From 43935dffeb7cb54a97b2a8a610c2e453743c0da9 Mon Sep 17 00:00:00 2001
From: Manolo Gouy <Manolo>
Date: Wed, 7 Dec 2016 15:09:52 +0000
Subject: Add static void Fl_Surface_Device::push_current(Fl_Surface_Device
 *new_current) and pop_current() to set/unset the current drawing surface.

git-svn-id: file:///fltk/svn/fltk/branches/branch-1.4@12140 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
---
 src/Fl_Gl_Window.cxx | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

(limited to 'src/Fl_Gl_Window.cxx')

diff --git a/src/Fl_Gl_Window.cxx b/src/Fl_Gl_Window.cxx
index 7564f1a3a..f59b69244 100644
--- a/src/Fl_Gl_Window.cxx
+++ b/src/Fl_Gl_Window.cxx
@@ -359,8 +359,7 @@ void Fl_Gl_Window::draw_overlay() {}
 */
 void Fl_Gl_Window::draw() {
 #ifdef FL_CFG_GFX_OPENGL
-  Fl_Surface_Device *prev_device = Fl_Surface_Device::surface();
-  Fl_OpenGL_Display_Device::display_device()->set_current();
+  Fl_Surface_Device::push_current( Fl_OpenGL_Display_Device::display_device() );
   glPushAttrib(GL_ENABLE_BIT);
   glDisable(GL_DEPTH_TEST);
   glPushMatrix();
@@ -375,7 +374,7 @@ void Fl_Gl_Window::draw() {
 
   glPopMatrix();
   glPushAttrib(GL_ENABLE_BIT);
-  prev_device->set_current();
+  Fl_Surface_Device::pop_current();
 #else
   Fl::fatal("Fl_Gl_Window::draw() *must* be overriden. Please refer to the documentation.");
 #endif
-- 
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