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

59 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_TransportTagArrayOut_h
#define vtk_m_cont_arg_TransportTagArrayOut_h
#include <vtkm/Types.h>
#include <vtkm/cont/ArrayHandle.h>
#include <vtkm/cont/arg/Transport.h>
namespace vtkm
{
namespace cont
{
namespace arg
{
/// \brief \c Transport tag for output arrays.
///
/// \c TransportTagArrayOut is a tag used with the \c Transport class to
/// transport \c ArrayHandle objects for output data.
///
struct TransportTagArrayOut
{
};
template <typename ContObjectType, typename Device>
struct Transport<vtkm::cont::arg::TransportTagArrayOut, ContObjectType, Device>
{
// If you get a compile error here, it means you tried to use an object that
// is not an array handle as an argument that is expected to be one.
VTKM_IS_ARRAY_HANDLE(ContObjectType);
using ExecObjectType =
decltype(std::declval<ContObjectType>().PrepareForOutput(vtkm::Id{}, Device()));
template <typename InputDomainType>
VTKM_CONT ExecObjectType operator()(ContObjectType& object,
const InputDomainType& vtkmNotUsed(inputDomain),
vtkm::Id vtkmNotUsed(inputRange),
vtkm::Id outputRange) const
{
return object.PrepareForOutput(outputRange, Device());
}
};
}
}
} // namespace vtkm::cont::arg
#endif //vtk_m_cont_arg_TransportTagArrayOut_h