test_webgl_high_power.html

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<!DOCTYPE HTML>

<html>

  <head>

    <meta charset='utf-8'/>

    <title>WebGL test: creation with powerPreference "high-performance" succeeds.</title>

    <script src="/tests/SimpleTest/SimpleTest.js"></script>

    <link rel="stylesheet" href="/tests/SimpleTest/test.css">

  </head>

  <body>

    <script>

'use strict';

const canvas = document.createElement('canvas');

const attrs = { powerPreference: 'high-performance' };

const gl = canvas.getContext('webgl2', attrs) || canvas.getContext('webgl', attrs);

ok(gl, 'WebGL creation with powerPreference: "high-performance" should succeed.');

    </script>

  </body>

</html>