mirror of
https://github.com/Drezil/dear-imgui.hs.git
synced 2024-11-24 17:47:00 +00:00
611 lines
22 KiB
Haskell
611 lines
22 KiB
Haskell
{-# LANGUAGE BlockArguments #-}
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{-# LANGUAGE DataKinds #-}
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{-# LANGUAGE DerivingVia #-}
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{-# LANGUAGE DuplicateRecordFields #-}
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{-# LANGUAGE FlexibleInstances #-}
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{-# LANGUAGE LambdaCase #-}
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{-# LANGUAGE MonoLocalBinds #-}
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{-# LANGUAGE NamedFieldPuns #-}
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{-# LANGUAGE OverloadedStrings #-}
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{-# LANGUAGE RecordWildCards #-}
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{-# LANGUAGE ScopedTypeVariables #-}
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{-# LANGUAGE StandaloneDeriving #-}
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{-# LANGUAGE TupleSections #-}
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{-# LANGUAGE TypeApplications #-}
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{-# OPTIONS_GHC -fno-warn-name-shadowing #-}
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{-# OPTIONS_GHC -fno-warn-orphans #-}
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module Main where
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-- base
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import Control.Arrow
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( second )
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import Control.Exception
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( throw )
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import Control.Monad
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( unless, void, when )
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import Data.Bits
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( (.|.) )
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import Data.Foldable
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( traverse_ )
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import Data.String
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( IsString )
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import Data.Traversable
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( for )
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import Data.Word
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( Word32 )
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-- logging-effect
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import Control.Monad.Log
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( LoggingT(..), logDebug, runLoggingT )
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-- resource-t
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import Control.Monad.Trans.Resource
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( ResourceT, MonadResource, runResourceT )
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import qualified Control.Monad.Trans.Resource as ResourceT
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( allocate, release )
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-- sdl
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import qualified SDL
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-- transformers
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import Control.Monad.Trans.Reader
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( ReaderT(..) )
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import Control.Monad.IO.Class
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( MonadIO(..) )
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-- unliftio
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import UnliftIO.Exception
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( handleJust )
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-- vector
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import qualified Data.Vector as Boxed
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( Vector )
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import qualified Data.Vector as Boxed.Vector
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( (!), head, singleton, unzip )
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import qualified Data.Vector.Storable as Storable.Vector
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-- vulkan
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import qualified Vulkan
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import qualified Vulkan.Exception as Vulkan
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import qualified Vulkan.Zero as Vulkan
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import qualified VulkanMemoryAllocator as VMA
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-- dear-imgui
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import Attachments
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import Backend
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import Input
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import qualified DearImGui as ImGui
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import qualified DearImGui.Vulkan as ImGui.Vulkan
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import qualified DearImGui.SDL as ImGui.SDL
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import qualified DearImGui.SDL.Vulkan as ImGui.SDL.Vulkan
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import Util (vmaVulkanFunctions)
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import Foreign (Ptr, castPtr, copyBytes, with, withForeignPtr, wordPtrToPtr)
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import qualified DearImGui.Raw as ImGui.Raw
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import UnliftIO (MonadUnliftIO)
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import qualified Vulkan.CStruct.Extends as Vulkan
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import qualified Codec.Picture as Picture
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--------------------------------------------------------------------------------
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type Handler = LogMessage -> ResourceT IO ()
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deriving via ( ReaderT Handler (ResourceT IO) )
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instance MonadResource ( LoggingT LogMessage (ResourceT IO) )
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gui :: MonadUnliftIO m => (ImGui.Raw.ImVec2, Ptr ()) -> m ImGui.DrawData
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gui texture = do
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-- Prepare frame
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ImGui.Vulkan.vulkanNewFrame
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ImGui.SDL.sdl2NewFrame
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ImGui.newFrame
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-- Run your windows
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ImGui.showDemoWindow
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ImGui.withWindowOpen "Vulkan demo" do
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clicked <- liftIO do
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with (fst texture) \sizePtr ->
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with (ImGui.Raw.ImVec2 0 0) \uv0Ptr ->
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with (ImGui.Raw.ImVec2 1 1) \uv1Ptr ->
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with (ImGui.Raw.ImVec4 1 1 1 1) \tintColPtr ->
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with (ImGui.Raw.ImVec4 1 1 1 1) \bgColPtr ->
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ImGui.Raw.imageButton
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(snd texture)
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sizePtr
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uv0Ptr
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uv1Ptr
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(-1)
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bgColPtr
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tintColPtr
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when clicked $
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ImGui.text "clicky click!"
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-- Process ImGui state into draw commands
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ImGui.render
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ImGui.getDrawData
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main :: IO ()
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main = runResourceT . ( `runLoggingT` logHandler ) $ app @( LoggingT LogMessage ( ResourceT IO ) )
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appName :: IsString a => a
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appName = "DearImGui - Vulkan"
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app :: forall m. MonadVulkan m => m ()
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app = do
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-------------------------------------------
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-- Initialise window, Vulkan and Dear ImGui contexts.
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( window, windowExtensions ) <-
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initialiseWindow
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WindowInfo
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{ width = 1280
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, height = 720
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, windowName = appName
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, mouseMode = SDL.AbsoluteLocation
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}
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let
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vulkanReqs :: VulkanRequirements
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vulkanReqs =
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VulkanRequirements
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{ instanceRequirements = instanceExtensions windowExtensions
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, deviceRequirements = []
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, queueFlags = Vulkan.QUEUE_GRAPHICS_BIT
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}
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VulkanContext {..} <- initialiseVulkanContext NormalInstance appName vulkanReqs
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surface <- logDebug "Creating SDL surface" *> createSurface window instance'
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assertSurfacePresentable physicalDevice queueFamily surface
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void $ ResourceT.allocate
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ImGui.createContext
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ImGui.destroyContext
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let
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preferredFormat :: Vulkan.SurfaceFormatKHR
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preferredFormat =
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Vulkan.SurfaceFormatKHR
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Vulkan.FORMAT_B8G8R8A8_UNORM
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Vulkan.COLOR_SPACE_SRGB_NONLINEAR_KHR
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surfaceUsage :: Vulkan.ImageUsageFlagBits
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surfaceUsage = Vulkan.IMAGE_USAGE_COLOR_ATTACHMENT_BIT
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commandPool <- createCommandPool device Vulkan.COMMAND_POOL_CREATE_RESET_COMMAND_BUFFER_BIT queueFamily
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nextImageSem <- snd <$> Vulkan.withSemaphore device Vulkan.zero Nothing ResourceT.allocate
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submitted <- snd <$> Vulkan.withSemaphore device Vulkan.zero Nothing ResourceT.allocate
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let
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imGuiDescriptorTypes :: [ ( Vulkan.DescriptorType, Int ) ]
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imGuiDescriptorTypes = map (, 1000)
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[ Vulkan.DESCRIPTOR_TYPE_SAMPLER
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, Vulkan.DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER
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, Vulkan.DESCRIPTOR_TYPE_SAMPLED_IMAGE
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, Vulkan.DESCRIPTOR_TYPE_STORAGE_IMAGE
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, Vulkan.DESCRIPTOR_TYPE_UNIFORM_TEXEL_BUFFER
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, Vulkan.DESCRIPTOR_TYPE_STORAGE_TEXEL_BUFFER
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, Vulkan.DESCRIPTOR_TYPE_UNIFORM_BUFFER
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, Vulkan.DESCRIPTOR_TYPE_STORAGE_BUFFER
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, Vulkan.DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC
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, Vulkan.DESCRIPTOR_TYPE_STORAGE_BUFFER_DYNAMIC
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, Vulkan.DESCRIPTOR_TYPE_INPUT_ATTACHMENT
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]
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( _imGuiPoolKey, imGuiDescriptorPool ) <- createDescriptorPool device 1000 imGuiDescriptorTypes
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---------------------------------------------------------------------------
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-- Handle swapchain creation (and resources that depend on the swapchain).
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surfaceCapabilities <- Vulkan.getPhysicalDeviceSurfaceCapabilitiesKHR physicalDevice ( Vulkan.SurfaceKHR surface )
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let
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Vulkan.SurfaceCapabilitiesKHR{minImageCount, maxImageCount} = surfaceCapabilities
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imageCount
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| maxImageCount == 0 = minImageCount + 1
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| otherwise = ( minImageCount + 1 ) `min` maxImageCount
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clearValues :: [ Vulkan.ClearValue ]
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clearValues = [ Vulkan.Color $ Vulkan.Float32 0.5 0.2 0 1.0 ]
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swapchainResources :: Maybe SwapchainResources -> m ( m (), SwapchainResources )
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swapchainResources mbOldResources = do
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( colFmt, surfaceFormat, imGuiRenderPass ) <- case mbOldResources of
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Nothing -> do
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logDebug "Choosing swapchain format & color space"
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surfaceFormat <- chooseSwapchainFormat preferredFormat physicalDevice surface
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let Vulkan.SurfaceFormatKHR{format=colFmt} = surfaceFormat
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logDebug "Creating Dear ImGui render pass"
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( _, imGuiRenderPass ) <-
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simpleRenderPass device
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( noAttachments
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{ colorAttachments = Boxed.Vector.singleton $ presentableColorAttachmentDescription colFmt }
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)
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pure ( colFmt, surfaceFormat, imGuiRenderPass )
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Just oldResources -> do
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let surFmt = surfaceFormat oldResources
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let Vulkan.SurfaceFormatKHR{format=colFmt} = surFmt
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pure ( colFmt, surFmt, imGuiRenderPass oldResources )
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logDebug "Creating swapchain"
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( swapchainKey, swapchain, swapchainExtent ) <-
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createSwapchain
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physicalDevice
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device
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surface
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surfaceFormat
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surfaceUsage
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imageCount
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( swapchain <$> mbOldResources )
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logDebug "Getting swapchain images"
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swapchainImages <- snd <$> Vulkan.getSwapchainImagesKHR device swapchain
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-------------------------------------------
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-- Create framebuffer attachments.
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{-
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let
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width, height :: Num a => a
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width = fromIntegral $ ( Vulkan.width :: Vulkan.Extent2D -> Word32 ) swapchainExtent
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height = fromIntegral $ ( Vulkan.height :: Vulkan.Extent2D -> Word32 ) swapchainExtent
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extent3D :: Vulkan.Extent3D
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extent3D
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= Vulkan.Extent3D
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{ Vulkan.width = width
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, Vulkan.height = height
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, Vulkan.depth = 1
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}
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-}
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logDebug "Creating framebuffers"
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( fbKeys, framebuffersWithAttachments ) <-
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fmap Boxed.Vector.unzip . for swapchainImages $ \ swapchainImage -> do
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( imageViewKey, colorImageView )
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<- createImageView
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device swapchainImage
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Vulkan.IMAGE_VIEW_TYPE_2D
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colFmt
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Vulkan.IMAGE_ASPECT_COLOR_BIT
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let attachment = (swapchainImage, colorImageView)
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( framebufferKey, framebuffer ) <- createFramebuffer device imGuiRenderPass swapchainExtent [colorImageView]
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pure ( [ imageViewKey, framebufferKey ], ( framebuffer, attachment ) )
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-------------------------------------------
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-- Create descriptor sets.
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-- Application doesn't have any descriptor sets of its own yet.
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-------------------------------------------
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-- Create pipelines.
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-- Application doesn't have any pipelines of its own yet.
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-------------------------------------------
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-- Return the resources and free method.
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pure
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( do
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traverse_ ( traverse_ ResourceT.release ) fbKeys
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traverse_ ResourceT.release
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[ swapchainKey ]
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, SwapchainResources {..}
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)
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( freeResources, resources@( SwapchainResources {..} ) ) <- swapchainResources Nothing
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let
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imageCount :: Word32
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imageCount = fromIntegral $ length swapchainImages
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logDebug "Allocating command buffers"
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commandBuffers <- snd <$> allocatePrimaryCommandBuffers device commandPool imageCount
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logDebug "Allocating VMA"
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(_key, vma) <- VMA.withAllocator
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Vulkan.zero
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{ VMA.instance' = Vulkan.instanceHandle instance'
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, VMA.device = Vulkan.deviceHandle device
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, VMA.physicalDevice = Vulkan.physicalDeviceHandle physicalDevice
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, VMA.vulkanFunctions = Just $ vmaVulkanFunctions device instance'
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}
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ResourceT.allocate
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logDebug "Loading image data"
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picture <- liftIO (Picture.readImage "Example.png") >>= either error (pure . Picture.convertRGBA8)
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logDebug "Allocating image"
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let textureWidth = Picture.imageWidth picture
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let textureHeight = Picture.imageHeight picture
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(_key, (image, _imageAllocation, _imageAllocationInfo)) <- VMA.withImage
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vma
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( Vulkan.zero
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{ Vulkan.imageType = Vulkan.IMAGE_TYPE_2D
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, Vulkan.mipLevels = 1
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, Vulkan.arrayLayers = 1
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, Vulkan.format = Vulkan.FORMAT_R8G8B8A8_SRGB
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, Vulkan.extent = Vulkan.Extent3D (fromIntegral textureWidth) (fromIntegral textureHeight) 1
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, Vulkan.tiling = Vulkan.IMAGE_TILING_OPTIMAL
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, Vulkan.initialLayout = Vulkan.IMAGE_LAYOUT_UNDEFINED
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, Vulkan.usage = Vulkan.IMAGE_USAGE_SAMPLED_BIT .|. Vulkan.IMAGE_USAGE_TRANSFER_DST_BIT
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, Vulkan.sharingMode = Vulkan.SHARING_MODE_EXCLUSIVE
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, Vulkan.samples = Vulkan.SAMPLE_COUNT_1_BIT
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}
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)
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( Vulkan.zero
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{ VMA.flags = Vulkan.zero
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, VMA.usage = VMA.MEMORY_USAGE_GPU_ONLY
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, VMA.requiredFlags = Vulkan.MEMORY_PROPERTY_DEVICE_LOCAL_BIT
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}
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)
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ResourceT.allocate
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let (pictureF, pictureSize) = Storable.Vector.unsafeToForeignPtr0 (Picture.imageData picture)
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let stageBufferCI = Vulkan.zero
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{ Vulkan.size = fromIntegral pictureSize
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, Vulkan.usage = Vulkan.BUFFER_USAGE_TRANSFER_SRC_BIT
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, Vulkan.sharingMode = Vulkan.SHARING_MODE_EXCLUSIVE
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}
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let stageAllocationCI = Vulkan.zero
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{ VMA.flags = VMA.ALLOCATION_CREATE_MAPPED_BIT
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, VMA.usage = VMA.MEMORY_USAGE_CPU_TO_GPU
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, VMA.requiredFlags = Vulkan.MEMORY_PROPERTY_HOST_VISIBLE_BIT
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}
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(stageKey, (stage, stageAllocation, stageAllocationInfo)) <- VMA.withBuffer
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vma
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stageBufferCI
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stageAllocationCI
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ResourceT.allocate
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liftIO $ withForeignPtr pictureF \srcPtr ->
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copyBytes (VMA.mappedData stageAllocationInfo) (castPtr srcPtr) pictureSize
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VMA.flushAllocation vma stageAllocation 0 Vulkan.WHOLE_SIZE
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logDebug "Allocating sampler"
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(_key, sampler) <- Vulkan.withSampler device Vulkan.zero Nothing ResourceT.allocate
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logDebug "Allocating image view"
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(_key, imageView) <- createImageView
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device
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image
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Vulkan.IMAGE_VIEW_TYPE_2D
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Vulkan.FORMAT_R8G8B8A8_SRGB
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Vulkan.IMAGE_ASPECT_COLOR_BIT
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-------------------------------------------
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-- Initialise Dear ImGui.
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let
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initInfo :: ImGui.Vulkan.InitInfo
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initInfo = ImGui.Vulkan.InitInfo
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{ instance'
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, physicalDevice
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, device
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, queueFamily
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, queue
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, pipelineCache = Vulkan.NULL_HANDLE
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, descriptorPool = imGuiDescriptorPool
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, subpass = 0
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, minImageCount
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, imageCount
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, msaaSamples = Vulkan.SAMPLE_COUNT_1_BIT
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, mbAllocator = Nothing
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, checkResult = \case { Vulkan.SUCCESS -> pure (); e -> throw $ Vulkan.VulkanException e }
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}
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logDebug "Initialising ImGui SDL2 for Vulkan"
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void $ ResourceT.allocate
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( ImGui.SDL.Vulkan.sdl2InitForVulkan window )
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( const ImGui.SDL.sdl2Shutdown )
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logDebug "Initialising ImGui for Vulkan"
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ImGui.Vulkan.withVulkan initInfo imGuiRenderPass \ _ -> do
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logDebug "Running one-shot commands to upload ImGui textures"
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logDebug "Creating fence"
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( fenceKey, fence ) <- createFence device
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logDebug "Allocating one-shot command buffer"
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( oneshotCommandBufferKey, oneshotCommandBuffer ) <-
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second Boxed.Vector.head <$>
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allocatePrimaryCommandBuffers device commandPool 1
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logDebug "Recording one-shot commands"
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beginCommandBuffer oneshotCommandBuffer
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_ <- ImGui.Vulkan.vulkanCreateFontsTexture oneshotCommandBuffer
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logDebug "Uploading texture"
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let textureSubresource = Vulkan.ImageSubresourceRange
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{ Vulkan.aspectMask = Vulkan.IMAGE_ASPECT_COLOR_BIT
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, Vulkan.baseMipLevel = 0
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, Vulkan.levelCount = 1
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, Vulkan.baseArrayLayer = 0
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, Vulkan.layerCount = 1
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}
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let uploadBarrier = Vulkan.zero
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{ Vulkan.srcAccessMask = Vulkan.zero
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, Vulkan.dstAccessMask = Vulkan.ACCESS_TRANSFER_WRITE_BIT
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, Vulkan.oldLayout = Vulkan.IMAGE_LAYOUT_UNDEFINED
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, Vulkan.newLayout = Vulkan.IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL
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, Vulkan.srcQueueFamilyIndex = Vulkan.QUEUE_FAMILY_IGNORED
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, Vulkan.dstQueueFamilyIndex = Vulkan.QUEUE_FAMILY_IGNORED
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, Vulkan.image = image
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, Vulkan.subresourceRange = textureSubresource
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} :: Vulkan.ImageMemoryBarrier '[]
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Vulkan.cmdPipelineBarrier
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oneshotCommandBuffer
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Vulkan.PIPELINE_STAGE_TOP_OF_PIPE_BIT
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Vulkan.PIPELINE_STAGE_TRANSFER_BIT
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Vulkan.zero
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mempty
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mempty
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(Boxed.Vector.singleton $ Vulkan.SomeStruct uploadBarrier)
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Vulkan.cmdCopyBufferToImage oneshotCommandBuffer stage image Vulkan.IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL $
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Boxed.Vector.singleton Vulkan.BufferImageCopy
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{ Vulkan.bufferOffset = 0
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, Vulkan.bufferRowLength = Vulkan.zero
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, Vulkan.bufferImageHeight = Vulkan.zero
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, Vulkan.imageSubresource = Vulkan.ImageSubresourceLayers
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{ aspectMask = Vulkan.IMAGE_ASPECT_COLOR_BIT
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, mipLevel = 0
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, baseArrayLayer = 0
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, layerCount = 1
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}
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, Vulkan.imageOffset = Vulkan.zero
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, Vulkan.imageExtent = Vulkan.Extent3D
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{ width = fromIntegral textureWidth
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, height = fromIntegral textureHeight
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, depth = 1
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}
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}
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logDebug "Transitioning texture"
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let transitionBarrier = Vulkan.zero
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{ Vulkan.srcAccessMask = Vulkan.ACCESS_TRANSFER_WRITE_BIT
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, Vulkan.dstAccessMask = Vulkan.ACCESS_SHADER_READ_BIT
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, Vulkan.oldLayout = Vulkan.IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL
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, Vulkan.newLayout = Vulkan.IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL
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, Vulkan.srcQueueFamilyIndex = Vulkan.QUEUE_FAMILY_IGNORED
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, Vulkan.dstQueueFamilyIndex = Vulkan.QUEUE_FAMILY_IGNORED
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, Vulkan.image = image
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, Vulkan.subresourceRange = textureSubresource
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} :: Vulkan.ImageMemoryBarrier '[]
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Vulkan.cmdPipelineBarrier
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oneshotCommandBuffer
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Vulkan.PIPELINE_STAGE_TRANSFER_BIT
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Vulkan.PIPELINE_STAGE_FRAGMENT_SHADER_BIT
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Vulkan.zero
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mempty
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mempty
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(Boxed.Vector.singleton $ Vulkan.SomeStruct transitionBarrier)
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endCommandBuffer oneshotCommandBuffer
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logDebug "Submitting one-shot commands"
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submitCommandBuffer queue oneshotCommandBuffer [] [] ( Just fence )
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waitForFences device ( WaitAll [ fence ] )
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logDebug "Finished uploading font objects"
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logDebug "Cleaning up one-shot commands"
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ImGui.Vulkan.vulkanDestroyFontUploadObjects
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traverse_ ResourceT.release [ fenceKey, oneshotCommandBufferKey, stageKey ]
|
|
|
|
logDebug "Adding imgui texture"
|
|
Vulkan.DescriptorSet ds <- ImGui.Vulkan.vulkanAddTexture sampler imageView Vulkan.IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL
|
|
let textureSize = ImGui.Raw.ImVec2 (fromIntegral textureWidth) (fromIntegral textureHeight)
|
|
let texture = (textureSize, wordPtrToPtr $ fromIntegral ds)
|
|
|
|
let
|
|
mainLoop :: AppState m -> m ()
|
|
mainLoop ( AppState {..} ) = do
|
|
|
|
( freeResources, resources@( SwapchainResources {..} ), freeOldResources ) <-
|
|
if reloadSwapchain
|
|
then do
|
|
logDebug "Reloading swapchain and associated resources"
|
|
( freeNewResources, newResources ) <- swapchainResources ( Just resources )
|
|
pure ( freeNewResources, newResources, freeOldResources *> freeResources )
|
|
else pure ( freeResources, resources, freeOldResources )
|
|
|
|
inputEvents <- map SDL.eventPayload <$> pollEventsWithImGui
|
|
inputState <- pure $ onSDLInputs inputState inputEvents
|
|
|
|
unless ( quitAction inputState ) do
|
|
( acquireResult, nextImageIndex ) <-
|
|
handleJust vulkanException ( \ e -> pure ( e, 0 ) )
|
|
( Vulkan.acquireNextImageKHR device swapchain maxBound nextImageSem Vulkan.NULL_HANDLE )
|
|
let
|
|
reloadSwapchain, quit :: Bool
|
|
( reloadSwapchain, quit ) = reloadQuit acquireResult
|
|
unless quit do
|
|
( reloadSwapchain, quit ) <-
|
|
if reloadSwapchain
|
|
then do
|
|
pure ( True, False )
|
|
else
|
|
handleJust vulkanException ( pure . reloadQuit ) do
|
|
let
|
|
commandBuffer :: Vulkan.CommandBuffer
|
|
commandBuffer = commandBuffers Boxed.Vector.! fromIntegral nextImageIndex
|
|
framebuffer :: Vulkan.Framebuffer
|
|
framebuffer = fst $ framebuffersWithAttachments Boxed.Vector.! fromIntegral nextImageIndex
|
|
Vulkan.resetCommandBuffer commandBuffer Vulkan.zero
|
|
beginCommandBuffer commandBuffer
|
|
cmdBeginRenderPass commandBuffer imGuiRenderPass framebuffer clearValues swapchainExtent
|
|
|
|
drawData <- gui texture
|
|
ImGui.Vulkan.vulkanRenderDrawData drawData commandBuffer Nothing
|
|
|
|
cmdEndRenderPass commandBuffer
|
|
endCommandBuffer commandBuffer
|
|
submitCommandBuffer
|
|
queue
|
|
commandBuffer
|
|
[ ( nextImageSem, Vulkan.PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT ) ]
|
|
[ submitted ]
|
|
Nothing
|
|
presentResult <- present queue swapchain nextImageIndex [submitted]
|
|
Vulkan.queueWaitIdle queue
|
|
pure ( reloadQuit presentResult )
|
|
freeOldResources
|
|
let
|
|
freeOldResources :: m ()
|
|
freeOldResources = pure ()
|
|
unless quit $ mainLoop ( AppState {..} )
|
|
|
|
let
|
|
reloadSwapchain :: Bool
|
|
reloadSwapchain = False
|
|
freeOldResources :: m ()
|
|
freeOldResources = pure ()
|
|
inputState :: Input
|
|
inputState = nullInput
|
|
|
|
logDebug "Starting main loop."
|
|
mainLoop ( AppState {..} )
|
|
|
|
|
|
data SwapchainResources = SwapchainResources
|
|
{ swapchain :: !Vulkan.SwapchainKHR
|
|
, swapchainExtent :: !Vulkan.Extent2D
|
|
, swapchainImages :: !( Boxed.Vector Vulkan.Image )
|
|
, surfaceFormat :: !Vulkan.SurfaceFormatKHR
|
|
, imGuiRenderPass :: !Vulkan.RenderPass
|
|
, framebuffersWithAttachments :: !( Boxed.Vector ( Vulkan.Framebuffer, ( Vulkan.Image, Vulkan.ImageView ) ) )
|
|
}
|
|
|
|
data AppState m
|
|
= AppState
|
|
{ reloadSwapchain :: !Bool
|
|
, freeResources :: !( m () )
|
|
, resources :: !SwapchainResources
|
|
, freeOldResources :: !( m () )
|
|
, inputState :: !Input
|
|
}
|
|
|
|
pollEventsWithImGui :: MonadIO m => m [ SDL.Event ]
|
|
pollEventsWithImGui = do
|
|
e <- ImGui.SDL.pollEventWithImGui
|
|
case e of
|
|
Nothing -> pure []
|
|
Just e' -> ( e' : ) <$> pollEventsWithImGui
|
|
|
|
vulkanException :: Vulkan.VulkanException -> Maybe Vulkan.Result
|
|
vulkanException ( Vulkan.VulkanException e )
|
|
| e >= Vulkan.SUCCESS
|
|
= Nothing
|
|
| otherwise
|
|
= Just e
|
|
|
|
reloadQuit :: Vulkan.Result -> ( Bool, Bool )
|
|
reloadQuit = \ case
|
|
Vulkan.ERROR_OUT_OF_DATE_KHR -> ( True , False )
|
|
Vulkan.SUBOPTIMAL_KHR -> ( True , False )
|
|
e | e >= Vulkan.SUCCESS -> ( False, False )
|
|
_ -> ( False, True )
|