mirror of
https://gitlab.kitware.com/vtk/vtk-m
synced 2024-09-20 02:55:47 +00:00
ce80383238
VTK-m is now able to run algorithms on structured points that require the local point neighbors in a highly efficient manner.
367 lines
13 KiB
C++
367 lines
13 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_worklet_internal_WorkletBase_h
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#define vtk_m_worklet_internal_WorkletBase_h
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#include <vtkm/TopologyElementTag.h>
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#include <vtkm/TypeListTag.h>
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#include <vtkm/exec/FunctorBase.h>
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#include <vtkm/exec/arg/BasicArg.h>
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#include <vtkm/exec/arg/FetchTagExecObject.h>
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#include <vtkm/exec/arg/FetchTagWholeCellSetIn.h>
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#include <vtkm/exec/arg/InputIndex.h>
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#include <vtkm/exec/arg/OutputIndex.h>
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#include <vtkm/exec/arg/ThreadIndices.h>
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#include <vtkm/exec/arg/ThreadIndicesBasic.h>
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#include <vtkm/exec/arg/VisitIndex.h>
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#include <vtkm/exec/arg/WorkIndex.h>
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#include <vtkm/cont/arg/ControlSignatureTagBase.h>
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#include <vtkm/cont/arg/TransportTagAtomicArray.h>
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#include <vtkm/cont/arg/TransportTagCellSetIn.h>
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#include <vtkm/cont/arg/TransportTagExecObject.h>
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#include <vtkm/cont/arg/TransportTagWholeArrayIn.h>
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#include <vtkm/cont/arg/TransportTagWholeArrayInOut.h>
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#include <vtkm/cont/arg/TransportTagWholeArrayOut.h>
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#include <vtkm/cont/arg/TypeCheckTagArray.h>
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#include <vtkm/cont/arg/TypeCheckTagAtomicArray.h>
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#include <vtkm/cont/arg/TypeCheckTagCellSet.h>
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#include <vtkm/cont/arg/TypeCheckTagExecObject.h>
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#include <vtkm/worklet/ScatterIdentity.h>
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namespace vtkm
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{
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namespace placeholders
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{
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template <int ControlSignatureIndex>
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struct Arg : vtkm::exec::arg::BasicArg<ControlSignatureIndex>
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{
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};
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/// Basic execution argument tags
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struct _1 : Arg<1>
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{
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};
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struct _2 : Arg<2>
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{
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};
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struct _3 : Arg<3>
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{
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};
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struct _4 : Arg<4>
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{
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};
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struct _5 : Arg<5>
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{
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};
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struct _6 : Arg<6>
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{
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};
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struct _7 : Arg<7>
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{
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};
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struct _8 : Arg<8>
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{
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};
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struct _9 : Arg<9>
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{
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};
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}
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namespace worklet
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{
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namespace internal
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{
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/// Base class for all worklet classes. Worklet classes are subclasses and a
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/// operator() const is added to implement an algorithm in VTK-m. Different
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/// worklets have different calling semantics.
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///
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class WorkletBase : public vtkm::exec::FunctorBase
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{
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public:
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typedef vtkm::placeholders::_1 _1;
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typedef vtkm::placeholders::_2 _2;
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typedef vtkm::placeholders::_3 _3;
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typedef vtkm::placeholders::_4 _4;
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typedef vtkm::placeholders::_5 _5;
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typedef vtkm::placeholders::_6 _6;
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typedef vtkm::placeholders::_7 _7;
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typedef vtkm::placeholders::_8 _8;
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typedef vtkm::placeholders::_9 _9;
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/// \c ExecutionSignature tag for getting the work index.
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///
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typedef vtkm::exec::arg::WorkIndex WorkIndex;
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/// \c ExecutionSignature tag for getting the input index.
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///
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typedef vtkm::exec::arg::InputIndex InputIndex;
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/// \c ExecutionSignature tag for getting the output index.
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///
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typedef vtkm::exec::arg::OutputIndex OutputIndex;
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/// \c ExecutionSignature tag for getting the thread indices.
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///
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typedef vtkm::exec::arg::ThreadIndices ThreadIndices;
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/// \c ExecutionSignature tag for getting the visit index.
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///
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typedef vtkm::exec::arg::VisitIndex VisitIndex;
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/// \c ControlSignature tag for execution object inputs.
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struct ExecObject : vtkm::cont::arg::ControlSignatureTagBase
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{
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typedef vtkm::cont::arg::TypeCheckTagExecObject TypeCheckTag;
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typedef vtkm::cont::arg::TransportTagExecObject TransportTag;
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typedef vtkm::exec::arg::FetchTagExecObject FetchTag;
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};
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/// Default input domain is the first argument. Worklet subclasses can
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/// override this by redefining this type.
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typedef _1 InputDomain;
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/// All worklets must define their scatter operation. The scatter defines
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/// what output each input contributes to. The default scatter is the
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/// identity scatter (1-to-1 input to output).
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typedef vtkm::worklet::ScatterIdentity ScatterType;
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/// In addition to defining the scatter type, the worklet must produce the
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/// scatter. The default ScatterIdentity has no state, so just return an
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/// instance.
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VTKM_CONT
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ScatterType GetScatter() const { return ScatterType(); }
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/// \brief A type list containing the type vtkm::Id.
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///
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/// This is a convenience type to use as template arguments to \c
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/// ControlSignature tags to specify the types of worklet arguments.
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typedef vtkm::TypeListTagId IdType;
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/// \brief A type list containing the type vtkm::Id2.
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///
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/// This is a convenience type to use as template arguments to \c
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/// ControlSignature tags to specify the types of worklet arguments.
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typedef vtkm::TypeListTagId2 Id2Type;
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/// \brief A type list containing the type vtkm::Id3.
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///
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/// This is a convenience type to use as template arguments to \c
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/// ControlSignature tags to specify the types of worklet arguments.
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typedef vtkm::TypeListTagId3 Id3Type;
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/// \brief A type list containing the type vtkm::IdComponent.
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///
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/// This is a convenience type to use as template arguments to \c
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/// ControlSignature tags to specify the types of worklet arguments.
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typedef vtkm::TypeListTagIdComponent IdComponentType;
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/// \brief A list of types commonly used for indexing.
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///
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/// This is a convenience type to use as template arguments to \c
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/// ControlSignature tags to specify the types of worklet arguments.
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typedef vtkm::TypeListTagIndex Index;
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/// \brief A list of types commonly used for scalar fields.
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///
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/// This is a convenience type to use as template arguments to \c
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/// ControlSignature tags to specify the types of worklet arguments.
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typedef vtkm::TypeListTagFieldScalar Scalar;
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/// \brief A list of all basic types used for scalar fields.
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///
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/// This is a convenience type to use as template arguments to \c
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/// ControlSignature tags to specify the types of worklet arguments.
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typedef vtkm::TypeListTagScalarAll ScalarAll;
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/// \brief A list of types commonly used for vector fields of 2 components.
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///
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/// This is a convenience type to use as template arguments to \c
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/// ControlSignature tags to specify the types of worklet arguments.
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typedef vtkm::TypeListTagFieldVec2 Vec2;
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/// \brief A list of types commonly used for vector fields of 3 components.
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///
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/// This is a convenience type to use as template arguments to \c
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/// ControlSignature tags to specify the types of worklet arguments.
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typedef vtkm::TypeListTagFieldVec3 Vec3;
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/// \brief A list of types commonly used for vector fields of 4 components.
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///
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/// This is a convenience type to use as template arguments to \c
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/// ControlSignature tags to specify the types of worklet arguments.
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typedef vtkm::TypeListTagFieldVec4 Vec4;
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/// \brief A list of all basic types used for vector fields.
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///
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/// This is a convenience type to use as template arguments to \c
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/// ControlSignature tags to specify the types of worklet arguments.
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typedef vtkm::TypeListTagVecAll VecAll;
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/// \brief A list of types (scalar and vector) commonly used in fields.
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///
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/// This is a convenience type to use as template arguments to \c
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/// ControlSignature tags to specify the types of worklet arguments.
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typedef vtkm::TypeListTagField FieldCommon;
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/// \brief A list of vector types commonly used in fields.
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///
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/// This is a convenience type to use as template arguments to \c
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/// ControlSignature tags to specify the types of worklet arguments.
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typedef vtkm::TypeListTagVecCommon VecCommon;
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/// \brief A list of generally common types.
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///
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/// This is a convenience type to use as template arguments to \c
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/// ControlSignature tags to specify the types of worklet arguments.
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typedef vtkm::TypeListTagCommon CommonTypes;
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/// \brief A list of all basic types.
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///
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/// This is a convenience type to use as template arguments to \c
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/// ControlSignature tags to specify the types of worklet arguments.
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typedef vtkm::TypeListTagAll AllTypes;
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/// \c ControlSignature tag for whole input arrays.
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///
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/// The \c WholeArrayIn control signature tag specifies an \c ArrayHandle
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/// passed to the \c Invoke operation of the dispatcher. This is converted
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/// to an \c ArrayPortal object and passed to the appropriate worklet
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/// operator argument with one of the default args.
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///
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/// The template operator specifies all the potential value types of the
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/// array. The default value type is all types.
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///
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template <typename TypeList = AllTypes>
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struct WholeArrayIn : vtkm::cont::arg::ControlSignatureTagBase
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{
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typedef vtkm::cont::arg::TypeCheckTagArray<TypeList> TypeCheckTag;
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typedef vtkm::cont::arg::TransportTagWholeArrayIn TransportTag;
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typedef vtkm::exec::arg::FetchTagExecObject FetchTag;
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};
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/// \c ControlSignature tag for whole output arrays.
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///
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/// The \c WholeArrayOut control signature tag specifies an \c ArrayHandle
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/// passed to the \c Invoke operation of the dispatcher. This is converted to
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/// an \c ArrayPortal object and passed to the appropriate worklet operator
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/// argument with one of the default args. Care should be taken to not write
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/// a value in one instance that will be overridden by another entry.
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///
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/// The template operator specifies all the potential value types of the
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/// array. The default value type is all types.
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///
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template <typename TypeList = AllTypes>
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struct WholeArrayOut : vtkm::cont::arg::ControlSignatureTagBase
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{
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typedef vtkm::cont::arg::TypeCheckTagArray<TypeList> TypeCheckTag;
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typedef vtkm::cont::arg::TransportTagWholeArrayOut TransportTag;
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typedef vtkm::exec::arg::FetchTagExecObject FetchTag;
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};
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/// \c ControlSignature tag for whole input/output arrays.
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///
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/// The \c WholeArrayOut control signature tag specifies an \c ArrayHandle
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/// passed to the \c Invoke operation of the dispatcher. This is converted to
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/// an \c ArrayPortal object and passed to the appropriate worklet operator
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/// argument with one of the default args. Care should be taken to not write
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/// a value in one instance that will be read by or overridden by another
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/// entry.
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///
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/// The template operator specifies all the potential value types of the
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/// array. The default value type is all types.
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///
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template <typename TypeList = AllTypes>
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struct WholeArrayInOut : vtkm::cont::arg::ControlSignatureTagBase
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{
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typedef vtkm::cont::arg::TypeCheckTagArray<TypeList> TypeCheckTag;
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typedef vtkm::cont::arg::TransportTagWholeArrayInOut TransportTag;
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typedef vtkm::exec::arg::FetchTagExecObject FetchTag;
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};
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/// \c ControlSignature tag for whole input/output arrays.
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///
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/// The \c AtomicArrayInOut control signature tag specifies an \c ArrayHandle
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/// passed to the \c Invoke operation of the dispatcher. This is converted to
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/// a \c vtkm::exec::AtomicArray object and passed to the appropriate worklet
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/// operator argument with one of the default args. The provided atomic
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/// operations can be used to resolve concurrency hazards, but have the
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/// potential to slow the program quite a bit.
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///
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/// The template operator specifies all the potential value types of the
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/// array. The default value type is all types.
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///
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template <typename TypeList = AllTypes>
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struct AtomicArrayInOut : vtkm::cont::arg::ControlSignatureTagBase
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{
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typedef vtkm::cont::arg::TypeCheckTagAtomicArray<TypeList> TypeCheckTag;
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typedef vtkm::cont::arg::TransportTagAtomicArray TransportTag;
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typedef vtkm::exec::arg::FetchTagExecObject FetchTag;
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};
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/// \c ControlSignature tag for whole input topology.
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///
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/// The \c WholeCellSetIn control signature tag specifies an \c CellSet
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/// passed to the \c Invoke operation of the dispatcher. This is converted to
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/// a \c vtkm::exec::Connectivity* object and passed to the appropriate worklet
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/// operator argument with one of the default args. This can be used to
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/// global lookup for arbitrary topology information
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using Cell = vtkm::TopologyElementTagCell;
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using Point = vtkm::TopologyElementTagPoint;
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template <typename FromType = Point, typename ToType = Cell>
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struct WholeCellSetIn : vtkm::cont::arg::ControlSignatureTagBase
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{
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typedef vtkm::cont::arg::TypeCheckTagCellSet TypeCheckTag;
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typedef vtkm::cont::arg::TransportTagCellSetIn<FromType, ToType> TransportTag;
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typedef vtkm::exec::arg::FetchTagWholeCellSetIn FetchTag;
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};
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/// \brief Creates a \c ThreadIndices object.
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///
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/// Worklet types can add additional indices by returning different object
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/// types.
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///
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VTKM_SUPPRESS_EXEC_WARNINGS
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template <typename T,
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typename OutToInArrayType,
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typename VisitArrayType,
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typename InputDomainType>
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VTKM_EXEC vtkm::exec::arg::ThreadIndicesBasic GetThreadIndices(
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const T& threadIndex,
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const OutToInArrayType& outToIn,
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const VisitArrayType& visit,
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const InputDomainType&,
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const T& globalThreadIndexOffset = 0) const
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{
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return vtkm::exec::arg::ThreadIndicesBasic(
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threadIndex, outToIn.Get(threadIndex), visit.Get(threadIndex), globalThreadIndexOffset);
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}
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};
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}
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}
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} // namespace vtkm::worklet::internal
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#endif //vtk_m_worklet_internal_WorkletBase_h
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