content/canvas/test/webgl-conformance/conformance/state/gl-geterror.html@141e0f1194b1
content/canvas/test/webgl-conformance/conformance/state/gl-geterror.html
Wed, 31 Dec 2014 07:16:47 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 07:16:47 +0100
- branch
- TOR_BUG_9701
- changeset 3
- 141e0f1194b1
- permissions
- -rw-r--r--
Revert simplistic fix pending revisit of Mozilla integration attempt.
1 <!--
2 Copyright (c) 2009 The Chromium Authors. All rights reserved.
3 Use of this source code is governed by a BSD-style license that can be
4 found in the LICENSE file.
5 -->
6 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
7 "http://www.w3.org/TR/html4/loose.dtd">
8 <html>
9 <head>
10 <title>WebGL get error conformance test.</title>
11 <link rel="stylesheet" href="../../resources/js-test-style.css"/>
12 <script src="../../resources/desktop-gl-constants.js" type="text/javascript"></script>
13 <script src="../../resources/js-test-pre.js"></script>
14 <script src="../resources/webgl-test.js"> </script>
15 <script src="../resources/webgl-test-utils.js"> </script>
16 </head>
17 <body>
18 <canvas id="example" width="1" height="1" style="width: 256px; height: 48px;"></canvas>
19 <div id="description"></div><div id="console"></div>
20 <script>
21 description("Test getError.");
22 var wtu = WebGLTestUtils;
23 var gl = wtu.create3DContext("example");
24 var tex = gl.createTexture();
25 gl.bindTexture(gl.TEXTURE_2D, tex);
27 gl.enable(desktopGL.ALPHA_TEST);
28 glErrorShouldBe(gl, gl.INVALID_ENUM, "should generate INVALID_ENUM");
29 gl.viewport(-1, -1, -1, -1);
30 glErrorShouldBe(gl, gl.INVALID_VALUE, "should generate INVALID_VALUE");
31 gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGB, 1, 1, 0, gl.RGBA, gl.UNSIGNED_BYTE, null);
32 glErrorShouldBe(gl, gl.INVALID_OPERATION, "should generate INVALID_OPERATION");
34 // Generate 2 errors of each type for 6 total possible errors.
35 // The OpenGL ES 2.0 spec section 2.5 says the implementation is allowed to
36 // either return the first error or many errors in an unspecied order.
37 gl.viewport(-1, -1, -1, -1);
38 gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGB, 1, 1, 0, gl.RGBA, gl.UNSIGNED_BYTE, null);
39 gl.enable(desktopGL.ALPHA_TEST);
40 gl.viewport(-1, -1, -1, -1);
41 gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGB, 1, 1, 0, gl.RGBA, gl.UNSIGNED_BYTE, null);
42 // Note: This error is specifically last because we know it will be synthasized
43 // by WebGL at least when implemented on top of Desktop OpenGL
44 gl.enable(desktopGL.ALPHA_TEST);
46 var err1 = gl.getError();
47 var err2 = gl.getError();
48 var err3 = gl.getError();
49 var err4 = gl.getError();
50 var err5 = gl.getError();
51 var err6 = gl.getError();
53 debug("");
54 if (err2 == gl.NO_ERROR) {
55 debug("This WebGL implementation looks like it uses the 'first error' method");
56 debug("There should be 1 error, the first one generated");
57 shouldBeTrue('err1 == gl.INVALID_VALUE && err2 == gl.NO_ERROR && err3 == gl.NO_ERROR');
58 } else {
59 debug("This WebGL implementation looks like it uses the many error method");
60 debug("Check is that at least one of the errors is the first error");
61 shouldBeTrue('err1 == gl.INVALID_VALUE || ' +
62 'err2 == gl.INVALID_VALUE || ' +
63 'err3 == gl.INVALID_VALUE || ' +
64 'err4 == gl.INVALID_VALUE || ' +
65 'err5 == gl.INVALID_VALUE || ' +
66 'err6 == gl.INVALID_VALUE');
67 shouldBeTrue('gl.getError() == gl.NO_ERROR');
68 }
70 debug("");
71 successfullyParsed = true;
72 </script>
73 <script>finishTest();</script>
74 </body>
75 </html>
