buffer allocation

[demo] / src / opengl / mesh-gl.h

diff --git a/src/opengl/mesh-gl.h b/src/opengl/mesh-gl.h
index 78d415a..ca4c058 100644 (file)
--- a/src/opengl/mesh-gl.h
+++ b/src/opengl/mesh-gl.h
@@ -18,6 +18,10 @@ private:
 
        void update_vbo();
 
+       /* used by draw_normals to debug stuff: */
+       mutable unsigned int nvao;
+       mutable unsigned int nvbo;
+
 public:
        MeshGL();
        MeshGL(const MeshGL &mesh);
@@ -26,7 +30,8 @@ public:
        virtual ~MeshGL();
 
        virtual void draw() const override;
-       virtual void update_vertex_data() override;
+       virtual void draw_normals(float scale) const override;
+       virtual bool update_vertex_data() override;
 
        void destroy_vbo();
 };