glsl-function-length.html (2396B)
1 <!-- 2 Copyright (c) 2019 The Khronos Group Inc. 3 Use of this source code is governed by an MIT-style license that can be 4 found in the LICENSE.txt file. 5 --> 6 7 <!DOCTYPE html> 8 <html> 9 <head> 10 <meta charset="utf-8"> 11 <title>GLSL length function test</title> 12 <link rel="stylesheet" href="../../../resources/js-test-style.css"/> 13 <link rel="stylesheet" href="../../../resources/glsl-feature-tests.css"/> 14 <script src="../../../js/js-test-pre.js"></script> 15 <script src="../../../js/webgl-test-utils.js"> </script> 16 <script src="../../../js/glsl-generator.js"> </script> 17 </head> 18 <body> 19 <div id="description"></div> 20 <div id="console"></div> 21 <script> 22 "use strict"; 23 24 GLSLGenerator.runFeatureTest({ 25 feature: "length", 26 args: "$(type) value", 27 baseArgs: "value$(field)", 28 testFunc: "$(func)($(type))", 29 fragmentTolerance: 1, 30 emuFuncs: [ 31 { type: "float", 32 code: [ 33 "float $(func)_emu($(args)) {", 34 " return abs($(baseArgs));", 35 "}"].join("\n") 36 }, 37 { type: "vec2", 38 code: [ 39 "float $(func)_emu($(args)) {", 40 " return sqrt(", 41 " $(baseArgsX) * $(baseArgsX) + ", 42 " $(baseArgsY) * $(baseArgsY));", 43 "}"].join("\n") 44 }, 45 { type: "vec3", 46 code: [ 47 "float $(func)_emu($(args)) {", 48 " return sqrt(", 49 " $(baseArgsX) * $(baseArgsX) + ", 50 " $(baseArgsY) * $(baseArgsY) + ", 51 " $(baseArgsZ) * $(baseArgsZ));", 52 "}"].join("\n") 53 }, 54 { type: "vec4", 55 code: [ 56 "float $(func)_emu($(args)) {", 57 " return sqrt(", 58 " $(baseArgsX) * $(baseArgsX) + ", 59 " $(baseArgsY) * $(baseArgsY) + ", 60 " $(baseArgsZ) * $(baseArgsZ) + ", 61 " $(baseArgsW) * $(baseArgsW));", 62 "}"].join("\n") 63 } 64 ], 65 gridRes: 8, 66 tests: [ 67 ["$(output) = vec4(", 68 " $(func)($(input).x * 8.0 - 4.0) / 4.0,", 69 " $(func)($(input).y * 8.0 - 4.0) / 4.0,", 70 " 0,", 71 " 1);"].join("\n"), 72 ["$(output) = vec4(", 73 " $(func)($(input).xy * 8.0 - 4.0) / 4.0,", 74 " 0, 0, 1);"].join("\n"), 75 ["$(output) = vec4(", 76 " $(func)($(input).xyz * 8.0 - 4.0) / 4.0,", 77 " 0, 0, 1);"].join("\n"), 78 ["$(output) = vec4(", 79 " $(func)($(input) * 8.0 - 4.0) / 4.0, 0, 0, 1);", 80 ].join("\n") 81 ] 82 }); 83 var successfullyParsed = true; 84 </script> 85 </body> 86 </html>