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));
const r = await p.evaluate(()=>{
  const m=document.querySelector('[data-shader-demo] .card-shader').paperShaderMount;
  const gl=m.gl;
  const loc0 = gl.getUniformLocation(m.program, 'u_colors');
  const locB = gl.getUniformLocation(m.program, 'u_colors[0]');
  // вручную зададим 4 цвета vec4
  const flat = [0.486,0.361,1,1, 0,0.761,0.78,1, 1,0.361,0.541,1, 1,0.702,0.278,1];
  gl.useProgram(m.program);
  if (loc0) gl.uniform4fv(loc0, flat); else if (locB) gl.uniform4fv(locB, flat);
  gl.drawArrays(gl.TRIANGLES,0,6);
  const px=new Uint8Array(4); gl.readPixels(360,220,1,1,gl.RGBA,gl.UNSIGNED_BYTE,px);
  return { loc0null: loc0===null, locBnull: locB===null, centerAfterManual: Array.from(px) };
});
console.log(JSON.stringify(r,null,1));
await b.close();