add initial examples, replacing the 'Demos/Demos3'. Will make it work cross-platform, OpenGL3/OpenGL2 and add more examples to it.

examples/OpenGLWindow/b3gWindowInterface.h

@@ -0,0 +1,126 @@
+#ifndef B3G_WINDOW_INTERFACE_H
+#define B3G_WINDOW_INTERFACE_H
+
+
+typedef void (*b3WheelCallback)(float deltax, float deltay);
+typedef void (*b3ResizeCallback)( float width, float height);
+typedef void (*b3MouseMoveCallback)( float x, float y);
+typedef void (*b3MouseButtonCallback)(int button, int state, float x, float y);
+typedef void (*b3KeyboardCallback)(int keycode, int state);
+typedef void (*b3RenderCallback) ();
+
+enum {
+	B3G_ESCAPE = 27,
+	B3G_F1 = 0xff00,
+	B3G_F2,
+	B3G_F3,
+	B3G_F4,
+	B3G_F5,
+	B3G_F6,
+	B3G_F7,
+	B3G_F8,
+	B3G_F9,
+	B3G_F10,
+	B3G_F11,
+	B3G_F12,
+	B3G_F13,
+	B3G_F14,
+	B3G_F15,
+	B3G_LEFT_ARROW,
+	B3G_RIGHT_ARROW,
+	B3G_UP_ARROW,
+	B3G_DOWN_ARROW,
+	B3G_PAGE_UP,
+	B3G_PAGE_DOWN,
+	B3G_END,
+	B3G_HOME,
+	B3G_INSERT,
+	B3G_DELETE,
+	B3G_BACKSPACE,
+	B3G_SHIFT,
+	B3G_CONTROL,
+	B3G_ALT,
+	B3G_RETURN
+};
+
+struct b3gWindowConstructionInfo
+{
+		int m_width;
+		int m_height;
+		bool m_fullscreen;
+		int m_colorBitsPerPixel;
+		void* m_windowHandle;
+		const char* m_title;
+		int m_openglVersion;
+    
+
+		b3gWindowConstructionInfo(int width=1024, int height=768)
+		:m_width(width),
+			m_height(height),
+			m_fullscreen(false),
+			m_colorBitsPerPixel(32),
+			m_windowHandle(0),
+			m_title("title"),
+			m_openglVersion(3)
+			{
+			}
+};
+
+
+class b3gWindowInterface
+{
+	public:
+		
+		virtual ~b3gWindowInterface()
+		{
+		}
+
+		virtual void	createDefaultWindow(int width, int height, const char* title)
+		{
+			b3gWindowConstructionInfo ci(width,height);
+			ci.m_title = title;
+			createWindow(ci);
+		}
+
+		virtual	void	createWindow(const b3gWindowConstructionInfo& ci)=0;
+		
+		virtual void	closeWindow()=0;
+
+		virtual void	runMainLoop()=0;
+		virtual	float	getTimeInSeconds()=0;
+
+		virtual bool	requestedExit() const = 0;
+		virtual	void	setRequestExit() = 0;
+
+		virtual	void	startRendering()=0;
+
+		virtual	void	endRendering()=0;
+
+		virtual bool	isModifiedKeyPressed(int key) = 0;
+		
+		virtual void setMouseMoveCallback(b3MouseMoveCallback	mouseCallback)=0;
+		virtual b3MouseMoveCallback getMouseMoveCallback()=0;
+		
+		virtual void setMouseButtonCallback(b3MouseButtonCallback	mouseCallback)=0;
+		virtual b3MouseButtonCallback getMouseButtonCallback()=0;
+
+		virtual void setResizeCallback(b3ResizeCallback	resizeCallback)=0;
+		virtual b3ResizeCallback getResizeCallback()=0;
+		
+		virtual void setWheelCallback(b3WheelCallback wheelCallback)=0;
+		virtual b3WheelCallback getWheelCallback()=0;
+		
+		virtual void setKeyboardCallback( b3KeyboardCallback	keyboardCallback)=0;
+		virtual b3KeyboardCallback	getKeyboardCallback()=0;
+
+		virtual void setRenderCallback( b3RenderCallback renderCallback) = 0;
+	
+		virtual void setWindowTitle(const char* title)=0;
+
+		virtual	float	getRetinaScale() const =0;
+
+        virtual int fileOpenDialog(char* fileName, int maxFileNameLength) = 0;
+    
+};
+
+#endif //B3G_WINDOW_INTERFACE_H