@arcgis/core/views/webgl/TimerPool.js

ArcGIS Maps SDK for JavaScript: A complete 2D and 3D mapping and data visualization API

/* COPYRIGHT Esri - https://js.arcgis.com/5.0.8/LICENSE.txt */
import{hasRunningElapsedTimer as t}from"./capabilities/DisjointTimerQuery.js";function e(t,e){const u=t.capabilities.disjointTimerQuery;return null==u?null:new r(u,e)}class r{constructor(t,e){this._timer=t,this._queryPool=new Array,this._queryResults=new Map,this._currentQuery=null,e.forEach(t=>{const e=this._timer.createQuery(),r=this._timer.createQuery();this._queryPool.push(e,r),this._queryResults.set(t,null)})}start(){t||(this._currentQuery=this._queryPool.pop(),null!=this._currentQuery&&(this._timer.disjoint(),this._timer.beginTimeElapsed(this._currentQuery)))}stop(t){if(this._timer.disjoint()||null==this._currentQuery||!this._queryResults.has(t))return this.abort(),null;this._timer.endTimeElapsed();const e=this._queryResults.get(t);if(null==e)return this._queryResults.set(t,this._currentQuery),this._currentQuery=null,null;if(!this._timer.resultAvailable(e))return this._queryPool.unshift(this._currentQuery),this._currentQuery=null,null;const r=this._timer.getResult(e)/1e6;return this._queryPool.unshift(e),this._queryResults.set(t,this._currentQuery),this._currentQuery=null,r}abort(){null!=this._currentQuery&&(this._timer.deleteQuery(this._currentQuery),this._queryPool.unshift(this._timer.createQuery()),this._currentQuery=null)}dispose(){null!=this._currentQuery&&this._timer.deleteQuery(this._currentQuery),this._queryPool.forEach(t=>{this._timer.deleteQuery(t)}),this._queryResults.forEach(t=>{null!=t&&this._timer.deleteQuery(t)})}}export{e as createElapsedTimerPool};