{-# INCLUDE <GL/glx.h> #-}
{-# LINE 1 "GLX.chs" #-}
{-# LANGUAGE ForeignFunctionInterface, DeriveDataTypeable, GeneralizedNewtypeDeriving #-}
{-# LINE 2 "GLX.chs" #-}

module Bindings.GLX ( createColormap
                    , createWindow
                    , chooseFBConfig
                    , getVisualFromFBConfig
                    , VisualInfo(..)
                    , SetWindowAttributes(..)
                    , nullSetWindowAttributes
                    , getVisualFromFBConfig
                    , renderType
                    , rgbaBit
                    , drawableType
                    , windowBit
                    , xRenderable
                    , doublebuffer
                    , depthSize
                    , stencilSize
                    , true
                    , createContext
                    , makeCurrent
                    , Context(..)
       		    ) where

import Data.Generics
import Data.Int
import Data.Word

import Foreign.C.Types
import Foreign.Ptr
import Foreign.Marshal.Alloc (alloca)
import Foreign.Marshal.Array (peekArray, withArray0)
import Foreign.Storable

import Graphics.X11.Types (AttributeMask, Colormap, ColormapAlloc, Cursor, EventMask, Pixmap, Window, WindowClass, VisualID, XID)
import Graphics.X11.Xlib.Extras (none)
import Graphics.X11.Xlib.Types (Dimension, Display, Pixel, Position)



{-# LINE 41 "GLX.chs" #-}


newtype FBConfig = FBConfig (Ptr FBConfig)
    deriving (Eq, Ord, Show, Typeable, Data, Storable)

newtype Context = Context (Ptr Context)
    deriving (Eq, Ord, Show, Typeable, Data, Storable)

newtype Visual = Visual (Ptr Visual)
     deriving (Eq, Ord, Show, Typeable, Data, Storable)

data VisualInfo = VisualInfo
    { viVisual       :: !Visual
    , viVisualid     :: !VisualID
    , viScreen       :: !CInt
    , viDepth        :: !CInt
    , viClass        :: !CInt
    , viRedMask      :: !CULong
    , viGreenMask    :: !CULong
    , viBlueMask     :: !CULong
    , viColormapSize :: !CInt
    , viBitsPerRgb   :: !CInt
    } deriving (Eq, Ord, Show, Typeable)

instance Storable VisualInfo where
    sizeOf _ = ((40))
{-# LINE 67 "GLX.chs" #-}
    alignment _ = alignment (undefined :: CULong)
    
    peek vi = do
      visual <- ((\hsc_ptr -> peekByteOff hsc_ptr 0)) vi
{-# LINE 71 "GLX.chs" #-}
      visualid <- ((\hsc_ptr -> peekByteOff hsc_ptr 4)) vi
{-# LINE 72 "GLX.chs" #-}
      screen <- ((\hsc_ptr -> peekByteOff hsc_ptr 8)) vi
{-# LINE 73 "GLX.chs" #-}
      depth <- ((\hsc_ptr -> peekByteOff hsc_ptr 12)) vi
{-# LINE 74 "GLX.chs" #-}
      viclass <- ((\hsc_ptr -> peekByteOff hsc_ptr 16)) vi
{-# LINE 75 "GLX.chs" #-}
      red_mask <- ((\hsc_ptr -> peekByteOff hsc_ptr 20)) vi
{-# LINE 76 "GLX.chs" #-}
      green_mask <- ((\hsc_ptr -> peekByteOff hsc_ptr 24)) vi
{-# LINE 77 "GLX.chs" #-}
      blue_mask <- ((\hsc_ptr -> peekByteOff hsc_ptr 28)) vi
{-# LINE 78 "GLX.chs" #-}
      colormap_size <- ((\hsc_ptr -> peekByteOff hsc_ptr 32)) vi
{-# LINE 79 "GLX.chs" #-}
      bits_per_rgb <- ((\hsc_ptr -> peekByteOff hsc_ptr 36)) vi
{-# LINE 80 "GLX.chs" #-}
      
      return (VisualInfo visual visualid screen depth viclass red_mask green_mask blue_mask colormap_size bits_per_rgb)
      
    
    poke vi (VisualInfo visual visualid screen depth viclass red_mask green_mask blue_mask colormap_size bits_per_rgb) = do
                                ((\hsc_ptr -> pokeByteOff hsc_ptr 0)) vi visual
{-# LINE 86 "GLX.chs" #-}
                                ((\hsc_ptr -> pokeByteOff hsc_ptr 4)) vi visualid
{-# LINE 87 "GLX.chs" #-}
                                ((\hsc_ptr -> pokeByteOff hsc_ptr 8)) vi screen
{-# LINE 88 "GLX.chs" #-}
                                ((\hsc_ptr -> pokeByteOff hsc_ptr 12)) vi depth
{-# LINE 89 "GLX.chs" #-}
                                ((\hsc_ptr -> pokeByteOff hsc_ptr 16)) vi viclass
{-# LINE 90 "GLX.chs" #-}
                                ((\hsc_ptr -> pokeByteOff hsc_ptr 20)) vi red_mask
{-# LINE 91 "GLX.chs" #-}
                                ((\hsc_ptr -> pokeByteOff hsc_ptr 24)) vi green_mask
{-# LINE 92 "GLX.chs" #-}
                                ((\hsc_ptr -> pokeByteOff hsc_ptr 28)) vi blue_mask
{-# LINE 93 "GLX.chs" #-}
                                ((\hsc_ptr -> pokeByteOff hsc_ptr 32)) vi colormap_size
{-# LINE 94 "GLX.chs" #-}
                                ((\hsc_ptr -> pokeByteOff hsc_ptr 36)) vi bits_per_rgb
{-# LINE 95 "GLX.chs" #-}


data SetWindowAttributes = SetWindowAttributes
    { swaBackgroundPixmap   :: !Pixmap
    , swaBackgroundPixel    :: !Pixel
    , swaBorderPixmap       :: !Pixmap
    , swaBitGravity         :: !CInt
    , swaWinGravity         :: !CInt
    , swaBackingStore       :: !CInt
    , swaBackingPlanes      :: !CULong
    , swaBackingPixel       :: !CULong
    , swaSaveUnder          :: !Bool
    , swaEventMask          :: !EventMask
    , swaDoNotPropagateMask :: !CULong
    , swaOverrideRedirect   :: !Bool
    , swaColormap           :: !Colormap
    , swaCursor             :: !Cursor
    } deriving (Eq, Ord, Show, Typeable)

instance Storable SetWindowAttributes where
    sizeOf _ = ((60))
{-# LINE 116 "GLX.chs" #-}
    alignment _ = alignment (undefined :: CULong)
    
    peek swa = do
      background_pixmap <- ((\hsc_ptr -> peekByteOff hsc_ptr 0)) swa
{-# LINE 120 "GLX.chs" #-}
      background_pixel <- ((\hsc_ptr -> peekByteOff hsc_ptr 4)) swa
{-# LINE 121 "GLX.chs" #-}
      border_pixmap <- ((\hsc_ptr -> peekByteOff hsc_ptr 8)) swa
{-# LINE 122 "GLX.chs" #-}
      bit_gravity <- ((\hsc_ptr -> peekByteOff hsc_ptr 16)) swa
{-# LINE 123 "GLX.chs" #-}
      win_gravity <- ((\hsc_ptr -> peekByteOff hsc_ptr 20)) swa
{-# LINE 124 "GLX.chs" #-}
      backing_store <- ((\hsc_ptr -> peekByteOff hsc_ptr 24)) swa
{-# LINE 125 "GLX.chs" #-}
      backing_planes <- ((\hsc_ptr -> peekByteOff hsc_ptr 28)) swa
{-# LINE 126 "GLX.chs" #-}
      backing_pixel <- ((\hsc_ptr -> peekByteOff hsc_ptr 32)) swa
{-# LINE 127 "GLX.chs" #-}
      save_under <- ((\hsc_ptr -> peekByteOff hsc_ptr 36)) swa
{-# LINE 128 "GLX.chs" #-}
      event_mask <- ((\hsc_ptr -> peekByteOff hsc_ptr 40)) swa
{-# LINE 129 "GLX.chs" #-}
      do_not_propagate_mask <- ((\hsc_ptr -> peekByteOff hsc_ptr 44)) swa
{-# LINE 130 "GLX.chs" #-}
      override_redirect <- ((\hsc_ptr -> peekByteOff hsc_ptr 48)) swa
{-# LINE 131 "GLX.chs" #-}
      colormap <- ((\hsc_ptr -> peekByteOff hsc_ptr 52)) swa
{-# LINE 132 "GLX.chs" #-}
      cursor <- ((\hsc_ptr -> peekByteOff hsc_ptr 56)) swa
{-# LINE 133 "GLX.chs" #-}
      
      return (SetWindowAttributes
              background_pixmap
              background_pixel
              border_pixmap
              bit_gravity
              win_gravity
              backing_store
              backing_planes
              backing_pixel
              save_under
              event_mask
              do_not_propagate_mask
              override_redirect
              colormap
              cursor)

    poke swa (SetWindowAttributes
              background_pixmap
              background_pixel
              border_pixmap
              bit_gravity
              win_gravity
              backing_store
              backing_planes
              backing_pixel
              save_under
              event_mask
              do_not_propagate_mask
              override_redirect
              colormap
              cursor) = do
      ((\hsc_ptr -> pokeByteOff hsc_ptr 0)) swa background_pixmap
{-# LINE 166 "GLX.chs" #-}
      ((\hsc_ptr -> pokeByteOff hsc_ptr 4)) swa background_pixel
{-# LINE 167 "GLX.chs" #-}
      ((\hsc_ptr -> pokeByteOff hsc_ptr 8)) swa border_pixmap
{-# LINE 168 "GLX.chs" #-}
      ((\hsc_ptr -> pokeByteOff hsc_ptr 16)) swa bit_gravity
{-# LINE 169 "GLX.chs" #-}
      ((\hsc_ptr -> pokeByteOff hsc_ptr 20)) swa win_gravity
{-# LINE 170 "GLX.chs" #-}
      ((\hsc_ptr -> pokeByteOff hsc_ptr 24)) swa backing_store
{-# LINE 171 "GLX.chs" #-}
      ((\hsc_ptr -> pokeByteOff hsc_ptr 28)) swa backing_planes
{-# LINE 172 "GLX.chs" #-}
      ((\hsc_ptr -> pokeByteOff hsc_ptr 32)) swa backing_pixel
{-# LINE 173 "GLX.chs" #-}
      ((\hsc_ptr -> pokeByteOff hsc_ptr 36)) swa save_under
{-# LINE 174 "GLX.chs" #-}
      ((\hsc_ptr -> pokeByteOff hsc_ptr 40)) swa event_mask
{-# LINE 175 "GLX.chs" #-}
      ((\hsc_ptr -> pokeByteOff hsc_ptr 44)) swa do_not_propagate_mask
{-# LINE 176 "GLX.chs" #-}
      ((\hsc_ptr -> pokeByteOff hsc_ptr 48)) swa override_redirect
{-# LINE 177 "GLX.chs" #-}
      ((\hsc_ptr -> pokeByteOff hsc_ptr 52)) swa colormap
{-# LINE 178 "GLX.chs" #-}
      ((\hsc_ptr -> pokeByteOff hsc_ptr 56)) swa cursor
{-# LINE 179 "GLX.chs" #-}

nullSetWindowAttributes :: SetWindowAttributes
nullSetWindowAttributes = (SetWindowAttributes 0 0 0 0 0 0 0 0 False 0 0 False 0 0)
           

foreign import ccall unsafe "GL/glx.h XCreateColormap"
        createColormap :: Display -> Window -> Visual -> ColormapAlloc -> IO Colormap

foreign import ccall unsafe "GL/glx.h XCreateWindow"
        createWindow :: Display -> Window -> Position -> Position ->
                        Dimension -> Dimension -> CInt -> CInt -> WindowClass ->
                        Visual -> AttributeMask -> Ptr SetWindowAttributes -> IO Window



foreign import ccall unsafe "GL/glx.h glXChooseFBConfig"
        glXChooseFBConfig :: Display -> CInt -> Ptr CInt -> Ptr CInt -> IO (Ptr FBConfig)

chooseFBConfig :: Display -> CInt -> [(CInt, CInt)] -> IO [FBConfig]
chooseFBConfig disp sc attr = alloca $ \n -> withArray0 (fromIntegral none) (concatMap (\(a,b) -> [a,b]) attr) $ \attrp -> do
                                configs <- glXChooseFBConfig disp sc attrp n
                                nelements <- peek n
                                peekArray (fromIntegral nelements) configs

renderType :: CInt
renderType = (32785)
{-# LINE 205 "GLX.chs" #-}

rgbaBit :: CInt
rgbaBit = (1)
{-# LINE 208 "GLX.chs" #-}

drawableType :: CInt
drawableType = (32784)
{-# LINE 211 "GLX.chs" #-}

windowBit :: CInt
windowBit = (1)
{-# LINE 214 "GLX.chs" #-}

xRenderable :: CInt
xRenderable = (32786)
{-# LINE 217 "GLX.chs" #-}

doublebuffer :: CInt
doublebuffer = (5)
{-# LINE 220 "GLX.chs" #-}

depthSize :: CInt
depthSize = (12)
{-# LINE 223 "GLX.chs" #-}

stencilSize :: CInt
stencilSize = (13)
{-# LINE 226 "GLX.chs" #-}

true :: CInt
true = (1)
{-# LINE 229 "GLX.chs" #-}

foreign import ccall unsafe "GL/glx.h glXGetVisualFromFBConfig"
        glXGetVisualFromFBConfig :: Display -> FBConfig -> IO (Ptr VisualInfo)

getVisualFromFBConfig :: Display -> FBConfig -> IO (VisualInfo)
getVisualFromFBConfig disp config = do
  vi <- glXGetVisualFromFBConfig disp config
  peek vi

foreign import ccall unsafe "GL/glx.h glXCreateContext"
        createContext :: Display -> Ptr VisualInfo -> Context -> Bool -> IO Context

foreign import ccall unsafe "GL/glx.h glXMakeCurrent"
        makeCurrent :: Display -> XID -> Context -> IO Bool