| <!-- |
| Copyright (c) 2019 The Khronos Group Inc. |
| Use of this source code is governed by an MIT-style license that can be |
| found in the LICENSE.txt file. |
| --> |
| |
| <!DOCTYPE html> |
| <html> |
| <head> |
| <meta charset="utf-8"> |
| <title>GLSL faceforward function test</title> |
| <link rel="stylesheet" href="../../../resources/js-test-style.css"/> |
| <link rel="stylesheet" href="../../../resources/glsl-feature-tests.css"/> |
| <script src="../../../js/js-test-pre.js"></script> |
| <script src="../../../js/webgl-test-utils.js"> </script> |
| <script src="../../../js/glsl-generator.js"> </script> |
| </head> |
| <body> |
| <div id="description"></div> |
| <div id="console"></div> |
| <script> |
| "use strict"; |
| |
| GLSLGenerator.runFeatureTest({ |
| feature: "faceforward", |
| args: "$(type) N, $(type) I, $(type) Nref", |
| baseArgs: "value$(field)", |
| testFunc: "$(func)($(type),$(type),$(type))", |
| simpleEmu: [ |
| "$(type) $(func)_emu($(args)) {", |
| " return dot(Nref, I) < 0.0 ? N : -N;", |
| "}"].join("\n"), |
| gridRes: 8, |
| tests: [ |
| ["$(output) = vec4(", |
| " $(func)(", |
| " $(input).x * 2.0 - 1.0,", |
| " $(input).y * 2.0 - 1.0,", |
| " $(input).z * 2.0 - 1.0),", |
| " 0,", |
| " 0,", |
| " 1);"].join("\n"), |
| ["$(output) = vec4(", |
| " $(func)(", |
| " $(input).xy * 2.0 - 1.0,", |
| " $(input).yz * 2.0 - 1.0,", |
| " $(input).zw * 2.0 - 1.0),", |
| " 0, 1);"].join("\n"), |
| ["$(output) = vec4(", |
| " $(func)(", |
| " $(input).xyz * 2.0 - 1.0,", |
| " $(input).yzw * 2.0 - 1.0,", |
| " $(input).zwx * 2.0 - 1.0),", |
| " 1);"].join("\n"), |
| ["$(output) = ", |
| " $(func)(", |
| " $(input).xyzw * 2.0 - 1.0,", |
| " $(input).yzwx * 2.0 - 1.0,", |
| " $(input).zwxy * 2.0 - 1.0);" |
| ].join("\n") |
| ] |
| }); |
| var successfullyParsed = true; |
| </script> |
| </body> |
| </html> |
