historical/toontown-classic.git/panda/include/memoryInfo.h
2024-01-16 11:20:27 -06:00

83 lines
1.7 KiB
C++

/**
* PANDA 3D SOFTWARE
* Copyright (c) Carnegie Mellon University. All rights reserved.
*
* All use of this software is subject to the terms of the revised BSD
* license. You should have received a copy of this license along
* with this source code in a file named "LICENSE."
*
* @file memoryInfo.h
* @author drose
* @date 2001-06-04
*/
#ifndef MEMORYINFO_H
#define MEMORYINFO_H
#include "pandabase.h"
#ifdef DO_MEMORY_USAGE
#include "typeHandle.h"
class ReferenceCount;
class TypedObject;
/**
* This is a supporting class for MemoryUsage. It records the detailed
* information for a particular pointer allocated by Panda code. This record
* is only kept if track-mem-usage is configured #t.
*
* It's not exported from the DLL, and it doesn't even exist if we're
* compiling NDEBUG.
*/
class MemoryInfo {
public:
MemoryInfo();
public:
// Members to view the MemoryInfo structure.
TypeHandle get_type();
INLINE void *get_void_ptr() const;
INLINE ReferenceCount *get_ref_ptr() const;
INLINE TypedObject *get_typed_ptr() const;
INLINE bool is_size_known() const;
INLINE size_t get_size() const;
INLINE double get_time() const;
private:
// Members to set up the MemoryInfo structure.
void determine_dynamic_type();
bool update_type_handle(TypeHandle &destination, TypeHandle refined);
private:
enum Flags {
F_size_known = 0x0001,
F_reconsider_dynamic_type = 0x0002,
};
void *_void_ptr;
ReferenceCount *_ref_ptr;
TypedObject *_typed_ptr;
size_t _size;
TypeHandle _static_type;
TypeHandle _dynamic_type;
int _flags;
double _time;
int _freeze_index;
friend class MemoryUsage;
};
#include "memoryInfo.I"
#else
class MemoryInfo;
#endif // DO_MEMORY_USAGE
#endif