lit.apply_bwd

Description

Legacy lighting function (obsolete).

Signature

Tuple<vector<float, 4>, __syn_BackwardDiffMinimalContextType__S4core10__lit_implp3pi_fi_fi_fv4fb> lit.apply_bwd(
    float ,
    float ,
    float );

Parameters

Return value

The lighting coefficients, (ambient, diffuse, specular, 1.0).

Remarks

In HLSL, this function is implemented as an intrinsic. It is emulated for other targets.