vertex_program ShadowCasterVP cg
{
    source v-shadow-caster.cg
    entry_point main
    profiles arbvp1

    default_params
    {
        param_named_auto p_ModelViewProjection worldviewproj_matrix
        param_named_auto p_AmbientLight ambient_light_colour
    }
}

fragment_program ShadowCasterFP cg
{
    source f-shadow-caster.cg
    entry_point main
    profiles arbfp1
    // Store normalized (usefull to avoid overflowin) or non-normalized depth ?
    //compile_arguments -DSTORE_NORMALIZED_DEPTH

    default_params
    {
        // Only used when storing normalized depth values
        //param_named_auto p_Near near_clip_distance
        //param_named_auto p_Far far_clip_distance
        param_named p_DepthOffset float 0.01
    }
}

material ShadowCaster
{
    technique default
    {
        // Z-write only pass
        pass Z-write
        {
            vertex_program_ref ShadowCasterVP
            {
            }
            fragment_program_ref ShadowCasterFP
            {
            }
        }
    }
}

material ShadowReceiver
{
    technique default
    {
        pass lighting
        {
            texture_unit ShadowMap
            {
                tex_address_mode clamp
                filtering none
            }
        }
    }
}