swiss ok, needs more benchmark

StgSharp.Graphics/OpenGL/glRenderStream.cs

@@ -50,10 +50,7 @@ namespace StgSharp.Graphics.OpenGL
 
         private OpenGLFunction _context;
 
-        protected internal OpenGLFunction GL
-        {
-            get { return _context; }
-        }
+        protected internal OpenGLFunction GL => _context;
 
         /// <summary>
         ///   Initialize an opengl context and load all opengl functions.
@@ -169,29 +166,5 @@ namespace StgSharp.Graphics.OpenGL
             NativeCamera.SetViewDirection(position, direction, up);
         }
 
-        #region Key Control
-
-        protected KeyStatus CheckKey(
-                            KeyboardKey key
-        )
-        {
-            return GraphicFramework.glfwGetKey(this.CanvasHandle, (int)key);
-        }
-
-        protected KeyStatus CheckKey(
-                            Mouse key
-        )
-        {
-            return GraphicFramework.glfwGetKey(this.CanvasHandle, (int)key);
-        }
-
-        protected KeyStatus CheckKey(
-                            Joystick key
-        )
-        {
-            return GraphicFramework.glfwGetKey(this.CanvasHandle, (int)key);
-        }
-
-        #endregion
     }
 }