From 52ee83e7e80d9e3dcfca6a73652246e42b24d274 Mon Sep 17 00:00:00 2001
From: ira <JustTheCoolDude@gmail.com>
Date: Mon, 10 Apr 2023 22:41:32 +0200
Subject: [PATCH] Fix viewport change detection (#8323)

# Objective

Fix #8321

## Solution

The `old_viewport_size` that is used to detect whether the viewport has
changed was not being updated and thus always `None`.
---
 crates/bevy_render/src/camera/camera.rs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/crates/bevy_render/src/camera/camera.rs b/crates/bevy_render/src/camera/camera.rs
index a2cbc1dfbf..851783a3f1 100644
--- a/crates/bevy_render/src/camera/camera.rs
+++ b/crates/bevy_render/src/camera/camera.rs
@@ -555,6 +555,10 @@ pub fn camera_system<T: CameraProjection + Component>(
                 }
             }
         }
+
+        if camera.computed.old_viewport_size != viewport_size {
+            camera.computed.old_viewport_size = viewport_size;
+        }
     }
 }