fixed import

src/Render/Misc.hs

@@ -139,3 +139,7 @@ genColorData ::      Int  -- ^ Amount
                 -> [Int8]
 genColorData n c = take (length c*n) (cycle c)
 
+-- from GLUtil
+-- |Allocate and fill a 'BufferObject' from a list of 'Storable's.
+makeBuffer :: Storable a => BufferTarget -> [a] -> IO BufferObject
+makeBuffer target elems = makeBufferLen target (length elems) elems

src/Render/Render.hs

@@ -7,7 +7,7 @@ import           Foreign.Storable
 import           Graphics.Rendering.OpenGL.GL
 import           Graphics.Rendering.OpenGL.Raw.Core31
 import           Graphics.Rendering.OpenGL.Raw.ARB.TessellationShader
-import           Graphics.GLUtil.BufferObjects        (offset0)
+import           Graphics.GLUtil.BufferObjects        
 import qualified Linear as L
 import           Control.Lens                               ((^.))
 import           Control.Monad.RWS.Strict             (liftIO)