content/canvas/test/webgl-conformance/conformance/rendering/gl-drawelements.html@deefc01c0e14
content/canvas/test/webgl-conformance/conformance/rendering/gl-drawelements.html
Thu, 15 Jan 2015 21:03:48 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Thu, 15 Jan 2015 21:03:48 +0100
- branch
- TOR_BUG_9701
- changeset 11
- deefc01c0e14
- permissions
- -rw-r--r--
Integrate friendly tips from Tor colleagues to make (or not) 4.5 alpha 3;
This includes removal of overloaded (but unused) methods, and addition of
a overlooked call to DataStruct::SetData(nsISupports, uint32_t, bool.)
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>
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>
35 <script>
36 function init()
37 {
38 if (window.initNonKhronosFramework) {
39 window.initNonKhronosFramework(false);
40 }
42 description(document.title);
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 }
50 gl = initWebGL("example", "vshader", "fshader", [ "vPosition"], [ 0, 0, 0, 1 ], 1);
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);
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);
62 checkDrawElements(gl.TRIANGLES, 3, gl.UNSIGNED_SHORT,
63 gl.NO_ERROR, "can call gl.DrawElements with UNSIGNED_SHORT");
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);
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");
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);
86 checkDrawElements(
87 gl.TRIANGLES, 3, gl.UNSIGNED_INT,
88 gl.INVALID_ENUM, "gl.DrawElements should return INVALID_ENUM with UNSIGNED_INT");
90 }
92 init();
93 successfullyParsed = true;
94 </script>
95 <script>finishTest();</script>
97 </body>
98 </html>
