mirror of https://github.com/OpenMW/openmw.git
Preload instances in SceneManager
scrawl
9 years ago
parent
2e62298bd3
commit
e28dc3e72f
@ -0,0 +1,79 @@
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#include "multiobjectcache.hpp"
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#include <vector>
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#include <osg/Object>
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namespace Resource
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{
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MultiObjectCache::MultiObjectCache()
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{
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}
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MultiObjectCache::~MultiObjectCache()
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{
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}
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void MultiObjectCache::removeUnreferencedObjectsInCache()
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{
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std::vector<osg::ref_ptr<osg::Object> > objectsToRemove;
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{
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OpenThreads::ScopedLock<OpenThreads::Mutex> lock(_objectCacheMutex);
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// Remove unreferenced entries from object cache
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ObjectCacheMap::iterator oitr = _objectCache.begin();
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while(oitr != _objectCache.end())
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{
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if (oitr->second->referenceCount() <= 1)
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{
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objectsToRemove.push_back(oitr->second);
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_objectCache.erase(oitr++);
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}
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else
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{
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++oitr;
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}
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}
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}
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// note, actual unref happens outside of the lock
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objectsToRemove.clear();
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}
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void MultiObjectCache::addEntryToObjectCache(const std::string &filename, osg::Object *object)
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{
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OpenThreads::ScopedLock<OpenThreads::Mutex> lock(_objectCacheMutex);
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_objectCache.insert(std::make_pair(filename, object));
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}
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osg::ref_ptr<osg::Object> MultiObjectCache::takeFromObjectCache(const std::string &fileName)
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{
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OpenThreads::ScopedLock<OpenThreads::Mutex> lock(_objectCacheMutex);
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ObjectCacheMap::iterator found = _objectCache.find(fileName);
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if (found == _objectCache.end())
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return osg::ref_ptr<osg::Object>();
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else
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{
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osg::ref_ptr<osg::Object> object = found->second;
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_objectCache.erase(found);
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return object;
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}
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}
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void MultiObjectCache::releaseGLObjects(osg::State *state)
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{
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OpenThreads::ScopedLock<OpenThreads::Mutex> lock(_objectCacheMutex);
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for(ObjectCacheMap::iterator itr = _objectCache.begin();
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itr != _objectCache.end();
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++itr)
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{
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osg::Object* object = itr->second.get();
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object->releaseGLObjects(state);
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}
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}
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}
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@ -0,0 +1,47 @@
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#ifndef OPENMW_COMPONENTS_MULTIOBJECTCACHE_H
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#define OPENMW_COMPONENTS_MULTIOBJECTCACHE_H
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#include <map>
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#include <string>
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#include <osg/ref_ptr>
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#include <osg/Referenced>
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namespace osg
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{
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class Object;
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class State;
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}
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namespace Resource
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{
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/// @brief Cache for "non reusable" objects.
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class MultiObjectCache : public osg::Referenced
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{
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public:
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MultiObjectCache();
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~MultiObjectCache();
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void removeUnreferencedObjectsInCache();
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void addEntryToObjectCache(const std::string& filename, osg::Object* object);
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/** Take an Object from cache. Return NULL if no object found. */
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osg::ref_ptr<osg::Object> takeFromObjectCache(const std::string& fileName);
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/** call releaseGLObjects on all objects attached to the object cache.*/
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void releaseGLObjects(osg::State* state);
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protected:
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typedef std::multimap<std::string, osg::ref_ptr<osg::Object> > ObjectCacheMap;
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ObjectCacheMap _objectCache;
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OpenThreads::Mutex _objectCacheMutex;
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};
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}
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#endif
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