From ccf6c28b02b0d6d140000391a8d440af8a977406 Mon Sep 17 00:00:00 2001
From: Wojtek Figat <wojtek@figat.pl>
Date: Sun, 22 Oct 2023 19:55:20 +0200
Subject: [PATCH] Add interval to Apple autoreleasepool

---
 .../Engine/Platform/Apple/ApplePlatform.cpp   | 20 +++++++++++++------
 1 file changed, 14 insertions(+), 6 deletions(-)

diff --git a/Source/Engine/Platform/Apple/ApplePlatform.cpp b/Source/Engine/Platform/Apple/ApplePlatform.cpp
index 523f3b561..d4348b107 100644
--- a/Source/Engine/Platform/Apple/ApplePlatform.cpp
+++ b/Source/Engine/Platform/Apple/ApplePlatform.cpp
@@ -48,6 +48,7 @@ CPUInfo Cpu;
 String UserLocale;
 double SecondsPerCycle;
 NSAutoreleasePool* AutoreleasePool = nullptr;
+int32 AutoreleasePoolInterval = 0;
 
 float ApplePlatform::ScreenScale = 1.0f;
 
@@ -359,9 +360,13 @@ bool ApplePlatform::Init()
 
 void ApplePlatform::Tick()
 {
-    // TODO: do it once every X fames
-    [AutoreleasePool drain];
-    AutoreleasePool = [[NSAutoreleasePool alloc] init];
+    AutoreleasePoolInterval++;
+    if (AutoreleasePoolInterval >= 60)
+    {
+        AutoreleasePoolInterval = 0;
+        [AutoreleasePool drain];
+        AutoreleasePool = [[NSAutoreleasePool alloc] init];
+    }
 }
 
 void ApplePlatform::BeforeExit()
@@ -370,6 +375,11 @@ void ApplePlatform::BeforeExit()
 
 void ApplePlatform::Exit()
 {
+    if (AutoreleasePool)
+    {
+        [AutoreleasePool drain];
+        AutoreleasePool = nullptr;
+    }
 }
 
 void ApplePlatform::SetHighDpiAwarenessEnabled(bool enable)
@@ -396,9 +406,7 @@ bool ApplePlatform::GetHasFocus()
 		if (window->IsFocused())
 			return true;
 	}
-
-	// Default to true if has no windows open
-    return WindowsManager::Windows.IsEmpty();
+    return false;
 }
 
 void ApplePlatform::CreateGuid(Guid& result)