mirror of
https://gitlab.kitware.com/vtk/vtk-m
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91 lines
3.1 KiB
C++
91 lines
3.1 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_exec_internal_TaskSingular_h
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#define vtk_m_exec_internal_TaskSingular_h
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#include <vtkm/internal/Invocation.h>
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#include <vtkm/exec/TaskBase.h>
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#include <vtkm/exec/arg/Fetch.h>
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//Todo: rename this header to TaskSingularDetail.h
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#include <vtkm/exec/internal/WorkletInvokeFunctorDetail.h>
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namespace vtkm
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{
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namespace exec
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{
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namespace internal
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{
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// TaskSingular represents an execution pattern for a worklet
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// that is best expressed in terms of single dimension iteration space. Inside
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// this single dimension no order is preferred.
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//
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//
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template <typename WorkletType, typename InvocationType>
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class TaskSingular : public vtkm::exec::TaskBase
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{
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public:
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VTKM_CONT
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TaskSingular(const WorkletType& worklet,
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const InvocationType& invocation,
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const vtkm::Id& globalIndexOffset = 0)
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: Worklet(worklet)
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, Invocation(invocation)
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, GlobalIndexOffset(globalIndexOffset)
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{
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}
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VTKM_CONT
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void SetErrorMessageBuffer(const vtkm::exec::internal::ErrorMessageBuffer& buffer)
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{
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this->Worklet.SetErrorMessageBuffer(buffer);
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}
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VTKM_SUPPRESS_EXEC_WARNINGS
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template <typename T>
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VTKM_EXEC void operator()(T index) const
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{
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//Todo: rename this function to DoTaskSingular
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detail::DoWorkletInvokeFunctor(this->Worklet,
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this->Invocation,
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this->Worklet.GetThreadIndices(index,
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this->Invocation.OutputToInputMap,
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this->Invocation.VisitArray,
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this->Invocation.GetInputDomain(),
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GlobalIndexOffset));
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}
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private:
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typename std::remove_const<WorkletType>::type Worklet;
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// This is held by by value so that when we transfer the invocation object
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// over to CUDA it gets properly copied to the device. While we want to
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// hold by reference to reduce the number of copies, it is not possible
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// currently.
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const InvocationType Invocation;
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const vtkm::Id GlobalIndexOffset;
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};
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}
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}
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} // vtkm::exec::internal
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#endif //vtk_m_exec_internal_TaskSingular_h
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