Remove RenderType datatype

src/Shader/Poke.hs

@@ -8,6 +8,7 @@ module Shader.Poke
     , pokePoint33s
     , pokeVerxs
     , pokeLayVerxs
+    , pokeWalls
     ) where
 import Shader.Data
 import Shader.Parameters
@@ -55,7 +56,7 @@ pokeVerxs :: PicShads VBO -> [Verx] -> IO (PicShads Int)
 pokeVerxs vbos vxs0 = go vxs0 (pure 0)
   where
     go [] count = return count
-    go (!vx:vxs) count = pokeVerx vbos count vx >> go vxs (addCountVerx count vx)
+    go (!vx:vxs) !count = pokeVerx vbos count vx >> (go vxs $! addCountVerx count vx)
 
 -- this is very brittle, but want to optimise speed if possible here
 pokeVerx :: PicShads VBO -> PicShads Int -> Verx -> IO ()
@@ -175,7 +176,7 @@ pokeLayVerxs :: PicShads VBO -> [Verx] -> IO (IM.IntMap (PicShads Int))
 pokeLayVerxs vbos vxs0 = go vxs0 (IM.fromList $ (, pure 0) <$> [0..5])
   where
     go [] count = return count
-    go (!vx:vxs) count = pokeLayVerx vbos count vx >> go vxs (addLayCountVerx count vx)
+    go (!vx:vxs) !count = pokeLayVerx vbos count vx >> (go vxs $! addLayCountVerx count vx)
 
 -- this is very brittle, but want to optimise speed if possible here
 pokeLayVerx :: PicShads VBO -> IM.IntMap (PicShads Int) -> Verx -> IO ()
@@ -214,3 +215,21 @@ addLayCountVerx :: IM.IntMap (PicShads Int) -> Verx -> IM.IntMap (PicShads Int)
 addLayCountVerx m vx = IM.adjust f (_vxLayer vx) m
   where
     f = flip addCountVerx vx
+
+pokeWalls :: Ptr Float -> [((Point2,Point2),Point4)] -> IO Int
+pokeWalls ptr vals0 = go vals0 0
+  where
+    go [] n = return n
+    go ((((V2 a b),(V2 c d)),(V4 e f g h)):vals) !n = do
+        pokeElemOff ptr (off 0) a
+        pokeElemOff ptr (off 1) b
+        pokeElemOff ptr (off 2) c
+        pokeElemOff ptr (off 3) d
+        pokeElemOff ptr (off 4) e
+        pokeElemOff ptr (off 5) f
+        pokeElemOff ptr (off 6) g
+        pokeElemOff ptr (off 7) h
+        go vals (n+1)
+      where
+        off i = n*8 + i
+