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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>GLSL smoothstep-gentype function test</title>
<link rel="stylesheet" href="../../../resources/js-test-style.css"/>
<link rel="stylesheet" href="../../../resources/glsl-feature-tests.css"/>
<script src="../../../js/js-test-pre.js"></script>
<script src="../../../js/webgl-test-utils.js"> </script>
<script src="../../../js/glsl-generator.js"> </script>
</head>
<body>
<div id="description"></div>
<div id="console"></div>
<script>
"use strict";

GLSLGenerator.runFeatureTest({
  feature: "smoothstep",
  args: "$(type) edge0, $(type) edge1, $(type) value",
  baseArgs: "edge0$(field), edge1$(field), value$(field)",
  testFunc: "$(func)($(type), $(type), $(type))",
  emuFunc: ["float $(func)_base(float edge0, float edge1, float value) {",
            "  float t = clamp((value - edge0) / (edge1 - edge0), 0.0, 1.0);",
            "  return t * t * (3.0 - 2.0 * t);",
            "}"].join("\n"),
  gridRes: 8,
  tolerance: 1,
  tests: [
    ["$(output) = vec4(",
     "    $(func)(0.3, 0.7, $(input).x),",
     "    $(func)(0.2, 0.8, $(input).y),",
     "    0,",
     "    1);"].join("\n"),
    ["$(output) = vec4(",
     "    $(func)(vec2(0.4, 0.6), vec2(0.8, 0.9), $(input).xy),",
     "    0, 1);"].join("\n"),
    ["$(output) = vec4(",
     "    $(func)(vec3(0.3, 0.5, 0.7), vec3(0.7, 0.9, 1.0), $(input).xyz),",
     "    1);"].join("\n"),
    ["$(output) = ",
     "    $(func)(vec4(0.3, 0.4, 0.5, 0.2), ",
     "            vec4(0.7, 0.6, 0.9, 0.8), ",
     "            $(input));"].join("\n")
  ]
});
var successfullyParsed = true;
</script>
</body>
</html>