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Issue 41503006: Add ToT WebGL conformance tests : part 8 (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/deps/third_party/webgl/sdk/tests/
Patch Set: Created 7 years, 1 month ago
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1 <!--
2
3 /*
4 ** Copyright (c) 2012 The Khronos Group Inc.
5 **
6 ** Permission is hereby granted, free of charge, to any person obtaining a
7 ** copy of this software and/or associated documentation files (the
8 ** "Materials"), to deal in the Materials without restriction, including
9 ** without limitation the rights to use, copy, modify, merge, publish,
10 ** distribute, sublicense, and/or sell copies of the Materials, and to
11 ** permit persons to whom the Materials are furnished to do so, subject to
12 ** the following conditions:
13 **
14 ** The above copyright notice and this permission notice shall be included
15 ** in all copies or substantial portions of the Materials.
16 **
17 ** THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
18 ** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19 ** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
20 ** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
21 ** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
22 ** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
23 ** MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
24 */
25
26 -->
27
28 <!DOCTYPE html>
29 <html>
30 <head>
31 <meta charset="utf-8">
32 <title>WebGL the minimum number of attributes are supported.</title>
33 <link rel="stylesheet" href="../../resources/js-test-style.css"/>
34 <script src="../../resources/js-test-pre.js"></script>
35 <script src="../resources/webgl-test.js"> </script>
36 <script src="../resources/webgl-test-utils.js"> </script>
37 </head>
38 <body>
39 <canvas id="example" width="4" height="4" style="width: 40px; height: 30px;"></c anvas>
40 <div id="description"></div>
41 <div id="console"></div>
42 <script id="vshader" type="x-shader/x-vertex">
43 attribute vec4 vPosition;
44 attribute vec4 v0;
45 attribute vec4 v1;
46 attribute vec4 v2;
47 attribute vec4 v3;
48 attribute vec4 v4;
49 attribute vec4 v5;
50 attribute vec4 v6;
51 varying vec4 color;
52 void main()
53 {
54 gl_Position = vPosition;
55 color = v0 + v1 + v2 + v3 + v4 + v5 + v6;
56 }
57 </script>
58
59 <script id="fshader" type="x-shader/x-fragment">
60 precision mediump float;
61 varying vec4 color;
62 void main()
63 {
64 gl_FragColor = color;
65 }
66 </script>
67 <script>
68 "use strict";
69 description(document.title);
70 var wtu = WebGLTestUtils;
71 var gl = wtu.create3DContext("example");
72 var program = wtu.setupTexturedQuad(gl);
73
74 var program = wtu.setupProgram(
75 gl,
76 ['vshader', 'fshader'],
77 ['vPosition', 'v0', 'v1', 'v2', 'v3', 'v4', 'v5', 'v6'],
78 [0, 1, 2, 3, 4, 5, 6, 7]);
79
80 for (var ii = 0; ii < 7; ++ii) {
81 var v = (ii + 1) / 28;
82 var vertexObject = gl.createBuffer();
83 gl.bindBuffer(gl.ARRAY_BUFFER, vertexObject);
84 gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([
85 v, v/2, v/4, v/8,
86 v, v/2, v/4, v/8,
87 v, v/2, v/4, v/8,
88 v, v/2, v/4, v/8,
89 v, v/2, v/4, v/8,
90 v, v/2, v/4, v/8]), gl.STATIC_DRAW);
91 gl.enableVertexAttribArray(ii + 1);
92 gl.vertexAttribPointer(ii + 1, 4, gl.FLOAT, false, 0, 0);
93 }
94
95 wtu.clearAndDrawUnitQuad(gl);
96 glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from setup.");
97 wtu.checkCanvasRect(gl, 0, 0, gl.canvas.width, gl.canvas.height, [255, 127, 64, 32], "Should render 255,127,64,32 (+/-1)", 1);
98
99 var successfullyParsed = true;
100
101 </script>
102 </body>
103 <script src="../../resources/js-test-post.js"></script>
104
105 </body>
106 </html>
107
108
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