import{a as e,d as t,h as n,l as r,n as i,o as a,s as o,u as s}from"./index-BYcEjj7E.js";var c=class{renderer;background;targetA=new n(1,1,{type:e});targetB=new n(1,1,{type:e});blitMaterial=new o({toneMapped:!1,depthTest:!1,depthWrite:!1});blit=new a(new s(2,2),this.blitMaterial);blitScene=new t;blitCamera=new r(-1,1,1,-1,0,1);disposed=!1;constructor(e,t){this.renderer=e,this.background=t,this.blitScene.add(this.blit)}resize(e,t){for(let n of[this.targetA,this.targetB])(n.width!==e||n.height!==t)&&n.setSize(e,t)}composite(e,t){this.renderer.setRenderTarget(null),this.renderer.setScissorTest(!1);let n=this.renderer.getClearColor(new i),r=this.renderer.getClearAlpha();this.renderer.setClearColor(this.background,1),this.renderer.clear(),this.renderer.setClearColor(n,r),this.renderer.setScissorTest(!0);try{for(let n=0;n<e.length;n++){let r=e[n];this.renderer.setViewport(r.x,t-r.y-r.height,r.width,r.height),this.renderer.setScissor(r.x,t-r.y-r.height,r.width,r.height),this.blitMaterial.map=n===0?this.targetA.texture:this.targetB.texture,this.renderer.render(this.blitScene,this.blitCamera)}}finally{this.renderer.setScissorTest(!1),this.renderer.setViewport(0,0,this.renderer.domElement.clientWidth,t)}}dispose(){this.disposed||(this.disposed=!0,this.renderer.getContext().isContextLost()||(this.renderer.setRenderTarget(null),this.renderer.setScissorTest(!1)),this.targetA.dispose(),this.targetB.dispose(),this.blit.geometry.dispose(),this.blitMaterial.dispose(),this.blitScene.clear())}};export{c as PhysicalGlassComparison};