From 3de742fcb10f7dd4d6d218be176ed4759b451b79 Mon Sep 17 00:00:00 2001
From: Josh Simmons <josh@nega.tv>
Date: Mon, 4 Nov 2024 21:13:17 +0100
Subject: [PATCH] narcissus-gpu: Add `wait_idle` function

---
 engine/narcissus-gpu/src/backend/vulkan/mod.rs | 4 ++++
 engine/narcissus-gpu/src/lib.rs                | 2 ++
 2 files changed, 6 insertions(+)

diff --git a/engine/narcissus-gpu/src/backend/vulkan/mod.rs b/engine/narcissus-gpu/src/backend/vulkan/mod.rs
index 8beb545..04645db 100644
--- a/engine/narcissus-gpu/src/backend/vulkan/mod.rs
+++ b/engine/narcissus-gpu/src/backend/vulkan/mod.rs
@@ -2811,6 +2811,10 @@ impl Device for VulkanDevice {
         ));
     }
 
+    fn wait_idle(&self) {
+        vk_check!(unsafe { self.device_fn.device_wait_idle(self.device) });
+    }
+
     fn begin_frame(&self) -> Frame {
         let device_fn = &self.device_fn;
         let device = self.device;
diff --git a/engine/narcissus-gpu/src/lib.rs b/engine/narcissus-gpu/src/lib.rs
index 054365b..1ae5d81 100644
--- a/engine/narcissus-gpu/src/lib.rs
+++ b/engine/narcissus-gpu/src/lib.rs
@@ -1024,6 +1024,8 @@ pub trait Device {
 
     fn submit(&self, frame: &Frame, cmd_encoder: CmdEncoder);
 
+    fn wait_idle(&self);
+
     fn begin_frame(&self) -> Frame;
 
     fn end_frame<'device>(&'device self, frame: Frame<'device>);
-- 
2.49.0