AtomicArray.h

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//============================================================================
//  Copyright (c) Kitware, Inc.
//  All rights reserved.
//  See LICENSE.txt for details.
//
//  This software is distributed WITHOUT ANY WARRANTY; without even
//  the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
//  PURPOSE.  See the above copyright notice for more information.
//============================================================================
#ifndef vtk_m_cont_AtomicArray_h
#define vtk_m_cont_AtomicArray_h
 
#include <vtkm/List.h>
#include <vtkm/StaticAssert.h>
#include <vtkm/cont/ArrayHandle.h>
#include <vtkm/cont/DeviceAdapter.h>
#include <vtkm/cont/ExecutionObjectBase.h>
#include <vtkm/exec/AtomicArrayExecutionObject.h>
 
namespace vtkm
{
namespace cont
{
 
using AtomicArrayTypeList =
  vtkm::List<vtkm::UInt32, vtkm::Int32, vtkm::UInt64, vtkm::Int64, vtkm::Float32, vtkm::Float64>;
 
 
template <typename T>
class AtomicArray : public vtkm::cont::ExecutionObjectBase
{
  static constexpr bool ValueTypeIsValid = vtkm::ListHas<AtomicArrayTypeList, T>::value;
  VTKM_STATIC_ASSERT_MSG(ValueTypeIsValid, "AtomicArray used with unsupported ValueType.");
 
 
public:
  using ValueType = T;
 
  VTKM_CONT
  AtomicArray()
    : Handle(vtkm::cont::ArrayHandle<T>())
  {
  }
 
  VTKM_CONT AtomicArray(vtkm::cont::ArrayHandle<T> handle)
    : Handle(handle)
  {
  }
 
  VTKM_CONT vtkm::exec::AtomicArrayExecutionObject<T> PrepareForExecution(
    vtkm::cont::DeviceAdapterId device,
    vtkm::cont::Token& token) const
  {
    return vtkm::exec::AtomicArrayExecutionObject<T>(this->Handle, device, token);
  }
 
private:
  vtkm::cont::ArrayHandle<T> Handle;
};
}
} // namespace vtkm::exec
 
#endif //vtk_m_cont_AtomicArray_h