LDM/tiles/SoCpuBufferBitSet.h

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

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

// LDM include
#include <LDM/tiles/SoBufferPropertiesInterface.h>
#include <LDM/tiles/SoLDMBufferObjectInterface.h>
#include <LDM/tiles/SoCpuBufferCompressed.h>
#include <Inventor/algorithms/SoConversion.h>

class SoDataCompressor;
class SoCpuBufferUniform;
class SoCpuBufferBitSet;

#ifdef _MSC_VER
#pragma warning( push )
#pragma warning(disable:4251)
#endif

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

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

  SoCpuBufferBitSet();

  SoCpuBufferBitSet(SoCpuBufferObject* cpuBuffer);

  virtual SoBufferObject* createInstance() const;

  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 void memcpy( SoBufferObject* sourceBufferObject, size_t destOffset = 0, size_t sourceOffset = 0, size_t copySize = SO_BUFFER_SIZE_ALL );

  virtual void memset( void* value, size_t valueSize = 1, size_t offset = 0, size_t count = SO_BUFFER_SIZE_ALL );

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

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

  virtual bool setSize( size_t size );

#if 1             SoDEPRECATED
  SoCpuBufferBitSet(SoDataCompressor* compressor);
SoDEPRECATED
  virtual void setCompressor( SoDataCompressor* compressor );
  SoDEPRECATED
  virtual void setBufferUncompress( unsigned char* dataBuffer, size_t bufferSize );
SoDEPRECATED
  virtual void setBufferCompressed( bool ){};

#endif 
private:

  void memcpy( SoCpuBufferBitSet* sourceBufferObject, size_t destOffset = 0, size_t sourceOffset = 0, size_t copySize = SO_BUFFER_SIZE_ALL );

  void memcpy( SoCpuBufferUniform* sourceBufferObject, size_t destOffset = 0, size_t sourceOffset = 0, size_t copySize = SO_BUFFER_SIZE_ALL );

  void memcpyInternal( SoBufferObject* sourceBufferObject, size_t dataSize, size_t destOffset = 0, size_t sourceOffset = 0, size_t copySize = SO_BUFFER_SIZE_ALL );

  unsigned char* mapRawBitSet(AccessMode accessMode);

  void unmapRawBitSet();

  static inline unsigned char getBit(unsigned char* dataPtr, const int pos)
  { return (((dataPtr[pos>>0x3]) >> (7- (pos & 0x7))) & 1); }

  // Set the cache id allocated by the DataSet
  virtual void setCacheSignature(const uint64_t& cacheSignature);

  static inline void setBit(unsigned char* dataPtr, const int pos, bool v)
  {
    unsigned char& val = dataPtr[pos/8];
    const unsigned char mask = 0x80 >> pos%8;
    const unsigned char bitChar = (unsigned char)v << (7 - pos%8);
    val = (val & ~mask) | bitChar;
  }

private:
  virtual ~SoCpuBufferBitSet();

private:
  void setBitSetData(SoCpuBufferObject* buffer);

  void updateUnpackBuffer(AccessMode accessMode);

  SoCpuBufferObject* m_tempBitSetBuffer;
  SoCpuBufferObject* m_unpackedBuffer;

  SoRef<SoCpuBufferObject> m_bitSetBuffer;
};

#ifdef _MSC_VER
#pragma warning( pop )
#endif

#endif //SOCPUBUFFERBITSET_H

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Open Inventor Toolkit reference manual, generated on 12 Feb 2024
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