source: downloads/Samples/Media/DeferredShadingMedia/deferred_post_minilight.hlsl.program @ 5

// Auxilary lights
vertex_program DeferredShading/post/hlsl/LightMaterial_vs hlsl
{
        source DeferredShading/post/hlsl/LightMaterial_vs.hlsl
        target vs_1_1
        entry_point main
        default_params
        {
                param_named_auto worldViewProj worldviewproj_matrix
                param_named_auto invProj inverse_projection_matrix
                param_named_auto vpWidth viewport_width
                param_named_auto vpHeight viewport_height
        }
}
fragment_program DeferredShading/post/hlsl/LightMaterial_ps hlsl
{
        source DeferredShading/post/hlsl/LightMaterial_ps.hlsl
        target ps_2_0
        entry_point main

        default_params
        {
                param_named_auto worldView worldview_matrix
                
                param_named_auto lightDiffuseColor custom 1
                param_named_auto lightSpecularColor custom 2
                param_named_auto lightFalloff custom 3
        }
}