<!DOCTYPE html >
<meta charset='UTF-8' >
<!--
Clear the canvas to green and capture it to a stream to test that we can get
the stream to screen in a local video element .
-->
<html class="reftest-wait" >
<head >
<script type='text/javascript' src='webgl-utils.js' ></script >
<script type='text/javascript' >
'use strict' ;
function setStatus(text) {
var elem = document.getElementById('status' );
elem.innerHTML = text;
}
function finished() {
document.documentElement.removeAttribute("class" );
}
function runTest() {
var canvas = document.getElementById('canvas' );
var gl = initGL(canvas );
if (!gl) {
setStatus('WebGL context creation failed.' );
return;
}
gl.clearColor(0 .0 , 1 .0 , 0 .0 , 1 .0 );
gl.clear(gl.COLOR_BUFFER_BIT);
var video = document.getElementById('video' );
video .srcObject = canvas .captureStream(0 );
video .play();
video .onloadeddata = finished;
video .onerror = finished;
}
</script >
</head >
<body onload='runTest();' >
<video id='video' width='256' height='256' ></video >
<canvas id='canvas' width='256' height='256' style ="display:none" ></canvas >
<div id='status' ></div >
</body >
</html >
Messung V0.5 in Prozent C=100 H=100 G=100
¤ Dauer der Verarbeitung: 0.17 Sekunden
(vorverarbeitet am 2026-06-10)
¤
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