dom/canvas/test/webgl-conf/checkout/conformance2/glsl3/valid-invariant.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>Positive tests for the use of the invariant qualifier and pragma</title>
  12 <link rel="stylesheet" href="../../resources/js-test-style.css"/>
  13 <link rel="stylesheet" href="../../resources/glsl-feature-tests.css"/>
  14 <script src="../../js/js-test-pre.js"></script>
  15 <script src="../../js/webgl-test-utils.js"></script>
  16 <script src="../../js/glsl-conformance-test.js"></script>
  17 </head>
  18 <body>
  19 <div id="description"></div>
  20 <div id="console"></div>
  21 <script id="vertexShaderInvariant" type="text/something-not-javascript">#version 300 es
  22 precision mediump float;
  23 invariant out vec4 v_varying;
  24
  25 void main()
  26 {
  27     v_varying = vec4(0.0, 0.0, 0.0, 1.0);
  28     gl_Position = v_varying;
  29 }
  30 </script>
  31 <script id="vertexShaderSeparateInvariant" type="text/something-not-javascript">#version 300 es
  32 precision mediump float;
  33 out vec4 v_varying;
  34 invariant v_varying;
  35
  36 void main()
  37 {
  38     v_varying = vec4(0.0, 0.0, 0.0, 1.0);
  39     gl_Position = v_varying;
  40 }
  41 </script>
  42 <script id="vertexShaderGlobalInvariant" type="text/something-not-javascript">#version 300 es
  43 #pragma STDGL invariant(all)
  44 precision mediump float;
  45 out vec4 v_varying;
  46
  47 void main()
  48 {
  49     v_varying = vec4(0.0, 0.0, 0.0, 1.0);
  50     gl_Position = v_varying;
  51 }
  52 </script>
  53 <script id="fragmentShaderVariant" type="text/something-not-javascript">#version 300 es
  54 precision mediump float;
  55
  56 in vec4 v_varying;
  57 out vec4 my_color;
  58
  59 void main()
  60 {
  61     my_color = v_varying;
  62 }
  63 </script>
  64 <script type="application/javascript">
  65 "use strict";
  66 description();
  67 GLSLConformanceTester.runTests([
  68   {
  69     vShaderId: "vertexShaderInvariant",
  70     vShaderSuccess: true,
  71     fShaderId: "fragmentShaderVariant",
  72     fShaderSuccess: true,
  73     linkSuccess: true,
  74     passMsg: "vertex shader with invariant varying and fragment shader with variant varying must succeed",
  75   },
  76   {
  77     vShaderId: "vertexShaderGlobalInvariant",
  78     vShaderSuccess: true,
  79     fShaderId: "fragmentShaderVariant",
  80     fShaderSuccess: true,
  81     linkSuccess: true,
  82     passMsg: "vertex shader with invariant (global setting) varying and fragment shader with variant varying must succeed",
  83   },
  84   {
  85     vShaderId: "vertexShaderSeparateInvariant",
  86     vShaderSuccess: true,
  87     fShaderId: "fragmentShaderVariant",
  88     fShaderSuccess: true,
  89     linkSuccess: true,
  90     passMsg: "vertex shader with invariant (separately set) varying and fragment shader with variant varying must succeed",
  91   },
  92 ], 2);
  93 </script>
  94 </body>
  95 </html>