76 lines
2.0 KiB
C++
76 lines
2.0 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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//
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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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#ifndef vtk_m_cont_PointLocator_h
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#define vtk_m_cont_PointLocator_h
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#include <vtkm/cont/CoordinateSystem.h>
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#include <vtkm/cont/ExecutionObjectBase.h>
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#include <vtkm/cont/VirtualObjectHandle.h>
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#include <vtkm/exec/PointLocator.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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class PointLocator : public vtkm::cont::ExecutionObjectBase
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{
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public:
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PointLocator()
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: Modified(true)
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{
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}
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vtkm::cont::CoordinateSystem GetCoordinates() const { return this->Coords; }
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void SetCoordinates(const vtkm::cont::CoordinateSystem& coords)
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{
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this->Coords = coords;
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this->SetModified();
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}
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void Update()
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{
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if (this->Modified)
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{
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Build();
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this->Modified = false;
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}
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}
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VTKM_CONT const vtkm::exec::PointLocator* PrepareForExecution(
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vtkm::cont::DeviceAdapterId device) const
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{
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this->PrepareExecutionObject(this->ExecutionObjectHandle, device);
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return this->ExecutionObjectHandle.PrepareForExecution(device);
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}
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protected:
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void SetModified() { this->Modified = true; }
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bool GetModified() const { return this->Modified; }
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virtual void Build() = 0;
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using ExecutionObjectHandleType = vtkm::cont::VirtualObjectHandle<vtkm::exec::PointLocator>;
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VTKM_CONT virtual void PrepareExecutionObject(ExecutionObjectHandleType& execObjHandle,
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vtkm::cont::DeviceAdapterId deviceId) const = 0;
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private:
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vtkm::cont::CoordinateSystem Coords;
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bool Modified;
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mutable ExecutionObjectHandleType ExecutionObjectHandle;
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};
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}
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}
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#endif // vtk_m_cont_PointLocator_h
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