Index: third_party/webgl/sdk/tests/conformance/glsl/functions/glsl-function-cos.html |
=================================================================== |
--- third_party/webgl/sdk/tests/conformance/glsl/functions/glsl-function-cos.html (revision 121077) |
+++ third_party/webgl/sdk/tests/conformance/glsl/functions/glsl-function-cos.html (working copy) |
@@ -1,82 +0,0 @@ |
-<!-- |
-Copyright (c) 2011 The Chromium Authors. All rights reserved. |
-Use of this source code is governed by a BSD-style license that can be |
-found in the LICENSE file. |
- --> |
-<!DOCTYPE html> |
-<html> |
-<head> |
-<meta charset="utf-8"> |
- <title>GLSL cos function test</title> |
- <link rel="stylesheet" href="../../../resources/js-test-style.css"/> |
- <link rel="stylesheet" href="../../resources/glsl-feature-tests.css"/> |
- <script src="../../../resources/js-test-pre.js"></script> |
- <script src="../../resources/webgl-test.js"> </script> |
- <script src="../../resources/webgl-test-utils.js"> </script> |
- <script src="../../resources/glsl-generator.js"> </script> |
-</head> |
-<body> |
-<div id="description"></div> |
-<div id="console"></div> |
-<script> |
- |
-var piConstants = [ |
- "const float kPI = 3.14159265358979323846;", |
- "const float kHalfPI = (kPI * 0.5);", |
- "const float k2PI = (kPI * 2.0);" |
-].join("\n"); |
- |
-var sinImplementation = [ |
- "", |
- "float sin_impl(float value) {", |
- " value = mod(value + k2PI * 10.0, k2PI);", // only positive values for now |
- " int quad = int(floor(value / kHalfPI));", // figure out which quad |
- " float p = mod(value, kHalfPI);", // from 0.0 to PI/2 |
- " if (quad == 1 || quad == 3) { p = kHalfPI - p; }", // backward in quads 1,3 |
- " float c = p - ", |
- " pow(p, 3.0) / (1.0 * 2.0 * 3.0) + ", |
- " pow(p, 5.0) / (1.0 * 2.0 * 3.0 * 4.0 * 5.0) - ", |
- " pow(p, 7.0) / (1.0 * 2.0 * 3.0 * 4.0 * 5.0 * 6.0 * 7.0);", |
- " if (quad == 2 || quad == 3) { c = -c; }", |
- " return c;", |
- "}" |
-].join('\n'); |
- |
-GLSLGenerator.runFeatureTest({ |
- feature: "cos", |
- args: "$(type) value", |
- baseArgs: "value$(field)", |
- testFunc: "$(func)($(type))", |
- emuFunc: [ |
- sinImplementation, |
- "float $(func)_base(float value) {", |
- " return sin_impl(value + kHalfPI);", |
- "}" |
- ].join("\n"), |
- gridRes: 8, |
- tolerance: 2, |
- extra: piConstants, |
- tests: [ |
- ["$(output) = vec4(", |
- " $(func)($(input).x * kHalfPI + kHalfPI),", |
- " $(func)($(input).y * kHalfPI),", |
- " 0,", |
- " 1);"].join("\n"), |
- ["$(output) = vec4(", |
- " $(func)($(input).xy * vec2(kPI, k2PI)) * 0.5 + vec2(0.5, 0.5),", |
- " 0, 1);"].join("\n"), |
- ["$(output) = vec4(", |
- " $(func)($(input).xyz * vec3(kPI, k2PI, 4.0)) * ", |
- " 0.5 + vec3(0.5, 0.5, 0.5),", |
- " 1);"].join("\n"), |
- ["$(output) = ", |
- " $(func)($(input) * vec4(k2PI, 4.0, kHalfPI, kPI)) *", |
- " 0.5 + vec4(0.5, 0.5, 0.5, 1);", |
- ].join("\n") |
- ] |
-}); |
-successfullyParsed = true; |
-</script> |
-</body> |
-</html> |
- |