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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 length 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 |
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23 GLSLGenerator.runFeatureTest({ |
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24 feature: "length", |
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25 args: "$(type) value", |
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26 baseArgs: "value$(field)", |
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27 testFunc: "$(func)($(type))", |
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28 fragmentTolerance: 1, |
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29 emuFuncs: [ |
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30 { type: "float", |
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31 code: [ |
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32 "float $(func)_emu($(args)) {", |
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33 " return abs($(baseArgs));", |
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34 "}"].join("\n") |
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35 }, |
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36 { type: "vec2", |
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37 code: [ |
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38 "float $(func)_emu($(args)) {", |
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39 " return sqrt(", |
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40 " $(baseArgsX) * $(baseArgsX) + ", |
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41 " $(baseArgsY) * $(baseArgsY));", |
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42 "}"].join("\n") |
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43 }, |
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44 { type: "vec3", |
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45 code: [ |
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46 "float $(func)_emu($(args)) {", |
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47 " return sqrt(", |
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48 " $(baseArgsX) * $(baseArgsX) + ", |
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49 " $(baseArgsY) * $(baseArgsY) + ", |
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50 " $(baseArgsZ) * $(baseArgsZ));", |
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51 "}"].join("\n") |
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52 }, |
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53 { type: "vec4", |
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54 code: [ |
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55 "float $(func)_emu($(args)) {", |
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56 " return sqrt(", |
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57 " $(baseArgsX) * $(baseArgsX) + ", |
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58 " $(baseArgsY) * $(baseArgsY) + ", |
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59 " $(baseArgsZ) * $(baseArgsZ) + ", |
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60 " $(baseArgsW) * $(baseArgsW));", |
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61 "}"].join("\n") |
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62 } |
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63 ], |
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64 gridRes: 8, |
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65 tests: [ |
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66 ["$(output) = vec4(", |
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67 " $(func)($(input).x * 8.0 - 4.0) / 4.0,", |
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68 " $(func)($(input).y * 8.0 - 4.0) / 4.0,", |
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69 " 0,", |
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70 " 1);"].join("\n"), |
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71 ["$(output) = vec4(", |
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72 " $(func)($(input).xy * 8.0 - 4.0) / 4.0,", |
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73 " 0, 0, 1);"].join("\n"), |
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74 ["$(output) = vec4(", |
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75 " $(func)($(input).xyz * 8.0 - 4.0) / 4.0,", |
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76 " 0, 0, 1);"].join("\n"), |
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77 ["$(output) = vec4(", |
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78 " $(func)($(input) * 8.0 - 4.0) / 4.0, 0, 0, 1);", |
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79 ].join("\n") |
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80 ] |
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81 }); |
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82 successfullyParsed = true; |
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83 </script> |
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84 </body> |
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85 </html> |
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86 |