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<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/211785">211785</a></dd>
<dt>Author</dt> <dd>carlosgc@webkit.org</dd>
<dt>Date</dt> <dd>2017-02-07 01:32:41 -0800 (Tue, 07 Feb 2017)</dd>
</dl>

<h3>Log Message</h3>
<pre>Merge <a href="http://trac.webkit.org/projects/webkit/changeset/211141">r211141</a> - [GTK] The inspector is broken when AC support is disabled
https://bugs.webkit.org/show_bug.cgi?id=165237

Reviewed by Carlos Garcia Campos.

Source/WebCore:

Ensure that PageOverlayController destroys its root GraphicsLayers when leaving AC. They
will be recreated if we enter AC again, avoiding a crash because the layers don't belong to
the appropriate compositor. Also, don't append the document overlay layers if we are not
in compositing mode.

No new tests added.

* page/PageOverlayController.cpp:
(WebCore::PageOverlayController::willDetachRootLayer):
* page/PageOverlayController.h:
* rendering/RenderLayerCompositor.cpp:
(WebCore::RenderLayerCompositor::appendDocumentOverlayLayers):
(WebCore::RenderLayerCompositor::detachRootLayer):

Source/WebKit2:

WebInspector must not use PageOverlays or GraphicsLayers when AC is not avaialable.

No new tests added.

* WebProcess/WebCoreSupport/WebInspectorClient.cpp:
(WebKit::WebInspectorClient::highlight):
(WebKit::WebInspectorClient::showPaintRect):</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#releasesWebKitGTKwebkit214SourceWebCoreChangeLog">releases/WebKitGTK/webkit-2.14/Source/WebCore/ChangeLog</a></li>
<li><a href="#releasesWebKitGTKwebkit214SourceWebCorepagePageOverlayControllercpp">releases/WebKitGTK/webkit-2.14/Source/WebCore/page/PageOverlayController.cpp</a></li>
<li><a href="#releasesWebKitGTKwebkit214SourceWebCorepagePageOverlayControllerh">releases/WebKitGTK/webkit-2.14/Source/WebCore/page/PageOverlayController.h</a></li>
<li><a href="#releasesWebKitGTKwebkit214SourceWebCorerenderingRenderLayerCompositorcpp">releases/WebKitGTK/webkit-2.14/Source/WebCore/rendering/RenderLayerCompositor.cpp</a></li>
<li><a href="#releasesWebKitGTKwebkit214SourceWebKit2ChangeLog">releases/WebKitGTK/webkit-2.14/Source/WebKit2/ChangeLog</a></li>
<li><a href="#releasesWebKitGTKwebkit214SourceWebKit2WebProcessWebCoreSupportWebInspectorClientcpp">releases/WebKitGTK/webkit-2.14/Source/WebKit2/WebProcess/WebCoreSupport/WebInspectorClient.cpp</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="releasesWebKitGTKwebkit214SourceWebCoreChangeLog"></a>
<div class="modfile"><h4>Modified: releases/WebKitGTK/webkit-2.14/Source/WebCore/ChangeLog (211784 => 211785)</h4>
<pre class="diff"><span>
<span class="info">--- releases/WebKitGTK/webkit-2.14/Source/WebCore/ChangeLog        2017-02-07 09:32:31 UTC (rev 211784)
+++ releases/WebKitGTK/webkit-2.14/Source/WebCore/ChangeLog        2017-02-07 09:32:41 UTC (rev 211785)
</span><span class="lines">@@ -1,3 +1,24 @@
</span><ins>+2017-01-25  Miguel Gomez  &lt;magomez@igalia.com&gt;
+
+        [GTK] The inspector is broken when AC support is disabled
+        https://bugs.webkit.org/show_bug.cgi?id=165237
+
+        Reviewed by Carlos Garcia Campos.
+
+        Ensure that PageOverlayController destroys its root GraphicsLayers when leaving AC. They
+        will be recreated if we enter AC again, avoiding a crash because the layers don't belong to
+        the appropriate compositor. Also, don't append the document overlay layers if we are not
+        in compositing mode.
+
+        No new tests added.
+
+        * page/PageOverlayController.cpp:
+        (WebCore::PageOverlayController::willDetachRootLayer):
+        * page/PageOverlayController.h:
+        * rendering/RenderLayerCompositor.cpp:
+        (WebCore::RenderLayerCompositor::appendDocumentOverlayLayers):
+        (WebCore::RenderLayerCompositor::detachRootLayer):
+
</ins><span class="cx"> 2017-01-24  Miguel Gomez  &lt;magomez@igalia.com&gt;
</span><span class="cx"> 
</span><span class="cx">         [GTK] Do not paint non composited content into the window when using the threaded compositor
</span></span></pre></div>
<a id="releasesWebKitGTKwebkit214SourceWebCorepagePageOverlayControllercpp"></a>
<div class="modfile"><h4>Modified: releases/WebKitGTK/webkit-2.14/Source/WebCore/page/PageOverlayController.cpp (211784 => 211785)</h4>
<pre class="diff"><span>
<span class="info">--- releases/WebKitGTK/webkit-2.14/Source/WebCore/page/PageOverlayController.cpp        2017-02-07 09:32:31 UTC (rev 211784)
+++ releases/WebKitGTK/webkit-2.14/Source/WebCore/page/PageOverlayController.cpp        2017-02-07 09:32:41 UTC (rev 211785)
</span><span class="lines">@@ -209,6 +209,13 @@
</span><span class="cx">         updateOverlayGeometry(*overlayAndLayer.key, *overlayAndLayer.value);
</span><span class="cx"> }
</span><span class="cx"> 
</span><ins>+void PageOverlayController::willDetachRootLayer()
+{
+    m_documentOverlayRootLayer = nullptr;
+    m_viewOverlayRootLayer = nullptr;
+    m_initialized = false;
+}
+
</ins><span class="cx"> void PageOverlayController::didChangeViewSize()
</span><span class="cx"> {
</span><span class="cx">     for (auto&amp; overlayAndLayer : m_overlayGraphicsLayers) {
</span></span></pre></div>
<a id="releasesWebKitGTKwebkit214SourceWebCorepagePageOverlayControllerh"></a>
<div class="modfile"><h4>Modified: releases/WebKitGTK/webkit-2.14/Source/WebCore/page/PageOverlayController.h (211784 => 211785)</h4>
<pre class="diff"><span>
<span class="info">--- releases/WebKitGTK/webkit-2.14/Source/WebCore/page/PageOverlayController.h        2017-02-07 09:32:31 UTC (rev 211784)
+++ releases/WebKitGTK/webkit-2.14/Source/WebCore/page/PageOverlayController.h        2017-02-07 09:32:41 UTC (rev 211785)
</span><span class="lines">@@ -60,6 +60,7 @@
</span><span class="cx">     GraphicsLayer&amp; layerForOverlay(PageOverlay&amp;) const;
</span><span class="cx"> 
</span><span class="cx">     void willAttachRootLayer();
</span><ins>+    void willDetachRootLayer();
</ins><span class="cx"> 
</span><span class="cx">     void didChangeViewSize();
</span><span class="cx">     void didChangeDocumentSize();
</span></span></pre></div>
<a id="releasesWebKitGTKwebkit214SourceWebCorerenderingRenderLayerCompositorcpp"></a>
<div class="modfile"><h4>Modified: releases/WebKitGTK/webkit-2.14/Source/WebCore/rendering/RenderLayerCompositor.cpp (211784 => 211785)</h4>
<pre class="diff"><span>
<span class="info">--- releases/WebKitGTK/webkit-2.14/Source/WebCore/rendering/RenderLayerCompositor.cpp        2017-02-07 09:32:31 UTC (rev 211784)
+++ releases/WebKitGTK/webkit-2.14/Source/WebCore/rendering/RenderLayerCompositor.cpp        2017-02-07 09:32:41 UTC (rev 211785)
</span><span class="lines">@@ -798,7 +798,7 @@
</span><span class="cx"> 
</span><span class="cx"> void RenderLayerCompositor::appendDocumentOverlayLayers(Vector&lt;GraphicsLayer*&gt;&amp; childList)
</span><span class="cx"> {
</span><del>-    if (!isMainFrameCompositor())
</del><ins>+    if (!isMainFrameCompositor() || !m_compositing)
</ins><span class="cx">         return;
</span><span class="cx"> 
</span><span class="cx">     Frame&amp; frame = m_renderView.frameView().frame();
</span><span class="lines">@@ -3588,8 +3588,10 @@
</span><span class="cx">             return;
</span><span class="cx"> 
</span><span class="cx">         page-&gt;chrome().client().attachRootGraphicsLayer(&amp;frame, 0);
</span><del>-        if (frame.isMainFrame())
</del><ins>+        if (frame.isMainFrame()) {
</ins><span class="cx">             page-&gt;chrome().client().attachViewOverlayGraphicsLayer(&amp;frame, 0);
</span><ins>+            frame.mainFrame().pageOverlayController().willDetachRootLayer();
+        }
</ins><span class="cx">     }
</span><span class="cx">     break;
</span><span class="cx">     case RootLayerUnattached:
</span></span></pre></div>
<a id="releasesWebKitGTKwebkit214SourceWebKit2ChangeLog"></a>
<div class="modfile"><h4>Modified: releases/WebKitGTK/webkit-2.14/Source/WebKit2/ChangeLog (211784 => 211785)</h4>
<pre class="diff"><span>
<span class="info">--- releases/WebKitGTK/webkit-2.14/Source/WebKit2/ChangeLog        2017-02-07 09:32:31 UTC (rev 211784)
+++ releases/WebKitGTK/webkit-2.14/Source/WebKit2/ChangeLog        2017-02-07 09:32:41 UTC (rev 211785)
</span><span class="lines">@@ -1,3 +1,18 @@
</span><ins>+2017-01-25  Miguel Gomez  &lt;magomez@igalia.com&gt;
+
+        [GTK] The inspector is broken when AC support is disabled
+        https://bugs.webkit.org/show_bug.cgi?id=165237
+
+        Reviewed by Carlos Garcia Campos.
+
+        WebInspector must not use PageOverlays or GraphicsLayers when AC is not avaialable.
+
+        No new tests added.
+
+        * WebProcess/WebCoreSupport/WebInspectorClient.cpp:
+        (WebKit::WebInspectorClient::highlight):
+        (WebKit::WebInspectorClient::showPaintRect):
+
</ins><span class="cx"> 2017-01-19  Carlos Garcia Campos  &lt;cgarcia@igalia.com&gt;
</span><span class="cx"> 
</span><span class="cx">         [Threaded Compositor] Initialize the threaded compositor with the current size
</span></span></pre></div>
<a id="releasesWebKitGTKwebkit214SourceWebKit2WebProcessWebCoreSupportWebInspectorClientcpp"></a>
<div class="modfile"><h4>Modified: releases/WebKitGTK/webkit-2.14/Source/WebKit2/WebProcess/WebCoreSupport/WebInspectorClient.cpp (211784 => 211785)</h4>
<pre class="diff"><span>
<span class="info">--- releases/WebKitGTK/webkit-2.14/Source/WebKit2/WebProcess/WebCoreSupport/WebInspectorClient.cpp        2017-02-07 09:32:31 UTC (rev 211784)
+++ releases/WebKitGTK/webkit-2.14/Source/WebKit2/WebProcess/WebCoreSupport/WebInspectorClient.cpp        2017-02-07 09:32:41 UTC (rev 211785)
</span><span class="lines">@@ -33,6 +33,7 @@
</span><span class="cx"> #include &lt;WebCore/MainFrame.h&gt;
</span><span class="cx"> #include &lt;WebCore/Page.h&gt;
</span><span class="cx"> #include &lt;WebCore/PageOverlayController.h&gt;
</span><ins>+#include &lt;WebCore/Settings.h&gt;
</ins><span class="cx"> #include &lt;wtf/CurrentTime.h&gt;
</span><span class="cx"> 
</span><span class="cx"> #if PLATFORM(IOS)
</span><span class="lines">@@ -105,6 +106,9 @@
</span><span class="cx"> 
</span><span class="cx"> void WebInspectorClient::highlight()
</span><span class="cx"> {
</span><ins>+    if (!m_page-&gt;corePage()-&gt;settings().acceleratedCompositingEnabled())
+        return;
+
</ins><span class="cx"> #if !PLATFORM(IOS)
</span><span class="cx">     if (!m_highlightOverlay) {
</span><span class="cx">         auto highlightOverlay = PageOverlay::create(*this);
</span><span class="lines">@@ -134,6 +138,9 @@
</span><span class="cx"> 
</span><span class="cx"> void WebInspectorClient::showPaintRect(const FloatRect&amp; rect)
</span><span class="cx"> {
</span><ins>+    if (!m_page-&gt;corePage()-&gt;settings().acceleratedCompositingEnabled())
+        return;
+
</ins><span class="cx">     if (!m_paintRectOverlay) {
</span><span class="cx">         m_paintRectOverlay = PageOverlay::create(*this, PageOverlay::OverlayType::Document);
</span><span class="cx">         m_page-&gt;mainFrame()-&gt;pageOverlayController().installPageOverlay(m_paintRectOverlay, PageOverlay::FadeMode::DoNotFade);
</span></span></pre>
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