Catch panic from Instance::preinitialized

src/vk_layer/mod.rs

@@ -165,12 +165,26 @@ pub(crate) extern "system" fn create_instance(
     // DXVK workaround, it creates the instance twice with different properties
     if ext_names.contains(&VkString::new("VK_KHR_surface")) {
         unsafe {
-            let ins = match Instance::preinitialized(
+            let panic_result =
+                match std::panic::catch_unwind(|| -> anyhow::Result<std::sync::Arc<Instance>> {
+                    Instance::preinitialized(
                         *instance,
                         proc_addr,
                         &ext_names,
                         (*(*create_info).pApplicationInfo).apiVersion,
-            ) {
+                    )
+                }) {
+                    Ok(panic_ok) => panic_ok,
+                    Err(err) => {
+                        write_log!(format!(
+                            "catched a panic from Instance::preinitialized: {:?}",
+                            err
+                        ));
+                        return VK_ERROR_INITIALIZATION_FAILED;
+                    }
+                };
+
+            let ins = match panic_result {
                 Ok(ins) => ins,
                 Err(err) => {
                     write_log!(format!("-> local instance creation failed: {:?}", err));