faster SkRect::sort

include/core/SkRect.h

Index: include/core/SkRect.h
diff --git a/include/core/SkRect.h b/include/core/SkRect.h
index d9ef7a5ecfc2cbc2ee79bbcb717c13c0eac461a2..995beb8662ee8a8e395b50435c8e33c44ecce2ca 100644
--- a/include/core/SkRect.h
+++ b/include/core/SkRect.h
@@ -1,4 +1,3 @@
-
 /*
  * Copyright 2006 The Android Open Source Project
  *
@@ -6,7 +5,6 @@
  * found in the LICENSE file.
  */
 
-
 #ifndef SkRect_DEFINED
 #define SkRect_DEFINED
 
@@ -842,7 +840,17 @@ public:
      *  if the edges are computed separately, and may have crossed over each
      *  other. When this returns, left <= right && top <= bottom
      */
-    void sort();
+    void sort() {
+        SkScalar min = SkMinScalar(fLeft, fRight);
+        SkScalar max = SkMaxScalar(fLeft, fRight);
+        fLeft = min;
+        fRight = max;
+        
+        min = SkMinScalar(fTop, fBottom);
+        max = SkMaxScalar(fTop, fBottom);
+        fTop = min;
+        fBottom = max;
+    }
 
     /**
      *  cast-safe way to treat the rect as an array of (4) SkScalars.