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<dl class="meta">
<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/166800">166800</a></dd>
<dt>Author</dt> <dd>commit-queue@webkit.org</dd>
<dt>Date</dt> <dd>2014-04-04 13:34:23 -0700 (Fri, 04 Apr 2014)</dd>
</dl>
<h3>Log Message</h3>
<pre>[CSS Blending] Add compositing reason for isolation.
https://bugs.webkit.org/show_bug.cgi?id=131153
Patch by Ion Rosca <rosca@adobe.com> on 2014-04-04
Reviewed by Joseph Pecoraro.
Source/WebCore:
There are 2 reasons involving blend modes for a layer to be composited:
1) the layer has blend mode and has composited descendants: CompositingReasonBlendingWithCompositedDescendants.
2) the layer has to isolate composited blending descendants: CompositingReasonIsolatesCompositedBlendingDescendants
Test: inspector-protocol/layers/layers-blending-compositing-reasons.html
* inspector/InspectorLayerTreeAgent.cpp:
(WebCore::InspectorLayerTreeAgent::reasonsForCompositingLayer):
* inspector/protocol/LayerTree.json:
* rendering/RenderLayerCompositor.cpp:
(WebCore::RenderLayerCompositor::reasonsForCompositing):
(WebCore::RenderLayerCompositor::logReasonsForCompositing):
* rendering/RenderLayerCompositor.h: adding CompositingReasonIsolatesCompositedBlendingDescendants.
Source/WebInspectorUI:
* Localizations/en.lproj/localizedStrings.js:
* UserInterface/Views/LayerTreeSidebarPanel.js:
(WebInspector.LayerTreeSidebarPanel.prototype._populateListOfCompositingReasons):
LayoutTests:
* inspector-protocol/layers/layers-blending-compositing-reasons-expected.txt: Added.
* inspector-protocol/layers/layers-blending-compositing-reasons.html: Added.</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="#trunkSourceWebCoreinspectorInspectorLayerTreeAgentcpp">trunk/Source/WebCore/inspector/InspectorLayerTreeAgent.cpp</a></li>
<li><a href="#trunkSourceWebCoreinspectorprotocolLayerTreejson">trunk/Source/WebCore/inspector/protocol/LayerTree.json</a></li>
<li><a href="#trunkSourceWebCorerenderingRenderLayerCompositorcpp">trunk/Source/WebCore/rendering/RenderLayerCompositor.cpp</a></li>
<li><a href="#trunkSourceWebCorerenderingRenderLayerCompositorh">trunk/Source/WebCore/rendering/RenderLayerCompositor.h</a></li>
<li><a href="#trunkSourceWebInspectorUIChangeLog">trunk/Source/WebInspectorUI/ChangeLog</a></li>
<li><a href="#trunkSourceWebInspectorUILocalizationsenlprojlocalizedStringsjs">trunk/Source/WebInspectorUI/Localizations/en.lproj/localizedStrings.js</a></li>
<li><a href="#trunkSourceWebInspectorUIUserInterfaceViewsLayerTreeSidebarPaneljs">trunk/Source/WebInspectorUI/UserInterface/Views/LayerTreeSidebarPanel.js</a></li>
</ul>
<h3>Added Paths</h3>
<ul>
<li><a href="#trunkLayoutTestsinspectorprotocollayerslayersblendingcompositingreasonsexpectedtxt">trunk/LayoutTests/inspector-protocol/layers/layers-blending-compositing-reasons-expected.txt</a></li>
<li><a href="#trunkLayoutTestsinspectorprotocollayerslayersblendingcompositingreasonshtml">trunk/LayoutTests/inspector-protocol/layers/layers-blending-compositing-reasons.html</a></li>
</ul>
</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkLayoutTestsChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/LayoutTests/ChangeLog (166799 => 166800)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/ChangeLog 2014-04-04 19:57:47 UTC (rev 166799)
+++ trunk/LayoutTests/ChangeLog 2014-04-04 20:34:23 UTC (rev 166800)
</span><span class="lines">@@ -1,3 +1,13 @@
</span><ins>+2014-04-04 Ion Rosca <rosca@adobe.com>
+
+ [CSS Blending] Add compositing reason for isolation.
+ https://bugs.webkit.org/show_bug.cgi?id=131153
+
+ Reviewed by Joseph Pecoraro.
+
+ * inspector-protocol/layers/layers-blending-compositing-reasons-expected.txt: Added.
+ * inspector-protocol/layers/layers-blending-compositing-reasons.html: Added.
+
</ins><span class="cx"> 2014-04-04 Alexey Proskuryakov <ap@apple.com>
</span><span class="cx">
</span><span class="cx"> REGRESSION (r166615): Pressing return doesn’t submit search term at bing.com
</span></span></pre></div>
<a id="trunkLayoutTestsinspectorprotocollayerslayersblendingcompositingreasonsexpectedtxt"></a>
<div class="addfile"><h4>Added: trunk/LayoutTests/inspector-protocol/layers/layers-blending-compositing-reasons-expected.txt (0 => 166800)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/inspector-protocol/layers/layers-blending-compositing-reasons-expected.txt (rev 0)
+++ trunk/LayoutTests/inspector-protocol/layers/layers-blending-compositing-reasons-expected.txt 2014-04-04 20:34:23 UTC (rev 166800)
</span><span class="lines">@@ -0,0 +1,18 @@
</span><ins>+
+=== Enable the LayerTree agent ===
+
+PASS
+
+=== Get the Document ===
+
+PASS
+
+=== Get the layer tree ===
+
+PASS
+
+=== Check layers' reasons for compositing ===
+
+PASS: <div id="isolating"> is composition due to isolating compositing descendants having CSS blending applied.
+PASS: <div id="blending"> is composited due having CSS blending applied and composited descendants.
+
</ins></span></pre></div>
<a id="trunkLayoutTestsinspectorprotocollayerslayersblendingcompositingreasonshtml"></a>
<div class="addfile"><h4>Added: trunk/LayoutTests/inspector-protocol/layers/layers-blending-compositing-reasons.html (0 => 166800)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/inspector-protocol/layers/layers-blending-compositing-reasons.html (rev 0)
+++ trunk/LayoutTests/inspector-protocol/layers/layers-blending-compositing-reasons.html 2014-04-04 20:34:23 UTC (rev 166800)
</span><span class="lines">@@ -0,0 +1,163 @@
</span><ins>+<html>
+<head>
+<script type="text/javascript" src="../../http/tests/inspector-protocol/resources/protocol-test.js"></script>
+<script type="text/javascript">
+
+function test()
+{
+
+ var nodes = [];
+
+ InspectorTest.eventHandler["DOM.setChildNodes"] = setChildNodes;
+
+ enableLayerTreeAgent();
+
+ function enableLayerTreeAgent(result)
+ {
+ step({
+ name: "Enable the LayerTree agent",
+ command: "LayerTree.enable",
+ parameters: {},
+ callback: getDocument
+ });
+ };
+
+ function getDocument()
+ {
+ // We must first get the document so that later on we may get sensible nodeIds.
+ step({
+ name: "Get the Document",
+ command: "DOM.getDocument",
+ parameters: {},
+ callback: getLayerTree
+ });
+ };
+
+ function getLayerTree(result)
+ {
+ step({
+ name: "Get the layer tree",
+ command: "LayerTree.layersForNode",
+ parameters: {"nodeId": result.root.nodeId},
+ callback: gotLayerTree
+ });
+ };
+
+ function gotLayerTree(result)
+ {
+ logTestName("Check layers' reasons for compositing")
+
+ var layers = result.layers;
+
+ var nodesById = {};
+ nodes.forEach(function(node) {
+ nodesById[node.nodeId] = node;
+ });
+
+ var count = 0;
+
+ function hasId(node, id) {
+ return node && node.attributes && node.attributes[0] === "id" && node.attributes[1] === id;
+ }
+
+ function dumpReasons(layer, compositingReasons) {
+ var node = nodesById[layer.nodeId];
+
+ if (hasId(node, "blending")) {
+ assert(
+ "<div id=\"blending\"> is composited due having CSS blending applied and composited descendants",
+ compositingReasons.blendingWithCompositedDescendants,
+ true);
+ } else if (hasId(node, "isolating")) {
+ assert(
+ "<div id=\"isolating\"> is composition due to isolating compositing descendants having CSS blending applied",
+ compositingReasons.isolatesCompositedBlendingDescendants,
+ true);
+ }
+
+ if (++count === layers.length)
+ InspectorTest.completeTest();
+ };
+
+ layers.forEach(function (layer) {
+ runCommand({
+ command: "LayerTree.reasonsForCompositingLayer",
+ parameters: {"layerId": layer.layerId},
+ callback: function(result) {
+ dumpReasons(layer, result.compositingReasons);
+ }
+ });
+ });
+ };
+
+ function setChildNodes (messageObject) {
+ messageObject.params.nodes.forEach(function (node) {
+ nodes.push(node);
+ })
+ };
+
+ function step(test)
+ {
+ if (test.callback)
+ logTestName(test.name);
+ runCommand(test);
+ };
+
+ function logTestName(name)
+ {
+ InspectorTest.log("\n=== " + name + " ===\n");
+ };
+
+ function runCommand(command)
+ {
+ InspectorTest.sendCommand(command.command, command.parameters, function(messageObject) {
+ InspectorTest.checkForError(messageObject);
+
+ if (command.name)
+ InspectorTest.log("PASS");
+
+ if (command.callback)
+ command.callback(messageObject.result);
+ });
+ };
+
+ function assert(name, actual, expected)
+ {
+ if (expected === actual)
+ InspectorTest.log("PASS: " + name + ".");
+ else
+ InspectorTest.log("FAIL: " + name + ". Expected " + expected + " but got " + actual);
+ };
+
+};
+
+window.addEventListener("DOMContentLoaded", function()
+{
+ runTest();
+}, false);
+
+</script>
+<style type="text/css">
+
+ #isolating {
+ -webkit-isolation: isolate;
+ }
+
+ #blending {
+ -webkit-mix-blend-mode: difference;
+ }
+
+ #composited {
+ -webkit-transform: translateZ(0);
+ }
+
+</style>
+</head>
+<body>
+ <div id="isolating">
+ <div id="blending">
+ <div id="composited"></div>
+ </div>
+ </div>
+</body>
+</html>
</ins></span></pre></div>
<a id="trunkSourceWebCoreChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/ChangeLog (166799 => 166800)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/ChangeLog 2014-04-04 19:57:47 UTC (rev 166799)
+++ trunk/Source/WebCore/ChangeLog 2014-04-04 20:34:23 UTC (rev 166800)
</span><span class="lines">@@ -1,3 +1,24 @@
</span><ins>+2014-04-04 Ion Rosca <rosca@adobe.com>
+
+ [CSS Blending] Add compositing reason for isolation.
+ https://bugs.webkit.org/show_bug.cgi?id=131153
+
+ Reviewed by Joseph Pecoraro.
+
+ There are 2 reasons involving blend modes for a layer to be composited:
+ 1) the layer has blend mode and has composited descendants: CompositingReasonBlendingWithCompositedDescendants.
+ 2) the layer has to isolate composited blending descendants: CompositingReasonIsolatesCompositedBlendingDescendants
+
+ Test: inspector-protocol/layers/layers-blending-compositing-reasons.html
+
+ * inspector/InspectorLayerTreeAgent.cpp:
+ (WebCore::InspectorLayerTreeAgent::reasonsForCompositingLayer):
+ * inspector/protocol/LayerTree.json:
+ * rendering/RenderLayerCompositor.cpp:
+ (WebCore::RenderLayerCompositor::reasonsForCompositing):
+ (WebCore::RenderLayerCompositor::logReasonsForCompositing):
+ * rendering/RenderLayerCompositor.h: adding CompositingReasonIsolatesCompositedBlendingDescendants.
+
</ins><span class="cx"> 2014-04-04 Bem Jones-Bey <bjonesbe@adobe.com>
</span><span class="cx">
</span><span class="cx"> Use more const refs in ShapeOutsideInfo and some misc cleanup
</span></span></pre></div>
<a id="trunkSourceWebCoreinspectorInspectorLayerTreeAgentcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/inspector/InspectorLayerTreeAgent.cpp (166799 => 166800)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/inspector/InspectorLayerTreeAgent.cpp 2014-04-04 19:57:47 UTC (rev 166799)
+++ trunk/Source/WebCore/inspector/InspectorLayerTreeAgent.cpp 2014-04-04 20:34:23 UTC (rev 166800)
</span><span class="lines">@@ -298,6 +298,9 @@
</span><span class="cx"> if (reasonsBitmask & CompositingReasonBlendingWithCompositedDescendants)
</span><span class="cx"> compositingReasons->setBlendingWithCompositedDescendants(true);
</span><span class="cx">
</span><ins>+ if (reasonsBitmask & CompositingReasonIsolatesCompositedBlendingDescendants)
+ compositingReasons->setIsolatesCompositedBlendingDescendants(true);
+
</ins><span class="cx"> if (reasonsBitmask & CompositingReasonPerspective)
</span><span class="cx"> compositingReasons->setPerspective(true);
</span><span class="cx">
</span></span></pre></div>
<a id="trunkSourceWebCoreinspectorprotocolLayerTreejson"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/inspector/protocol/LayerTree.json (166799 => 166800)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/inspector/protocol/LayerTree.json 2014-04-04 19:57:47 UTC (rev 166799)
+++ trunk/Source/WebCore/inspector/protocol/LayerTree.json 2014-04-04 20:34:23 UTC (rev 166800)
</span><span class="lines">@@ -67,6 +67,7 @@
</span><span class="cx"> { "name": "reflectionWithCompositedDescendants", "type": "boolean", "optional": true, "description": "Composition due to association with an element with a reflection and composited descendants." },
</span><span class="cx"> { "name": "filterWithCompositedDescendants", "type": "boolean", "optional": true, "description": "Composition due to association with an element with CSS filters applied and composited descendants." },
</span><span class="cx"> { "name": "blendingWithCompositedDescendants", "type": "boolean", "optional": true, "description": "Composition due to association with an element with CSS blending applied and composited descendants." },
</span><ins>+ { "name": "isolatesCompositedBlendingDescendants", "type": "boolean", "optional": true, "description": "Composition due to association with an element isolating compositing descendants having CSS blending applied." },
</ins><span class="cx"> { "name": "perspective", "type": "boolean", "optional": true, "description": "Composition due to association with an element with perspective applied." },
</span><span class="cx"> { "name": "preserve3D", "type": "boolean", "optional": true, "description": "Composition due to association with an element with a \"transform-style: preserve-3d\" style." },
</span><span class="cx"> { "name": "root", "type": "boolean", "optional": true, "description": "Composition due to association with the root element." },
</span></span></pre></div>
<a id="trunkSourceWebCorerenderingRenderLayerCompositorcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/rendering/RenderLayerCompositor.cpp (166799 => 166800)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/rendering/RenderLayerCompositor.cpp 2014-04-04 19:57:47 UTC (rev 166799)
+++ trunk/Source/WebCore/rendering/RenderLayerCompositor.cpp 2014-04-04 20:34:23 UTC (rev 166800)
</span><span class="lines">@@ -2127,6 +2127,9 @@
</span><span class="cx">
</span><span class="cx"> #if ENABLE(CSS_COMPOSITING)
</span><span class="cx"> if (layer.isolatesCompositedBlending())
</span><ins>+ reasons |= CompositingReasonIsolatesCompositedBlendingDescendants;
+
+ if (layer.hasBlendMode())
</ins><span class="cx"> reasons |= CompositingReasonBlendingWithCompositedDescendants;
</span><span class="cx"> #endif
</span><span class="cx">
</span><span class="lines">@@ -2202,10 +2205,15 @@
</span><span class="cx">
</span><span class="cx"> if (reasons & CompositingReasonFilterWithCompositedDescendants)
</span><span class="cx"> return "filter with composited descendants";
</span><del>-
</del><ins>+
+#if ENABLE(CSS_COMPOSITING)
</ins><span class="cx"> if (reasons & CompositingReasonBlendingWithCompositedDescendants)
</span><span class="cx"> return "blending with composited descendants";
</span><span class="cx">
</span><ins>+ if (reasons & CompositingReasonIsolatesCompositedBlendingDescendants)
+ return "isolates composited blending descendants";
+#endif
+
</ins><span class="cx"> if (reasons & CompositingReasonPerspective)
</span><span class="cx"> return "perspective";
</span><span class="cx">
</span></span></pre></div>
<a id="trunkSourceWebCorerenderingRenderLayerCompositorh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/rendering/RenderLayerCompositor.h (166799 => 166800)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/rendering/RenderLayerCompositor.h 2014-04-04 19:57:47 UTC (rev 166799)
+++ trunk/Source/WebCore/rendering/RenderLayerCompositor.h 2014-04-04 20:34:23 UTC (rev 166800)
</span><span class="lines">@@ -80,7 +80,8 @@
</span><span class="cx"> CompositingReasonBlendingWithCompositedDescendants = 1 << 20,
</span><span class="cx"> CompositingReasonPerspective = 1 << 21,
</span><span class="cx"> CompositingReasonPreserve3D = 1 << 22,
</span><del>- CompositingReasonRoot = 1 << 23
</del><ins>+ CompositingReasonRoot = 1 << 23,
+ CompositingReasonIsolatesCompositedBlendingDescendants = 1 << 24,
</ins><span class="cx"> };
</span><span class="cx"> typedef unsigned CompositingReasons;
</span><span class="cx">
</span></span></pre></div>
<a id="trunkSourceWebInspectorUIChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebInspectorUI/ChangeLog (166799 => 166800)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebInspectorUI/ChangeLog 2014-04-04 19:57:47 UTC (rev 166799)
+++ trunk/Source/WebInspectorUI/ChangeLog 2014-04-04 20:34:23 UTC (rev 166800)
</span><span class="lines">@@ -1,3 +1,14 @@
</span><ins>+2014-04-04 Ion Rosca <rosca@adobe.com>
+
+ [CSS Blending] Add compositing reason for isolation.
+ https://bugs.webkit.org/show_bug.cgi?id=131153
+
+ Reviewed by Joseph Pecoraro.
+
+ * Localizations/en.lproj/localizedStrings.js:
+ * UserInterface/Views/LayerTreeSidebarPanel.js:
+ (WebInspector.LayerTreeSidebarPanel.prototype._populateListOfCompositingReasons):
+
</ins><span class="cx"> 2014-04-02 Timothy Hatcher <timothy@apple.com>
</span><span class="cx">
</span><span class="cx"> Remove Input domain from the Web Inspector protocol.
</span></span></pre></div>
<a id="trunkSourceWebInspectorUILocalizationsenlprojlocalizedStringsjs"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebInspectorUI/Localizations/en.lproj/localizedStrings.js (166799 => 166800)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebInspectorUI/Localizations/en.lproj/localizedStrings.js 2014-04-04 19:57:47 UTC (rev 166799)
+++ trunk/Source/WebInspectorUI/Localizations/en.lproj/localizedStrings.js 2014-04-04 20:34:23 UTC (rev 166800)
</span><span class="lines">@@ -150,6 +150,7 @@
</span><span class="cx"> l o c a l i z e d S t r i n g s [ " E l e m e n t c l i p s c o m p o s i t i n g d e s c e n d a n t s " ] = " E l e m e n t c l i p s c o m p o s i t i n g d e s c e n d a n t s " ;
</span><span class="cx"> l o c a l i z e d S t r i n g s [ " E l e m e n t e s t a b l i s h e s a s t a c k i n g c o n t e x t " ] = " E l e m e n t e s t a b l i s h e s a s t a c k i n g c o n t e x t " ;
</span><span class="cx"> l o c a l i z e d S t r i n g s [ " E l e m e n t h a s C S S b l e n d i n g a p p l i e d a n d c o m p o s i t e d d e s c e n d a n t s " ] = " E l e m e n t h a s C S S b l e n d i n g a p p l i e d a n d c o m p o s i t e d d e s c e n d a n t s " ;
</span><ins>+ l o c a l i z e d S t r i n g s [ " E l e m e n t i s a s t a c k i n g c o n t e x t a n d h a s c o m p o s i t e d d e s c e n d a n t s w i t h C S S b l e n d i n g a p p l i e d " ] = " E l e m e n t i s a s t a c k i n g c o n t e x t a n d h a s c o m p o s i t e d d e s c e n d a n t s w i t h C S S b l e n d i n g a p p l i e d " ;
</ins><span class="cx"> l o c a l i z e d S t r i n g s [ " E l e m e n t h a s C S S f i l t e r s a p p l i e d " ] = " E l e m e n t h a s C S S f i l t e r s a p p l i e d " ;
</span><span class="cx"> l o c a l i z e d S t r i n g s [ " E l e m e n t h a s C S S f i l t e r s a p p l i e d a n d c o m p o s i t e d d e s c e n d a n t s " ] = " E l e m e n t h a s C S S f i l t e r s a p p l i e d a n d c o m p o s i t e d d e s c e n d a n t s " ;
</span><span class="cx"> l o c a l i z e d S t r i n g s [ " E l e m e n t h a s a 2 D t r a n s f o r m a n d c o m p o s i t e d d e s c e n d a n t s " ] = " E l e m e n t h a s a 2 D t r a n s f o r m a n d c o m p o s i t e d d e s c e n d a n t s " ;
</span></span></pre></div>
<a id="trunkSourceWebInspectorUIUserInterfaceViewsLayerTreeSidebarPaneljs"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebInspectorUI/UserInterface/Views/LayerTreeSidebarPanel.js (166799 => 166800)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebInspectorUI/UserInterface/Views/LayerTreeSidebarPanel.js 2014-04-04 19:57:47 UTC (rev 166799)
+++ trunk/Source/WebInspectorUI/UserInterface/Views/LayerTreeSidebarPanel.js 2014-04-04 20:34:23 UTC (rev 166800)
</span><span class="lines">@@ -432,6 +432,8 @@
</span><span class="cx"> addReason(WebInspector.UIString("Element has CSS filters applied and composited descendants"));
</span><span class="cx"> if (compositingReasons.blendingWithCompositedDescendants)
</span><span class="cx"> addReason(WebInspector.UIString("Element has CSS blending applied and composited descendants"));
</span><ins>+ if (compositingReasons.isolatesCompositedBlendingDescendants)
+ addReason(WebInspector.UIString("Element is a stacking context and has composited descendants with CSS blending applied"));
</ins><span class="cx"> if (compositingReasons.perspective)
</span><span class="cx"> addReason(WebInspector.UIString("Element has perspective applied"));
</span><span class="cx"> if (compositingReasons.preserve3D)
</span></span></pre>
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