content/canvas/test/reftest/webgl-clear-test.html@6474c204b198
content/canvas/test/reftest/webgl-clear-test.html
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
1 <!DOCTYPE html>
2 <html class="reftest-wait">
3 <head>
4 <meta charset="UTF-8">
6 <script type="text/javascript" src="webgl-utils.js"></script>
7 <script type="text/javascript">
8 /* Clear Test
9 *
10 * Clear the canvas to green to test that we get pixels to the screen.
11 */
13 "use strict";
15 function renderGL(gl) {
16 gl.clearColor(0.0, 1.0, 0.0, 1.0);
17 gl.clear(gl.COLOR_BUFFER_BIT);
18 gl.finish();
19 }
21 function renderFailure(canvas) {
22 // This will also trigger RAF for us.
23 var context = canvas.getContext("2d");
24 context.fillText('WebGL failed.', 64, 64);
25 }
27 function runTest() {
28 var canvas = document.getElementById("canvas");
29 var gl = initGL(canvas);
31 if (gl)
32 renderGL(gl);
33 else
34 renderFailure(canvas);
36 waitForComposite(testComplete);
37 }
39 function testComplete() {
40 document.documentElement.removeAttribute("class");
41 }
43 </script>
44 </head>
46 <body onload="rAF(runTest);">
47 <canvas id="canvas" width="256" height="256"></canvas>
48 </body>
50 </html>
