implement: "Add an ANativeWindow API for SurfaceFlinger to suggest an optimal buffer orientation"
Bug: 4487161
Change-Id: I883f34efe542c2a566d04966f873374f40c50092
diff --git a/services/surfaceflinger/clz.h b/services/surfaceflinger/clz.h
index ca44555..a4c5262 100644
--- a/services/surfaceflinger/clz.h
+++ b/services/surfaceflinger/clz.h
@@ -24,6 +24,41 @@
return __builtin_clz(x);
}
+template <typename T>
+static inline T min(T a, T b) {
+ return a<b ? a : b;
+}
+template <typename T>
+static inline T min(T a, T b, T c) {
+ return min(a, min(b, c));
+}
+template <typename T>
+static inline T min(T a, T b, T c, T d) {
+ return min(a, b, min(c, d));
+}
+
+template <typename T>
+static inline T max(T a, T b) {
+ return a>b ? a : b;
+}
+template <typename T>
+static inline T max(T a, T b, T c) {
+ return max(a, max(b, c));
+}
+template <typename T>
+static inline T max(T a, T b, T c, T d) {
+ return max(a, b, max(c, d));
+}
+
+template <typename T>
+static inline
+void swap(T& a, T& b) {
+ T t(a);
+ a = b;
+ b = t;
+}
+
+
}; // namespace android
#endif /* ANDROID_SURFACE_FLINGER_CLZ_H */