Changeset 87119 in webkit

Timestamp:

May 23, 2011 7:08:46 PM (13 years ago)

Author:

andersca@apple.com

Message:

2011-05-23 Anders Carlsson <​andersca@apple.com>

Reviewed by Sam Weinig.

Cap painting to 30fps on Windows
​https://bugs.webkit.org/show_bug.cgi?id=61337
<rdar://problem/9213388>

• WebProcess/WebPage/DrawingAreaImpl.cpp: (WebKit::DrawingAreaImpl::displayTimerFired):

Location:

trunk/Source/WebKit2

Files:

• ChangeLog (modified) (1 diff)
• WebProcess/WebPage/DrawingAreaImpl.cpp (modified) (1 diff)

trunk/Source/WebKit2/ChangeLog

@@ +1 @@
+2011-05-23  Anders Carlsson  <andersca@apple.com>
+
+        Reviewed by Sam Weinig.
+
+        Cap painting to 30fps on Windows
+        https://bugs.webkit.org/show_bug.cgi?id=61337
+        <rdar://problem/9213388>
+
+        * WebProcess/WebPage/DrawingAreaImpl.cpp:
+        (WebKit::DrawingAreaImpl::displayTimerFired):
+
 2011-05-23  Jeremy Noble  <jer.noble@apple.com>
 

trunk/Source/WebKit2/WebProcess/WebPage/DrawingAreaImpl.cpp

@@ -497 +497 @@
 void DrawingAreaImpl::displayTimerFired()
 {
+#if PLATFORM(WIN)
+    // For now we'll cap painting on Windows to 30fps because painting is much slower there for some reason.
+    static const double minimumFrameInterval = 1.0 / 30.0;
+#else
     static const double minimumFrameInterval = 1.0 / 60.0;
-    
+#endif
+
     double timeSinceLastDisplay = currentTime() - m_lastDisplayTime;
     double timeUntilLayerTreeHostNeedsDisplay = m_layerTreeHost && m_layerTreeHost->participatesInDisplay() ? m_layerTreeHost->timeUntilNextDisplay() : 0;