content/canvas/test/webgl-conformance/conformance/extensions/webgl-debug-shaders.html@6474c204b198
content/canvas/test/webgl-conformance/conformance/extensions/webgl-debug-shaders.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 <!--
2 Copyright (c) 2011 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>
7 <html>
8 <head>
9 <meta charset="utf-8">
10 <title>WebGL WebGL_debug_shaders Conformance Tests</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 <div id="description"></div>
19 <canvas id="canvas" style="width: 1px; height: 1px;"> </canvas>
20 <div id="console"></div>
21 <!-- Shaders for testing standard derivatives -->
23 <script>
24 description("This test verifies the functionality of the WEBGL_debug_shaders extension, if it is available.");
26 debug("");
28 var wtu = WebGLTestUtils;
29 var gl = wtu.create3DContext("canvas");
30 var ext = null;
31 var shader = null;
33 if (!gl) {
34 testFailed("WebGL context does not exist");
35 } else {
36 testPassed("WebGL context exists");
38 // Query the extension and store globally so shouldBe can access it
39 ext = gl.getExtension("WEBGL_debug_shaders");
40 if (!ext) {
41 testPassed("No WEBGL_debug_shaders support -- this is legal");
43 runSupportedTest(false);
44 } else {
45 testPassed("Successfully enabled WEBGL_debug_shaders extension");
47 runSupportedTest(true);
48 runTestEnabled();
49 }
50 }
52 function runSupportedTest(extensionEnabled) {
53 var supported = gl.getSupportedExtensions();
54 if (supported.indexOf("WEBGL_debug_shaders") >= 0) {
55 if (extensionEnabled) {
56 testPassed("WEBGL_debug_shaders listed as supported and getExtension succeeded");
57 } else {
58 testFailed("WEBGL_debug_shaders listed as supported but getExtension failed");
59 }
60 } else {
61 if (extensionEnabled) {
62 testFailed("WEBGL_debug_shaders not listed as supported but getExtension succeeded");
63 } else {
64 testPassed("WEBGL_debug_shaders not listed as supported and getExtension failed -- this is legal");
65 }
66 }
67 }
69 function runTestEnabled() {
70 debug("Testing function with extension enabled");
72 var source = "void main() { gl_FragColor = vec4(1.0, 0.0, 0.0, 1.0); }";
74 shader = gl.createShader(gl.FRAGMENT_SHADER);
76 // if no source has been defined or compileShader() has not been called,
77 // getTranslatedShaderSource() should return an empty string.
78 shouldBe("ext.getTranslatedShaderSource(shader)", '""');
79 gl.shaderSource(shader, source);
80 shouldBe("ext.getTranslatedShaderSource(shader)", '""');
81 gl.compileShader(shader);
82 shouldBeTrue("gl.getShaderParameter(shader, gl.COMPILE_STATUS)");
83 var translatedSource = ext.getTranslatedShaderSource(shader);
84 glErrorShouldBe(gl, gl.NO_ERROR, "No gl error should occur");
85 if (translatedSource.length > 0)
86 testPassed("Successfully called getTranslatedShaderSource()");
87 else
88 testFailed("Calling getTranslatedShaderSource() failed");
89 }
91 debug("");
92 successfullyParsed = true;
93 </script>
94 <script>finishTest();</script>
96 </body>
97 </html>
