From 8d780e0607b8f313251710639fb2642f6e733b97 Mon Sep 17 00:00:00 2001
From: Michael Lutz <michi@icosahedron.de>
Date: Sun, 14 Feb 2021 13:26:46 +0100
Subject: Add: [OSX] Automatic zoom level suggestion for Cocoa video driver.

---
 src/video/cocoa/cocoa_v.h  | 1 +
 src/video/cocoa/cocoa_v.mm | 6 ++++++
 2 files changed, 7 insertions(+)

(limited to 'src/video')

diff --git a/src/video/cocoa/cocoa_v.h b/src/video/cocoa/cocoa_v.h
index 596a9e27d..5dd3d1d1f 100644
--- a/src/video/cocoa/cocoa_v.h
+++ b/src/video/cocoa/cocoa_v.h
@@ -73,6 +73,7 @@ public:
 
 protected:
 	Dimension GetScreenSize() const override;
+	float GetDPIScale() override;
 
 private:
 	bool PollEvent();
diff --git a/src/video/cocoa/cocoa_v.mm b/src/video/cocoa/cocoa_v.mm
index c21edc7ac..4c6ce6cab 100644
--- a/src/video/cocoa/cocoa_v.mm
+++ b/src/video/cocoa/cocoa_v.mm
@@ -294,6 +294,12 @@ Dimension VideoDriver_Cocoa::GetScreenSize() const
 	return { static_cast<uint>(NSWidth(frame)), static_cast<uint>(NSHeight(frame)) };
 }
 
+/** Get DPI scale of our window. */
+float VideoDriver_Cocoa::GetDPIScale()
+{
+	return this->cocoaview != nil ? [ this->cocoaview getContentsScale ] : 1.0f;
+}
+
 /**
  * Are we in fullscreen mode?
  * @return whether fullscreen mode is currently used
-- 
cgit v1.2.3-54-g00ecf