Title: [175395] trunk/Source/WebCore
- Revision
- 175395
- Author
- [email protected]
- Date
- 2014-10-30 16:26:17 -0700 (Thu, 30 Oct 2014)
Log Message
Short-circuit repaints with empty rects
https://bugs.webkit.org/show_bug.cgi?id=138234
Reviewed by Zalan Bujtas.
Repaints with an empty rectangle are common enough that it's worth
short-circuiting them.
* rendering/RenderObject.cpp:
(WebCore::RenderObject::repaintUsingContainer):
Modified Paths
Diff
Modified: trunk/Source/WebCore/ChangeLog (175394 => 175395)
--- trunk/Source/WebCore/ChangeLog 2014-10-30 23:24:32 UTC (rev 175394)
+++ trunk/Source/WebCore/ChangeLog 2014-10-30 23:26:17 UTC (rev 175395)
@@ -1,3 +1,16 @@
+2014-10-30 Simon Fraser <[email protected]>
+
+ Short-circuit repaints with empty rects
+ https://bugs.webkit.org/show_bug.cgi?id=138234
+
+ Reviewed by Zalan Bujtas.
+
+ Repaints with an empty rectangle are common enough that it's worth
+ short-circuiting them.
+
+ * rendering/RenderObject.cpp:
+ (WebCore::RenderObject::repaintUsingContainer):
+
2014-10-30 Chris Dumez <[email protected]>
Clean up virtual functions in css/
Modified: trunk/Source/WebCore/rendering/RenderObject.cpp (175394 => 175395)
--- trunk/Source/WebCore/rendering/RenderObject.cpp 2014-10-30 23:24:32 UTC (rev 175394)
+++ trunk/Source/WebCore/rendering/RenderObject.cpp 2014-10-30 23:26:17 UTC (rev 175395)
@@ -1232,6 +1232,9 @@
void RenderObject::repaintUsingContainer(const RenderLayerModelObject* repaintContainer, const LayoutRect& r, bool shouldClipToLayer) const
{
+ if (r.isEmpty())
+ return;
+
if (!repaintContainer) {
view().repaintViewRectangle(r);
return;
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