From fa26784e01addad667d11827e61b2d23c6bdcfac Mon Sep 17 00:00:00 2001
From: Stephen Seo <seo.disparate@gmail.com>
Date: Thu, 14 Mar 2024 13:19:28 +0900
Subject: [PATCH] Handle window minimization

Implemented as mentioned in the "Swap chain recreation" page in the
tutorial.
---
 src/main.rs | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/src/main.rs b/src/main.rs
index ee05a66..1da8aa5 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1529,6 +1529,19 @@ impl VulkanApp {
     }
 
     fn recreate_swap_chain(&mut self) -> Result<(), String> {
+        let mut width: i32 = 0;
+        let mut height: i32 = 0;
+        while width == 0 || height == 0 {
+            unsafe {
+                ffi::glfwGetFramebufferSize(
+                    self.window,
+                    std::ptr::addr_of_mut!(width),
+                    std::ptr::addr_of_mut!(height),
+                );
+                ffi::glfwWaitEvents();
+            }
+        }
+
         unsafe {
             ffi::vkDeviceWaitIdle(self.device);
         }