LDM/tiles/SoCpuBufferBitSet.h

Go to the documentation of this file.

/*=======================================================================
 *** THE CONTENT OF THIS WORK IS PROPRIETARY TO FEI S.A.S, (FEI S.A.S.),            ***
 ***              AND IS DISTRIBUTED UNDER A LICENSE AGREEMENT.                     ***
 ***                                                                                ***
 ***  REPRODUCTION, DISCLOSURE,  OR USE,  IN WHOLE OR IN PART,  OTHER THAN AS       ***
 ***  SPECIFIED  IN THE LICENSE ARE  NOT TO BE  UNDERTAKEN  EXCEPT WITH PRIOR       ***
 ***  WRITTEN AUTHORIZATION OF FEI S.A.S.                                           ***
 ***                                                                                ***
 ***                        RESTRICTED RIGHTS LEGEND                                ***
 ***  USE, DUPLICATION, OR DISCLOSURE BY THE GOVERNMENT OF THE CONTENT OF THIS      ***
 ***  WORK OR RELATED DOCUMENTATION IS SUBJECT TO RESTRICTIONS AS SET FORTH IN      ***
 ***  SUBPARAGRAPH (C)(1) OF THE COMMERCIAL COMPUTER SOFTWARE RESTRICTED RIGHT      ***
 ***  CLAUSE  AT FAR 52.227-19  OR SUBPARAGRAPH  (C)(1)(II)  OF  THE RIGHTS IN      ***
 ***  TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 52.227-7013.             ***
 ***                                                                                ***
 ***                   COPYRIGHT (C) 1996-2022 BY FEI S.A.S,                        ***
 ***                        BORDEAUX, FRANCE                                        ***
 ***                      ALL RIGHTS RESERVED                                       ***
**=======================================================================*/
/*=======================================================================
** Author      : VSG (MMM YYYY)
**=======================================================================*/
#pragma once

#include <Inventor/devices/SoCpuBufferObject.h>
#include <LDM/tiles/SoBufferPropertiesInterface.h>
#include <LDM/tiles/SoLDMBufferObjectInterface.h>

class SoGLBufferObject;
class SoCpuBufferUniform;
class SoCpuBufferBitSetImpl;

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, SoBufferObject::AccessMode accessMode, size_t startPosition = 0, size_t mappingSize = SO_BUFFER_SIZE_ALL );

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

  virtual void* map( SoBufferObject::AccessMode accessMode, size_t offset = 0, size_t count = SO_BUFFER_SIZE_ALL );

  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;

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(SoBufferObject::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 size_t 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;
  }

SoINTERNAL private:
  friend class SoCpuBufferBitSetImpl;

  SoCpuBufferBitSet(SoCpuBufferBitSetImpl* impl);

private:
  virtual ~SoCpuBufferBitSet();
};

---

Open Inventor Toolkit reference manual, generated on 15 Mar 2023
Copyright © Thermo Fisher Scientific All rights reserved. http://www.openinventor.com/