Title: [232539] trunk/Source/WebCore
- Revision
- 232539
- Author
- [email protected]
- Date
- 2018-06-06 07:50:02 -0700 (Wed, 06 Jun 2018)
Log Message
Use minimal coverage rect for tiled layers when under memory pressure
https://bugs.webkit.org/show_bug.cgi?id=186185
<rdar://problem/40713608>
Reviewed by Darin Adler.
We do this for the main content layer already.
* platform/graphics/ca/GraphicsLayerCA.cpp:
(WebCore::GraphicsLayerCA::adjustTiledLayerVisibleRect):
Modified Paths
Diff
Modified: trunk/Source/WebCore/ChangeLog (232538 => 232539)
--- trunk/Source/WebCore/ChangeLog 2018-06-06 11:18:46 UTC (rev 232538)
+++ trunk/Source/WebCore/ChangeLog 2018-06-06 14:50:02 UTC (rev 232539)
@@ -1,3 +1,16 @@
+2018-06-06 Antti Koivisto <[email protected]>
+
+ Use minimal coverage rect for tiled layers when under memory pressure
+ https://bugs.webkit.org/show_bug.cgi?id=186185
+ <rdar://problem/40713608>
+
+ Reviewed by Darin Adler.
+
+ We do this for the main content layer already.
+
+ * platform/graphics/ca/GraphicsLayerCA.cpp:
+ (WebCore::GraphicsLayerCA::adjustTiledLayerVisibleRect):
+
2018-06-05 Antoine Quint <[email protected]>
[Web Animations] Only expose CSSAnimation and CSSTransition if the WebAnimationsCSSIntegration runtime flag is enabled
Modified: trunk/Source/WebCore/platform/graphics/ca/GraphicsLayerCA.cpp (232538 => 232539)
--- trunk/Source/WebCore/platform/graphics/ca/GraphicsLayerCA.cpp 2018-06-06 11:18:46 UTC (rev 232538)
+++ trunk/Source/WebCore/platform/graphics/ca/GraphicsLayerCA.cpp 2018-06-06 14:50:02 UTC (rev 232539)
@@ -2429,6 +2429,9 @@
if (oldVisibleRect.isEmpty() || newSize != oldSize || !newVisibleRect.intersects(oldVisibleRect))
return newVisibleRect;
+ if (MemoryPressureHandler::singleton().isUnderMemoryPressure())
+ return newVisibleRect;
+
const float paddingMultiplier = 2;
float leftEdgeDelta = paddingMultiplier * (newVisibleRect.x() - oldVisibleRect.x());
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