diff --git a/include/ui/GrallocMapper.h b/include/ui/GrallocMapper.h
new file mode 100644
index 0000000..5517449
--- /dev/null
+++ b/include/ui/GrallocMapper.h
@@ -0,0 +1,127 @@
+/*
+ * Copyright 2016 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_UI_GRALLOC_MAPPER_H
+#define ANDROID_UI_GRALLOC_MAPPER_H
+
+#include <memory>
+
+#include <android/hardware/graphics/mapper/2.0/IMapper.h>
+#include <system/window.h>
+
+namespace android {
+
+namespace Gralloc2 {
+
+using hardware::graphics::allocator::V2_0::Error;
+using hardware::graphics::allocator::V2_0::PixelFormat;
+using hardware::graphics::allocator::V2_0::ProducerUsage;
+using hardware::graphics::allocator::V2_0::ConsumerUsage;
+using hardware::graphics::mapper::V2_0::FlexLayout;
+using hardware::graphics::mapper::V2_0::BackingStore;
+using hardware::graphics::mapper::V2_0::Device;
+using hardware::graphics::mapper::V2_0::IMapper;
+
+// Mapper is a wrapper to IMapper, a client-side graphics buffer mapper.
+class Mapper {
+public:
+    Mapper();
+    ~Mapper();
+
+    // this will be removed and Mapper will be always valid
+    bool valid() const { return (mMapper != nullptr); }
+
+    Error retain(buffer_handle_t handle) const
+    {
+        return mMapper->retain(mDevice, handle);
+    }
+
+    void release(buffer_handle_t handle) const;
+
+    Error getDimensions(buffer_handle_t handle,
+            uint32_t& width, uint32_t& height) const
+    {
+        return mMapper->getDimensions(mDevice, handle, &width, &height);
+    }
+
+    Error getFormat(buffer_handle_t handle,
+            PixelFormat& format) const
+    {
+        return mMapper->getFormat(mDevice, handle, &format);
+    }
+
+    Error getProducerUsageMask(buffer_handle_t handle,
+            uint64_t& usageMask) const
+    {
+        return mMapper->getProducerUsageMask(mDevice, handle, &usageMask);
+    }
+
+    Error getConsumerUsageMask(buffer_handle_t handle,
+            uint64_t& usageMask) const
+    {
+        return mMapper->getConsumerUsageMask(mDevice, handle, &usageMask);
+    }
+
+    Error getBackingStore(buffer_handle_t handle,
+            BackingStore& store) const
+    {
+        return mMapper->getBackingStore(mDevice, handle, &store);
+    }
+
+    Error getStride(buffer_handle_t handle, uint32_t& stride) const
+    {
+        return mMapper->getStride(mDevice, handle, &stride);
+    }
+
+    Error getNumFlexPlanes(buffer_handle_t handle, uint32_t& numPlanes) const
+    {
+        return mMapper->getNumFlexPlanes(mDevice, handle, &numPlanes);
+    }
+
+    Error lock(buffer_handle_t handle,
+            uint64_t producerUsageMask,
+            uint64_t consumerUsageMask,
+            const Device::Rect& accessRegion,
+            int acquireFence, void*& data) const
+    {
+        return mMapper->lock(mDevice, handle,
+                producerUsageMask, consumerUsageMask,
+                &accessRegion, acquireFence, &data);
+    }
+
+    Error lock(buffer_handle_t handle,
+            uint64_t producerUsageMask,
+            uint64_t consumerUsageMask,
+            const Device::Rect& accessRegion,
+            int acquireFence, FlexLayout& flexLayout) const
+    {
+        return mMapper->lockFlex(mDevice, handle,
+                producerUsageMask, consumerUsageMask,
+                &accessRegion, acquireFence, &flexLayout);
+    }
+
+    int unlock(buffer_handle_t handle) const;
+
+private:
+    const IMapper* mMapper;
+    Device* mDevice;
+};
+
+} // namespace Gralloc2
+
+} // namespace android
+
+#endif // ANDROID_UI_GRALLOC_MAPPER_H