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diff --git a/src/Runtime/Source/system/Qt3DSTimer.cpp b/src/Runtime/Source/system/Qt3DSTimer.cpp
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+++ b/src/Runtime/Source/system/Qt3DSTimer.cpp
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+/****************************************************************************
+**
+** Copyright (C) 1993-2009 NVIDIA Corporation.
+** Copyright (C) 2017 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of Qt 3D Studio.
+**
+** $QT_BEGIN_LICENSE:GPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 or (at your option) any later version
+** approved by the KDE Free Qt Foundation. The licenses are as published by
+** the Free Software Foundation and appearing in the file LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "SystemPrefix.h"
+
+//==============================================================================
+//	Includes
+//==============================================================================
+#include "Qt3DSTimer.h"
+
+//==============================================================================
+//	Namespace
+//==============================================================================
+namespace Q3DStudio {
+
+//==============================================================================
+/**
+ *	Constructor
+ */
+CTimer::CTimer(ITimeProvider &inProvider)
+    : m_TimeProvider(inProvider)
+    , m_IsRunning(false)
+{
+    Start();
+}
+
+//==============================================================================
+/**
+ *	Start the timer
+ */
+void CTimer::Start()
+{
+    if (!m_IsRunning)
+        m_StartTime = m_TimeProvider.GetCurrentTimeMicroSeconds();
+    m_IsRunning = true;
+}
+
+//==============================================================================
+/**
+ *	Stop the timer
+ */
+void CTimer::Stop()
+{
+    if (m_IsRunning)
+        m_StartTime = m_TimeProvider.GetCurrentTimeMicroSeconds() - m_StartTime;
+
+    m_IsRunning = false;
+}
+
+//==============================================================================
+/**
+ *	Reset the timer
+ */
+void CTimer::Reset()
+{
+    if (m_IsRunning)
+        m_StartTime = m_TimeProvider.GetCurrentTimeMicroSeconds();
+    else
+        m_StartTime = 0;
+}
+
+//==============================================================================
+/**
+ *  Gets the current time in milliseconds.
+ *	@return the current time since timer was started(in miliseconds),
+ *	or time when it was stopped
+ */
+TTimeUnit CTimer::GetTimeMilliSecs()
+{
+    return GetTimeMicroSecs() / 1000;
+}
+
+//=============================================================================
+/**
+ *	Get the number of usecs elapsed since start was called.
+ *	If the timer is running then this will return the time from when start was
+ *	called. If the timer is stopped then this will return the amount of time
+ *	between the start and last stop.
+ *	@return returns the elasped micro second.
+ */
+TMicroSeconds CTimer::GetTimeMicroSecs()
+{
+    if (m_IsRunning)
+        return m_TimeProvider.GetCurrentTimeMicroSeconds() - m_StartTime;
+    else
+        return m_StartTime;
+}
+
+} // namespace Q3DStudio