Graphics.Rendering.OGL.GL.StateVar

Description

Synopsis

• class HasGetter g where
  • get :: MonadGL m => g a -> m a
• data GettableStateVar a
• makeGettableStateVar :: IO a -> GettableStateVar a
• class HasSetter s where
  • ($=) :: MonadGL m => s a -> a -> m ()
• set :: MonadGL m => [IO ()] -> m ()
• data SettableStateVar a
• makeSettableStateVar :: (a -> IO ()) -> SettableStateVar a
• data StateVar a
• makeStateVar :: IO a -> (a -> IO ()) -> StateVar a
• ($~) :: (HasGetter v, HasSetter v, MonadGL m) => v a -> (a -> a) -> m ()
• ($=!) :: (HasSetter s, MonadGL m) => s a -> a -> m ()
• ($~!) :: (HasGetter v, HasSetter v, MonadGL m) => v a -> (a -> a) -> m ()
• getIO :: HasGetter g => g a -> IO a
• ($$=) :: HasSetter g => g a -> a -> IO ()

Documentation