cont/CellLocatorUniformBins.h

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//============================================================================
//  The contents of this file are covered by the Viskores license. See
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//
//  By contributing to this file, all contributors agree to the Developer
//  Certificate of Origin Version 1.1 (DCO 1.1) as stated in DCO.txt.
//============================================================================
 
//============================================================================
//  Copyright (c) Kitware, Inc.
//  All rights reserved.
//  See LICENSE.txt for details.
//
//  This software is distributed WITHOUT ANY WARRANTY; without even
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//  PURPOSE.  See the above copyright notice for more information.
//============================================================================
#ifndef viskores_cont_CellLocatorUniformBins_h
#define viskores_cont_CellLocatorUniformBins_h
 
#include <viskores/cont/ArrayHandle.h>
#include <viskores/cont/CellSetList.h>
 
#include <viskores/cont/ArrayHandleGroupVecVariable.h>
#include <viskores/cont/CellLocatorBase.h>
 
#include <viskores/exec/CellLocatorMultiplexer.h>
#include <viskores/exec/CellLocatorUniformBins.h>
 
 
namespace viskores
{
namespace cont
{
 
class VISKORES_CONT_EXPORT CellLocatorUniformBins : public viskores::cont::CellLocatorBase
{
  template <typename CellSetCont>
  using CellSetContToExec =
    typename CellSetCont::template ExecConnectivityType<viskores::TopologyElementTagCell,
                                                        viskores::TopologyElementTagPoint>;
 
public:
  using SupportedCellSets = VISKORES_DEFAULT_CELL_SET_LIST;
 
  using CellExecObjectList = viskores::ListTransform<SupportedCellSets, CellSetContToExec>;
  using CellLocatorExecList =
    viskores::ListTransform<CellExecObjectList, viskores::exec::CellLocatorUniformBins>;
 
  using ExecObjType =
    viskores::ListApply<CellLocatorExecList, viskores::exec::CellLocatorMultiplexer>;
  using LastCell = typename ExecObjType::LastCell;
 
  CellLocatorUniformBins() = default;
 
  VISKORES_CONT void SetDims(const viskores::Id3& dims) { this->UniformDims = dims; }
  VISKORES_CONT viskores::Id3 GetDims() const { return this->UniformDims; }
 
  void PrintSummary(std::ostream& out) const;
 
public:
  ExecObjType PrepareForExecution(viskores::cont::DeviceAdapterId device,
                                  viskores::cont::Token& token) const;
 
private:
  VISKORES_CONT void Build() override;
 
  viskores::Vec3f InvSpacing;
  viskores::Vec3f MaxPoint;
  viskores::Vec3f Origin;
  viskores::Id3 UniformDims;
  viskores::Id3 MaxCellIds;
 
  using CellIdArrayType = viskores::cont::ArrayHandle<viskores::Id>;
  using CellIdOffsetArrayType = viskores::cont::ArrayHandle<viskores::Id>;
 
  viskores::cont::ArrayHandleGroupVecVariable<CellIdArrayType, CellIdOffsetArrayType> CellIds;
 
  struct MakeExecObject;
};
 
}
} // viskores::cont
 
#endif // viskores_cont_CellLocatorUniformBins_h