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/*=========================================================================
Program: Visualization Toolkit
Module: vtkCompositer.h
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
/**
* @class vtkCompositer
* @brief Super class for composite algorthms.
*
*
* vtkCompositer operates in multiple processes. Each compositer has
* a render window. They use vtkMultiProcessControllers to communicate
* the color and depth buffer to process 0's render window.
* It will not handle transparency well.
*
* @sa
* vtkCompositeManager.
*/
#ifndef vtkCompositer_h
#define vtkCompositer_h
#include "vtkObject.h"
#include "vtkRenderingParallelModule.h" // For export macro
class vtkMultiProcessController;
class vtkCompositer;
class vtkDataArray;
class vtkFloatArray;
class vtkUnsignedCharArray;
class VTKRENDERINGPARALLEL_EXPORT vtkCompositer : public vtkObject
{
public:
static vtkCompositer* New();
vtkTypeMacro(vtkCompositer, vtkObject);
void PrintSelf(ostream& os, vtkIndent indent) override;
/**
* This method gets called on every process. The final image gets
* put into pBuf and zBuf.
*/
virtual void CompositeBuffer(
vtkDataArray* pBuf, vtkFloatArray* zBuf, vtkDataArray* pTmp, vtkFloatArray* zTmp);
//@{
/**
* Access to the controller.
*/
virtual void SetController(vtkMultiProcessController*);
vtkGetObjectMacro(Controller, vtkMultiProcessController);
//@}
//@{
/**
* A hack to get a sub world until I can get communicators working.
*/
vtkSetMacro(NumberOfProcesses, int);
vtkGetMacro(NumberOfProcesses, int);
//@}
//@{
/**
* Methods that allocate and delete memory with special MPIPro calls.
*/
static void DeleteArray(vtkDataArray* da);
static void ResizeFloatArray(vtkFloatArray* fa, int numComp, vtkIdType size);
static void ResizeUnsignedCharArray(vtkUnsignedCharArray* uca, int numComp, vtkIdType size);
//@}
protected:
vtkCompositer();
~vtkCompositer() override;
vtkMultiProcessController* Controller;
int NumberOfProcesses;
private:
vtkCompositer(const vtkCompositer&) = delete;
void operator=(const vtkCompositer&) = delete;
};
#endif
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