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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>GLSL floor function test</title> | |
11 <link rel="stylesheet" href="../../../resources/js-test-style.css"/> | |
12 <link rel="stylesheet" href="../../resources/glsl-feature-tests.css"/> | |
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 <script src="../../resources/glsl-generator.js"> </script> | |
17 </head> | |
18 <body> | |
19 <div id="description"></div> | |
20 <div id="console"></div> | |
21 <script> | |
22 GLSLGenerator.runFeatureTest({ | |
23 feature: "floor", | |
24 testFunc: "$(func)($(arg0))", | |
25 emuFunc: ["float $(func)_base(float value) {", | |
26 " return value - mod(value, 1.0);", | |
27 "}"].join("\n"), | |
28 gridRes: 8, | |
29 tests: [ | |
30 ["$(output) = vec4(", | |
31 " $(func)($(input).x * 8.0 - 4.0) / 8.0 + 0.5,", | |
32 " $(func)($(input).y * 8.0 - 4.0) / 8.0 + 0.5,", | |
33 " 0,", | |
34 " 1);"].join("\n"), | |
35 ["$(output) = vec4(", | |
36 " $(func)($(input).xy * 8.0 - vec2(4, 4)) / 8.0 + vec2(0.5, 0.5),", | |
37 " 0, 1);"].join("\n"), | |
38 ["$(output) = vec4(", | |
39 " $(func)($(input).xyz * 8.0 - vec3(4, 4, 4)) / 8.0 + ", | |
40 " vec3(0.5, 0.5, 0.5),", | |
41 " 1);"].join("\n"), | |
42 ["$(output) = ", | |
43 " $(func)($(input) * 8.0 - vec4(4, 4, 4, 4)) / 8.0 + ", | |
44 " vec4(0.5, 0.5, 0.5, 0.5);"].join("\n") | |
45 ] | |
46 }); | |
47 successfullyParsed = true; | |
48 </script> | |
49 </body> | |
50 </html> | |
51 | |
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