vtkPVRenderingCapabilitiesInformation.h

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/*=========================================================================

  Program:   ParaView
  Module:    vtkPVRenderingCapabilitiesInformation.h

  Copyright (c) Kitware, Inc.
  All rights reserved.
  See Copyright.txt or http://www.paraview.org/HTML/Copyright.html 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.

=========================================================================*/
#ifndef vtkPVRenderingCapabilitiesInformation_h
#define vtkPVRenderingCapabilitiesInformation_h

#include "vtkPVInformation.h"
#include "vtkRemotingViewsModule.h" //needed for exports
#include "vtkSmartPointer.h"        // for vtkSmartPointer
#include <string>                   // for std::string

class vtkRenderWindow;

class VTKREMOTINGVIEWS_EXPORT vtkPVRenderingCapabilitiesInformation : public vtkPVInformation
{
public:
  static vtkPVRenderingCapabilitiesInformation* New();
  vtkTypeMacro(vtkPVRenderingCapabilitiesInformation, vtkPVInformation);
  void PrintSelf(ostream& os, vtkIndent indent) override;

  enum CapabilitiesMask
  {
    NONE = 0,

    ONSCREEN_RENDERING = 0x01,

    HEADLESS_RENDERING_USES_OSMESA = 0x04,

    HEADLESS_RENDERING_USES_EGL = 0x08,

    HEADLESS_RENDERING = HEADLESS_RENDERING_USES_OSMESA | HEADLESS_RENDERING_USES_EGL,

    RENDERING = ONSCREEN_RENDERING | HEADLESS_RENDERING,

    OPENGL = 0x10,
  };

  vtkGetMacro(Capabilities, vtkTypeUInt32);

  bool Supports(vtkTypeUInt32 capability) { return (this->Capabilities & capability) != 0; }

  static bool Supports(vtkTypeUInt32 capabilities, vtkTypeUInt32 mask)
  {
    return (mask & capabilities) != 0;
  }

  static vtkTypeUInt32 GetLocalCapabilities();

  static vtkSmartPointer<vtkRenderWindow> NewOffscreenRenderWindow();

  void CopyFromObject(vtkObject*) override;
  void AddInformation(vtkPVInformation*) override;
  void CopyToStream(vtkClientServerStream*) override;
  void CopyFromStream(const vtkClientServerStream*) override;

protected:
  vtkPVRenderingCapabilitiesInformation();
  ~vtkPVRenderingCapabilitiesInformation();

  vtkTypeUInt32 Capabilities;

private:
  vtkPVRenderingCapabilitiesInformation(const vtkPVRenderingCapabilitiesInformation&) = delete;
  void operator=(const vtkPVRenderingCapabilitiesInformation&) = delete;
};

#endif