vtkPVClientServerSynchronizedRenderers.h

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// SPDX-FileCopyrightText: Copyright (c) Kitware Inc.
// SPDX-FileCopyrightText: Copyright (c) 2017, NVIDIA CORPORATION
// SPDX-License-Identifier: BSD-3-Clause
#ifndef vtkPVClientServerSynchronizedRenderers_h
#define vtkPVClientServerSynchronizedRenderers_h

#include "vtkRemotingViewsModule.h" //needed for exports
#include "vtkSynchronizedRenderers.h"

class vtkImageCompressor;
class vtkUnsignedCharArray;

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

  // Description:
  // This flag is set by the renderer during still renderers. When set
  // compressor must use loss-less compression. When unset compressor
  // can (if it's enabled) use lossy compression.
  vtkSetMacro(LossLessCompression, bool);
  vtkGetMacro(LossLessCompression, bool);

  // Description:
  // This flag is set when NVPipe is supported.  NVPipe may not be available
  // even when compiled in, if the system is not using an NVIDIA GPU, for
  // example.
  vtkSetMacro(NVPipeSupport, bool);
  vtkGetMacro(NVPipeSupport, bool);

  virtual void ConfigureCompressor(const char* stream);

protected:
  vtkPVClientServerSynchronizedRenderers();
  ~vtkPVClientServerSynchronizedRenderers() override;


  void SetCompressor(vtkImageCompressor* comp);
  vtkGetObjectMacro(Compressor, vtkImageCompressor);

  vtkUnsignedCharArray* Compress(vtkUnsignedCharArray*);
  void Decompress(vtkUnsignedCharArray* input, vtkUnsignedCharArray* outputBuffer);

  void MasterEndRender() override;
  void SlaveEndRender() override;

  vtkImageCompressor* Compressor;
  bool LossLessCompression;
  bool NVPipeSupport;

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

#endif