conformance/glsl/functions/glsl-function-sin.html - Issue 8342021: Add webgl conformance tests r15841.

Unified Diff: conformance/glsl/functions/glsl-function-sin.html

Issue 8342021: Add webgl conformance tests r15841. (Closed) Base URL: svn://chrome-svn/chrome/trunk/deps/third_party/webgl/sdk/tests/

Patch Set: Created 9 years, 2 months ago

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Index: conformance/glsl/functions/glsl-function-sin.html

===================================================================

--- conformance/glsl/functions/glsl-function-sin.html (revision 0)

+++ conformance/glsl/functions/glsl-function-sin.html (revision 0)

@@ -0,0 +1,82 @@

+<!--

+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 sin 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: "sin",

+ args: "$(type) value",

+ baseArgs: "value$(field)",

+ testFunc: "$(func)($(type))",

+ emuFunc: [

+ sinImplementation,

+ "float $(func)_base(float value) {",

+ " return sin_impl(value);",

+ "}"

+ ].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>

Property changes on: conformance/glsl/functions/glsl-function-sin.html

___________________________________________________________________

Added: svn:executable

+ *

Added: svn:eol-style

+ LF