text: /*
   *  Copyright 2019-2021 Diligent Graphics LLC
   *  Copyright 2015-2019 Egor Yusov
   *  
   *  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.
   *
   *  In no event and under no legal theory, whether in tort (including negligence), 
   *  contract, or otherwise, unless required by applicable law (such as deliberate 
   *  and grossly negligent acts) or agreed to in writing, shall any Contributor be
   *  liable for any damages, including any direct, indirect, special, incidental, 
   *  or consequential damages of any character arising as a result of this License or 
   *  out of the use or inability to use the software (including but not limited to damages 
   *  for loss of goodwill, work stoppage, computer failure or malfunction, or any and 
   *  all other commercial damages or losses), even if such Contributor has been advised 
   *  of the possibility of such damages.
   */
  
  #include "pch.h"
  #include "Timer.hpp"
  
  using namespace std::chrono;
  namespace Diligent
  {
  
  Timer::Timer()
  {
      Restart();
  }
  
  void Timer::Restart()
  {
      m_StartTime = high_resolution_clock().now();
  }
  
  template <typename T>
  T GetElapsedTime(high_resolution_clock::time_point StartTime)
  {
      auto CurrTime  = high_resolution_clock::now();
      auto time_span = duration_cast<duration<T>>(CurrTime - StartTime);
      return time_span.count();
  }
  
  double Timer::GetElapsedTime() const
  {
      return Diligent::GetElapsedTime<double>(m_StartTime);
  }
  
  float Timer::GetElapsedTimef() const
  {
  
      return Diligent::GetElapsedTime<float>(m_StartTime);
  }
  
  } // namespace Diligent
  