profiler.js

var gdjs;(function(m){class a{constructor(){this._framesMeasures=[];this._currentFrameIndex=0;this._currentFrameMeasure={parent:null,time:0,lastStartTime:0,subsections:{}};this._currentSection=null;this._maxFramesCount=600;this._framesCount=0;for(;this._framesMeasures.length<this._maxFramesCount;)this._framesMeasures.push({parent:null,time:0,lastStartTime:0,subsections:{}});this._getTimeNow=window.performance&&typeof window.performance.now=="function"?window.performance.now.bind(window.performance):Date.now}beginFrame(){this._currentFrameMeasure={parent:null,time:0,lastStartTime:this._getTimeNow(),subsections:{}},this._currentSection=this._currentFrameMeasure}begin(t){if(this._currentSection===null)throw new Error("Impossible to call Profiler.begin() when not profiling a frame!");const e=this._currentSection.subsections,r=e[t]=e[t]||{parent:this._currentSection,time:0,lastStartTime:0,subsections:{}};this._currentSection=r,this._currentSection.lastStartTime=this._getTimeNow()}end(t){if(this._currentSection===null)throw new Error("Impossible to call Profiler.end() when not profiling a frame!");const e=this._getTimeNow()-this._currentSection.lastStartTime;this._currentSection.time=(this._currentSection.time||0)+e,this._currentSection.parent!==null&&(this._currentSection=this._currentSection.parent)}endFrame(){if(this._currentSection===null)throw new Error("Impossible to end profiling a frame when profiling has not started a frame!");if(this._currentSection.parent!==null)throw new Error("Mismatch in profiler, endFrame should be called on root section");this.end(),this._framesCount++,this._framesCount>this._maxFramesCount&&(this._framesCount=this._maxFramesCount),this._framesMeasures[this._currentFrameIndex]=this._currentFrameMeasure,this._currentFrameIndex++,this._currentFrameIndex>=this._maxFramesCount&&(this._currentFrameIndex=0)}static _addAverageSectionTimes(t,e,r,o){e.time=(e.time||0)+t.time/r;for(const s in t.subsections)if(t.subsections.hasOwnProperty(s)){const n=e.subsections,i=n[s]=n[s]||{parent:e,time:0,subsections:{}};a._addAverageSectionTimes(t.subsections[s],i,r,o)}}getFramesAverageMeasures(){const t={parent:null,time:0,lastStartTime:0,subsections:{}};for(let e=0;e<this._framesCount;++e)a._addAverageSectionTimes(this._framesMeasures[e],t,this._framesCount,e);return t}getStats(){return{framesCount:this._framesCount}}static getProfilerSectionTexts(t,e,r){const o=e.parent&&e.parent.time!==0?(e.time/e.parent.time*100).toFixed(1):"100%",s=e.time.toFixed(2);r.push(t+": "+s+"ms ("+o+")");const n=[];for(const i in e.subsections)e.subsections.hasOwnProperty(i)&&a.getProfilerSectionTexts(i,e.subsections[i],n);r.push.apply(r,n)}}m.Profiler=a})(gdjs||(gdjs={}));
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