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45 lines
1.2 KiB
C++
45 lines
1.2 KiB
C++
#ifndef OPENMW_COMPONENTS_UNREFQUEUE_H
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#define OPENMW_COMPONENTS_UNREFQUEUE_H
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#include <deque>
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#include <osg/ref_ptr>
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#include <osg/Referenced>
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#include <components/sceneutil/workqueue.hpp>
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namespace SceneUtil
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{
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class WorkQueue;
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class UnrefWorkItem : public SceneUtil::WorkItem
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{
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public:
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std::deque<osg::ref_ptr<const osg::Referenced> > mObjects;
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void doWork() override;
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};
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/// @brief Handles unreferencing of objects through the WorkQueue. Typical use scenario
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/// would be the main thread pushing objects that are no longer needed, and the background thread deleting them.
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class UnrefQueue : public osg::Referenced
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{
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public:
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UnrefQueue();
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/// Adds an object to the list of objects to be unreferenced. Call from the main thread.
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void push(const osg::Referenced* obj);
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/// Adds a WorkItem to the given WorkQueue that will clear the list of objects in a worker thread, thus unreferencing them.
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/// Call from the main thread.
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void flush(SceneUtil::WorkQueue* workQueue);
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unsigned int getNumItems() const;
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private:
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osg::ref_ptr<UnrefWorkItem> mWorkItem;
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};
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}
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#endif
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