SoGpuBufferObject.h

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**=======================================================================*/
 
#ifndef SO_GPU_BUFFER_OBJECT_H
#define SO_GPU_BUFFER_OBJECT_H
 
#include <Inventor/devices/SoBufferObject.h>
#include <Inventor/devices/SoCpuBufferObject.h>
 
namespace inventor
{
namespace renderer
{
template<typename ResourceType> struct Resource;
}
}
SO_PIMPL_PUBLIC_DECLARATION(SoGpuBufferObject)
 
 
class  SoGpuBufferObject : public SoBufferObject
{
  SO_TYPED_CLASS_HEADER();
  SO_PIMPL_PUBLIC_HEADER(SoGpuBufferObject)
 
public:
 
  enum BufferAccessFrequency
  {
    STATIC,
 
    DYNAMIC
  };
 
  enum BufferAccessNature
  {
    SHARED,
 
    DEVICE
  };
 
  SoGpuBufferObject( BufferAccessFrequency accessFrequency = STATIC, BufferAccessNature accessNature = SHARED );
 
  virtual bool setSize( size_t size );
 
  virtual SoBufferObject* createInstance() const;
 
  virtual void clearInstance();
 
  BufferAccessFrequency getAccessFrequency() const;
 
  BufferAccessNature getAccessNature() const;
 
private:
 
    void copyToCpuBuffer(SoCpuBufferObject* targetBufferObject, size_t destOffset = 0, size_t sourceOffset = 0, size_t copySize = SO_BUFFER_SIZE_ALL);
 
private:
  virtual ~SoGpuBufferObject();
 
  friend struct inventor::renderer::Resource<SoBufferObject>;
};
 
#endif // SO_GPU_BUFFER_OBJECT_H