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125 lines
4.6 KiB
125 lines
4.6 KiB
/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2007 Robert Osfield |
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* |
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* This library is open source and may be redistributed and/or modified under |
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* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or |
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* (at your option) any later version. The full license is in LICENSE file |
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* included with this distribution, and on the openscenegraph.org website. |
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* |
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* This library is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* OpenSceneGraph Public License for more details. |
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*/ |
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#ifndef OSG_STATS |
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#define OSG_STATS 1 |
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#include <osg/Referenced> |
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#include <OpenThreads/Mutex> |
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#include <OpenThreads/ScopedLock> |
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#include <string> |
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#include <map> |
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#include <vector> |
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#include <ostream> |
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namespace osg { |
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class OSG_EXPORT Stats : public osg::Referenced |
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{ |
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public: |
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Stats(const std::string& name); |
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Stats(const std::string& name, unsigned int numberOfFrames); |
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void setName(const std::string& name) { _name = name; } |
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const std::string& getName() const { return _name; } |
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void allocate(unsigned int numberOfFrames); |
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unsigned int getEarliestFrameNumber() const { return _latestFrameNumber < static_cast<unsigned int>(_attributeMapList.size()) ? 0 : _latestFrameNumber - static_cast<unsigned int>(_attributeMapList.size()) + 1; } |
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unsigned int getLatestFrameNumber() const { return _latestFrameNumber; } |
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typedef std::map<std::string, double> AttributeMap; |
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typedef std::vector<AttributeMap> AttributeMapList; |
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bool setAttribute(unsigned int frameNumber, const std::string& attributeName, double value); |
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inline bool getAttribute(unsigned int frameNumber, const std::string& attributeName, double& value) const |
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{ |
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OpenThreads::ScopedLock<OpenThreads::Mutex> lock(_mutex); |
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return getAttributeNoMutex(frameNumber, attributeName, value); |
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} |
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bool getAveragedAttribute(const std::string& attributeName, double& value, bool averageInInverseSpace=false) const; |
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bool getAveragedAttribute(unsigned int startFrameNumber, unsigned int endFrameNumber, const std::string& attributeName, double& value, bool averageInInverseSpace=false) const; |
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inline AttributeMap& getAttributeMap(unsigned int frameNumber) |
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{ |
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OpenThreads::ScopedLock<OpenThreads::Mutex> lock(_mutex); |
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return getAttributeMapNoMutex(frameNumber); |
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} |
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inline const AttributeMap& getAttributeMap(unsigned int frameNumber) const |
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{ |
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OpenThreads::ScopedLock<OpenThreads::Mutex> lock(_mutex); |
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return getAttributeMapNoMutex(frameNumber); |
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} |
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typedef std::map<std::string, bool> CollectMap; |
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void collectStats(const std::string& str, bool flag) { _collectMap[str] = flag; } |
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inline bool collectStats(const std::string& str) const |
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{ |
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OpenThreads::ScopedLock<OpenThreads::Mutex> lock(_mutex); |
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CollectMap::const_iterator itr = _collectMap.find(str); |
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return (itr != _collectMap.end()) ? itr->second : false; |
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} |
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void report(std::ostream& out, const char* indent=0) const; |
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void report(std::ostream& out, unsigned int frameNumber, const char* indent=0) const; |
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protected: |
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virtual ~Stats() {} |
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bool getAttributeNoMutex(unsigned int frameNumber, const std::string& attributeName, double& value) const; |
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AttributeMap& getAttributeMapNoMutex(unsigned int frameNumber); |
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const AttributeMap& getAttributeMapNoMutex(unsigned int frameNumber) const; |
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int getIndex(unsigned int frameNumber) const |
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{ |
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// reject frame that are in the future |
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if (frameNumber > _latestFrameNumber) return -1; |
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// reject frames that are too early |
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if (frameNumber < getEarliestFrameNumber()) return -1; |
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if (frameNumber >= _baseFrameNumber) return frameNumber - _baseFrameNumber; |
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else return static_cast<int>(_attributeMapList.size()) - (_baseFrameNumber-frameNumber); |
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} |
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std::string _name; |
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mutable OpenThreads::Mutex _mutex; |
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unsigned int _baseFrameNumber; |
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unsigned int _latestFrameNumber; |
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AttributeMapList _attributeMapList; |
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AttributeMap _invalidAttributeMap; |
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CollectMap _collectMap; |
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}; |
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} |
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#endif
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