it was that easy lol

lib/src/renderer/vulkan/vulkan.rs

@@ -1,4 +1,8 @@
-use std::{mem, path::PathBuf, sync::Arc};
+use std::{
+    mem::{self, ManuallyDrop},
+    path::PathBuf,
+    sync::Arc,
+};
 
 use ash::{util::Align, vk, Entry, Instance};
 use ash_window::enumerate_required_extensions;
@@ -82,11 +86,20 @@ impl Drop for RendererBackendManager {
 }
 
 pub struct RendererBackend {
-    inner: VulkanWindowInner,
-    filter_chain: Option<FilterChain>,
+    inner: ManuallyDrop<VulkanWindowInner>,
+    filter_chain: ManuallyDrop<Option<FilterChain>>,
     manager: Arc<RendererBackendManager>,
 }
 
+impl Drop for RendererBackend {
+    fn drop(&mut self) {
+        unsafe {
+            ManuallyDrop::drop(&mut self.filter_chain);
+            ManuallyDrop::drop(&mut self.inner);
+        }
+    }
+}
+
 pub struct WindowOptions {
     pub shader_path: Option<PathBuf>,
 }
@@ -119,8 +132,8 @@ impl RendererBackend {
         });
 
         Self {
-            inner,
-            filter_chain,
+            inner: ManuallyDrop::new(inner),
+            filter_chain: ManuallyDrop::new(filter_chain),
             manager,
         }
     }