| Index: conformance/glsl/functions/glsl-function-cos.html
|
| ===================================================================
|
| --- conformance/glsl/functions/glsl-function-cos.html (revision 0)
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| +++ conformance/glsl/functions/glsl-function-cos.html (revision 0)
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| @@ -0,0 +1,82 @@
|
| +<!--
|
| +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>
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| + <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");
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| +
|
| +var sinImplementation = [
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| + "",
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| + "float sin_impl(float value) {",
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| + " value = mod(value + k2PI * 10.0, k2PI);", // only positive values for now
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| + " int quad = int(floor(value / kHalfPI));", // figure out which quad
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| + " float p = mod(value, kHalfPI);", // from 0.0 to PI/2
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| + " if (quad == 1 || quad == 3) { p = kHalfPI - p; }", // backward in quads 1,3
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| + " float c = p - ",
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| + " pow(p, 3.0) / (1.0 * 2.0 * 3.0) + ",
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| + " pow(p, 5.0) / (1.0 * 2.0 * 3.0 * 4.0 * 5.0) - ",
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| + " pow(p, 7.0) / (1.0 * 2.0 * 3.0 * 4.0 * 5.0 * 6.0 * 7.0);",
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| + " if (quad == 2 || quad == 3) { c = -c; }",
|
| + " return c;",
|
| + "}"
|
| +].join('\n');
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| +
|
| +GLSLGenerator.runFeatureTest({
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| + feature: "cos",
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| + args: "$(type) value",
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| + baseArgs: "value$(field)",
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| + testFunc: "$(func)($(type))",
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| + emuFunc: [
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| + sinImplementation,
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| + "float $(func)_base(float value) {",
|
| + " return sin_impl(value + kHalfPI);",
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| + "}"
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| + ].join("\n"),
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| + gridRes: 8,
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| + tolerance: 2,
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| + extra: piConstants,
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| + tests: [
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| + ["$(output) = vec4(",
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| + " $(func)($(input).x * kHalfPI + kHalfPI),",
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| + " $(func)($(input).y * kHalfPI),",
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| + " 0,",
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| + " 1);"].join("\n"),
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| + ["$(output) = vec4(",
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| + " $(func)($(input).xy * vec2(kPI, k2PI)) * 0.5 + vec2(0.5, 0.5),",
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| + " 0, 1);"].join("\n"),
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| + ["$(output) = vec4(",
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| + " $(func)($(input).xyz * vec3(kPI, k2PI, 4.0)) * ",
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| + " 0.5 + vec3(0.5, 0.5, 0.5),",
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| + " 1);"].join("\n"),
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| + ["$(output) = ",
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| + " $(func)($(input) * vec4(k2PI, 4.0, kHalfPI, kPI)) *",
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| + " 0.5 + vec4(0.5, 0.5, 0.5, 1);",
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| + ].join("\n")
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| + ]
|
| +});
|
| +successfullyParsed = true;
|
| +</script>
|
| +</body>
|
| +</html>
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| +
|
|
|
| Property changes on: conformance/glsl/functions/glsl-function-cos.html
|
| ___________________________________________________________________
|
| Added: svn:executable
|
| + *
|
| Added: svn:eol-style
|
| + LF
|
|
|
|
|
Chromium Code Reviews
Issue 8342021:
Add webgl conformance tests r15841. (Closed)
Base URL: svn://chrome-svn/chrome/trunk/deps/third_party/webgl/sdk/tests/