Inventor/devices/SoCudaBufferObject.h

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

#include <Inventor/devices/SoBufferObject.h>
#include <Inventor/devices/SoCudaContext.h>
#include <Inventor/cuda/SoCudaDefs.h>

class SoCpuBufferObject;
class SoGLBufferObject;

class  SoCudaBufferObject : public SoBufferObject
{
  SO_TYPED_CLASS_HEADER();

public:

  SoCudaBufferObject();

  virtual bool setSize( size_t size );

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

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

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

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

  virtual void map( SoCudaBufferObject* 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 unmap( SoBufferObject* bufferObject );

  virtual void unmap( SoCudaBufferObject* bufferObject );

  virtual void unmap( SoCpuBufferObject* bufferObject );

  virtual void unmap( SoGLBufferObject* bufferObject );

  virtual void* getLocation();

  virtual SoBufferObject* createInstance() const;

  virtual void clearInstance();

  // ----------------------- Internal usage --------------------------------------

private:

  virtual void copyToCpuBuffer( SoCpuBufferObject* targetBufferObject, size_t destOffset = 0, size_t sourceOffset = 0, size_t copySize = SO_BUFFER_SIZE_ALL );

  SoCpuBufferObject* createFastCpuBufferObject( size_t size, bool copyData );

  void destroyFastCpuBufferObject( SoCpuBufferObject* cpuBufferObject, bool copyData );

  void copyToGLBuffer( SoGLBufferObject* targetBufferObject, size_t destOffset = 0, size_t sourceOffset = 0, size_t copySize = SO_BUFFER_SIZE_ALL );

  // ----------------------- Protected usage --------------------------------------
private:
  virtual ~SoCudaBufferObject();

  virtual void copyHostToDevice( void* sourceBuffer, size_t sourceOffset, size_t destOffset, size_t copySize );

  virtual void copyDeviceToHost( void* targetBuffer, size_t targetOffset, size_t sourceOffset, size_t copySize );

private:

  void setBuffer( void *buffer, size_t size );

  void* m_buffer;

  bool m_isOwner;
};


#endif //SOCUDABUFFEROBJECT_H

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