From a58a2ed9fb724ec54053f4ca5b22d2b7db523ada Mon Sep 17 00:00:00 2001
From: Manolo Gouy <Manolo>
Date: Sat, 26 Mar 2011 14:37:28 +0000
Subject: Mac OS: Fixed bug where gl_draw() would fail after deletion of an
 Fl_GL_Window. The fix invalidates the pile of string textures after each
 Fl_Gl_Window deletion.

git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3@8536 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
---
 src/Fl_Gl_Window.cxx | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'src/Fl_Gl_Window.cxx')

diff --git a/src/Fl_Gl_Window.cxx b/src/Fl_Gl_Window.cxx
index 52bf72bad..2730787d2 100644
--- a/src/Fl_Gl_Window.cxx
+++ b/src/Fl_Gl_Window.cxx
@@ -34,6 +34,9 @@ static int temp = fl_gl_load_plugin;
 
 #include <FL/Fl.H>
 #include <FL/x.H>
+#ifdef __APPLE__
+#include <FL/gl.H>
+#endif
 #include "Fl_Gl_Choice.H"
 #include <FL/Fl_Gl_Window.H>
 #include <stdlib.h>
@@ -469,6 +472,10 @@ void Fl_Gl_Window::hide() {
 Fl_Gl_Window::~Fl_Gl_Window() {
   hide();
 //  delete overlay; this is done by ~Fl_Group
+#ifdef __APPLE__
+  // resets the pile of string textures used to draw strings
+  gl_texture_pile_height(gl_texture_pile_height());
+#endif
 }
 
 void Fl_Gl_Window::init() {
-- 
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