vulkan-tutorial/src/Textures.hs
2023-05-15 14:20:18 +02:00

174 lines
5.1 KiB
Haskell

{-# LANGUAGE FlexibleContexts #-}
{-# LANGUAGE DuplicateRecordFields #-}
{-# LANGUAGE DataKinds #-}
{-# LANGUAGE ScopedTypeVariables #-}
module Textures where
import qualified Codec.Picture as P
import Control.Monad.IO.Class
import Control.Monad.Reader
import Control.Monad.Trans.Resource
import qualified Data.Map.Strict as M
import qualified Data.Vector as V
import qualified Data.Vector.Storable as VS
import Foreign hiding (void)
import qualified Control.Concurrent.STM as STM
import qualified Vulkan as Vk
import qualified Vulkan.CStruct.Extends as Vk
import qualified Vulkan.Zero as Vk
import qualified VulkanMemoryAllocator as VMA
-- internal imports
import Types
import Memory
import Sync
import Image
loadImageFromFile
:: (MonadResource m, MonadIO m)
=> VMA.Allocator
-> UploadContext
-> Vk.Queue
-> Vk.Device
-> FilePath
-> m AllocatedImage
loadImageFromFile allocator uploadContext queue device file = do
pixels <- liftIO $ either error P.convertRGBA8 <$> P.readImage file
let texWidth = P.imageWidth pixels
texHeight = P.imageHeight pixels
imageSize = 4 * texWidth * texHeight
imageFormat = Vk.FORMAT_R8G8B8A8_SRGB
stagingBuffer <-
createAllocatedBuffer
allocator
imageSize
Vk.BUFFER_USAGE_TRANSFER_SRC_BIT
VMA.MEMORY_USAGE_CPU_ONLY
let dataPtr = VMA.mappedData (bufferInfo stagingBuffer)
liftIO $ pokeArray (castPtr dataPtr) (VS.toList $ P.imageData pixels)
let imageExtent = Vk.Extent3D
{ width = fromIntegral texWidth
, height = fromIntegral texHeight
, depth = 1
}
dImgAllocCreateInfo = Vk.zero
{ VMA.usage = VMA.MEMORY_USAGE_GPU_ONLY
} :: VMA.AllocationCreateInfo
dImgCreateInfo = imageCreate
imageFormat
imageExtent
(Vk.IMAGE_USAGE_SAMPLED_BIT .|. Vk.IMAGE_USAGE_TRANSFER_DST_BIT)
(newImage, newAllocation, _) <- snd <$>
VMA.withImage allocator dImgCreateInfo dImgAllocCreateInfo allocate
immediateSubmit
uploadContext
queue
device
(\cmd -> do
let range = Vk.zero
{ Vk.aspectMask = Vk.IMAGE_ASPECT_COLOR_BIT
, Vk.baseMipLevel = 0
, Vk.levelCount = 1
, Vk.baseArrayLayer = 0
, Vk.layerCount = 1
}
imageBarrierToTransfer = V.singleton $ Vk.SomeStruct (Vk.zero
{ Vk.oldLayout = Vk.IMAGE_LAYOUT_UNDEFINED
, Vk.newLayout = Vk.IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL
, Vk.image = newImage
, Vk.subresourceRange = range
-- , Vk.srcAccessMask = bit 0
, Vk.dstAccessMask = Vk.ACCESS_TRANSFER_WRITE_BIT
} :: Vk.ImageMemoryBarrier '[])
Vk.cmdPipelineBarrier
cmd
Vk.PIPELINE_STAGE_TOP_OF_PIPE_BIT
Vk.PIPELINE_STAGE_TRANSFER_BIT
(bit 0)
V.empty
V.empty
imageBarrierToTransfer
let copyRegion = V.singleton (Vk.zero
{ Vk.bufferOffset = 0
, Vk.bufferRowLength = 0
, Vk.bufferImageHeight = 0
, Vk.imageExtent = imageExtent
, Vk.imageSubresource = Vk.zero
{ Vk.aspectMask = Vk.IMAGE_ASPECT_COLOR_BIT
, Vk.mipLevel = 0
, Vk.baseArrayLayer = 0
, Vk.layerCount = 1
} :: Vk.ImageSubresourceLayers
} :: Vk.BufferImageCopy)
Vk.cmdCopyBufferToImage
cmd
(allocatedBuffer stagingBuffer)
newImage
Vk.IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL
copyRegion
let imageBarrierToReadable = V.singleton $ Vk.SomeStruct (Vk.zero
{ Vk.oldLayout = Vk.IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL
, Vk.newLayout = Vk.IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL
, Vk.image = newImage
, Vk.subresourceRange = range
, Vk.srcAccessMask = Vk.ACCESS_TRANSFER_WRITE_BIT
, Vk.dstAccessMask = Vk.ACCESS_SHADER_READ_BIT
} :: Vk.ImageMemoryBarrier '[])
Vk.cmdPipelineBarrier
cmd
Vk.PIPELINE_STAGE_TRANSFER_BIT
Vk.PIPELINE_STAGE_FRAGMENT_SHADER_BIT
(bit 0)
V.empty
V.empty
imageBarrierToReadable
)
return $ AllocatedImage
{ image = newImage
, allocation = newAllocation
}
loadImages
:: (MonadResource m, MonadReader ReadState m)
=> VMA.Allocator
-> UploadContext
-> Vk.Queue
-> Vk.Device
-> m ()
loadImages allocator uploadContext queue device = do
loadedImage <- loadImageFromFile allocator uploadContext queue device "assets/textures/bricks.png"
let imageInfo = imageviewCreate (image loadedImage) Vk.FORMAT_R8G8B8A8_SRGB Vk.IMAGE_ASPECT_COLOR_BIT
imageView <- snd <$> Vk.withImageView device imageInfo Nothing allocate
let texture = Texture
{ textureImage = loadedImage
, textureImageView = imageView
}
textureLib <- asks textureLibrary
void $ liftIO $ STM.atomically $ do
texMap <- STM.readTMVar textureLib
let newMap = M.insert "bricks" texture texMap
STM.swapTMVar textureLib newMap