From de66976ff0a536542a83161f0edc978bb3a2dd48 Mon Sep 17 00:00:00 2001
From: bruvzg <7645683+bruvzg@users.noreply.github.com>
Date: Thu, 22 Mar 2018 18:24:09 +0200
Subject: [PATCH] Fix dragging window from non-retina to retina display.

(cherry picked from commit 14597dc2b264c02450dfd7a04314e77d27ea7dc7)
---
 platform/osx/os_osx.mm | 1 +
 1 file changed, 1 insertion(+)

diff --git a/platform/osx/os_osx.mm b/platform/osx/os_osx.mm
index d57ba4d7357..89611498069 100644
--- a/platform/osx/os_osx.mm
+++ b/platform/osx/os_osx.mm
@@ -262,6 +262,7 @@ static Vector2 get_mouse_pos(NSEvent *event) {
 	NSWindow *window = (NSWindow *)[notification object];
 	CGFloat newBackingScaleFactor = [window backingScaleFactor];
 	CGFloat oldBackingScaleFactor = [[[notification userInfo] objectForKey:@"NSBackingPropertyOldScaleFactorKey"] doubleValue];
+	[OS_OSX::singleton->window_view setWantsBestResolutionOpenGLSurface:YES];
 
 	if (newBackingScaleFactor != oldBackingScaleFactor) {
 		//Set new display scale and window size