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diff --git a/widget/gonk/hwchal/HwcHAL.h b/widget/gonk/hwchal/HwcHAL.h
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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* vim:set ts=4 sw=4 sts=4 et: */
+/*
+ * Copyright (c) 2015 The Linux Foundation. All rights reserved.
+ *
+ * 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 mozilla_HwcHAL
+#define mozilla_HwcHAL
+
+#include "HwcHALBase.h"
+
+namespace mozilla {
+
+class HwcHAL final : public HwcHALBase {
+public:
+ explicit HwcHAL();
+
+ virtual ~HwcHAL();
+
+ virtual bool HasHwc() const override { return static_cast<bool>(mHwc); }
+
+ virtual void SetEGLInfo(hwc_display_t aDpy,
+ hwc_surface_t aSur) override { }
+
+ virtual bool Query(QueryType aType) override;
+
+ virtual int Set(HwcList *aList,
+ uint32_t aDisp) override;
+
+ virtual int ResetHwc() override;
+
+ virtual int Prepare(HwcList *aList,
+ uint32_t aDisp,
+ hwc_rect_t aDispRect,
+ buffer_handle_t aHandle,
+ int aFenceFd) override;
+
+ virtual bool SupportTransparency() const override;
+
+ virtual uint32_t GetGeometryChangedFlag(bool aGeometryChanged) const override;
+
+ virtual void SetCrop(HwcLayer &aLayer,
+ const hwc_rect_t &aSrcCrop) const override;
+
+ virtual bool EnableVsync(bool aEnable) override;
+
+ virtual bool RegisterHwcEventCallback(const HwcHALProcs_t &aProcs) override;
+
+private:
+ uint32_t GetAPIVersion() const;
+
+private:
+ HwcDevice *mHwc = nullptr;
+};
+
+} // namespace mozilla
+
+#endif // mozilla_HwcHAL