@arcgis/core/views/3d/webgl-engine/core/FBOCache.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"../../../../core/has.js";import e from"../../../../core/Logger.js";import t from"../../webgl/ManagedColorAttachment.js";import{ManagedDepthTexture as a}from"../../webgl/ManagedDepthTexture.js";import r from"../../webgl/ManagedFBO.js";import{isDepthFormat as c,formatString as h,DepthTextureFormats as s,ColorFormats as i}from"./FBOCacheFormats.js";import{FBOPool as o}from"./FBOPool.js";import{DepthStencilAttachment as n,ColorAttachment0 as l}from"../../../webgl/enums.js";import{FramebufferObject as u}from"../../../webgl/FramebufferObject.js";import m from"../../../webgl/Texture.js";class d{constructor(e){this.rctx=e,this._interactive=!1,this._usage=new Map,this._acquired=new Set,this._cache=new o(e.newCache,"FBOCache"),this._depthCache=new o(e.newCache,"DepthAttachmentCache"),this._colorCache=new o(e.newCache,"ColorAttachmentCache")}destroy(){this._cache.destroy(),this._depthCache.destroy(),this._colorCache.destroy()}clean(){this._cache.clean(),this._colorCache.clean(),this._depthCache.clean()}frameStart(){this._cache.frame(),this._colorCache.frame(),this._depthCache.frame(),this.debugCallback?.(),this._usage.clear()}frameEnd(){const{debugCallback:e}=this;e&&this._acquired.forEach(t=>e(t.name,t.fbo,this._usage))}get usedMemory(){return Array.from(this._acquired.values()).reduce((e,t)=>e+t.usedMemory,this._cache.usedMemory+this._colorCache.usedMemory+this._depthCache.usedMemory)}set interactive(e){this._cache.interactive=this._colorCache.interactive=this._depthCache.interactive=e,this._interactive=e}get interactive(){return this._interactive}acquire(t,a,s,i=5){const o=f(i,t,a);let m=this._cache.pop(o);const{rctx:d}=this;if(m){m.retain(),m.setName(s);const t=m.getAttachment(n);t&&(t.name=g);const a=m.getAttachment(l);a&&(a.name=_(0));const r=m.fbo;r?d.temporaryBindFramebufferObject(r,()=>{d.setDrawBuffers([l]),d.unbindTexture(r.colorTexture)}):e.getLogger("esri.views.3d.webgl-engine.core.FBOCache").errorOnce("Encountered an invalid cached framebuffer")}else{const e=new u(d),h=(e,r,c)=>{r??=5;const h=this._acquireColor(r,t,a,c??_(e-l));return this.rctx.unbindTexture(h.attachment),m.attachColor(h,e),h.release(),m},p=e=>{e??=14;const r=this.acquireDepth(e,t,a,g);return m.attachDepth(r),r.release(),m},f=()=>{if(!m)return;this.debugCallback?.(m.name,m.fbo),this._acquired.delete(m);const e=c(i);e&&null!=m.getAttachment(n)||!e&&null!=m.getAttachment(l)?(e?(m.fbo?.invalidateAttachments([n]),m.detachAllColors()):(m.fbo?.invalidateAttachments([l]),m.detachAllButColor0()),this._cache.put(m)):m.dispose()};m=new r(o,s,e,h,p,f),c(i)?m.acquireDepth(i):m.acquireColor(l,i)}return this._trackUsage(m,"fbo "+h(i),t,a),this._trackHandle(m)}acquireDepth(e,t,r,c){const i=f(e,t,r);let o=this._depthCache.pop(i);if(o)o.retain(),o.attachment.setShadowFiltering(!1);else{const c=new m(this.rctx,{...s[e],width:t,height:r});o=new a(i,c,()=>this._depthCache.put(o))}return o.name=c,this._trackUsage(o,"depth "+h(e),t,r),o}_acquireColor(e,a,r,c){const s=f(e,a,r);let o=this._colorCache.pop(s);if(o)o.retain();else{const c=new m(this.rctx,{...i[e],width:a,height:r,isImmutable:!0});o=new t(s,c,()=>this._colorCache.put(o))}return o.name=c,this._trackUsage(o,"color "+h(e),a,r),o}_trackHandle(e){return this._acquired.add(e),e}_trackUsage(e,t,a,r){this.debugCallback&&(this._usage.has(e)?this._usage.get(e)[2].push(e.name):this._usage.set(e,[t,`${a}x${r}`,[e.name]]))}get test(){return null}}function _(e=0){return`color${e}`}const g="depth",p=new r("default","default",null,()=>p,()=>p,()=>{});function f(e,t,a){return`${t}x${a}:${e}`}p.release=()=>!1;export{d as FBOCache,p as defaultWebGLFBO};