getextension-while-pbo-bound-stability.html

Enable keyboard shortcuts

<!--

Copyright (c) 2019 The Khronos Group Inc.

Use of this source code is governed by an MIT-style license that can be

found in the LICENSE.txt file.

-->

<!DOCTYPE html>

<html>

<head>

<meta charset="utf-8">

<title>WebGL2 getExtension while PBO bound stability conformance test.</title>

<link rel="stylesheet" href="../../resources/js-test-style.css"/>

<script src="../../js/js-test-pre.js"></script>

<script src="../../js/webgl-test-utils.js"></script>

</head>

<body>

<div id="description"></div>

<div id="console"></div>

<script>

"use strict";

var wtu = WebGLTestUtils;

function runTest(extension_name) {

  debug("");

  debug("getExtension('" + extension_name + "') while PIXEL_UNPACK_BUFFER bound should be stable");

  var gl = wtu.create3DContext(null, undefined, 2);

  if (!gl) {

    testFailed("Fail to get a WebGL context");

    return;

  var pbo = gl.createBuffer();

  gl.bindBuffer(gl.PIXEL_UNPACK_BUFFER, pbo);

  var ext = gl.getExtension('EXT_color_buffer_float');

  var gl_texture_float_linear = gl.getExtension(extension_name);

  wtu.glErrorShouldBe(gl, gl.NO_ERROR, "Late-enable of extension should succeed");

  if (pbo != gl.getParameter(gl.PIXEL_UNPACK_BUFFER_BINDING)) {

      testFailed("Fail to maintain PIXEL_UNPACK_BUFFER binding when enabling extension " + extension_name);

function runTests() {

  debug("This is a regression test for <a href='https://bugs.chromium.org/p/chromium/issues/detail?id=641643'>Chromium Issue 641642</a>");

  runTest('EXT_color_buffer_float');

  runTest('OES_texture_float_linear');

runTests();

debug("");

var successfullyParsed = true;

</script>

<script src="../../js/js-test-post.js"></script>

</body>

</html>