| Index: LayoutTests/compositing/repaint/fixed-pos-inside-composited-intermediate-layer.html
|
| diff --git a/LayoutTests/compositing/repaint/fixed-pos-inside-composited-intermediate-layer.html b/LayoutTests/compositing/repaint/fixed-pos-inside-composited-intermediate-layer.html
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..b41f7c6208588f610161badbf5e1bbea1b98f017
|
| --- /dev/null
|
| +++ b/LayoutTests/compositing/repaint/fixed-pos-inside-composited-intermediate-layer.html
|
| @@ -0,0 +1,79 @@
|
| +<!DOCTYPE html>
|
| +<html>
|
| +
|
| +<head>
|
| +<style>
|
| +
|
| +.compositedBehind {
|
| + width: 500px;
|
| + height: 500px;
|
| + -webkit-transform: translatez(0);
|
| + background-color: cyan;
|
| +}
|
| +
|
| +.containerOverlapsComposited {
|
| + position: absolute;
|
| + z-index: 2; /* Creates a stacking context so that the fixed-pos layer is contained instead of a sibling */
|
| + top: 20px;
|
| + left: 20px;
|
| + width: 100px;
|
| + height: 30000px;
|
| + background-color: green;
|
| +}
|
| +
|
| +.fixed {
|
| + position: fixed;
|
| + top: 45px;
|
| + left: 45px;
|
| + background-color: lime;
|
| + width: 50px;
|
| + height: 50px;
|
| +}
|
| +
|
| +</style>
|
| +
|
| +<script>
|
| + if (window.testRunner)
|
| + testRunner.dumpAsText();
|
| +
|
| + if (window.internals) {
|
| + /* Note carefully, compositing for fixed position is _disabled_ here */
|
| + internals.settings.setAcceleratedCompositingForFixedPositionEnabled(false);
|
| + internals.settings.setFixedPositionCreatesStackingContext(true);
|
| + }
|
| +
|
| + function test()
|
| + {
|
| + document.body.offsetHeight;
|
| + if (window.internals)
|
| + window.internals.startTrackingRepaints(document);
|
| +
|
| + window.scrollTo(0, 100);
|
| +
|
| + if (window.internals)
|
| + document.getElementById('layers').textContent = window.internals.layerTreeAsText(document, internals.LAYER_TREE_INCLUDES_REPAINT_RECTS);
|
| + }
|
| +</script>
|
| +
|
| +</head>
|
| +
|
| +
|
| +
|
| +<body onload="test()">
|
| + <!--
|
| + Among other duplicate bugs: https://code.google.com/p/chromium/issues/detail?id=128375
|
| + A non-composited fixed-position element can get grouped into a composited container.
|
| + In this case, repaint invalidations were incorrectly going to the RenderView instead
|
| + of the composited container. The incorrect result was that the fixed-position element
|
| + never repainted, and it appeared to scroll along with the composited container.
|
| + -->
|
| + <div class="compositedBehind"> </div>
|
| +
|
| + <div class="containerOverlapsComposited">
|
| + <div class="fixed"></div>
|
| + </div>
|
| +
|
| + <pre id="layers"></pre>
|
| +</body>
|
| +
|
| +</html>
|
|
|
Chromium Code Reviews
Issue 23523046:
Fixed-position repaint invalidations should be sent to the correct composited layer. (Closed)
Base URL: svn://svn.chromium.org/blink/trunk