vtk-m/vtkm/cont/arg/TransportTagExecObject.h
2019-04-17 10:57:13 -06:00

57 lines
1.8 KiB
C++

//============================================================================
// 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_arg_TransportTagExecObject_h
#define vtk_m_cont_arg_TransportTagExecObject_h
#include <vtkm/Types.h>
#include <vtkm/cont/arg/Transport.h>
#include <vtkm/cont/ExecutionObjectBase.h>
namespace vtkm
{
namespace cont
{
namespace arg
{
/// \brief \c Transport tag for execution objects.
///
/// \c TransportTagExecObject is a tag used with the \c Transport class to
/// transport objects that work directly in the execution environment.
///
struct TransportTagExecObject
{
};
template <typename ContObjectType, typename Device>
struct Transport<vtkm::cont::arg::TransportTagExecObject, ContObjectType, Device>
{
// If you get a compile error here, it means you tried to use an object that is not an execution
// object as an argument that is expected to be one. All execution objects are expected to
// inherit from vtkm::cont::ExecutionObjectBase and have a PrepareForExecution method.
VTKM_IS_EXECUTION_OBJECT(ContObjectType);
using ExecObjectType = decltype(std::declval<ContObjectType>().PrepareForExecution(Device()));
template <typename InputDomainType>
VTKM_CONT ExecObjectType
operator()(ContObjectType& object, const InputDomainType&, vtkm::Id, vtkm::Id) const
{
return object.PrepareForExecution(Device());
}
};
}
}
} // namespace vtkm::cont::arg
#endif //vtk_m_cont_arg_TransportTagExecObject_h