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Free foreign pointers

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This commit is contained in:
Matthias Schiffer 2010-02-22 18:42:09 +01:00
parent 465bf68345
commit 8f693405d6
3 changed files with 80 additions and 79 deletions
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19
Bindings/GLX.chs
View file

@ -7,7 +7,6 @@ module Bindings.GLX ( createColormap
, VisualInfo(..) , VisualInfo(..)
, SetWindowAttributes(..) , SetWindowAttributes(..)
, nullSetWindowAttributes , nullSetWindowAttributes
, getVisualFromFBConfig
, renderType , renderType
, rgbaBit , rgbaBit
, drawableType , drawableType
@ -16,7 +15,6 @@ module Bindings.GLX ( createColormap
, doublebuffer , doublebuffer
, depthSize , depthSize
, stencilSize , stencilSize
, true
, createContext , createContext
, makeCurrent , makeCurrent
, Context(..) , Context(..)
@ -27,13 +25,14 @@ import Data.Int
import Data.Word import Data.Word
import Foreign.C.Types import Foreign.C.Types
import Foreign.ForeignPtr
import Foreign.Ptr import Foreign.Ptr
import Foreign.Marshal.Alloc (alloca) import Foreign.Marshal.Alloc (alloca)
import Foreign.Marshal.Array (peekArray, withArray0) import Foreign.Marshal.Array (peekArray, withArray0)
import Foreign.Storable import Foreign.Storable
import Graphics.X11.Types (AttributeMask, Colormap, ColormapAlloc, Cursor, EventMask, Pixmap, Window, WindowClass, VisualID, XID) import Graphics.X11.Types (AttributeMask, Colormap, ColormapAlloc, Cursor, EventMask, Pixmap, Window, WindowClass, VisualID, XID)
import Graphics.X11.Xlib.Extras (none) import Graphics.X11.Xlib.Extras (none, xFree)
import Graphics.X11.Xlib.Types (Dimension, Display, Pixel, Position) import Graphics.X11.Xlib.Types (Dimension, Display, Pixel, Position)
@ -198,7 +197,10 @@ chooseFBConfig :: Display -> CInt -> [(CInt, CInt)] -> IO [FBConfig]
chooseFBConfig disp sc attr = alloca $ \n -> withArray0 (fromIntegral none) (concatMap (\(a,b) -> [a,b]) attr) $ \attrp -> do chooseFBConfig disp sc attr = alloca $ \n -> withArray0 (fromIntegral none) (concatMap (\(a,b) -> [a,b]) attr) $ \attrp -> do
configs <- glXChooseFBConfig disp sc attrp n configs <- glXChooseFBConfig disp sc attrp n
nelements <- peek n nelements <- peek n
peekArray (fromIntegral nelements) configs configlist <- peekArray (fromIntegral nelements) configs
xFree configs
return configlist
renderType :: CInt renderType :: CInt
renderType = (#const GLX_RENDER_TYPE) renderType = (#const GLX_RENDER_TYPE)
@ -224,16 +226,15 @@ depthSize = (#const GLX_DEPTH_SIZE)
stencilSize :: CInt stencilSize :: CInt
stencilSize = (#const GLX_STENCIL_SIZE) stencilSize = (#const GLX_STENCIL_SIZE)
true :: CInt
true = (#const True)
foreign import ccall unsafe "GL/glx.h glXGetVisualFromFBConfig" foreign import ccall unsafe "GL/glx.h glXGetVisualFromFBConfig"
glXGetVisualFromFBConfig :: Display -> FBConfig -> IO (Ptr VisualInfo) glXGetVisualFromFBConfig :: Display -> FBConfig -> IO (Ptr VisualInfo)
getVisualFromFBConfig :: Display -> FBConfig -> IO (VisualInfo) getVisualFromFBConfig :: Display -> FBConfig -> IO (VisualInfo)
getVisualFromFBConfig disp config = do getVisualFromFBConfig disp config = do
vi <- glXGetVisualFromFBConfig disp config viptr <- glXGetVisualFromFBConfig disp config
peek vi vi <- peek viptr
xFree viptr
return vi
foreign import ccall unsafe "GL/glx.h glXCreateContext" foreign import ccall unsafe "GL/glx.h glXCreateContext"
createContext :: Display -> Ptr VisualInfo -> Context -> Bool -> IO Context createContext :: Display -> Ptr VisualInfo -> Context -> Bool -> IO Context

138
Bindings/GLX.hs
View file

@ -10,7 +10,6 @@ module Bindings.GLX ( createColormap
, VisualInfo(..) , VisualInfo(..)
, SetWindowAttributes(..) , SetWindowAttributes(..)
, nullSetWindowAttributes , nullSetWindowAttributes
, getVisualFromFBConfig
, renderType , renderType
, rgbaBit , rgbaBit
, drawableType , drawableType
@ -19,7 +18,6 @@ module Bindings.GLX ( createColormap
, doublebuffer , doublebuffer
, depthSize , depthSize
, stencilSize , stencilSize
, true
, createContext , createContext
, makeCurrent , makeCurrent
, Context(..) , Context(..)
@ -30,18 +28,19 @@ import Data.Int
import Data.Word import Data.Word
import Foreign.C.Types import Foreign.C.Types
import Foreign.ForeignPtr
import Foreign.Ptr import Foreign.Ptr
import Foreign.Marshal.Alloc (alloca) import Foreign.Marshal.Alloc (alloca)
import Foreign.Marshal.Array (peekArray, withArray0) import Foreign.Marshal.Array (peekArray, withArray0)
import Foreign.Storable import Foreign.Storable
import Graphics.X11.Types (AttributeMask, Colormap, ColormapAlloc, Cursor, EventMask, Pixmap, Window, WindowClass, VisualID, XID) import Graphics.X11.Types (AttributeMask, Colormap, ColormapAlloc, Cursor, EventMask, Pixmap, Window, WindowClass, VisualID, XID)
import Graphics.X11.Xlib.Extras (none) import Graphics.X11.Xlib.Extras (none, xFree)
import Graphics.X11.Xlib.Types (Dimension, Display, Pixel, Position) import Graphics.X11.Xlib.Types (Dimension, Display, Pixel, Position)
{-# LINE 41 "GLX.chs" #-} {-# LINE 40 "GLX.chs" #-}
newtype FBConfig = FBConfig (Ptr FBConfig) newtype FBConfig = FBConfig (Ptr FBConfig)
@ -68,55 +67,55 @@ data VisualInfo = VisualInfo
instance Storable VisualInfo where instance Storable VisualInfo where
sizeOf _ = ((40)) sizeOf _ = ((40))
{-# LINE 67 "GLX.chs" #-} {-# LINE 66 "GLX.chs" #-}
alignment _ = alignment (undefined :: CULong) alignment _ = alignment (undefined :: CULong)
peek vi = do peek vi = do
visual <- ((\hsc_ptr -> peekByteOff hsc_ptr 0)) vi visual <- ((\hsc_ptr -> peekByteOff hsc_ptr 0)) vi
{-# LINE 71 "GLX.chs" #-} {-# LINE 70 "GLX.chs" #-}
visualid <- ((\hsc_ptr -> peekByteOff hsc_ptr 4)) vi visualid <- ((\hsc_ptr -> peekByteOff hsc_ptr 4)) vi
{-# LINE 72 "GLX.chs" #-} {-# LINE 71 "GLX.chs" #-}
screen <- ((\hsc_ptr -> peekByteOff hsc_ptr 8)) vi screen <- ((\hsc_ptr -> peekByteOff hsc_ptr 8)) vi
{-# LINE 73 "GLX.chs" #-} {-# LINE 72 "GLX.chs" #-}
depth <- ((\hsc_ptr -> peekByteOff hsc_ptr 12)) vi depth <- ((\hsc_ptr -> peekByteOff hsc_ptr 12)) vi
{-# LINE 74 "GLX.chs" #-} {-# LINE 73 "GLX.chs" #-}
viclass <- ((\hsc_ptr -> peekByteOff hsc_ptr 16)) vi viclass <- ((\hsc_ptr -> peekByteOff hsc_ptr 16)) vi
{-# LINE 75 "GLX.chs" #-} {-# LINE 74 "GLX.chs" #-}
red_mask <- ((\hsc_ptr -> peekByteOff hsc_ptr 20)) vi red_mask <- ((\hsc_ptr -> peekByteOff hsc_ptr 20)) vi
{-# LINE 76 "GLX.chs" #-} {-# LINE 75 "GLX.chs" #-}
green_mask <- ((\hsc_ptr -> peekByteOff hsc_ptr 24)) vi green_mask <- ((\hsc_ptr -> peekByteOff hsc_ptr 24)) vi
{-# LINE 77 "GLX.chs" #-} {-# LINE 76 "GLX.chs" #-}
blue_mask <- ((\hsc_ptr -> peekByteOff hsc_ptr 28)) vi blue_mask <- ((\hsc_ptr -> peekByteOff hsc_ptr 28)) vi
{-# LINE 78 "GLX.chs" #-} {-# LINE 77 "GLX.chs" #-}
colormap_size <- ((\hsc_ptr -> peekByteOff hsc_ptr 32)) vi colormap_size <- ((\hsc_ptr -> peekByteOff hsc_ptr 32)) vi
{-# LINE 79 "GLX.chs" #-} {-# LINE 78 "GLX.chs" #-}
bits_per_rgb <- ((\hsc_ptr -> peekByteOff hsc_ptr 36)) vi bits_per_rgb <- ((\hsc_ptr -> peekByteOff hsc_ptr 36)) vi
{-# LINE 80 "GLX.chs" #-} {-# LINE 79 "GLX.chs" #-}
return (VisualInfo visual visualid screen depth viclass red_mask green_mask blue_mask colormap_size bits_per_rgb) 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 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 ((\hsc_ptr -> pokeByteOff hsc_ptr 0)) vi visual
{-# LINE 86 "GLX.chs" #-} {-# LINE 85 "GLX.chs" #-}
((\hsc_ptr -> pokeByteOff hsc_ptr 4)) vi visualid ((\hsc_ptr -> pokeByteOff hsc_ptr 4)) vi visualid
{-# LINE 87 "GLX.chs" #-} {-# LINE 86 "GLX.chs" #-}
((\hsc_ptr -> pokeByteOff hsc_ptr 8)) vi screen ((\hsc_ptr -> pokeByteOff hsc_ptr 8)) vi screen
{-# LINE 88 "GLX.chs" #-} {-# LINE 87 "GLX.chs" #-}
((\hsc_ptr -> pokeByteOff hsc_ptr 12)) vi depth ((\hsc_ptr -> pokeByteOff hsc_ptr 12)) vi depth
{-# LINE 89 "GLX.chs" #-} {-# LINE 88 "GLX.chs" #-}
((\hsc_ptr -> pokeByteOff hsc_ptr 16)) vi viclass ((\hsc_ptr -> pokeByteOff hsc_ptr 16)) vi viclass
{-# LINE 90 "GLX.chs" #-} {-# LINE 89 "GLX.chs" #-}
((\hsc_ptr -> pokeByteOff hsc_ptr 20)) vi red_mask ((\hsc_ptr -> pokeByteOff hsc_ptr 20)) vi red_mask
{-# LINE 91 "GLX.chs" #-} {-# LINE 90 "GLX.chs" #-}
((\hsc_ptr -> pokeByteOff hsc_ptr 24)) vi green_mask ((\hsc_ptr -> pokeByteOff hsc_ptr 24)) vi green_mask
{-# LINE 92 "GLX.chs" #-} {-# LINE 91 "GLX.chs" #-}
((\hsc_ptr -> pokeByteOff hsc_ptr 28)) vi blue_mask ((\hsc_ptr -> pokeByteOff hsc_ptr 28)) vi blue_mask
{-# LINE 93 "GLX.chs" #-} {-# LINE 92 "GLX.chs" #-}
((\hsc_ptr -> pokeByteOff hsc_ptr 32)) vi colormap_size ((\hsc_ptr -> pokeByteOff hsc_ptr 32)) vi colormap_size
{-# LINE 94 "GLX.chs" #-} {-# LINE 93 "GLX.chs" #-}
((\hsc_ptr -> pokeByteOff hsc_ptr 36)) vi bits_per_rgb ((\hsc_ptr -> pokeByteOff hsc_ptr 36)) vi bits_per_rgb
{-# LINE 95 "GLX.chs" #-} {-# LINE 94 "GLX.chs" #-}
data SetWindowAttributes = SetWindowAttributes data SetWindowAttributes = SetWindowAttributes
@ -138,38 +137,38 @@ data SetWindowAttributes = SetWindowAttributes
instance Storable SetWindowAttributes where instance Storable SetWindowAttributes where
sizeOf _ = ((60)) sizeOf _ = ((60))
{-# LINE 116 "GLX.chs" #-} {-# LINE 115 "GLX.chs" #-}
alignment _ = alignment (undefined :: CULong) alignment _ = alignment (undefined :: CULong)
peek swa = do peek swa = do
background_pixmap <- ((\hsc_ptr -> peekByteOff hsc_ptr 0)) swa background_pixmap <- ((\hsc_ptr -> peekByteOff hsc_ptr 0)) swa
{-# LINE 120 "GLX.chs" #-} {-# LINE 119 "GLX.chs" #-}
background_pixel <- ((\hsc_ptr -> peekByteOff hsc_ptr 4)) swa background_pixel <- ((\hsc_ptr -> peekByteOff hsc_ptr 4)) swa
{-# LINE 121 "GLX.chs" #-} {-# LINE 120 "GLX.chs" #-}
border_pixmap <- ((\hsc_ptr -> peekByteOff hsc_ptr 8)) swa border_pixmap <- ((\hsc_ptr -> peekByteOff hsc_ptr 8)) swa
{-# LINE 122 "GLX.chs" #-} {-# LINE 121 "GLX.chs" #-}
bit_gravity <- ((\hsc_ptr -> peekByteOff hsc_ptr 16)) swa bit_gravity <- ((\hsc_ptr -> peekByteOff hsc_ptr 16)) swa
{-# LINE 123 "GLX.chs" #-} {-# LINE 122 "GLX.chs" #-}
win_gravity <- ((\hsc_ptr -> peekByteOff hsc_ptr 20)) swa win_gravity <- ((\hsc_ptr -> peekByteOff hsc_ptr 20)) swa
{-# LINE 124 "GLX.chs" #-} {-# LINE 123 "GLX.chs" #-}
backing_store <- ((\hsc_ptr -> peekByteOff hsc_ptr 24)) swa backing_store <- ((\hsc_ptr -> peekByteOff hsc_ptr 24)) swa
{-# LINE 125 "GLX.chs" #-} {-# LINE 124 "GLX.chs" #-}
backing_planes <- ((\hsc_ptr -> peekByteOff hsc_ptr 28)) swa backing_planes <- ((\hsc_ptr -> peekByteOff hsc_ptr 28)) swa
{-# LINE 126 "GLX.chs" #-} {-# LINE 125 "GLX.chs" #-}
backing_pixel <- ((\hsc_ptr -> peekByteOff hsc_ptr 32)) swa backing_pixel <- ((\hsc_ptr -> peekByteOff hsc_ptr 32)) swa
{-# LINE 127 "GLX.chs" #-} {-# LINE 126 "GLX.chs" #-}
save_under <- ((\hsc_ptr -> peekByteOff hsc_ptr 36)) swa save_under <- ((\hsc_ptr -> peekByteOff hsc_ptr 36)) swa
{-# LINE 128 "GLX.chs" #-} {-# LINE 127 "GLX.chs" #-}
event_mask <- ((\hsc_ptr -> peekByteOff hsc_ptr 40)) swa event_mask <- ((\hsc_ptr -> peekByteOff hsc_ptr 40)) swa
{-# LINE 129 "GLX.chs" #-} {-# LINE 128 "GLX.chs" #-}
do_not_propagate_mask <- ((\hsc_ptr -> peekByteOff hsc_ptr 44)) swa do_not_propagate_mask <- ((\hsc_ptr -> peekByteOff hsc_ptr 44)) swa
{-# LINE 130 "GLX.chs" #-} {-# LINE 129 "GLX.chs" #-}
override_redirect <- ((\hsc_ptr -> peekByteOff hsc_ptr 48)) swa override_redirect <- ((\hsc_ptr -> peekByteOff hsc_ptr 48)) swa
{-# LINE 131 "GLX.chs" #-} {-# LINE 130 "GLX.chs" #-}
colormap <- ((\hsc_ptr -> peekByteOff hsc_ptr 52)) swa colormap <- ((\hsc_ptr -> peekByteOff hsc_ptr 52)) swa
{-# LINE 132 "GLX.chs" #-} {-# LINE 131 "GLX.chs" #-}
cursor <- ((\hsc_ptr -> peekByteOff hsc_ptr 56)) swa cursor <- ((\hsc_ptr -> peekByteOff hsc_ptr 56)) swa
{-# LINE 133 "GLX.chs" #-} {-# LINE 132 "GLX.chs" #-}
return (SetWindowAttributes return (SetWindowAttributes
background_pixmap background_pixmap
@ -203,33 +202,33 @@ instance Storable SetWindowAttributes where
colormap colormap
cursor) = do cursor) = do
((\hsc_ptr -> pokeByteOff hsc_ptr 0)) swa background_pixmap ((\hsc_ptr -> pokeByteOff hsc_ptr 0)) swa background_pixmap
{-# LINE 166 "GLX.chs" #-} {-# LINE 165 "GLX.chs" #-}
((\hsc_ptr -> pokeByteOff hsc_ptr 4)) swa background_pixel ((\hsc_ptr -> pokeByteOff hsc_ptr 4)) swa background_pixel
{-# LINE 167 "GLX.chs" #-} {-# LINE 166 "GLX.chs" #-}
((\hsc_ptr -> pokeByteOff hsc_ptr 8)) swa border_pixmap ((\hsc_ptr -> pokeByteOff hsc_ptr 8)) swa border_pixmap
{-# LINE 168 "GLX.chs" #-} {-# LINE 167 "GLX.chs" #-}
((\hsc_ptr -> pokeByteOff hsc_ptr 16)) swa bit_gravity ((\hsc_ptr -> pokeByteOff hsc_ptr 16)) swa bit_gravity
{-# LINE 169 "GLX.chs" #-} {-# LINE 168 "GLX.chs" #-}
((\hsc_ptr -> pokeByteOff hsc_ptr 20)) swa win_gravity ((\hsc_ptr -> pokeByteOff hsc_ptr 20)) swa win_gravity
{-# LINE 170 "GLX.chs" #-} {-# LINE 169 "GLX.chs" #-}
((\hsc_ptr -> pokeByteOff hsc_ptr 24)) swa backing_store ((\hsc_ptr -> pokeByteOff hsc_ptr 24)) swa backing_store
{-# LINE 171 "GLX.chs" #-} {-# LINE 170 "GLX.chs" #-}
((\hsc_ptr -> pokeByteOff hsc_ptr 28)) swa backing_planes ((\hsc_ptr -> pokeByteOff hsc_ptr 28)) swa backing_planes
{-# LINE 172 "GLX.chs" #-} {-# LINE 171 "GLX.chs" #-}
((\hsc_ptr -> pokeByteOff hsc_ptr 32)) swa backing_pixel ((\hsc_ptr -> pokeByteOff hsc_ptr 32)) swa backing_pixel
{-# LINE 173 "GLX.chs" #-} {-# LINE 172 "GLX.chs" #-}
((\hsc_ptr -> pokeByteOff hsc_ptr 36)) swa save_under ((\hsc_ptr -> pokeByteOff hsc_ptr 36)) swa save_under
{-# LINE 174 "GLX.chs" #-} {-# LINE 173 "GLX.chs" #-}
((\hsc_ptr -> pokeByteOff hsc_ptr 40)) swa event_mask ((\hsc_ptr -> pokeByteOff hsc_ptr 40)) swa event_mask
{-# LINE 175 "GLX.chs" #-} {-# LINE 174 "GLX.chs" #-}
((\hsc_ptr -> pokeByteOff hsc_ptr 44)) swa do_not_propagate_mask ((\hsc_ptr -> pokeByteOff hsc_ptr 44)) swa do_not_propagate_mask
{-# LINE 176 "GLX.chs" #-} {-# LINE 175 "GLX.chs" #-}
((\hsc_ptr -> pokeByteOff hsc_ptr 48)) swa override_redirect ((\hsc_ptr -> pokeByteOff hsc_ptr 48)) swa override_redirect
{-# LINE 177 "GLX.chs" #-} {-# LINE 176 "GLX.chs" #-}
((\hsc_ptr -> pokeByteOff hsc_ptr 52)) swa colormap ((\hsc_ptr -> pokeByteOff hsc_ptr 52)) swa colormap
{-# LINE 178 "GLX.chs" #-} {-# LINE 177 "GLX.chs" #-}
((\hsc_ptr -> pokeByteOff hsc_ptr 56)) swa cursor ((\hsc_ptr -> pokeByteOff hsc_ptr 56)) swa cursor
{-# LINE 179 "GLX.chs" #-} {-# LINE 178 "GLX.chs" #-}
nullSetWindowAttributes :: SetWindowAttributes nullSetWindowAttributes :: SetWindowAttributes
nullSetWindowAttributes = (SetWindowAttributes 0 0 0 0 0 0 0 0 False 0 0 False 0 0) nullSetWindowAttributes = (SetWindowAttributes 0 0 0 0 0 0 0 0 False 0 0 False 0 0)
@ -252,51 +251,52 @@ chooseFBConfig :: Display -> CInt -> [(CInt, CInt)] -> IO [FBConfig]
chooseFBConfig disp sc attr = alloca $ \n -> withArray0 (fromIntegral none) (concatMap (\(a,b) -> [a,b]) attr) $ \attrp -> do chooseFBConfig disp sc attr = alloca $ \n -> withArray0 (fromIntegral none) (concatMap (\(a,b) -> [a,b]) attr) $ \attrp -> do
configs <- glXChooseFBConfig disp sc attrp n configs <- glXChooseFBConfig disp sc attrp n
nelements <- peek n nelements <- peek n
peekArray (fromIntegral nelements) configs configlist <- peekArray (fromIntegral nelements) configs
xFree configs
return configlist
renderType :: CInt renderType :: CInt
renderType = (32785) renderType = (32785)
{-# LINE 205 "GLX.chs" #-} {-# LINE 207 "GLX.chs" #-}
rgbaBit :: CInt rgbaBit :: CInt
rgbaBit = (1) rgbaBit = (1)
{-# LINE 208 "GLX.chs" #-} {-# LINE 210 "GLX.chs" #-}
drawableType :: CInt drawableType :: CInt
drawableType = (32784) drawableType = (32784)
{-# LINE 211 "GLX.chs" #-} {-# LINE 213 "GLX.chs" #-}
windowBit :: CInt windowBit :: CInt
windowBit = (1) windowBit = (1)
{-# LINE 214 "GLX.chs" #-} {-# LINE 216 "GLX.chs" #-}
xRenderable :: CInt xRenderable :: CInt
xRenderable = (32786) xRenderable = (32786)
{-# LINE 217 "GLX.chs" #-} {-# LINE 219 "GLX.chs" #-}
doublebuffer :: CInt doublebuffer :: CInt
doublebuffer = (5) doublebuffer = (5)
{-# LINE 220 "GLX.chs" #-} {-# LINE 222 "GLX.chs" #-}
depthSize :: CInt depthSize :: CInt
depthSize = (12) depthSize = (12)
{-# LINE 223 "GLX.chs" #-} {-# LINE 225 "GLX.chs" #-}
stencilSize :: CInt stencilSize :: CInt
stencilSize = (13) stencilSize = (13)
{-# LINE 226 "GLX.chs" #-} {-# LINE 228 "GLX.chs" #-}
true :: CInt
true = (1)
{-# LINE 229 "GLX.chs" #-}
foreign import ccall unsafe "GL/glx.h glXGetVisualFromFBConfig" foreign import ccall unsafe "GL/glx.h glXGetVisualFromFBConfig"
glXGetVisualFromFBConfig :: Display -> FBConfig -> IO (Ptr VisualInfo) glXGetVisualFromFBConfig :: Display -> FBConfig -> IO (Ptr VisualInfo)
getVisualFromFBConfig :: Display -> FBConfig -> IO (VisualInfo) getVisualFromFBConfig :: Display -> FBConfig -> IO (VisualInfo)
getVisualFromFBConfig disp config = do getVisualFromFBConfig disp config = do
vi <- glXGetVisualFromFBConfig disp config viptr <- glXGetVisualFromFBConfig disp config
peek vi vi <- peek viptr
xFree viptr
return vi
foreign import ccall unsafe "GL/glx.h glXCreateContext" foreign import ccall unsafe "GL/glx.h glXCreateContext"
createContext :: Display -> Ptr VisualInfo -> Context -> Bool -> IO Context createContext :: Display -> Ptr VisualInfo -> Context -> Bool -> IO Context

2
GLX.hs
View file

@ -36,7 +36,7 @@ instance Driver GLX where
fbconfigs <- chooseFBConfig disp (fromIntegral . defaultScreen $ disp) fbconfigs <- chooseFBConfig disp (fromIntegral . defaultScreen $ disp)
[(renderType, rgbaBit) [(renderType, rgbaBit)
, (drawableType, windowBit) , (drawableType, windowBit)
, (xRenderable, true) , (xRenderable, 1)
, (depthSize, 1) , (depthSize, 1)
, (stencilSize, 1) , (stencilSize, 1)
] ]