content/canvas/test/webgl-mochitest/test_fb_param.html@6474c204b198
content/canvas/test/webgl-mochitest/test_fb_param.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 <title>WebGL test: bug 958491</title>
3 <script src="/tests/SimpleTest/SimpleTest.js"></script>
4 <link rel="stylesheet" href="/tests/SimpleTest/test.css">
5 <script src="driver-info.js"></script>
6 <script src="webgl-util.js"></script>
7 <body>
8 <canvas id="c"></canvas>
9 <script>
11 // Give ourselves a scope to return early from:
12 (function() {
13 var gl = WebGLUtil.getWebGL('c');
14 if (!gl) {
15 todo(false, 'WebGL is unavailable.');
16 return;
17 }
19 // Catch actual WebGLUtil errors, not GL errors.
20 function errorFunc(str) {
21 ok(false, 'Error: ' + str);
22 }
23 WebGLUtil.setErrorFunc(errorFunc);
25 function checkGLError(func, info, reference) {
26 var error = gl.getError();
27 var prefix = info ? ('[' + info + '] ') : '';
28 var text = 'gl.getError should be 0x' + reference.toString(16) +
29 ', was 0x' + error.toString(16) + '.';
30 func(error == reference, prefix + text);
31 }
33 // Begin test:
34 var rb = gl.createRenderbuffer();
35 gl.bindRenderbuffer(gl.RENDERBUFFER, rb);
36 gl.renderbufferStorage(gl.RENDERBUFFER, gl.RGBA4, 4, 4);
38 var fb = gl.createFramebuffer();
39 gl.bindFramebuffer(gl.FRAMEBUFFER, fb);
40 gl.framebufferRenderbuffer(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0,
41 gl.RENDERBUFFER, rb);
43 checkGLError(ok, 'before bad param query', 0);
45 var GL_FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING = 0x8210;
46 var result = gl.getFramebufferAttachmentParameter(gl.FRAMEBUFFER,
47 gl.COLOR_ATTACHMENT0,
48 GL_FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING);
50 checkGLError(ok, 'after bad param query', gl.INVALID_ENUM);
51 })();
53 </script>
