remove one un-needed static initializer
This patch removes the use of a static C++ object in the
implementation of SkMatrix44::isIdentity(). Instead, we rely
on direct comparison with a statically allocated array of
SkMScalar values, which is completely equivalent.
Review URL: http://codereview.appspot.com/5502067
git-svn-id: http://skia.googlecode.com/svn/trunk@2991 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/utils/SkMatrix44.cpp b/src/utils/SkMatrix44.cpp
index a59c91b..f00e399 100644
--- a/src/utils/SkMatrix44.cpp
+++ b/src/utils/SkMatrix44.cpp
@@ -84,10 +84,14 @@
///////////////////////////////////////////////////////////////////////////////
-static const SkMatrix44 gIdentity44;
-
bool SkMatrix44::isIdentity() const {
- return *this == gIdentity44;
+ static const SkMScalar sIdentityMat[4][4] = {
+ { 1, 0, 0, 0 },
+ { 0, 1, 0, 0 },
+ { 0, 0, 1, 0 },
+ { 0, 0, 0, 1 },
+ };
+ return !memcmp(fMat, sIdentityMat, sizeof(fMat));
}
///////////////////////////////////////////////////////////////////////////////