1 files changed, 56 insertions, 0 deletions
diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/glsl/functions/glsl-function-smoothstep-gentype.html b/dom/canvas/test/webgl-conf/checkout/conformance/glsl/functions/glsl-function-smoothstep-gentype.html
new file mode 100644
index 0000000000..84c992ed64
--- /dev/null
+++ b/dom/canvas/test/webgl-conf/checkout/conformance/glsl/functions/glsl-function-smoothstep-gentype.html
@@ -0,0 +1,56 @@
+<!--
+Copyright (c) 2019 The Khronos Group Inc.
+Use of this source code is governed by an MIT-style license that can be
+found in the LICENSE.txt file.
+-->
+
+<!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>