| Index: LayoutTests/compositing/layer-creation/fixed-position-nonscrollable-body-mismatch-containers.html
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| diff --git a/LayoutTests/compositing/layer-creation/fixed-position-nonscrollable-body-mismatch-containers.html b/LayoutTests/compositing/layer-creation/fixed-position-nonscrollable-body-mismatch-containers.html
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| new file mode 100644
|
| index 0000000000000000000000000000000000000000..9a64e7f8e079ff5eac5b1efd5f897c0f13a35533
|
| --- /dev/null
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| +++ b/LayoutTests/compositing/layer-creation/fixed-position-nonscrollable-body-mismatch-containers.html
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| @@ -0,0 +1,75 @@
|
| +<!DOCTYPE html>
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| +
|
| +<html>
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| +<head>
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| + <style>
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| + .fixed {
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| + position: fixed;
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| + z-index: 1;
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| + }
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| +
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| + .absolute {
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| + position: absolute;
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| + }
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| +
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| + .unscrollable {
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| + overflow-x: hidden;
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| + overflow-y: hidden;
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| + }
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| +
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| + .box {
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| + top: 100px;
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| + left: 10px;
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| + width: 100px;
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| + height: 100px;
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| + }
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| +
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| + .bigBox {
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| + width: 300px;
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| + height: 300px;
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| + }
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| +
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| + .red {
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| + background-color: red;
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| + }
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| +
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| + .lime {
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| + background-color: lime;
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| + }
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| +
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| + .composited {
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| + -webkit-transform: translatez(0);
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| + }
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| +
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| + .scrollable {
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| + border: solid black 1px;
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| + overflow: scroll;
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| + }
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| + </style>
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| +
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| + <script type="text/javascript">
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| + if (window.internals)
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| + window.internals.settings.setAcceleratedCompositingForFixedPositionEnabled(true);
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| +
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| + if (window.testRunner) {
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| + testRunner.dumpAsText();
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| +
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| + window.addEventListener("load", function() {
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| + document.getElementById("layertree").innerText = window.internals.layerTreeAsText(document);
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| + }, false);
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| + }
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| + </script>
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| +</head>
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| +
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| +<body class="unscrollable">
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| + <p>Even though the fixed-position element's container is nonscrollable, it
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| + should still be composited because one of its ancestors is scrolling.</p>
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| + <pre id="layertree"></pre>
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| +
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| + <div class="scrollable bigBox">
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| + <div style="height: 800px;"></div>
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| + <div class="fixed lime box"></div>
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| + </div>
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| +</body>
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| +</html>
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| +
|
|
|
Chromium Code Reviews
Issue 13828004:
Avoid compositing fixed-position elements if they cannot scroll (Closed)
Base URL: svn://svn.chromium.org/blink/trunk