diff --git a/examples/CommonInterfaces/CommonWindowInterface.h b/examples/CommonInterfaces/CommonWindowInterface.h
index f94189c00..fb3b574e9 100644
--- a/examples/CommonInterfaces/CommonWindowInterface.h
+++ b/examples/CommonInterfaces/CommonWindowInterface.h
@@ -118,6 +118,8 @@ class CommonWindowInterface
 		virtual void setWindowTitle(const char* title)=0;
 
 		virtual	float	getRetinaScale() const =0;
+		virtual	void	setAllowRetina(bool allow) =0;
+	
 
         virtual int fileOpenDialog(char* fileName, int maxFileNameLength) = 0;
     
diff --git a/examples/ExampleBrowser/OpenGLExampleBrowser.cpp b/examples/ExampleBrowser/OpenGLExampleBrowser.cpp
index b4c3f3c2f..82dec4687 100644
--- a/examples/ExampleBrowser/OpenGLExampleBrowser.cpp
+++ b/examples/ExampleBrowser/OpenGLExampleBrowser.cpp
@@ -715,7 +715,7 @@ bool OpenGLExampleBrowser::init(int argc, char* argv[])
     {
 		char title[1024];
 		sprintf(title,"%s using OpenGL3+. %s", appTitle,optMode);
-        simpleApp = new SimpleOpenGL3App(title,width,height);
+        simpleApp = new SimpleOpenGL3App(title,width,height, gAllowRetina);
         s_app = simpleApp;
     }
 #endif
diff --git a/examples/OpenGLWindow/MacOpenGLWindow.h b/examples/OpenGLWindow/MacOpenGLWindow.h
index 29204b260..f17102a8b 100644
--- a/examples/OpenGLWindow/MacOpenGLWindow.h
+++ b/examples/OpenGLWindow/MacOpenGLWindow.h
@@ -19,6 +19,8 @@ class MacOpenGLWindow : public CommonWindowInterface
 	b3RenderCallback m_renderCallback;
 	
     float m_retinaScaleFactor;
+	bool m_allowRetina;
+	
 public:
     
     MacOpenGLWindow();
@@ -89,6 +91,10 @@ public:
     {
         return m_retinaScaleFactor;
     }
+	virtual	void	setAllowRetina(bool allow)
+	{
+		m_allowRetina = allow;
+	}
 	
 	virtual	void	createWindow(const b3gWindowConstructionInfo& ci);
 	
diff --git a/examples/OpenGLWindow/MacOpenGLWindow.mm b/examples/OpenGLWindow/MacOpenGLWindow.mm
index 3bb3f2559..6bc0dc056 100644
--- a/examples/OpenGLWindow/MacOpenGLWindow.mm
+++ b/examples/OpenGLWindow/MacOpenGLWindow.mm
@@ -39,7 +39,6 @@ void dumpInfo(void)
 
 
 
-extern bool gAllowRetina;
 
 // -------------------- View ------------------------
 
@@ -233,7 +232,8 @@ m_mouseMoveCallback(0),
 m_mouseButtonCallback(0),
 m_wheelCallback(0),
 m_keyboardCallback(0),
-m_retinaScaleFactor(1)
+m_retinaScaleFactor(1),
+m_allowRetina(true)
 {
 }
 
@@ -398,7 +398,7 @@ void MacOpenGLWindow::createWindow(const b3gWindowConstructionInfo& ci)
     //support HighResolutionOSX for Retina Macbook
     if (ci.m_openglVersion>=3)
     {
-		if (gAllowRetina)
+		if (m_allowRetina)
 		{
 			[m_internalData->m_myview  setWantsBestResolutionOpenGLSurface:YES];
 		}
diff --git a/examples/OpenGLWindow/SimpleOpenGL3App.cpp b/examples/OpenGLWindow/SimpleOpenGL3App.cpp
index a5fda66ba..67dfa0953 100644
--- a/examples/OpenGLWindow/SimpleOpenGL3App.cpp
+++ b/examples/OpenGLWindow/SimpleOpenGL3App.cpp
@@ -112,7 +112,7 @@ static GLuint BindFont(const CTexFont *_Font)
 
 extern unsigned char OpenSansData[];
 
-SimpleOpenGL3App::SimpleOpenGL3App(	const char* title, int width,int height)
+SimpleOpenGL3App::SimpleOpenGL3App(	const char* title, int width,int height, bool allowRetina)
 {
 	gApp = this;
 	m_data = new SimpleInternalData;
@@ -123,6 +123,8 @@ SimpleOpenGL3App::SimpleOpenGL3App(	const char* title, int width,int height)
 	m_data->m_upAxis = 1;
 
 	m_window = new b3gDefaultOpenGLWindow();
+	m_window->setAllowRetina(allowRetina);
+	
 	b3gWindowConstructionInfo ci;
 	ci.m_title = title;
 	ci.m_width = width;
diff --git a/examples/OpenGLWindow/SimpleOpenGL3App.h b/examples/OpenGLWindow/SimpleOpenGL3App.h
index 64123c36e..15fee8ab5 100644
--- a/examples/OpenGLWindow/SimpleOpenGL3App.h
+++ b/examples/OpenGLWindow/SimpleOpenGL3App.h
@@ -16,7 +16,7 @@ struct SimpleOpenGL3App : public CommonGraphicsApp
 	class GLInstancingRenderer* m_instancingRenderer;
 	virtual void setBackgroundColor(float red, float green, float blue);
 
-	SimpleOpenGL3App(const char* title, int width,int height);
+	SimpleOpenGL3App(const char* title, int width,int height, bool allowRetina);
 	virtual ~SimpleOpenGL3App();
 
 	virtual int	registerCubeShape(float halfExtentsX=1.f,float halfExtentsY=1.f, float halfExtentsZ = 1.f, int textureIndex = -1);
diff --git a/examples/OpenGLWindow/Win32OpenGLWindow.h b/examples/OpenGLWindow/Win32OpenGLWindow.h
index 41f42d956..bf8a0f5eb 100644
--- a/examples/OpenGLWindow/Win32OpenGLWindow.h
+++ b/examples/OpenGLWindow/Win32OpenGLWindow.h
@@ -51,6 +51,7 @@ public:
 	virtual	void	endRendering();
 
 	virtual float getRetinaScale() const {return 1.f;}
+	virtual void setAllowRetina(bool /*allowRetina*/) {};
 
 	virtual int fileOpenDialog(char* fileName, int maxFileNameLength);
 };
diff --git a/examples/OpenGLWindow/X11OpenGLWindow.h b/examples/OpenGLWindow/X11OpenGLWindow.h
index fd8fc6127..cc28aae1a 100644
--- a/examples/OpenGLWindow/X11OpenGLWindow.h
+++ b/examples/OpenGLWindow/X11OpenGLWindow.h
@@ -39,7 +39,7 @@ public:
         virtual void    endRendering();
 
         virtual float getRetinaScale() const {return 1.f;}
-
+	virtual void setAllowRetina(bool /*allowRetina*/) {};
 
 	virtual void    runMainLoop();
         virtual float   getTimeInSeconds();