From 8124a716b085175b3d09f4492b82c55e41a689c8 Mon Sep 17 00:00:00 2001
From: Andrew Belt <andrewpbelt@gmail.com>
Date: Sun, 26 Sep 2021 08:07:05 -0400
Subject: [PATCH] Use fallback monitor refresh rate if not detected.

---
 src/window/Window.cpp | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/window/Window.cpp b/src/window/Window.cpp
index 14503ffe..ae225773 100644
--- a/src/window/Window.cpp
+++ b/src/window/Window.cpp
@@ -284,7 +284,13 @@ Window::Window() {
 	glfwMakeContextCurrent(win);
 	glfwSwapInterval(1);
 	const GLFWvidmode* monitorMode = glfwGetVideoMode(glfwGetPrimaryMonitor());
-	internal->monitorRefreshRate = monitorMode->refreshRate;
+	if (monitorMode->refreshRate > 0) {
+		internal->monitorRefreshRate = monitorMode->refreshRate;
+	}
+	else {
+		// Some monitors report 0Hz refresh rate for some reason, so as a workaround, assume 60Hz.
+		internal->monitorRefreshRate = 60;
+	}
 
 	// Set window callbacks
 	glfwSetWindowPosCallback(win, windowPosCallback);