his,e=null,n=0,i=!1,r=!1,a=new yn,o=new Xt,l={value:null,needsUpdate:!1};this.uniform=l,this.numPlanes=0,this.numIntersection=0,this.init=function(d,u){let f=d.length!==0||u||n!==0||i;return i=u,n=d.length,f},this.beginShadows=function(){r=!0,h(null)},this.endShadows=function(){r=!1},this.setGlobalState=function(d,u){e=h(d,u,0)},this.setState=function(d,u,f){let p=d.clippingPlanes,_=d.clipIntersection,g=d.clipShadows,m=s.get(d);if(!i||p===null||p.length===0||r&&!g)r?h(null):c();else{let S=r?0:n,b=S*4,x=m.clippingState||null;l.value=x,x=h(p,u,b,f);for(let E=0;E!==b;++E)x[E]=e[E];m.clippingState=x,this.numIntersection=_?this.numPlanes:0,this.numPlanes+=S}};function c(){l.value!==e&&(l.value=e,l.needsUpdate=n>0),t.numPlanes=n,t.numIntersection=0}function h(d,u,f,p){let _=d!==null?d.length:0,g=null;if(_!==0){if(g=l.value,p!==!0||g===null){let m=f+_*4,S=u.matrixWorldInverse;o.getNormalMatrix(S),(g===null||g.length0&&this._blur(l,0,0,e),this._applyPMREM(l),this._cleanup(l),l}fromEquirectangular(t,e=null){return this._fromTexture(t,e)}fromCubemap(t,e=null){return this._fromTexture(t,e)}compileCubemapShader(){this._cubemapMaterial===null&&(this._cubemapMaterial=Dp(),this._compileMaterial(this._cubemapMaterial))}compileEquirectangularShader(){this._equirectMaterial===null&&(this._equirectMaterial=Lp(),this._compileMaterial(this._equirectMaterial))}dispose(){this._dispose(),this._cubemapMaterial!==null&&this._cubemapMaterial.dispose(),this._equirectMaterial!==null&&this._equirectMaterial.dispose(),this._backgroundBox!==null&&(this._backgroundBox.geometry.dispose(),this._backgroundBox.material.dispose())}_setSize(t){this._lodMax=Math.floor(Math.log2(t)),this._cubeSize=Math.pow(2,this._lodMax)}_dispose(){this._blurMaterial!==null&&this._blurMaterial.dispose(),this._ggxMaterial!==null&&this._ggxMaterial.dispose(),this._pingPongRenderTarget!==null&&this._pingPongRenderTarget.dispose();for(let t=0;t2?E:0,E,E),d.setRenderTarget(i),m&&d.render(_,l),d.render(t,l)}