@arcgis/core/views/3d/webgl-engine/lib/edgeRendering/EdgeRenderer.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 e from"../../../../../core/PooledArray.js";import{transpose as r,invert as t}from"../../../../../core/libs/gl-matrix-2/math/mat3.js";import{create as s}from"../../../../../core/libs/gl-matrix-2/factories/mat3f32.js";import{set as i}from"../../../../../core/libs/gl-matrix-2/math/vec3.js";import{debugFlags as a}from"../../../support/debugFlags.js";import{TwoVectorPosition as o}from"../../core/util/TwoVectorPosition.js";import{EdgeDrawParameters as n}from"./EdgeShaderParameters.js";import{EdgeShaderTechnique as l}from"./EdgeShaderTechnique.js";import{EdgeShaderTechniqueConfiguration as d}from"./EdgeShaderTechniqueConfiguration.js";import{isLegacyTransform as h}from"./LegacyTransform.js";import{PrimitiveType as c}from"../../../../webgl/enums.js";const m=8,_=128,g={type:0,hasSlicePlane:!1,strokesTexture:null,legacy:!0,spherical:!0};class f{constructor(r,t,s){this.rctx=r,this._techniques=t,this._configuration=new d,this.refCount=0,this._renderables=new Set,this._sortedRenderables={0:{0:new e,1:new e},1:{0:new e,1:new e}},this._renderablesDirty=!1,this._drawParameters=new n,this._settings={...g,...s},this.key=f.getKey(this._settings.type,this._settings.hasSlicePlane,this._settings.legacy);const i=this._settings.strokesTexture.variants;this.writerSettings={variants:i,reducedPrecision:a.TESTS_DISABLE_OPTIMIZATIONS},this._configuration.legacy=this._settings.legacy,this._configuration.type=this._settings.type,this._configuration.silhouette=!1,this._configuration.hasSlicePlane=this._settings.hasSlicePlane,this._configuration.spherical=s.spherical}addRenderable(e){this._renderables.add(e),this._renderablesDirty=!0}removeRenderable(e){this._renderables.delete(e),this._renderablesDirty=!0}setRenderablesDirty(){this._renderablesDirty=!0}forEachRenderable(e,r){this._renderablesDirty&&this._sortRenderables();const t=this._sortedRenderables[r];t[0].forAll(e),t[1].forAll(e)}acquireTechnique(e,r){return this._lastOriginId=null,this._configuration.terrainDepthTest=e.terrainDepthTest,this._configuration.cullAboveTerrain=e.cullAboveTerrain,this._configuration.silhouette=r,this._techniques.get(l,this._configuration)}renderRegularEdges(e,r,t,s,i){this._render(e,r,r.regular.vao,t,s,i)}renderSilhouetteEdges(e,r,t,s,i){this._render(e,r,r.silhouette.vao,t,s,i)}_render(e,r,t,s,i,a){a>0&&(this._bindDraw(e,r,s,i),this.rctx.bindVAO(t),this.rctx.drawArraysInstanced(c.TRIANGLE_FAN,0,4,a))}_bindDraw(e,s,a,n){if(this._drawParameters.componentDataTextureBuffer=s.components.buffer.textureBuffer,this._drawParameters.strokesTexture=this._settings.strokesTexture,h(s.transform)){const{origin:r}=s.transform,t=r.origin.id;this._lastOriginId!==t&&(e.setUniformMatrix4fv("localView",r.viewMatrix),this._lastOriginId=t),e.setUniformMatrix4fv("model",s.transform.modelMatrix),this._drawParameters.slicePlaneLocalOrigin=r.origin.vec3}else{const e=new o(s.transform.position),a=r(u,t(u,s.transform.rotationScale));this._drawParameters.transformWorldFromModelTL=e.low,this._drawParameters.transformWorldFromModelTH=e.high,this._drawParameters.transformWorldFromModelRS=s.transform.rotationScale,this._drawParameters.transformNormalGlobalFromModel=a;const l=n.camera.viewInverseTransposeMatrix;i(this._drawParameters.slicePlaneLocalOrigin,l[3],l[7],l[11])}e.bindDraw(n,a,this._drawParameters)}_sortRenderables(){this._renderablesDirty=!1,this._sortedRenderables[0][0].clear(),this._sortedRenderables[0][1].clear(),this._sortedRenderables[1][0].clear(),this._sortedRenderables[1][1].clear(),this._renderables.forEach(e=>this._sortedRenderables[e.objectTransparency][e.edgeTransparency].push(e));const e=(e,r)=>h(e.transform)?h(r.transform)?e.transform.origin.origin.id<r.transform.origin.origin.id?-1:e.transform.origin.origin.id>r.transform.origin.origin.id?1:0:1:0;this._sortedRenderables[0][0].sort(e),this._sortedRenderables[0][1].sort(e),this._sortedRenderables[1][0].sort(e),this._sortedRenderables[1][1].sort(e)}static getKey(e,r,t){return`edges-t:${e}:${r}:${t}`}}const u=s();export{f as EdgeRenderer,_ as extensionLengthOffset,m as lineWidthFractionFactor};