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Identify files in object cache by filename and optional provided options.

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Objects with the same filename may be different from others based on the provided
plugin options. Using filename *and* the provided options as object cache key
helps to avoid fetching the wrong object.
This commit is contained in:
Ralf Habacker
2014-01-15 15:33:42 +01:00
committed by Robert Osfield
parent 3816e4c76e
commit 85cd1c456f
6 changed files with 68 additions and 36 deletions
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11
include/osgDB/ObjectCache
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@@ -50,16 +50,16 @@ class OSGDB_EXPORT ObjectCache : public osg::Referenced
void addObjectCache(ObjectCache* object);
/** Add a filename,object,timestamp triple to the Registry::ObjectCache.*/
void addEntryToObjectCache(const std::string& filename, osg::Object* object, double timestamp = 0.0);
void addEntryToObjectCache(const std::string& filename, osg::Object* object, double timestamp = 0.0, const Options *options = NULL);
/** Remove Object from cache.*/
void removeFromObjectCache(const std::string& fileName);
void removeFromObjectCache(const std::string& fileName, const Options *options = NULL);
/** Get an Object from the object cache*/
osg::Object* getFromObjectCache(const std::string& fileName);
osg::Object* getFromObjectCache(const std::string& fileName, const Options *options = NULL);
/** Get an ref_ptr<Object> from the object cache*/
osg::ref_ptr<osg::Object> getRefFromObjectCache(const std::string& fileName);
osg::ref_ptr<osg::Object> getRefFromObjectCache(const std::string& fileName, const Options *options = NULL);
/** call rleaseGLObjects on all objects attached to the object cache.*/
void releaseGLObjects(osg::State* state);
@@ -69,7 +69,8 @@ class OSGDB_EXPORT ObjectCache : public osg::Referenced
virtual ~ObjectCache();
typedef std::pair<osg::ref_ptr<osg::Object>, double > ObjectTimeStampPair;
typedef std::map<std::string, ObjectTimeStampPair > ObjectCacheMap;
typedef std::pair<std::string, osg::ref_ptr<const osgDB::Options> > FileNameOptionsPair;
typedef std::map<FileNameOptionsPair, ObjectTimeStampPair > ObjectCacheMap;
ObjectCacheMap _objectCache;
OpenThreads::Mutex _objectCacheMutex;

6
include/osgDB/Options
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@@ -255,10 +255,12 @@ class OSGDB_EXPORT Options : public osg::Object
/** Get the parentGroup observer_ptr, where the loaded model is intended to be added */
const osg::observer_ptr<osg::Group>& getParentGroup() const { return _parentGroup; }
protected:
bool operator < (const Options &rhs) const;
bool operator == (const Options &rhs) const;
virtual ~Options() {}
protected:
std::string _str;
FilePathList _databasePaths;

8
include/osgDB/Registry
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@@ -452,16 +452,16 @@ class OSGDB_EXPORT Registry : public osg::Referenced
void clearObjectCache();
/** Add a filename,object,timestamp triple to the Registry::ObjectCache.*/
void addEntryToObjectCache(const std::string& filename, osg::Object* object, double timestamp = 0.0);
void addEntryToObjectCache(const std::string& filename, osg::Object* object, double timestamp = 0.0, Options *options = NULL);
/** Remove Object from cache.*/
void removeFromObjectCache(const std::string& fileName);
void removeFromObjectCache(const std::string& fileName, Options *options = NULL);
/** Get an Object from the object cache*/
osg::Object* getFromObjectCache(const std::string& fileName);
osg::Object* getFromObjectCache(const std::string& fileName, Options *options = NULL);
/** Get an ref_ptr<Object> from the object cache*/
osg::ref_ptr<osg::Object> getRefFromObjectCache(const std::string& fileName);
osg::ref_ptr<osg::Object> getRefFromObjectCache(const std::string& fileName, Options *options = NULL);