<shaders>
    <shader type="vs">
        <option name="Ortho" define="ORTHO" />
        <option name="Dir" define="DIRLIGHT" />
    </shader>
    <shader type="ps">
        <option name="Ortho" define="ORTHO" />
        <variation name="Dir" define="DIRLIGHT" />
        <variation name="Spot" define="SPOTLIGHT" />
        <variation name="Point" define="POINTLIGHT" />
        <option name="Mask" define="CUBEMASK" require="POINTLIGHT" />
        <option name="Spec" define="SPECULAR" />
        <option name="Shadow" define="SHADOW" />
        <option name="LQ" define="LQSHADOW" />
    </shader>
</shaders>
