clean somme errors

src/CommandBuffer.hs

@@ -14,7 +14,6 @@ import qualified Vulkan.Zero as Vk
 -- internal imports
 
 import Devices
-import GHC.IO.Handle.Text (commitBuffer')
 
 createCommandPool
   :: (MonadResource m)
@@ -99,7 +98,7 @@ recordCommandBuffer commandBuffer renderPass frameBuffer (V2 width height) graph
         , Vk.width    = fromIntegral width
         , Vk.height   = fromIntegral height
         , Vk.minDepth = 0
-        , Vk.maxDepth = 0
+        , Vk.maxDepth = 1
         }
       scissor = Vk.Rect2D
         { Vk.offset = Vk.Offset2D