Fix misc bugs and bump version to 0.3

[grits] / src / gis-opengl.c

diff --git a/src/gis-opengl.c b/src/gis-opengl.c
index 86fba80ccee92a729767db5f3eacc147e81b3eb9..1b219904a0f1b0ea33295d6c5db776be8a1f1b47 100644 (file)
--- a/src/gis-opengl.c
+++ b/src/gis-opengl.c
@@ -370,6 +370,25 @@ void gis_opengl_set_height_func(GisOpenGL *self, GisTile *tile,
        g_list_free(triangles);
 }
 
+static void _gis_opengl_clear_height_func_rec(RoamTriangle *root)
+{
+       if (!root)
+               return;
+       RoamPoint *points[] = {root->p.l, root->p.m, root->p.r, root->split};
+       for (int i = 0; i < G_N_ELEMENTS(points); i++) {
+               points[i]->height_func = NULL;
+               points[i]->height_data = NULL;
+               roam_point_update_height(points[i]);
+       }
+       _gis_opengl_clear_height_func_rec(root->kids[0]);
+       _gis_opengl_clear_height_func_rec(root->kids[1]);
+}
+void gis_opengl_clear_height_func(GisOpenGL *self)
+{
+       for (int i = 0; i < G_N_ELEMENTS(self->sphere->roots); i++)
+               _gis_opengl_clear_height_func_rec(self->sphere->roots[i]);
+}
+
 void gis_opengl_redraw(GisOpenGL *self)
 {
        g_debug("GisOpenGL: redraw");