Only flush layers when the exposed rect actually changes

https://bugs.webkit.org/show_bug.cgi?id=134248 Reviewed by Anders Carlsson. Source/WebCore: * WebCore.exp.in: Source/WebKit2: * WebProcess/WebPage/mac/RemoteLayerTreeDrawingArea.mm: (WebKit::RemoteLayerTreeDrawingArea::setExposedContentRect): Canonical link: https://commits.webkit.org/152233@main git-svn-id: https://svn.webkit.org/repository/webkit/trunk@170377 268f45cc-cd09-0410-ab3c-d52691b4dbfc
WebKit · Jun 24, 2014 · 80d3862 · 80d3862
1 parent 58a93db
commit 80d3862
Show file tree

Hide file tree

Showing 4 changed files with 22 additions and 0 deletions.
diff --git a/Source/WebCore/ChangeLog b/Source/WebCore/ChangeLog
@@ -1,3 +1,12 @@
+2014-06-24  Antti Koivisto  <antti@apple.com>
+
+        Only flush layers when the exposed rect actually changes
+        https://bugs.webkit.org/show_bug.cgi?id=134248
+
+        Reviewed by Anders Carlsson.
+
+        * WebCore.exp.in:
+
 2014-06-24  Brady Eidson  <beidson@apple.com>
 
         Remove references to "Shader.h" which doesn't currently exist in the project.

diff --git a/Source/WebCore/WebCore.exp.in b/Source/WebCore/WebCore.exp.in
@@ -1546,6 +1546,7 @@ __ZNK7WebCore10ScrollView16windowToContentsERKNS_7IntRectE
 __ZNK7WebCore10ScrollView16windowToContentsERKNS_8IntPointE
 __ZNK7WebCore10ScrollView18contentsToRootViewERKNS_7IntRectE
 __ZNK7WebCore10ScrollView18contentsToRootViewERKNS_8IntPointE
+__ZNK7WebCore10ScrollView18exposedContentRectEv
 __ZNK7WebCore10ScrollView18rootViewToContentsERKNS_8IntPointE
 __ZNK7WebCore10ScrollView23rootViewToTotalContentsERKNS_8IntPointE
 __ZNK7WebCore10ScrollView40documentScrollOffsetRelativeToViewOriginEv

diff --git a/Source/WebKit2/ChangeLog b/Source/WebKit2/ChangeLog
@@ -1,3 +1,13 @@
+2014-06-24  Antti Koivisto  <antti@apple.com>
+
+        Only flush layers when the exposed rect actually changes
+        https://bugs.webkit.org/show_bug.cgi?id=134248
+
+        Reviewed by Anders Carlsson.
+
+        * WebProcess/WebPage/mac/RemoteLayerTreeDrawingArea.mm:
+        (WebKit::RemoteLayerTreeDrawingArea::setExposedContentRect):
+
 2014-06-24  Martin Hock  <mhock@apple.com>
 
         [iOS] DOMWindow::outerWidth and outerHeight don't return useful values, so return 0.

diff --git a/Source/WebKit2/WebProcess/WebPage/mac/RemoteLayerTreeDrawingArea.mm b/Source/WebKit2/WebProcess/WebPage/mac/RemoteLayerTreeDrawingArea.mm
@@ -202,6 +202,8 @@
     FrameView* frameView = m_webPage.mainFrameView();
     if (!frameView)
         return;
+    if (frameView->exposedContentRect() == exposedContentRect)
+        return;
 
     frameView->setExposedContentRect(exposedContentRect);
     scheduleCompositingLayerFlush();