use unique_ptr to hold the Layers vector

src/rtt.cpp

@@ -12,6 +12,21 @@ RTT::RTT()
     bound = false;
 }
 
+RTT::RTT(RTT&& other)
+{
+    fboID = other.fboID;
+    rboID = other.rboID;
+    w = other.w;
+    h = other.h;
+    bound = other.bound;
+
+    other.fboID = 0;
+    other.rboID = 0;
+    other.w = 0;
+    other.h = 0;
+    other.bound = false;
+}
+
 RTT::~RTT()
 {
     //destroy();