From c0fbcf4d318bb9a6e95194b982f4eb382d1b1f12 Mon Sep 17 00:00:00 2001
From: David Robillard <d@drobilla.net>
Date: Thu, 6 Dec 2007 19:23:17 +0000
Subject: Add copy constructor.

git-svn-id: http://svn.drobilla.net/lad/raul@957 a436a847-0d15-0410-975c-d299462d15a1
---
 raul/DoubleBuffer.hpp | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/raul/DoubleBuffer.hpp b/raul/DoubleBuffer.hpp
index 425bb29..4f3907d 100644
--- a/raul/DoubleBuffer.hpp
+++ b/raul/DoubleBuffer.hpp
@@ -18,7 +18,6 @@
 #ifndef RAUL_DOUBLE_BUFFER_HPP
 #define RAUL_DOUBLE_BUFFER_HPP
 
-#include <boost/utility.hpp>
 #include <raul/AtomicInt.hpp>
 #include <raul/AtomicPtr.hpp>
 
@@ -34,7 +33,7 @@ namespace Raul {
  * Space:  2*sizeof(T) + sizeof(int) + sizeof(void*)
  */
 template<typename T>
-class DoubleBuffer : public boost::noncopyable {
+class DoubleBuffer {
 public:
 	
 	inline DoubleBuffer(T val)
@@ -43,8 +42,16 @@ public:
 		_vals[0] = val;
 		_read_val = &_vals[0];
 	}
+	
+	inline DoubleBuffer(const DoubleBuffer& copy)
+		: _state(RAUL_DB_READ_WRITE)
+	{
+		T val = copy.get();
+		_vals[0] = val;
+		_read_val = &_vals[0];
+	}
 
-	inline T& get()
+	inline T& get() const
 	{
 		return *_read_val.get();
 	}
-- 
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