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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"></s
cript> |
| 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 2 errors of each type for 6 total possible errors. |
| 36 // The OpenGL ES 2.0 spec section 2.5 says the implementation is allowed to |
| 37 // either return the first error or many errors in an unspecied order. |
| 38 gl.viewport(-1, -1, -1, -1); |
| 39 gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGB, 1, 1, 0, gl.RGBA, gl.UNSIGNED_BYTE, null
); |
| 40 gl.enable(desktopGL.ALPHA_TEST); |
| 41 gl.viewport(-1, -1, -1, -1); |
| 42 gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGB, 1, 1, 0, gl.RGBA, gl.UNSIGNED_BYTE, null
); |
| 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 var err1 = gl.getError(); |
| 48 var err2 = gl.getError(); |
| 49 var err3 = gl.getError(); |
| 50 var err4 = gl.getError(); |
| 51 var err5 = gl.getError(); |
| 52 var err6 = gl.getError(); |
| 53 |
| 54 debug(""); |
| 55 if (err2 == gl.NO_ERROR) { |
| 56 debug("This WebGL implementation looks like it uses the 'first error' method")
; |
| 57 debug("There should be 1 error, the first one generated"); |
| 58 shouldBeTrue('err1 == gl.INVALID_VALUE && err2 == gl.NO_ERROR && err3 == gl.NO
_ERROR'); |
| 59 } else { |
| 60 debug("This WebGL implementation looks like it uses the many error method"); |
| 61 debug("Check is that at least one of the errors is the first error"); |
| 62 shouldBeTrue('err1 == gl.INVALID_VALUE || ' + |
| 63 'err2 == gl.INVALID_VALUE || ' + |
| 64 'err3 == gl.INVALID_VALUE || ' + |
| 65 'err4 == gl.INVALID_VALUE || ' + |
| 66 'err5 == gl.INVALID_VALUE || ' + |
| 67 'err6 == gl.INVALID_VALUE'); |
| 68 shouldBeTrue('gl.getError() == gl.NO_ERROR'); |
| 69 } |
| 70 |
| 71 debug(""); |
| 72 successfullyParsed = true; |
| 73 </script> |
| 74 <script src="../../resources/js-test-post.js"></script> |
| 75 </body> |
| 76 </html> |
| 77 |
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Chromium Code Reviews
Issue 8342021:
Add webgl conformance tests r15841. (Closed)
Base URL: svn://chrome-svn/chrome/trunk/deps/third_party/webgl/sdk/tests/