| Index: LayoutTests/compositing/layer-creation/fixed-position-nonscrollable-body-overlap.html
|
| diff --git a/LayoutTests/compositing/layer-creation/fixed-position-nonscrollable-body-overlap.html b/LayoutTests/compositing/layer-creation/fixed-position-nonscrollable-body-overlap.html
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..0fde0b931305c640b168131ea7af11cc6f215f48
|
| --- /dev/null
|
| +++ b/LayoutTests/compositing/layer-creation/fixed-position-nonscrollable-body-overlap.html
|
| @@ -0,0 +1,69 @@
|
| +<!DOCTYPE html>
|
| +
|
| +<html>
|
| +<head>
|
| + <style>
|
| + .fixed {
|
| + position: fixed;
|
| + z-index: 1;
|
| + }
|
| +
|
| + .absolute {
|
| + position: absolute;
|
| + }
|
| +
|
| + .unscrollable {
|
| + overflow-x: hidden;
|
| + overflow-y: hidden;
|
| + }
|
| +
|
| + .box {
|
| + top: 100px;
|
| + left: 10px;
|
| + width: 100px;
|
| + height: 100px;
|
| + }
|
| +
|
| + .red {
|
| + background-color: red;
|
| + }
|
| +
|
| + .lime {
|
| + background-color: lime;
|
| + }
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| +
|
| + .composited {
|
| + -webkit-transform: translatez(0);
|
| + }
|
| + </style>
|
| +
|
| + <script type="text/javascript">
|
| + if (window.internals)
|
| + window.internals.settings.setAcceleratedCompositingForFixedPositionEnabled(true);
|
| +
|
| + if (window.testRunner) {
|
| + testRunner.dumpAsText();
|
| +
|
| + window.addEventListener("load", function() {
|
| + document.getElementById("layertree").innerText = window.internals.layerTreeAsText(document);
|
| + }, false);
|
| + }
|
| + </script>
|
| +</head>
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| +
|
| +<body class="unscrollable">
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| + <div style="height: 4000px">
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| + <p>Even though we can opt-out of fixed-position compositing for
|
| + unscrollable fixed-position containers, we still need to composite
|
| + fixed-position layers that need compositing for other reasons such as
|
| + overlap.</p>
|
| + <pre id="layertree"></pre>
|
| + </div>
|
| +
|
| + <div class="absolute composited red box"></div>
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| +
|
| + <!-- This should be composited because it overlaps a composited layer. -->
|
| + <div class="fixed lime box"></div>
|
| +</body>
|
| +</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