dom/canvas/test/webgl-conf/checkout/conformance/uniforms/gl-uniform-bool.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 uniformMatrix Conformance Tests</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 </head>
  16 <body>
  17 <div id="description"></div>
  18 <div id="console"></div>
  19 <canvas id="example" width="2" height="2"> </canvas>
  20     <script id="vshader" type="x-shader/x-vertex">
  21         attribute vec4 vPosition;
  22         void main()
  23         {
  24             gl_Position = vPosition;
  25         }
  26     </script>
  27
  28     <script id="fshader" type="x-shader/x-fragment">
  29         uniform bool color;
  30         void main()
  31         {
  32             gl_FragColor = vec4(float(color),0.0,0.0,1.0);
  33         }
  34     </script>
  35 <script>
  36 "use strict";
  37 description("This test ensures WebGL implementations handle bool uniforms in a OpenGL ES 2.0 spec compliant way");
  38
  39 debug("");
  40 debug("NOTE: Some OpenGL drivers do not handle this correctly");
  41 debug("");
  42 debug("Checking gl.uniform1f with bool.");
  43
  44 var wtu = WebGLTestUtils;
  45 var gl = wtu.create3DContext("example");
  46 var program = wtu.setupProgram(gl, ["vshader", "fshader"], ["vPosition"]);
  47 var loc = gl.getUniformLocation(program, "color");
  48 gl.uniform1f(loc, 1);
  49 wtu.glErrorShouldBe(gl, gl.NO_ERROR,
  50                 "should be able to set bool with gl.uniform1f");
  51
  52 debug("");
  53 var successfullyParsed = true;
  54
  55 </script>
  56 <script src="../../js/js-test-post.js"></script>
  57
  58 </body>
  59 </html>