Title: [249044] trunk/Source/WebCore
- Revision
- 249044
- Author
- simon.fra...@apple.com
- Date
- 2019-08-23 08:14:46 -0700 (Fri, 23 Aug 2019)
Log Message
Don't call clipCrossesPaintingBoundary() when not necessary
https://bugs.webkit.org/show_bug.cgi?id=201064
Reviewed by Zalan Bujtas.
clipCrossesPaintingBoundary() does some RenderLayer ancestor walks, so avoid
calling it when we already know that the clip rects are TemporaryClipRects.
* rendering/RenderLayer.cpp:
(WebCore::RenderLayer::calculateClipRects const):
Modified Paths
Diff
Modified: trunk/Source/WebCore/ChangeLog (249043 => 249044)
--- trunk/Source/WebCore/ChangeLog 2019-08-23 10:53:00 UTC (rev 249043)
+++ trunk/Source/WebCore/ChangeLog 2019-08-23 15:14:46 UTC (rev 249044)
@@ -1,3 +1,16 @@
+2019-08-23 Simon Fraser <simon.fra...@apple.com>
+
+ Don't call clipCrossesPaintingBoundary() when not necessary
+ https://bugs.webkit.org/show_bug.cgi?id=201064
+
+ Reviewed by Zalan Bujtas.
+
+ clipCrossesPaintingBoundary() does some RenderLayer ancestor walks, so avoid
+ calling it when we already know that the clip rects are TemporaryClipRects.
+
+ * rendering/RenderLayer.cpp:
+ (WebCore::RenderLayer::calculateClipRects const):
+
2019-08-23 Philippe Normand <pnorm...@igalia.com>
[GStreamer] Hole-punch build is broken
Modified: trunk/Source/WebCore/rendering/RenderLayer.cpp (249043 => 249044)
--- trunk/Source/WebCore/rendering/RenderLayer.cpp 2019-08-23 10:53:00 UTC (rev 249043)
+++ trunk/Source/WebCore/rendering/RenderLayer.cpp 2019-08-23 15:14:46 UTC (rev 249044)
@@ -5590,7 +5590,7 @@
ClipRectsContext parentContext(clipRectsContext);
parentContext.overlayScrollbarSizeRelevancy = IgnoreOverlayScrollbarSize; // FIXME: why?
- if (clipCrossesPaintingBoundary())
+ if (parentContext.clipRectsType != TemporaryClipRects && clipCrossesPaintingBoundary())
parentContext.clipRectsType = TemporaryClipRects;
parentLayer->calculateClipRects(parentContext, clipRects);
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