k3d/share/shaders/k3d_skin1.sl:137:color subsurfaceSkin(vector Vf; normal Nn; color skinColor, sheenColor;
k3d/share/shaders/k3d_skin1.sl:143:  vector T = efresnel(-Vf, Nn, eta, Kr, Kt);
k3d/share/shaders/k3d_skin1.sl:148:      vector H = normalize(Ln + Vf);
k3d/share/shaders/k3d_skin1.sl:197:  vector Vf = -normalize(I);
k3d/share/shaders/k3d_skin1.sl:264:  lc =  subsurfaceSkin(Vf, Nf, blemishcol, Csheen, 1/eta, thickness);
k3d/share/shaders/k3d_skin1.sl:283:  lc = LocIllumWardAnisotropic(Nf,Vf,anisoDir,xroughness,yroughness);
k3d/share/shaders/k3d_skin2.sl:63:color subsurfaceSkin(vector Vf; normal Nn; color skinColor, sheenColor;
k3d/share/shaders/k3d_skin2.sl:69:	vector T = efresnel(-Vf, Nn, eta, Kr, Kt);
k3d/share/shaders/k3d_skin2.sl:74:	    vector H = normalize(Ln + Vf);
k3d/share/shaders/k3d_skin2.sl:95:	vector Vf = -normalize(I);
k3d/share/shaders/k3d_skin2.sl:98:	Ci = Os * subsurfaceSkin(Vf, Nn, Cs, sheenColor, eta, thickness);
