DeviceAdapterTimerImplementationCuda.h

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//============================================================================
//  The contents of this file are covered by the Viskores license. See
//  LICENSE.txt for details.
//
//  By contributing to this file, all contributors agree to the Developer
//  Certificate of Origin Version 1.1 (DCO 1.1) as stated in DCO.txt.
//============================================================================
 
//============================================================================
//  Copyright (c) Kitware, Inc.
//  All rights reserved.
//  See LICENSE.txt for details.
//
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//  PURPOSE.  See the above copyright notice for more information.
//============================================================================
#ifndef viskores_cont_cuda_internal_DeviceAdapterTimerImplementationCuda_h
#define viskores_cont_cuda_internal_DeviceAdapterTimerImplementationCuda_h
 
#include <viskores/cont/viskores_cont_export.h>
 
#include <viskores/Types.h>
 
#include <viskores/cont/DeviceAdapterAlgorithm.h>
#include <viskores/cont/cuda/internal/DeviceAdapterTagCuda.h>
 
#include <cuda.h>
 
namespace viskores
{
namespace cont
{
 
template <>
class VISKORES_CONT_EXPORT DeviceAdapterTimerImplementation<viskores::cont::DeviceAdapterTagCuda>
{
public:
  VISKORES_CONT DeviceAdapterTimerImplementation();
 
  VISKORES_CONT ~DeviceAdapterTimerImplementation();
 
  VISKORES_CONT void Reset();
 
  VISKORES_CONT void Start();
 
  VISKORES_CONT void Stop();
 
  VISKORES_CONT bool Started() const;
 
  VISKORES_CONT bool Stopped() const;
 
  VISKORES_CONT bool Ready() const;
 
  VISKORES_CONT viskores::Float64 GetElapsedTime() const;
 
private:
  // Copying CUDA events is problematic.
  DeviceAdapterTimerImplementation(
    const DeviceAdapterTimerImplementation<viskores::cont::DeviceAdapterTagCuda>&) = delete;
  void operator=(const DeviceAdapterTimerImplementation<viskores::cont::DeviceAdapterTagCuda>&) =
    delete;
 
  bool StartReady;
  bool StopReady;
  cudaEvent_t StartEvent;
  cudaEvent_t StopEvent;
};
}
} // namespace viskores::cont
 
 
#endif