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<dl class="meta">
<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/206611">206611</a></dd>
<dt>Author</dt> <dd>commit-queue@webkit.org</dd>
<dt>Date</dt> <dd>2016-09-29 14:02:59 -0700 (Thu, 29 Sep 2016)</dd>
</dl>
<h3>Log Message</h3>
<pre>Unreviewed, rolling out <a href="http://trac.webkit.org/projects/webkit/changeset/206483">r206483</a>.
https://bugs.webkit.org/show_bug.cgi?id=162750
May have caused iOS perf regression (Requested by smfr on
#webkit).
Reverted changeset:
"REGRESSION (<a href="http://trac.webkit.org/projects/webkit/changeset/204552">r204552</a>): Yelp carousel animation is not smooth."
https://bugs.webkit.org/show_bug.cgi?id=162632
http://trac.webkit.org/changeset/206483</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkLayoutTestsChangeLog">trunk/LayoutTests/ChangeLog</a></li>
<li><a href="#trunkSourceWebCoreChangeLog">trunk/Source/WebCore/ChangeLog</a></li>
<li><a href="#trunkSourceWebCorerenderingRenderLayerBackingcpp">trunk/Source/WebCore/rendering/RenderLayerBacking.cpp</a></li>
</ul>
<h3>Removed Paths</h3>
<ul>
<li><a href="#trunkLayoutTestscompositinghidpicompositedcontainerandgraphicslayergapchangesexpectedhtml">trunk/LayoutTests/compositing/hidpi-composited-container-and-graphics-layer-gap-changes-expected.html</a></li>
<li><a href="#trunkLayoutTestscompositinghidpicompositedcontainerandgraphicslayergapchangeshtml">trunk/LayoutTests/compositing/hidpi-composited-container-and-graphics-layer-gap-changes.html</a></li>
<li><a href="#trunkLayoutTestscompositinghidpinegativecompositedboundsondevicepixelexpectedhtml">trunk/LayoutTests/compositing/hidpi-negative-composited-bounds-on-device-pixel-expected.html</a></li>
<li><a href="#trunkLayoutTestscompositinghidpinegativecompositedboundsondevicepixelhtml">trunk/LayoutTests/compositing/hidpi-negative-composited-bounds-on-device-pixel.html</a></li>
</ul>
</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkLayoutTestsChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/LayoutTests/ChangeLog (206610 => 206611)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/ChangeLog 2016-09-29 20:33:21 UTC (rev 206610)
+++ trunk/LayoutTests/ChangeLog 2016-09-29 21:02:59 UTC (rev 206611)
</span><span class="lines">@@ -1,3 +1,17 @@
</span><ins>+2016-09-29 Commit Queue <commit-queue@webkit.org>
+
+ Unreviewed, rolling out r206483.
+ https://bugs.webkit.org/show_bug.cgi?id=162750
+
+ May have caused iOS perf regression (Requested by smfr on
+ #webkit).
+
+ Reverted changeset:
+
+ "REGRESSION (r204552): Yelp carousel animation is not smooth."
+ https://bugs.webkit.org/show_bug.cgi?id=162632
+ http://trac.webkit.org/changeset/206483
+
</ins><span class="cx"> 2016-09-29 Ryan Haddad <ryanhaddad@apple.com>
</span><span class="cx">
</span><span class="cx"> Removing El Capitan modifier from flaky test media/restore-from-page-cache.html.
</span></span></pre></div>
<a id="trunkLayoutTestscompositinghidpicompositedcontainerandgraphicslayergapchangesexpectedhtml"></a>
<div class="delfile"><h4>Deleted: trunk/LayoutTests/compositing/hidpi-composited-container-and-graphics-layer-gap-changes-expected.html (206610 => 206611)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/compositing/hidpi-composited-container-and-graphics-layer-gap-changes-expected.html 2016-09-29 20:33:21 UTC (rev 206610)
+++ trunk/LayoutTests/compositing/hidpi-composited-container-and-graphics-layer-gap-changes-expected.html 2016-09-29 21:02:59 UTC (rev 206611)
</span><span class="lines">@@ -1,30 +0,0 @@
</span><del>-<!DOCTYPE html>
-<html>
-<head>
-<title>This tests when the gap between the graphics layer and its associated renderer changes dynamically.</title>
-<style>
-div {
- width: 20px;
- height: 20px;
- background-color: green;
- position: absolute;
-}
-</style>
-</head>
-<body>
-<p id="container"></p>
-<script>
- var subpixel = 0;
- var container = document.getElementById("container");
- for (i = 0; i < 20; ++i) {
- for (j = 0; j < 20; ++j) {
- var outer = document.createElement("div");
- outer.style.top = 25 * i + subpixel + "px";
- outer.style.left = 25 * j + subpixel + "px";
- container.appendChild(outer);
- subpixel += 0.1;
- }
- }
-</script>
-</body>
-</html>
</del></span></pre></div>
<a id="trunkLayoutTestscompositinghidpicompositedcontainerandgraphicslayergapchangeshtml"></a>
<div class="delfile"><h4>Deleted: trunk/LayoutTests/compositing/hidpi-composited-container-and-graphics-layer-gap-changes.html (206610 => 206611)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/compositing/hidpi-composited-container-and-graphics-layer-gap-changes.html 2016-09-29 20:33:21 UTC (rev 206610)
+++ trunk/LayoutTests/compositing/hidpi-composited-container-and-graphics-layer-gap-changes.html 2016-09-29 21:02:59 UTC (rev 206611)
</span><span class="lines">@@ -1,51 +0,0 @@
</span><del>-<!DOCTYPE html>
-<html>
-<head>
-<title>This tests when the gap between the graphics layer and its associated renderer changes dynamically.</title>
-<style>
-div {
- transform: translateZ(0);
- width: 20px;
- height: 20px;
- background-color: green;
- position: absolute;
-}
-
-.boxShadow {
- background-color: yellow;
-}
-</style>
-<script>
- if (window.testRunner)
- testRunner.waitUntilDone();
-
- function runTest() {
- setTimeout(function() {
- var elements = document.getElementsByClassName("boxShadow")
- for (var i = 0; i < elements.length; ++i)
- elements[i].style.boxShadow = "0px 0px 10px transparent";
- if (window.testRunner)
- testRunner.notifyDone();
- }, 0);
- }
-</script>
-</head>
-<body onload="runTest()">
-<p id="container"></p>
-<script>
- var subpixel = 0;
- var container = document.getElementById("container");
- for (i = 0; i < 20; ++i) {
- for (j = 0; j < 20; ++j) {
- var outer = document.createElement("div");
- outer.style.top = 25 * i + subpixel + "px";
- outer.style.left = 25 * j + subpixel + "px";
- outer.className = "boxShadow";
- outer.appendChild(document.createElement("div"));
- container.appendChild(outer);
- subpixel += 0.1;
- }
- }
-</script>
-</body>
-</html>
</del></span></pre></div>
<a id="trunkLayoutTestscompositinghidpinegativecompositedboundsondevicepixelexpectedhtml"></a>
<div class="delfile"><h4>Deleted: trunk/LayoutTests/compositing/hidpi-negative-composited-bounds-on-device-pixel-expected.html (206610 => 206611)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/compositing/hidpi-negative-composited-bounds-on-device-pixel-expected.html 2016-09-29 20:33:21 UTC (rev 206610)
+++ trunk/LayoutTests/compositing/hidpi-negative-composited-bounds-on-device-pixel-expected.html 2016-09-29 21:02:59 UTC (rev 206611)
</span><span class="lines">@@ -1,37 +0,0 @@
</span><del>-<!DOCTYPE html>
-<html>
-<head>
-<title>This tests when the composited bounds lands on device pixel.</title>
-<style>
-.container {
- position: absolute;
- background-color: green;
- width: 50px;
- height: 50px;
- left: 10.1px;
- top: 10.1px;
-}
-
-.offset {
- background-color: blue;
- width: 10px;
- height: 10px;
- left: -0.6px;
- top: -0.7px;
- position: relative;
- }
-
-.jiggle {
- height: 30px;
- width: 30px;
- background-color: red;
-}
-</style>
-</head>
-<body>
-<div class=container>
- <div class=offset></div>
- <div class=jiggle></div>
-</div>
-</body>
-</html>
</del></span></pre></div>
<a id="trunkLayoutTestscompositinghidpinegativecompositedboundsondevicepixelhtml"></a>
<div class="delfile"><h4>Deleted: trunk/LayoutTests/compositing/hidpi-negative-composited-bounds-on-device-pixel.html (206610 => 206611)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/compositing/hidpi-negative-composited-bounds-on-device-pixel.html 2016-09-29 20:33:21 UTC (rev 206610)
+++ trunk/LayoutTests/compositing/hidpi-negative-composited-bounds-on-device-pixel.html 2016-09-29 21:02:59 UTC (rev 206611)
</span><span class="lines">@@ -1,39 +0,0 @@
</span><del>-<!DOCTYPE html>
-<html>
-<head>
-<title>This tests when the composited bounds lands on device pixel.</title>
-<style>
-.container {
- position: absolute;
- background-color: green;
- transform: translateZ(0);
- width: 50px;
- height: 50px;
- left: 10.1px;
- top: 10.1px;
-}
-
-.offset {
- background-color: blue;
- width: 10px;
- height: 10px;
- left: -0.6px;
- top: -0.7px;
- position: relative;
- }
-
-.jiggle {
- height: 30px;
- width: 30px;
- background-color: red;
- transform: translateZ(0);
-}
-</style>
-</head>
-<body>
-<div class=container>
- <div class=offset></div>
- <div class=jiggle></div>
-</div>
-</body>
-</html>
</del></span></pre></div>
<a id="trunkSourceWebCoreChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/ChangeLog (206610 => 206611)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/ChangeLog 2016-09-29 20:33:21 UTC (rev 206610)
+++ trunk/Source/WebCore/ChangeLog 2016-09-29 21:02:59 UTC (rev 206611)
</span><span class="lines">@@ -1,3 +1,17 @@
</span><ins>+2016-09-29 Commit Queue <commit-queue@webkit.org>
+
+ Unreviewed, rolling out r206483.
+ https://bugs.webkit.org/show_bug.cgi?id=162750
+
+ May have caused iOS perf regression (Requested by smfr on
+ #webkit).
+
+ Reverted changeset:
+
+ "REGRESSION (r204552): Yelp carousel animation is not smooth."
+ https://bugs.webkit.org/show_bug.cgi?id=162632
+ http://trac.webkit.org/changeset/206483
+
</ins><span class="cx"> 2016-09-29 Alex Christensen <achristensen@webkit.org>
</span><span class="cx">
</span><span class="cx"> URLParser: make parsing invalid IPv4 addresses more robust and correct
</span></span></pre></div>
<a id="trunkSourceWebCorerenderingRenderLayerBackingcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/rendering/RenderLayerBacking.cpp (206610 => 206611)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/rendering/RenderLayerBacking.cpp 2016-09-29 20:33:21 UTC (rev 206610)
+++ trunk/Source/WebCore/rendering/RenderLayerBacking.cpp 2016-09-29 21:02:59 UTC (rev 206611)
</span><span class="lines">@@ -740,18 +740,14 @@
</span><span class="cx"> return snappedGraphicsLayer;
</span><span class="cx"> }
</span><span class="cx">
</span><del>-static LayoutSize computeOffsetFromAncestorGraphicsLayer(RenderLayer* compositedAncestor, const LayoutPoint& location, float deviceScaleFactor)
</del><ins>+static LayoutSize computeOffsetFromAncestorGraphicsLayer(RenderLayer* compositedAncestor, const LayoutPoint& location)
</ins><span class="cx"> {
</span><span class="cx"> if (!compositedAncestor)
</span><span class="cx"> return toLayoutSize(location);
</span><span class="cx">
</span><del>- // FIXME: This is a workaround until after webkit.org/162634 gets fixed. ancestorSubpixelOffsetFromRenderer
- // could be stale when a dynamic composited state change triggers a pre-order updateGeometry() traversal.
- LayoutSize ancestorSubpixelOffsetFromRenderer = compositedAncestor->backing()->subpixelOffsetFromRenderer();
- LayoutRect ancestorCompositedBounds = compositedAncestor->backing()->compositedBounds();
- LayoutSize floored = toLayoutSize(LayoutPoint(floorPointToDevicePixels(ancestorCompositedBounds.location() - ancestorSubpixelOffsetFromRenderer, deviceScaleFactor)));
- LayoutSize ancestorRendererOffsetFromAncestorGraphicsLayer = -(floored + ancestorSubpixelOffsetFromRenderer);
- return ancestorRendererOffsetFromAncestorGraphicsLayer + toLayoutSize(location);
</del><ins>+ LayoutSize ancestorRenderLayerOffsetFromAncestorGraphicsLayer = -(LayoutSize(compositedAncestor->backing()->graphicsLayer()->offsetFromRenderer())
+ + compositedAncestor->backing()->subpixelOffsetFromRenderer());
+ return ancestorRenderLayerOffsetFromAncestorGraphicsLayer + toLayoutSize(location);
</ins><span class="cx"> }
</span><span class="cx">
</span><span class="cx"> class ComputedOffsets {
</span><span class="lines">@@ -761,7 +757,6 @@
</span><span class="cx"> , m_location(localRect.location())
</span><span class="cx"> , m_parentGraphicsLayerOffset(toLayoutSize(parentGraphicsLayerRect.location()))
</span><span class="cx"> , m_primaryGraphicsLayerOffset(toLayoutSize(primaryGraphicsLayerRect.location()))
</span><del>- , m_deviceScaleFactor(renderLayer.renderer().document().deviceScaleFactor())
</del><span class="cx"> {
</span><span class="cx"> }
</span><span class="cx">
</span><span class="lines">@@ -785,7 +780,7 @@
</span><span class="cx"> if (!m_fromAncestorGraphicsLayer) {
</span><span class="cx"> RenderLayer* compositedAncestor = m_renderLayer.ancestorCompositingLayer();
</span><span class="cx"> LayoutPoint localPointInAncestorRenderLayerCoords = m_renderLayer.convertToLayerCoords(compositedAncestor, m_location, RenderLayer::AdjustForColumns);
</span><del>- m_fromAncestorGraphicsLayer = computeOffsetFromAncestorGraphicsLayer(compositedAncestor, localPointInAncestorRenderLayerCoords, m_deviceScaleFactor);
</del><ins>+ m_fromAncestorGraphicsLayer = computeOffsetFromAncestorGraphicsLayer(compositedAncestor, localPointInAncestorRenderLayerCoords);
</ins><span class="cx"> }
</span><span class="cx"> return m_fromAncestorGraphicsLayer.value();
</span><span class="cx"> }
</span><span class="lines">@@ -799,7 +794,6 @@
</span><span class="cx"> const LayoutPoint m_location;
</span><span class="cx"> const LayoutSize m_parentGraphicsLayerOffset;
</span><span class="cx"> const LayoutSize m_primaryGraphicsLayerOffset;
</span><del>- float m_deviceScaleFactor;
</del><span class="cx"> };
</span><span class="cx">
</span><span class="cx"> LayoutRect RenderLayerBacking::computePrimaryGraphicsLayerRect(const LayoutRect& parentGraphicsLayerRect) const
</span><span class="lines">@@ -827,7 +821,7 @@
</span><span class="cx"> if (ancestorBackingLayer->hasClippingLayer()) {
</span><span class="cx"> // If the compositing ancestor has a layer to clip children, we parent in that, and therefore position relative to it.
</span><span class="cx"> LayoutRect clippingBox = clipBox(downcast<RenderBox>(compositedAncestor->renderer()));
</span><del>- LayoutSize clippingBoxOffset = computeOffsetFromAncestorGraphicsLayer(compositedAncestor, clippingBox.location(), deviceScaleFactor());
</del><ins>+ LayoutSize clippingBoxOffset = computeOffsetFromAncestorGraphicsLayer(compositedAncestor, clippingBox.location());
</ins><span class="cx"> parentGraphicsLayerRect = snappedGraphicsLayer(clippingBoxOffset, clippingBox.size(), deviceScaleFactor()).m_snappedRect;
</span><span class="cx"> }
</span><span class="cx">
</span><span class="lines">@@ -856,7 +850,7 @@
</span><span class="cx"> RenderLayer::ClipRectsContext clipRectsContext(compositedAncestor, TemporaryClipRects, IgnoreOverlayScrollbarSize, shouldRespectOverflowClip);
</span><span class="cx"> LayoutRect parentClipRect = m_owningLayer.backgroundClipRect(clipRectsContext).rect(); // FIXME: Incorrect for CSS regions.
</span><span class="cx"> ASSERT(!parentClipRect.isInfinite());
</span><del>- LayoutSize clippingOffset = computeOffsetFromAncestorGraphicsLayer(compositedAncestor, parentClipRect.location(), deviceScaleFactor());
</del><ins>+ LayoutSize clippingOffset = computeOffsetFromAncestorGraphicsLayer(compositedAncestor, parentClipRect.location());
</ins><span class="cx"> LayoutRect snappedClippingLayerRect = snappedGraphicsLayer(clippingOffset, parentClipRect.size(), deviceScaleFactor()).m_snappedRect;
</span><span class="cx"> // The primary layer is then parented in, and positioned relative to this clipping layer.
</span><span class="cx"> ancestorClippingLayerOffset = snappedClippingLayerRect.location() - parentGraphicsLayerRect.location();
</span></span></pre>
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