528   float cosHI = dot(Ht, omega_in);  in bsdf_microfacet_ggx_eval_transmit()  local
555   float out = G * fabsf(cosHI * cosHO) * common;  in bsdf_microfacet_ggx_eval_transmit()
556   *pdf = G1o * fabsf(cosHO * cosHI) * common;  in bsdf_microfacet_ggx_eval_transmit()
764           float cosHI = dot(m, *omega_in);  in bsdf_microfacet_ggx_sample()  local
766           float Ht2 = m_eta * cosHI + cosHO;  in bsdf_microfacet_ggx_sample()
771           float out = G1i * fabsf(cosHI * cosHO) * common;  in bsdf_microfacet_ggx_sample()
772           *pdf = cosHO * fabsf(cosHI) * common;  in bsdf_microfacet_ggx_sample()
959   float cosHI = dot(Ht, omega_in);  in bsdf_microfacet_beckmann_eval_transmit()  local
983   float out = G * fabsf(cosHI * cosHO) * common;  in bsdf_microfacet_beckmann_eval_transmit()
984   *pdf = G1o * fabsf(cosHO * cosHI) * common;  in bsdf_microfacet_beckmann_eval_transmit()
1156           float cosHI = dot(m, *omega_in);  in bsdf_microfacet_beckmann_sample()  local
1158           float Ht2 = m_eta * cosHI + cosHO;  in bsdf_microfacet_beckmann_sample()
1163           float out = G * fabsf(cosHI * cosHO) * common;  in bsdf_microfacet_beckmann_sample()
1164           *pdf = G1o * cosHO * fabsf(cosHI) * common;  in bsdf_microfacet_beckmann_sample()