dom/canvas/test/webgl-conf/checkout/conformance2/glsl3/array-assign.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>GLSL array assignment test</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 <div id="description"></div>
  19 <div id="console"></div>
  20 <script id="fshaderSimple" type="x-shader/x-fragment">#version 300 es
  21 precision mediump float;
  22
  23 out vec4 my_FragColor;
  24
  25 void main() {
  26     // This simple test uses the ESSL1 style array initialization in order
  27     // to be able to test array assignment independently of array constructors.
  28     int a[3];
  29     int b[3];
  30     for (int i = 0; i < 3; ++i) {
  31         a[i] = 0;
  32         b[i] = i;
  33     }
  34     a = b;
  35     bool fail = false;
  36     for (int i = 0; i < 3; ++i) {
  37         if (a[i] != i) {
  38             fail = true;
  39         }
  40     }
  41     my_FragColor = vec4(0.0, (fail ? 0.0 : 1.0), 0.0, 1.0);
  42 }
  43 </script>
  44 <script id="fshaderArrayOfStructs" type="x-shader/x-fragment">#version 300 es
  45 precision mediump float;
  46
  47 out vec4 my_FragColor;
  48
  49 struct S {
  50     int foo;
  51 };
  52
  53 void main() {
  54     // This simple test uses the ESSL1 style array initialization in order
  55     // to be able to test array assignment independently of array constructors.
  56     S a[3];
  57     S b[3];
  58     for (int i = 0; i < 3; ++i) {
  59         a[i].foo = 0;
  60         b[i].foo = i;
  61     }
  62     a = b;
  63     bool fail = false;
  64     for (int i = 0; i < 3; ++i) {
  65         if (a[i].foo != i) {
  66             fail = true;
  67         }
  68     }
  69     my_FragColor = vec4(0.0, (fail ? 0.0 : 1.0), 0.0, 1.0);
  70 }
  71 </script>
  72 <script type="application/javascript">
  73 "use strict";
  74 description("Assigning arrays should work.");
  75
  76 GLSLConformanceTester.runRenderTests([
  77 {
  78   fShaderId: 'fshaderSimple',
  79   fShaderSuccess: true,
  80   linkSuccess: true,
  81   passMsg: 'Arrays of integers'
  82 },
  83 {
  84   fShaderId: 'fshaderArrayOfStructs',
  85   fShaderSuccess: true,
  86   linkSuccess: true,
  87   passMsg: 'Arrays of structs'
  88 }
  89 ], 2);
  90 </script>
  91 </body>
  92 </html>
  93