Dataspace dataspace = static_cast<Dataspace>(va_arg(args, int));
     return setBuffersDataSpace(dataspace);
 }
 
@@ -1531,7 +1532,7 @@
     return NO_ERROR;
 }
 
-int Surface::setBuffersDataSpace(android_dataspace dataSpace)
+int Surface::setBuffersDataSpace(Dataspace dataSpace)
 {
     ALOGV("Surface::setBuffersDataSpace");
     Mutex::Autolock lock(mMutex);
@@ -1563,7 +1564,7 @@
     return NO_ERROR;
 }
 
-android_dataspace_t Surface::getBuffersDataSpace() {
+Dataspace Surface::getBuffersDataSpace() {
     ALOGV("Surface::getBuffersDataSpace");
     Mutex::Autolock lock(mMutex);
     return mDataSpace;
diff --git a/libs/gui/include/gui/Surface.h b/libs/gui/include/gui/Surface.h
index 641d62c..9aeafae 100644
--- a/libs/gui/include/gui/Surface.h
+++ b/libs/gui/include/gui/Surface.h
@@ -22,6 +22,7 @@
 #include <gui/IGraphicBufferProducer.h>
 
 #include <ui/ANativeObjectBase.h>
+#include <ui/GraphicTypes.h>
 #include <ui/Region.h>
 
 #include <utils/Condition.h>
@@ -245,7 +246,7 @@
     virtual int setBuffersTransform(uint32_t transform);
     virtual int setBuffersStickyTransform(uint32_t transform);
     virtual int setBuffersTimestamp(int64_t timestamp);
-    virtual int setBuffersDataSpace(android_dataspace dataSpace);
+    virtual int setBuffersDataSpace(ui::Dataspace dataSpace);
     virtual int setBuffersSmpte2086Metadata(const android_smpte2086_metadata* metadata);
     virtual int setBuffersCta8613Metadata(const android_cta861_3_metadata* metadata);
     virtual int setCrop(Rect const* rect);
@@ -286,7 +287,7 @@
     // detachNextBuffer, or attachBuffer call.
     status_t getAndFlushRemovedBuffers(std::vector<sp<GraphicBuffer>>* out);
 
-    android_dataspace_t getBuffersDataSpace();
+    ui::Dataspace getBuffersDataSpace();
 
     static status_t attachAndQueueBuffer(Surface* surface, sp<GraphicBuffer> buffer);
 
@@ -340,9 +341,9 @@
     int64_t mTimestamp;
 
     // mDataSpace is the buffer dataSpace that will be used for the next buffer
-    // queue operation. It defaults to HAL_DATASPACE_UNKNOWN, which
+    // queue operation. It defaults to Dataspace::UNKNOWN, which
     // means that the buffer contains some type of color data.
-    android_dataspace mDataSpace;
+    ui::Dataspace mDataSpace;
 
     // mHdrMetadata is the HDR metadata that will be used for the next buffer
     // queue operation.  There is no HDR metadata by default.
diff --git a/libs/ui/Android.bp b/libs/ui/Android.bp
index f71f814..e477a83 100644
--- a/libs/ui/Android.bp
+++ b/libs/ui/Android.bp
@@ -83,6 +83,7 @@
         "libhidlbase",
         "libhidltransport",
         "libhwbinder",
+        "libpdx_default_transport",
         "libsync",
         "libutils",
         "libutilscallstack",
@@ -99,10 +100,9 @@
         "libbase_headers",
         "libnativebase_headers",
         "libhardware_headers",
+        "libui_headers",
     ],
 
-    export_include_dirs: ["include"],
-
     export_static_lib_headers: [
         "libarect",
         "libmath",
@@ -112,6 +112,7 @@
         "libbase_headers",
         "libnativebase_headers",
         "libhardware_headers",
+        "libui_headers",
     ],
 }
 
@@ -119,6 +120,11 @@
     name: "libui_headers",
     export_include_dirs: ["include"],
     vendor_available: true,
+    target: {
+        vendor: {
+            override_export_include_dirs: ["include_vndk"],
+        },
+    },
 }
 
 subdirs = [
diff --git a/libs/ui/DebugUtils.cpp b/libs/ui/DebugUtils.cpp
index d7d8618..58fed84 100644
--- a/libs/ui/DebugUtils.cpp
+++ b/libs/ui/DebugUtils.cpp
@@ -234,6 +234,33 @@
     return android::base::StringPrintf("Unknown color mode %d", colorMode);
 }
 
+std::string decodeColorTransform(android_color_transform colorTransform) {
+    switch (colorTransform) {
+        case HAL_COLOR_TRANSFORM_IDENTITY:
+            return std::string("Identity");
+
+        case HAL_COLOR_TRANSFORM_ARBITRARY_MATRIX:
+            return std::string("Arbitrary matrix");
+
+        case HAL_COLOR_TRANSFORM_VALUE_INVERSE:
+            return std::string("Inverse value");
+
+        case HAL_COLOR_TRANSFORM_GRAYSCALE:
+            return std::string("Grayscale");
+
+        case HAL_COLOR_TRANSFORM_CORRECT_PROTANOPIA:
+            return std::string("Correct protanopia");
+
+        case HAL_COLOR_TRANSFORM_CORRECT_DEUTERANOPIA:
+            return std::string("Correct deuteranopia");
+
+        case HAL_COLOR_TRANSFORM_CORRECT_TRITANOPIA:
+            return std::string("Correct tritanopia");
+    }
+
+    return android::base::StringPrintf("Unknown color transform %d", colorTransform);
+}
+
 // Converts a PixelFormat to a human-readable string.  Max 11 chars.
 // (Could use a table of prefab String8 objects.)
 std::string decodePixelFormat(android::PixelFormat format) {
diff --git a/libs/ui/GraphicBuffer.cpp b/libs/ui/GraphicBuffer.cpp
index 4ed2aa4..254038b 100644
--- a/libs/ui/GraphicBuffer.cpp
+++ b/libs/ui/GraphicBuffer.cpp
@@ -22,6 +22,7 @@
 
 #include <grallocusage/GrallocUsageConversion.h>
 
+#include <ui/DetachedBufferHandle.h>
 #include <ui/Gralloc2.h>
 #include <ui/GraphicBufferAllocator.h>
 #include <ui/GraphicBufferMapper.h>
@@ -486,6 +487,24 @@
     return NO_ERROR;
 }
 
+bool GraphicBuffer::isDetachedBuffer() const {
+    return mDetachedBufferHandle && mDetachedBufferHandle->isValid();
+}
+
+status_t GraphicBuffer::setDetachedBufferHandle(std::unique_ptr<DetachedBufferHandle> channel) {
+    if (isDetachedBuffer()) {
+        ALOGW("setDetachedBuffer: there is already a BufferHub channel associated with this "
+              "GraphicBuffer. Replacing the old one.");
+    }
+
+    mDetachedBufferHandle = std::move(channel);
+    return NO_ERROR;
+}
+
+std::unique_ptr<DetachedBufferHandle> GraphicBuffer::takeDetachedBufferHandle() {
+    return std::move(mDetachedBufferHandle);
+}
+
 // ---------------------------------------------------------------------------
 
 }; // namespace android
diff --git a/libs/ui/include/ui/DebugUtils.h b/libs/ui/include/ui/DebugUtils.h
index 6350d0c..5e5df43 100644
--- a/libs/ui/include/ui/DebugUtils.h
+++ b/libs/ui/include/ui/DebugUtils.h
@@ -30,5 +30,6 @@
 std::string decodeRange(android_dataspace dataspace);
 std::string dataspaceDetails(android_dataspace dataspace);
 std::string decodeColorMode(android::ui::ColorMode colormode);
+std::string decodeColorTransform(android_color_transform colorTransform);
 std::string decodePixelFormat(android::PixelFormat format);
 std::string to_string(const android::Rect& rect);
diff --git a/libs/ui/include/ui/DetachedBufferHandle.h b/libs/ui/include/ui/DetachedBufferHandle.h
new file mode 100644
index 0000000..f3c328d
--- /dev/null
+++ b/libs/ui/include/ui/DetachedBufferHandle.h
@@ -0,0 +1,52 @@
+/*
+ * Copyright (C) 2018 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.
+ */
+
+#ifndef ANDROID_DETACHED_BUFFER_HUB_HANDLE_H
+#define ANDROID_DETACHED_BUFFER_HUB_HANDLE_H
+
+#include <pdx/channel_handle.h>
+
+#include <memory>
+
+namespace android {
+
+// A wrapper that holds a pdx::LocalChannelHandle object. From the handle, a BufferHub buffer can be
+// created. Current implementation assumes that the underlying transport is using libpdx (thus
+// holding a pdx::LocalChannelHandle object), but future implementation can change it to a Binder
+// backend if ever needed.
+class DetachedBufferHandle {
+public:
+    static std::unique_ptr<DetachedBufferHandle> Create(pdx::LocalChannelHandle handle) {
+        return std::unique_ptr<DetachedBufferHandle>(new DetachedBufferHandle(std::move(handle)));
+    }
+
+    // Accessors to get or take the internal pdx::LocalChannelHandle.
+    pdx::LocalChannelHandle& handle() { return mHandle; }
+    const pdx::LocalChannelHandle& handle() const { return mHandle; }
+
+    // Returns whether the DetachedBufferHandle holds a BufferHub channel.
+    bool isValid() const { return mHandle.valid(); }
+
+private:
+    // Constructs a DetachedBufferHandle from a pdx::LocalChannelHandle.
+    explicit DetachedBufferHandle(pdx::LocalChannelHandle handle) : mHandle(std::move(handle)) {}
+
+    pdx::LocalChannelHandle mHandle;
+};
+
+} // namespace android
+
+#endif // ANDROID_DETACHED_BUFFER_HUB_HANDLE_H
diff --git a/libs/ui/include/ui/GraphicBuffer.h b/libs/ui/include/ui/GraphicBuffer.h
index e794462..cc38982 100644
--- a/libs/ui/include/ui/GraphicBuffer.h
+++ b/libs/ui/include/ui/GraphicBuffer.h
@@ -34,6 +34,7 @@
 
 namespace android {
 
+class DetachedBufferHandle;
 class GraphicBufferMapper;
 
 // ===========================================================================
@@ -190,6 +191,11 @@
     status_t flatten(void*& buffer, size_t& size, int*& fds, size_t& count) const;
     status_t unflatten(void const*& buffer, size_t& size, int const*& fds, size_t& count);
 
+    // Sets and takes DetachedBuffer. Should only be called from BufferHub.
+    bool isDetachedBuffer() const;
+    status_t setDetachedBufferHandle(std::unique_ptr<DetachedBufferHandle> detachedBuffer);
+    std::unique_ptr<DetachedBufferHandle> takeDetachedBufferHandle();
+
 private:
     ~GraphicBuffer();
 
@@ -240,6 +246,17 @@
     // match the BufferQueue's internal generation number (set through
     // IGBP::setGenerationNumber), attempts to attach the buffer will fail.
     uint32_t mGenerationNumber;
+
+    // Stores a BufferHub handle that can be used to re-attach this GraphicBuffer back into a
+    // BufferHub producer/consumer set. In terms of GraphicBuffer's relationship with BufferHub,
+    // there are three different modes:
+    // 1. Legacy mode: GraphicBuffer is not backed by BufferHub and mDetachedBufferHandle must be
+    //    invalid.
+    // 2. Detached mode: GraphicBuffer is backed by BufferHub, but not part of a producer/consumer
+    //    set. In this mode, mDetachedBufferHandle must be valid.
+    // 3. Attached mode: GraphicBuffer is backed by BufferHub and it's part of a producer/consumer
+    //    set. In this mode, mDetachedBufferHandle must be invalid.
+    std::unique_ptr<DetachedBufferHandle> mDetachedBufferHandle;
 };
 
 }; // namespace android
diff --git a/libs/ui/include/ui/GraphicTypes.h b/libs/ui/include/ui/GraphicTypes.h
index 39893b2..92a5519 100644
--- a/libs/ui/include/ui/GraphicTypes.h
+++ b/libs/ui/include/ui/GraphicTypes.h
@@ -25,6 +25,8 @@
 namespace ui {
 
 using android::hardware::graphics::common::V1_0::ColorMode;
+using android::hardware::graphics::common::V1_1::Dataspace;
+using android::hardware::graphics::common::V1_1::PixelFormat;
 
 }  // namespace ui
 }  // namespace android
diff --git a/libs/ui/include_vndk/ui/ANativeObjectBase.h b/libs/ui/include_vndk/ui/ANativeObjectBase.h
new file mode 120000
index 0000000..4dab8d8
--- /dev/null
+++ b/libs/ui/include_vndk/ui/ANativeObjectBase.h
@@ -0,0 +1 @@
+../../include/ui/ANativeObjectBase.h
\ No newline at end of file
diff --git a/libs/ui/include_vndk/ui/BufferQueueDefs.h b/libs/ui/include_vndk/ui/BufferQueueDefs.h
new file mode 120000
index 0000000..c886ed8
--- /dev/null
+++ b/libs/ui/include_vndk/ui/BufferQueueDefs.h
@@ -0,0 +1 @@
+../../include/ui/BufferQueueDefs.h
\ No newline at end of file
diff --git a/libs/ui/include_vndk/ui/ColorSpace.h b/libs/ui/include_vndk/ui/ColorSpace.h
new file mode 120000
index 0000000..ddf70d5
--- /dev/null
+++ b/libs/ui/include_vndk/ui/ColorSpace.h
@@ -0,0 +1 @@
+../../include/ui/ColorSpace.h
\ No newline at end of file
diff --git a/libs/ui/include_vndk/ui/DebugUtils.h b/libs/ui/include_vndk/ui/DebugUtils.h
new file mode 120000
index 0000000..8461bb3
--- /dev/null
+++ b/libs/ui/include_vndk/ui/DebugUtils.h
@@ -0,0 +1 @@
+../../include/ui/DebugUtils.h
\ No newline at end of file
diff --git a/libs/ui/include_vndk/ui/DisplayInfo.h b/libs/ui/include_vndk/ui/DisplayInfo.h
new file mode 120000
index 0000000..75f14cf
--- /dev/null
+++ b/libs/ui/include_vndk/ui/DisplayInfo.h
@@ -0,0 +1 @@
+../../include/ui/DisplayInfo.h
\ No newline at end of file
diff --git a/libs/ui/include_vndk/ui/DisplayStatInfo.h b/libs/ui/include_vndk/ui/DisplayStatInfo.h
new file mode 120000
index 0000000..6689ad3
--- /dev/null
+++ b/libs/ui/include_vndk/ui/DisplayStatInfo.h
@@ -0,0 +1 @@
+../../include/ui/DisplayStatInfo.h
\ No newline at end of file
diff --git a/libs/ui/include_vndk/ui/Fence.h b/libs/ui/include_vndk/ui/Fence.h
new file mode 120000
index 0000000..b110201
--- /dev/null
+++ b/libs/ui/include_vndk/ui/Fence.h
@@ -0,0 +1 @@
+../../include/ui/Fence.h
\ No newline at end of file
diff --git a/libs/ui/include_vndk/ui/FenceTime.h b/libs/ui/include_vndk/ui/FenceTime.h
new file mode 120000
index 0000000..01a6ff2
--- /dev/null
+++ b/libs/ui/include_vndk/ui/FenceTime.h
@@ -0,0 +1 @@
+../../include/ui/FenceTime.h
\ No newline at end of file
diff --git a/libs/ui/include_vndk/ui/FloatRect.h b/libs/ui/include_vndk/ui/FloatRect.h
new file mode 120000
index 0000000..a526211
--- /dev/null
+++ b/libs/ui/include_vndk/ui/FloatRect.h
@@ -0,0 +1 @@
+../../include/ui/FloatRect.h
\ No newline at end of file
diff --git a/libs/ui/include_vndk/ui/FrameStats.h b/libs/ui/include_vndk/ui/FrameStats.h
new file mode 120000
index 0000000..e68e5c8
--- /dev/null
+++ b/libs/ui/include_vndk/ui/FrameStats.h
@@ -0,0 +1 @@
+../../include/ui/FrameStats.h
\ No newline at end of file
diff --git a/libs/ui/include_vndk/ui/Gralloc2.h b/libs/ui/include_vndk/ui/Gralloc2.h
new file mode 120000
index 0000000..66098c4
--- /dev/null
+++ b/libs/ui/include_vndk/ui/Gralloc2.h
@@ -0,0 +1 @@
+../../include/ui/Gralloc2.h
\ No newline at end of file
diff --git a/libs/ui/include_vndk/ui/GraphicBuffer.h b/libs/ui/include_vndk/ui/GraphicBuffer.h
new file mode 120000
index 0000000..445eae5
--- /dev/null
+++ b/libs/ui/include_vndk/ui/GraphicBuffer.h
@@ -0,0 +1 @@
+../../include/ui/GraphicBuffer.h
\ No newline at end of file
diff --git a/libs/ui/include_vndk/ui/GraphicBufferAllocator.h b/libs/ui/include_vndk/ui/GraphicBufferAllocator.h
new file mode 120000
index 0000000..9634533
--- /dev/null
+++ b/libs/ui/include_vndk/ui/GraphicBufferAllocator.h
@@ -0,0 +1 @@
+../../include/ui/GraphicBufferAllocator.h
\ No newline at end of file
diff --git a/libs/ui/include_vndk/ui/GraphicBufferMapper.h b/libs/ui/include_vndk/ui/GraphicBufferMapper.h
new file mode 120000
index 0000000..c3b3a7c
--- /dev/null
+++ b/libs/ui/include_vndk/ui/GraphicBufferMapper.h
@@ -0,0 +1 @@
+../../include/ui/GraphicBufferMapper.h
\ No newline at end of file
diff --git a/libs/ui/include_vndk/ui/GraphicTypes.h b/libs/ui/include_vndk/ui/GraphicTypes.h
new file mode 120000
index 0000000..b1859e0
--- /dev/null
+++ b/libs/ui/include_vndk/ui/GraphicTypes.h
@@ -0,0 +1 @@
+../../include/ui/GraphicTypes.h
\ No newline at end of file
diff --git a/libs/ui/include_vndk/ui/HdrCapabilities.h b/libs/ui/include_vndk/ui/HdrCapabilities.h
new file mode 120000
index 0000000..a240828
--- /dev/null
+++ b/libs/ui/include_vndk/ui/HdrCapabilities.h
@@ -0,0 +1 @@
+../../include/ui/HdrCapabilities.h
\ No newline at end of file
diff --git a/libs/ui/include_vndk/ui/PixelFormat.h b/libs/ui/include_vndk/ui/PixelFormat.h
new file mode 120000
index 0000000..0aba056
--- /dev/null
+++ b/libs/ui/include_vndk/ui/PixelFormat.h
@@ -0,0 +1 @@
+../../include/ui/PixelFormat.h
\ No newline at end of file
diff --git a/libs/ui/include_vndk/ui/Point.h b/libs/ui/include_vndk/ui/Point.h
new file mode 120000
index 0000000..0aeda3e
--- /dev/null
+++ b/libs/ui/include_vndk/ui/Point.h
@@ -0,0 +1 @@
+../../include/ui/Point.h
\ No newline at end of file
diff --git a/libs/ui/include_vndk/ui/Rect.h b/libs/ui/include_vndk/ui/Rect.h
new file mode 120000
index 0000000..01ed689
--- /dev/null
+++ b/libs/ui/include_vndk/ui/Rect.h
@@ -0,0 +1 @@
+../../include/ui/Rect.h
\ No newline at end of file
diff --git a/libs/ui/include_vndk/ui/Region.h b/libs/ui/include_vndk/ui/Region.h
new file mode 120000
index 0000000..3f829bf
--- /dev/null
+++ b/libs/ui/include_vndk/ui/Region.h
@@ -0,0 +1 @@
+../../include/ui/Region.h
\ No newline at end of file
diff --git a/libs/ui/include_vndk/ui/UiConfig.h b/libs/ui/include_vndk/ui/UiConfig.h
new file mode 120000
index 0000000..f580ce1
--- /dev/null
+++ b/libs/ui/include_vndk/ui/UiConfig.h
@@ -0,0 +1 @@
+../../include/ui/UiConfig.h
\ No newline at end of file
diff --git a/libs/ui/tests/Android.bp b/libs/ui/tests/Android.bp
index 08067fc..aef6428 100644
--- a/libs/ui/tests/Android.bp
+++ b/libs/ui/tests/Android.bp
@@ -27,3 +27,10 @@
     srcs: ["colorspace_test.cpp"],
     cflags: ["-Wall", "-Werror"],
 }
+
+cc_test {
+    name: "GraphicBuffer_test",
+    shared_libs: ["libpdx_default_transport", "libui", "libutils"],
+    srcs: ["GraphicBuffer_test.cpp"],
+    cflags: ["-Wall", "-Werror"],
+}
diff --git a/libs/ui/tests/GraphicBuffer_test.cpp b/libs/ui/tests/GraphicBuffer_test.cpp
new file mode 100644
index 0000000..eb679ac
--- /dev/null
+++ b/libs/ui/tests/GraphicBuffer_test.cpp
@@ -0,0 +1,64 @@
+/*
+ * Copyright 2018 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.
+ */
+
+#define LOG_TAG "GraphicBufferTest"
+
+#include <ui/DetachedBufferHandle.h>
+#include <ui/GraphicBuffer.h>
+
+#include <gtest/gtest.h>
+
+namespace android {
+
+namespace {
+
+constexpr uint32_t kTestWidth = 1024;
+constexpr uint32_t kTestHeight = 1;
+constexpr uint32_t kTestFormat = HAL_PIXEL_FORMAT_BLOB;
+constexpr uint32_t kTestLayerCount = 1;
+constexpr uint64_t kTestUsage = GraphicBuffer::USAGE_SW_WRITE_OFTEN;
+
+} // namespace
+
+class GraphicBufferTest : public testing::Test {};
+
+TEST_F(GraphicBufferTest, DetachedBuffer) {
+    sp<GraphicBuffer> buffer(
+            new GraphicBuffer(kTestWidth, kTestHeight, kTestFormat, kTestLayerCount, kTestUsage));
+
+    // Currently a newly allocated GraphicBuffer is in legacy mode, i.e. not associated with
+    // BufferHub. But this may change in the future.
+    EXPECT_FALSE(buffer->isDetachedBuffer());
+
+    pdx::LocalChannelHandle channel{nullptr, 1234};
+    EXPECT_TRUE(channel.valid());
+
+    std::unique_ptr<DetachedBufferHandle> handle = DetachedBufferHandle::Create(std::move(channel));
+    EXPECT_FALSE(channel.valid());
+    EXPECT_TRUE(handle->isValid());
+    EXPECT_TRUE(handle->handle().valid());
+
+    buffer->setDetachedBufferHandle(std::move(handle));
+    EXPECT_TRUE(handle == nullptr);
+    EXPECT_TRUE(buffer->isDetachedBuffer());
+
+    handle = buffer->takeDetachedBufferHandle();
+    EXPECT_TRUE(handle != nullptr);
+    EXPECT_TRUE(handle->isValid());
+    EXPECT_FALSE(buffer->isDetachedBuffer());
+}
+
+} // namespace android
diff --git a/services/surfaceflinger/Android.bp b/services/surfaceflinger/Android.bp
index ba28eb5..ff994f5 100644
--- a/services/surfaceflinger/Android.bp
+++ b/services/surfaceflinger/Android.bp
@@ -105,6 +105,7 @@
         "Layer.cpp",
         "LayerProtoHelper.cpp",
         "LayerRejecter.cpp",
+        "LayerStats.cpp",
         "LayerVector.cpp",
         "MessageQueue.cpp",
         "MonitoredProducer.cpp",
diff --git a/services/surfaceflinger/BufferLayer.cpp b/services/surfaceflinger/BufferLayer.cpp
index 9200207..82300e6 100644
--- a/services/surfaceflinger/BufferLayer.cpp
+++ b/services/surfaceflinger/BufferLayer.cpp
@@ -829,7 +829,7 @@
                               getColor());
     engine.setSourceDataSpace(mCurrentState.dataSpace);
 
-    if (mCurrentState.dataSpace == HAL_DATASPACE_BT2020_ITU_PQ &&
+    if (mCurrentState.dataSpace == ui::Dataspace::BT2020_ITU_PQ &&
         mConsumer->getCurrentApi() == NATIVE_WINDOW_API_MEDIA &&
         getBE().compositionInfo.mBuffer->getPixelFormat() == HAL_PIXEL_FORMAT_RGBA_1010102) {
         engine.setSourceY410BT2020(true);
diff --git a/services/surfaceflinger/BufferLayerConsumer.cpp b/services/surfaceflinger/BufferLayerConsumer.cpp
index 46ec0e3..6b4f5db 100644
--- a/services/surfaceflinger/BufferLayerConsumer.cpp
+++ b/services/surfaceflinger/BufferLayerConsumer.cpp
@@ -65,7 +65,7 @@
         mCurrentScalingMode(NATIVE_WINDOW_SCALING_MODE_FREEZE),
         mCurrentFence(Fence::NO_FENCE),
         mCurrentTimestamp(0),
-        mCurrentDataSpace(HAL_DATASPACE_UNKNOWN),
+        mCurrentDataSpace(ui::Dataspace::UNKNOWN),
         mCurrentFrameNumber(0),
         mCurrentTransformToDisplayInverse(false),
         mCurrentSurfaceDamage(),
@@ -341,7 +341,7 @@
     mCurrentTransform = item.mTransform;
     mCurrentScalingMode = item.mScalingMode;
     mCurrentTimestamp = item.mTimestamp;
-    mCurrentDataSpace = item.mDataSpace;
+    mCurrentDataSpace = static_cast<ui::Dataspace>(item.mDataSpace);
     mCurrentHdrMetadata = item.mHdrMetadata;
     mCurrentFence = item.mFence;
     mCurrentFenceTime = item.mFenceTime;
@@ -445,7 +445,7 @@
     return mCurrentTimestamp;
 }
 
-android_dataspace BufferLayerConsumer::getCurrentDataSpace() {
+ui::Dataspace BufferLayerConsumer::getCurrentDataSpace() {
     BLC_LOGV("getCurrentDataSpace");
     Mutex::Autolock lock(mMutex);
     return mCurrentDataSpace;
diff --git a/services/surfaceflinger/BufferLayerConsumer.h b/services/surfaceflinger/BufferLayerConsumer.h
index 11048d8..f81cdb1 100644
--- a/services/surfaceflinger/BufferLayerConsumer.h
+++ b/services/surfaceflinger/BufferLayerConsumer.h
@@ -23,6 +23,7 @@
 
 #include <ui/FenceTime.h>
 #include <ui/GraphicBuffer.h>
+#include <ui/GraphicTypes.h>
 #include <ui/Region.h>
 
 #include <utils/String8.h>
@@ -122,7 +123,7 @@
 
     // getDataSpace retrieves the DataSpace associated with the texture image
     // set by the most recent call to updateTexImage.
-    android_dataspace getCurrentDataSpace();
+    ui::Dataspace getCurrentDataSpace();
 
     // getCurrentHdrMetadata retrieves the HDR metadata associated with the
     // texture image set by the most recent call to updateTexImage.
@@ -324,7 +325,7 @@
 
     // mCurrentDataSpace is the dataspace for the current texture. It
     // gets set each time updateTexImage is called.
-    android_dataspace mCurrentDataSpace;
+    ui::Dataspace mCurrentDataSpace;
 
     // mCurrentHdrMetadata is the HDR metadata for the current texture. It
     // gets set each time updateTexImage is called.
diff --git a/services/surfaceflinger/DisplayDevice.cpp b/services/surfaceflinger/DisplayDevice.cpp
index 93cb849..58a774b 100644
--- a/services/surfaceflinger/DisplayDevice.cpp
+++ b/services/surfaceflinger/DisplayDevice.cpp
@@ -97,6 +97,7 @@
       mPowerMode(initialPowerMode),
       mActiveConfig(0),
       mActiveColorMode(ColorMode::NATIVE),
+      mColorTransform(HAL_COLOR_TRANSFORM_IDENTITY),
       mDisplayHasWideColor(supportWideColor),
       mDisplayHasHdr(supportHdr)
 {
@@ -267,9 +268,19 @@
     return mActiveColorMode;
 }
 
-void DisplayDevice::setCompositionDataSpace(android_dataspace dataspace) {
+void DisplayDevice::setColorTransform(const mat4& transform) {
+    const bool isIdentity = (transform == mat4());
+    mColorTransform =
+            isIdentity ? HAL_COLOR_TRANSFORM_IDENTITY : HAL_COLOR_TRANSFORM_ARBITRARY_MATRIX;
+}
+
+android_color_transform_t DisplayDevice::getColorTransform() const {
+    return mColorTransform;
+}
+
+void DisplayDevice::setCompositionDataSpace(ui::Dataspace dataspace) {
     ANativeWindow* const window = mNativeWindow.get();
-    native_window_set_buffers_data_space(window, dataspace);
+    native_window_set_buffers_data_space(window, static_cast<android_dataspace>(dataspace));
 }
 
 // ----------------------------------------------------------------------------
@@ -452,12 +463,11 @@
                         mScissor.top, mScissor.right, mScissor.bottom, tr[0][0], tr[1][0], tr[2][0],
                         tr[0][1], tr[1][1], tr[2][1], tr[0][2], tr[1][2], tr[2][2]);
     auto const surface = static_cast<Surface*>(window);
-    android_dataspace dataspace = surface->getBuffersDataSpace();
+    ui::Dataspace dataspace = surface->getBuffersDataSpace();
     result.appendFormat("   wideColor=%d, hdr=%d, colorMode=%s, dataspace: %s (%d)\n",
                         mDisplayHasWideColor, mDisplayHasHdr,
                         decodeColorMode(mActiveColorMode).c_str(),
-                        dataspaceDetails(dataspace).c_str(), dataspace);
-
+                        dataspaceDetails(static_cast<android_dataspace>(dataspace)).c_str(), dataspace);
 
     String8 surfaceDump;
     mDisplaySurface->dumpAsString(surfaceDump);
diff --git a/services/surfaceflinger/DisplayDevice.h b/services/surfaceflinger/DisplayDevice.h
index df729f5..e844d11 100644
--- a/services/surfaceflinger/DisplayDevice.h
+++ b/services/surfaceflinger/DisplayDevice.h
@@ -21,6 +21,8 @@
 
 #include <stdlib.h>
 
+#include <math/mat4.h>
+
 #include <ui/Region.h>
 
 #include <binder/IBinder.h>
@@ -163,7 +165,9 @@
 
     ui::ColorMode getActiveColorMode() const;
     void setActiveColorMode(ui::ColorMode mode);
-    void setCompositionDataSpace(android_dataspace dataspace);
+    android_color_transform_t getColorTransform() const;
+    void setColorTransform(const mat4& transform);
+    void setCompositionDataSpace(ui::Dataspace dataspace);
 
     /* ------------------------------------------------------------------------
      * Display active config management.
@@ -237,6 +241,8 @@
     int mActiveConfig;
     // current active color mode
     ui::ColorMode mActiveColorMode;
+    // Current color transform
+    android_color_transform_t mColorTransform;
 
     // Need to know if display is wide-color capable or not.
     // Initialized by SurfaceFlinger when the DisplayDevice is created.
diff --git a/services/surfaceflinger/DisplayHardware/ComposerHal.cpp b/services/surfaceflinger/DisplayHardware/ComposerHal.cpp
index 0425a8a..bbffd0a 100644
--- a/services/surfaceflinger/DisplayHardware/ComposerHal.cpp
+++ b/services/surfaceflinger/DisplayHardware/ComposerHal.cpp
@@ -32,6 +32,7 @@
 using hardware::Return;
 using hardware::hidl_vec;
 using hardware::hidl_handle;
+using namespace hardware::graphics::common;
 using namespace hardware::graphics::composer;
 using PerFrameMetadata = hardware::graphics::composer::V2_2::IComposerClient::PerFrameMetadata;
 using PerFrameMetadataKey =
@@ -256,17 +257,32 @@
 {
     const uint32_t bufferSlotCount = 1;
     Error error = kDefaultError;
-    mClient->createVirtualDisplay(width, height, *format, bufferSlotCount,
-            [&](const auto& tmpError, const auto& tmpDisplay,
-                const auto& tmpFormat) {
-                error = tmpError;
-                if (error != Error::NONE) {
-                    return;
-                }
+    if (mClient_2_2) {
+        mClient_2_2->createVirtualDisplay_2_2(width, height, *format, bufferSlotCount,
+                [&](const auto& tmpError, const auto& tmpDisplay,
+                    const auto& tmpFormat) {
+                    error = tmpError;
+                    if (error != Error::NONE) {
+                        return;
+                    }
 
-                *outDisplay = tmpDisplay;
-                *format = tmpFormat;
+                    *outDisplay = tmpDisplay;
+                    *format = tmpFormat;
+                });
+    } else {
+        mClient->createVirtualDisplay(width, height,
+                static_cast<V1_0::PixelFormat>(*format), bufferSlotCount,
+                [&](const auto& tmpError, const auto& tmpDisplay,
+                    const auto& tmpFormat) {
+                    error = tmpError;
+                    if (error != Error::NONE) {
+                        return;
+                    }
+
+                    *outDisplay = tmpDisplay;
+                    *format = static_cast<PixelFormat>(tmpFormat);
             });
+    }
 
     return error;
 }
@@ -522,7 +538,7 @@
             .height = target->getHeight(),
             .stride = target->getStride(),
             .layerCount = target->getLayerCount(),
-            .format = static_cast<PixelFormat>(target->getPixelFormat()),
+            .format = static_cast<V1_0::PixelFormat>(target->getPixelFormat()),
             .usage = target->getUsage(),
         };
         mWriter.setClientTargetMetadata(metadata);
@@ -645,7 +661,7 @@
             .height = buffer->getHeight(),
             .stride = buffer->getStride(),
             .layerCount = buffer->getLayerCount(),
-            .format = static_cast<PixelFormat>(buffer->getPixelFormat()),
+            .format = static_cast<V1_0::PixelFormat>(buffer->getPixelFormat()),
             .usage = buffer->getUsage(),
         };
         mWriter.setLayerBufferMetadata(metadata);
@@ -742,7 +758,7 @@
                                   metadata.cta8613.maxFrameAverageLightLevel}});
     }
 
-    mWriter.setPerFrameMetadata(composerMetadata);
+    mWriter.setLayerPerFrameMetadata(composerMetadata);
     return Error::NONE;
 }
 
diff --git a/services/surfaceflinger/DisplayHardware/ComposerHal.h b/services/surfaceflinger/DisplayHardware/ComposerHal.h
index c0373aa..98f2f9d 100644
--- a/services/surfaceflinger/DisplayHardware/ComposerHal.h
+++ b/services/surfaceflinger/DisplayHardware/ComposerHal.h
@@ -24,6 +24,7 @@
 #include <vector>
 
 #include <android/frameworks/vr/composer/1.0/IVrComposerClient.h>
+#include <android/hardware/graphics/common/1.1/types.h>
 #include <android/hardware/graphics/composer/2.2/IComposer.h>
 #include <android/hardware/graphics/composer/2.2/IComposerClient.h>
 #include <composer-command-buffer/2.2/ComposerCommandBuffer.h>
@@ -39,10 +40,10 @@
 
 using android::hardware::graphics::common::V1_0::ColorMode;
 using android::hardware::graphics::common::V1_0::ColorTransform;
-using android::hardware::graphics::common::V1_0::Dataspace;
 using android::hardware::graphics::common::V1_0::Hdr;
-using android::hardware::graphics::common::V1_0::PixelFormat;
 using android::hardware::graphics::common::V1_0::Transform;
+using android::hardware::graphics::common::V1_1::Dataspace;
+using android::hardware::graphics::common::V1_1::PixelFormat;
 
 using android::hardware::graphics::composer::V2_1::Config;
 using android::hardware::graphics::composer::V2_1::Display;
diff --git a/services/surfaceflinger/DisplayHardware/FramebufferSurface.cpp b/services/surfaceflinger/DisplayHardware/FramebufferSurface.cpp
index 9398bde..e6d7834 100644
--- a/services/surfaceflinger/DisplayHardware/FramebufferSurface.cpp
+++ b/services/surfaceflinger/DisplayHardware/FramebufferSurface.cpp
@@ -44,6 +44,8 @@
 namespace android {
 // ----------------------------------------------------------------------------
 
+using ui::Dataspace;
+
 /*
  * This implements the (main) framebuffer management. This class is used
  * mostly by SurfaceFlinger, but also by command line GL application.
@@ -92,7 +94,7 @@
     uint32_t slot = 0;
     sp<GraphicBuffer> buf;
     sp<Fence> acquireFence(Fence::NO_FENCE);
-    android_dataspace_t dataspace = HAL_DATASPACE_UNKNOWN;
+    Dataspace dataspace = Dataspace::UNKNOWN;
     status_t result = nextBuffer(slot, buf, acquireFence, dataspace);
     mDataSpace = dataspace;
     if (result != NO_ERROR) {
@@ -104,7 +106,7 @@
 
 status_t FramebufferSurface::nextBuffer(uint32_t& outSlot,
         sp<GraphicBuffer>& outBuffer, sp<Fence>& outFence,
-        android_dataspace_t& outDataspace) {
+        Dataspace& outDataspace) {
     Mutex::Autolock lock(mMutex);
 
     BufferItem item;
@@ -139,7 +141,7 @@
     outFence = item.mFence;
     mHwcBufferCache.getHwcBuffer(mCurrentBufferSlot, mCurrentBuffer,
             &outSlot, &outBuffer);
-    outDataspace = item.mDataSpace;
+    outDataspace = static_cast<Dataspace>(item.mDataSpace);
     status_t result =
             mHwc.setClientTarget(mDisplayType, outSlot, outFence, outBuffer, outDataspace);
     if (result != NO_ERROR) {
@@ -178,7 +180,8 @@
 void FramebufferSurface::dumpAsString(String8& result) const {
     Mutex::Autolock lock(mMutex);
     result.appendFormat("  FramebufferSurface: dataspace: %s(%d)\n",
-                        dataspaceDetails(mDataSpace).c_str(), mDataSpace);
+                        dataspaceDetails(static_cast<android_dataspace>(mDataSpace)).c_str(),
+                        mDataSpace);
     ConsumerBase::dumpLocked(result, "   ");
 }
 
diff --git a/services/surfaceflinger/DisplayHardware/FramebufferSurface.h b/services/surfaceflinger/DisplayHardware/FramebufferSurface.h
index ed756c4..0fd8e9e 100644
--- a/services/surfaceflinger/DisplayHardware/FramebufferSurface.h
+++ b/services/surfaceflinger/DisplayHardware/FramebufferSurface.h
@@ -61,7 +61,7 @@
     // BufferQueue and releases the previously latched buffer to the
     // BufferQueue.  The new buffer is returned in the 'buffer' argument.
     status_t nextBuffer(uint32_t& outSlot, sp<GraphicBuffer>& outBuffer,
-            sp<Fence>& outFence, android_dataspace_t& outDataspace);
+            sp<Fence>& outFence, ui::Dataspace& outDataspace);
 
     // mDisplayType must match one of the HWC display types
     int mDisplayType;
@@ -76,7 +76,7 @@
     // compositing. Otherwise it will display the dataspace of the buffer
     // use for compositing which can change as wide-color content is
     // on/off.
-    android_dataspace mDataSpace;
+    ui::Dataspace mDataSpace;
 
     // mCurrentBuffer is the current buffer or nullptr to indicate that there is
     // no current buffer.
diff --git a/services/surfaceflinger/DisplayHardware/HWC2.cpp b/services/surfaceflinger/DisplayHardware/HWC2.cpp
index 98daec3..2686788 100644
--- a/services/surfaceflinger/DisplayHardware/HWC2.cpp
+++ b/services/surfaceflinger/DisplayHardware/HWC2.cpp
@@ -47,6 +47,9 @@
 namespace HWC2 {
 
 namespace Hwc2 = android::Hwc2;
+using android::ui::ColorMode;
+using android::ui::Dataspace;
+using android::ui::PixelFormat;
 
 namespace {
 
@@ -114,14 +117,13 @@
 }
 
 Error Device::createVirtualDisplay(uint32_t width, uint32_t height,
-        android_pixel_format_t* format, Display** outDisplay)
+        PixelFormat* format, Display** outDisplay)
 {
     ALOGI("Creating virtual display");
 
     hwc2_display_t displayId = 0;
-    auto intFormat = static_cast<Hwc2::PixelFormat>(*format);
     auto intError = mComposer->createVirtualDisplay(width, height,
-            &intFormat, &displayId);
+            format, &displayId);
     auto error = static_cast<Error>(intError);
     if (error != Error::None) {
         return error;
@@ -131,7 +133,6 @@
             *mComposer.get(), mCapabilities, displayId, DisplayType::Virtual);
     display->setConnected(true);
     *outDisplay = display.get();
-    *format = static_cast<android_pixel_format_t>(intFormat);
     mDisplays.emplace(displayId, std::move(display));
     ALOGI("Created virtual display");
     return Error::None;
@@ -362,11 +363,10 @@
     return Error::None;
 }
 
-Error Display::getColorModes(std::vector<android::ui::ColorMode>* outModes) const
+Error Display::getColorModes(std::vector<ColorMode>* outModes) const
 {
     auto intError = mComposer.getColorModes(mId, outModes);
     return static_cast<Error>(intError);
-    return Error::None;
 }
 
 std::vector<std::shared_ptr<const Display::Config>> Display::getConfigs() const
@@ -517,17 +517,16 @@
 }
 
 Error Display::setClientTarget(uint32_t slot, const sp<GraphicBuffer>& target,
-        const sp<Fence>& acquireFence, android_dataspace_t dataspace)
+        const sp<Fence>& acquireFence, Dataspace dataspace)
 {
     // TODO: Properly encode client target surface damage
     int32_t fenceFd = acquireFence->dup();
     auto intError = mComposer.setClientTarget(mId, slot, target,
-            fenceFd, static_cast<Hwc2::Dataspace>(dataspace),
-            std::vector<Hwc2::IComposerClient::Rect>());
+            fenceFd, dataspace, std::vector<Hwc2::IComposerClient::Rect>());
     return static_cast<Error>(intError);
 }
 
-Error Display::setColorMode(android::ui::ColorMode mode)
+Error Display::setColorMode(ColorMode mode)
 {
     auto intError = mComposer.setColorMode(mId, mode);
     return static_cast<Error>(intError);
@@ -766,14 +765,13 @@
     return static_cast<Error>(intError);
 }
 
-Error Layer::setDataspace(android_dataspace_t dataspace)
+Error Layer::setDataspace(Dataspace dataspace)
 {
     if (dataspace == mDataSpace) {
         return Error::None;
     }
     mDataSpace = dataspace;
-    auto intDataspace = static_cast<Hwc2::Dataspace>(dataspace);
-    auto intError = mComposer.setLayerDataspace(mDisplayId, mId, intDataspace);
+    auto intError = mComposer.setLayerDataspace(mDisplayId, mId, mDataSpace);
     return static_cast<Error>(intError);
 }
 
diff --git a/services/surfaceflinger/DisplayHardware/HWC2.h b/services/surfaceflinger/DisplayHardware/HWC2.h
index 71c094a..9b870e3 100644
--- a/services/surfaceflinger/DisplayHardware/HWC2.h
+++ b/services/surfaceflinger/DisplayHardware/HWC2.h
@@ -96,7 +96,7 @@
 
     uint32_t getMaxVirtualDisplayCount() const;
     Error createVirtualDisplay(uint32_t width, uint32_t height,
-            android_pixel_format_t* format, Display** outDisplay);
+            android::ui::PixelFormat* format, Display** outDisplay);
     void destroyDisplay(hwc2_display_t displayId);
 
     void onHotplug(hwc2_display_t displayId, Connection connection);
@@ -234,7 +234,7 @@
     [[clang::warn_unused_result]] Error setClientTarget(
             uint32_t slot, const android::sp<android::GraphicBuffer>& target,
             const android::sp<android::Fence>& acquireFence,
-            android_dataspace_t dataspace);
+            android::ui::Dataspace dataspace);
     [[clang::warn_unused_result]] Error setColorMode(
             android::ui::ColorMode mode);
     [[clang::warn_unused_result]] Error setColorTransform(
@@ -311,7 +311,7 @@
     [[clang::warn_unused_result]] Error setColor(hwc_color_t color);
     [[clang::warn_unused_result]] Error setCompositionType(Composition type);
     [[clang::warn_unused_result]] Error setDataspace(
-            android_dataspace_t dataspace);
+            android::ui::Dataspace dataspace);
     [[clang::warn_unused_result]] Error setHdrMetadata(const android::HdrMetadata& metadata);
     [[clang::warn_unused_result]] Error setDisplayFrame(
             const android::Rect& frame);
@@ -335,7 +335,7 @@
 
     hwc2_display_t mDisplayId;
     hwc2_layer_t mId;
-    android_dataspace mDataSpace = HAL_DATASPACE_UNKNOWN;
+    android::ui::Dataspace mDataSpace = android::ui::Dataspace::UNKNOWN;
     android::HdrMetadata mHdrMetadata;
     std::function<void(Layer*)> mLayerDestroyedListener;
 };
diff --git a/services/surfaceflinger/DisplayHardware/HWComposer.cpp b/services/surfaceflinger/DisplayHardware/HWComposer.cpp
index 6bf2ee9..29e2727 100644
--- a/services/surfaceflinger/DisplayHardware/HWComposer.cpp
+++ b/services/surfaceflinger/DisplayHardware/HWComposer.cpp
@@ -179,7 +179,7 @@
 }
 
 status_t HWComposer::allocateVirtualDisplay(uint32_t width, uint32_t height,
-        android_pixel_format_t* format, int32_t *outId) {
+        ui::PixelFormat* format, int32_t *outId) {
     if (mRemainingHwcVirtualDisplays == 0) {
         ALOGE("allocateVirtualDisplay: No remaining virtual displays");
         return NO_MEMORY;
@@ -387,7 +387,7 @@
 
 status_t HWComposer::setClientTarget(int32_t displayId, uint32_t slot,
         const sp<Fence>& acquireFence, const sp<GraphicBuffer>& target,
-        android_dataspace_t dataspace) {
+        ui::Dataspace dataspace) {
     if (!isValidDisplay(displayId)) {
         return BAD_INDEX;
     }
diff --git a/services/surfaceflinger/DisplayHardware/HWComposer.h b/services/surfaceflinger/DisplayHardware/HWComposer.h
index 0366a0d..6e2e156 100644
--- a/services/surfaceflinger/DisplayHardware/HWComposer.h
+++ b/services/surfaceflinger/DisplayHardware/HWComposer.h
@@ -80,7 +80,7 @@
     // Attempts to allocate a virtual display. If the virtual display is created
     // on the HWC device, outId will contain its HWC ID.
     status_t allocateVirtualDisplay(uint32_t width, uint32_t height,
-            android_pixel_format_t* format, int32_t* outId);
+            ui::PixelFormat* format, int32_t* outId);
 
     // Attempts to create a new layer on this display
     HWC2::Layer* createLayer(int32_t displayId);
@@ -92,7 +92,7 @@
 
     status_t setClientTarget(int32_t displayId, uint32_t slot,
             const sp<Fence>& acquireFence,
-            const sp<GraphicBuffer>& target, android_dataspace_t dataspace);
+            const sp<GraphicBuffer>& target, ui::Dataspace dataspace);
 
     // Present layers to the display and read releaseFences.
     status_t presentAndGetReleaseFences(int32_t displayId);
diff --git a/services/surfaceflinger/DisplayHardware/VirtualDisplaySurface.cpp b/services/surfaceflinger/DisplayHardware/VirtualDisplaySurface.cpp
index 3480b24..9a2817d 100644
--- a/services/surfaceflinger/DisplayHardware/VirtualDisplaySurface.cpp
+++ b/services/surfaceflinger/DisplayHardware/VirtualDisplaySurface.cpp
@@ -222,7 +222,7 @@
 
         // TODO: Correctly propagate the dataspace from GL composition
         result = mHwc.setClientTarget(mDisplayId, hwcSlot, mFbFence,
-                hwcBuffer, HAL_DATASPACE_UNKNOWN);
+                hwcBuffer, ui::Dataspace::UNKNOWN);
     }
 
     return result;
diff --git a/services/surfaceflinger/Layer.cpp b/services/surfaceflinger/Layer.cpp
index 166ac22..9d356d8 100644
--- a/services/surfaceflinger/Layer.cpp
+++ b/services/surfaceflinger/Layer.cpp
@@ -42,6 +42,7 @@
 #include <gui/LayerDebugInfo.h>
 #include <gui/Surface.h>
 
+#include "BufferLayer.h"
 #include "Colorizer.h"
 #include "DisplayDevice.h"
 #include "Layer.h"
@@ -121,7 +122,7 @@
     mCurrentState.layerStack = 0;
     mCurrentState.sequence = 0;
     mCurrentState.requested = mCurrentState.active;
-    mCurrentState.dataSpace = HAL_DATASPACE_UNKNOWN;
+    mCurrentState.dataSpace = ui::Dataspace::UNKNOWN;
     mCurrentState.appId = 0;
     mCurrentState.type = 0;
 
@@ -635,6 +636,7 @@
         hwcInfo.forceClientComposition = true;
     } else {
         auto transform = static_cast<HWC2::Transform>(orientation);
+        hwcInfo.transform = transform;
         auto error = hwcLayer->setTransform(transform);
         ALOGE_IF(error != HWC2::Error::None,
                  "[%s] Failed to set transform %s: "
@@ -1325,7 +1327,7 @@
     return true;
 }
 
-bool Layer::setDataSpace(android_dataspace dataSpace) {
+bool Layer::setDataSpace(ui::Dataspace dataSpace) {
     if (mCurrentState.dataSpace == dataSpace) return false;
     mCurrentState.sequence++;
     mCurrentState.dataSpace = dataSpace;
@@ -1334,7 +1336,7 @@
     return true;
 }
 
-android_dataspace Layer::getDataSpace() const {
+ui::Dataspace Layer::getDataSpace() const {
     return mCurrentState.dataSpace;
 }
 
@@ -1430,7 +1432,7 @@
     info.mColor = ds.color;
     info.mFlags = ds.flags;
     info.mPixelFormat = getPixelFormat();
-    info.mDataSpace = getDataSpace();
+    info.mDataSpace = static_cast<android_dataspace>(getDataSpace());
     info.mMatrix[0][0] = ds.active.transform[0][0];
     info.mMatrix[0][1] = ds.active.transform[0][1];
     info.mMatrix[1][0] = ds.active.transform[1][0];
@@ -1893,7 +1895,7 @@
 
     layerInfo->set_is_opaque(isOpaque(state));
     layerInfo->set_invalidate(contentDirty);
-    layerInfo->set_dataspace(dataspaceDetails(getDataSpace()));
+    layerInfo->set_dataspace(dataspaceDetails(static_cast<android_dataspace>(getDataSpace())));
     layerInfo->set_pixel_format(decodePixelFormat(getPixelFormat()));
     LayerProtoHelper::writeToProto(getColor(), layerInfo->mutable_color());
     LayerProtoHelper::writeToProto(state.color, layerInfo->mutable_requested_color());
@@ -1923,6 +1925,31 @@
     layerInfo->set_app_id(state.appId);
 }
 
+void Layer::writeToProto(LayerProto* layerInfo, int32_t hwcId) {
+    writeToProto(layerInfo, LayerVector::StateSet::Drawing);
+
+    const auto& hwcInfo = getBE().mHwcLayers.at(hwcId);
+
+    const Rect& frame = hwcInfo.displayFrame;
+    LayerProtoHelper::writeToProto(frame, layerInfo->mutable_hwc_frame());
+
+    const FloatRect& crop = hwcInfo.sourceCrop;
+    LayerProtoHelper::writeToProto(crop, layerInfo->mutable_hwc_crop());
+
+    const int32_t transform = static_cast<int32_t>(hwcInfo.transform);
+    layerInfo->set_hwc_transform(transform);
+
+    const int32_t compositionType = static_cast<int32_t>(hwcInfo.compositionType);
+    layerInfo->set_hwc_composition_type(compositionType);
+
+    if (std::strcmp(getTypeId(), "BufferLayer") == 0 &&
+        static_cast<BufferLayer*>(this)->isProtected()) {
+        layerInfo->set_is_protected(true);
+    } else {
+        layerInfo->set_is_protected(false);
+    }
+}
+
 // ---------------------------------------------------------------------------
 
 }; // namespace android
diff --git a/services/surfaceflinger/Layer.h b/services/surfaceflinger/Layer.h
index 9a9b5e6..8d2a048 100644
--- a/services/surfaceflinger/Layer.h
+++ b/services/surfaceflinger/Layer.h
@@ -113,7 +113,8 @@
                 layer(nullptr),
                 forceClientComposition(false),
                 compositionType(HWC2::Composition::Invalid),
-                clearClientTarget(false) {}
+                clearClientTarget(false),
+                transform(HWC2::Transform::None) {}
 
         HWComposer* hwc;
         HWC2::Layer* layer;
@@ -123,6 +124,7 @@
         Rect displayFrame;
         FloatRect sourceCrop;
         HWComposerBufferCache bufferCache;
+        HWC2::Transform transform;
     };
 
     // A layer can be attached to multiple displays when operating in mirror mode
@@ -205,7 +207,7 @@
         // dependent.
         Region activeTransparentRegion;
         Region requestedTransparentRegion;
-        android_dataspace dataSpace;
+        ui::Dataspace dataSpace;
 
         int32_t appId;
         int32_t type;
@@ -283,8 +285,8 @@
     bool setTransparentRegionHint(const Region& transparent);
     bool setFlags(uint8_t flags, uint8_t mask);
     bool setLayerStack(uint32_t layerStack);
-    bool setDataSpace(android_dataspace dataSpace);
-    android_dataspace getDataSpace() const;
+    bool setDataSpace(ui::Dataspace dataSpace);
+    ui::Dataspace getDataSpace() const;
     uint32_t getLayerStack() const;
     void deferTransactionUntil(const sp<IBinder>& barrierHandle, uint64_t frameNumber);
     void deferTransactionUntil(const sp<Layer>& barrierLayer, uint64_t frameNumber);
@@ -357,6 +359,8 @@
     void writeToProto(LayerProto* layerInfo,
                       LayerVector::StateSet stateSet = LayerVector::StateSet::Drawing);
 
+    void writeToProto(LayerProto* layerInfo, int32_t hwcId);
+
 protected:
     /*
      * onDraw - draws the surface.
diff --git a/services/surfaceflinger/LayerProtoHelper.cpp b/services/surfaceflinger/LayerProtoHelper.cpp
index 6a33148..cc39550 100644
--- a/services/surfaceflinger/LayerProtoHelper.cpp
+++ b/services/surfaceflinger/LayerProtoHelper.cpp
@@ -37,6 +37,13 @@
     rectProto->set_right(rect.right);
 }
 
+void LayerProtoHelper::writeToProto(const FloatRect& rect, FloatRectProto* rectProto) {
+    rectProto->set_left(rect.left);
+    rectProto->set_top(rect.top);
+    rectProto->set_bottom(rect.bottom);
+    rectProto->set_right(rect.right);
+}
+
 void LayerProtoHelper::writeToProto(const half4 color, ColorProto* colorProto) {
     colorProto->set_r(color.r);
     colorProto->set_g(color.g);
diff --git a/services/surfaceflinger/LayerProtoHelper.h b/services/surfaceflinger/LayerProtoHelper.h
index 45a0b5d..860da63 100644
--- a/services/surfaceflinger/LayerProtoHelper.h
+++ b/services/surfaceflinger/LayerProtoHelper.h
@@ -29,6 +29,7 @@
 class LayerProtoHelper {
 public:
     static void writeToProto(const Rect& rect, RectProto* rectProto);
+    static void writeToProto(const FloatRect& rect, FloatRectProto* rectProto);
     static void writeToProto(const Region& region, RegionProto* regionProto);
     static void writeToProto(const half4 color, ColorProto* colorProto);
     static void writeToProto(const Transform& transform, TransformProto* transformProto);
@@ -36,4 +37,4 @@
 };
 
 } // namespace surfaceflinger
-} // namespace android
\ No newline at end of file
+} // namespace android
diff --git a/services/surfaceflinger/LayerStats.cpp b/services/surfaceflinger/LayerStats.cpp
new file mode 100644
index 0000000..38ea6ed
--- /dev/null
+++ b/services/surfaceflinger/LayerStats.cpp
@@ -0,0 +1,232 @@
+/*
+ * Copyright 2018 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.
+ */
+#undef LOG_TAG
+#define LOG_TAG "LayerStats"
+#define ATRACE_TAG ATRACE_TAG_GRAPHICS
+
+#include "LayerStats.h"
+#include "DisplayHardware/HWComposer.h"
+#include "ui/DebugUtils.h"
+
+#include <android-base/stringprintf.h>
+#include <log/log.h>
+#include <utils/String8.h>
+#include <utils/Trace.h>
+
+namespace android {
+
+void LayerStats::enable() {
+    ATRACE_CALL();
+    std::lock_guard<std::mutex> lock(mMutex);
+    if (mEnabled) return;
+    mLayerShapeStatsMap.clear();
+    mEnabled = true;
+    ALOGD("Logging enabled");
+}
+
+void LayerStats::disable() {
+    ATRACE_CALL();
+    std::lock_guard<std::mutex> lock(mMutex);
+    if (!mEnabled) return;
+    mEnabled = false;
+    ALOGD("Logging disabled");
+}
+
+void LayerStats::clear() {
+    ATRACE_CALL();
+    std::lock_guard<std::mutex> lock(mMutex);
+    mLayerShapeStatsMap.clear();
+    ALOGD("Cleared current layer stats");
+}
+
+bool LayerStats::isEnabled() {
+    return mEnabled;
+}
+
+void LayerStats::traverseLayerTreeStatsLocked(
+        std::vector<std::unique_ptr<LayerProtoParser::Layer>> layerTree,
+        const LayerProtoParser::LayerGlobal* layerGlobal, std::vector<std::string>& layerShapeVec) {
+    for (std::unique_ptr<LayerProtoParser::Layer>& layer : layerTree) {
+        if (!layer) continue;
+        traverseLayerTreeStatsLocked(std::move(layer->children), layerGlobal, layerShapeVec);
+        std::string key = "";
+        base::StringAppendF(&key, ",%s", layer->type.c_str());
+        base::StringAppendF(&key, ",%s", layerCompositionType(layer->hwcCompositionType));
+        base::StringAppendF(&key, ",%d", layer->isProtected);
+        base::StringAppendF(&key, ",%s", layerTransform(layer->hwcTransform));
+        base::StringAppendF(&key, ",%s", layerPixelFormat(layer->activeBuffer.format));
+        base::StringAppendF(&key, ",%s", layer->dataspace.c_str());
+        base::StringAppendF(&key, ",%s",
+                            destinationLocation(layer->hwcFrame.left, layerGlobal->resolution[0],
+                                                true));
+        base::StringAppendF(&key, ",%s",
+                            destinationLocation(layer->hwcFrame.top, layerGlobal->resolution[1],
+                                                false));
+        base::StringAppendF(&key, ",%s",
+                            destinationSize(layer->hwcFrame.right - layer->hwcFrame.left,
+                                            layerGlobal->resolution[0], true));
+        base::StringAppendF(&key, ",%s",
+                            destinationSize(layer->hwcFrame.bottom - layer->hwcFrame.top,
+                                            layerGlobal->resolution[1], false));
+        base::StringAppendF(&key, ",%s", scaleRatioWH(layer.get()).c_str());
+        base::StringAppendF(&key, ",%s", alpha(static_cast<float>(layer->color.a)));
+
+        layerShapeVec.push_back(key);
+        ALOGV("%s", key.c_str());
+    }
+}
+
+void LayerStats::logLayerStats(const LayersProto& layersProto) {
+    ATRACE_CALL();
+    ALOGV("Logging");
+    auto layerGlobal = LayerProtoParser::generateLayerGlobalInfo(layersProto);
+    auto layerTree = LayerProtoParser::generateLayerTree(layersProto);
+    std::vector<std::string> layerShapeVec;
+
+    std::lock_guard<std::mutex> lock(mMutex);
+    traverseLayerTreeStatsLocked(std::move(layerTree), &layerGlobal, layerShapeVec);
+
+    std::string layerShapeKey =
+            base::StringPrintf("%d,%s,%s,%s", static_cast<int32_t>(layerShapeVec.size()),
+                               layerGlobal.colorMode.c_str(), layerGlobal.colorTransform.c_str(),
+                               layerTransform(layerGlobal.globalTransform));
+    ALOGV("%s", layerShapeKey.c_str());
+
+    std::sort(layerShapeVec.begin(), layerShapeVec.end(), std::greater<std::string>());
+    for (auto const& s : layerShapeVec) {
+        layerShapeKey += s;
+    }
+
+    mLayerShapeStatsMap[layerShapeKey]++;
+}
+
+void LayerStats::dump(String8& result) {
+    ATRACE_CALL();
+    ALOGD("Dumping");
+    std::lock_guard<std::mutex> lock(mMutex);
+    result.append("Frequency,LayerCount,ColorMode,ColorTransform,Orientation\n");
+    result.append("LayerType,CompositionType,IsProtected,Transform,PixelFormat,Dataspace,");
+    result.append("DstX,DstY,DstWidth,DstHeight,WScale,HScale,Alpha\n");
+    for (auto& u : mLayerShapeStatsMap) {
+        result.appendFormat("%u,%s\n", u.second, u.first.c_str());
+    }
+}
+
+const char* LayerStats::destinationLocation(int32_t location, int32_t range, bool isHorizontal) {
+    static const char* locationArray[8] = {"0", "1/8", "1/4", "3/8", "1/2", "5/8", "3/4", "7/8"};
+    int32_t ratio = location * 8 / range;
+    if (ratio < 0) return "N/A";
+    if (isHorizontal) {
+        // X location is divided into 4 buckets {"0", "1/4", "1/2", "3/4"}
+        if (ratio > 6) return "3/4";
+        // use index 0, 2, 4, 6
+        return locationArray[ratio & ~1];
+    }
+    if (ratio > 7) return "7/8";
+    return locationArray[ratio];
+}
+
+const char* LayerStats::destinationSize(int32_t size, int32_t range, bool isWidth) {
+    static const char* sizeArray[8] = {"1/8", "1/4", "3/8", "1/2", "5/8", "3/4", "7/8", "1"};
+    int32_t ratio = size * 8 / range;
+    if (ratio < 0) return "N/A";
+    if (isWidth) {
+        // width is divided into 4 buckets {"1/4", "1/2", "3/4", "1"}
+        if (ratio > 6) return "1";
+        // use index 1, 3, 5, 7
+        return sizeArray[ratio | 1];
+    }
+    if (ratio > 7) return "1";
+    return sizeArray[ratio];
+}
+
+const char* LayerStats::layerTransform(int32_t transform) {
+    return getTransformName(static_cast<hwc_transform_t>(transform));
+}
+
+const char* LayerStats::layerCompositionType(int32_t compositionType) {
+    return getCompositionName(static_cast<hwc2_composition_t>(compositionType));
+}
+
+const char* LayerStats::layerPixelFormat(int32_t pixelFormat) {
+    return decodePixelFormat(pixelFormat).c_str();
+}
+
+std::string LayerStats::scaleRatioWH(const LayerProtoParser::Layer* layer) {
+    if (!layer->type.compare("ColorLayer")) return "N/A,N/A";
+    std::string ret = "";
+    if (isRotated(layer->hwcTransform)) {
+        ret += scaleRatio(layer->hwcFrame.right - layer->hwcFrame.left,
+                          static_cast<int32_t>(layer->hwcCrop.bottom - layer->hwcCrop.top));
+        ret += ",";
+        ret += scaleRatio(layer->hwcFrame.bottom - layer->hwcFrame.top,
+                          static_cast<int32_t>(layer->hwcCrop.right - layer->hwcCrop.left));
+    } else {
+        ret += scaleRatio(layer->hwcFrame.right - layer->hwcFrame.left,
+                          static_cast<int32_t>(layer->hwcCrop.right - layer->hwcCrop.left));
+        ret += ",";
+        ret += scaleRatio(layer->hwcFrame.bottom - layer->hwcFrame.top,
+                          static_cast<int32_t>(layer->hwcCrop.bottom - layer->hwcCrop.top));
+    }
+    return ret;
+}
+
+const char* LayerStats::scaleRatio(int32_t destinationScale, int32_t sourceScale) {
+    // Make scale buckets from <1/64 to >= 16, to avoid floating point
+    // calculation, x64 on destinationScale first
+    int32_t scale = destinationScale * 64 / sourceScale;
+    if (!scale) return "<1/64";
+    if (scale < 2) return "1/64";
+    if (scale < 4) return "1/32";
+    if (scale < 8) return "1/16";
+    if (scale < 16) return "1/8";
+    if (scale < 32) return "1/4";
+    if (scale < 64) return "1/2";
+    if (scale < 128) return "1";
+    if (scale < 256) return "2";
+    if (scale < 512) return "4";
+    if (scale < 1024) return "8";
+    return ">=16";
+}
+
+const char* LayerStats::alpha(float a) {
+    if (a == 1.0f) return "1.0";
+    if (a > 0.9f) return "0.99";
+    if (a > 0.8f) return "0.9";
+    if (a > 0.7f) return "0.8";
+    if (a > 0.6f) return "0.7";
+    if (a > 0.5f) return "0.6";
+    if (a > 0.4f) return "0.5";
+    if (a > 0.3f) return "0.4";
+    if (a > 0.2f) return "0.3";
+    if (a > 0.1f) return "0.2";
+    if (a > 0.0f) return "0.1";
+    return "0.0";
+}
+
+bool LayerStats::isRotated(int32_t transform) {
+    return transform & HWC_TRANSFORM_ROT_90;
+}
+
+bool LayerStats::isVFlipped(int32_t transform) {
+    return transform & HWC_TRANSFORM_FLIP_V;
+}
+
+bool LayerStats::isHFlipped(int32_t transform) {
+    return transform & HWC_TRANSFORM_FLIP_H;
+}
+
+}  // namespace android
diff --git a/services/surfaceflinger/LayerStats.h b/services/surfaceflinger/LayerStats.h
new file mode 100644
index 0000000..7871fc6
--- /dev/null
+++ b/services/surfaceflinger/LayerStats.h
@@ -0,0 +1,76 @@
+/*
+ * Copyright 2018 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 <layerproto/LayerProtoHeader.h>
+#include <layerproto/LayerProtoParser.h>
+#include <mutex>
+#include <unordered_map>
+
+using namespace android::surfaceflinger;
+
+namespace android {
+class String8;
+
+class LayerStats {
+public:
+    void enable();
+    void disable();
+    void clear();
+    bool isEnabled();
+    void logLayerStats(const LayersProto& layersProto);
+    void dump(String8& result);
+
+private:
+    // Traverse layer tree to get all visible layers' stats
+    void traverseLayerTreeStatsLocked(
+            std::vector<std::unique_ptr<LayerProtoParser::Layer>> layerTree,
+            const LayerProtoParser::LayerGlobal* layerGlobal,
+            std::vector<std::string>& layerShapeVec);
+    // Convert layer's top-left position into 8x8 percentage of the display
+    static const char* destinationLocation(int32_t location, int32_t range, bool isHorizontal);
+    // Convert layer's size into 8x8 percentage of the display
+    static const char* destinationSize(int32_t size, int32_t range, bool isWidth);
+    // Return the name of the transform
+    static const char* layerTransform(int32_t transform);
+    // Return the name of the composition type
+    static const char* layerCompositionType(int32_t compositionType);
+    // Return the name of the pixel format
+    static const char* layerPixelFormat(int32_t pixelFormat);
+    // Calculate scale ratios of layer's width/height with rotation information
+    static std::string scaleRatioWH(const LayerProtoParser::Layer* layer);
+    // Calculate scale ratio from source to destination and convert to string
+    static const char* scaleRatio(int32_t destinationScale, int32_t sourceScale);
+    // Bucket the alpha into designed buckets
+    static const char* alpha(float a);
+    // Return whether the original buffer is rotated in final composition
+    static bool isRotated(int32_t transform);
+    // Return whether the original buffer is V-flipped in final composition
+    static bool isVFlipped(int32_t transform);
+    // Return whether the original buffer is H-flipped in final composition
+    static bool isHFlipped(int32_t transform);
+
+    bool mEnabled = false;
+    // Protect mLayersStatsMap
+    std::mutex mMutex;
+    // Hashmap for tracking the frame(layer shape) stats
+    // KEY is a concatenation of all layers' properties within a frame
+    // VALUE is the number of times this particular set has been scanned out
+    std::unordered_map<std::string, uint32_t> mLayerShapeStatsMap;
+};
+
+}  // namespace android
diff --git a/services/surfaceflinger/RenderEngine/GLES20RenderEngine.cpp b/services/surfaceflinger/RenderEngine/GLES20RenderEngine.cpp
index ea7dc2f..1eda900 100644
--- a/services/surfaceflinger/RenderEngine/GLES20RenderEngine.cpp
+++ b/services/surfaceflinger/RenderEngine/GLES20RenderEngine.cpp
@@ -109,6 +109,8 @@
 namespace impl {
 // ---------------------------------------------------------------------------
 
+using ui::Dataspace;
+
 GLES20RenderEngine::GLES20RenderEngine(uint32_t featureFlags)
       : mVpWidth(0), mVpHeight(0), mPlatformHasWideColor((featureFlags & WIDE_COLOR_SUPPORT) != 0) {
     glGetIntegerv(GL_MAX_TEXTURE_SIZE, &mMaxTextureSize);
@@ -214,11 +216,11 @@
     mState.setY410BT2020(enable);
 }
 
-void GLES20RenderEngine::setSourceDataSpace(android_dataspace source) {
+void GLES20RenderEngine::setSourceDataSpace(Dataspace source) {
     mDataSpace = source;
 }
 
-void GLES20RenderEngine::setOutputDataSpace(android_dataspace dataspace) {
+void GLES20RenderEngine::setOutputDataSpace(Dataspace dataspace) {
     mOutputDataSpace = dataspace;
 }
 
@@ -301,14 +303,14 @@
                           mesh.getByteStride(), mesh.getPositions());
 
     // DISPLAY_P3 is the only supported wide color output
-    if (mPlatformHasWideColor && mOutputDataSpace == HAL_DATASPACE_DISPLAY_P3) {
+    if (mPlatformHasWideColor && mOutputDataSpace == Dataspace::DISPLAY_P3) {
         Description wideColorState = mState;
-        switch (int(mDataSpace)) {
-            case HAL_DATASPACE_DISPLAY_P3:
+        switch (mDataSpace) {
+            case Dataspace::DISPLAY_P3:
                 // input matches output
                 break;
-            case HAL_DATASPACE_BT2020_PQ:
-            case HAL_DATASPACE_BT2020_ITU_PQ:
+            case Dataspace::BT2020_PQ:
+            case Dataspace::BT2020_ITU_PQ:
                 wideColorState.setColorMatrix(mState.getColorMatrix() * mBt2020ToDisplayP3);
                 wideColorState.setInputTransferFunction(Description::TransferFunction::ST2084);
                 wideColorState.setOutputTransferFunction(Description::TransferFunction::SRGB);
@@ -317,7 +319,7 @@
             default:
                 // treat all other dataspaces as sRGB
                 wideColorState.setColorMatrix(mState.getColorMatrix() * mSrgbToDisplayP3);
-                if ((mDataSpace & HAL_DATASPACE_TRANSFER_MASK) == HAL_DATASPACE_TRANSFER_LINEAR) {
+                if ((mDataSpace & Dataspace::TRANSFER_MASK) & Dataspace::TRANSFER_LINEAR) {
                     wideColorState.setInputTransferFunction(Description::TransferFunction::LINEAR);
                 } else {
                     wideColorState.setInputTransferFunction(Description::TransferFunction::SRGB);
@@ -350,8 +352,8 @@
 void GLES20RenderEngine::dump(String8& result) {
     RenderEngine::dump(result);
     result.appendFormat("RenderEngine last dataspace conversion: (%s) to (%s)\n",
-                        dataspaceDetails(mDataSpace).c_str(),
-                        dataspaceDetails(mOutputDataSpace).c_str());
+                        dataspaceDetails(static_cast<android_dataspace>(mDataSpace)).c_str(),
+                        dataspaceDetails(static_cast<android_dataspace>(mOutputDataSpace)).c_str());
 }
 
 // ---------------------------------------------------------------------------
diff --git a/services/surfaceflinger/RenderEngine/GLES20RenderEngine.h b/services/surfaceflinger/RenderEngine/GLES20RenderEngine.h
index db3f792..99da19d 100644
--- a/services/surfaceflinger/RenderEngine/GLES20RenderEngine.h
+++ b/services/surfaceflinger/RenderEngine/GLES20RenderEngine.h
@@ -73,14 +73,14 @@
 
     // Color management related functions and state
     void setSourceY410BT2020(bool enable) override;
-    void setSourceDataSpace(android_dataspace source) override;
-    void setOutputDataSpace(android_dataspace dataspace) override;
+    void setSourceDataSpace(ui::Dataspace source) override;
+    void setOutputDataSpace(ui::Dataspace dataspace) override;
 
     // Current dataspace of layer being rendered
-    android_dataspace mDataSpace = HAL_DATASPACE_UNKNOWN;
+    ui::Dataspace mDataSpace = ui::Dataspace::UNKNOWN;
 
     // Current output dataspace of the render engine
-    android_dataspace mOutputDataSpace = HAL_DATASPACE_UNKNOWN;
+    ui::Dataspace mOutputDataSpace = ui::Dataspace::UNKNOWN;
 
     // Currently only supporting sRGB, BT2020 and DisplayP3 color spaces
     const bool mPlatformHasWideColor = false;
diff --git a/services/surfaceflinger/RenderEngine/RenderEngine.h b/services/surfaceflinger/RenderEngine/RenderEngine.h
index d140574..f78b230 100644
--- a/services/surfaceflinger/RenderEngine/RenderEngine.h
+++ b/services/surfaceflinger/RenderEngine/RenderEngine.h
@@ -119,8 +119,8 @@
 
     // wide color support
     virtual void setSourceY410BT2020(bool enable) = 0;
-    virtual void setSourceDataSpace(android_dataspace source) = 0;
-    virtual void setOutputDataSpace(android_dataspace dataspace) = 0;
+    virtual void setSourceDataSpace(ui::Dataspace source) = 0;
+    virtual void setOutputDataSpace(ui::Dataspace dataspace) = 0;
 
     // drawing
     virtual void drawMesh(const Mesh& mesh) = 0;
diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index f180a3b..bf76ef5 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -105,6 +105,7 @@
 using namespace android::hardware::configstore;
 using namespace android::hardware::configstore::V1_0;
 using ui::ColorMode;
+using ui::Dataspace;
 
 namespace {
 class ConditionalLock {
@@ -1484,6 +1485,7 @@
     setUpHWComposer();
     doDebugFlashRegions();
     doTracing("handleRefresh");
+    logLayerStats();
     doComposition();
     postComposition(refreshStartTime);
 
@@ -1553,6 +1555,25 @@
     }
 }
 
+void SurfaceFlinger::logLayerStats() {
+    ATRACE_CALL();
+    if (CC_UNLIKELY(mLayerStats.isEnabled())) {
+        int32_t hwcId = -1;
+        for (size_t dpy = 0; dpy < mDisplays.size(); ++dpy) {
+            const sp<const DisplayDevice>& displayDevice(mDisplays[dpy]);
+            if (displayDevice->isPrimary()) {
+                hwcId = displayDevice->getHwcDisplayId();
+                break;
+            }
+        }
+        if (hwcId < 0) {
+            ALOGE("LayerStats: Hmmm, no primary display?");
+            return;
+        }
+        mLayerStats.logLayerStats(dumpVisibleLayersProtoInfo(hwcId));
+    }
+}
+
 void SurfaceFlinger::preComposition(nsecs_t refreshStartTime)
 {
     ATRACE_CALL();
@@ -1817,7 +1838,7 @@
 
 // pickColorMode translates a given dataspace into the best available color mode.
 // Currently only support sRGB and Display-P3.
-ColorMode SurfaceFlinger::pickColorMode(android_dataspace dataSpace) const {
+ColorMode SurfaceFlinger::pickColorMode(Dataspace dataSpace) const {
     if (mForceNativeColorMode) {
         return ColorMode::NATIVE;
     }
@@ -1825,47 +1846,48 @@
     switch (dataSpace) {
         // treat Unknown as regular SRGB buffer, since that's what the rest of the
         // system expects.
-        case HAL_DATASPACE_UNKNOWN:
-        case HAL_DATASPACE_SRGB:
-        case HAL_DATASPACE_V0_SRGB:
+        case Dataspace::UNKNOWN:
+        case Dataspace::SRGB:
+        case Dataspace::V0_SRGB:
             return ColorMode::SRGB;
             break;
 
-        case HAL_DATASPACE_DISPLAY_P3:
+        case Dataspace::DISPLAY_P3:
             return ColorMode::DISPLAY_P3;
             break;
 
         default:
             // TODO (courtneygo): Do we want to assert an error here?
-            ALOGE("No color mode mapping for %s (%#x)", dataspaceDetails(dataSpace).c_str(),
+            ALOGE("No color mode mapping for %s (%#x)",
+                  dataspaceDetails(static_cast<android_dataspace>(dataSpace)).c_str(),
                   dataSpace);
             return ColorMode::SRGB;
             break;
     }
 }
 
-android_dataspace SurfaceFlinger::bestTargetDataSpace(
-        android_dataspace a, android_dataspace b, bool hasHdr) const {
+Dataspace SurfaceFlinger::bestTargetDataSpace(
+        Dataspace a, Dataspace b, bool hasHdr) const {
     // Only support sRGB and Display-P3 right now.
-    if (a == HAL_DATASPACE_DISPLAY_P3 || b == HAL_DATASPACE_DISPLAY_P3) {
-        return HAL_DATASPACE_DISPLAY_P3;
+    if (a == Dataspace::DISPLAY_P3 || b == Dataspace::DISPLAY_P3) {
+        return Dataspace::DISPLAY_P3;
     }
-    if (a == HAL_DATASPACE_V0_SCRGB_LINEAR || b == HAL_DATASPACE_V0_SCRGB_LINEAR) {
-        return HAL_DATASPACE_DISPLAY_P3;
+    if (a == Dataspace::V0_SCRGB_LINEAR || b == Dataspace::V0_SCRGB_LINEAR) {
+        return Dataspace::DISPLAY_P3;
     }
-    if (a == HAL_DATASPACE_V0_SCRGB || b == HAL_DATASPACE_V0_SCRGB) {
-        return HAL_DATASPACE_DISPLAY_P3;
+    if (a == Dataspace::V0_SCRGB || b == Dataspace::V0_SCRGB) {
+        return Dataspace::DISPLAY_P3;
     }
     if (!hasHdr) {
-        if (a == HAL_DATASPACE_BT2020_PQ || b == HAL_DATASPACE_BT2020_PQ) {
-            return HAL_DATASPACE_DISPLAY_P3;
+        if (a == Dataspace::BT2020_PQ || b == Dataspace::BT2020_PQ) {
+            return Dataspace::DISPLAY_P3;
         }
-        if (a == HAL_DATASPACE_BT2020_ITU_PQ || b == HAL_DATASPACE_BT2020_ITU_PQ) {
-            return HAL_DATASPACE_DISPLAY_P3;
+        if (a == Dataspace::BT2020_ITU_PQ || b == Dataspace::BT2020_ITU_PQ) {
+            return Dataspace::DISPLAY_P3;
         }
     }
 
-    return HAL_DATASPACE_V0_SRGB;
+    return Dataspace::V0_SRGB;
 }
 
 void SurfaceFlinger::setUpHWComposer() {
@@ -1940,13 +1962,14 @@
             continue;
         }
         if (colorMatrix != mPreviousColorMatrix) {
+            displayDevice->setColorTransform(colorMatrix);
             status_t result = getBE().mHwc->setColorTransform(hwcId, colorMatrix);
             ALOGE_IF(result != NO_ERROR, "Failed to set color transform on "
                     "display %zd: %d", displayId, result);
         }
         for (auto& layer : displayDevice->getVisibleLayersSortedByZ()) {
-            if ((layer->getDataSpace() == HAL_DATASPACE_BT2020_PQ ||
-                 layer->getDataSpace() == HAL_DATASPACE_BT2020_ITU_PQ) &&
+            if ((layer->getDataSpace() == Dataspace::BT2020_PQ ||
+                 layer->getDataSpace() == Dataspace::BT2020_ITU_PQ) &&
                     !displayDevice->getHdrSupport()) {
                 layer->forceClientComposition(hwcId);
             }
@@ -1962,14 +1985,14 @@
 
         if (hasWideColorDisplay) {
             ColorMode newColorMode;
-            android_dataspace newDataSpace = HAL_DATASPACE_V0_SRGB;
+            Dataspace newDataSpace = Dataspace::V0_SRGB;
 
             for (auto& layer : displayDevice->getVisibleLayersSortedByZ()) {
                 newDataSpace = bestTargetDataSpace(layer->getDataSpace(), newDataSpace,
                         displayDevice->getHdrSupport());
                 ALOGV("layer: %s, dataspace: %s (%#x), newDataSpace: %s (%#x)",
-                      layer->getName().string(), dataspaceDetails(layer->getDataSpace()).c_str(),
-                      layer->getDataSpace(), dataspaceDetails(newDataSpace).c_str(), newDataSpace);
+                      layer->getName().string(), dataspaceDetails(static_cast<android_dataspace>(layer->getDataSpace())).c_str(),
+                      layer->getDataSpace(), dataspaceDetails(static_cast<android_dataspace>(newDataSpace)).c_str(), newDataSpace);
             }
             newColorMode = pickColorMode(newDataSpace);
 
@@ -2247,7 +2270,7 @@
         defaultColorMode = ColorMode::SRGB;
     }
     setActiveColorModeInternal(hw, defaultColorMode);
-    hw->setCompositionDataSpace(HAL_DATASPACE_UNKNOWN);
+    hw->setCompositionDataSpace(Dataspace::UNKNOWN);
     hw->setLayerStack(state.layerStack);
     hw->setProjection(state.orientation, state.viewport, state.frame);
     hw->setDisplayName(state.displayName);
@@ -2350,7 +2373,7 @@
                             int intFormat = 0;
                             status = state.surface->query(NATIVE_WINDOW_FORMAT, &intFormat);
                             ALOGE_IF(status != NO_ERROR, "Unable to query format (%d)", status);
-                            auto format = static_cast<android_pixel_format_t>(intFormat);
+                            auto format = static_cast<ui::PixelFormat>(intFormat);
 
                             getBE().mHwc->allocateVirtualDisplay(width, height, &format, &hwcId);
                         }
@@ -2424,7 +2447,7 @@
         processDisplayHotplugEventsLocked();
     }
 
-    if (transactionFlags & (eTraversalNeeded|eDisplayTransactionNeeded)) {
+    if (transactionFlags & (eDisplayLayerStackChanged|eDisplayTransactionNeeded)) {
         // The transform hint might have changed for some layers
         // (either because a display has changed, or because a layer
         // as changed).
@@ -2471,18 +2494,18 @@
                 }
             }
 
-            if (transactionFlags & eDisplayTransactionNeeded) {
-                if (disp == nullptr) {
-                    // NOTE: TEMPORARY FIX ONLY. Real fix should cause layers to
-                    // redraw after transform hint changes. See bug 8508397.
+            if (disp == nullptr) {
+                // NOTE: TEMPORARY FIX ONLY. Real fix should cause layers to
+                // redraw after transform hint changes. See bug 8508397.
 
-                    // could be null when this layer is using a layerStack
-                    // that is not visible on any display. Also can occur at
-                    // screen off/on times.
-                    disp = getDefaultDisplayDeviceLocked();
-                }
-                layer->updateTransformHint(disp);
+                // could be null when this layer is using a layerStack
+                // that is not visible on any display. Also can occur at
+                // screen off/on times.
+                disp = getDefaultDisplayDeviceLocked();
             }
+
+            // disp can be null if there is no display available at all to get
+            // the transform hint from.
             if (disp != nullptr) {
                 layer->updateTransformHint(disp);
             }
@@ -2811,10 +2834,10 @@
     if (hasClientComposition) {
         ALOGV("hasClientComposition");
 
-        android_dataspace outputDataspace = HAL_DATASPACE_UNKNOWN;
+        Dataspace outputDataspace = Dataspace::UNKNOWN;
         if (displayDevice->getWideColorSupport() &&
               displayDevice->getActiveColorMode() == ColorMode::DISPLAY_P3) {
-            outputDataspace = HAL_DATASPACE_DISPLAY_P3;
+            outputDataspace = Dataspace::DISPLAY_P3;
         }
         getBE().mRenderEngine->setOutputDataSpace(outputDataspace);
 
@@ -3317,7 +3340,7 @@
             mCurrentState.layersSortedByZ.add(layer);
             // we need traversal (state changed)
             // AND transaction (list changed)
-            flags |= eTransactionNeeded|eTraversalNeeded;
+            flags |= eTransactionNeeded|eTraversalNeeded|eDisplayLayerStackChanged;
         }
     }
     if (what & layer_state_t::eDeferTransaction) {
@@ -3772,6 +3795,34 @@
                 dumpWideColorInfo(result);
                 dumpAll = false;
             }
+
+            if ((index < numArgs) &&
+                (args[index] == String16("--enable-layer-stats"))) {
+                index++;
+                mLayerStats.enable();
+                dumpAll = false;
+            }
+
+            if ((index < numArgs) &&
+                (args[index] == String16("--disable-layer-stats"))) {
+                index++;
+                mLayerStats.disable();
+                dumpAll = false;
+            }
+
+            if ((index < numArgs) &&
+                (args[index] == String16("--clear-layer-stats"))) {
+                index++;
+                mLayerStats.clear();
+                dumpAll = false;
+            }
+
+            if ((index < numArgs) &&
+                (args[index] == String16("--dump-layer-stats"))) {
+                index++;
+                mLayerStats.dump(result);
+                dumpAll = false;
+            }
         }
 
         if (dumpAll) {
@@ -3979,6 +4030,29 @@
     return layersProto;
 }
 
+LayersProto SurfaceFlinger::dumpVisibleLayersProtoInfo(int32_t hwcId) const {
+    LayersProto layersProto;
+    const sp<DisplayDevice>& displayDevice(mDisplays[hwcId]);
+
+    SizeProto* resolution = layersProto.mutable_resolution();
+    resolution->set_w(displayDevice->getWidth());
+    resolution->set_h(displayDevice->getHeight());
+
+    layersProto.set_color_mode(decodeColorMode(displayDevice->getActiveColorMode()));
+    layersProto.set_color_transform(decodeColorTransform(displayDevice->getColorTransform()));
+    layersProto.set_global_transform(
+            static_cast<int32_t>(displayDevice->getOrientationTransform()));
+
+    mDrawingState.traverseInZOrder([&](Layer* layer) {
+        if (!layer->visibleRegion.isEmpty() && layer->getBE().mHwcLayers.count(hwcId)) {
+            LayerProto* layerProto = layersProto.add_layers();
+            layer->writeToProto(layerProto, hwcId);
+        }
+    });
+
+    return layersProto;
+}
+
 void SurfaceFlinger::dumpAllLocked(const Vector<String16>& args, size_t& index,
         String8& result) const
 {
@@ -4730,10 +4804,10 @@
         ALOGE("Invalid crop rect: b = %d (> %d)", sourceCrop.bottom, raHeight);
     }
 
-    android_dataspace outputDataspace = HAL_DATASPACE_UNKNOWN;
+    Dataspace outputDataspace = Dataspace::UNKNOWN;
     if (renderArea.getWideColorSupport() &&
           renderArea.getActiveColorMode() == ColorMode::DISPLAY_P3) {
-        outputDataspace = HAL_DATASPACE_DISPLAY_P3;
+        outputDataspace = Dataspace::DISPLAY_P3;
     }
     getBE().mRenderEngine->setOutputDataSpace(outputDataspace);
 
diff --git a/services/surfaceflinger/SurfaceFlinger.h b/services/surfaceflinger/SurfaceFlinger.h
index 448509b..89c9cfd 100644
--- a/services/surfaceflinger/SurfaceFlinger.h
+++ b/services/surfaceflinger/SurfaceFlinger.h
@@ -55,6 +55,7 @@
 #include "DisplayDevice.h"
 #include "DispSync.h"
 #include "FrameTracker.h"
+#include "LayerStats.h"
 #include "LayerVector.h"
 #include "MessageQueue.h"
 #include "SurfaceInterceptor.h"
@@ -115,7 +116,8 @@
     eTransactionNeeded        = 0x01,
     eTraversalNeeded          = 0x02,
     eDisplayTransactionNeeded = 0x04,
-    eTransactionMask          = 0x07
+    eDisplayLayerStackChanged = 0x08,
+    eTransactionMask          = 0x0f,
 };
 
 // A thin interface to abstract creating instances of Surface (gui/Surface.h) to
@@ -635,8 +637,8 @@
 
     // Given a dataSpace, returns the appropriate color_mode to use
     // to display that dataSpace.
-    ui::ColorMode pickColorMode(android_dataspace dataSpace) const;
-    android_dataspace bestTargetDataSpace(android_dataspace a, android_dataspace b,
+    ui::ColorMode pickColorMode(ui::Dataspace dataSpace) const;
+    ui::Dataspace bestTargetDataSpace(ui::Dataspace a, ui::Dataspace b,
             bool hasHdr) const;
 
     mat4 computeSaturationMatrix() const;
@@ -645,6 +647,7 @@
     void doComposition();
     void doDebugFlashRegions();
     void doTracing(const char* where);
+    void logLayerStats();
     void doDisplayComposition(const sp<const DisplayDevice>& displayDevice, const Region& dirtyRegion);
 
     // compose surfaces for display hw. this fails if using GL and the surface
@@ -711,6 +714,7 @@
     void dumpBufferingStats(String8& result) const;
     void dumpWideColorInfo(String8& result) const;
     LayersProto dumpProtoInfo(LayerVector::StateSet stateSet) const;
+    LayersProto dumpVisibleLayersProtoInfo(int32_t hwcId) const;
 
     bool isLayerTripleBufferingDisabled() const {
         return this->mLayerTripleBufferingDisabled;
@@ -797,6 +801,7 @@
     std::unique_ptr<SurfaceInterceptor> mInterceptor =
             std::make_unique<impl::SurfaceInterceptor>(this);
     SurfaceTracing mTracing;
+    LayerStats mLayerStats;
     bool mUseHwcVirtualDisplays = false;
 
     // Restrict layers to use two buffers in their bufferqueues.
diff --git a/services/surfaceflinger/layerproto/LayerProtoParser.cpp b/services/surfaceflinger/layerproto/LayerProtoParser.cpp
index 1383d28..fcf42f0 100644
--- a/services/surfaceflinger/layerproto/LayerProtoParser.cpp
+++ b/services/surfaceflinger/layerproto/LayerProtoParser.cpp
@@ -42,6 +42,16 @@
     return sortLayers(lhs.get(), rhs.get());
 }
 
+const LayerProtoParser::LayerGlobal LayerProtoParser::generateLayerGlobalInfo(
+        const LayersProto& layersProto) {
+    LayerGlobal layerGlobal;
+    layerGlobal.resolution = {layersProto.resolution().w(), layersProto.resolution().h()};
+    layerGlobal.colorMode = layersProto.color_mode();
+    layerGlobal.colorTransform = layersProto.color_transform();
+    layerGlobal.globalTransform = layersProto.global_transform();
+    return layerGlobal;
+}
+
 std::vector<std::unique_ptr<LayerProtoParser::Layer>> LayerProtoParser::generateLayerTree(
         const LayersProto& layersProto) {
     std::unordered_map<int32_t, LayerProtoParser::Layer*> layerMap = generateMap(layersProto);
@@ -106,8 +116,13 @@
     layer->activeBuffer = generateActiveBuffer(layerProto.active_buffer());
     layer->queuedFrames = layerProto.queued_frames();
     layer->refreshPending = layerProto.refresh_pending();
+    layer->hwcFrame = generateRect(layerProto.hwc_frame());
+    layer->hwcCrop = generateFloatRect(layerProto.hwc_crop());
+    layer->hwcTransform = layerProto.hwc_transform();
     layer->windowType = layerProto.window_type();
     layer->appId = layerProto.app_id();
+    layer->hwcCompositionType = layerProto.hwc_composition_type();
+    layer->isProtected = layerProto.is_protected();
 
     return layer;
 }
@@ -133,6 +148,16 @@
     return rect;
 }
 
+LayerProtoParser::FloatRect LayerProtoParser::generateFloatRect(const FloatRectProto& rectProto) {
+    LayerProtoParser::FloatRect rect;
+    rect.left = rectProto.left();
+    rect.top = rectProto.top();
+    rect.right = rectProto.right();
+    rect.bottom = rectProto.bottom();
+
+    return rect;
+}
+
 LayerProtoParser::Transform LayerProtoParser::generateTransform(
         const TransformProto& transformProto) {
     LayerProtoParser::Transform transform;
@@ -246,6 +271,10 @@
     return StringPrintf("[%3d, %3d, %3d, %3d]", left, top, right, bottom);
 }
 
+std::string LayerProtoParser::FloatRect::to_string() const {
+    return StringPrintf("[%.2f, %.2f, %.2f, %.2f]", left, top, right, bottom);
+}
+
 std::string LayerProtoParser::Region::to_string(const char* what) const {
     std::string result =
             StringPrintf("  Region %s (this=%lx count=%d)\n", what, static_cast<unsigned long>(id),
diff --git a/services/surfaceflinger/layerproto/include/layerproto/LayerProtoParser.h b/services/surfaceflinger/layerproto/include/layerproto/LayerProtoParser.h
index b56a6fb..74a6f28 100644
--- a/services/surfaceflinger/layerproto/include/layerproto/LayerProtoParser.h
+++ b/services/surfaceflinger/layerproto/include/layerproto/LayerProtoParser.h
@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+#pragma once
 
 #include <layerproto/LayerProtoHeader.h>
 
@@ -57,6 +58,16 @@
         std::string to_string() const;
     };
 
+    class FloatRect {
+    public:
+        float left;
+        float top;
+        float right;
+        float bottom;
+
+        std::string to_string() const;
+    };
+
     class Region {
     public:
         uint64_t id;
@@ -96,12 +107,26 @@
         LayerProtoParser::ActiveBuffer activeBuffer;
         int32_t queuedFrames;
         bool refreshPending;
+        LayerProtoParser::Rect hwcFrame;
+        LayerProtoParser::FloatRect hwcCrop;
+        int32_t hwcTransform;
         int32_t windowType;
         int32_t appId;
+        int32_t hwcCompositionType;
+        bool isProtected;
 
         std::string to_string() const;
     };
 
+    class LayerGlobal {
+    public:
+        int2 resolution;
+        std::string colorMode;
+        std::string colorTransform;
+        int32_t globalTransform;
+    };
+
+    static const LayerGlobal generateLayerGlobalInfo(const LayersProto& layersProto);
     static std::vector<std::unique_ptr<Layer>> generateLayerTree(const LayersProto& layersProto);
     static std::string layersToString(std::vector<std::unique_ptr<LayerProtoParser::Layer>> layers);
 
@@ -110,6 +135,7 @@
     static LayerProtoParser::Layer* generateLayer(const LayerProto& layerProto);
     static LayerProtoParser::Region generateRegion(const RegionProto& regionProto);
     static LayerProtoParser::Rect generateRect(const RectProto& rectProto);
+    static LayerProtoParser::FloatRect generateFloatRect(const FloatRectProto& rectProto);
     static LayerProtoParser::Transform generateTransform(const TransformProto& transformProto);
     static LayerProtoParser::ActiveBuffer generateActiveBuffer(
             const ActiveBufferProto& activeBufferProto);
diff --git a/services/surfaceflinger/layerproto/layers.proto b/services/surfaceflinger/layerproto/layers.proto
index f18386b..77c6675 100644
--- a/services/surfaceflinger/layerproto/layers.proto
+++ b/services/surfaceflinger/layerproto/layers.proto
@@ -7,6 +7,10 @@
 // Contains a list of all layers.
 message LayersProto {
   repeated LayerProto layers = 1;
+  optional SizeProto resolution = 2;
+  optional string color_mode = 3;
+  optional string color_transform = 4;
+  optional int32 global_transform = 5;
 }
 
 // Information about each layer.
@@ -64,8 +68,18 @@
   // The number of frames available.
   optional int32 queued_frames = 28;
   optional bool refresh_pending = 29;
-  optional int32 window_type = 30;
-  optional int32 app_id = 31;
+  // The layer's composer backend destination frame
+  optional RectProto hwc_frame = 30;
+  // The layer's composer backend source crop
+  optional FloatRectProto hwc_crop = 31;
+  // The layer's composer backend transform
+  optional int32 hwc_transform = 32;
+  optional int32 window_type = 33;
+  optional int32 app_id = 34;
+  // The layer's composition type
+  optional int32 hwc_composition_type = 35;
+  // If it's a buffer layer, indicate if the content is protected
+  optional bool is_protected = 36;
 }
 
 message PositionProto {
@@ -97,6 +111,13 @@
   optional int32 bottom = 4;
 }
 
+message FloatRectProto {
+  optional float left = 1;
+  optional float top = 2;
+  optional float right = 3;
+  optional float bottom = 4;
+}
+
 message ActiveBufferProto {
   optional uint32 width = 1;
   optional uint32 height = 2;
@@ -109,4 +130,4 @@
   optional float g = 2;
   optional float b = 3;
   optional float a = 4;
-}
\ No newline at end of file
+}
diff --git a/services/surfaceflinger/tests/hwc2/Android.bp b/services/surfaceflinger/tests/hwc2/Android.bp
index e980522..6c0e4ab 100644
--- a/services/surfaceflinger/tests/hwc2/Android.bp
+++ b/services/surfaceflinger/tests/hwc2/Android.bp
@@ -42,6 +42,7 @@
     ],
     shared_libs: [
         "android.hardware.graphics.common@1.0",
+        "android.hardware.graphics.common@1.1",
         "libcutils",
         "libEGL",
         "libGLESv2",
diff --git a/services/surfaceflinger/tests/hwc2/Hwc2Test.cpp b/services/surfaceflinger/tests/hwc2/Hwc2Test.cpp
index b3f1b69..13774b4 100644
--- a/services/surfaceflinger/tests/hwc2/Hwc2Test.cpp
+++ b/services/surfaceflinger/tests/hwc2/Hwc2Test.cpp
@@ -36,6 +36,7 @@
 #include "Hwc2TestVirtualDisplay.h"
 
 using android::ui::ColorMode;
+using android::ui::Dataspace;
 
 void hwc2TestHotplugCallback(hwc2_callback_data_t callbackData,
         hwc2_display_t display, int32_t connected);
@@ -442,14 +443,14 @@
     }
 
     void setLayerDataspace(hwc2_display_t display, hwc2_layer_t layer,
-            android_dataspace_t dataspace, hwc2_error_t* outErr = nullptr)
+            Dataspace dataspace, hwc2_error_t* outErr = nullptr)
     {
         auto pfn = reinterpret_cast<HWC2_PFN_SET_LAYER_DATASPACE>(
                 getFunction(HWC2_FUNCTION_SET_LAYER_DATASPACE));
         ASSERT_TRUE(pfn) << "failed to get function";
 
         auto err = static_cast<hwc2_error_t>(pfn(mHwc2Device, display,
-                layer, dataspace));
+                layer, static_cast<int>(dataspace)));
         if (outErr) {
             *outErr = err;
         } else {
@@ -790,14 +791,14 @@
 
     void getClientTargetSupport(hwc2_display_t display, int32_t width,
             int32_t height, android_pixel_format_t format,
-            android_dataspace_t dataspace, hwc2_error_t* outErr = nullptr)
+            Dataspace dataspace, hwc2_error_t* outErr = nullptr)
     {
         auto pfn = reinterpret_cast<HWC2_PFN_GET_CLIENT_TARGET_SUPPORT>(
                 getFunction(HWC2_FUNCTION_GET_CLIENT_TARGET_SUPPORT));
         ASSERT_TRUE(pfn) << "failed to get function";
 
         auto err = static_cast<hwc2_error_t>(pfn(mHwc2Device, display, width,
-                height, format, dataspace));
+                height, format, static_cast<int>(dataspace)));
         if (outErr) {
             *outErr = err;
         } else {
@@ -807,7 +808,7 @@
     }
 
     void setClientTarget(hwc2_display_t display, buffer_handle_t handle,
-            int32_t acquireFence, android_dataspace_t dataspace,
+            int32_t acquireFence, Dataspace dataspace,
             hwc_region_t damage, hwc2_error_t* outErr = nullptr)
     {
         auto pfn = reinterpret_cast<HWC2_PFN_SET_CLIENT_TARGET>(
@@ -815,7 +816,7 @@
         ASSERT_TRUE(pfn) << "failed to get function";
 
         auto err = static_cast<hwc2_error_t>(pfn(mHwc2Device, display, handle,
-                acquireFence, dataspace, damage));
+                acquireFence, static_cast<int>(dataspace), damage));
         if (outErr) {
             *outErr = err;
         } else {
@@ -1691,7 +1692,7 @@
             const std::set<hwc2_layer_t>& clearLayers, bool flipClientTarget,
             const Area& displayArea)
     {
-        android_dataspace_t dataspace = HAL_DATASPACE_UNKNOWN;
+        Dataspace dataspace = Dataspace::UNKNOWN;
         hwc_region_t damage = { };
         buffer_handle_t handle;
         int32_t acquireFence;
@@ -3716,7 +3717,7 @@
  * layer. */
 TEST_F(Hwc2Test, SET_CLIENT_TARGET_basic)
 {
-    const android_dataspace_t dataspace = HAL_DATASPACE_UNKNOWN;
+    const Dataspace dataspace = Dataspace::UNKNOWN;
     const hwc_region_t damage = { };
     const size_t layerCnt = 1;
 
@@ -3795,7 +3796,7 @@
     std::set<hwc2_layer_t> clientLayers;
     std::set<hwc2_layer_t> flipClientTargetLayers;
     bool flipClientTarget = true;
-    const android_dataspace_t dataspace = HAL_DATASPACE_UNKNOWN;
+    const Dataspace dataspace = Dataspace::UNKNOWN;
     const hwc_region_t damage = { };
     buffer_handle_t handle;
     int32_t acquireFence;
diff --git a/services/surfaceflinger/tests/hwc2/Hwc2TestClientTarget.cpp b/services/surfaceflinger/tests/hwc2/Hwc2TestClientTarget.cpp
index 6925492..14c60a7 100644
--- a/services/surfaceflinger/tests/hwc2/Hwc2TestClientTarget.cpp
+++ b/services/surfaceflinger/tests/hwc2/Hwc2TestClientTarget.cpp
@@ -91,7 +91,7 @@
     return mBufferArea.get();
 }
 
-android_dataspace_t Hwc2TestClientTargetSupport::getDataspace() const
+android::ui::Dataspace Hwc2TestClientTargetSupport::getDataspace() const
 {
     return mDataspace.get();
 }
diff --git a/services/surfaceflinger/tests/hwc2/Hwc2TestClientTarget.h b/services/surfaceflinger/tests/hwc2/Hwc2TestClientTarget.h
index 3b47978..6f4090f 100644
--- a/services/surfaceflinger/tests/hwc2/Hwc2TestClientTarget.h
+++ b/services/surfaceflinger/tests/hwc2/Hwc2TestClientTarget.h
@@ -53,7 +53,7 @@
     bool advance();
 
     Area getBufferArea() const;
-    android_dataspace_t getDataspace() const;
+    android::ui::Dataspace getDataspace() const;
     const hwc_region_t getSurfaceDamage() const;
 
 private:
diff --git a/services/surfaceflinger/tests/hwc2/Hwc2TestLayer.cpp b/services/surfaceflinger/tests/hwc2/Hwc2TestLayer.cpp
index 937fce2..c1c9cc8 100644
--- a/services/surfaceflinger/tests/hwc2/Hwc2TestLayer.cpp
+++ b/services/surfaceflinger/tests/hwc2/Hwc2TestLayer.cpp
@@ -146,7 +146,7 @@
     return mDisplayFrame.get();
 }
 
-android_dataspace_t Hwc2TestLayer::getDataspace() const
+android::ui::Dataspace Hwc2TestLayer::getDataspace() const
 {
     return mDataspace.get();
 }
diff --git a/services/surfaceflinger/tests/hwc2/Hwc2TestLayer.h b/services/surfaceflinger/tests/hwc2/Hwc2TestLayer.h
index 0e7dd22..29ae521 100644
--- a/services/surfaceflinger/tests/hwc2/Hwc2TestLayer.h
+++ b/services/surfaceflinger/tests/hwc2/Hwc2TestLayer.h
@@ -54,7 +54,7 @@
     hwc_color_t            getColor() const;
     hwc2_composition_t     getComposition() const;
     hwc_rect_t             getCursorPosition() const;
-    android_dataspace_t    getDataspace() const;
+    android::ui::Dataspace     getDataspace() const;
     hwc_rect_t             getDisplayFrame() const;
     float                  getPlaneAlpha() const;
     hwc_frect_t            getSourceCrop() const;
diff --git a/services/surfaceflinger/tests/hwc2/Hwc2TestLayers.cpp b/services/surfaceflinger/tests/hwc2/Hwc2TestLayers.cpp
index 495ef79..90127a1 100644
--- a/services/surfaceflinger/tests/hwc2/Hwc2TestLayers.cpp
+++ b/services/surfaceflinger/tests/hwc2/Hwc2TestLayers.cpp
@@ -169,7 +169,7 @@
     return mTestLayers.at(layer).getCursorPosition();
 }
 
-android_dataspace_t Hwc2TestLayers::getDataspace(hwc2_layer_t layer) const
+android::ui::Dataspace Hwc2TestLayers::getDataspace(hwc2_layer_t layer) const
 {
     if (mTestLayers.count(layer) == 0) {
         []() { GTEST_FAIL(); }();
diff --git a/services/surfaceflinger/tests/hwc2/Hwc2TestLayers.h b/services/surfaceflinger/tests/hwc2/Hwc2TestLayers.h
index d95a91f..909dd48 100644
--- a/services/surfaceflinger/tests/hwc2/Hwc2TestLayers.h
+++ b/services/surfaceflinger/tests/hwc2/Hwc2TestLayers.h
@@ -63,7 +63,7 @@
     hwc_color_t            getColor(hwc2_layer_t layer) const;
     hwc2_composition_t     getComposition(hwc2_layer_t layer) const;
     hwc_rect_t             getCursorPosition(hwc2_layer_t layer) const;
-    android_dataspace_t    getDataspace(hwc2_layer_t layer) const;
+    android::ui::Dataspace     getDataspace(hwc2_layer_t layer) const;
     hwc_rect_t             getDisplayFrame(hwc2_layer_t layer) const;
     android_pixel_format_t getFormat(hwc2_layer_t layer) const;
     float                  getPlaneAlpha(hwc2_layer_t layer) const;
diff --git a/services/surfaceflinger/tests/hwc2/Hwc2TestProperties.cpp b/services/surfaceflinger/tests/hwc2/Hwc2TestProperties.cpp
index 5b3bbeb..c5b92d0 100644
--- a/services/surfaceflinger/tests/hwc2/Hwc2TestProperties.cpp
+++ b/services/surfaceflinger/tests/hwc2/Hwc2TestProperties.cpp
@@ -262,62 +262,62 @@
 std::string Hwc2TestDataspace::dump() const
 {
     std::stringstream dmp;
-    dmp << "\tdataspace: " << get() << "\n";
+    dmp << "\tdataspace: " << static_cast<int32_t>(get()) << "\n";
     return dmp.str();
 }
 
-const std::vector<android_dataspace_t> Hwc2TestDataspace::defaultDataspaces = {
-    HAL_DATASPACE_UNKNOWN,
+const std::vector<android::ui::Dataspace> Hwc2TestDataspace::defaultDataspaces = {
+    android::ui::Dataspace::UNKNOWN,
 };
 
-const std::vector<android_dataspace_t> Hwc2TestDataspace::basicDataspaces = {
-    HAL_DATASPACE_UNKNOWN,
-    HAL_DATASPACE_V0_SRGB,
+const std::vector<android::ui::Dataspace> Hwc2TestDataspace::basicDataspaces = {
+    android::ui::Dataspace::UNKNOWN,
+    android::ui::Dataspace::V0_SRGB,
 };
 
-const std::vector<android_dataspace_t> Hwc2TestDataspace::completeDataspaces = {
-    HAL_DATASPACE_UNKNOWN,
-    HAL_DATASPACE_ARBITRARY,
-    HAL_DATASPACE_STANDARD_SHIFT,
-    HAL_DATASPACE_STANDARD_MASK,
-    HAL_DATASPACE_STANDARD_UNSPECIFIED,
-    HAL_DATASPACE_STANDARD_BT709,
-    HAL_DATASPACE_STANDARD_BT601_625,
-    HAL_DATASPACE_STANDARD_BT601_625_UNADJUSTED,
-    HAL_DATASPACE_STANDARD_BT601_525,
-    HAL_DATASPACE_STANDARD_BT601_525_UNADJUSTED,
-    HAL_DATASPACE_STANDARD_BT2020,
-    HAL_DATASPACE_STANDARD_BT2020_CONSTANT_LUMINANCE,
-    HAL_DATASPACE_STANDARD_BT470M,
-    HAL_DATASPACE_STANDARD_FILM,
-    HAL_DATASPACE_TRANSFER_SHIFT,
-    HAL_DATASPACE_TRANSFER_MASK,
-    HAL_DATASPACE_TRANSFER_UNSPECIFIED,
-    HAL_DATASPACE_TRANSFER_LINEAR,
-    HAL_DATASPACE_TRANSFER_SRGB,
-    HAL_DATASPACE_TRANSFER_SMPTE_170M,
-    HAL_DATASPACE_TRANSFER_GAMMA2_2,
-    HAL_DATASPACE_TRANSFER_GAMMA2_8,
-    HAL_DATASPACE_TRANSFER_ST2084,
-    HAL_DATASPACE_TRANSFER_HLG,
-    HAL_DATASPACE_RANGE_SHIFT,
-    HAL_DATASPACE_RANGE_MASK,
-    HAL_DATASPACE_RANGE_UNSPECIFIED,
-    HAL_DATASPACE_RANGE_FULL,
-    HAL_DATASPACE_RANGE_LIMITED,
-    HAL_DATASPACE_SRGB_LINEAR,
-    HAL_DATASPACE_V0_SRGB_LINEAR,
-    HAL_DATASPACE_SRGB,
-    HAL_DATASPACE_V0_SRGB,
-    HAL_DATASPACE_JFIF,
-    HAL_DATASPACE_V0_JFIF,
-    HAL_DATASPACE_BT601_625,
-    HAL_DATASPACE_V0_BT601_625,
-    HAL_DATASPACE_BT601_525,
-    HAL_DATASPACE_V0_BT601_525,
-    HAL_DATASPACE_BT709,
-    HAL_DATASPACE_V0_BT709,
-    HAL_DATASPACE_DEPTH,
+const std::vector<android::ui::Dataspace> Hwc2TestDataspace::completeDataspaces = {
+    android::ui::Dataspace::UNKNOWN,
+    android::ui::Dataspace::ARBITRARY,
+    android::ui::Dataspace::STANDARD_SHIFT,
+    android::ui::Dataspace::STANDARD_MASK,
+    android::ui::Dataspace::STANDARD_UNSPECIFIED,
+    android::ui::Dataspace::STANDARD_BT709,
+    android::ui::Dataspace::STANDARD_BT601_625,
+    android::ui::Dataspace::STANDARD_BT601_625_UNADJUSTED,
+    android::ui::Dataspace::STANDARD_BT601_525,
+    android::ui::Dataspace::STANDARD_BT601_525_UNADJUSTED,
+    android::ui::Dataspace::STANDARD_BT2020,
+    android::ui::Dataspace::STANDARD_BT2020_CONSTANT_LUMINANCE,
+    android::ui::Dataspace::STANDARD_BT470M,
+    android::ui::Dataspace::STANDARD_FILM,
+    android::ui::Dataspace::TRANSFER_SHIFT,
+    android::ui::Dataspace::TRANSFER_MASK,
+    android::ui::Dataspace::TRANSFER_UNSPECIFIED,
+    android::ui::Dataspace::TRANSFER_LINEAR,
+    android::ui::Dataspace::TRANSFER_SRGB,
+    android::ui::Dataspace::TRANSFER_SMPTE_170M,
+    android::ui::Dataspace::TRANSFER_GAMMA2_2,
+    android::ui::Dataspace::TRANSFER_GAMMA2_8,
+    android::ui::Dataspace::TRANSFER_ST2084,
+    android::ui::Dataspace::TRANSFER_HLG,
+    android::ui::Dataspace::RANGE_SHIFT,
+    android::ui::Dataspace::RANGE_MASK,
+    android::ui::Dataspace::RANGE_UNSPECIFIED,
+    android::ui::Dataspace::RANGE_FULL,
+    android::ui::Dataspace::RANGE_LIMITED,
+    android::ui::Dataspace::SRGB_LINEAR,
+    android::ui::Dataspace::V0_SRGB_LINEAR,
+    android::ui::Dataspace::SRGB,
+    android::ui::Dataspace::V0_SRGB,
+    android::ui::Dataspace::JFIF,
+    android::ui::Dataspace::V0_JFIF,
+    android::ui::Dataspace::BT601_625,
+    android::ui::Dataspace::V0_BT601_625,
+    android::ui::Dataspace::BT601_525,
+    android::ui::Dataspace::V0_BT601_525,
+    android::ui::Dataspace::BT709,
+    android::ui::Dataspace::V0_BT709,
+    android::ui::Dataspace::DEPTH,
 };
 
 
diff --git a/services/surfaceflinger/tests/hwc2/Hwc2TestProperties.h b/services/surfaceflinger/tests/hwc2/Hwc2TestProperties.h
index cb811e0..d7082f3 100644
--- a/services/surfaceflinger/tests/hwc2/Hwc2TestProperties.h
+++ b/services/surfaceflinger/tests/hwc2/Hwc2TestProperties.h
@@ -20,6 +20,7 @@
 #include <array>
 #include <vector>
 
+#include <ui/GraphicTypes.h>
 #include <ui/Region.h>
 
 #define HWC2_INCLUDE_STRINGIFICATION
@@ -229,16 +230,16 @@
 };
 
 
-class Hwc2TestDataspace : public Hwc2TestProperty<android_dataspace_t> {
+class Hwc2TestDataspace : public Hwc2TestProperty<android::ui::Dataspace> {
 public:
     Hwc2TestDataspace(Hwc2TestCoverage coverage);
 
     std::string dump() const override;
 
 protected:
-    static const std::vector<android_dataspace_t> defaultDataspaces;
-    static const std::vector<android_dataspace_t> basicDataspaces;
-    static const std::vector<android_dataspace_t> completeDataspaces;
+    static const std::vector<android::ui::Dataspace> defaultDataspaces;
+    static const std::vector<android::ui::Dataspace> basicDataspaces;
+    static const std::vector<android::ui::Dataspace> completeDataspaces;
 
     static const std::array<bool, 6> mCompositionSupport;
 };
diff --git a/services/surfaceflinger/tests/unittests/MockComposer.h b/services/surfaceflinger/tests/unittests/MockComposer.h
index acd9b30..00e565b 100644
--- a/services/surfaceflinger/tests/unittests/MockComposer.h
+++ b/services/surfaceflinger/tests/unittests/MockComposer.h
@@ -29,10 +29,10 @@
 
 using android::hardware::graphics::common::V1_0::ColorMode;
 using android::hardware::graphics::common::V1_0::ColorTransform;
-using android::hardware::graphics::common::V1_0::Dataspace;
 using android::hardware::graphics::common::V1_0::Hdr;
-using android::hardware::graphics::common::V1_0::PixelFormat;
 using android::hardware::graphics::common::V1_0::Transform;
+using android::hardware::graphics::common::V1_1::Dataspace;
+using android::hardware::graphics::common::V1_1::PixelFormat;
 
 using android::hardware::graphics::composer::V2_1::Config;
 using android::hardware::graphics::composer::V2_1::Display;
diff --git a/services/surfaceflinger/tests/unittests/MockRenderEngine.h b/services/surfaceflinger/tests/unittests/MockRenderEngine.h
index 6d3e17f..9bb2a3c 100644
--- a/services/surfaceflinger/tests/unittests/MockRenderEngine.h
+++ b/services/surfaceflinger/tests/unittests/MockRenderEngine.h
@@ -64,8 +64,8 @@
     MOCK_METHOD0(disableTexturing, void());
     MOCK_METHOD0(disableBlending, void());
     MOCK_METHOD1(setSourceY410BT2020, void(bool));
-    MOCK_METHOD1(setSourceDataSpace, void(android_dataspace));
-    MOCK_METHOD1(setOutputDataSpace, void(android_dataspace));
+    MOCK_METHOD1(setSourceDataSpace, void(ui::Dataspace));
+    MOCK_METHOD1(setOutputDataSpace, void(ui::Dataspace));
     MOCK_METHOD2(bindNativeBufferAsFrameBuffer,
                  void(ANativeWindowBuffer*, RE::BindNativeBufferAsFramebuffer*));
     MOCK_METHOD1(unbindNativeBufferAsFrameBuffer, void(RE::BindNativeBufferAsFramebuffer*));