dom/canvas/test/webgl-conf/checkout/conformance/attribs/gl-enable-vertex-attrib.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 Enable Vertex Attrib 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/tests/invalid-vertex-attrib-test.js"></script>
  16 </head>
  17 <body>
  18 <canvas id="example" width="50" height="50">
  19 </canvas>
  20 <div id="description"></div>
  21 <div id="console"></div>
  22
  23 <script>
  24 "use strict";
  25 description("tests that turning on attribs that have no buffer bound fails to draw");
  26 const wtu = WebGLTestUtils;
  27 const gl = wtu.create3DContext("example");
  28
  29 async function runInvalidAttribTests() {
  30     const invalidAttribTestFn = createInvalidAttribTestFn(gl);
  31
  32     function drawArrays(gl) {
  33       gl.drawArrays(gl.TRIANGLES, 0, 6);
  34     }
  35
  36     function drawElements(gl) {
  37       gl.drawElements(gl.TRIANGLES, 6, gl.UNSIGNED_BYTE, 0);
  38     }
  39
  40     await invalidAttribTestFn(drawArrays);
  41     await invalidAttribTestFn(drawElements);
  42     finishTest();
  43 }
  44 runInvalidAttribTests();
  45
  46 var successfullyParsed = true;
  47 </script>
  48
  49 </body>
  50 </html>
  51