vulkan-tutorial/src/Main.hs

99 lines
2.6 KiB
Haskell

{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE DuplicateRecordFields #-}
{-# LANGUAGE DataKinds #-}
module Main where
import Control.Monad
import Control.Monad.Loops
import Control.Monad.IO.Class
import Control.Monad.Trans.Resource
import Data.Bits
import Data.Word
import qualified SDL hiding (V2)
import qualified Control.Concurrent.STM as STM
import qualified Vulkan as Vk
import qualified Vulkan.Zero as Vk
-- internal imports
import Init
main :: IO ()
main = runResourceT $ do
(window, inst, surface, swapchain, images) <- initEngine
SDL.showWindow window
-- create abort condition for upcoming lop
quit <- liftIO $ STM.newTMVarIO True
-- main loop
liftIO $ whileM_
(STM.atomically $ STM.readTMVar quit
)
( do
-- poll events
evs <- SDL.pollEvents
-- flip abort condition on window close
mapM_
(\e -> case SDL.eventPayload e of
SDL.WindowClosedEvent _ ->
void $ STM.atomically $ STM.swapTMVar quit False
_ -> return ()
)
evs
)
createBufferView
:: (MonadResource m)
=> Vk.Device
-> m (ReleaseKey, Vk.BufferView)
createBufferView logicalDevice = do
let bufferCreateInfo = Vk.zero
{ Vk.size = 1024
, Vk.usage =
Vk.BUFFER_USAGE_UNIFORM_BUFFER_BIT .|.
Vk.BUFFER_USAGE_UNIFORM_TEXEL_BUFFER_BIT
, Vk.sharingMode = Vk.SHARING_MODE_EXCLUSIVE
}
buffer <- snd <$> allocate
(Vk.createBuffer logicalDevice bufferCreateInfo Nothing)
(\buffer -> do
putStrLn "destroying buffer"
Vk.destroyBuffer logicalDevice buffer Nothing
)
let bufferViewCreateInfo = Vk.zero
{ Vk.buffer = buffer
, Vk.format = Vk.FORMAT_R32G32B32_SFLOAT
, Vk.offset = 0
, Vk.range = Vk.WHOLE_SIZE
}
allocate
(Vk.createBufferView logicalDevice bufferViewCreateInfo Nothing)
(\bufferView -> do
putStrLn "destroying bufferView"
Vk.destroyBufferView logicalDevice bufferView Nothing
)
allocateMemory
:: (MonadResource m)
=> Vk.Device
-> Vk.Buffer
-> m (ReleaseKey, Vk.DeviceMemory)
allocateMemory logicalDevice buffer = do
memoryRequirements <- Vk.getBufferMemoryRequirements logicalDevice buffer
let memoryAllocateInfo = Vk.zero
{ Vk.allocationSize = (Vk.size :: Vk.MemoryRequirements -> Word64) memoryRequirements
, Vk.memoryTypeIndex = error ("createBuffer: TODO: populate memoryTypeIndex!" :: String)
}
allocate
(Vk.allocateMemory logicalDevice memoryAllocateInfo Nothing)
(\memory -> do
putStrLn "Freeing memory"
Vk.freeMemory logicalDevice memory Nothing
)