Panda3D
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00001 // Filename: memoryInfo.I 00002 // Created by: drose (04Jun01) 00003 // 00004 //////////////////////////////////////////////////////////////////// 00005 // 00006 // PANDA 3D SOFTWARE 00007 // Copyright (c) Carnegie Mellon University. All rights reserved. 00008 // 00009 // All use of this software is subject to the terms of the revised BSD 00010 // license. You should have received a copy of this license along 00011 // with this source code in a file named "LICENSE." 00012 // 00013 //////////////////////////////////////////////////////////////////// 00014 00015 00016 //////////////////////////////////////////////////////////////////// 00017 // Function: MemoryInfo::get_void_ptr 00018 // Access: Public 00019 // Description: Returns the data pointer as a void pointer. This 00020 // should always be non-NULL. 00021 //////////////////////////////////////////////////////////////////// 00022 void *MemoryInfo::get_void_ptr() const { 00023 if (_void_ptr != (void *)NULL) { 00024 return _void_ptr; 00025 } 00026 if (_ref_ptr == (void *)NULL) { 00027 return _typed_ptr; 00028 } 00029 if (_typed_ptr == (void *)NULL) { 00030 return _ref_ptr; 00031 } 00032 return ((void *)_ref_ptr < (void *)_typed_ptr) ? (void *)_ref_ptr : (void *)_typed_ptr; 00033 } 00034 00035 //////////////////////////////////////////////////////////////////// 00036 // Function: MemoryInfo::get_ref_ptr 00037 // Access: Public 00038 // Description: Returns the data pointer as a ReferenceCount pointer. 00039 // This may be NULL if the data pointer does not 00040 // represent a ReferenceCount object. 00041 //////////////////////////////////////////////////////////////////// 00042 ReferenceCount *MemoryInfo::get_ref_ptr() const { 00043 return _ref_ptr; 00044 } 00045 00046 //////////////////////////////////////////////////////////////////// 00047 // Function: MemoryInfo::get_typed_ptr 00048 // Access: Public 00049 // Description: Returns the data pointer as a TypedObject pointer. 00050 // This may be NULL if the data pointer does not 00051 // represent a pointer to a TypedObject. 00052 //////////////////////////////////////////////////////////////////// 00053 TypedObject *MemoryInfo::get_typed_ptr() const { 00054 return _typed_ptr; 00055 } 00056 00057 //////////////////////////////////////////////////////////////////// 00058 // Function: MemoryInfo::is_size_known 00059 // Access: Public 00060 // Description: Returns true if the size of the memory block 00061 // referenced by this pointer is known. Most pointers' 00062 // sizes should be known, but some may not be. 00063 //////////////////////////////////////////////////////////////////// 00064 bool MemoryInfo::is_size_known() const { 00065 return (_flags & F_size_known) != 0; 00066 } 00067 00068 //////////////////////////////////////////////////////////////////// 00069 // Function: MemoryInfo::get_size 00070 // Access: Public 00071 // Description: Returns the size in bytes of the memory block 00072 // referenced by this pointer, if it is known. Returns 00073 // zero if the size is not known. 00074 //////////////////////////////////////////////////////////////////// 00075 size_t MemoryInfo::get_size() const { 00076 return _size; 00077 } 00078 00079 //////////////////////////////////////////////////////////////////// 00080 // Function: MemoryInfo::get_time 00081 // Access: Public 00082 // Description: Returns the time in seconds (based on the 00083 // GlobalClock) at which the pointer was allocated. 00084 //////////////////////////////////////////////////////////////////// 00085 double MemoryInfo::get_time() const { 00086 return _time; 00087 } 00088