22 lines
1.4 KiB
JavaScript
22 lines
1.4 KiB
JavaScript
import puppeteer from 'puppeteer';
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const b = await puppeteer.launch({ args:['--no-sandbox','--disable-setuid-sandbox','--use-gl=angle','--enable-unsafe-swiftshader','--ignore-gpu-blocklist'] });
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const p = await b.newPage();
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await p.setViewport({width:1100,height:1300});
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await p.goto('http://10.200.201.3:4175/_lab/neu-card.html',{waitUntil:'load',timeout:60000});
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await new Promise(r=>setTimeout(r,1200));
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const r = await p.evaluate(()=>{
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const m=document.querySelector('[data-shader-demo] .card-shader').paperShaderMount;
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const gl=m.gl;
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// два render (drawArrays инициализируется лениво на 1-м)
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m.render(performance.now()); m.render(performance.now());
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const W=m.canvasElement.width, H=m.canvasElement.height;
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const buf=new Uint8Array(W*H*4); gl.readPixels(0,0,W,H,gl.RGBA,gl.UNSIGNED_BYTE,buf);
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let bright=0, maxc=0;
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for(let i=0;i<buf.length;i+=4){ const r=buf[i],g=buf[i+1],bl=buf[i+2]; const mx=Math.max(r,g,bl); if(mx>120) bright++; maxc=Math.max(maxc,mx); }
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const cntLoc=gl.getUniformLocation(m.program,'u_colorsCount'); const cv=new Float32Array(1); gl.getUniform(m.program,cntLoc,cv);
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const c0=new Float32Array(4); gl.getUniform(m.program,gl.getUniformLocation(m.program,'u_colors[0]'),c0);
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return { brightPixels: bright, maxChannel: maxc, uColorsCountFloat: cv[0], uColor0: Array.from(c0).map(x=>+x.toFixed(2)) };
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});
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console.log(JSON.stringify(r,null,1));
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await b.close();
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