diff --git a/cmds/dumpstate/utils.cpp b/cmds/dumpstate/utils.cpp
index c6dfa37..0fc2bce 100644
--- a/cmds/dumpstate/utils.cpp
+++ b/cmds/dumpstate/utils.cpp
@@ -711,7 +711,8 @@
 }
 
 void send_broadcast(const std::string& action, const std::vector<std::string>& args) {
-    std::vector<std::string> am = {"/system/bin/am", "broadcast", "--user", "0", "-a", action};
+    std::vector<std::string> am = {
+        "/system/bin/cmd", "activity", "broadcast", "--user", "0", "-a", action};
 
     am.insert(am.end(), args.begin(), args.end());
 
diff --git a/include/batteryservice/BatteryService.h b/include/batteryservice/BatteryService.h
index 30d7317..80ab7f3 100644
--- a/include/batteryservice/BatteryService.h
+++ b/include/batteryservice/BatteryService.h
@@ -26,13 +26,15 @@
 
 #include "BatteryServiceConstants.h"
 
-// must be kept in sync with definitions in BatteryProperty.java
+// must be kept in sync with definitions in
+// frameworks/base/core/java/android/os/BatteryManager.java
 enum {
-    BATTERY_PROP_CHARGE_COUNTER = 1, // equals BatteryProperty.CHARGE_COUNTER constant
-    BATTERY_PROP_CURRENT_NOW = 2, // equals BatteryProperty.CURRENT_NOW constant
-    BATTERY_PROP_CURRENT_AVG = 3, // equals BatteryProperty.CURRENT_AVG constant
-    BATTERY_PROP_CAPACITY = 4, // equals BatteryProperty.CAPACITY constant
-    BATTERY_PROP_ENERGY_COUNTER = 5, // equals BatteryProperty.ENERGY_COUNTER constant
+    BATTERY_PROP_CHARGE_COUNTER = 1, // equals BATTERY_PROPERTY_CHARGE_COUNTER
+    BATTERY_PROP_CURRENT_NOW = 2, // equals BATTERY_PROPERTY_CURRENT_NOW
+    BATTERY_PROP_CURRENT_AVG = 3, // equals BATTERY_PROPERTY_CURRENT_AVERAGE
+    BATTERY_PROP_CAPACITY = 4, // equals BATTERY_PROPERTY_CAPACITY
+    BATTERY_PROP_ENERGY_COUNTER = 5, // equals BATTERY_PROPERTY_ENERGY_COUNTER
+    BATTERY_PROP_BATTERY_STATUS = 6, // equals BATTERY_PROPERTY_BATTERY_STATUS
 };
 
 struct BatteryProperties {
diff --git a/include/gui/GraphicBufferAlloc.h b/include/gui/GraphicBufferAlloc.h
index b19a1ac..9e18907 100644
--- a/include/gui/GraphicBufferAlloc.h
+++ b/include/gui/GraphicBufferAlloc.h
@@ -35,8 +35,8 @@
     virtual ~GraphicBufferAlloc();
     virtual sp<GraphicBuffer> createGraphicBuffer(uint32_t width,
             uint32_t height, PixelFormat format, uint32_t layerCount,
-            uint32_t usage, std::string requestorName,
-            status_t* error) override;
+            uint64_t producerUsage, uint64_t consumerUsage,
+            std::string requestorName, status_t* error) override;
 };
 
 
diff --git a/include/gui/IGraphicBufferAlloc.h b/include/gui/IGraphicBufferAlloc.h
index 2a7690a..1e578cc 100644
--- a/include/gui/IGraphicBufferAlloc.h
+++ b/include/gui/IGraphicBufferAlloc.h
@@ -38,14 +38,29 @@
     /* Create a new GraphicBuffer for the client to use.
      */
     virtual sp<GraphicBuffer> createGraphicBuffer(uint32_t w, uint32_t h,
-            PixelFormat format, uint32_t layerCount, uint32_t usage,
-            std::string requestorName, status_t* error) = 0;
+            PixelFormat format, uint32_t layerCount, uint64_t producerUsage,
+            uint64_t consumerUsage, std::string requestorName,
+            status_t* error) = 0;
 
     sp<GraphicBuffer> createGraphicBuffer(uint32_t w, uint32_t h,
             PixelFormat format, uint32_t layerCount, uint32_t usage,
             status_t* error) {
-        return createGraphicBuffer(w, h, format, layerCount, usage, "<Unknown>",
-                error);
+        return createGraphicBuffer(w, h, format, layerCount, usage,
+                usage, "<Unknown>", error);
+    }
+
+    sp<GraphicBuffer> createGraphicBuffer(uint32_t w, uint32_t h,
+            PixelFormat format, uint32_t layerCount, uint32_t usage,
+            std::string requestorName, status_t* error) {
+        return createGraphicBuffer(w, h, format, layerCount, usage,
+                usage, requestorName, error);
+    }
+
+    sp<GraphicBuffer> createGraphicBuffer(uint32_t w, uint32_t h,
+            PixelFormat format, uint32_t layerCount, uint64_t producerUsage,
+            uint64_t consumerUsage, status_t* error) {
+        return createGraphicBuffer(w, h, format, layerCount, producerUsage,
+                consumerUsage, "<Unknown>", error);
     }
 };
 
diff --git a/include/ui/Gralloc1.h b/include/ui/Gralloc1.h
index 64dacd7..640e29c 100644
--- a/include/ui/Gralloc1.h
+++ b/include/ui/Gralloc1.h
@@ -88,8 +88,6 @@
 
     std::shared_ptr<Descriptor> createDescriptor();
 
-    gralloc1_error_t getStride(buffer_handle_t buffer, uint32_t* outStride);
-
     gralloc1_error_t allocate(
             const std::vector<std::shared_ptr<const Descriptor>>& descriptors,
             std::vector<buffer_handle_t>* outBuffers);
@@ -102,6 +100,19 @@
 
     gralloc1_error_t release(buffer_handle_t buffer);
 
+    gralloc1_error_t getDimensions(buffer_handle_t buffer,
+            uint32_t* outWidth, uint32_t* outHeight);
+    gralloc1_error_t getFormat(buffer_handle_t buffer,
+            int32_t* outFormat);
+    gralloc1_error_t getLayerCount(buffer_handle_t buffer,
+            uint32_t* outLayerCount);
+    gralloc1_error_t getProducerUsage(buffer_handle_t buffer,
+            uint64_t* outProducerUsage);
+    gralloc1_error_t getConsumerUsage(buffer_handle_t buffer,
+            uint64_t* outConsumerUsage);
+    gralloc1_error_t getBackingStore(buffer_handle_t buffer,
+            uint64_t* outBackingStore);
+    gralloc1_error_t getStride(buffer_handle_t buffer, uint32_t* outStride);
     gralloc1_error_t getNumFlexPlanes(buffer_handle_t buffer,
             uint32_t* outNumPlanes);
 
diff --git a/include/ui/Gralloc1On0Adapter.h b/include/ui/Gralloc1On0Adapter.h
index 2508ce9..fcd2245 100644
--- a/include/ui/Gralloc1On0Adapter.h
+++ b/include/ui/Gralloc1On0Adapter.h
@@ -325,7 +325,7 @@
         auto usage = GRALLOC1_CONSUMER_USAGE_NONE;
         auto error = callBufferFunction(device, bufferHandle,
                 &Buffer::getConsumerUsage, &usage);
-        if (error != GRALLOC1_ERROR_NONE) {
+        if (error == GRALLOC1_ERROR_NONE) {
             *outUsage = static_cast<uint64_t>(usage);
         }
         return error;
@@ -336,7 +336,7 @@
         auto usage = GRALLOC1_PRODUCER_USAGE_NONE;
         auto error = callBufferFunction(device, bufferHandle,
                 &Buffer::getProducerUsage, &usage);
-        if (error != GRALLOC1_ERROR_NONE) {
+        if (error == GRALLOC1_ERROR_NONE) {
             *outUsage = static_cast<uint64_t>(usage);
         }
         return error;
diff --git a/include/ui/GrallocMapper.h b/include/ui/GrallocMapper.h
index f533dfb..5a23b68 100644
--- a/include/ui/GrallocMapper.h
+++ b/include/ui/GrallocMapper.h
@@ -45,17 +45,23 @@
     Error retain(buffer_handle_t handle) const;
     void release(buffer_handle_t handle) const;
 
+    Error getDimensions(buffer_handle_t handle,
+            uint32_t* outWidth, uint32_t* outHeight) const;
+    Error getFormat(buffer_handle_t handle, int32_t* outFormat) const;
+    Error getLayerCount(buffer_handle_t handle, uint32_t* outLayerCount) const;
+    Error getProducerUsage(buffer_handle_t handle,
+            uint64_t* outProducerUsage) const;
+    Error getConsumerUsage(buffer_handle_t handle,
+            uint64_t* outConsumerUsage) const;
+    Error getBackingStore(buffer_handle_t handle,
+            uint64_t* outBackingStore) const;
     Error getStride(buffer_handle_t handle, uint32_t* outStride) const;
 
-    Error lock(buffer_handle_t handle,
-            uint64_t producerUsageMask,
-            uint64_t consumerUsageMask,
-            const IMapper::Rect& accessRegion,
+    Error lock(buffer_handle_t handle, uint64_t producerUsage,
+            uint64_t consumerUsage, const IMapper::Rect& accessRegion,
             int acquireFence, void** outData) const;
-    Error lock(buffer_handle_t handle,
-            uint64_t producerUsageMask,
-            uint64_t consumerUsageMask,
-            const IMapper::Rect& accessRegion,
+    Error lock(buffer_handle_t handle, uint64_t producerUsage,
+            uint64_t consumerUsage, const IMapper::Rect& accessRegion,
             int acquireFence, FlexLayout* outLayout) const;
     int unlock(buffer_handle_t handle) const;
 
diff --git a/include/ui/GraphicBuffer.h b/include/ui/GraphicBuffer.h
index 1bbcee2..54f4cd3 100644
--- a/include/ui/GraphicBuffer.h
+++ b/include/ui/GraphicBuffer.h
@@ -81,6 +81,11 @@
             uint32_t inLayerCount, uint32_t inUsage,
             std::string requestorName = "<Unknown>");
 
+    // creates w * h buffer with a layer count using gralloc1
+    GraphicBuffer(uint32_t inWidth, uint32_t inHeight, PixelFormat inFormat,
+            uint32_t inLayerCount, uint64_t inProducerUsage,
+            uint64_t inConsumerUsage, std::string requestorName = "<Unknown>");
+
     // create a buffer from an existing handle
     GraphicBuffer(uint32_t inWidth, uint32_t inHeight, PixelFormat inFormat,
             uint32_t inLayerCount, uint32_t inUsage, uint32_t inStride,
@@ -122,6 +127,8 @@
     status_t lockAsync(uint32_t inUsage, void** vaddr, int fenceFd);
     status_t lockAsync(uint32_t inUsage, const Rect& rect, void** vaddr,
             int fenceFd);
+    status_t lockAsync(uint64_t inProducerUsage, uint64_t inConsumerUsage,
+            const Rect& rect, void** vaddr, int fenceFd);
     status_t lockAsyncYCbCr(uint32_t inUsage, android_ycbcr *ycbcr,
             int fenceFd);
     status_t lockAsyncYCbCr(uint32_t inUsage, const Rect& rect,
@@ -166,7 +173,8 @@
     const GraphicBuffer& operator = (const GraphicBuffer& rhs) const;
 
     status_t initSize(uint32_t inWidth, uint32_t inHeight, PixelFormat inFormat,
-            uint32_t inLayerCount, uint32_t inUsage, std::string requestorName);
+            uint32_t inLayerCount, uint64_t inProducerUsage,
+            uint64_t inConsumerUsage, std::string requestorName);
 
     void free_handle();
 
diff --git a/include/ui/GraphicBufferAllocator.h b/include/ui/GraphicBufferAllocator.h
index 16967d4..2ccc44b 100644
--- a/include/ui/GraphicBufferAllocator.h
+++ b/include/ui/GraphicBufferAllocator.h
@@ -65,8 +65,8 @@
     static inline GraphicBufferAllocator& get() { return getInstance(); }
 
     status_t allocate(uint32_t w, uint32_t h, PixelFormat format,
-            uint32_t layerCount, uint32_t usage, buffer_handle_t* handle,
-            uint32_t* stride, uint64_t graphicBufferId,
+            uint32_t layerCount, uint64_t producerUsage, uint64_t consumerUsage,
+            buffer_handle_t* handle, uint32_t* stride, uint64_t graphicBufferId,
             std::string requestorName);
 
     status_t free(buffer_handle_t handle);
@@ -81,7 +81,8 @@
         uint32_t stride;
         PixelFormat format;
         uint32_t layerCount;
-        uint32_t usage;
+        uint64_t producerUsage;
+        uint64_t consumerUsage;
         size_t size;
         std::string requestorName;
     };
diff --git a/include/ui/GraphicBufferMapper.h b/include/ui/GraphicBufferMapper.h
index b6de1b2..8e93f72 100644
--- a/include/ui/GraphicBufferMapper.h
+++ b/include/ui/GraphicBufferMapper.h
@@ -44,6 +44,25 @@
 
     status_t unregisterBuffer(buffer_handle_t handle);
 
+    status_t getDimensions(buffer_handle_t handle,
+            uint32_t* outWidth, uint32_t* outHeight) const;
+
+    status_t getFormat(buffer_handle_t handle, int32_t* outFormat) const;
+
+    status_t getLayerCount(buffer_handle_t handle,
+            uint32_t* outLayerCount) const;
+
+    status_t getProducerUsage(buffer_handle_t handle,
+            uint64_t* outProducerUsage) const;
+
+    status_t getConsumerUsage(buffer_handle_t handle,
+            uint64_t* outConsumerUsage) const;
+
+    status_t getBackingStore(buffer_handle_t handle,
+            uint64_t* outBackingStore) const;
+
+    status_t getStride(buffer_handle_t handle, uint32_t* outStride) const;
+
     status_t lock(buffer_handle_t handle,
             uint32_t usage, const Rect& bounds, void** vaddr);
 
@@ -55,6 +74,10 @@
     status_t lockAsync(buffer_handle_t handle,
             uint32_t usage, const Rect& bounds, void** vaddr, int fenceFd);
 
+    status_t lockAsync(buffer_handle_t handle,
+            uint64_t producerUsage, uint64_t consumerUsage, const Rect& bounds,
+            void** vaddr, int fenceFd);
+
     status_t lockAsyncYCbCr(buffer_handle_t handle,
             uint32_t usage, const Rect& bounds, android_ycbcr *ycbcr,
             int fenceFd);
diff --git a/libs/gui/GraphicBufferAlloc.cpp b/libs/gui/GraphicBufferAlloc.cpp
index 30f5e53..f2d3677 100644
--- a/libs/gui/GraphicBufferAlloc.cpp
+++ b/libs/gui/GraphicBufferAlloc.cpp
@@ -33,9 +33,10 @@
 
 sp<GraphicBuffer> GraphicBufferAlloc::createGraphicBuffer(uint32_t width,
         uint32_t height, PixelFormat format, uint32_t layerCount,
-        uint32_t usage, std::string requestorName, status_t* error) {
+        uint64_t producerUsage, uint64_t consumerUsage,
+        std::string requestorName, status_t* error) {
     sp<GraphicBuffer> graphicBuffer(new GraphicBuffer(
-            width, height, format, layerCount, usage,
+            width, height, format, layerCount, producerUsage, consumerUsage,
             std::move(requestorName)));
     status_t err = graphicBuffer->initCheck();
     *error = err;
diff --git a/libs/gui/IGraphicBufferAlloc.cpp b/libs/gui/IGraphicBufferAlloc.cpp
index a3d3b74..21a0dd5 100644
--- a/libs/gui/IGraphicBufferAlloc.cpp
+++ b/libs/gui/IGraphicBufferAlloc.cpp
@@ -46,14 +46,16 @@
 
     virtual sp<GraphicBuffer> createGraphicBuffer(uint32_t width,
             uint32_t height, PixelFormat format, uint32_t layerCount,
-            uint32_t usage, std::string requestorName, status_t* error) {
+            uint64_t producerUsage, uint64_t consumerUsage,
+            std::string requestorName, status_t* error) {
         Parcel data, reply;
         data.writeInterfaceToken(IGraphicBufferAlloc::getInterfaceDescriptor());
         data.writeUint32(width);
         data.writeUint32(height);
         data.writeInt32(static_cast<int32_t>(format));
         data.writeUint32(layerCount);
-        data.writeUint32(usage);
+        data.writeUint64(producerUsage);
+        data.writeUint64(consumerUsage);
         if (requestorName.empty()) {
             requestorName += "[PID ";
             requestorName += std::to_string(getpid());
@@ -108,12 +110,14 @@
             uint32_t height = data.readUint32();
             PixelFormat format = static_cast<PixelFormat>(data.readInt32());
             uint32_t layerCount = data.readUint32();
-            uint32_t usage = data.readUint32();
+            uint64_t producerUsage = data.readUint64();
+            uint64_t consumerUsage = data.readUint64();
             status_t error = NO_ERROR;
             std::string requestorName;
             data.readUtf8FromUtf16(&requestorName);
             sp<GraphicBuffer> result = createGraphicBuffer(width, height,
-                    format, layerCount, usage, requestorName, &error);
+                    format, layerCount, producerUsage, consumerUsage,
+                    requestorName, &error);
             reply->writeInt32(error);
             if (result != 0) {
                 reply->write(*result);
diff --git a/libs/ui/Gralloc1.cpp b/libs/ui/Gralloc1.cpp
index 367d1ce..0083f58 100644
--- a/libs/ui/Gralloc1.cpp
+++ b/libs/ui/Gralloc1.cpp
@@ -140,12 +140,6 @@
     return descriptor;
 }
 
-gralloc1_error_t Device::getStride(buffer_handle_t buffer, uint32_t* outStride)
-{
-    int32_t intError = mFunctions.getStride(mDevice, buffer, outStride);
-    return static_cast<gralloc1_error_t>(intError);
-}
-
 static inline bool allocationSucceded(gralloc1_error_t error)
 {
     return error == GRALLOC1_ERROR_NONE || error == GRALLOC1_ERROR_NOT_SHARED;
@@ -225,6 +219,99 @@
     return static_cast<gralloc1_error_t>(intError);
 }
 
+gralloc1_error_t Device::getDimensions(buffer_handle_t buffer,
+        uint32_t* outWidth, uint32_t* outHeight)
+{
+    uint32_t width = 0;
+    uint32_t height = 0;
+    int32_t intError = mFunctions.getDimensions(mDevice, buffer, &width,
+            &height);
+    auto error = static_cast<gralloc1_error_t>(intError);
+    if (error == GRALLOC1_ERROR_NONE) {
+        *outWidth = width;
+        *outHeight = height;
+    }
+    return error;
+}
+
+gralloc1_error_t Device::getFormat(buffer_handle_t buffer,
+        int32_t* outFormat)
+{
+    int32_t format = 0;
+    int32_t intError = mFunctions.getFormat(mDevice, buffer, &format);
+    auto error = static_cast<gralloc1_error_t>(intError);
+    if (error == GRALLOC1_ERROR_NONE) {
+        *outFormat = format;
+    }
+    return error;
+}
+
+gralloc1_error_t Device::getLayerCount(buffer_handle_t buffer,
+        uint32_t* outLayerCount)
+{
+    if (hasCapability(GRALLOC1_CAPABILITY_LAYERED_BUFFERS)) {
+        uint32_t layerCount = 0;
+        int32_t intError = mFunctions.getLayerCount(mDevice, buffer,
+                &layerCount);
+        auto error = static_cast<gralloc1_error_t>(intError);
+        if (error == GRALLOC1_ERROR_NONE) {
+            *outLayerCount = layerCount;
+        }
+        return error;
+    } else {
+        // Layered buffers are not supported on this device.
+        return GRALLOC1_ERROR_UNSUPPORTED;
+    }
+}
+
+gralloc1_error_t Device::getProducerUsage(buffer_handle_t buffer,
+        uint64_t* outProducerUsage)
+{
+    uint64_t usage = 0;
+    int32_t intError = mFunctions.getProducerUsage(mDevice, buffer, &usage);
+    auto error = static_cast<gralloc1_error_t>(intError);
+    if (error == GRALLOC1_ERROR_NONE) {
+        *outProducerUsage = usage;
+    }
+    return error;
+}
+
+gralloc1_error_t Device::getConsumerUsage(buffer_handle_t buffer,
+        uint64_t* outConsumerUsage)
+{
+    uint64_t usage = 0;
+    int32_t intError = mFunctions.getConsumerUsage(mDevice, buffer, &usage);
+    auto error = static_cast<gralloc1_error_t>(intError);
+    if (error == GRALLOC1_ERROR_NONE) {
+        *outConsumerUsage = usage;
+    }
+    return error;
+}
+
+gralloc1_error_t Device::getBackingStore(buffer_handle_t buffer,
+        uint64_t* outBackingStore)
+{
+    uint64_t store = 0;
+    int32_t intError = mFunctions.getBackingStore(mDevice, buffer, &store);
+    auto error = static_cast<gralloc1_error_t>(intError);
+    if (error == GRALLOC1_ERROR_NONE) {
+        *outBackingStore = store;
+    }
+    return error;
+}
+
+gralloc1_error_t Device::getStride(buffer_handle_t buffer,
+        uint32_t* outStride)
+{
+    uint32_t stride = 0;
+    int32_t intError = mFunctions.getStride(mDevice, buffer, &stride);
+    auto error = static_cast<gralloc1_error_t>(intError);
+    if (error == GRALLOC1_ERROR_NONE) {
+        *outStride = stride;
+    }
+    return error;
+}
+
 gralloc1_error_t Device::getNumFlexPlanes(buffer_handle_t buffer,
         uint32_t* outNumPlanes)
 {
@@ -244,7 +331,7 @@
         const sp<Fence>& acquireFence)
 {
     ALOGV("Calling lock(%p)", buffer);
-    return lockHelper(mFunctions.lock.pfn, buffer, producerUsage,
+    return lockHelper(mFunctions.lock, buffer, producerUsage,
             consumerUsage, accessRegion, outData, acquireFence);
 }
 
@@ -256,7 +343,7 @@
         const sp<Fence>& acquireFence)
 {
     ALOGV("Calling lockFlex(%p)", buffer);
-    return lockHelper(mFunctions.lockFlex.pfn, buffer, producerUsage,
+    return lockHelper(mFunctions.lockFlex, buffer, producerUsage,
             consumerUsage, accessRegion, outData, acquireFence);
 }
 
@@ -268,7 +355,7 @@
         const sp<Fence>& acquireFence)
 {
     ALOGV("Calling lockYCbCr(%p)", buffer);
-    return lockHelper(mFunctions.lockYCbCr.pfn, buffer, producerUsage,
+    return lockHelper(mFunctions.lockYCbCr, buffer, producerUsage,
             consumerUsage, accessRegion, outData, acquireFence);
 }
 
diff --git a/libs/ui/GrallocMapper.cpp b/libs/ui/GrallocMapper.cpp
index 7ee01ad..b9e9040 100644
--- a/libs/ui/GrallocMapper.cpp
+++ b/libs/ui/GrallocMapper.cpp
@@ -51,6 +51,115 @@
             "release(%p) failed with %d", handle, error);
 }
 
+Error Mapper::getDimensions(buffer_handle_t handle,
+        uint32_t* outWidth, uint32_t* outHeight) const
+{
+    Error error = kDefaultError;
+    mMapper->getDimensions(handle,
+            [&](const auto& tmpError, const auto& tmpWidth,
+                    const auto& tmpHeight)
+            {
+                error = tmpError;
+                if (error != Error::NONE) {
+                    return;
+                }
+
+                *outWidth = tmpWidth;
+                *outHeight = tmpHeight;
+            });
+
+    return error;
+}
+
+Error Mapper::getFormat(buffer_handle_t handle, int32_t* outFormat) const
+{
+    Error error = kDefaultError;
+    mMapper->getFormat(handle,
+            [&](const auto& tmpError, const auto& tmpFormat)
+            {
+                error = tmpError;
+                if (error != Error::NONE) {
+                    return;
+                }
+
+                *outFormat = static_cast<int32_t>(tmpFormat);
+            });
+
+    return error;
+}
+
+Error Mapper::getLayerCount(buffer_handle_t handle,
+        uint32_t* outLayerCount) const
+{
+    Error error = kDefaultError;
+    mMapper->getLayerCount(handle,
+            [&](const auto& tmpError, const auto& tmpLayerCount)
+            {
+                error = tmpError;
+                if (error != Error::NONE) {
+                    return;
+                }
+
+                *outLayerCount = tmpLayerCount;
+            });
+
+    return error;
+}
+
+Error Mapper::getProducerUsage(buffer_handle_t handle,
+    uint64_t* outProducerUsage) const
+{
+    Error error = kDefaultError;
+    mMapper->getProducerUsageMask(handle,
+            [&](const auto& tmpError, const auto& tmpProducerUsage)
+            {
+                error = tmpError;
+                if (error != Error::NONE) {
+                    return;
+                }
+
+                *outProducerUsage = tmpProducerUsage;
+            });
+
+    return error;
+}
+
+Error Mapper::getConsumerUsage(buffer_handle_t handle,
+        uint64_t* outConsumerUsage) const
+{
+    Error error = kDefaultError;
+    mMapper->getConsumerUsageMask(handle,
+            [&](const auto& tmpError, const auto& tmpConsumerUsage)
+            {
+                error = tmpError;
+                if (error != Error::NONE) {
+                    return;
+                }
+
+                *outConsumerUsage = tmpConsumerUsage;
+            });
+
+    return error;
+}
+
+Error Mapper::getBackingStore(buffer_handle_t handle,
+        uint64_t* outBackingStore) const
+{
+    Error error = kDefaultError;
+    mMapper->getBackingStore(handle,
+            [&](const auto& tmpError, const auto& tmpStore)
+            {
+                error = tmpError;
+                if (error != Error::NONE) {
+                    return;
+                }
+
+                *outBackingStore = tmpStore;
+            });
+
+    return error;
+}
+
 Error Mapper::getStride(buffer_handle_t handle, uint32_t* outStride) const
 {
     Error error = kDefaultError;
@@ -69,8 +178,8 @@
 }
 
 Error Mapper::lock(buffer_handle_t handle,
-        uint64_t producerUsageMask,
-        uint64_t consumerUsageMask,
+        uint64_t producerUsage,
+        uint64_t consumerUsage,
         const IMapper::Rect& accessRegion,
         int acquireFence, void** outData) const
 {
@@ -84,7 +193,7 @@
     }
 
     Error error = kDefaultError;
-    mMapper->lock(handle, producerUsageMask, consumerUsageMask,
+    mMapper->lock(handle, producerUsage, consumerUsage,
             accessRegion, acquireFenceHandle,
             [&](const auto& tmpError, const auto& tmpData)
             {
@@ -104,8 +213,8 @@
 }
 
 Error Mapper::lock(buffer_handle_t handle,
-        uint64_t producerUsageMask,
-        uint64_t consumerUsageMask,
+        uint64_t producerUsage,
+        uint64_t consumerUsage,
         const IMapper::Rect& accessRegion,
         int acquireFence, FlexLayout* outLayout) const
 {
@@ -119,7 +228,7 @@
     }
 
     Error error = kDefaultError;
-    mMapper->lockFlex(handle, producerUsageMask, consumerUsageMask,
+    mMapper->lockFlex(handle, producerUsage, consumerUsage,
             accessRegion, acquireFenceHandle,
             [&](const auto& tmpError, const auto& tmpLayout)
             {
diff --git a/libs/ui/GraphicBuffer.cpp b/libs/ui/GraphicBuffer.cpp
index 07164a4..d29bae1 100644
--- a/libs/ui/GraphicBuffer.cpp
+++ b/libs/ui/GraphicBuffer.cpp
@@ -67,13 +67,13 @@
     layerCount =
     usage  = 0;
     handle = NULL;
-    mInitCheck = initSize(inWidth, inHeight, inFormat, 1, inUsage,
+    mInitCheck = initSize(inWidth, inHeight, inFormat, 1, inUsage, inUsage,
             std::move(requestorName));
 }
 
 GraphicBuffer::GraphicBuffer(uint32_t inWidth, uint32_t inHeight,
-        PixelFormat inFormat, uint32_t inLayerCount, uint32_t inUsage,
-        std::string requestorName)
+        PixelFormat inFormat, uint32_t inLayerCount, uint64_t producerUsage,
+        uint64_t consumerUsage, std::string requestorName)
     : BASE(), mOwner(ownData), mBufferMapper(GraphicBufferMapper::get()),
       mInitCheck(NO_ERROR), mId(getUniqueId()), mGenerationNumber(0)
 {
@@ -84,8 +84,8 @@
     layerCount =
     usage  = 0;
     handle = NULL;
-    mInitCheck = initSize(inWidth, inHeight, inFormat, inLayerCount, inUsage,
-            std::move(requestorName));
+    mInitCheck = initSize(inWidth, inHeight, inFormat, inLayerCount,
+            producerUsage, consumerUsage, std::move(requestorName));
 }
 
 GraphicBuffer::GraphicBuffer(uint32_t inWidth, uint32_t inHeight,
@@ -177,7 +177,7 @@
         allocator.free(handle);
         handle = 0;
     }
-    return initSize(inWidth, inHeight, inFormat, inLayerCount, inUsage,
+    return initSize(inWidth, inHeight, inFormat, inLayerCount, inUsage, inUsage,
             "[Reallocation]");
 }
 
@@ -193,19 +193,20 @@
 }
 
 status_t GraphicBuffer::initSize(uint32_t inWidth, uint32_t inHeight,
-        PixelFormat inFormat, uint32_t inLayerCount, uint32_t inUsage,
-        std::string requestorName)
+        PixelFormat inFormat, uint32_t inLayerCount, uint64_t inProducerUsage,
+        uint64_t inConsumerUsage, std::string requestorName)
 {
     GraphicBufferAllocator& allocator = GraphicBufferAllocator::get();
     uint32_t outStride = 0;
     status_t err = allocator.allocate(inWidth, inHeight, inFormat, inLayerCount,
-            inUsage, &handle, &outStride, mId, std::move(requestorName));
+            inProducerUsage, inConsumerUsage, &handle, &outStride, mId,
+            std::move(requestorName));
     if (err == NO_ERROR) {
         width = static_cast<int>(inWidth);
         height = static_cast<int>(inHeight);
         format = inFormat;
         layerCount = inLayerCount;
-        usage = static_cast<int>(inUsage);
+        usage = static_cast<int>(inProducerUsage | inConsumerUsage);
         stride = static_cast<int>(outStride);
     }
     return err;
@@ -268,6 +269,12 @@
 status_t GraphicBuffer::lockAsync(uint32_t inUsage, const Rect& rect,
         void** vaddr, int fenceFd)
 {
+    return lockAsync(inUsage, inUsage, rect, vaddr, fenceFd);
+}
+
+status_t GraphicBuffer::lockAsync(uint64_t inProducerUsage,
+        uint64_t inConsumerUsage, const Rect& rect, void** vaddr, int fenceFd)
+{
     if (rect.left < 0 || rect.right  > width ||
         rect.top  < 0 || rect.bottom > height) {
         ALOGE("locking pixels (%d,%d,%d,%d) outside of buffer (w=%d, h=%d)",
@@ -275,8 +282,8 @@
                 width, height);
         return BAD_VALUE;
     }
-    status_t res = getBufferMapper().lockAsync(handle, inUsage, rect, vaddr,
-            fenceFd);
+    status_t res = getBufferMapper().lockAsync(handle, inProducerUsage,
+            inConsumerUsage, rect, vaddr, fenceFd);
     return res;
 }
 
diff --git a/libs/ui/GraphicBufferAllocator.cpp b/libs/ui/GraphicBufferAllocator.cpp
index 07ad4c1..b14110e 100644
--- a/libs/ui/GraphicBufferAllocator.cpp
+++ b/libs/ui/GraphicBufferAllocator.cpp
@@ -63,15 +63,19 @@
     for (size_t i=0 ; i<c ; i++) {
         const alloc_rec_t& rec(list.valueAt(i));
         if (rec.size) {
-            snprintf(buffer, SIZE, "%10p: %7.2f KiB | %4u (%4u) x %4u | %4u | %8X | 0x%08x | %s\n",
+            snprintf(buffer, SIZE, "%10p: %7.2f KiB | %4u (%4u) x %4u | %4u | %8X | 0x%" PRIx64
+                    ", 0x%" PRIx64 " | %s\n",
                     list.keyAt(i), rec.size/1024.0,
                     rec.width, rec.stride, rec.height, rec.layerCount, rec.format,
-                    rec.usage, rec.requestorName.c_str());
+                    rec.producerUsage, rec.consumerUsage,
+                    rec.requestorName.c_str());
         } else {
-            snprintf(buffer, SIZE, "%10p: unknown     | %4u (%4u) x %4u | %4u | %8X | 0x%08x | %s\n",
+            snprintf(buffer, SIZE, "%10p: unknown     | %4u (%4u) x %4u | %4u | %8X | 0x%" PRIx64
+                    ", 0x%" PRIx64 " | %s\n",
                     list.keyAt(i),
                     rec.width, rec.stride, rec.height, rec.layerCount, rec.format,
-                    rec.usage, rec.requestorName.c_str());
+                    rec.producerUsage, rec.consumerUsage,
+                    rec.requestorName.c_str());
         }
         result.append(buffer);
         total += rec.size;
@@ -102,7 +106,8 @@
 public:
     HalBuffer(const Gralloc2::Allocator* allocator,
             uint32_t width, uint32_t height,
-            PixelFormat format, uint32_t layerCount, uint32_t usage)
+            PixelFormat format, uint32_t layerCount, uint64_t producerUsage,
+            uint64_t consumerUsage)
         : mAllocator(allocator), mBufferValid(false)
     {
         Gralloc2::IAllocatorClient::BufferDescriptorInfo info = {};
@@ -110,14 +115,16 @@
         info.height = height;
         info.format = static_cast<Gralloc2::PixelFormat>(format);
         info.layerCount = layerCount;
-        info.producerUsageMask = usage;
-        info.consumerUsageMask = usage;
+        info.producerUsageMask = producerUsage;
+        info.consumerUsageMask = consumerUsage;
 
         Gralloc2::BufferDescriptor descriptor;
         auto error = mAllocator->createBufferDescriptor(info, &descriptor);
         if (error != Gralloc2::Error::NONE) {
-            ALOGE("Failed to create desc (%u x %u) layerCount %u format %d usage %u: %d",
-                    width, height, layerCount, format, usage, error);
+            ALOGE("Failed to create desc (%u x %u) layerCount %u format %d producerUsage %" PRIx64
+                    " consumerUsage %" PRIx64 ": %d",
+                    width, height, layerCount, format, producerUsage,
+                    consumerUsage, error);
             return;
         }
 
@@ -127,8 +134,10 @@
         }
 
         if (error != Gralloc2::Error::NONE) {
-            ALOGE("Failed to allocate (%u x %u) layerCount %u format %d usage %u: %d",
-                    width, height, layerCount, format, usage, error);
+            ALOGE("Failed to allocate (%u x %u) layerCount %u format %d producerUsage %" PRIx64
+                    " consumerUsage %" PRIx64 ": %d",
+                    width, height, layerCount, format, producerUsage,
+                    consumerUsage, error);
             mAllocator->destroyBufferDescriptor(descriptor);
             return;
         }
@@ -195,9 +204,9 @@
 } // namespace
 
 status_t GraphicBufferAllocator::allocate(uint32_t width, uint32_t height,
-        PixelFormat format, uint32_t layerCount, uint32_t usage,
-        buffer_handle_t* handle, uint32_t* stride, uint64_t graphicBufferId,
-        std::string requestorName)
+        PixelFormat format, uint32_t layerCount, uint64_t producerUsage,
+        uint64_t consumerUsage, buffer_handle_t* handle, uint32_t* stride,
+        uint64_t graphicBufferId, std::string requestorName)
 {
     ATRACE_CALL();
 
@@ -210,13 +219,10 @@
     if (layerCount < 1)
         layerCount = 1;
 
-    // Filter out any usage bits that should not be passed to the gralloc module
-    usage &= GRALLOC_USAGE_ALLOC_MASK;
-
     gralloc1_error_t error;
     if (mAllocator->valid()) {
         HalBuffer buffer(mAllocator.get(), width, height, format, layerCount,
-                usage);
+                producerUsage, consumerUsage);
         if (!buffer.exportHandle(mMapper, handle, stride)) {
             return NO_MEMORY;
         }
@@ -247,22 +253,26 @@
             return BAD_VALUE;
         }
         error = descriptor->setProducerUsage(
-                static_cast<gralloc1_producer_usage_t>(usage));
+                static_cast<gralloc1_producer_usage_t>(producerUsage));
         if (error != GRALLOC1_ERROR_NONE) {
-            ALOGE("Failed to set producer usage to %u: %d", usage, error);
+            ALOGE("Failed to set producer usage to %" PRIx64 ": %d",
+                    producerUsage, error);
             return BAD_VALUE;
         }
         error = descriptor->setConsumerUsage(
-                static_cast<gralloc1_consumer_usage_t>(usage));
+                static_cast<gralloc1_consumer_usage_t>(consumerUsage));
         if (error != GRALLOC1_ERROR_NONE) {
-            ALOGE("Failed to set consumer usage to %u: %d", usage, error);
+            ALOGE("Failed to set consumer usage to %" PRIx64 ": %d",
+                    consumerUsage, error);
             return BAD_VALUE;
         }
 
         error = mDevice->allocate(descriptor, graphicBufferId, handle);
         if (error != GRALLOC1_ERROR_NONE) {
-            ALOGE("Failed to allocate (%u x %u) layerCount %u format %d usage %u: %d",
-                    width, height, layerCount, format, usage, error);
+            ALOGE("Failed to allocate (%u x %u) layerCount %u format %d "
+                    "producerUsage %" PRIx64 " consumerUsage %" PRIx64 ": %d",
+                    width, height, layerCount, format, producerUsage,
+                    consumerUsage, error);
             return NO_MEMORY;
         }
 
@@ -282,7 +292,8 @@
         rec.stride = *stride;
         rec.format = format;
         rec.layerCount = layerCount;
-        rec.usage = usage;
+        rec.producerUsage = producerUsage;
+        rec.consumerUsage = consumerUsage;
         rec.size = static_cast<size_t>(height * (*stride) * bpp);
         rec.requestorName = std::move(requestorName);
         list.add(*handle, rec);
diff --git a/libs/ui/GraphicBufferMapper.cpp b/libs/ui/GraphicBufferMapper.cpp
index 1ff934b..b0ed2df 100644
--- a/libs/ui/GraphicBufferMapper.cpp
+++ b/libs/ui/GraphicBufferMapper.cpp
@@ -117,6 +117,140 @@
     return outRect;
 }
 
+
+status_t GraphicBufferMapper::getDimensions(buffer_handle_t handle,
+        uint32_t* outWidth, uint32_t* outHeight) const
+{
+    ATRACE_CALL();
+
+    gralloc1_error_t error;
+    if (mMapper->valid()) {
+        mMapper->getDimensions(handle, outWidth, outHeight);
+        error = GRALLOC1_ERROR_NONE;
+    } else {
+        error = mDevice->getDimensions(handle, outWidth, outHeight);
+    }
+
+    ALOGW_IF(error != GRALLOC1_ERROR_NONE, "getDimensions(%p, ...): failed %d",
+            handle, error);
+
+    return error;
+}
+
+status_t GraphicBufferMapper::getFormat(buffer_handle_t handle,
+        int32_t* outFormat) const
+{
+    ATRACE_CALL();
+
+    gralloc1_error_t error;
+    if (mMapper->valid()) {
+        mMapper->getFormat(handle, outFormat);
+        error = GRALLOC1_ERROR_NONE;
+    } else {
+        error = mDevice->getFormat(handle, outFormat);
+    }
+
+    ALOGW_IF(error != GRALLOC1_ERROR_NONE, "getFormat(%p, ...): failed %d",
+            handle, error);
+
+    return error;
+}
+
+status_t GraphicBufferMapper::getLayerCount(buffer_handle_t handle,
+        uint32_t* outLayerCount) const
+{
+    ATRACE_CALL();
+
+    gralloc1_error_t error;
+    if (mMapper->valid()) {
+        mMapper->getLayerCount(handle, outLayerCount);
+        error = GRALLOC1_ERROR_NONE;
+    } else {
+        error = mDevice->getLayerCount(handle, outLayerCount);
+    }
+
+    ALOGW_IF(error != GRALLOC1_ERROR_NONE, "getLayerCount(%p, ...): failed %d",
+            handle, error);
+
+    return error;
+}
+
+status_t GraphicBufferMapper::getProducerUsage(buffer_handle_t handle,
+        uint64_t* outProducerUsage) const
+{
+    ATRACE_CALL();
+
+    gralloc1_error_t error;
+    if (mMapper->valid()) {
+        mMapper->getProducerUsage(handle, outProducerUsage);
+        error = GRALLOC1_ERROR_NONE;
+    } else {
+        error = mDevice->getProducerUsage(handle, outProducerUsage);
+    }
+
+    ALOGW_IF(error != GRALLOC1_ERROR_NONE,
+            "getProducerUsage(%p, ...): failed %d", handle, error);
+
+    return error;
+}
+
+status_t GraphicBufferMapper::getConsumerUsage(buffer_handle_t handle,
+        uint64_t* outConsumerUsage) const
+{
+    ATRACE_CALL();
+
+    gralloc1_error_t error;
+    if (mMapper->valid()) {
+        mMapper->getConsumerUsage(handle, outConsumerUsage);
+        error = GRALLOC1_ERROR_NONE;
+    } else {
+        error = mDevice->getConsumerUsage(handle, outConsumerUsage);
+    }
+
+    ALOGW_IF(error != GRALLOC1_ERROR_NONE,
+            "getConsumerUsage(%p, ...): failed %d", handle, error);
+
+    return error;
+}
+
+status_t GraphicBufferMapper::getBackingStore(buffer_handle_t handle,
+        uint64_t* outBackingStore) const
+{
+    ATRACE_CALL();
+
+    gralloc1_error_t error;
+    if (mMapper->valid()) {
+        mMapper->getBackingStore(handle, outBackingStore);
+        error = GRALLOC1_ERROR_NONE;
+    } else {
+        error = mDevice->getBackingStore(handle, outBackingStore);
+    }
+
+    ALOGW_IF(error != GRALLOC1_ERROR_NONE,
+            "getBackingStore(%p, ...): failed %d", handle, error);
+
+    return error;
+}
+
+status_t GraphicBufferMapper::getStride(buffer_handle_t handle,
+        uint32_t* outStride) const
+{
+    ATRACE_CALL();
+
+    gralloc1_error_t error;
+    if (mMapper->valid()) {
+        mMapper->getStride(handle, outStride);
+        error = GRALLOC1_ERROR_NONE;
+    } else {
+        error = mDevice->getStride(handle, outStride);
+    }
+
+    ALOGW_IF(error != GRALLOC1_ERROR_NONE, "getStride(%p, ...): failed %d",
+            handle, error);
+
+    return error;
+}
+
 status_t GraphicBufferMapper::lock(buffer_handle_t handle, uint32_t usage,
         const Rect& bounds, void** vaddr)
 {
@@ -143,6 +277,13 @@
 status_t GraphicBufferMapper::lockAsync(buffer_handle_t handle,
         uint32_t usage, const Rect& bounds, void** vaddr, int fenceFd)
 {
+    return lockAsync(handle, usage, usage, bounds, vaddr, fenceFd);
+}
+
+status_t GraphicBufferMapper::lockAsync(buffer_handle_t handle,
+        uint64_t producerUsage, uint64_t consumerUsage, const Rect& bounds,
+        void** vaddr, int fenceFd)
+{
     ATRACE_CALL();
 
     gralloc1_rect_t accessRegion = asGralloc1Rect(bounds);
@@ -151,12 +292,13 @@
         const Gralloc2::IMapper::Rect& accessRect =
             *reinterpret_cast<Gralloc2::IMapper::Rect*>(&accessRegion);
         error = static_cast<gralloc1_error_t>(mMapper->lock(
-                    handle, usage, usage, accessRect, fenceFd, vaddr));
+                    handle, producerUsage, consumerUsage, accessRect,
+                    fenceFd, vaddr));
     } else {
         sp<Fence> fence = new Fence(fenceFd);
         error = mDevice->lock(handle,
-                static_cast<gralloc1_producer_usage_t>(usage),
-                static_cast<gralloc1_consumer_usage_t>(usage),
+                static_cast<gralloc1_producer_usage_t>(producerUsage),
+                static_cast<gralloc1_consumer_usage_t>(consumerUsage),
                 &accessRegion, vaddr, fence);
     }
 
diff --git a/libs/vr/libgvr/Android.mk b/libs/vr/libgvr/Android.mk
index be78605..0daf2ea 100644
--- a/libs/vr/libgvr/Android.mk
+++ b/libs/vr/libgvr/Android.mk
@@ -19,10 +19,9 @@
 
 # Java platform library for the system implementation of the GVR API.
 include $(CLEAR_VARS)
-LOCAL_MODULE := gvr_platform
-LOCAL_MODULE_STEM := com.google.vr.gvr.platform
+LOCAL_MODULE := com.google.vr.gvr.platform
 LOCAL_REQUIRED_MODULES := libgvr_system_loader libgvr_system
-LOCAL_SRC_FILES := $(call all-subdir-java-files)
+LOCAL_SRC_FILES := $(call all-java-files-under, java)
 include $(BUILD_JAVA_LIBRARY)
 
 # Library to perform dlopen on the actual platform library.
diff --git a/libs/vr/libgvr/java/com/google/vr/gvr/platform/Loader.java b/libs/vr/libgvr/java/com/google/vr/gvr/platform/Loader.java
index 5c5cc62..381175c 100644
--- a/libs/vr/libgvr/java/com/google/vr/gvr/platform/Loader.java
+++ b/libs/vr/libgvr/java/com/google/vr/gvr/platform/Loader.java
@@ -1,32 +1,38 @@
 package com.google.vr.gvr.platform;
 
+import android.os.SystemProperties;
+
 /**
  * Auxiliary class to load the system implementation of the GVR API.
+ * @hide
  */
 public class Loader {
 
-  /**
-   * Opens a shared library containing the system implementation for the GVR
-   * API and returns the handle to it.
-   *
-   * @return A Long object describing the handle returned by dlopen.
-   */
-  public static Long loadLibrary() {
-    // Note: we cannot safely do caller verifications here, so instead we do
-    // them in the service side. This means that private API symbols will be
-    // visible to any app adding the appropriate <uses-library> in their
-    // manifest, but any requests to such APIs will fail if not done from a
-    // trusted package like VrCore.
-    //
-    // Trusted packages are defined by (package name, signature) pairs in within
-    // a system service, and both must match.
+    private static final String VR_MODE_BOOT = "ro.boot.vr";
 
-    // Load a thin JNI library that runs dlopen on request.
-    System.loadLibrary("gvr_system_loader");
+    /**
+     * Opens a shared library containing the system implementation for the GVR API and returns the
+     * handle to it.
+     *
+     * @return A Long object describing the handle returned by dlopen.
+     */
+    public static Long loadLibrary() {
+        // Note: caller verifications cannot be safely done here. Any app can find and use this API.
+        // Any sensitive functions must have appropriate checks on the service side.
 
-    // Performs dlopen on the library and returns the handle.
-    return nativeLoadLibrary("libgvr_system.so");
-  }
+        // Load a thin JNI library that runs dlopen on request.
+        System.loadLibrary("gvr_system_loader");
 
-  private static native long nativeLoadLibrary(String library);
+        // Performs dlopen on the library and returns the handle.
+        return nativeLoadLibrary("libgvr_system.so");
+    }
+
+    /**
+     * Returns true if this device boots directly in VR mode.
+     */
+    public static boolean getVrBoot() {
+        return SystemProperties.getBoolean(VR_MODE_BOOT, false);
+    }
+
+    private static native long nativeLoadLibrary(String library);
 }
diff --git a/libs/vr/libvrflinger/display_surface.cpp b/libs/vr/libvrflinger/display_surface.cpp
index e1729f8..7c821bf 100644
--- a/libs/vr/libvrflinger/display_surface.cpp
+++ b/libs/vr/libvrflinger/display_surface.cpp
@@ -381,6 +381,15 @@
   ATRACE_NAME("DisplaySurface::OnPostConsumer");
   std::lock_guard<std::mutex> autolock(lock_);
 
+  if (!IsVisible()) {
+    ALOGD_IF(TRACE,
+             "DisplaySurface::OnPostConsumer: Discarding buffer_id=%d on "
+             "invisible surface.",
+             consumer->id());
+    consumer->Discard();
+    return;
+  }
+
   if (posted_buffers_.IsFull()) {
     ALOGE("Error: posted buffers full, overwriting");
     posted_buffers_.PopBack();
diff --git a/opengl/libs/EGL/eglApi.cpp b/opengl/libs/EGL/eglApi.cpp
index 1672397..2782ed7 100644
--- a/opengl/libs/EGL/eglApi.cpp
+++ b/opengl/libs/EGL/eglApi.cpp
@@ -21,7 +21,7 @@
 #include <stdlib.h>
 #include <string.h>
 
-#include <hardware/gralloc.h>
+#include <hardware/gralloc1.h>
 #include <system/window.h>
 
 #include <EGL/egl.h>
@@ -1833,7 +1833,8 @@
 {
     clearError();
 
-    int usage = 0;
+    uint64_t producerUsage = 0;
+    uint64_t consumerUsage = 0;
     uint32_t width = 0;
     uint32_t height = 0;
     uint32_t format = 0;
@@ -1866,13 +1867,13 @@
                 GET_NONNEGATIVE_VALUE(EGL_LAYER_COUNT_ANDROID, layer_count);
                 case EGL_NATIVE_BUFFER_USAGE_ANDROID:
                     if (value & EGL_NATIVE_BUFFER_USAGE_PROTECTED_BIT_ANDROID) {
-                        usage |= GRALLOC_USAGE_PROTECTED;
+                        producerUsage |= GRALLOC1_PRODUCER_USAGE_PROTECTED;
                     }
                     if (value & EGL_NATIVE_BUFFER_USAGE_RENDERBUFFER_BIT_ANDROID) {
-                        usage |= GRALLOC_USAGE_HW_RENDER;
+                        producerUsage |= GRALLOC1_PRODUCER_USAGE_GPU_RENDER_TARGET;
                     }
                     if (value & EGL_NATIVE_BUFFER_USAGE_TEXTURE_BIT_ANDROID) {
-                        usage |= GRALLOC_USAGE_HW_TEXTURE;
+                        consumerUsage |= GRALLOC1_CONSUMER_USAGE_GPU_TEXTURE;
                     }
                     break;
                 default:
@@ -1940,8 +1941,10 @@
     CHECK_ERROR_CONDITION("Unable to write format");
     err = data.writeUint32(layer_count);
     CHECK_ERROR_CONDITION("Unable to write layer count");
-     err = data.writeUint32(usage);
-    CHECK_ERROR_CONDITION("Unable to write usage");
+    err = data.writeUint64(producerUsage);
+    CHECK_ERROR_CONDITION("Unable to write producer usage");
+    err = data.writeUint64(consumerUsage);
+    CHECK_ERROR_CONDITION("Unable to write consumer usage");
     err = data.writeUtf8AsUtf16(
             std::string("[eglCreateNativeClientBufferANDROID pid ") +
             std::to_string(getpid()) + ']');
@@ -1958,12 +1961,15 @@
     err = gBuffer->initCheck();
     if (err != NO_ERROR) {
         ALOGE("Unable to create native buffer "
-                "{ w=%u, h=%u, f=%u, u=%#x, lc=%u}: %#x", width, height, format,
-                usage, layer_count, err);
+                "{ w=%u, h=%u, f=%u, pu=%" PRIx64 " cu=%" PRIx64 ", lc=%u} %#x",
+                width, height, format, producerUsage, consumerUsage,
+                layer_count, err);
         goto error_condition;
     }
-    ALOGV("Created new native buffer %p { w=%u, h=%u, f=%u, u=%#x, lc=%u}",
-            gBuffer, width, height, format, usage, layer_count);
+    ALOGV("Created new native buffer %p { w=%u, h=%u, f=%u, pu=%" PRIx64
+          " cu=%" PRIx64 ", lc=%u}",
+            gBuffer, width, height, format, producerUsage, consumerUsage,
+            layer_count);
     return static_cast<EGLClientBuffer>(gBuffer->getNativeBuffer());
 
 #undef CHECK_ERROR_CONDITION
diff --git a/vulkan/libvulkan/debug_report.cpp b/vulkan/libvulkan/debug_report.cpp
index 0c2f138..40ba1e5 100644
--- a/vulkan/libvulkan/debug_report.cpp
+++ b/vulkan/libvulkan/debug_report.cpp
@@ -46,7 +46,8 @@
         Node* prev = &head_;
         while (prev && prev->next != node)
             prev = prev->next;
-        prev->next = node->next;
+        if (prev)
+            prev->next = node->next;
     }
 
     allocator.pfnFree(allocator.pUserData, node);