25 lines
1.4 KiB
JavaScript
25 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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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];
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gl.useProgram(m.program);
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gl.uniform4fv(gl.getUniformLocation(m.program,'u_colors'), new Float32Array(flat));
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gl.uniform1f(gl.getUniformLocation(m.program,'u_colorsCount'),4);
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gl.drawArrays(gl.TRIANGLES,0,6);
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const W=m.canvasElement.width,H=m.canvasElement.height;
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const pts=[[100,100],[360,100],[620,100],[100,220],[360,220],[620,220],[100,340],[360,340],[620,340]];
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const out=pts.map(([x,y])=>{const px=new Uint8Array(4);gl.readPixels(x,y,1,1,gl.RGBA,gl.UNSIGNED_BYTE,px);return [x,y,Array.from(px)];});
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// макс яркость по всему canvas
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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 maxc=0; for(let i=0;i<buf.length;i++) maxc=Math.max(maxc,buf[i]);
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return { samples:out, maxChannel:maxc };
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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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