@arcgis/core/views/2d/engine/webgl/shaderGraph/techniques/heatmap/HeatmapResources.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/Logger.js";import{disposeMaybe as r}from"../../../../../../../core/maybe.js";import{PixelType as t,TextureWrapMode as a,SizedDepthStencilFormat as i}from"../../../../../../webgl/enums.js";import{FramebufferObject as s}from"../../../../../../webgl/FramebufferObject.js";import{loadHeatmapTextureConfiguration as u}from"../../../../../../webgl/heatmapTextureUtils.js";import{RenderbufferDescriptor as l}from"../../../../../../webgl/RenderbufferDescriptor.js";import{Texture as o}from"../../../../../../webgl/Texture.js";import{TextureDescriptor as n}from"../../../../../../webgl/TextureDescriptor.js";const m=()=>e.getLogger("esri.views.2d.engine.webgl.shaderGraph.techniques.heatmap.HeatmapResources");class f{destroy(){this._accumulateFramebuffer=r(this._accumulateFramebuffer),this._resolveGradientTexture=r(this._resolveGradientTexture),this._prevGradientHash=null,this._qualityProfile=null}get initialized(){return null!=this._accumulateFramebuffer&&null!=this._resolveGradientTexture}get accumulateFramebuffer(){return this._accumulateFramebuffer}get resolveGradientTexture(){return this._resolveGradientTexture}loadQualityProfile(e){if(null==this._qualityProfile){const r=u(e,m());this._qualityProfile={...r,defines:{usesHalfFloatPrecision:r.dataType!==t.FLOAT}}}return this._qualityProfile}ensureAccumulateFBO(e,r,t){if(null==this._accumulateFramebuffer){const{dataType:u,samplingMode:o,pixelFormat:m,internalFormat:f}=this.loadQualityProfile(e),h=new n(r,t);h.pixelFormat=m,h.internalFormat=f,h.dataType=u,h.samplingMode=o,h.wrapMode=a.CLAMP_TO_EDGE;const c=new l(i.DEPTH24_STENCIL8,r,t);this._accumulateFramebuffer=new s(e,h,c)}else{const{width:e,height:a}=this._accumulateFramebuffer;e===r&&a===t||this._accumulateFramebuffer.resize(r,t)}return this._accumulateFramebuffer}ensureResolveGradientTexture(e,r,t){if(null==this._resolveGradientTexture){const r=new n;r.wrapMode=a.CLAMP_TO_EDGE,this._resolveGradientTexture=new o(e,r),this._prevGradientHash=null}return this._prevGradientHash!==r&&(this._resolveGradientTexture.resize(t.length/4,1),this._resolveGradientTexture.setData(t),this._prevGradientHash=r),this._resolveGradientTexture}}export{f as HeatmapResources};