dom/canvas/test/webgl-conf/checkout/conformance2/glsl3/sampler-no-precision.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 sampler with no precision qualifier 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="vshaderSamplerNoPrecision" type="x-shader/x-vertex">#version 300 es
  21 precision mediump float;
  22
  23 uniform $(samplerType) u_sampler;
  24
  25 void main() {
  26     gl_Position = vec4(0.0);
  27 }
  28 </script>
  29 <script id="fshaderSamplerNoPrecision" type="x-shader/x-fragment">#version 300 es
  30 precision mediump float;
  31
  32 out vec4 my_FragColor;
  33 uniform $(samplerType) u_sampler;
  34
  35 void main() {
  36     my_FragColor = vec4(0.0);
  37 }
  38 </script>
  39 <script type="application/javascript">
  40 "use strict";
  41 description("ESSL3 sampler with no precision qualifier should not compile.");
  42
  43 var wtu = WebGLTestUtils;
  44
  45 var fragmentShaderTemplate = wtu.getScript('fshaderSamplerNoPrecision');
  46 var vertexShaderTemplate = wtu.getScript('vshaderSamplerNoPrecision');
  47
  48 // ESSL 3.00.4 section 4.5.4 types with no predefined precision.
  49 var samplerTypes = [
  50     'sampler3D',
  51     'samplerCubeShadow',
  52     'sampler2DShadow',
  53     'sampler2DArray',
  54     'sampler2DArrayShadow',
  55     'isampler2D',
  56     'isampler3D',
  57     'isamplerCube',
  58     'isampler2DArray',
  59     'usampler2D',
  60     'usampler3D',
  61     'usamplerCube',
  62     'usampler2DArray'
  63 ];
  64
  65 var tests = [];
  66
  67 for (var i = 0; i < samplerTypes.length; ++i) {
  68     var type = samplerTypes[i];
  69     var vertexShaderSrc = wtu.replaceParams(vertexShaderTemplate, {'samplerType': type});
  70     tests.push({
  71         vShaderSource: vertexShaderSrc,
  72         vShaderSuccess: false,
  73         linkSuccess: false,
  74         passMsg: 'Vertex shader with a ' + type + ' uniform with no precision qualifier should not compile'
  75     });
  76     var fragmentShaderSrc = wtu.replaceParams(fragmentShaderTemplate, {'samplerType': type});
  77     tests.push({
  78         fShaderSource: fragmentShaderSrc,
  79         fShaderSuccess: false,
  80         linkSuccess: false,
  81         passMsg: 'Fragment shader with a ' + type + ' uniform with no precision qualifier should not compile'
  82     });
  83 }
  84
  85 GLSLConformanceTester.runTests(tests, 2);
  86 </script>
  87 </body>
  88 </html>