bcda989641
You can use function level statics, but instead you must use class level statics, this is due to how nvcc treats method statics as being shared across all threads in a warp.
103 lines
3.4 KiB
C++
103 lines
3.4 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 Sandia Corporation.
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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-AC04-94AL85000 with Sandia Corporation,
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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_exec_arg_TopologyIdSet_h
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#define vtk_m_exec_arg_TopologyIdSet_h
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#include <vtkm/exec/arg/Fetch.h>
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#include <vtkm/exec/arg/ExecutionSignatureTagBase.h>
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namespace vtkm {
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namespace exec {
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namespace arg {
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/// \brief Aspect tag to use for getting the work index.
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///
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/// The \c AspectTagTopologyIdSet aspect tag causes the \c Fetch class to
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/// obtain node IDs for a cell from a topology object.
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///
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struct AspectTagTopologyIdSet { };
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/// \brief The \c ExecutionSignature tag to use to get the node IDs.
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///
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struct TopologyIdSet : vtkm::exec::arg::ExecutionSignatureTagBase
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{
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static const vtkm::IdComponent INDEX = 1;
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typedef vtkm::exec::arg::AspectTagTopologyIdSet AspectTag;
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};
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template<typename FetchTag, typename Invocation>
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struct Fetch<FetchTag,
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vtkm::exec::arg::AspectTagTopologyIdSet,
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Invocation,
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1>
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{
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static const vtkm::IdComponent InputDomainIndex =
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Invocation::InputDomainIndex;
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typedef typename Invocation::ControlInterface::template
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ParameterType<InputDomainIndex>::type ControlSignatureTag;
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static const vtkm::IdComponent ITEM_TUPLE_LENGTH =
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ControlSignatureTag::ITEM_TUPLE_LENGTH;
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typedef vtkm::Vec<vtkm::Id,ITEM_TUPLE_LENGTH> ValueType;
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VTKM_EXEC_EXPORT
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ValueType Load(vtkm::Id index, const Invocation &invocation) const
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{
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// The parameter for the input domain is stored in the Invocation. (It is
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// also in the worklet, but it is safer to get it from the Invocation
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// in case some other dispatch operation had to modify it.)
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// ParameterInterface (from Invocation) is a FunctionInterface type
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// containing types for all objects passed to the Invoke method (with
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// some dynamic casting performed so objects like DynamicArrayHandle get
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// cast to ArrayHandle).
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typedef typename Invocation::ParameterInterface ParameterInterface;
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// This is the type for the input domain (derived from the last two things
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// we got from the Invocation).
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typedef typename ParameterInterface::
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template ParameterType<InputDomainIndex>::type TopologyType;
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// We can pull the input domain parameter (the data specifying the input
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// domain) from the invocation object.
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TopologyType topology =
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invocation.Parameters.template GetParameter<InputDomainIndex>();
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ValueType v;
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topology.GetIndices(index,v);
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return v;
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}
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VTKM_EXEC_EXPORT
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void Store(vtkm::Id, const Invocation &, const ValueType &) const
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{
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// Store is a no-op.
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}
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};
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}
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}
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} // namespace vtkm::exec::arg
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#endif //vtk_m_exec_arg_TopologyIdSet_h
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