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