@arcgis/core/views/3d/layers/graphics/pipeline/rendering/LodRenderer.js

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

/*
All material copyright ESRI, All Rights Reserved, unless otherwise specified.
See https://js.arcgis.com/4.33/esri/copyright.txt for details.
*/
import{_ as e}from"../../../../../../chunks/tslib.es6.js";import has from"../../../../../../core/has.js";import{throwIfAborted as r}from"../../../../../../core/promiseUtils.js";import"../../../../../../core/Logger.js";import"../../../../../../core/RandomLCG.js";import"../../../../../../core/Error.js";import{subclass as s}from"../../../../../../core/accessorSupport/decorators/subclass.js";import{VertexAttribute as t}from"../../../../webgl-engine/lib/VertexAttribute.js";import{LodRenderer as n}from"../../../../webgl-engine/lib/lodRendering/LodRenderer.js";import{LodComponentRenderGeometry as o,LodComponentResources as i,LodLevelResources as a,LodResources as d}from"../../../../webgl-engine/lib/lodRendering/LodResources.js";let l=class{constructor(e){this._optionalFields=new Array,this._instanceGroupToIndices=new Map,this._instanceIndexToFeatureId=new Map,this._disposeResourceHandles=new Array,this._lodRendererResources=null,this._numFeatures=0,this.layerViewUid=e.layerViewUid,this.view=e.view,this.sharedResources=this.view.sharedSymbolResources,this.scheduler=this.view.resourceController.scheduler}get numFeatures(){return this._numFeatures}get usedMemory(){const e=this._lodRendererResources?.lodRenderer,r=e?.symbol;return(r?.computeUsedMemory()??0)+16*this._instanceIndexToFeatureId.size}destroy(){this._disposeResourceHandles.forEach((e=>e()))}async doLoad(e,s,n){has("enable-feature:objectAndLayerId-rendering")&&this._optionalFields.push(t.OLIDCOLOR);const o=c((e=>s(e)),e),i=this.view.stage,a=o.getMaterials(),d=o.getTextures();i.addTextures(d),this._addDisposeResource((()=>{d.forEach((e=>e.unload())),i.removeTextures(d)})),await Promise.all(d.map((e=>this.view.stage.schedule((()=>e.load(i.renderView.renderingContext)),n)))),r(n);const l=await this._createLodRenderer(o,n);this._lodRendererResources={lodRenderer:l,materials:a,textures:d}}addInstances(e,r){const s=this._lodRendererResources;if(null==s)return;const t=s.lodRenderer;if(null==t)return;const{featureIds:n,localTransforms:o,globalTransforms:i,visibility:a}=r,d=new Array,l=t.instanceData,c=n.length,u=this._instanceIndexToFeatureId;for(let h=0;h<c;++h){const e=n[h],r=l.addInstance(),s=l.view,t=16*h;s.localTransform.copyFromTypedBuffer(r,o,t),s.globalTransform.copyFromTypedBuffer(r,i,t),l.updateModelTransform(r),l.setVisible(r,Boolean(a[h])),d.push(r),u.set(r,e)}this._instanceGroupToIndices.set(e,d),this._numFeatures+=c}removeInstances(e){const r=this._instanceGroupToIndices.get(e);if(null==r)return;const s=this._lodRendererResources;if(null==s)return;const t=s.lodRenderer.instanceData,n=this._instanceIndexToFeatureId;for(const o of r)t.removeInstance(o),n.delete(o);this._numFeatures-=r.length,this._instanceGroupToIndices.delete(e)}updateVisibility(e,r){const s=this._instanceGroupToIndices.get(e);if(null==s)return;const t=this._lodRendererResources;if(null==t)return;const n=s.length;if(n!==r.length)throw new Error("Unexpected mismatch instance count and visibility flag buffer length.");const o=t.lodRenderer.instanceData;for(let i=0;i<n;++i)o.setVisible(s[i],Boolean(r[i]))}updateGlobalTransforms(e,r){const s=this._instanceGroupToIndices.get(e);if(null==s)return;const t=this._lodRendererResources;if(null==t)return;const n=s.length;if(16*n!==r.length)throw new Error("Unexpected mismatch instance count and visibility flag buffer length.");const o=t.lodRenderer.instanceData,i=o.view;for(let a=0;a<n;++a){const e=s[a],t=16*a;i.globalTransform.copyFromTypedBuffer(e,r,t),o.updateModelTransform(e)}}_addDisposeResource(e){this._disposeResourceHandles.push(e)}async _createLodRenderer(e,r){const s=this.view.stage,t={layerViewUid:this.layerViewUid,graphicUid:e=>this._instanceIndexToFeatureId.get(e)??-1,notifyGraphicGeometryChanged:e=>1,notifyGraphicVisibilityChanged:e=>1},o=new n({symbol:e,optionalFields:this._optionalFields,metadata:t,shaderTransformation:null},this.scheduler);return o.slicePlaneEnabled=!1,this._addDisposeResource((()=>{s.removeRenderPlugin(o),o.destroy()})),await s.addRenderPlugin(o,r),o}};function c(e,r){const s=r.levels.map((r=>{const s=r.components.map((r=>{const s=e(r.materialId);if(!u(s))throw new Error("LodRenderer only supports DefaultMaterial");const t=new o(s,r.renderGeometryBuffer.data,r.renderGeometryBuffer.elementCount,r.boundingInfo);return new i(t)}));return new a(s,r.minScreenSpaceRadius)}));return new d(s)}function u(e){return null!=e&&"materialType"in e&&"default"===e.materialType}l=e([s("esri.views.3d.layers.graphics.pipeline.rendering.LodRenderer")],l);export{l as LodRenderer,u as isDefaultMaterial};