LDM/tiles/SoCpuBufferCompressed.h

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/*=======================================================================
** Author      : VSG (MMM YYYY)
**=======================================================================*/
#if !defined SOCPUBUFFERCOMPRESSED_H
#define SOCPUBUFFERCOMPRESSED_H

class SoDataCompressor;

// Inventor include
#include <Inventor/devices/SoCpuBufferObject.h>

// LDM include
#include <LDM/tiles/SoBufferPropertiesInterface.h>
#include <LDM/tiles/SoLDMBufferObjectInterface.h>
#include <LDM/compressors/SoDataCompressor.h>

class  SoCpuBufferCompressed: public SoCpuBufferObject, public SoBufferPropertiesInterface, public SoLDMBufferObjectInterface
{
  SO_TYPED_CLASS_HEADER();

  // ----------------------- Public usage --------------------------------------
public:


  SoCpuBufferCompressed();

  SoCpuBufferCompressed(SoDataCompressor* compressor);

  virtual void map( SoBufferObject* targetBufferObject, AccessMode accessMode, size_t startPosition = 0, size_t mappingSize = SO_BUFFER_SIZE_ALL );

  virtual void map( SoCpuBufferObject* targetBufferObject, AccessMode accessMode, size_t startPosition = 0, size_t mappingSize = SO_BUFFER_SIZE_ALL);

  virtual void map( SoGLBufferObject* targetBufferObject, AccessMode accessMode, size_t startPosition = 0, size_t mappingSize = SO_BUFFER_SIZE_ALL);

  virtual void* map( AccessMode accessMode );

  virtual void unmap( SoCpuBufferObject* bufferObject );

  virtual void unmap( SoGLBufferObject* bufferObject );

  virtual void unmap( SoBufferObject* bufferObject );

  virtual void unmap();

  virtual bool getMinMax ( double& min, double& max);

  virtual void setMinMax(const double& min, const double& max);

  size_t getRealSize() const;

  virtual void setCompressor( SoDataCompressor* compressor );

  virtual bool setSize( size_t size );

private:
  SoCpuBufferCompressed(SoDataCompressor* compressor, const SoDataCompressor::TileInfo& tileInfo);
  bool setTileInfo( const SoDataCompressor::TileInfo& tileInfo);

private:
  virtual ~SoCpuBufferCompressed();

SoINTERNAL private:
  // Create internal uncompress version of the buffer
  virtual SoCpuBufferObject* createCachedBuffer();

  virtual void prefetchBuffer();

private:
  SoDataCompressor* m_compressor;
  SoDataCompressor::TileInfo m_tileInfo;


};

#endif //SOCPUBUFFERCOMPRESSED_H

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Open Inventor Toolkit reference manual, generated on 12 Feb 2024
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