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<div id="msg">
<dl class="meta">
<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/183942">183942</a></dd>
<dt>Author</dt> <dd>dino@apple.com</dd>
<dt>Date</dt> <dd>2015-05-07 13:13:47 -0700 (Thu, 07 May 2015)</dd>
</dl>

<h3>Log Message</h3>
<pre>Handle backdrop views that have to tile
https://bugs.webkit.org/show_bug.cgi?id=142317
&lt;rdar://problem/20049088&gt;

Reviewed by Simon Fraser.

Take 2 - this was rolled out because Mavericks was crashing.

Source/WebCore:

Make sure backdrop layers don't tile. If they are big
enough, we'll leave it to the platform compositor to handle.

This also fixes a bug where if a layer changed from a backdrop
type to a tiled type, it would still retain its custom appearance
and we'd try to add children to the wrong layer.

Test: compositing/media-controls-bar-appearance-big.html

* platform/graphics/ca/GraphicsLayerCA.cpp:
(WebCore::GraphicsLayerCA::commitLayerChangesBeforeSublayers): Check if
a layer needs a backdrop before checking if it needs to tile.

Source/WebKit2:

Add some better logging for custom appearance.

* Shared/mac/RemoteLayerTreeTransaction.mm:
(WebKit::RemoteLayerTreeTextStream::operator&lt;&lt;):

LayoutTests:

A test that creates some backdrop views, then makes them
big enough that it would trigger tiling (which we don't want
to happen).

* compositing/media-controls-bar-appearance-big-expected.txt: Added.
* compositing/media-controls-bar-appearance-big.html: Added.</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkLayoutTestsChangeLog">trunk/LayoutTests/ChangeLog</a></li>
<li><a href="#trunkLayoutTestsplatformmacmavericksTestExpectations">trunk/LayoutTests/platform/mac-mavericks/TestExpectations</a></li>
<li><a href="#trunkSourceWebCoreChangeLog">trunk/Source/WebCore/ChangeLog</a></li>
<li><a href="#trunkSourceWebCoreplatformgraphicscaGraphicsLayerCAcpp">trunk/Source/WebCore/platform/graphics/ca/GraphicsLayerCA.cpp</a></li>
<li><a href="#trunkSourceWebKit2ChangeLog">trunk/Source/WebKit2/ChangeLog</a></li>
<li><a href="#trunkSourceWebKit2SharedmacRemoteLayerTreeTransactionmm">trunk/Source/WebKit2/Shared/mac/RemoteLayerTreeTransaction.mm</a></li>
</ul>

<h3>Added Paths</h3>
<ul>
<li><a href="#trunkLayoutTestscompositingmediacontrolsbarappearancebigexpectedtxt">trunk/LayoutTests/compositing/media-controls-bar-appearance-big-expected.txt</a></li>
<li><a href="#trunkLayoutTestscompositingmediacontrolsbarappearancebightml">trunk/LayoutTests/compositing/media-controls-bar-appearance-big.html</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkLayoutTestsChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/LayoutTests/ChangeLog (183941 => 183942)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/ChangeLog        2015-05-07 20:06:13 UTC (rev 183941)
+++ trunk/LayoutTests/ChangeLog        2015-05-07 20:13:47 UTC (rev 183942)
</span><span class="lines">@@ -1,3 +1,21 @@
</span><ins>+2015-05-06  Dean Jackson  &lt;dino@apple.com&gt;
+
+        Handle backdrop views that have to tile
+        https://bugs.webkit.org/show_bug.cgi?id=142317
+        &lt;rdar://problem/20049088&gt;
+
+        Reviewed by Simon Fraser.
+
+        Take 2 - this was rolled out because Mavericks was crashing.
+
+        A test that creates some backdrop views, then makes them
+        big enough that it would trigger tiling (which we don't want
+        to happen).
+
+        * compositing/media-controls-bar-appearance-big-expected.txt: Added.
+        * compositing/media-controls-bar-appearance-big.html: Added.
+        * platform/mac-mavericks/TestExpectations: Skip tests on Mavericks.
+
</ins><span class="cx"> 2015-05-07  Martin Robinson  &lt;mrobinson@igalia.com&gt;
</span><span class="cx"> 
</span><span class="cx">         [GTK] All spell checking layout tests fail
</span></span></pre></div>
<a id="trunkLayoutTestscompositingmediacontrolsbarappearancebigexpectedtxt"></a>
<div class="addfile"><h4>Added: trunk/LayoutTests/compositing/media-controls-bar-appearance-big-expected.txt (0 => 183942)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/compositing/media-controls-bar-appearance-big-expected.txt                                (rev 0)
+++ trunk/LayoutTests/compositing/media-controls-bar-appearance-big-expected.txt        2015-05-07 20:13:47 UTC (rev 183942)
</span><span class="lines">@@ -0,0 +1,23 @@
</span><ins>+(GraphicsLayer
+  (anchor 0.00 0.00)
+  (bounds 2056.00 4117.00)
+  (children 1
+    (GraphicsLayer
+      (bounds 2056.00 4117.00)
+      (contentsOpaque 1)
+      (children 2
+        (GraphicsLayer
+          (position 8.00 8.00)
+          (bounds 2048.00 2048.00)
+          (drawsContent 1)
+        )
+        (GraphicsLayer
+          (position 8.00 2056.00)
+          (bounds 2048.00 2048.00)
+          (drawsContent 1)
+        )
+      )
+    )
+  )
+)
+
</ins><span class="cx">Property changes on: trunk/LayoutTests/compositing/media-controls-bar-appearance-big-expected.txt
</span><span class="cx">___________________________________________________________________
</span></span></pre></div>
<a id="svnmimetype"></a>
<div class="addfile"><h4>Added: svn:mime-type</h4></div>
<a id="svnkeywords"></a>
<div class="addfile"><h4>Added: svn:keywords</h4></div>
<a id="svneolstyle"></a>
<div class="addfile"><h4>Added: svn:eol-style</h4></div>
<a id="trunkLayoutTestscompositingmediacontrolsbarappearancebightml"></a>
<div class="addfile"><h4>Added: trunk/LayoutTests/compositing/media-controls-bar-appearance-big.html (0 => 183942)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/compositing/media-controls-bar-appearance-big.html                                (rev 0)
+++ trunk/LayoutTests/compositing/media-controls-bar-appearance-big.html        2015-05-07 20:13:47 UTC (rev 183942)
</span><span class="lines">@@ -0,0 +1,56 @@
</span><ins>+&lt;!DOCTYPE html&gt;
+&lt;html&gt;
+&lt;head&gt;
+    &lt;style&gt;
+        div {
+            position: relative;
+            height: 100px;
+            width: 100px;
+        }
+        .big {
+            width: 2048px;
+            height: 2048px;
+        }
+        .media-controls {
+            -webkit-transform: translate3d(0, 0, 0); /* The element has to request a layer for the appearance to work */
+        }
+        .dark {
+            -webkit-appearance: media-controls-dark-bar-background;
+        }
+        .light {
+            -webkit-appearance: media-controls-light-bar-background;
+        }
+    &lt;/style&gt;
+    &lt;script&gt;
+        if (window.testRunner) {
+            testRunner.dumpAsText();
+            testRunner.waitUntilDone();
+        }
+
+        function change()
+        {
+            var elements = document.querySelectorAll(&quot;.media-controls&quot;);
+            for (var i = 0; i &lt; elements.length; ++i)
+                elements[i].classList.add(&quot;big&quot;);
+            setTimeout(dumpLayers, 0);
+        }
+
+        function dumpLayers()
+        {
+            var layersResult = document.getElementById('layers');
+            if (window.testRunner) {
+                layersResult.innerText = window.internals.layerTreeAsText(document);
+                testRunner.notifyDone();
+            }
+        }
+        window.addEventListener('load', change, false)
+    &lt;/script&gt;
+&lt;/head&gt;
+&lt;body&gt;
+    &lt;div class=&quot;media-controls dark&quot;&gt;
+    &lt;/div&gt;
+    &lt;div class=&quot;media-controls light&quot;&gt;
+    &lt;/div&gt;
+&lt;pre id=&quot;layers&quot;&gt;&lt;/pre&gt;
+&lt;/body&gt;
+&lt;/html&gt;
</ins><span class="cx">Property changes on: trunk/LayoutTests/compositing/media-controls-bar-appearance-big.html
</span><span class="cx">___________________________________________________________________
</span></span></pre></div>
<a id="svnmimetype"></a>
<div class="addfile"><h4>Added: svn:mime-type</h4></div>
<a id="svnkeywords"></a>
<div class="addfile"><h4>Added: svn:keywords</h4></div>
<a id="svneolstyle"></a>
<div class="addfile"><h4>Added: svn:eol-style</h4></div>
<a id="trunkLayoutTestsplatformmacmavericksTestExpectations"></a>
<div class="modfile"><h4>Modified: trunk/LayoutTests/platform/mac-mavericks/TestExpectations (183941 => 183942)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/platform/mac-mavericks/TestExpectations        2015-05-07 20:06:13 UTC (rev 183941)
+++ trunk/LayoutTests/platform/mac-mavericks/TestExpectations        2015-05-07 20:13:47 UTC (rev 183942)
</span><span class="lines">@@ -5,3 +5,7 @@
</span><span class="cx"> fast/events/mouse-force-changed.html [ Skip ]
</span><span class="cx"> fast/events/mouse-force-down.html [ Skip ]
</span><span class="cx"> fast/events/mouse-force-up.html [ Skip ]
</span><ins>+
+# No support for Filters Level 2
+compositing/media-controls-bar-appearance.html [ Skip ]
+compositing/media-controls-bar-appearance-big.html [ Skip ]
</ins></span></pre></div>
<a id="trunkSourceWebCoreChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/ChangeLog (183941 => 183942)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/ChangeLog        2015-05-07 20:06:13 UTC (rev 183941)
+++ trunk/Source/WebCore/ChangeLog        2015-05-07 20:13:47 UTC (rev 183942)
</span><span class="lines">@@ -1,3 +1,26 @@
</span><ins>+2015-05-06  Dean Jackson  &lt;dino@apple.com&gt;
+
+        Handle backdrop views that have to tile
+        https://bugs.webkit.org/show_bug.cgi?id=142317
+        &lt;rdar://problem/20049088&gt;
+
+        Reviewed by Simon Fraser.
+
+        Take 2 - this was rolled out because Mavericks was crashing.
+
+        Make sure backdrop layers don't tile. If they are big
+        enough, we'll leave it to the platform compositor to handle.
+
+        This also fixes a bug where if a layer changed from a backdrop
+        type to a tiled type, it would still retain its custom appearance
+        and we'd try to add children to the wrong layer.
+
+        Test: compositing/media-controls-bar-appearance-big.html
+
+        * platform/graphics/ca/GraphicsLayerCA.cpp:
+        (WebCore::GraphicsLayerCA::commitLayerChangesBeforeSublayers): Check if
+        a layer needs a backdrop before checking if it needs to tile.
+
</ins><span class="cx"> 2015-05-05  Myles C. Maxfield  &lt;mmaxfield@apple.com&gt;
</span><span class="cx"> 
</span><span class="cx">         Revert &quot;Introducing the Platform Abstraction Layer (PAL)&quot;
</span></span></pre></div>
<a id="trunkSourceWebCoreplatformgraphicscaGraphicsLayerCAcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/platform/graphics/ca/GraphicsLayerCA.cpp (183941 => 183942)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/platform/graphics/ca/GraphicsLayerCA.cpp        2015-05-07 20:06:13 UTC (rev 183941)
+++ trunk/Source/WebCore/platform/graphics/ca/GraphicsLayerCA.cpp        2015-05-07 20:13:47 UTC (rev 183942)
</span><span class="lines">@@ -1438,10 +1438,10 @@
</span><span class="cx">     bool needBackdropLayerType = (customAppearance() == LightBackdropAppearance || customAppearance() == DarkBackdropAppearance);
</span><span class="cx">     PlatformCALayer::LayerType neededLayerType = m_layer-&gt;layerType();
</span><span class="cx"> 
</span><del>-    if (needTiledLayer)
</del><ins>+    if (needBackdropLayerType)
+        neededLayerType = layerTypeForCustomBackdropAppearance(customAppearance());
+    else if (needTiledLayer)
</ins><span class="cx">         neededLayerType = PlatformCALayer::LayerTypeTiledBackingLayer;
</span><del>-    else if (needBackdropLayerType)
-        neededLayerType = layerTypeForCustomBackdropAppearance(customAppearance());
</del><span class="cx">     else if (isCustomBackdropLayerType(m_layer-&gt;layerType()) || m_usingTiledBacking)
</span><span class="cx">         neededLayerType = PlatformCALayer::LayerTypeWebLayer;
</span><span class="cx"> 
</span></span></pre></div>
<a id="trunkSourceWebKit2ChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/ChangeLog (183941 => 183942)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/ChangeLog        2015-05-07 20:06:13 UTC (rev 183941)
+++ trunk/Source/WebKit2/ChangeLog        2015-05-07 20:13:47 UTC (rev 183942)
</span><span class="lines">@@ -1,3 +1,18 @@
</span><ins>+2015-05-06  Dean Jackson  &lt;dino@apple.com&gt;
+
+        Handle backdrop views that have to tile
+        https://bugs.webkit.org/show_bug.cgi?id=142317
+        &lt;rdar://problem/20049088&gt;
+
+        Reviewed by Simon Fraser.
+
+        Take 2 - this was rolled out because Mavericks was crashing.
+
+        Add some better logging for custom appearance.
+
+        * Shared/mac/RemoteLayerTreeTransaction.mm:
+        (WebKit::RemoteLayerTreeTextStream::operator&lt;&lt;):
+
</ins><span class="cx"> 2015-05-07  Sungmann Cho  &lt;sungmann.cho@navercorp.com&gt;
</span><span class="cx"> 
</span><span class="cx">         Add PLUGIN_ARCHITECTURE(X11) around m_frameRectInWindowCoordinates in NetscapePlugin.
</span></span></pre></div>
<a id="trunkSourceWebKit2SharedmacRemoteLayerTreeTransactionmm"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/Shared/mac/RemoteLayerTreeTransaction.mm (183941 => 183942)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/Shared/mac/RemoteLayerTreeTransaction.mm        2015-05-07 20:06:13 UTC (rev 183941)
+++ trunk/Source/WebKit2/Shared/mac/RemoteLayerTreeTransaction.mm        2015-05-07 20:13:47 UTC (rev 183942)
</span><span class="lines">@@ -666,6 +666,7 @@
</span><span class="cx">     RemoteLayerTreeTextStream&amp; operator&lt;&lt;(const FilterOperations&amp;);
</span><span class="cx">     RemoteLayerTreeTextStream&amp; operator&lt;&lt;(const PlatformCAAnimationRemote::Properties&amp;);
</span><span class="cx">     RemoteLayerTreeTextStream&amp; operator&lt;&lt;(const RemoteLayerBackingStore&amp;);
</span><ins>+    RemoteLayerTreeTextStream&amp; operator&lt;&lt;(const WebCore::GraphicsLayer::CustomAppearance&amp;);
</ins><span class="cx">     RemoteLayerTreeTextStream&amp; operator&lt;&lt;(BlendMode);
</span><span class="cx">     RemoteLayerTreeTextStream&amp; operator&lt;&lt;(PlatformCAAnimation::AnimationType);
</span><span class="cx">     RemoteLayerTreeTextStream&amp; operator&lt;&lt;(PlatformCAAnimation::FillModeType);
</span><span class="lines">@@ -837,6 +838,19 @@
</span><span class="cx">     return ts;
</span><span class="cx"> }
</span><span class="cx"> 
</span><ins>+RemoteLayerTreeTextStream&amp; RemoteLayerTreeTextStream::operator&lt;&lt;(const WebCore::GraphicsLayer::CustomAppearance&amp; customAppearance)
+{
+    RemoteLayerTreeTextStream&amp; ts = *this;
+    switch (customAppearance) {
+    case WebCore::GraphicsLayer::CustomAppearance::NoCustomAppearance: ts &lt;&lt; &quot;none&quot;; break;
+    case WebCore::GraphicsLayer::CustomAppearance::ScrollingOverhang: ts &lt;&lt; &quot;scrolling-overhang&quot;; break;
+    case WebCore::GraphicsLayer::CustomAppearance::ScrollingShadow: ts &lt;&lt; &quot;scrolling-shadow&quot;; break;
+    case WebCore::GraphicsLayer::CustomAppearance::LightBackdropAppearance: ts &lt;&lt; &quot;light-backdrop&quot;; break;
+    case WebCore::GraphicsLayer::CustomAppearance::DarkBackdropAppearance: ts &lt;&lt; &quot;dark-backdrop&quot;; break;
+    }
+    return ts;
+}
+
</ins><span class="cx"> RemoteLayerTreeTextStream&amp; RemoteLayerTreeTextStream::operator&lt;&lt;(BlendMode blendMode)
</span><span class="cx"> {
</span><span class="cx">     RemoteLayerTreeTextStream&amp; ts = *this;
</span></span></pre>
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