Title: [129982] trunk/Source/WTF
- Revision
- 129982
- Author
- e...@chromium.org
- Date
- 2012-09-29 10:43:42 -0700 (Sat, 29 Sep 2012)
Log Message
Enable SATURATED_LAYOUT_ARITHMETIC for chromium
https://bugs.webkit.org/show_bug.cgi?id=95053
Reviewed by Abhishek Arya.
Enable the SATURATED_LAYOUT_ARITHMETIC flag for the chromium port.
This changes the behavior of FractionalLayoutUnit to clamp to the
max or min value instead of overflowing.
This may very well impact performance so the current plan is to enable
it for a couple of hours to a day to collect performance data and then
disable it again until we've had a chance to review the perf data.
* wtf/Platform.h:
Modified Paths
Diff
Modified: trunk/Source/WTF/ChangeLog (129981 => 129982)
--- trunk/Source/WTF/ChangeLog 2012-09-29 16:03:02 UTC (rev 129981)
+++ trunk/Source/WTF/ChangeLog 2012-09-29 17:43:42 UTC (rev 129982)
@@ -1,3 +1,20 @@
+2012-09-29 Emil A Eklund <e...@chromium.org>
+
+ Enable SATURATED_LAYOUT_ARITHMETIC for chromium
+ https://bugs.webkit.org/show_bug.cgi?id=95053
+
+ Reviewed by Abhishek Arya.
+
+ Enable the SATURATED_LAYOUT_ARITHMETIC flag for the chromium port.
+ This changes the behavior of FractionalLayoutUnit to clamp to the
+ max or min value instead of overflowing.
+
+ This may very well impact performance so the current plan is to enable
+ it for a couple of hours to a day to collect performance data and then
+ disable it again until we've had a chance to review the perf data.
+
+ * wtf/Platform.h:
+
2012-09-28 Anders Carlsson <ander...@apple.com>
Remove Java bridge
Modified: trunk/Source/WTF/wtf/Platform.h (129981 => 129982)
--- trunk/Source/WTF/wtf/Platform.h 2012-09-29 16:03:02 UTC (rev 129981)
+++ trunk/Source/WTF/wtf/Platform.h 2012-09-29 17:43:42 UTC (rev 129982)
@@ -827,8 +827,12 @@
#endif
#if !defined(ENABLE_SATURATED_LAYOUT_ARITHMETIC)
+#if PLATFORM(CHROMIUM)
+#define ENABLE_SATURATED_LAYOUT_ARITHMETIC 1
+#else
#define ENABLE_SATURATED_LAYOUT_ARITHMETIC 0
#endif
+#endif
#if ENABLE(ENABLE_SATURATED_LAYOUT_ARITHMETIC) && !ENABLE(ENABLE_SUBPIXEL_LAYOUT)
#error "ENABLE_SATURATED_LAYOUT_ARITHMETIC requires ENABLE_SUBPIXEL_LAYOUT"
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