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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
/**
* @class vtkConduitArrayUtilitiesDevice
* @brief helper to convert Conduit arrays stored on acceleration devices to Viskores arrays.
* @ingroup Insitu
*
* vtkConduitArrayUtilitiesDevice is intended to convert Conduit nodes satisfying the
* `mcarray` protocol, with memory allocated on acceleration devices, to Viskores arrays. It uses
* zero-copy, when possible otherwise it uses deep copy.
*
* This is primarily designed for use by vtkConduitSource.
*/
#ifndef vtkConduitArrayUtilitiesDevice_h
#define vtkConduitArrayUtilitiesDevice_h
#include "vtkIOCatalystConduitModule.h" // for exports
#include "vtkObject.h"
#include "vtkSmartPointer.h" // for vtkSmartPointer
#include "conduit.h" // for conduit_node
#include "viskores/cont/DeviceAdapterTag.h" // for viskores::cont::DeviceAdapterId
#include <string> // for std::string
VTK_ABI_NAMESPACE_BEGIN
class vtkCellArray;
class vtkDataArray;
class VTKIOCATALYSTCONDUIT_EXPORT vtkConduitArrayUtilitiesDevice : public vtkObject
{
public:
static vtkConduitArrayUtilitiesDevice* New();
vtkTypeMacro(vtkConduitArrayUtilitiesDevice, vtkObject);
void PrintSelf(ostream& os, vtkIndent indent) override;
static vtkSmartPointer<vtkDataArray> MCArrayToVTKmAOSArray(const conduit_node* mcarray,
bool force_signed, const viskores::cont::DeviceAdapterId& deviceAdapterId);
static vtkSmartPointer<vtkDataArray> MCArrayToVTKmSOAArray(const conduit_node* mcarray,
bool force_signed, const viskores::cont::DeviceAdapterId& deviceAdapterId);
static bool IfVTKmConvertVTKMonoShapedCellArray(vtkIdType numberOfPoints, int cellType,
vtkIdType cellSize, vtkDataArray* connectivity, vtkCellArray* cellArray);
static bool IfVTKmConvertVTKMixedCellArray(vtkIdType numberOfPoints, vtkDataArray* offsets,
vtkDataArray* shapes, vtkDataArray* elements, vtkCellArray* cellArray);
static bool CanRunOn(const viskores::cont::DeviceAdapterId& deviceAdapterId);
protected:
vtkConduitArrayUtilitiesDevice();
~vtkConduitArrayUtilitiesDevice() override;
private:
vtkConduitArrayUtilitiesDevice(const vtkConduitArrayUtilitiesDevice&) = delete;
void operator=(const vtkConduitArrayUtilitiesDevice&) = delete;
};
VTK_ABI_NAMESPACE_END
#endif
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