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GtkGLArea: Always destroy context on unrealize

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We had some code that tried to reuse the context over realize, but
that doesn't work as we need to share with the possibly new
paint context of the re-realized window.
This commit is contained in:
Alexander Larsson
2014-10-30 12:08:31 +01:00
parent 5f14630b76
commit ad30262fef
1 changed files with 4 additions and 13 deletions
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17
gtk/gtkglarea.c
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@ -247,7 +247,10 @@ gtk_gl_area_unrealize (GtkWidget *widget)
else
g_warning ("can't free framebuffer");
gdk_gl_context_clear_current ();
/* Make sure to destroy if current */
g_object_run_dispose (G_OBJECT (priv->context));
g_object_unref (priv->context);
priv->context = NULL;
}
g_clear_error (&priv->error);
@ -379,24 +382,12 @@ gtk_gl_area_draw (GtkWidget *widget,
return TRUE;
}
static void
gtk_gl_area_screen_changed (GtkWidget *widget,
GdkScreen *old_screen)
{
GtkGLArea *self = GTK_GL_AREA (widget);
GtkGLAreaPrivate *priv = gtk_gl_area_get_instance_private (self);
/* this will cause the context to be recreated on realize */
g_clear_object (&priv->context);
}
static void
gtk_gl_area_class_init (GtkGLAreaClass *klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
widget_class->screen_changed = gtk_gl_area_screen_changed;
widget_class->realize = gtk_gl_area_realize;
widget_class->unrealize = gtk_gl_area_unrealize;
widget_class->size_allocate = gtk_gl_area_size_allocate;