import puppeteer from 'puppeteer';
const b = await puppeteer.launch({ args:['--no-sandbox','--disable-setuid-sandbox','--use-gl=angle','--enable-unsafe-swiftshader','--ignore-gpu-blocklist'] });
const p = await b.newPage();
await p.setViewport({width:1100,height:1300});
await p.goto('http://10.200.201.3:4175/_lab/neu-card.html',{waitUntil:'load',timeout:60000});
await new Promise(r=>setTimeout(r,1200));
await p.evaluate(()=>document.querySelector('[data-shader-demo]').scrollIntoView({block:'center'}));
await new Promise(r=>setTimeout(r,500));
const r = await p.evaluate(()=>{
  const wrap=document.querySelector('[data-shader-demo] .card-shader');
  const m=wrap.paperShaderMount; const cv=wrap.querySelector('canvas');
  const gl=cv.getContext('webgl2',{preserveDrawingBuffer:true})||cv.getContext('webgl',{preserveDrawingBuffer:true});
  const read=()=>{ const a=new Uint8Array(4); gl.readPixels(cv.width/2|0,cv.height/2|0,1,1,gl.RGBA,gl.UNSIGNED_BYTE,a); return Array.from(a); };
  m.render(0); const t0=read();
  m.render(3000); const t1=read();
  m.render(8000); const t2=read();
  return { t0, t1, t2 };
});
console.log(JSON.stringify(r,null,1));
await b.close();