Add the original path renderer files and some support files from Android.
Renamed PathRenderer.{cpp,h} to AndroidPathRenderer.{cpp,h} to avoid name
collisions.
http://codereview.appspot.com/6938050/
git-svn-id: http://skia.googlecode.com/svn/trunk@6789 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/experimental/AndroidPathRenderer/cutils/compiler.h b/experimental/AndroidPathRenderer/cutils/compiler.h
new file mode 100644
index 0000000..56c623c
--- /dev/null
+++ b/experimental/AndroidPathRenderer/cutils/compiler.h
@@ -0,0 +1,35 @@
+/*
+ * Copyright 2012 The Android Open Source Project
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#ifndef ANDROID_CUTILS_COMPILER_H
+#define ANDROID_CUTILS_COMPILER_H
+
+/*
+ * helps the compiler's optimizer predicting branches
+ */
+
+#ifdef __cplusplus
+# define CC_LIKELY( exp ) (__builtin_expect( !!(exp), true ))
+# define CC_UNLIKELY( exp ) (__builtin_expect( !!(exp), false ))
+#else
+# define CC_LIKELY( exp ) (__builtin_expect( !!(exp), 1 ))
+# define CC_UNLIKELY( exp ) (__builtin_expect( !!(exp), 0 ))
+#endif
+
+/**
+ * exports marked symbols
+ *
+ * if used on a C++ class declaration, this macro must be inserted
+ * after the "class" keyword. For instance:
+ *
+ * template <typename TYPE>
+ * class ANDROID_API Singleton { }
+ */
+
+#define ANDROID_API __attribute__((visibility("default")))
+
+#endif // ANDROID_CUTILS_COMPILER_H