From d7a1a353393bbe1e7465afd91af9cb74a9d63581 Mon Sep 17 00:00:00 2001
From: cutealien <cutealien@dfc29bdd-3216-0410-991c-e03cc46cb475>
Date: Thu, 16 Jul 2020 17:24:18 +0000
Subject: [PATCH] Fix MacOS 10.15 only rendering to quarter of window. Thanks
 @bridgeco for the patch:
 http://irrlicht.sourceforge.net/forum/viewtopic.php?f=7&t=52644

git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@6132 dfc29bdd-3216-0410-991c-e03cc46cb475
---
 source/Irrlicht/CIrrDeviceOSX.mm | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/source/Irrlicht/CIrrDeviceOSX.mm b/source/Irrlicht/CIrrDeviceOSX.mm
index d11a47e1..937fe21d 100644
--- a/source/Irrlicht/CIrrDeviceOSX.mm
+++ b/source/Irrlicht/CIrrDeviceOSX.mm
@@ -862,10 +862,16 @@ void CIrrDeviceMacOSX::createDriver()
                     os::Printer::log("Could not create OpenGL driver.", ELL_ERROR);
                 }
                 
-                if (Window)
-                    [(NSOpenGLContext*)ContextManager->getContext().OpenGLOSX.Context setView:[Window contentView]];
-                else
-                    [(NSOpenGLContext*)ContextManager->getContext().OpenGLOSX.Context setView:(NSView*)CreationParams.WindowId];
+				if (Window) 
+				{
+					[[Window contentView] setWantsBestResolutionOpenGLSurface:NO];
+					[(NSOpenGLContext*)ContextManager->getContext().OpenGLOSX.Context setView:[Window contentView]];
+				}
+				else 
+				{
+					[(NSView*)CreationParams.WindowId setWantsBestResolutionOpenGLSurface:NO];
+					[(NSOpenGLContext*)ContextManager->getContext().OpenGLOSX.Context setView:(NSView*)CreationParams.WindowId];
+				}
 
 #ifndef __MAC_10_6
                 CGLContextObj CGLContext = (CGLContextObj)[(NSOpenGLContext*)ContextManager->getContext().OpenGLOSX.Context CGLContextObj];