@arcgis/core/views/3d/webgl-engine/lib/MainFramebuffer.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{releaseMaybe as e}from"../../../../core/maybe.js";import{c as t}from"../../../../chunks/vec42.js";import{ZEROS as i}from"../../../../core/libs/gl-matrix-2/factories/vec4f32.js";import{create as s}from"../../../../core/libs/gl-matrix-2/factories/vec4f64.js";import{ColorFormat as r,DepthFormat as o}from"../core/FBOCacheFormats.js";import{ViewportSize as h}from"./BindParameters.js";import{FramebufferBit as c,ColorAttachment1 as l}from"../../../webgl/enums.js";import{ensureAttachmentMaxSize as _}from"../../../webgl/FramebufferObject.js";class a{constructor(e){this._fbos=e,this._requiresEmission=!1,this._size=new h(0,0),this._clearColor=s()}dispose(){this._color=e(this._color),this.releaseDepth()}initialize(e,i,s,r){this._size.width=e,this._size.height=i,_(this._size,this._fbos.rctx.parameters.maxTextureSize);const o=this._color;return this._color=null,this.releaseDepth(),this._requiresEmission=r,t(this._clearColor,s),o}releaseDepth(){this._color?.detachDepth(),this._depth=e(this._depth)}update(e){const t=this._ensureColor();t.attachDepth(this.depth),this._color=e(t)}bind(){const{rctx:e}=this._fbos,t=null==this._color;this.color.attachDepth(this.depth),e.bindFramebuffer(this.color.fbo),t&&(e.setClearStencil(0),e.setClearColor(this._clearColor[0],this._clearColor[1],this._clearColor[2],this._clearColor[3]),e.clear(c.COLOR|c.DEPTH|c.STENCIL),this._requiresEmission&&e.clearBuffer(1,i))}_acquireColor(){return this._requiresEmission?this._fbos.acquire(this._size.width,this._size.height,"acquired-color").acquireColor(l,r.RGBA16FLOAT,"emissive"):this._fbos.acquire(this._size.width,this._size.height,"acquired-color")}_acquireDepth(){return this._fbos.acquireDepth(o.DEPTH24_STENCIL8,this._size.width,this._size.height,"depth")}get size(){return this._size}get color(){return this._ensureColor()}get depth(){return this._depth??=this._acquireDepth(),this._depth}_ensureColor(){return this._color??=this._acquireColor(),this._color}}export{a as MainFramebuffer};