From 6a6b0b47a384d07bd9ede933aa0085396a604158 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Wed, 22 Oct 2025 13:35:02 +0530
Subject: [PATCH] Micro-optimize display link callback

Use a GCD block rather than a runtime selector with a boxed number
---
 glfw/cocoa_displaylink.m | 8 +++-----
 glfw/cocoa_init.m        | 7 -------
 2 files changed, 3 insertions(+), 12 deletions(-)

diff --git a/glfw/cocoa_displaylink.m b/glfw/cocoa_displaylink.m
index 3f2a1a44b..47c0b3011 100644
--- a/glfw/cocoa_displaylink.m
+++ b/glfw/cocoa_displaylink.m
@@ -84,11 +84,9 @@
         CGDirectDisplayID displayID = entry->displayID;
         if (should_dispatch) entry->pending_dispatch = true;
         os_unfair_lock_unlock(lock);
-        if (should_dispatch) {
-            NSNumber *arg = [NSNumber numberWithUnsignedInt:displayID];
-            [NSApp performSelectorOnMainThread:@selector(render_frame_received:) withObject:arg waitUntilDone:NO];
-            [arg release];
-        }
+        if (should_dispatch) dispatch_async(dispatch_get_main_queue(), ^{
+                _glfwDispatchRenderFrame(displayID);
+        });
     }
     return kCVReturnSuccess;
 }
diff --git a/glfw/cocoa_init.m b/glfw/cocoa_init.m
index b03c770b9..296949eed 100644
--- a/glfw/cocoa_init.m
+++ b/glfw/cocoa_init.m
@@ -500,7 +500,6 @@ - (void)applicationDidHide:(NSNotification *)notification
 
 @interface GLFWApplication : NSApplication
 - (void)tick_callback;
-- (void)render_frame_received:(id)displayIDAsID;
 @end
 
 @implementation GLFWApplication
@@ -509,12 +508,6 @@ - (void)tick_callback
     _glfwDispatchTickCallback();
 }
 
-- (void)render_frame_received:(id)displayIDAsID
-{
-    CGDirectDisplayID displayID = [(NSNumber*)displayIDAsID unsignedIntValue];
-    _glfwDispatchRenderFrame(displayID);
-}
-
 @end