diff --git a/gralloc/QtiMapperExtensions.h b/gralloc/QtiMapperExtensions.h
new file mode 100644
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--- /dev/null
+++ b/gralloc/QtiMapperExtensions.h
@@ -0,0 +1,99 @@
+/*
+ * Copyright (c) 2019 The Linux Foundation. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ *       copyright notice, this list of conditions and the following
+ *       disclaimer in the documentation and/or other materials provided
+ *       with the distribution.
+ *     * Neither the name of The Linux Foundation nor the names of its
+ *       contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+ * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+ * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef __QTIMAPPEREXTENSIONS_H__
+#define __QTIMAPPEREXTENSIONS_H__
+
+#include <hidl/MQDescriptor.h>
+#include <hidl/Status.h>
+#include <vendor/qti/hardware/display/mapperextensions/1.0/IQtiMapperExtensions.h>
+
+#include "gr_buf_mgr.h"
+namespace vendor {
+namespace qti {
+namespace hardware {
+namespace display {
+namespace mapperextensions {
+namespace V1_0 {
+namespace implementation {
+
+using ::android::sp;
+using ::android::hardware::hidl_array;
+using ::android::hardware::hidl_handle;
+using ::android::hardware::hidl_memory;
+using ::android::hardware::hidl_string;
+using ::android::hardware::hidl_vec;
+using ::android::hardware::Return;
+using ::android::hardware::Void;
+using ::android::hardware::graphics::common::V1_1::PixelFormat;
+using ::android::hardware::graphics::mapper::V2_0::IMapper;
+using ::android::hidl::base::V1_0::DebugInfo;
+using ::android::hidl::base::V1_0::IBase;
+using gralloc::BufferManager;
+using ::vendor::qti::hardware::display::mapperextensions::V1_0::IQtiMapperExtensions;
+
+class QtiMapperExtensions : public IQtiMapperExtensions {
+ public:
+  QtiMapperExtensions();
+  Return<void> getMapSecureBufferFlag(void *buffer, getMapSecureBufferFlag_cb _hidl_cb) override;
+  Return<void> getInterlacedFlag(void *buffer, getInterlacedFlag_cb _hidl_cb) override;
+  Return<void> getCustomDimensions(void *buffer, getCustomDimensions_cb _hidl_cb) override;
+  Return<void> getRgbDataAddress(void *buffer, getRgbDataAddress_cb _hidl_cb) override;
+  Return<void> calculateBufferAttributes(int32_t width, int32_t height, int32_t format,
+                                         uint64_t usage,
+                                         calculateBufferAttributes_cb _hidl_cb) override;
+  Return<void> getCustomFormatFlags(int32_t format, uint64_t usage,
+                                    getCustomFormatFlags_cb _hidl_cb) override;
+  Return<void> getColorSpace(void *buffer, getColorSpace_cb _hidl_cb) override;
+  Return<void> getYuvPlaneInfo(void *buffer, getYuvPlaneInfo_cb _hidl_cb) override;
+  Return<Error> setSingleBufferMode(void *buffer, bool enable) override;
+  Return<void> getFd(void *buffer, getFd_cb _hidl_cb) override;
+  Return<void> getWidth(void *buffer, getWidth_cb _hidl_cb) override;
+  Return<void> getHeight(void *buffer, getHeight_cb _hidl_cb) override;
+  Return<void> getOffset(void *buffer, getOffset_cb _hidl_cb) override;
+  Return<void> getSize(void *buffer, getSize_cb _hidl_cb) override;
+  Return<void> getFormat(void *buffer, getFormat_cb _hidl_cb) override;
+  Return<void> getPrivateFlags(void *buffer, getPrivateFlags_cb _hidl_cb) override;
+  Return<void> getUnalignedWidth(void *buffer, getUnalignedWidth_cb _hidl_cb) override;
+  Return<void> getUnalignedHeight(void *buffer, getUnalignedHeight_cb _hidl_cb) override;
+  Return<void> getLayerCount(void *buffer, getLayerCount_cb _hidl_cb) override;
+  Return<void> getId(void *buffer, getId_cb _hidl_cb) override;
+  Return<void> getUsageFlags(void *buffer, getUsageFlags_cb _hidl_cb) override;
+  Return<void> getSurfaceMetadata(void *buffer, getSurfaceMetadata_cb _hidl_cb) override;
+};
+
+}  // namespace implementation
+}  // namespace V1_0
+}  // namespace mapperextensions
+}  // namespace display
+}  // namespace hardware
+}  // namespace qti
+}  // namespace vendor
+
+#endif  // __QTIMAPPEREXTENSIONS_H__