GisTile: use g_object_unref instead of g_free

[grits] / src / gis-opengl.c

diff --git a/src/gis-opengl.c b/src/gis-opengl.c
index d85b70bfe05a3c05b91306490563e1eb8cf2d5ce..65821d74038872e2f04d09d51d3dd77466b88e25 100644 (file)
--- a/src/gis-opengl.c
+++ b/src/gis-opengl.c
@@ -394,6 +394,7 @@ static gboolean on_expose(GisOpenGL *self, GdkEventExpose *event, gpointer _)
 #else
        g_tree_foreach(self->objects, _draw_level, self);
        if (self->wireframe) {
+               glClear(GL_DEPTH_BUFFER_BIT);
                glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
                roam_sphere_draw(self->sphere);
        }