| <!-- |
| 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 length 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: "length", |
| args: "$(type) value", |
| baseArgs: "value$(field)", |
| testFunc: "$(func)($(type))", |
| fragmentTolerance: 1, |
| emuFuncs: [ |
| { type: "float", |
| code: [ |
| "float $(func)_emu($(args)) {", |
| " return abs($(baseArgs));", |
| "}"].join("\n") |
| }, |
| { type: "vec2", |
| code: [ |
| "float $(func)_emu($(args)) {", |
| " return sqrt(", |
| " $(baseArgsX) * $(baseArgsX) + ", |
| " $(baseArgsY) * $(baseArgsY));", |
| "}"].join("\n") |
| }, |
| { type: "vec3", |
| code: [ |
| "float $(func)_emu($(args)) {", |
| " return sqrt(", |
| " $(baseArgsX) * $(baseArgsX) + ", |
| " $(baseArgsY) * $(baseArgsY) + ", |
| " $(baseArgsZ) * $(baseArgsZ));", |
| "}"].join("\n") |
| }, |
| { type: "vec4", |
| code: [ |
| "float $(func)_emu($(args)) {", |
| " return sqrt(", |
| " $(baseArgsX) * $(baseArgsX) + ", |
| " $(baseArgsY) * $(baseArgsY) + ", |
| " $(baseArgsZ) * $(baseArgsZ) + ", |
| " $(baseArgsW) * $(baseArgsW));", |
| "}"].join("\n") |
| } |
| ], |
| gridRes: 8, |
| tests: [ |
| ["$(output) = vec4(", |
| " $(func)($(input).x * 8.0 - 4.0) / 4.0,", |
| " $(func)($(input).y * 8.0 - 4.0) / 4.0,", |
| " 0,", |
| " 1);"].join("\n"), |
| ["$(output) = vec4(", |
| " $(func)($(input).xy * 8.0 - 4.0) / 4.0,", |
| " 0, 0, 1);"].join("\n"), |
| ["$(output) = vec4(", |
| " $(func)($(input).xyz * 8.0 - 4.0) / 4.0,", |
| " 0, 0, 1);"].join("\n"), |
| ["$(output) = vec4(", |
| " $(func)($(input) * 8.0 - 4.0) / 4.0, 0, 0, 1);", |
| ].join("\n") |
| ] |
| }); |
| var successfullyParsed = true; |
| </script> |
| </body> |
| </html> |
| |
