From 36ad485eddd4ef157dacd436bef32ca70f347204 Mon Sep 17 00:00:00 2001
From: "alexey.lysiuk" <alexey.lysiuk@gmail.com>
Date: Sat, 1 Apr 2017 13:16:31 +0300
Subject: [PATCH] Proper default value for GL framebuffer lock in Cocoa backend

No more error when running with +map command line parameter with classic HUD:
> VM execution aborted:  Attempt to draw to screen outside a draw function
> Called from BaseStatusBar.DrawImage [Native]
> Called from DoomStatusBar.DrawFullScreenStuff at gzdoom.pk3:zscript/statusbar/doom_sbar.txt, line 140
> Called from DoomStatusBar.Draw at gzdoom.pk3:zscript/statusbar/doom_sbar.txt, line 41
---
 src/posix/cocoa/i_video.mm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/posix/cocoa/i_video.mm b/src/posix/cocoa/i_video.mm
index 906fc413df..e11a7c7f5f 100644
--- a/src/posix/cocoa/i_video.mm
+++ b/src/posix/cocoa/i_video.mm
@@ -1146,7 +1146,7 @@ void CocoaFrameBuffer::Flip()
 
 SDLGLFB::SDLGLFB(void*, const int width, const int height, int, int, const bool fullscreen, bool bgra)
 : DFrameBuffer(width, height, bgra)
-, m_lock(-1)
+, m_lock(0)
 , m_isUpdatePending(false)
 {
 	CGGammaValue gammaTable[GAMMA_TABLE_SIZE];