buffer-bind-test.html (2040B)
1 <!-- 2 Copyright (c) 2019 The Khronos Group Inc. 3 Use of this source code is governed by an MIT-style license that can be 4 found in the LICENSE.txt file. 5 --> 6 7 <!DOCTYPE html> 8 <html> 9 <head> 10 <meta charset="utf-8"> 11 <title>WebGL BindBuffer conformance test.</title> 12 <link rel="stylesheet" href="../../resources/js-test-style.css"/> 13 <script src="../../js/js-test-pre.js"></script> 14 <script src="../../js/webgl-test-utils.js"> </script> 15 </head> 16 <body> 17 <canvas id="example" width="40" height="40" style="width: 40px; height: 40px;"></canvas> 18 <div id="description"></div> 19 <div id="console"></div> 20 <script> 21 "use strict"; 22 description("Checks a buffer can only be bound to 1 target."); 23 24 debug(""); 25 debug("Canvas.getContext"); 26 27 var wtu = WebGLTestUtils; 28 var gl = wtu.create3DContext("example"); 29 if (!gl) { 30 testFailed("context does not exist"); 31 } else { 32 testPassed("context exists"); 33 34 debug(""); 35 36 var buf = gl.createBuffer(); 37 gl.bindBuffer(gl.ARRAY_BUFFER, buf); 38 wtu.glErrorShouldBe(gl, gl.NO_ERROR, 39 "should be able to bind array buffer."); 40 gl.bindBuffer(gl.ARRAY_BUFFER, null); 41 wtu.glErrorShouldBe(gl, gl.NO_ERROR, 42 "should be able to unbind array buffer."); 43 gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, buf); 44 wtu.glErrorShouldBe(gl, gl.INVALID_OPERATION, 45 "should get INVALID_OPERATION if attempting to bind array buffer to different target"); 46 47 var buf = gl.createBuffer(); 48 gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, buf); 49 wtu.glErrorShouldBe(gl, gl.NO_ERROR, 50 "should be able to bind element array buffer."); 51 gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, null); 52 wtu.glErrorShouldBe(gl, gl.NO_ERROR, 53 "should be able to unbind element array buffer."); 54 gl.bindBuffer(gl.ARRAY_BUFFER, buf); 55 wtu.glErrorShouldBe(gl, gl.INVALID_OPERATION, 56 "should get INVALID_OPERATION if attempting to bind element array buffer to different target"); 57 } 58 59 debug(""); 60 var successfullyParsed = true; 61 </script> 62 <script src="../../js/js-test-post.js"></script> 63 64 </body> 65 </html>