From 20adaa7b66db8aa6c9458828fb61ea25faebf369 Mon Sep 17 00:00:00 2001
From: Mitchell Hashimoto <mitchell.hashimoto@gmail.com>
Date: Mon, 31 Oct 2022 10:25:49 -0700
Subject: [PATCH] metal: disable v-sync

---
 src/renderer/Metal.zig | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/renderer/Metal.zig b/src/renderer/Metal.zig
index a307ac826..0d763cc88 100644
--- a/src/renderer/Metal.zig
+++ b/src/renderer/Metal.zig
@@ -136,6 +136,10 @@ pub fn init(alloc: Allocator, font_group: *font.GroupCache) !Metal {
         const swapchain = CAMetalLayer.msgSend(objc.Object, objc.sel("layer"), .{});
         swapchain.setProperty("device", device.value);
         swapchain.setProperty("opaque", true);
+
+        // disable v-sync
+        swapchain.setProperty("displaySyncEnabled", false);
+
         break :swapchain swapchain;
     };