OGL-0.0.3: A context aware binding for the OpenGL graphics system Source code Contents Index

Graphics.Rendering.OGL.GL.StateVar Portability portable Stability stable Maintainer sven.panne@aedion.de

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

class HasGetter g where Source

Methods get :: MonadGL m => g a -> m a Source Instances HasGetter IORef HasGetter StateVar HasGetter GettableStateVar

data GettableStateVar a Source

Instances HasGetter GettableStateVar

makeGettableStateVar :: IO a -> GettableStateVar a Source

class HasSetter s where Source

Methods ($=) :: MonadGL m => s a -> a -> m () Source Instances HasSetter IORef HasSetter StateVar HasSetter SettableStateVar

set :: MonadGL m => [IO ()] -> m () Source

data SettableStateVar a Source

Instances HasSetter SettableStateVar

makeSettableStateVar :: (a -> IO ()) -> SettableStateVar a Source

data StateVar a Source

Instances HasSetter StateVar HasGetter StateVar

makeStateVar :: IO a -> (a -> IO ()) -> StateVar a Source

($~) :: (HasGetter v, HasSetter v, MonadGL m) => v a -> (a -> a) -> m () Source

A modificator convenience function.

($=!) :: (HasSetter s, MonadGL m) => s a -> a -> m () Source

A strict variant of $=.

($~!) :: (HasGetter v, HasSetter v, MonadGL m) => v a -> (a -> a) -> m () Source

A strict variant of $~.

getIO :: HasGetter g => g a -> IO a Source

compatibility: get in the IO monad.

($$=) :: HasSetter g => g a -> a -> IO () Source

compatibility: $= in the IO monad.

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