Made EGLFS handle multiple surfaces with more grace.

Prevents crashing when some menu or similar is shown, although the
visual result might not be ideal.

Task-number: QTBUG-29729
Change-Id: Ia840b3ec17f5ef30ee58150bd2f807ca5e72cc12
Reviewed-by: Gunnar Sletta <gunnar.sletta@digia.com>
Reviewed-by: Andy Nichols <andy.nichols@digia.com>

1 files changed, 7 insertions, 0 deletions

diff --git a/src/plugins/platforms/eglfs/qeglfsscreen.h b/src/plugins/platforms/eglfs/qeglfsscreen.h
index 298a67cd3a..b04c85797f 100644
--- a/src/plugins/platforms/eglfs/qeglfsscreen.h
+++ b/src/plugins/platforms/eglfs/qeglfsscreen.h
@@ -69,9 +69,16 @@ public:
     QPlatformCursor *cursor() const;
 
     EGLDisplay display() const { return m_dpy; }
+    EGLSurface primarySurface() const { return m_surface; }
+
+protected:
+    void setPrimarySurface(EGLSurface surface);
 
 private:
+    friend class QEglFSWindow;
+
     EGLDisplay m_dpy;
+    EGLSurface m_surface;
     QEglFSCursor *m_cursor;
 };