{-# OPTIONS_HADDOCK hide #-}
--------------------------------------------------------------------------------
-- |
-- Module      :  Graphics.Rendering.OpenGL.GL.GLboolean
-- Copyright   :  (c) Sven Panne 2002-2019
-- License     :  BSD3
-- 
-- Maintainer  :  Sven Panne <svenpanne@gmail.com>
-- Stability   :  stable
-- Portability :  portable
--
-- This is a purely internal module for (un-)marshaling GLboolean.
--
--------------------------------------------------------------------------------

module Graphics.Rendering.OpenGL.GL.GLboolean (
   marshalGLboolean, unmarshalGLboolean
) where

import Graphics.GL

--------------------------------------------------------------------------------

marshalGLboolean :: Num a => Bool -> a
marshalGLboolean :: forall a. Num a => Bool -> a
marshalGLboolean Bool
x = forall a b. (Integral a, Num b) => a -> b
fromIntegral forall a b. (a -> b) -> a -> b
$ case Bool
x of
   Bool
False -> GLboolean
GL_FALSE
   Bool
True -> GLboolean
GL_TRUE

unmarshalGLboolean :: (Eq a, Num a) => a -> Bool
unmarshalGLboolean :: forall a. (Eq a, Num a) => a -> Bool
unmarshalGLboolean = (forall a. Eq a => a -> a -> Bool
/= forall a b. (Integral a, Num b) => a -> b
fromIntegral GLboolean
GL_FALSE)