content/canvas/test/webgl-conformance/conformance/extensions/webgl-debug-shaders.html@6474c204b198 (annotated)
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.
| michael@0 | 1 | <!-- |
| michael@0 | 2 | Copyright (c) 2011 The Chromium Authors. All rights reserved. |
| michael@0 | 3 | Use of this source code is governed by a BSD-style license that can be |
| michael@0 | 4 | found in the LICENSE file. |
| michael@0 | 5 | --> |
| michael@0 | 6 | <!DOCTYPE html> |
| michael@0 | 7 | <html> |
| michael@0 | 8 | <head> |
| michael@0 | 9 | <meta charset="utf-8"> |
| michael@0 | 10 | <title>WebGL WebGL_debug_shaders Conformance Tests</title> |
| michael@0 | 11 | <link rel="stylesheet" href="../../resources/js-test-style.css"/> |
| michael@0 | 12 | <script src="../../resources/desktop-gl-constants.js" type="text/javascript"></script> |
| michael@0 | 13 | <script src="../../resources/js-test-pre.js"></script> |
| michael@0 | 14 | <script src="../resources/webgl-test.js"></script> |
| michael@0 | 15 | <script src="../resources/webgl-test-utils.js"></script> |
| michael@0 | 16 | </head> |
| michael@0 | 17 | <body> |
| michael@0 | 18 | <div id="description"></div> |
| michael@0 | 19 | <canvas id="canvas" style="width: 1px; height: 1px;"> </canvas> |
| michael@0 | 20 | <div id="console"></div> |
| michael@0 | 21 | <!-- Shaders for testing standard derivatives --> |
| michael@0 | 22 | |
| michael@0 | 23 | <script> |
| michael@0 | 24 | description("This test verifies the functionality of the WEBGL_debug_shaders extension, if it is available."); |
| michael@0 | 25 | |
| michael@0 | 26 | debug(""); |
| michael@0 | 27 | |
| michael@0 | 28 | var wtu = WebGLTestUtils; |
| michael@0 | 29 | var gl = wtu.create3DContext("canvas"); |
| michael@0 | 30 | var ext = null; |
| michael@0 | 31 | var shader = null; |
| michael@0 | 32 | |
| michael@0 | 33 | if (!gl) { |
| michael@0 | 34 | testFailed("WebGL context does not exist"); |
| michael@0 | 35 | } else { |
| michael@0 | 36 | testPassed("WebGL context exists"); |
| michael@0 | 37 | |
| michael@0 | 38 | // Query the extension and store globally so shouldBe can access it |
| michael@0 | 39 | ext = gl.getExtension("WEBGL_debug_shaders"); |
| michael@0 | 40 | if (!ext) { |
| michael@0 | 41 | testPassed("No WEBGL_debug_shaders support -- this is legal"); |
| michael@0 | 42 | |
| michael@0 | 43 | runSupportedTest(false); |
| michael@0 | 44 | } else { |
| michael@0 | 45 | testPassed("Successfully enabled WEBGL_debug_shaders extension"); |
| michael@0 | 46 | |
| michael@0 | 47 | runSupportedTest(true); |
| michael@0 | 48 | runTestEnabled(); |
| michael@0 | 49 | } |
| michael@0 | 50 | } |
| michael@0 | 51 | |
| michael@0 | 52 | function runSupportedTest(extensionEnabled) { |
| michael@0 | 53 | var supported = gl.getSupportedExtensions(); |
| michael@0 | 54 | if (supported.indexOf("WEBGL_debug_shaders") >= 0) { |
| michael@0 | 55 | if (extensionEnabled) { |
| michael@0 | 56 | testPassed("WEBGL_debug_shaders listed as supported and getExtension succeeded"); |
| michael@0 | 57 | } else { |
| michael@0 | 58 | testFailed("WEBGL_debug_shaders listed as supported but getExtension failed"); |
| michael@0 | 59 | } |
| michael@0 | 60 | } else { |
| michael@0 | 61 | if (extensionEnabled) { |
| michael@0 | 62 | testFailed("WEBGL_debug_shaders not listed as supported but getExtension succeeded"); |
| michael@0 | 63 | } else { |
| michael@0 | 64 | testPassed("WEBGL_debug_shaders not listed as supported and getExtension failed -- this is legal"); |
| michael@0 | 65 | } |
| michael@0 | 66 | } |
| michael@0 | 67 | } |
| michael@0 | 68 | |
| michael@0 | 69 | function runTestEnabled() { |
| michael@0 | 70 | debug("Testing function with extension enabled"); |
| michael@0 | 71 | |
| michael@0 | 72 | var source = "void main() { gl_FragColor = vec4(1.0, 0.0, 0.0, 1.0); }"; |
| michael@0 | 73 | |
| michael@0 | 74 | shader = gl.createShader(gl.FRAGMENT_SHADER); |
| michael@0 | 75 | |
| michael@0 | 76 | // if no source has been defined or compileShader() has not been called, |
| michael@0 | 77 | // getTranslatedShaderSource() should return an empty string. |
| michael@0 | 78 | shouldBe("ext.getTranslatedShaderSource(shader)", '""'); |
| michael@0 | 79 | gl.shaderSource(shader, source); |
| michael@0 | 80 | shouldBe("ext.getTranslatedShaderSource(shader)", '""'); |
| michael@0 | 81 | gl.compileShader(shader); |
| michael@0 | 82 | shouldBeTrue("gl.getShaderParameter(shader, gl.COMPILE_STATUS)"); |
| michael@0 | 83 | var translatedSource = ext.getTranslatedShaderSource(shader); |
| michael@0 | 84 | glErrorShouldBe(gl, gl.NO_ERROR, "No gl error should occur"); |
| michael@0 | 85 | if (translatedSource.length > 0) |
| michael@0 | 86 | testPassed("Successfully called getTranslatedShaderSource()"); |
| michael@0 | 87 | else |
| michael@0 | 88 | testFailed("Calling getTranslatedShaderSource() failed"); |
| michael@0 | 89 | } |
| michael@0 | 90 | |
| michael@0 | 91 | debug(""); |
| michael@0 | 92 | successfullyParsed = true; |
| michael@0 | 93 | </script> |
| michael@0 | 94 | <script>finishTest();</script> |
| michael@0 | 95 | |
| michael@0 | 96 | </body> |
| michael@0 | 97 | </html> |
