From e2296ba010100d007a081e0faac8066adbeb7137 Mon Sep 17 00:00:00 2001
From: Tom Cooksey <thomas.cooksey@nokia.com>
Date: Fri, 2 Oct 2009 11:13:30 +0200
Subject: Stop QEglContext destroying contexts it doesn't own

Reviewed-By: Rhys Weatherley
---
 src/gui/egl/qegl.cpp | 3 ++-
 src/gui/egl/qegl_p.h | 3 ++-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/gui/egl/qegl.cpp b/src/gui/egl/qegl.cpp
index 840b9d6..39291d3 100644
--- a/src/gui/egl/qegl.cpp
+++ b/src/gui/egl/qegl.cpp
@@ -61,6 +61,7 @@ QEglContext::QEglContext()
     , cfg(0)
     , currentSurface(EGL_NO_SURFACE)
     , current(false)
+    , ownsContext(true)
 {
 }
 
@@ -206,7 +207,7 @@ void QEglContext::destroySurface(EGLSurface surface)
 // Destroy the context.  Note: this does not destroy the surface.
 void QEglContext::destroy()
 {
-    if (ctx != EGL_NO_CONTEXT)
+    if (ctx != EGL_NO_CONTEXT && ownsContext)
         eglDestroyContext(dpy, ctx);
     dpy = EGL_NO_DISPLAY;
     ctx = EGL_NO_CONTEXT;
diff --git a/src/gui/egl/qegl_p.h b/src/gui/egl/qegl_p.h
index dc399da..16b5b16 100644
--- a/src/gui/egl/qegl_p.h
+++ b/src/gui/egl/qegl_p.h
@@ -110,7 +110,7 @@ public:
     EGLDisplay display() const { return dpy; }
 
     EGLContext context() const { return ctx; }
-    void setContext(EGLContext context) { ctx = context; }
+    void setContext(EGLContext context) { ctx = context; ownsContext = false;}
 
     EGLConfig config() const { return cfg; }
     void setConfig(EGLConfig config) { cfg = config; }
@@ -131,6 +131,7 @@ private:
     EGLConfig cfg;
     EGLSurface currentSurface;
     bool current;
+    bool ownsContext;
 
     static EGLDisplay getDisplay(QPaintDevice *device);
 
-- 
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