@arcgis/core/views/3d/webgl-engine/lib/TextureBackedBuffer/TextureBackedBufferLayout.js

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

/* COPYRIGHT Esri - https://js.arcgis.com/5.0.19/LICENSE.txt */
import{typeToCreationInfoMap as e}from"./TextureBackedBufferFieldCreation.js";import{LayoutField as t}from"./TextureBackedBufferLayoutField.js";import{TextureBufferView as r}from"./TextureBufferView.js";class i{constructor(r){this._fields=new Map,this.texelByteStride=4,this.texelElementArrayConstructor=Uint8Array;let i=0;const n=[];for(let t=0;t<r.length;++t){const s=r[t],{type:o}=s,f=e[o];n.push({declaration:s,byteOffset:i,creationInfo:f}),i+=f.byteSize}i=s(i);const o=i,f=this._fields,{texelByteStride:l}=this;for(const{declaration:e,byteOffset:s,creationInfo:a}of n)f.set(e.name,new t(e,s,l,a));this.byteStride=o,this.texelStride=Math.ceil(o/l)}get stride(){return this.byteStride}get fields(){return this._fields}createBuffer(e){return new r(this,e,this.texelElementArrayConstructor)}createView(e,t){return new r(this,e,this.texelElementArrayConstructor,t)}}function s(e){return e+3&-4}export{i as TextureBackedBufferLayout};