Title: [185288] trunk/Source/WebCore
- Revision
- 185288
- Author
- [email protected]
- Date
- 2015-06-06 01:43:10 -0700 (Sat, 06 Jun 2015)
Log Message
Unreviewed, rolling out r185284.
https://bugs.webkit.org/show_bug.cgi?id=145723
it needs some discussion before landing (Requested by dino on
#webkit).
Reverted changeset:
"[iOS] Don't force compositing layers for no-op 3D transforms
on low-memory devices."
https://bugs.webkit.org/show_bug.cgi?id=145719
http://trac.webkit.org/changeset/185284
Modified Paths
Diff
Modified: trunk/Source/WebCore/ChangeLog (185287 => 185288)
--- trunk/Source/WebCore/ChangeLog 2015-06-06 08:21:20 UTC (rev 185287)
+++ trunk/Source/WebCore/ChangeLog 2015-06-06 08:43:10 UTC (rev 185288)
@@ -1,3 +1,18 @@
+2015-06-06 Commit Queue <[email protected]>
+
+ Unreviewed, rolling out r185284.
+ https://bugs.webkit.org/show_bug.cgi?id=145723
+
+ it needs some discussion before landing (Requested by dino on
+ #webkit).
+
+ Reverted changeset:
+
+ "[iOS] Don't force compositing layers for no-op 3D transforms
+ on low-memory devices."
+ https://bugs.webkit.org/show_bug.cgi?id=145719
+ http://trac.webkit.org/changeset/185284
+
2015-06-06 Ryosuke Niwa <[email protected]>
Typing is slow in Gmail on iPads
Modified: trunk/Source/WebCore/rendering/RenderLayerCompositor.cpp (185287 => 185288)
--- trunk/Source/WebCore/rendering/RenderLayerCompositor.cpp 2015-06-06 08:21:20 UTC (rev 185287)
+++ trunk/Source/WebCore/rendering/RenderLayerCompositor.cpp 2015-06-06 08:43:10 UTC (rev 185288)
@@ -62,7 +62,6 @@
#include "TiledBacking.h"
#include "TransformState.h"
#include <wtf/CurrentTime.h>
-#include <wtf/RAMSize.h>
#include <wtf/TemporaryChange.h>
#include <wtf/text/CString.h>
#include <wtf/text/StringBuilder.h>
@@ -2466,25 +2465,7 @@
// Note that we ask the renderer if it has a transform, because the style may have transforms,
// but the renderer may be an inline that doesn't suppport them.
- if (!renderer.hasTransform())
- return false;
-
- if (!renderer.style().transform().has3DOperation())
- return false;
-
-#if PLATFORM(IOS)
- static uint64_t ramSizeInMB = ramSize() / 1024 / 1024;
- if (ramSizeInMB <= 512) {
- // Special policy for low-memory devices: Don't require compositing just because there's a no-op 3D transform.
- for (auto& transform : renderer.style().transform().operations()) {
- if (!transform->isIdentity())
- return true;
- }
- return false;
- }
-#endif
-
- return true;
+ return renderer.hasTransform() && renderer.style().transform().has3DOperation();
}
bool RenderLayerCompositor::requiresCompositingForBackfaceVisibility(RenderLayerModelObject& renderer) const
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