Begin add Window Render Context

src/core/vulkan/mod.rs

@@ -1,9 +1,11 @@
-use context::VulkanContext;
+use vulkan_context::VulkanContext;
+use window_render_context::WindowRenderContext;
 
 use super::app::App;
 
-mod context;
 mod utils;
+mod vulkan_context;
+mod window_render_context;
 
 #[derive(Debug, thiserror::Error)]
 pub enum VulkanError {
@@ -16,9 +18,11 @@ pub struct Vulkan;
 impl Vulkan {
     pub fn new(app: &mut App) -> Result<(), VulkanError> {
         let vulkan_context = VulkanContext::from(app as &App);
-
         app.world_mut().insert_resource(vulkan_context);
 
+        let window_render_context = WindowRenderContext::from(app as &App);
+        app.world_mut().insert_resource(window_render_context);
+
         Ok(())
     }
 }

src/core/vulkan/vulkan_context.rs

@@ -1,14 +1,18 @@
-use std::sync::Arc;
+use std::{any::Any, sync::Arc};
 
 use bevy_ecs::system::Resource;
 use vulkano::{
-    command_buffer::allocator::StandardCommandBufferAllocator,
+    command_buffer::{
+        AutoCommandBufferBuilder, CommandBufferUsage, PrimaryAutoCommandBuffer,
+        allocator::StandardCommandBufferAllocator,
+    },
     descriptor_set::allocator::StandardDescriptorSetAllocator,
     device::{Device, Queue},
     instance::Instance,
     memory::allocator::StandardMemoryAllocator,
     swapchain::Surface,
 };
+use winit::raw_window_handle::{HasDisplayHandle, HasWindowHandle};
 
 use crate::core::{app::App, window::raw_handle::DisplayHandleWrapper};
 
@@ -25,6 +29,24 @@ pub struct VulkanContext {
     pub descriptor_set_allocator: Arc<StandardDescriptorSetAllocator>,
 }
 
+impl VulkanContext {
+    pub fn create_surface(
+        &self,
+        window: Arc<impl HasWindowHandle + HasDisplayHandle + Any + Send + Sync>,
+    ) -> Arc<Surface> {
+        Surface::from_window(self.instance.clone(), window).unwrap()
+    }
+
+    pub fn create_render_builder(&self) -> AutoCommandBufferBuilder<PrimaryAutoCommandBuffer> {
+        AutoCommandBufferBuilder::primary(
+            self.command_buffer_allocator.clone(),
+            self.graphics_queue.queue_family_index(),
+            CommandBufferUsage::OneTimeSubmit,
+        )
+        .unwrap()
+    }
+}
+
 impl From<&App> for VulkanContext {
     fn from(app: &App) -> Self {
         let library = utils::load_library();

src/core/vulkan/window_render_context.rs

@@ -0,0 +1,117 @@
+use bevy_ecs::system::Resource;
+use std::sync::Arc;
+use vulkano::image::view::ImageView;
+use vulkano::image::{Image, ImageUsage};
+use vulkano::pipeline::graphics::viewport::Viewport;
+use vulkano::swapchain::{Swapchain, SwapchainCreateInfo};
+use vulkano::sync::{self, GpuFuture};
+use vulkano::{Validated, VulkanError};
+use winit::window::Window;
+
+use crate::core::app::App;
+use crate::core::window::raw_handle::WindowWrapper;
+
+use super::vulkan_context::VulkanContext;
+
+#[derive(Resource)]
+pub struct WindowRenderContext {
+    pub window: Arc<Window>,
+    pub swapchain: Arc<Swapchain>,
+    pub attachment_image_views: Vec<Arc<ImageView>>,
+    pub viewport: Viewport,
+    pub recreate_swapchain: bool,
+    pub previous_frame_end: Option<Box<dyn GpuFuture + Send + Sync>>,
+}
+
+impl From<&App> for WindowRenderContext {
+    fn from(app: &App) -> Self {
+        let world = app.world();
+        let vulkan_context = world.get_resource::<VulkanContext>().unwrap();
+        let window_handle = world.get_resource::<WindowWrapper>().unwrap();
+        let window_size = window_handle.0.inner_size();
+
+        let surface = vulkan_context.create_surface(window_handle.0.clone());
+
+        let (swapchain, images) = {
+            let surface_capabilities = vulkan_context
+                .device
+                .physical_device()
+                .surface_capabilities(&surface, Default::default())
+                .unwrap();
+
+            let (image_format, _) = vulkan_context
+                .device
+                .physical_device()
+                .surface_formats(&surface, Default::default())
+                .unwrap()[0];
+
+            Swapchain::new(
+                vulkan_context.device.clone(),
+                surface,
+                SwapchainCreateInfo {
+                    // 2 because with some graphics driver, it crash on fullscreen because fullscreen need to min image to works.
+                    min_image_count: surface_capabilities.min_image_count.max(2),
+                    image_format,
+                    image_extent: window_size.into(),
+                    image_usage: ImageUsage::COLOR_ATTACHMENT,
+                    composite_alpha: surface_capabilities
+                        .supported_composite_alpha
+                        .into_iter()
+                        .next()
+                        .unwrap(),
+
+                    ..Default::default()
+                },
+            )
+            .unwrap()
+        };
+
+        let attachment_image_views = window_size_dependent_setup(&images);
+
+        let viewport = Viewport {
+            offset: [0.0, 0.0],
+            extent: window_size.into(),
+            depth_range: 0.0..=1.0,
+        };
+
+        let recreate_swapchain = false;
+        let previous_frame_end = Some(sync::now(vulkan_context.device.clone()).boxed_send_sync());
+
+        Self {
+            window: window_handle.0.clone(),
+            swapchain,
+            attachment_image_views,
+            viewport,
+            recreate_swapchain,
+            previous_frame_end,
+        }
+    }
+}
+
+impl WindowRenderContext {
+    pub fn update_swapchain(&mut self) -> Result<(), Validated<VulkanError>> {
+        if !self.recreate_swapchain {
+            return Ok(());
+        }
+
+        let window_size = self.window.inner_size();
+        let (new_swapchain, new_images) = self.swapchain.recreate(SwapchainCreateInfo {
+            image_extent: window_size.into(),
+            ..self.swapchain.create_info()
+        })?;
+
+        self.swapchain = new_swapchain;
+        self.attachment_image_views = window_size_dependent_setup(&new_images);
+        self.viewport.extent = window_size.into();
+        self.recreate_swapchain = false;
+
+        Ok(())
+    }
+}
+
+fn window_size_dependent_setup(images: &[Arc<Image>]) -> Vec<Arc<ImageView>> {
+    images
+        .iter()
+        .map(|image| ImageView::new_default(image.clone()).unwrap())
+        .collect::<Vec<_>>()
+}

src/core/window/raw_handle.rs

@@ -1,5 +1,7 @@
+use std::sync::Arc;
+
 use bevy_ecs::system::Resource;
-use winit::event_loop::EventLoopProxy;
+use winit::{event_loop::EventLoopProxy, window::Window};
 
 #[derive(Resource)]
 pub struct EventLoopProxyWrapper<T: 'static>(EventLoopProxy<T>);
@@ -16,3 +18,6 @@ impl<T: 'static> EventLoopProxyWrapper<T> {
 
 #[derive(Resource)]
 pub struct DisplayHandleWrapper(pub winit::event_loop::OwnedDisplayHandle);
+
+#[derive(Resource)]
+pub struct WindowWrapper(pub Arc<Window>);

src/core/window/state.rs

@@ -1,23 +1,22 @@
+use std::sync::Arc;
+
 use bevy_ecs::world::World;
 use winit::{
-    application::ApplicationHandler,
-    event::WindowEvent,
-    event_loop::ActiveEventLoop,
-    window::{Window, WindowId},
+    application::ApplicationHandler, event::WindowEvent, event_loop::ActiveEventLoop,
+    window::WindowId,
 };
 
 use crate::core::app::App;
 
-use super::config::WindowConfig;
+use super::{config::WindowConfig, raw_handle::WindowWrapper};
 
 pub struct WindowState {
     app: App,
-    window: Option<Window>,
 }
 
 impl WindowState {
     pub fn new(app: App) -> Self {
-        Self { app, window: None }
+        Self { app }
     }
 
     fn world(&self) -> &World {
@@ -30,7 +29,9 @@ impl ApplicationHandler for WindowState {
         let window_config = self.world().get_resource::<WindowConfig>().unwrap();
 
         let window = event_loop.create_window(window_config.into()).unwrap();
-        self.window = Some(window);
+        self.app
+            .world_mut()
+            .insert_resource(WindowWrapper(Arc::new(window)));
     }
 
     fn window_event(&mut self, event_loop: &ActiveEventLoop, _id: WindowId, event: WindowEvent) {