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1 <!-- |
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2 Copyright (c) 2011 The Chromium Authors. All rights reserved. |
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3 Use of this source code is governed by a BSD-style license that can be |
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4 found in the LICENSE file. |
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5 --> |
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6 <!DOCTYPE html> |
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7 <html> |
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8 <head> |
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9 <meta charset="utf-8"> |
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10 <title>GLSL mix-float function test</title> |
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11 <link rel="stylesheet" href="../../../resources/js-test-style.css"/> |
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12 <link rel="stylesheet" href="../../resources/glsl-feature-tests.css"/> |
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13 <script src="../../../resources/js-test-pre.js"></script> |
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14 <script src="../../resources/webgl-test.js"> </script> |
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15 <script src="../../resources/webgl-test-utils.js"> </script> |
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16 <script src="../../resources/glsl-generator.js"> </script> |
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17 </head> |
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18 <body> |
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19 <div id="description"></div> |
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20 <div id="console"></div> |
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21 <script> |
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22 GLSLGenerator.runFeatureTest({ |
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23 feature: "mix", |
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24 args: "$(type) startValue, $(type) endValue, float mixValue", |
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25 baseArgs: "startValue$(field), endValue$(field), mixValue", |
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26 testFunc: "$(func)($(type), $(type), float)", |
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27 emuFunc: [ |
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28 "float $(func)_base(float startValue, float endValue, float mixValue) {", |
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29 " return startValue * (1.0 - mixValue) + endValue * mixValue;", |
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30 "}"].join("\n"), |
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31 gridRes: 8, |
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32 tests: [ |
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33 ["$(output) = vec4(", |
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34 " $(func)(1.0, 0.0, $(input).x),", |
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35 " ($(func)(-2.0, 3.0, $(input).y) + 2.0) / 5.0,", |
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36 " 0,", |
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37 " 1);"].join("\n"), |
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38 ["$(output) = vec4(", |
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39 " $(func)(vec2(1, -2), vec2(0, 2), $(input).z), ", |
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40 " 0, 1);"].join("\n"), |
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41 ["$(output) = vec4(", |
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42 " $(func)(vec3(1, -2, -1), vec3(0, 2, 3), $(input).y),", |
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43 " 1);"].join("\n"), |
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44 ["$(output) = ", |
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45 " $(func)(vec4(1, -2, -1, 0.5), vec4(0, 2, 3, 1), $(input).w);" |
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46 ].join("\n") |
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47 ] |
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48 }); |
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49 successfullyParsed = true; |
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50 </script> |
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51 </body> |
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52 </html> |
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53 |