From b86f2f735a004a66f62f70ec30aea01b828731bd Mon Sep 17 00:00:00 2001
From: Matthias Melcher <fltk@matthiasm.com>
Date: Mon, 18 Jan 2016 22:55:46 +0000
Subject: Replaced static initializer with Fl_OpenGL_Display_Device.

git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3-porting@11008 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
---
 FL/Fl.H           |  2 +-
 FL/Fl_Gl_Window.H | 24 ++++++++++++++++++++++++
 2 files changed, 25 insertions(+), 1 deletion(-)

(limited to 'FL')

diff --git a/FL/Fl.H b/FL/Fl.H
index 65dd2d706..a768a8220 100644
--- a/FL/Fl.H
+++ b/FL/Fl.H
@@ -146,7 +146,7 @@ public: // run time information about compile time configuration
   static bool cfg_gfx_gdi;    ///< GDI redering available, usually on MSWindows systems
   static bool cfg_gfx_opengl; ///< OpenGL redering available, available on many platforms
   static bool cfg_gfx_cairo;  ///< Cairo redering available, available on many platforms
-  static bool cfg_gfx_directx;///< DirectX redering available, available on many platforms
+  static bool cfg_gfx_directx;///< DirectX redering available, usually on MSWindows systems
   /** @} */
   /** \defgroup cfg_prn runtime printer driver configuration */
   /** @{ */
diff --git a/FL/Fl_Gl_Window.H b/FL/Fl_Gl_Window.H
index 18725d08b..18188589a 100644
--- a/FL/Fl_Gl_Window.H
+++ b/FL/Fl_Gl_Window.H
@@ -24,6 +24,30 @@
 
 #include "Fl_Window.H"
 
+
+// ------ this should be in a separate file! -----------------------------------
+#ifdef FL_CFG_GFX_OPENGL
+
+#include <FL/Fl_Device.h>
+
+class Fl_OpenGL_Graphics_Driver;
+/**
+ OpenGL Surface.
+ This surface is needed as an interface between GL windows and the GL graphics driver.
+ */
+class FL_EXPORT Fl_OpenGL_Display_Device : public Fl_Surface_Device {
+public:
+  static const char *class_id;
+  const char *class_name() {return class_id;};
+  Fl_OpenGL_Display_Device(Fl_OpenGL_Graphics_Driver *graphics_driver);
+  static Fl_OpenGL_Display_Device *display_device();
+};
+
+#endif
+// ------ end of separate file! ------------------------------------------------
+
+
+
 #ifndef GLContext
 /**
   Opaque pointer type to hide system specific implementation.
-- 
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