From c9fed272899906acf996bb5d0d7a42ba1442669c Mon Sep 17 00:00:00 2001
From: Alex Szpakowski <slime73@gmail.com>
Date: Sun, 4 Nov 2018 12:31:02 -0400
Subject: [PATCH] metal: fix the SDL_RENDERER_PRESENTVSYNC flag not being set
 on the renderer info on macOS, when vsync is used.

---
 src/render/metal/SDL_render_metal.m | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/render/metal/SDL_render_metal.m b/src/render/metal/SDL_render_metal.m
index a1bf36a436fc3..d5e009d040d0e 100644
--- a/src/render/metal/SDL_render_metal.m
+++ b/src/render/metal/SDL_render_metal.m
@@ -1465,6 +1465,9 @@ - (void)dealloc
 #if defined(__MACOSX__) && defined(MAC_OS_X_VERSION_10_13)
     if (@available(macOS 10.13, *)) {
         data.mtllayer.displaySyncEnabled = (flags & SDL_RENDERER_PRESENTVSYNC) != 0;
+        if (data.mtllayer.displaySyncEnabled) {
+            renderer->info.flags |= SDL_RENDERER_PRESENTVSYNC;
+        }
     } else
 #endif
     {