From ef0fff19bdce44fd1fe3efbf89bc7589cab6a323 Mon Sep 17 00:00:00 2001
From: FunkyFr3sh <cc.red.alert.1@googlemail.com>
Date: Tue, 1 Oct 2024 20:57:02 +0200
Subject: [PATCH] don't emulate 60hz vblank if we are running at 60hz already

---
 src/dd.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/dd.c b/src/dd.c
index 54ab14c..7aa729c 100644
--- a/src/dd.c
+++ b/src/dd.c
@@ -590,6 +590,11 @@ HRESULT dd_SetDisplayMode(DWORD dwWidth, DWORD dwHeight, DWORD dwBPP, DWORD dwFl
                 g_config.fullscreen = FALSE;
             }
         }
+
+        if (g_config.maxgameticks == 0 && g_ddraw->mode.dmDisplayFrequency == 60)
+        {
+            g_config.maxgameticks == -2;
+        }
     }
 
     g_ddraw->render.width = g_config.window_rect.right;