content/canvas/test/chrome/test_webgl_debug_renderer_info.html@6474c204b198
content/canvas/test/chrome/test_webgl_debug_renderer_info.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>
3 <!--
4 https://bugzilla.mozilla.org/show_bug.cgi?id=666446
5 -->
6 <head>
7 <title>Test for WEBGL_debug_renderer_info chrome-only extension</title>
8 <script type="application/javascript" src="chrome://mochikit/content/MochiKit/packed.js"></script>
9 <script type="application/javascript" src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
10 <link rel="stylesheet" type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css" />
11 </head>
12 <body>
14 <pre id="test">
15 <script>
17 const UNMASKED_VENDOR_WEBGL = 0x9245;
18 const UNMASKED_RENDERER_WEBGL = 0x9246;
20 function isNonEmptyString(s)
21 {
22 return s && (typeof s) == "string";
23 }
25 function messageListener(e) {
26 if (e.data.allTestsFinished) {
27 SimpleTest.finish();
28 } else if (e.data.subTestFinished) {
29 ok(e.data.result, "content iframe: " + e.data.message);
30 }
31 }
33 function checkChromeCase(canvas) {
35 var gl = canvas.getContext("experimental-webgl");
36 ok(!gl.getError(), "getError on newly created WebGL context should return NO_ERROR");
38 ok(!gl.getParameter(UNMASKED_VENDOR_WEBGL) && gl.getError() == gl.INVALID_ENUM,
39 "Should not be able to query UNMASKED_VENDOR_WEBGL without having enabled the WEBGL_debug_renderer_info extension");
40 ok(!gl.getParameter(UNMASKED_RENDERER_WEBGL) && gl.getError() == gl.INVALID_ENUM,
41 "Should not be able to query UNMASKED_RENDERER_WEBGL without having enabled the WEBGL_debug_renderer_info extension");
43 var exts = gl.getSupportedExtensions();
44 ok(exts.indexOf("WEBGL_debug_renderer_info") != -1,
45 "WEBGL_debug_renderer_info should be listed by getSupportedExtensions in chrome contexts");
46 var debugRendererInfoExtension = gl.getExtension("WEBGL_debug_renderer_info");
47 ok(debugRendererInfoExtension,
48 "WEBGL_debug_renderer_info should be available through getExtension in chrome contexts");
50 ok(debugRendererInfoExtension.UNMASKED_VENDOR_WEBGL == UNMASKED_VENDOR_WEBGL,
51 "UNMASKED_VENDOR_WEBGL has the correct value");
52 ok(debugRendererInfoExtension.UNMASKED_RENDERER_WEBGL == UNMASKED_RENDERER_WEBGL,
53 "UNMASKED_RENDERER_WEBGL has the correct value");
55 ok(isNonEmptyString(gl.getParameter(UNMASKED_VENDOR_WEBGL)) && gl.getError() == gl.NO_ERROR,
56 "Should be able to query UNMASKED_VENDOR_WEBGL in chrome context with WEBGL_debug_renderer_info enabled");
57 ok(isNonEmptyString(gl.getParameter(UNMASKED_RENDERER_WEBGL)) && gl.getError() == gl.NO_ERROR,
58 "Should be able to query UNMASKED_RENDERER_WEBGL in chrome context with WEBGL_debug_renderer_info enabled");
59 }
61 function main()
62 {
63 SimpleTest.waitForExplicitFinish();
65 checkChromeCase(document.createElement("canvas"));
67 // Now run the non-chrome code to verify the security of this WebGL chrome-only extension.
69 var iframe = document.createElement("iframe");
70 iframe.src = "http://mochi.test:8888/chrome/content/canvas/test/chrome/nonchrome_webgl_debug_renderer_info.html";
72 iframe.onload = function () {
74 // test that chrome can get WEBGL_debug_renderer_info on a canvas on the iframe...
75 // this is useful to check in itself, and is also useful so the subsequent non-chrome test
76 // will also test that doing so doesn't confuse our chrome-only check.
77 checkChromeCase(iframe.contentDocument.createElement("canvas"));
79 iframe.contentWindow.addEventListener("message", messageListener, false);
80 iframe.contentWindow.postMessage("run", "*");
81 };
83 document.body.appendChild(iframe);
84 }
86 window.onload = main;
87 </script>
88 </pre>
89 </body>
90 </html>
