dom/canvas/test/webgl-conf/checkout/conformance/glsl/bugs/undefined-index-should-not-crash.html

   1 <!--
   2 Copyright (c) 2019 The Khronos Group Inc.
   3 Use of this source code is governed by an MIT-style license that can be
   4 found in the LICENSE.txt file.
   5 -->
   6
   7 <!DOCTYPE html>
   8 <html>
   9 <head>
  10 <meta charset="utf-8">
  11 <title>Bug - indexing with 'int()' should not crash</title>
  12 <link rel="stylesheet" href="../../../resources/js-test-style.css"/>
  13 <script src="../../../js/js-test-pre.js"></script>
  14 <script src="../../../js/webgl-test-utils.js"></script>
  15 <script src="../../../js/glsl-conformance-test.js"></script>
  16 </head>
  17 <body>
  18 <canvas id="example" width="40" height="40"> </canvas>
  19 <div id="description"></div>
  20 <div id="console"></div>
  21 <script id="vshader" type="x-shader/x-vertex">
  22 void main(){
  23   gl_Position = vec4(0.0, 0.0, 0.0, 1.0);
  24 }
  25 </script>
  26 <script id="fshaderTest" type="x-shader/x-fragment">
  27 precision mediump float;
  28 uniform vec4 uniformVec;
  29 uniform mat4 uniformMat;
  30 uniform float uniformArray[4];
  31 void main()
  32 {
  33   vec4 tempVec = vec4(0.0);
  34   mat4 tempMat = mat4(0.0);
  35   float tempArray[4];
  36   gl_FragColor = vec4($(indexed)[int()]);
  37 }
  38 </script>
  39 <script>
  40 "use strict";
  41 var wtu = WebGLTestUtils;
  42
  43 var fTestSource = wtu.getScript("fshaderTest");
  44
  45 var tests = [];
  46
  47 var indexedValues = ['tempVec', 'tempMat[0]', 'tempArray', 'uniformVec', 'uniformMat[0]', 'uniformArray'];
  48
  49 for (var i = 0; i < indexedValues.length; ++i) {
  50   var subs = {indexed: indexedValues[i]};
  51   tests.push({
  52     vShaderId: "vshader",
  53     vShaderSuccess: true,
  54     fShaderSource: wtu.replaceParams(fTestSource, subs),
  55     fShaderSuccess: false,
  56     linkSuccess: false,
  57     passMsg: "shader with invalid index expression int() should not compile",
  58   });
  59 }
  60 GLSLConformanceTester.runTests(tests);
  61 </script>
  62 </body>
  63 </html>
  64