diff --git a/ash/src/extensions/khr/surface.rs b/ash/src/extensions/khr/surface.rs
index 024dab9..c0e6441 100644
--- a/ash/src/extensions/khr/surface.rs
+++ b/ash/src/extensions/khr/surface.rs
@@ -138,4 +138,12 @@ impl Surface {
             allocation_callbacks.as_raw_ptr(),
         );
     }
+
+    pub fn raw_fp(&self) -> &vk::KhrSurfaceFn {
+        &self.surface_fn
+    }
+
+    pub fn instance_handle(&self) -> vk::Instance {
+        self.handle
+    }
 }
diff --git a/ash/src/extensions/khr/swapchain.rs b/ash/src/extensions/khr/swapchain.rs
index f9a6a8b..f87ab95 100644
--- a/ash/src/extensions/khr/swapchain.rs
+++ b/ash/src/extensions/khr/swapchain.rs
@@ -126,4 +126,12 @@ impl Swapchain {
             _ => Err(err_code),
         }
     }
+
+    pub fn raw_fp(&self) -> &vk::KhrSwapchainFn {
+        &self.swapchain_fn
+    }
+
+    pub fn device_handle(&self) -> vk::Device {
+        self.handle
+    }
 }