@arcgis/core/views/3d/webgl-engine/lib/lodRendering/BackedBufferObject.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{glLayout as e}from"../../../support/buffer/glUtil.js";import{VertexBuffer as t}from"../../../../webgl/VertexBuffer.js";class r{constructor(r,i,s){this.elementSize=i.stride,this._buffer=new t(r,e(i,1)),this.resize(s)}destroy(){this._buffer.dispose()}get capacity(){return this._capacity}get array(){return this._array}get buffer(){return this._buffer}get usedMemory(){return this._array.byteLength+this._buffer.usedMemory}copyRange(e,t,r,i=0){const s=new Uint8Array(this.array,e*this.elementSize,(t-e)*this.elementSize);new Uint8Array(r.array,i*this.elementSize).set(s)}transferAll(){this._buffer.setData(this._array)}transferRange(e,t){const r=e*this.elementSize,i=t*this.elementSize;this._buffer.setSubData(new Uint8Array(this._array),r,r,i)}resize(e){const t=e*this.elementSize,r=new ArrayBuffer(t);this._array&&(e>=this._capacity?new Uint8Array(r).set(new Uint8Array(this._array)):new Uint8Array(r).set(new Uint8Array(this._array).subarray(0,e*this.elementSize))),this._array=r,this._buffer.setSize(t),this._capacity=e}}export{r as BackedBufferObject};