From 322a2f7b12bba610a70df3af90e236d0c0ef03f6 Mon Sep 17 00:00:00 2001
From: Michael Jones <michael_p_jones@apple.com>
Date: Thu, 8 Feb 2024 16:31:52 +0100
Subject: [PATCH] Cycles: Future-proof ordering of AppleGPUArchitecture enum

_No response_

Pull Request: https://projects.blender.org/blender/blender/pulls/117982
---
 intern/cycles/device/metal/util.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/intern/cycles/device/metal/util.h b/intern/cycles/device/metal/util.h
index 62b5902b1bd..96740888b66 100644
--- a/intern/cycles/device/metal/util.h
+++ b/intern/cycles/device/metal/util.h
@@ -27,11 +27,13 @@ enum MetalGPUVendor {
 };
 
 enum AppleGPUArchitecture {
-  APPLE_UNKNOWN,
   APPLE_M1,
   APPLE_M2,
   APPLE_M2_BIG,
   APPLE_M3,
+  /* Keep APPLE_UNKNOWN at the end of this enum to ensure that unknown future architectures get
+     the most recent defaults when using comparison operators. */
+  APPLE_UNKNOWN,
 };
 
 /* Contains static Metal helper functions. */