151 lines
4.7 KiB
Plaintext
151 lines
4.7 KiB
Plaintext
//C++ header - Open Scene Graph - Copyright (C) 1998-2002 Robert Osfield
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//Distributed under the terms of the GNU Library General Public License (LGPL)
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//as published by the Free Software Foundation.
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#ifndef OSGUTIL_RENDERBIN
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#define OSGUTIL_RENDERBIN 1
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#include <osgUtil/RenderGraph>
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#include <map>
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#include <vector>
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#include <string>
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// forward declare Statistics to remove link dependancy.
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namespace osg { class Statistics; }
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namespace osgUtil {
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class RenderStage;
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/**
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* RenderBin base class.
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*/
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class OSGUTIL_EXPORT RenderBin : public osg::Object
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{
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public:
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typedef std::vector<RenderLeaf*> RenderLeafList;
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typedef std::vector<RenderGraph*> RenderGraphList;
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typedef std::map< int, osg::ref_ptr<RenderBin> > RenderBinList;
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// static methods.
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static RenderBin* createRenderBin(const std::string& binName);
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static RenderBin* getRenderBinPrototype(const std::string& binName);
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static void addRenderBinPrototype(const std::string& binName,RenderBin* proto);
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static void removeRenderBinPrototype(RenderBin* proto);
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enum SortMode
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{
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SORT_BY_STATE,
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SORT_FRONT_TO_BACK,
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SORT_BACK_TO_FRONT
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};
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RenderBin(SortMode mode=SORT_BY_STATE);
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/** Copy constructor using CopyOp to manage deep vs shallow copy.*/
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RenderBin(const RenderBin& rhs,const osg::CopyOp& copyop=osg::CopyOp::SHALLOW_COPY);
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virtual osg::Object* cloneType() const { return osgNew RenderBin(); }
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virtual osg::Object* clone(const osg::CopyOp& copyop) const { return osgNew RenderBin(*this,copyop); } // note only implements a clone of type.
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virtual bool isSameKindAs(const osg::Object* obj) const { return dynamic_cast<const RenderBin*>(obj)!=0L; }
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virtual const char* libraryName() const { return "osgUtil"; }
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virtual const char* className() const { return "RenderBin"; }
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virtual void reset();
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RenderBin* find_or_insert(int binNum,const std::string& binName);
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void addRenderGraph(RenderGraph* rg)
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{
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_renderGraphList.push_back(rg);
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}
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bool getRequiresDepthValueForSort() const { return _requiresDepthValueForSort; }
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void setRequiresDepthValueForSort(bool flag) { _requiresDepthValueForSort=flag; }
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void sort();
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void setSortMode(SortMode mode);
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SortMode getSortMode() const { return _sortMode; }
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virtual void sort_local();
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virtual void sort_local_by_state();
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virtual void sort_local_front_to_back();
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virtual void sort_local_back_to_front();
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struct SortCallback : public osg::Referenced
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{
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virtual void sort(RenderBin*) = 0;
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};
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void setSortLocalCallback(SortCallback* sortCallback) { _sortLocalCallback = sortCallback; }
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SortCallback* getSortLocalCallback() { return _sortLocalCallback.get(); }
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const SortCallback* getSortLocalCallback() const { return _sortLocalCallback.get(); }
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virtual void draw(osg::State& state,RenderLeaf*& previous);
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virtual void draw_local(osg::State& state,RenderLeaf*& previous);
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/** extract stats for current draw list. */
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bool getStats(osg::Statistics* primStats);
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void getPrims(osg::Statistics* primStats);
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bool getPrims(osg::Statistics* primStats, int nbin);
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public:
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void copyLeavesFromRenderGraphListToRenderLeafList();
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bool _requiresDepthValueForSort;
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int _binNum;
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RenderBin* _parent;
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RenderStage* _stage;
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RenderBinList _bins;
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RenderGraphList _renderGraphList;
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RenderLeafList _renderLeafList;
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SortMode _sortMode;
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osg::ref_ptr<SortCallback> _sortLocalCallback;
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typedef std::map< std::string, osg::ref_ptr<RenderBin> > RenderBinPrototypeList;
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static RenderBinPrototypeList s_renderBinPrototypeList;
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protected:
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virtual ~RenderBin();
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};
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/** Proxy class for automatic registration of renderbins with the RenderBin prototypelist.*/
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class RegisterRenderBinProxy
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{
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public:
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RegisterRenderBinProxy(const std::string& binName,RenderBin* proto)
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{
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_rb = proto;
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RenderBin::addRenderBinPrototype(binName,_rb.get());
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}
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~RegisterRenderBinProxy()
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{
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RenderBin::removeRenderBinPrototype(_rb.get());
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}
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protected:
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osg::ref_ptr<RenderBin> _rb;
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};
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}
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#endif
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