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comparison: content/canvas/test/webgl-conformance/conformance/extensions/webgl-debug-shaders.html
content/canvas/test/webgl-conformance/conformance/extensions/webgl-debug-shaders.html
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| 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 --> | |
| 22 | |
| 23 <script> | |
| 24 description("This test verifies the functionality of the WEBGL_debug_shaders extension, if it is available."); | |
| 25 | |
| 26 debug(""); | |
| 27 | |
| 28 var wtu = WebGLTestUtils; | |
| 29 var gl = wtu.create3DContext("canvas"); | |
| 30 var ext = null; | |
| 31 var shader = null; | |
| 32 | |
| 33 if (!gl) { | |
| 34 testFailed("WebGL context does not exist"); | |
| 35 } else { | |
| 36 testPassed("WebGL context exists"); | |
| 37 | |
| 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"); | |
| 42 | |
| 43 runSupportedTest(false); | |
| 44 } else { | |
| 45 testPassed("Successfully enabled WEBGL_debug_shaders extension"); | |
| 46 | |
| 47 runSupportedTest(true); | |
| 48 runTestEnabled(); | |
| 49 } | |
| 50 } | |
| 51 | |
| 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 } | |
| 68 | |
| 69 function runTestEnabled() { | |
| 70 debug("Testing function with extension enabled"); | |
| 71 | |
| 72 var source = "void main() { gl_FragColor = vec4(1.0, 0.0, 0.0, 1.0); }"; | |
| 73 | |
| 74 shader = gl.createShader(gl.FRAGMENT_SHADER); | |
| 75 | |
| 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 } | |
| 90 | |
| 91 debug(""); | |
| 92 successfullyParsed = true; | |
| 93 </script> | |
| 94 <script>finishTest();</script> | |
| 95 | |
| 96 </body> | |
| 97 </html> |
