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,800));
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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 подряд, потому что drawArrays инициализируется лениво на 1-м вызове
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m.render(performance.now()); m.render(performance.now());
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const px=new Uint8Array(4); gl.readPixels(Math.floor(m.canvasElement.width/2), Math.floor(m.canvasElement.height/2),1,1,gl.RGBA,gl.UNSIGNED_BYTE,px);
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// и с разным временем
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m.setFrame(0); m.render(performance.now()); m.render(performance.now());
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const px0=new Uint8Array(4); gl.readPixels(50,50,1,1,gl.RGBA,gl.UNSIGNED_BYTE,px0);
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m.setFrame(10000); m.render(performance.now()); m.render(performance.now());
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const px1=new Uint8Array(4); gl.readPixels(50,50,1,1,gl.RGBA,gl.UNSIGNED_BYTE,px1);
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return { centerAfter2: Array.from(px), at0: Array.from(px0), at10000: Array.from(px1) };
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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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