dom/canvas/test/webgl-conf/checkout/conformance/glsl/misc/shaders-with-missing-varyings.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>WebGL GLSL Conformance Tests</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="vertexShader" type="text/something-not-javascript">
  22 // GLSL 1.0.17 4.3.5
  23 void main()
  24 {
  25     gl_Position = vec4(0,0,0,0);
  26 }
  27 </script>
  28 <script id="fragmentShader" type="text/something-not-javascript">
  29 // GLSL 1.0.17 4.3.5
  30 precision mediump float;
  31
  32 varying $(type) v_varying;
  33
  34 void main()
  35 {
  36     gl_FragColor = $(code);
  37 }
  38 </script>
  39 <script>
  40 "use strict";
  41 var wtu = WebGLTestUtils;
  42 var varyingTypes = [
  43   { type: "float",  code: "vec4(v_varying, 0, 0, 0)", },
  44   { type: "vec2",  code: "vec4(v_varying, 0, 0)", },
  45   { type: "vec3",  code: "vec4(v_varying, 0)", },
  46   { type: "vec4",  code: "vec4(v_varying)", },
  47   { type: "mat2",  code: "vec4(v_varying[0][0], 0, 0, 0)", },
  48   { type: "mat3",  code: "vec4(v_varying[0][0], 0, 0, 0)", },
  49   { type: "mat4",  code: "vec4(v_varying[0][0], 0, 0, 0)", },
  50 ];
  51 var vSource = wtu.getScript("vertexShader");
  52 var fSource = wtu.getScript("fragmentShader");
  53 var tests = [];
  54 for (var ii = 0; ii < varyingTypes.length; ++ii) {
  55   var u1 = varyingTypes[ii];
  56   var vs = wtu.replaceParams(vSource, u1);
  57   for (var jj = ii + 1; jj < varyingTypes.length; ++jj) {
  58     var u2 = varyingTypes[jj];
  59     var fs = wtu.replaceParams(fSource, u2);
  60     tests.push({
  61       vShaderSource: vs,
  62       vShaderSuccess: true,
  63       fShaderSource: fs,
  64       fShaderSuccess: true,
  65       linkSuccess: false,
  66       passMsg: "vertex shader no varyings and fragment shader with varying " + u2.type + " should fail to link",
  67     });
  68   }
  69 }
  70 GLSLConformanceTester.runTests(tests);
  71 var successfullyParsed = true;
  72 </script>
  73 </body>
  74 </html>