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| 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"></scri
pt> | |
| 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 canvas = document.getElementById("example"); | |
| 24 var gl = wtu.create3DContext(canvas); | |
| 25 var tex = gl.createTexture(); | |
| 26 gl.bindTexture(gl.TEXTURE_2D, tex); | |
| 27 | |
| 28 gl.enable(desktopGL.ALPHA_TEST); | |
| 29 glErrorShouldBe(gl, gl.INVALID_ENUM, "should generate INVALID_ENUM"); | |
| 30 gl.viewport(-1, -1, -1, -1); | |
| 31 glErrorShouldBe(gl, gl.INVALID_VALUE, "should generate INVALID_VALUE"); | |
| 32 gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGB, 1, 1, 0, gl.RGBA, gl.UNSIGNED_BYTE, null
); | |
| 33 glErrorShouldBe(gl, gl.INVALID_OPERATION, "should generate INVALID_OPERATION"); | |
| 34 | |
| 35 // Generate errors of each type. | |
| 36 // Generate 2 of each type to make sure the implementation is using a flag | |
| 37 // per type and not a list of errors. | |
| 38 gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGB, 1, 1, 0, gl.RGBA, gl.UNSIGNED_BYTE, null
); | |
| 39 gl.viewport(-1, -1, -1, -1); | |
| 40 gl.enable(desktopGL.ALPHA_TEST); | |
| 41 gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGB, 1, 1, 0, gl.RGBA, gl.UNSIGNED_BYTE, null
); | |
| 42 gl.viewport(-1, -1, -1, -1); | |
| 43 // Note: This error is specifically last because we know it will be synthasized | |
| 44 // by WebGL at least when implemented on top of Desktop OpenGL | |
| 45 gl.enable(desktopGL.ALPHA_TEST); | |
| 46 | |
| 47 debug("There should be 3 errors, one of each type"); | |
| 48 var err1 = gl.getError(); | |
| 49 var err2 = gl.getError(); | |
| 50 var err3 = gl.getError(); | |
| 51 | |
| 52 shouldBeTrue('err1 != err2 && err1 != err3 && err2 != err3'); | |
| 53 shouldBeTrue('err1 == gl.INVALID_ENUM || err1 == gl.INVALID_VALUE || err1 == gl.
INVALID_OPERATION'); | |
| 54 shouldBeTrue('err2 == gl.INVALID_ENUM || err2 == gl.INVALID_VALUE || err2 == gl.
INVALID_OPERATION'); | |
| 55 shouldBeTrue('err3 == gl.INVALID_ENUM || err3 == gl.INVALID_VALUE || err3 == gl.
INVALID_OPERATION'); | |
| 56 shouldBeTrue('gl.getError() == gl.NO_ERROR'); | |
| 57 | |
| 58 debug(""); | |
| 59 successfullyParsed = true; | |
| 60 </script> | |
| 61 <script src="../resources/js-test-post.js"></script> | |
| 62 </body> | |
| 63 </html> | |
| 64 | |
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