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comparison: content/canvas/test/webgl-conformance/conformance/rendering/gl-drawelements.html
content/canvas/test/webgl-conformance/conformance/rendering/gl-drawelements.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 drawElements Test</title> | |
| 11 <link rel="stylesheet" href="../../resources/js-test-style.css"/> | |
| 12 <script src="../../resources/js-test-pre.js"></script> | |
| 13 <script src="../resources/webgl-test.js"> </script> | |
| 14 <script src="../../resources/desktop-gl-constants.js" type="text/javascript"></script> | |
| 15 </head> | |
| 16 <body> | |
| 17 <canvas id="example" width="50" height="50"></canvas> | |
| 18 <div id="description"></div> | |
| 19 <div id="console"></div> | |
| 20 <script id="vshader" type="x-shader/x-vertex"> | |
| 21 attribute vec4 vPosition; | |
| 22 void main() | |
| 23 { | |
| 24 gl_Position = vPosition; | |
| 25 } | |
| 26 </script> | |
| 27 | |
| 28 <script id="fshader" type="x-shader/x-fragment"> | |
| 29 void main() | |
| 30 { | |
| 31 gl_FragColor = vec4(1.0,0.0,0.0,1.0); | |
| 32 } | |
| 33 </script> | |
| 34 | |
| 35 <script> | |
| 36 function init() | |
| 37 { | |
| 38 if (window.initNonKhronosFramework) { | |
| 39 window.initNonKhronosFramework(false); | |
| 40 } | |
| 41 | |
| 42 description(document.title); | |
| 43 | |
| 44 function checkDrawElements(mode, count, type, expect, msg) { | |
| 45 gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT); | |
| 46 gl.drawElements(mode, count, type, 0); | |
| 47 glErrorShouldBe(gl, expect, msg); | |
| 48 } | |
| 49 | |
| 50 gl = initWebGL("example", "vshader", "fshader", [ "vPosition"], [ 0, 0, 0, 1 ], 1); | |
| 51 | |
| 52 var vertexObject = gl.createBuffer(); | |
| 53 gl.bindBuffer(gl.ARRAY_BUFFER, vertexObject); | |
| 54 gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([ 0,0.5,0, -0.5,-0.5,0, 0.5,-0.5,0 ]), gl.STATIC_DRAW); | |
| 55 gl.enableVertexAttribArray(0); | |
| 56 gl.vertexAttribPointer(0, 3, gl.FLOAT, false, 0, 0); | |
| 57 | |
| 58 var vertexObject = gl.createBuffer(); | |
| 59 gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, vertexObject); | |
| 60 gl.bufferData(gl.ELEMENT_ARRAY_BUFFER, new Uint16Array([ 0, 1, 2]), gl.STATIC_DRAW); | |
| 61 | |
| 62 checkDrawElements(gl.TRIANGLES, 3, gl.UNSIGNED_SHORT, | |
| 63 gl.NO_ERROR, "can call gl.DrawElements with UNSIGNED_SHORT"); | |
| 64 | |
| 65 var vertexObject = gl.createBuffer(); | |
| 66 gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, vertexObject); | |
| 67 gl.bufferData(gl.ELEMENT_ARRAY_BUFFER, new Uint8Array([ 0, 1, 2, 0]), gl.STATIC_DRAW); | |
| 68 | |
| 69 checkDrawElements( | |
| 70 gl.TRIANGLES, 3, gl.UNSIGNED_BYTE, | |
| 71 gl.NO_ERROR, "can call gl.DrawElements with UNSIGNED_BYTE"); | |
| 72 checkDrawElements( | |
| 73 desktopGL['QUAD_STRIP'], 4, gl.UNSIGNED_BYTE, | |
| 74 gl.INVALID_ENUM, "gl.DrawElements with QUAD_STRIP should return INVALID_ENUM"); | |
| 75 checkDrawElements( | |
| 76 desktopGL['QUADS'], 4, gl.UNSIGNED_BYTE, | |
| 77 gl.INVALID_ENUM, "gl.DrawElements with QUADS should return INVALID_ENUM"); | |
| 78 checkDrawElements( | |
| 79 desktopGL['POLYGON'], 4, gl.UNSIGNED_BYTE, | |
| 80 gl.INVALID_ENUM, "gl.DrawElements with POLYGON should return INVALID_ENUM"); | |
| 81 | |
| 82 var vertexObject = gl.createBuffer(); | |
| 83 gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, vertexObject); | |
| 84 gl.bufferData(gl.ELEMENT_ARRAY_BUFFER, new Uint32Array([ 0, 1, 2]), gl.STATIC_DRAW); | |
| 85 | |
| 86 checkDrawElements( | |
| 87 gl.TRIANGLES, 3, gl.UNSIGNED_INT, | |
| 88 gl.INVALID_ENUM, "gl.DrawElements should return INVALID_ENUM with UNSIGNED_INT"); | |
| 89 | |
| 90 } | |
| 91 | |
| 92 init(); | |
| 93 successfullyParsed = true; | |
| 94 </script> | |
| 95 <script>finishTest();</script> | |
| 96 | |
| 97 </body> | |
| 98 </html> |
