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products/Sources/formale Sprachen/C/Firefox/gfx/tests/mochitest/ (Firefox Browser Version 153.0.1^©) Datei vom 27.6.2026 mit Größe 4 kB

Quelle test_acceleration.html

Sprache: HTML

products/Sources/formale Sprachen/C/Firefox/gfx/tests/mochitest/test_acceleration.html

<!DOCTYPE HTML>
<html>

<head>
  <title>Test hardware acceleration</title>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=627498">Mozilla Bug 627498</a>
<p id="display"></p>
<div id="content" style="display: none">

</div>
<pre id="test">
<script type="application/javascript">

// Make sure that acceleration is enabled/disabled the way we expect it to be
// based on platform.

SimpleTest.waitForExplicitFinish();

addEventListener("pageshow", runTest, false);

function runTest() {
  var Cc = SpecialPowers.Cc;
  var Ci = SpecialPowers.Ci;

  var sysInfo = SpecialPowers.Services.sysinfo;
  var xr = SpecialPowers.Services.appinfo;

  var windows = SpecialPowers.Services.ww.getWindowEnumerator();
  var windowutils;
  var acceleratedWindows = 0;
  var webrenderWindows = 0;
  var layerManagerLog = [];
  while (windows.hasMoreElements()) {
    try {
      windowutils = windows.getNext().windowUtils;
    } catch (e) {
      todo(false, "Bug X - don't expose BFCached pages through window enumerator");
    }
    try {
      var layerManager = windowutils.layerManagerType;
      if (layerManager != "Basic" && layerManager != "WebRender (Software)") {
        acceleratedWindows++;
      }
      if (layerManager.startsWith("WebRender")) {
        webrenderWindows++;
      }
      layerManagerLog.push(layerManager);
    } catch (e) {
      // The window may not have a layer manager, in which case we get an error.
      // Don't count it as an accelerated window.
      dump("Didn't get a layer manager! " + e);
    }
  }

  var osName = sysInfo.getProperty("name");
  switch (osName) {
    case "Darwin": // Mac OS X.
      // We only enable OpenGL layers on machines that don't support QuickDraw
      // plugins. x86-64 architecture is a good proxy for this plugin support.
      if (sysInfo.getProperty("arch") != "x86-64") {
        is(acceleratedWindows, 0, "Acceleration not supported on x86 OS X");
      } else {
        // Workaround for SeaMonkey tinderboxes which don't support acceleration.
        if (navigator.userAgent.match(/ SeaMonkey\//)) {
          if (acceleratedWindows == 0) {
            todo(false, "Acceleration not supported on x86-64 OS X" +
                        " (This is expected on SeaMonkey (tinderboxes).)");
            break;
          }
        }

        isnot(acceleratedWindows, 0, "Acceleration enabled on x86-64 OS X");
      }
      break;

    case "Windows_NT": // Windows.
      var version = parseFloat(sysInfo.getProperty("version"));
      if (version == 5.0) {
        is(acceleratedWindows, 0, "Acceleration not supported on Windows 2000");
      } else {
        // Workaround for SeaMonkey tinderboxes which don't support acceleration.
        if (navigator.userAgent.match(/ SeaMonkey\//)) {
          if (acceleratedWindows == 0) {
            todo(false, "Acceleration not supported on Windows XP or newer" +
                        " (This is expected on SeaMonkey (tinderboxes).)");
            break;
          }
        }

        isnot(acceleratedWindows, 0, "Acceleration enabled on Windows XP or newer");
      }

      var gfxInfo = Cc["@mozilla.org/gfx/info;1"].getService(Ci.nsIGfxInfo);
      if (version < 6.1) {
        ok(!gfxInfo.DWriteEnabled, "DirectWrite not supported on Windows 2008 or older");
      } else {
        ok(gfxInfo.DWriteEnabled, "DirectWrite enabled on Windows 7 or newer");
      }

      var shouldGetWR = false;
      try {
        shouldGetWR = SpecialPowers.DOMWindowUtils.isWebRenderRequested;
      } catch (e) {}

      if (shouldGetWR) {
        isnot(webrenderWindows, 0, "WebRender enabled on Windows");
      } else {
        is(webrenderWindows, 0, "WebRender disabled on Windows");
      }
      break;

    case "Linux":
      todo(false, "Acceleration supported on Linux, but only on taskcluster instances (bug 1296086)");
      break;

    default:
      if (xr.OS == "Android") {
        isnot(acceleratedWindows, 0, "Acceleration enabled on Android");
      } else {
        is(acceleratedWindows, 0, "Acceleration not supported on '" + osName + "'");
      }
  }

  SimpleTest.finish();
}

</script>
</pre>
</body>
</html>

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