{-# OPTIONS_HADDOCK hide #-}
module Graphics.Rendering.OpenGL.GL.RenderMode (
RenderMode(..), withRenderMode, renderMode
) where
import Data.StateVar
import Graphics.Rendering.OpenGL.GL.Exception
import Graphics.Rendering.OpenGL.GL.QueryUtils
import Graphics.GL
data RenderMode =
Render
| Feedback
| Select
deriving ( RenderMode -> RenderMode -> Bool
(RenderMode -> RenderMode -> Bool)
-> (RenderMode -> RenderMode -> Bool) -> Eq RenderMode
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
/= :: RenderMode -> RenderMode -> Bool
$c/= :: RenderMode -> RenderMode -> Bool
== :: RenderMode -> RenderMode -> Bool
$c== :: RenderMode -> RenderMode -> Bool
Eq, Eq RenderMode
Eq RenderMode =>
(RenderMode -> RenderMode -> Ordering)
-> (RenderMode -> RenderMode -> Bool)
-> (RenderMode -> RenderMode -> Bool)
-> (RenderMode -> RenderMode -> Bool)
-> (RenderMode -> RenderMode -> Bool)
-> (RenderMode -> RenderMode -> RenderMode)
-> (RenderMode -> RenderMode -> RenderMode)
-> Ord RenderMode
RenderMode -> RenderMode -> Bool
RenderMode -> RenderMode -> Ordering
RenderMode -> RenderMode -> RenderMode
forall a.
Eq a =>
(a -> a -> Ordering)
-> (a -> a -> Bool)
-> (a -> a -> Bool)
-> (a -> a -> Bool)
-> (a -> a -> Bool)
-> (a -> a -> a)
-> (a -> a -> a)
-> Ord a
min :: RenderMode -> RenderMode -> RenderMode
$cmin :: RenderMode -> RenderMode -> RenderMode
max :: RenderMode -> RenderMode -> RenderMode
$cmax :: RenderMode -> RenderMode -> RenderMode
>= :: RenderMode -> RenderMode -> Bool
$c>= :: RenderMode -> RenderMode -> Bool
> :: RenderMode -> RenderMode -> Bool
$c> :: RenderMode -> RenderMode -> Bool
<= :: RenderMode -> RenderMode -> Bool
$c<= :: RenderMode -> RenderMode -> Bool
< :: RenderMode -> RenderMode -> Bool
$c< :: RenderMode -> RenderMode -> Bool
compare :: RenderMode -> RenderMode -> Ordering
$ccompare :: RenderMode -> RenderMode -> Ordering
$cp1Ord :: Eq RenderMode
Ord, Int -> RenderMode -> ShowS
[RenderMode] -> ShowS
RenderMode -> String
(Int -> RenderMode -> ShowS)
-> (RenderMode -> String)
-> ([RenderMode] -> ShowS)
-> Show RenderMode
forall a.
(Int -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
showList :: [RenderMode] -> ShowS
$cshowList :: [RenderMode] -> ShowS
show :: RenderMode -> String
$cshow :: RenderMode -> String
showsPrec :: Int -> RenderMode -> ShowS
$cshowsPrec :: Int -> RenderMode -> ShowS
Show )
marshalRenderMode :: RenderMode -> GLenum
marshalRenderMode :: RenderMode -> GLenum
marshalRenderMode x :: RenderMode
x = case RenderMode
x of
Render -> GLenum
GL_RENDER
Feedback -> GLenum
GL_FEEDBACK
Select -> GLenum
GL_SELECT
unmarshalRenderMode :: GLenum -> RenderMode
unmarshalRenderMode :: GLenum -> RenderMode
unmarshalRenderMode x :: GLenum
x
| GLenum
x GLenum -> GLenum -> Bool
forall a. Eq a => a -> a -> Bool
== GLenum
GL_RENDER = RenderMode
Render
| GLenum
x GLenum -> GLenum -> Bool
forall a. Eq a => a -> a -> Bool
== GLenum
GL_FEEDBACK = RenderMode
Feedback
| GLenum
x GLenum -> GLenum -> Bool
forall a. Eq a => a -> a -> Bool
== GLenum
GL_SELECT = RenderMode
Select
| Bool
otherwise = String -> RenderMode
forall a. HasCallStack => String -> a
error ("unmarshalRenderMode: illegal value " String -> ShowS
forall a. [a] -> [a] -> [a]
++ GLenum -> String
forall a. Show a => a -> String
show GLenum
x)
withRenderMode :: RenderMode -> IO a -> IO (a, GLint)
withRenderMode :: RenderMode -> IO a -> IO (a, GLint)
withRenderMode newMode :: RenderMode
newMode action :: IO a
action = do
RenderMode
oldMode <- GettableStateVar RenderMode -> GettableStateVar RenderMode
forall t a (m :: * -> *). (HasGetter t a, MonadIO m) => t -> m a
get GettableStateVar RenderMode
renderMode
GLint
_ <- RenderMode -> IO GLint
setRenderMode RenderMode
newMode
IO a
action IO a -> IO GLint -> IO (a, GLint)
forall a b. IO a -> IO b -> IO (a, b)
`finallyRet` RenderMode -> IO GLint
setRenderMode RenderMode
oldMode
setRenderMode :: RenderMode -> IO GLint
setRenderMode :: RenderMode -> IO GLint
setRenderMode = GLenum -> IO GLint
forall (m :: * -> *). MonadIO m => GLenum -> m GLint
glRenderMode (GLenum -> IO GLint)
-> (RenderMode -> GLenum) -> RenderMode -> IO GLint
forall b c a. (b -> c) -> (a -> b) -> a -> c
. RenderMode -> GLenum
marshalRenderMode
renderMode :: GettableStateVar RenderMode
renderMode :: GettableStateVar RenderMode
renderMode = GettableStateVar RenderMode -> GettableStateVar RenderMode
forall a. IO a -> IO a
makeGettableStateVar (GettableStateVar RenderMode -> GettableStateVar RenderMode)
-> GettableStateVar RenderMode -> GettableStateVar RenderMode
forall a b. (a -> b) -> a -> b
$ (GLenum -> RenderMode) -> PName1I -> GettableStateVar RenderMode
forall p a. GetPName1I p => (GLenum -> a) -> p -> IO a
getEnum1 GLenum -> RenderMode
unmarshalRenderMode PName1I
GetRenderMode