From 83de8ae5a0a0fe7972aaaeb2cdadd1fdcb7df186 Mon Sep 17 00:00:00 2001
From: "alexey.lysiuk" <alexey.lysiuk@gmail.com>
Date: Sun, 17 Mar 2019 14:43:27 +0200
Subject: [PATCH] - fixed white flash on startup with Metal-based view

---
 src/posix/cocoa/i_video.mm | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/src/posix/cocoa/i_video.mm b/src/posix/cocoa/i_video.mm
index b1334778f..2d0bb1113 100644
--- a/src/posix/cocoa/i_video.mm
+++ b/src/posix/cocoa/i_video.mm
@@ -237,11 +237,6 @@ namespace
 	m_cursor = cursor;
 }
 
--(BOOL) wantsUpdateLayer
-{
-	return YES;
-}
-
 +(Class) layerClass
 {
 	return NSClassFromString(@"CAMetalLayer");
@@ -365,7 +360,8 @@ public:
 			const NSRect contentRect = [ms_window contentRectForFrameRect:[ms_window frame]];
 
 			NSView* vulkanView = [[VulkanCocoaView alloc] initWithFrame:contentRect];
-			[vulkanView setWantsLayer:YES];
+			vulkanView.wantsLayer = YES;
+			vulkanView.layer.backgroundColor = NSColor.blackColor.CGColor;
 
 			[ms_window setContentView:vulkanView];
 		}