1 files changed, 11 insertions, 1 deletions
diff --git a/zoomedit.cpp b/zoomedit.cpp
index 37b6159..580e224 100644
--- a/zoomedit.cpp
+++ b/zoomedit.cpp
@@ -1,4 +1,5 @@
 #include <gtk/gtk.h>
+#include <gtk/gtkgl.h>
 #include <stdlib.h>
 #include "Level.h"
 #include "window.h"
@@ -6,13 +7,22 @@
 
 
 int main(int argc, char *argv[]) {
+  GdkGLConfig *glconfig;
   GtkWidget *window;
   
   setLevel(new Level());
   
   gtk_init(&argc, &argv);
+  gtk_gl_init(&argc, &argv);
   
-  window = createMainWindow();
+  glconfig = gdk_gl_config_new_by_mode((GdkGLConfigMode)(GDK_GL_MODE_RGB | GDK_GL_MODE_DOUBLE));
+  if(!glconfig) glconfig = gdk_gl_config_new_by_mode(GDK_GL_MODE_RGB);
+  if(!glconfig) {
+    g_print ("*** No appropriate OpenGL-capable visual found.\n");
+    exit (1);
+  }
+  
+  window = createMainWindow(glconfig);
   
   gtk_widget_show(window);