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66 lines
2.3 KiB
C
66 lines
2.3 KiB
C
3 weeks ago
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/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkPipelineSize.h
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Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
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All rights reserved.
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See Copyright.txt or http://www.kitware.com/Copyright.htm 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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/**
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* @class vtkPipelineSize
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* @brief compute the memory required by a pipeline
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*/
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#ifndef vtkPipelineSize_h
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#define vtkPipelineSize_h
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#include "vtkFiltersParallelModule.h" // For export macro
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#include "vtkObject.h"
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class vtkAlgorithm;
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class VTKFILTERSPARALLEL_EXPORT vtkPipelineSize : public vtkObject
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{
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public:
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static vtkPipelineSize* New();
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vtkTypeMacro(vtkPipelineSize, vtkObject);
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void PrintSelf(ostream& os, vtkIndent indent) override;
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/**
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* Compute an estimate of how much memory a pipline will require in
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* kibibytes (1024 bytes) This is only an estimate and the
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* calculations in here do not take into account the specifics of many
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* sources and filters.
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*/
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unsigned long GetEstimatedSize(vtkAlgorithm* input, int inputPort, int connection);
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/**
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* Determine how many subpieces a mapper should use to fit a target memory
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* limit. The piece and numPieces can be queried from the mapper using
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* `vtkPolyDataMapper::GetPiece` and
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* `vtkPolyDataMapper::GetNumberOfSubPieces`.
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*/
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unsigned long GetNumberOfSubPieces(
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unsigned long memoryLimit, vtkAlgorithm* mapper, int piece, int numPieces);
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protected:
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vtkPipelineSize() {}
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void GenericComputeSourcePipelineSize(vtkAlgorithm* src, int outputPort, unsigned long size[3]);
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void ComputeSourcePipelineSize(vtkAlgorithm* src, int outputPort, unsigned long size[3]);
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void ComputeOutputMemorySize(
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vtkAlgorithm* src, int outputPort, unsigned long* inputSize, unsigned long size[2]);
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void GenericComputeOutputMemorySize(
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vtkAlgorithm* src, int outputPort, unsigned long* inputSize, unsigned long size[2]);
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private:
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vtkPipelineSize(const vtkPipelineSize&) = delete;
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void operator=(const vtkPipelineSize&) = delete;
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};
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#endif
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