Move allocator to App

src/renderer/render_context.rs

@@ -1,12 +1,11 @@
-use crate::renderer::window_size_dependent_setup;
 use std::sync::Arc;
 use vulkano::device::Device;
 use vulkano::image::view::ImageView;
-use vulkano::image::ImageUsage;
+use vulkano::image::{Image, ImageUsage};
 use vulkano::pipeline::graphics::viewport::Viewport;
 use vulkano::swapchain::{Surface, Swapchain, SwapchainCreateInfo};
-use vulkano::sync;
 use vulkano::sync::GpuFuture;
+use vulkano::{sync, Validated, VulkanError};
 use winit::window::Window;
 
 pub struct RenderContext {
@@ -74,4 +73,30 @@ impl RenderContext {
             previous_frame_end,
         }
     }
+
+    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<_>>()
 }