narcissus-gpu: Remove unnecessary mut

diff --git a/libs/narcissus-gpu/src/backend/vulkan/wsi.rs b/libs/narcissus-gpu/src/backend/vulkan/wsi.rs
index 0dd0ca847a4b77cbc9e22ead449c578a6f50fd8d..08b8731feae0ba81dcb80932d0fac788d8430e1a 100644 (file)
--- a/libs/narcissus-gpu/src/backend/vulkan/wsi.rs
+++ b/libs/narcissus-gpu/src/backend/vulkan/wsi.rs
@@ -235,7 +235,7 @@ impl VulkanDevice {
         let format = vulkan_format(format);
 
         let mut swapchains = self.wsi.swapchains.lock();
-        let mut vulkan_swapchain = swapchains.entry(surface).or_insert_with(|| {
+        let vulkan_swapchain = swapchains.entry(surface).or_insert_with(|| {
             let mut supported = vk::Bool32::False;
             vk_check!(self.wsi.surface_fn.get_physical_device_surface_support(
                 self.physical_device,