Changeset 129996 in webkit for trunk/Source/WebCore/css/CSSGradientValue.h

Timestamp:

Sep 30, 2012, 2:06:32 PM (13 years ago)

Author:

[email protected]

Message:

444kB below CSSParser::parseDeprecatedGradient() on Membuster3.
<​http://webkit.org/b/97981>
<rdar://problem/12403058>

Reviewed by Anders Carlsson.

Slap an inline capacity of 2 on the Vector<CSSGradientColorStop> in CSSGradientValue.
This covers the majority of gradient values, and reduces memory consumption by ~250kB on Membuster3.

• css/CSSGradientValue.h:

(WebCore::CSSGradientValue::stopCount):

• css/CSSParser.cpp:

(WebCore::CSSParser::parseLinearGradient):
(WebCore::CSSParser::parseGradientColorStops):

File:

• trunk/Source/WebCore/css/CSSGradientValue.h (modified) (2 diffs)

trunk/Source/WebCore/css/CSSGradientValue.h

@@ -60 +60 @@
     void addStop(const CSSGradientColorStop& stop) { m_stops.append(stop); }
 
-    Vector<CSSGradientColorStop>& stops() { return m_stops; }
+    unsigned stopCount() const { return m_stops.size(); }
 
     void sortStopsIfNeeded();
@@ -117 +117 @@
 
     // Stops
-    Vector<CSSGradientColorStop> m_stops;
+    Vector<CSSGradientColorStop, 2> m_stops;
     bool m_stopsSorted;
     bool m_deprecatedType; // -webkit-gradient()