content/canvas/test/webgl-conformance/conformance/glsl/functions/glsl-function-atan-xy.html@6474c204b198 (annotated)
content/canvas/test/webgl-conformance/conformance/glsl/functions/glsl-function-atan-xy.html
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | <!-- |
| michael@0 | 2 | Copyright (c) 2011 The Chromium Authors. All rights reserved. |
| michael@0 | 3 | Use of this source code is governed by a BSD-style license that can be |
| michael@0 | 4 | found in the LICENSE file. |
| michael@0 | 5 | --> |
| michael@0 | 6 | <!DOCTYPE html> |
| michael@0 | 7 | <html> |
| michael@0 | 8 | <head> |
| michael@0 | 9 | <meta charset="utf-8"> |
| michael@0 | 10 | <title>GLSL atan-xy function test</title> |
| michael@0 | 11 | <link rel="stylesheet" href="../../../resources/js-test-style.css"/> |
| michael@0 | 12 | <link rel="stylesheet" href="../../resources/glsl-feature-tests.css"/> |
| michael@0 | 13 | <script src="../../../resources/js-test-pre.js"></script> |
| michael@0 | 14 | <script src="../../resources/webgl-test.js"> </script> |
| michael@0 | 15 | <script src="../../resources/webgl-test-utils.js"> </script> |
| michael@0 | 16 | <script src="../../resources/glsl-generator.js"> </script> |
| michael@0 | 17 | </head> |
| michael@0 | 18 | <body> |
| michael@0 | 19 | <div id="description"></div> |
| michael@0 | 20 | <div id="console"></div> |
| michael@0 | 21 | <script> |
| michael@0 | 22 | |
| michael@0 | 23 | var piConstants = [ |
| michael@0 | 24 | "const float kPI = 3.14159265358979323846;", |
| michael@0 | 25 | "const float kHalfPI = (kPI * 0.5);", |
| michael@0 | 26 | "const float k2PI = (kPI * 2.0);" |
| michael@0 | 27 | ].join("\n"); |
| michael@0 | 28 | |
| michael@0 | 29 | var kPI = Math.PI; |
| michael@0 | 30 | var kHalfPI = Math.PI * 0.5; |
| michael@0 | 31 | var k2PI = Math.PI * 2.0; |
| michael@0 | 32 | var atan2 = Math.atan2; // shorthand |
| michael@0 | 33 | |
| michael@0 | 34 | GLSLGenerator.runReferenceImageTest({ |
| michael@0 | 35 | feature: "atan", |
| michael@0 | 36 | args: "$(type) y, $(type) x", |
| michael@0 | 37 | testFunc: "$(func)($(type), $(type))", |
| michael@0 | 38 | gridRes: 8, |
| michael@0 | 39 | tolerance: 5, |
| michael@0 | 40 | extra: piConstants, |
| michael@0 | 41 | tests: [ |
| michael@0 | 42 | { |
| michael@0 | 43 | source: ["$(output) = vec4(", |
| michael@0 | 44 | " $(func)($(input).x + 0.1, $(input).y) / k2PI + 0.5,", |
| michael@0 | 45 | " 0,", |
| michael@0 | 46 | " 0,", |
| michael@0 | 47 | " 1);"].join("\n"), |
| michael@0 | 48 | generator: function(x, y, z, w) { |
| michael@0 | 49 | return [ atan2(x + 0.1, y) / k2PI + 0.5, |
| michael@0 | 50 | 0, |
| michael@0 | 51 | 0, |
| michael@0 | 52 | 1 ]; |
| michael@0 | 53 | }, |
| michael@0 | 54 | }, |
| michael@0 | 55 | { |
| michael@0 | 56 | source: ["$(output) = vec4(", |
| michael@0 | 57 | " $(func)($(input).xy + vec2(0.1, 0.1), $(input).yx) / ", |
| michael@0 | 58 | " k2PI + vec2(0.5, 0.5),", |
| michael@0 | 59 | " 0, 1);"].join("\n"), |
| michael@0 | 60 | generator: function(x, y, z, w) { |
| michael@0 | 61 | return [ atan2(x + 0.1, y) / k2PI + 0.5, |
| michael@0 | 62 | atan2(y + 0.1, x) / k2PI + 0.5, |
| michael@0 | 63 | 0, |
| michael@0 | 64 | 1 ]; |
| michael@0 | 65 | }, |
| michael@0 | 66 | }, |
| michael@0 | 67 | { |
| michael@0 | 68 | source: ["$(output) = vec4(", |
| michael@0 | 69 | " $(func)($(input).xyz + vec3(0.1, 0.1, 0.1), $(input).yzx) / ", |
| michael@0 | 70 | " k2PI + vec3(0.5, 0.5, 0.5),", |
| michael@0 | 71 | " 1);"].join("\n"), |
| michael@0 | 72 | generator: function(x, y, z, w) { |
| michael@0 | 73 | return [ atan2(x + 0.1, y) / k2PI + 0.5, |
| michael@0 | 74 | atan2(y + 0.1, z) / k2PI + 0.5, |
| michael@0 | 75 | atan2(z + 0.1, x) / k2PI + 0.5, |
| michael@0 | 76 | 1 ]; |
| michael@0 | 77 | }, |
| michael@0 | 78 | }, |
| michael@0 | 79 | { |
| michael@0 | 80 | source: ["$(output) = ", |
| michael@0 | 81 | " $(func)($(input) + vec4(0.1, 0.1, 0.1, 0.1), $(input).wzyx) / ", |
| michael@0 | 82 | " k2PI + vec4(0.5, 0.5, 0.5, 0.5);", |
| michael@0 | 83 | ].join("\n"), |
| michael@0 | 84 | generator: function(x, y, z, w) { |
| michael@0 | 85 | return [ atan2(x + 0.1, w) / k2PI + 0.5, |
| michael@0 | 86 | atan2(y + 0.1, z) / k2PI + 0.5, |
| michael@0 | 87 | atan2(z + 0.1, y) / k2PI + 0.5, |
| michael@0 | 88 | atan2(w + 0.1, x) / k2PI + 0.5 ]; |
| michael@0 | 89 | }, |
| michael@0 | 90 | }, |
| michael@0 | 91 | ] |
| michael@0 | 92 | }); |
| michael@0 | 93 | successfullyParsed = true; |
| michael@0 | 94 | </script> |
| michael@0 | 95 | </body> |
| michael@0 | 96 | </html> |
| michael@0 | 97 |
