From c84bafb2677b0eef6a3c2f719f318f725c679d45 Mon Sep 17 00:00:00 2001
From: jgk <justin.g.kruger@gmail.com>
Date: Thu, 12 Aug 2021 05:10:06 +0200
Subject: [PATCH] Continue adding mutability

---
 src/Render.hs      | 17 +++++++++--------
 src/Shader.hs      | 14 +-------------
 src/Shader/Poke.hs | 13 -------------
 3 files changed, 10 insertions(+), 34 deletions(-)

diff --git a/src/Render.hs b/src/Render.hs
index 3b3f30d0a..af6fa2c98 100644
--- a/src/Render.hs
+++ b/src/Render.hs
@@ -26,6 +26,7 @@ import qualified Data.IntMap.Strict as IM
 import qualified SDL
 import qualified Data.Vector.Unboxed.Mutable as UMV
 import qualified Data.Vector.Mutable as MV
+import Control.Monad.Primitive
 
 divideSize :: Int -> Size -> Size
 divideSize i (Size x y) = Size (div x $ fromIntegral i) (div y $ fromIntegral i)
@@ -146,15 +147,15 @@ drawTextureOnFramebuffer fs fbo to = do
 
 pokeBindFoldable
     :: PicShads VShader
+    -> UMV.MVector (PrimState IO) Int
     -> [Verx]
-    -> IO (PicShads Int)
-pokeBindFoldable shads m = do
-    counts <- UMV.replicate 6 0
+    -> IO ()
+pokeBindFoldable shads counts m = do
     shadV <- picShadToMV shads
     pokeVerxs shadV counts m
     bindShader shadV counts
-    elist <- vToPicShad counts
-    return elist
+    --elist <- vToPicShad counts
+    --return elist
 
 zeroCounts :: PicShads Int
 zeroCounts = PicShads 0 0 0 0 0 0
@@ -178,10 +179,10 @@ renderFoldable
 renderFoldable pdata struct = do
     pokeStartTicks <- SDL.ticks
     let shads = _pictureShaders pdata
-    count <- pokeBindFoldable shads struct
+    counts <- UMV.replicate 6 0
+    pokeBindFoldable shads counts struct
     s <- picShadToMV shads
-    c <- picShadToUMV count
-    MV.imapM_ (drawShaderLay' 0 c) s
+    MV.imapM_ (drawShaderLay' 0 counts) s
     --sequence_ (drawShaderLay 0 <$> shads <*> count)
     pokeEndTicks <- SDL.ticks
     return $ pokeEndTicks - pokeStartTicks
diff --git a/src/Shader.hs b/src/Shader.hs
index 280699243..f3576b9c9 100644
--- a/src/Shader.hs
+++ b/src/Shader.hs
@@ -23,7 +23,7 @@ import Foreign
 import Control.Monad
 import Graphics.Rendering.OpenGL hiding (Point,translate,scale,imageHeight)
 import Graphics.GL.Core43
-import qualified Data.IntMap.Strict as IM
+--import qualified Data.IntMap.Strict as IM
 --import Data.Bifunctor
 --import Text.RawString.QQ
 --import Linear.Matrix
@@ -41,18 +41,6 @@ bindArrayBuffers numVs theVBO = do
         (fromIntegral $ floatSize * numVs * sum (_vboAttribSizes theVBO)) 
         (_vboPtr theVBO)
 
-bindArrayBuffersLayer :: Int -> Int -> VBO -> IO ()
-bindArrayBuffersLayer lay numVs theVBO = do
-    bindBuffer ArrayBuffer $= Just (_vbo theVBO)
-    bufferSubData 
-        ArrayBuffer 
-        WriteToBuffer 
-        (fromIntegral $ floatSize * stride * numSubElements * lay)
-        (fromIntegral $ floatSize * numVs * stride)
-        (_vboPtr theVBO `plusPtr` (floatSize * stride * numSubElements * lay))
-  where
-    stride = sum $ _vboAttribSizes theVBO
-
 bindShaderLayers :: MV.MVector (PrimState IO) VShader -> UMV.MVector (PrimState IO) Int -> IO ()
 bindShaderLayers shads counts = MV.imapM_ f shads
   where
diff --git a/src/Shader/Poke.hs b/src/Shader/Poke.hs
index 14092e991..c9b2275c6 100644
--- a/src/Shader/Poke.hs
+++ b/src/Shader/Poke.hs
@@ -124,19 +124,6 @@ pokePoint3s ptr vals0 = go vals0 0
       where
         off i = n*3 + i
 
-
-vboFromType :: PicShads VBO -> Int -> VBO
-{-# INLINE vboFromType #-}
-vboFromType ps sn = case sn of
-    0 -> _psPoly ps
-    1 -> _psPolyz ps
-    2 -> _psBez ps
-    3 -> _psText ps
-    4 -> _psArc ps
-    5 -> _psEll ps
-    _ -> undefined
-
-
 pokeLayVerxs :: MV.MVector (PrimState IO) VShader 
     -> UMV.MVector (PrimState IO) Int
     -> [Verx] -> IO (IM.IntMap (PicShads Int))