dom/canvas/test/webgl-conf/checkout/conformance2/glsl3/uniform-block-layouts.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>Disallowed uniform block layouts</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="fshaderPackedUniformBlock" type="x-shader/x-fragment">#version 300 es
  21 precision mediump float;
  22
  23 out vec4 my_FragColor;
  24 layout(packed) uniform foo {
  25     vec4 bar;
  26 };
  27
  28 void main() {
  29     my_FragColor = bar;
  30 }
  31 </script>
  32 <script id="fshaderSharedUniformBlock" type="x-shader/x-fragment">#version 300 es
  33 precision mediump float;
  34
  35 out vec4 my_FragColor;
  36 layout(shared) uniform foo {
  37     vec4 bar;
  38 };
  39
  40 void main() {
  41     my_FragColor = bar;
  42 }
  43 </script>
  44 <script type="application/javascript">
  45 "use strict";
  46 description("WebGL does not allow interface blocks with shared or packed layouts.");
  47
  48 GLSLConformanceTester.runTests([
  49 {
  50   fShaderId: 'fshaderPackedUniformBlock',
  51   fShaderSuccess: false,
  52   passMsg: 'Packed uniform buffers are disallowed'
  53 },
  54 {
  55   fShaderId: 'fshaderSharedUniformBlock',
  56   fShaderSuccess: false,
  57   passMsg: 'Shared uniform buffers are disallowed'
  58 }
  59 ], 2);
  60 </script>
  61 </body>
  62 </html>
  63