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/*=========================================================================
Program: Visualization Toolkit
Module: vtkGPUInfoList.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 vtkGPUInfoList
* @brief Stores the list of GPUs VRAM information.
*
* vtkGPUInfoList stores a list of vtkGPUInfo. An host can have
* several GPUs. It creates and sets the list by probing the host with system
* calls. This an abstract class. Concrete classes are OS specific.
* @sa
* vtkGPUInfo vtkDirectXGPUInfoList vtkCoreGraphicsGPUInfoList
*/
#ifndef vtkGPUInfoList_h
#define vtkGPUInfoList_h
#include "vtkRenderingCoreModule.h" // For export macro
#include "vtkObject.h"
class vtkGPUInfoListArray; // STL Pimpl
class vtkGPUInfo;
class VTKRENDERINGCORE_EXPORT vtkGPUInfoList : public vtkObject
{
public:
static vtkGPUInfoList *New();
vtkTypeMacro(vtkGPUInfoList, vtkObject);
void PrintSelf(ostream& os, vtkIndent indent);
/**
* Build the list of vtkInfoGPU if not done yet.
* Default implementation created an empty list. Useful if there is no
* implementation available for a given architecture yet.
* \post probed: IsProbed()
*/
virtual void Probe() = 0;
/**
* Tells if the operating system has been probed. Initial value is false.
*/
virtual bool IsProbed();
/**
* Return the number of GPUs.
* \pre probed: IsProbed()
*/
virtual int GetNumberOfGPUs();
/**
* Return information about GPU i.
* \pre probed: IsProbed()
* \pre valid_index: i>=0 && i<GetNumberOfGPUs()
* \post result_exists: result!=0
*/
virtual vtkGPUInfo *GetGPUInfo(int i);
protected:
//@{
/**
* Default constructor. Set Probed to false. Set Array to NULL.
*/
vtkGPUInfoList();
virtual ~vtkGPUInfoList();
//@}
bool Probed;
vtkGPUInfoListArray *Array;
private:
vtkGPUInfoList(const vtkGPUInfoList&) VTK_DELETE_FUNCTION;
void operator=(const vtkGPUInfoList&) VTK_DELETE_FUNCTION;
};
#endif
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