dom/canvas/test/webgl-conf/checkout/conformance/glsl/functions/glsl-function-distance.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 distance function test</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-generator.js"> </script>
  17 </head>
  18 <body>
  19 <div id="description"></div>
  20 <div id="console"></div>
  21 <script>
  22 "use strict";
  23
  24 GLSLGenerator.runFeatureTest({
  25   feature: "distance",
  26   args: "$(type) p1, $(type) p2",
  27   baseArgs: "value$(field)",
  28   testFunc: "$(func)($(type),$(type))",
  29   emuFuncs: [
  30     { type: "float",
  31       code: [
  32         "float $(func)_emu($(args)) {",
  33         "   return abs(p1 - p2);",
  34         "}"].join("\n")
  35     },
  36     { type: "vec2",
  37       code: [
  38         "float $(func)_emu($(args)) {",
  39         "   return length(p1 - p2);",
  40         "}"].join("\n")
  41     },
  42     { type: "vec3",
  43       code: [
  44         "float $(func)_emu($(args)) {",
  45         "   return length(p1 - p2);",
  46         "}"].join("\n")
  47     },
  48     { type: "vec4",
  49       code: [
  50         "float $(func)_emu($(args)) {",
  51         "   return length(p1 - p2);",
  52         "}"].join("\n")
  53     }
  54   ],
  55   gridRes: 8,
  56   tests: [
  57     ["$(output) = vec4(",
  58      "    $(func)(",
  59      "        $(input).x * 8.0 - 4.0,",
  60      "        $(input).y * 8.0 - 4.0) / 8.0,",
  61      "    0,",
  62      "    0,",
  63      "    1);"].join("\n"),
  64     ["$(output) = vec4(",
  65      "    0,",
  66      "    $(func)(",
  67      "        $(input).xy * 8.0 - 4.0,",
  68      "        $(input).wz * 8.0 - 4.0) / 8.0,",
  69      "    0, 1);"].join("\n"),
  70     ["$(output) = vec4(",
  71      "    0, 0,",
  72      "    $(func)(",
  73      "        $(input).xyz * 8.0 - 4.0,",
  74      "        $(input).yzw * 8.0 - 4.0) / 8.0,",
  75      "    1);"].join("\n"),
  76     ["$(output) = vec4(",
  77      "    $(func)(",
  78      "        vec4($(input).xyz, 0) * 8.0 - 4.0,",
  79      "        vec4(0, $(input).wzy) * 8.0 - 4.0) / 8.0,",
  80      "    0, 0, 1);",
  81     ].join("\n")
  82   ]
  83 });
  84 var successfullyParsed = true;
  85 </script>
  86 </body>
  87 </html>
  88