glsl-function-step-float.html (1446B)
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 step-float 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 GLSLGenerator.runFeatureTest({ 24 feature: "step", 25 args: "float edge, $(type) value", 26 baseArgs: "edge, value$(field)", 27 testFunc: "$(func)(float, $(type))", 28 emuFunc: ["float $(func)_base(float edge, float value) {", 29 " return value < edge ? 0.0 : 1.0;", 30 "}"].join("\n"), 31 gridRes: 8, 32 tests: [ 33 ["$(output) = vec4(", 34 " $(func)(0.3, $(input).x),", 35 " $(func)(0.7, $(input).y),", 36 " 0,", 37 " 1);"].join("\n"), 38 ["$(output) = vec4(", 39 " $(func)(0.4, $(input).xy),", 40 " 0, 1);"].join("\n"), 41 ["$(output) = vec4(", 42 " $(func)(0.4, $(input).xyz),", 43 " 1);"].join("\n"), 44 ["$(output) = ", 45 " $(func)(0.4, $(input));"].join("\n") 46 ] 47 }); 48 var successfullyParsed = true; 49 </script> 50 </body> 51 </html>