Attachment 341738 Details for Bug 186185 – patch

[patch] patch

tile-layer-memory-pressure.patch (text/plain), 1.45 KB, created by Antti Koivisto on 2018-06-01 00:17:45 PDT

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Creator: Antti Koivisto

Created: 2018-06-01 00:17:45 PDT

Size: 1.45 KB

patch

obsolete

>Index: Source/WebCore/ChangeLog
>===================================================================
>--- Source/WebCore/ChangeLog	(revision 232389)
>+++ Source/WebCore/ChangeLog	(working copy)
>@@ -1,3 +1,16 @@
>+2018-06-01  Antti Koivisto  <antti@apple.com>
>+
>+        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 NOBODY (OOPS!).
>+
>+        We do this for the main content layer already.
>+
>+        * platform/graphics/ca/GraphicsLayerCA.cpp:
>+        (WebCore::GraphicsLayerCA::adjustTiledLayerVisibleRect):
>+
> 2018-05-31  Per Arne Vollan  <pvollan@apple.com>
> 
>         Add OpenGL display mask to WebPage creation parameters.
>Index: Source/WebCore/platform/graphics/ca/GraphicsLayerCA.cpp
>===================================================================
>--- Source/WebCore/platform/graphics/ca/GraphicsLayerCA.cpp	(revision 232149)
>+++ Source/WebCore/platform/graphics/ca/GraphicsLayerCA.cpp	(working copy)
>@@ -2429,6 +2429,9 @@ FloatRect GraphicsLayerCA::adjustTiledLa
>     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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Attachments on bug 186185: 341738 | 341755