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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
/**
* @class vtkDuplicatePolyData
* @brief For distributed tiled displays.
*
* This filter collects poly data and duplicates it on every node.
* Converts data parallel so every node has a complete copy of the data.
* The filter is used at the end of a pipeline for driving a tiled
* display.
*/
#ifndef vtkDuplicatePolyData_h
#define vtkDuplicatePolyData_h
#include "vtkFiltersParallelModule.h" // For export macro
#include "vtkPolyDataAlgorithm.h"
VTK_ABI_NAMESPACE_BEGIN
class vtkSocketController;
class vtkMultiProcessController;
class VTKFILTERSPARALLEL_EXPORT vtkDuplicatePolyData : public vtkPolyDataAlgorithm
{
public:
static vtkDuplicatePolyData* New();
vtkTypeMacro(vtkDuplicatePolyData, vtkPolyDataAlgorithm);
void PrintSelf(ostream& os, vtkIndent indent) override;
///@{
/**
* By default this filter uses the global controller,
* but this method can be used to set another instead.
*/
virtual void SetController(vtkMultiProcessController*);
vtkGetObjectMacro(Controller, vtkMultiProcessController);
///@}
void InitializeSchedule(int numProcs);
///@{
/**
* This flag causes sends and receives to be matched.
* When this flag is off, two sends occur then two receives.
* I want to see if it makes a difference in performance.
* The flag is on by default.
*/
vtkSetMacro(Synchronous, vtkTypeBool);
vtkGetMacro(Synchronous, vtkTypeBool);
vtkBooleanMacro(Synchronous, vtkTypeBool);
///@}
///@{
/**
* This duplicate filter works in client server mode when this
* controller is set. We have a client flag to differentiate the
* client and server because the socket controller is odd:
* Proth processes think their id is 0.
*/
vtkSocketController* GetSocketController() { return this->SocketController; }
void SetSocketController(vtkSocketController* controller);
vtkSetMacro(ClientFlag, int);
vtkGetMacro(ClientFlag, int);
///@}
///@{
/**
* This returns to size of the output (on this process).
* This method is not really used. It is needed to have
* the same API as vtkCollectPolyData.
*/
vtkGetMacro(MemorySize, unsigned long);
///@}
protected:
vtkDuplicatePolyData();
~vtkDuplicatePolyData() override;
// Data generation method
int RequestUpdateExtent(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
int RequestData(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
void ClientExecute(vtkPolyData* output);
vtkMultiProcessController* Controller;
vtkTypeBool Synchronous;
int NumberOfProcesses;
int ScheduleLength;
int** Schedule;
// For client server mode.
vtkSocketController* SocketController;
int ClientFlag;
unsigned long MemorySize;
private:
vtkDuplicatePolyData(const vtkDuplicatePolyData&) = delete;
void operator=(const vtkDuplicatePolyData&) = delete;
};
VTK_ABI_NAMESPACE_END
#endif
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