1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/content/canvas/test/webgl-conformance/conformance/glsl/functions/glsl-function-atan-xy.html Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,97 @@
1.4 +<!--
1.5 +Copyright (c) 2011 The Chromium Authors. All rights reserved.
1.6 +Use of this source code is governed by a BSD-style license that can be
1.7 +found in the LICENSE file.
1.8 + -->
1.9 +<!DOCTYPE html>
1.10 +<html>
1.11 +<head>
1.12 +<meta charset="utf-8">
1.13 + <title>GLSL atan-xy function test</title>
1.14 + <link rel="stylesheet" href="../../../resources/js-test-style.css"/>
1.15 + <link rel="stylesheet" href="../../resources/glsl-feature-tests.css"/>
1.16 + <script src="../../../resources/js-test-pre.js"></script>
1.17 + <script src="../../resources/webgl-test.js"> </script>
1.18 + <script src="../../resources/webgl-test-utils.js"> </script>
1.19 + <script src="../../resources/glsl-generator.js"> </script>
1.20 +</head>
1.21 +<body>
1.22 +<div id="description"></div>
1.23 +<div id="console"></div>
1.24 +<script>
1.25 +
1.26 +var piConstants = [
1.27 + "const float kPI = 3.14159265358979323846;",
1.28 + "const float kHalfPI = (kPI * 0.5);",
1.29 + "const float k2PI = (kPI * 2.0);"
1.30 +].join("\n");
1.31 +
1.32 +var kPI = Math.PI;
1.33 +var kHalfPI = Math.PI * 0.5;
1.34 +var k2PI = Math.PI * 2.0;
1.35 +var atan2 = Math.atan2; // shorthand
1.36 +
1.37 +GLSLGenerator.runReferenceImageTest({
1.38 + feature: "atan",
1.39 + args: "$(type) y, $(type) x",
1.40 + testFunc: "$(func)($(type), $(type))",
1.41 + gridRes: 8,
1.42 + tolerance: 5,
1.43 + extra: piConstants,
1.44 + tests: [
1.45 + {
1.46 + source: ["$(output) = vec4(",
1.47 + " $(func)($(input).x + 0.1, $(input).y) / k2PI + 0.5,",
1.48 + " 0,",
1.49 + " 0,",
1.50 + " 1);"].join("\n"),
1.51 + generator: function(x, y, z, w) {
1.52 + return [ atan2(x + 0.1, y) / k2PI + 0.5,
1.53 + 0,
1.54 + 0,
1.55 + 1 ];
1.56 + },
1.57 + },
1.58 + {
1.59 + source: ["$(output) = vec4(",
1.60 + " $(func)($(input).xy + vec2(0.1, 0.1), $(input).yx) / ",
1.61 + " k2PI + vec2(0.5, 0.5),",
1.62 + " 0, 1);"].join("\n"),
1.63 + generator: function(x, y, z, w) {
1.64 + return [ atan2(x + 0.1, y) / k2PI + 0.5,
1.65 + atan2(y + 0.1, x) / k2PI + 0.5,
1.66 + 0,
1.67 + 1 ];
1.68 + },
1.69 + },
1.70 + {
1.71 + source: ["$(output) = vec4(",
1.72 + " $(func)($(input).xyz + vec3(0.1, 0.1, 0.1), $(input).yzx) / ",
1.73 + " k2PI + vec3(0.5, 0.5, 0.5),",
1.74 + " 1);"].join("\n"),
1.75 + generator: function(x, y, z, w) {
1.76 + return [ atan2(x + 0.1, y) / k2PI + 0.5,
1.77 + atan2(y + 0.1, z) / k2PI + 0.5,
1.78 + atan2(z + 0.1, x) / k2PI + 0.5,
1.79 + 1 ];
1.80 + },
1.81 + },
1.82 + {
1.83 + source: ["$(output) = ",
1.84 + " $(func)($(input) + vec4(0.1, 0.1, 0.1, 0.1), $(input).wzyx) / ",
1.85 + " k2PI + vec4(0.5, 0.5, 0.5, 0.5);",
1.86 + ].join("\n"),
1.87 + generator: function(x, y, z, w) {
1.88 + return [ atan2(x + 0.1, w) / k2PI + 0.5,
1.89 + atan2(y + 0.1, z) / k2PI + 0.5,
1.90 + atan2(z + 0.1, y) / k2PI + 0.5,
1.91 + atan2(w + 0.1, x) / k2PI + 0.5 ];
1.92 + },
1.93 + },
1.94 + ]
1.95 +});
1.96 +successfullyParsed = true;
1.97 +</script>
1.98 +</body>
1.99 +</html>
1.100 +
