1 files changed, 110 insertions, 0 deletions
diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/glsl/bugs/nested-functions-should-not-crash.html b/dom/canvas/test/webgl-conf/checkout/conformance/glsl/bugs/nested-functions-should-not-crash.html
new file mode 100644
index 000000000..5408ff5b1
--- /dev/null
+++ b/dom/canvas/test/webgl-conf/checkout/conformance/glsl/bugs/nested-functions-should-not-crash.html
@@ -0,0 +1,110 @@
+<!--
+
+/*
+** Copyright (c) 2012 The Khronos Group Inc.
+**
+** Permission is hereby granted, free of charge, to any person obtaining a
+** copy of this software and/or associated documentation files (the
+** "Materials"), to deal in the Materials without restriction, including
+** without limitation the rights to use, copy, modify, merge, publish,
+** distribute, sublicense, and/or sell copies of the Materials, and to
+** permit persons to whom the Materials are furnished to do so, subject to
+** the following conditions:
+**
+** The above copyright notice and this permission notice shall be included
+** in all copies or substantial portions of the Materials.
+**
+** THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+** MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
+*/
+
+-->
+
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>Driver Bug - nested functions should not crash</title>
+<link rel="stylesheet" href="../../../resources/js-test-style.css"/>
+<script src="../../../js/js-test-pre.js"></script>
+<script src="../../../js/webgl-test-utils.js"></script>
+<script src="../../../js/glsl-conformance-test.js"></script>
+</head>
+<body>
+<canvas id="example" width="40" height="40"> </canvas>
+<div id="description"></div>
+<div id="console"></div>
+<script id="vshader" type="x-shader/x-vertex">
+void main(){
+  gl_Position = vec4(0, 0, 0, 1);
+}
+</script>
+<script id="fshaderUniformTest" type="x-shader/x-fragment">
+precision mediump float;
+uniform vec4 u_uniform;
+
+$(code)
+
+void main()
+{
+  gl_FragColor = function0();
+}
+</script>
+<script>
+"use strict";
+var wtu = WebGLTestUtils;
+var gl = wtu.create3DContext();
+
+var fUniformTestSource = wtu.getScript("fshaderUniformTest");
+
+var tests = [
+];
+var counts = [
+  { count:10,
+    mustPass: true,
+  },
+  { count:100,
+    mustPass: false,
+  },
+  { count: 1000,
+    mustPass: false,
+  },
+  { count: 10000,
+    mustPass: false,
+  },
+];
+var operators = ["+", "-", "/", "*"];
+counts.forEach(function(info) {
+  var generateCode = function(numVars) {
+    var codes = [];
+    codes.push("vec4 function" + numVars + "() { return u_uniform; }");
+    for (var uu = 0; uu < numVars; ++uu) {
+      var id = numVars - uu - 1;
+      codes.push("vec4 function" + id + "() { return function" + (id + 1) + "(); }");
+    }
+    return {
+      code: codes.join("\n\n"),
+    };
+  };
+
+  var subs = generateCode(info.count);
+  tests.push({
+    vShaderId: "vshader",
+    vShaderSuccess: true,
+    fShaderSource: wtu.replaceParams(fUniformTestSource, subs),
+    fShaderSuccess: true,
+    linkSuccess: true,
+    ignoreResults: !info.mustPass,
+    passMsg: "shader with " + info.count + " nested functions",
+  });
+});
+GLSLConformanceTester.runTests(tests);
+</script>
+</body>
+</html>
+