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This is a subclass of ExecutionObject and a superset of its functionality. In addition to having a PrepareForExecution method, it also has a PrepareForControl method that gets an object appropriate for the control environment. This is helpful for situations where you need code to work in both environments, such as the functor in an ArrayHandleTransform. Also added several runtime checks for execution objects and execution and cotnrol objects.
67 lines
2.2 KiB
C++
67 lines
2.2 KiB
C++
//============================================================================
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// Copyright (c) Kitware, Inc.
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// All rights reserved.
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// See LICENSE.txt for details.
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// This software is distributed WITHOUT ANY WARRANTY; without even
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// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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// PURPOSE. See the above copyright notice for more information.
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//
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// Copyright 2014 National Technology & Engineering Solutions of Sandia, LLC (NTESS).
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// Copyright 2014 UT-Battelle, LLC.
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// Copyright 2014 Los Alamos National Security.
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//
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// Under the terms of Contract DE-NA0003525 with NTESS,
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// the U.S. Government retains certain rights in this software.
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//
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// Under the terms of Contract DE-AC52-06NA25396 with Los Alamos National
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// Laboratory (LANL), the U.S. Government retains certain rights in
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// this software.
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//============================================================================
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#ifndef vtk_m_cont_arg_TransportTagExecObject_h
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#define vtk_m_cont_arg_TransportTagExecObject_h
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#include <vtkm/Types.h>
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#include <vtkm/cont/arg/Transport.h>
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#include <vtkm/cont/ExecutionObjectBase.h>
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namespace vtkm
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{
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namespace cont
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{
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namespace arg
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{
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/// \brief \c Transport tag for execution objects.
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///
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/// \c TransportTagExecObject is a tag used with the \c Transport class to
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/// transport objects that work directly in the execution environment.
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///
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struct TransportTagExecObject
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{
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};
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template <typename ContObjectType, typename Device>
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struct Transport<vtkm::cont::arg::TransportTagExecObject, ContObjectType, Device>
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{
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// If you get a compile error here, it means you tried to use an object that is not an execution
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// object as an argument that is expected to be one. All execution objects are expected to
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// inherit from vtkm::cont::ExecutionObjectBase and have a PrepareForExecution method.
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VTKM_IS_EXECUTION_OBJECT(ContObjectType);
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using ExecObjectType = decltype(std::declval<ContObjectType>().PrepareForExecution(Device()));
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template <typename InputDomainType>
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VTKM_CONT ExecObjectType
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operator()(ContObjectType& object, const InputDomainType&, vtkm::Id, vtkm::Id) const
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{
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return object.PrepareForExecution(Device());
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}
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};
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}
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}
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} // namespace vtkm::cont::arg
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#endif //vtk_m_cont_arg_TransportTagExecObject_h
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