From 09abaf433905d46835f5864c65fe219259381949 Mon Sep 17 00:00:00 2001
From: Manolo Gouy <Manolo>
Date: Fri, 2 Nov 2018 12:21:06 +0000
Subject: Further fix to support gl_start()/gl_finish() under MacOS platform.

git-svn-id: file:///fltk/svn/fltk/branches/branch-1.4@13109 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
---
 src/Fl_Gl_Choice.cxx | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'src')

diff --git a/src/Fl_Gl_Choice.cxx b/src/Fl_Gl_Choice.cxx
index 7aa9171b0..93967cd15 100644
--- a/src/Fl_Gl_Choice.cxx
+++ b/src/Fl_Gl_Choice.cxx
@@ -86,11 +86,13 @@ static Fl_Window* cached_window;
 
 #ifdef FL_CFG_GFX_QUARTZ
 #  include "drivers/Cocoa/Fl_Cocoa_Window_Driver.H"
+#  include "Fl_Screen_Driver.H"
 
 extern void gl_texture_reset();
 
 Fl_Gl_Choice *Fl_Cocoa_Gl_Window_Driver::find(int m, const int *alistp)
 {
+  Fl::screen_driver()->open_display(); // useful when called through gl_start()
   Fl_Gl_Choice *g = Fl_Gl_Window_Driver::find_begin(m, alistp);
   if (g) return g;
   NSOpenGLPixelFormat* fmt = Fl_Cocoa_Window_Driver::mode_to_NSOpenGLPixelFormat(m, alistp);
-- 
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