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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>GLSL abs 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>
"use strict";
GLSLGenerator.runFeatureTest({
feature: "abs",
testFunc: "$(func)($(arg0))",
emuFunc: ["float $(func)_base(float value) {",
" return value >= 0.0 ? value : -value;",
"}"].join("\n"),
gridRes: 4,
tests: [
["$(output) = vec4(",
" $(func)($(input).x * 2.0 - 1.0),",
" 0.5,",
" 0,",
" 1);"].join("\n"),
"$(output) = vec4(0, $(func)($(input).xy * 2.0 - vec2(1, 1)), 1);",
"$(output) = vec4($(func)($(input).xyz * 2.0 - vec3(1, 1, 1)), 1);",
"$(output) = $(func)($(input) * 2.0 - vec4(1, 1, 1, 1));"
]
});
var successfullyParsed = true;
</script>
</body>
</html>