1 files changed, 65 insertions, 59 deletions

diff --git a/Graphics/Glyph/ExtendedGL/Base.hs b/Graphics/Glyph/ExtendedGL/Base.hs
index 88566f4..9b50ddb 100644
--- a/Graphics/Glyph/ExtendedGL/Base.hs
+++ b/Graphics/Glyph/ExtendedGL/Base.hs
@@ -1,111 +1,117 @@
-{-# LANGUAGE ScopedTypeVariables #-}
-{-# LANGUAGE UndecidableInstances #-}
 {-# LANGUAGE FlexibleContexts #-}
 {-# LANGUAGE MultiParamTypeClasses #-}
-module Graphics.Glyph.ExtendedGL.Base where
+{-# LANGUAGE ScopedTypeVariables #-}
+{-# LANGUAGE UndecidableInstances #-}
 
-import qualified Graphics.Rendering.OpenGL as GL
-import Graphics.GL.Core43
-import Graphics.GL.Compatibility30
+module Graphics.Glyph.ExtendedGL.Base where
 
+import Control.Monad
+import Data.Proxy
+import Data.StateVar
+import Foreign.C.Types
 import Foreign.Marshal.Alloc
 import Foreign.Ptr
 import Foreign.Storable
-import Foreign.C.Types
-
+import Graphics.GL.Compatibility30
+import Graphics.GL.Core43
+import qualified Graphics.Rendering.OpenGL as GL
 import System.IO.Unsafe
-import Control.Monad
-
-import Data.StateVar
 import Unsafe.Coerce
-import Data.Proxy
 
-data ExPrimitiveMode = Points | Triangles | Lines | Patches deriving (Show,Enum)
+data ExPrimitiveMode = Points | Triangles | Lines | Patches deriving (Show, Enum)
 
 class IsBindable a where
-    bind :: a -> IO ()
+  bind :: a -> IO ()
+
 class IsGLEnumMarshallable a where
-    toGLEnum :: a -> GLenum
+  toGLEnum :: a -> GLenum
+
 class IsGenerable a where
-    generate :: IO a
+  generate :: IO a
+
 class IsWrappedPrimitive t a where
-    unwrap :: a -> t
-    wrap :: t -> a
+  unwrap :: a -> t
+  wrap :: t -> a
+
 class HasIntegerParam t a where
-    parami :: t -> a -> SettableStateVar GLuint
+  parami :: t -> a -> SettableStateVar GLuint
+
 class HasFloatParam t a where
-    paramf :: t -> a -> SettableStateVar GLfloat
+  paramf :: t -> a -> SettableStateVar GLfloat
+
 class HasParamOfType b t a where
-    param :: t -> a -> SettableStateVar b
+  param :: t -> a -> SettableStateVar b
 
 class IsPrimitiveModeMarshallable a where
-    marshalPrimitiveMode :: a -> GLuint
+  marshalPrimitiveMode :: a -> GLuint
 
 castPrimitive :: forall a b t. (IsWrappedPrimitive t a, IsWrappedPrimitive t b) => Proxy t -> a -> b
 castPrimitive _ x = wrap unw
-    where
-        unw :: t
-        unw = unwrap x
+  where
+    unw :: t
+    unw = unwrap x
 
 instance (IsWrappedPrimitive a a) where
-    unwrap = id
-    wrap = id
+  unwrap = id
+  wrap = id
+
 instance (IsWrappedPrimitive GLenum a) => IsGLEnumMarshallable a where
-    toGLEnum = unwrap
+  toGLEnum = unwrap
 
 instance IsPrimitiveModeMarshallable ExPrimitiveMode where
-    marshalPrimitiveMode x = case x of
-        Points    -> GL_POINTS
-        Triangles -> GL_TRIANGLES
-        Lines     -> GL_LINES
-        Patches   -> GL_PATCHES
+  marshalPrimitiveMode x = case x of
+    Points -> GL_POINTS
+    Triangles -> GL_TRIANGLES
+    Lines -> GL_LINES
+    Patches -> GL_PATCHES
 
 instance IsPrimitiveModeMarshallable GL.PrimitiveMode where
-    marshalPrimitiveMode x = case x of
-        GL.Points -> 0x0
-        GL.Lines -> 0x1
-        GL.LineLoop -> 0x2
-        GL.LineStrip -> 0x3
-        GL.Triangles -> 0x4
-        GL.TriangleStrip -> 0x5
-        GL.TriangleFan -> 0x6
-        GL.Quads -> 0x7
-        GL.QuadStrip -> 0x8
-        GL.Polygon -> 0x9
+  marshalPrimitiveMode x = case x of
+    GL.Points -> 0x0
+    GL.Lines -> 0x1
+    GL.LineLoop -> 0x2
+    GL.LineStrip -> 0x3
+    GL.Triangles -> 0x4
+    GL.TriangleStrip -> 0x5
+    GL.TriangleFan -> 0x6
+    GL.Quads -> 0x7
+    GL.QuadStrip -> 0x8
+    GL.Polygon -> 0x9
 
 instance IsPrimitiveModeMarshallable GLuint where
-    marshalPrimitiveMode = id
+  marshalPrimitiveMode = id
 
 vertexAttributeDivisor :: GL.AttribLocation -> SettableStateVar GLuint
 vertexAttributeDivisor (GL.AttribLocation loc) =
-    makeSettableStateVar $ \val ->
-        glVertexAttribDivisor loc val
+  makeSettableStateVar $ \val ->
+    glVertexAttribDivisor loc val
 
 {- Sets the number of vertices per patch
  - for OpenGL -}
 patchVertices :: (Integral a) => SettableStateVar a
-patchVertices = 
-    makeSettableStateVar $ \val ->
-        glPatchParameteri GL_PATCH_VERTICES $ fromIntegral val
+patchVertices =
+  makeSettableStateVar $ \val ->
+    glPatchParameteri GL_PATCH_VERTICES $ fromIntegral val
 
 {- Returns the maximum number of patches
  - for a tessilation shader -}
 maxPatchVertices :: IO CInt
 maxPatchVertices =
-        alloca $ \ptr -> do
-            glGetIntegerv GL_MAX_PATCH_VERTICES ptr
-            fromIntegral <$> peek ptr
+  alloca $ \ptr -> do
+    glGetIntegerv GL_MAX_PATCH_VERTICES ptr
+    fromIntegral <$> peek ptr
 
 getGLVersion :: IO String
 getGLVersion =
-    let lift2 (a,b) = do
-            x <- a ; y <- b ; return (x,y)
-             in
-    alloca $ \ptr1 -> alloca $ \ptr2 -> do
+  let lift2 (a, b) = do
+        x <- a
+        y <- b
+        return (x, y)
+   in alloca $ \ptr1 -> alloca $ \ptr2 -> do
         glGetIntegerv GL_MAJOR_VERSION ptr1
         glGetIntegerv GL_MINOR_VERSION ptr2
-        (v1,v2) <- lift2 (peek ptr1, peek ptr2)
+        (v1, v2) <- lift2 (peek ptr1, peek ptr2)
         return ("OpenGL " ++ show v1 ++ "." ++ show v2)
 
 coerced :: a
-coerced = unsafeCoerce (0::Int)
+coerced = unsafeCoerce (0 :: Int)