vtkOpenGLHardwareSelector.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
 
#ifndef vtkOpenGLHardwareSelector_h
#define vtkOpenGLHardwareSelector_h
 
#include "vtkHardwareSelector.h"
#include "vtkRenderingOpenGL2Module.h" // For export macro
 
VTK_ABI_NAMESPACE_BEGIN
class vtkOverrideAttribute;
class VTKRENDERINGOPENGL2_EXPORT vtkOpenGLHardwareSelector : public vtkHardwareSelector
{
public:
  static vtkOpenGLHardwareSelector* New();
  VTK_NEWINSTANCE
  static vtkOverrideAttribute* CreateOverrideAttributes();
  vtkTypeMacro(vtkOpenGLHardwareSelector, vtkHardwareSelector);
  void PrintSelf(ostream& os, vtkIndent indent) override;

  void BeginRenderProp() override;
  void EndRenderProp() override;

  void RenderCompositeIndex(unsigned int index) override;

  void RenderProcessId(unsigned int processid) override;
 
  // we need to initialize the depth buffer
  void BeginSelection() override;
  void EndSelection() override;
 
protected:
  vtkOpenGLHardwareSelector();
  ~vtkOpenGLHardwareSelector() override;
 
  void PreCapturePass(int pass) override;
  void PostCapturePass(int pass) override;
 
  // Called internally before each prop is rendered
  // for device specific configuration/preparation etc.
  void BeginRenderProp(vtkRenderWindow*) override;
  void EndRenderProp(vtkRenderWindow*) override;
 
  void SavePixelBuffer(int passNo) override;
 
  int OriginalMultiSample;
  bool OriginalBlending;
 
private:
  vtkOpenGLHardwareSelector(const vtkOpenGLHardwareSelector&) = delete;
  void operator=(const vtkOpenGLHardwareSelector&) = delete;
};
 
#define vtkOpenGLHardwareSelector_OVERRIDE_ATTRIBUTES                                              \
  vtkOpenGLHardwareSelector::CreateOverrideAttributes()
VTK_ABI_NAMESPACE_END
#endif