From c2f0d423f8881376b8e9642a6ab92d9506cdfb41 Mon Sep 17 00:00:00 2001
From: David Robillard <d@drobilla.net>
Date: Sun, 3 Feb 2013 22:29:15 +0000
Subject: Port control performance improvements (further improvement for #879).
 Only request a redraw, not a full update, where appropriate. Use a raw double
 instead of GVariant for port control-changed signal.

git-svn-id: http://svn.drobilla.net/lad/trunk/ingen@5045 a436a847-0d15-0410-975c-d299462d15a1
---
 src/server/Engine.hpp | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'src/server/Engine.hpp')

diff --git a/src/server/Engine.hpp b/src/server/Engine.hpp
index e7327ef4..851b3127 100644
--- a/src/server/Engine.hpp
+++ b/src/server/Engine.hpp
@@ -17,6 +17,8 @@
 #ifndef INGEN_ENGINE_ENGINE_HPP
 #define INGEN_ENGINE_ENGINE_HPP
 
+#include <random>
+
 #include <boost/utility.hpp>
 
 #include "ingen/EngineBase.hpp"
@@ -76,6 +78,9 @@ public:
 	                             SPtr<Interface>  client);
 	virtual bool unregister_client(const Raul::URI& uri);
 
+	/** Return a random [0..1] float with uniform distribution */
+	float frand() { return _uniform_dist(_rand_engine); }
+
 	void set_driver(SPtr<Driver> driver);
 
 	SampleCount event_time();
@@ -128,6 +133,9 @@ private:
 
 	ProcessContext _process_context;
 
+	std::mt19937                          _rand_engine;
+	std::uniform_real_distribution<float> _uniform_dist;
+
 	bool _quit_flag;
 	bool _direct_driver;
 };
-- 
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