@arcgis/core/views/3d/webgl-engine/core/FBOCache.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 e from"../../../../core/Error.js";import{ManagedColorAttachment as t}from"../../webgl/ManagedColorAttachment.js";import{ManagedDepthTexture as r}from"../../webgl/ManagedDepthTexture.js";import a from"../../webgl/ManagedFBO.js";import{ColorFormat as c,isDepthFormat as h,DepthTextureFormats as i,ColorFormats as o,DepthFormat as n}from"./FBOCacheFormats.js";import{FBOPool as s}from"./FBOPool.js";import{DepthStencilAttachment as l,ColorAttachment0 as u}from"../../../webgl/enums.js";import{FramebufferObject as m}from"../../../webgl/FramebufferObject.js";import{Texture as d}from"../../../webgl/Texture.js";class f{constructor(e){this.rctx=e,this._interactive=!1,this._acquired=new Set,this._cache=new s(e.newCache,"FBOCache"),this._depthCache=new s(e.newCache,"DepthAttachmentCache"),this._colorCache=new s(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?.()}frameEnd(){const{debugCallback:e}=this;e&&this._acquired.forEach((t=>e(t.name,t.fbo)))}get usedMemory(){return Array.from(this._acquired.values()).reduce(((e,t)=>e+t.cachedMemory),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,r,i,o=c.RGBA8UNORM){const s=w(o,t,r);let d=this._cache.pop(s);const{rctx:f}=this;if(d){d.retain(),d.setName(i);const t=d.getAttachment(l);t&&(t.name=_(i));const r=d.getAttachment(u);r&&(r.name=p(i,0));const{fbo:a}=d;if(!a)throw new e("renderer","attempt to use a none existing framebuffer");f.temporaryBindFramebufferObject(a,(()=>{f.setDrawBuffers([u]),f.unbindTexture(a.colorTexture)}))}else{const e=new m(f),C=(e,a,h)=>{a??=c.RGBA8UNORM;const i=this._acquireColor(a,t,r,h??p(d.name,e-u));return this.rctx.unbindTexture(i.attachment),d.attachColor(i,e),i.release(),d},w=e=>{e??=n.DEPTH24_STENCIL8;const a=this.acquireDepth(e,t,r,_(d.name));return d.attachDepth(a),a.release(),d},b=()=>{this.debugCallback?.(d.name,d.fbo),this._acquired.delete(d);const e=h(o);e&&null!=d?.getAttachment(l)||!e&&null!=d?.getAttachment(u)?(e?(d.fbo?.invalidateAttachments([l]),d.detachAllColors()):(d.fbo?.invalidateAttachments([u]),d.detachAllButColor0()),this._cache.put(d)):d?.dispose()};d=new a(s,i,e,C,w,b),h(o)?d.acquireDepth(o):d.acquireColor(u,o,i)}return this._trackHandle(d)}acquireDepth(e,t,a,c){const h=w(e,t,a);let o=this._depthCache.pop(h);if(o)o.retain(),o.attachment.setShadowFiltering(!1);else{const c=new d(this.rctx,{...i[e],width:t,height:a});o=new r(h,c,(()=>this._depthCache.put(o)))}return o.name=c,o}_acquireColor(e,r,a,c){const h=w(e,r,a);let i=this._colorCache.pop(h);if(i)i.retain();else{const c=new d(this.rctx,{...o[e],width:r,height:a});i=new t(h,c,(()=>this._colorCache.put(i)))}return i.name=c,i}_trackHandle(e){return this._acquired.add(e),e}}function p(e,t=0){return`${e}.color${t}`}function _(e){return`${e}.depth`}const C=new a("default","default",null,(()=>C),(()=>C),(()=>{}));function w(e,t,r){return`${t}x${r}:${e}`}C.release=()=>!1;export{f as FBOCache,C as defaultWebGLFBO};