[attribute]

    vec3 BaseColor;
    vec3 Normal;
    vec3 Position;

[gbuffer]

    vec3 gb_color;
    vec3 gb_normal;
    vec3 gb_position;

[attribute_to_gbuffer]

    gb_color=BaseColor;
    gb_normal=Normal;
    gb_position=Position;

[gbuffer_to_attribute]

    BaseColor   =texture(gb_color,      FragmentPosition);
    Normal      =texture(gb_normal,     FragmentPosition);
    Position    =texture(gb_position,   FragmentPosition);