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geomCacheEntry.h
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72 lines (57 loc) · 1.66 KB
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/**
* 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 geomCacheEntry.h
* @author drose
* @date 2005-03-21
*/
#ifndef GEOMCACHEENTRY_H
#define GEOMCACHEENTRY_H
#include "pandabase.h"
#include "geomCacheManager.h"
#include "referenceCount.h"
#include "config_gobj.h"
#include "pointerTo.h"
#include "mutexHolder.h"
class Geom;
class GeomPrimitive;
/**
* This object contains a single cache entry in the GeomCacheManager. This is
* actually the base class of any number of individual cache types.
*/
class EXPCL_PANDA_GOBJ GeomCacheEntry : public ReferenceCount {
public:
INLINE GeomCacheEntry();
virtual ~GeomCacheEntry();
PT(GeomCacheEntry) record(Thread *current_thread);
void refresh(Thread *current_thread);
PT(GeomCacheEntry) erase();
virtual void evict_callback();
virtual void output(std::ostream &out) const;
private:
int _last_frame_used;
INLINE void remove_from_list();
INLINE void insert_before(GeomCacheEntry *node);
private:
GeomCacheEntry *_prev, *_next;
public:
static TypeHandle get_class_type() {
return _type_handle;
}
static void init_type() {
ReferenceCount::init_type();
register_type(_type_handle, "GeomCacheEntry",
ReferenceCount::get_class_type());
}
private:
static TypeHandle _type_handle;
friend class GeomCacheManager;
};
INLINE std::ostream &operator << (std::ostream &out, const GeomCacheEntry &entry);
#include "geomCacheEntry.I"
#endif