diff options
| -rw-r--r-- | intern/cycles/kernel/closure/bsdf_microfacet.h | 12 | ||||
| -rw-r--r-- | intern/cycles/kernel/closure/bsdf_refraction.h | 5 |
2 files changed, 9 insertions, 8 deletions
diff --git a/intern/cycles/kernel/closure/bsdf_microfacet.h b/intern/cycles/kernel/closure/bsdf_microfacet.h index 9561885525f..20dced2fe00 100644 --- a/intern/cycles/kernel/closure/bsdf_microfacet.h +++ b/intern/cycles/kernel/closure/bsdf_microfacet.h @@ -591,16 +591,16 @@ ccl_device int bsdf_microfacet_ggx_sample(KernelGlobals *kg, const ShaderClosure #ifdef __RAY_DIFFERENTIALS__ float3 dRdx, dRdy, dTdx, dTdy; #endif - float m_eta = sc->data2; + float m_eta = sc->data2, fresnel; bool inside; - fresnel_dielectric(m_eta, m, I, &R, &T, + fresnel = fresnel_dielectric(m_eta, m, I, &R, &T, #ifdef __RAY_DIFFERENTIALS__ dIdx, dIdy, &dRdx, &dRdy, &dTdx, &dTdy, #endif &inside); - if(!inside) { + if(!inside && fresnel != 1.0f) { *omega_in = T; #ifdef __RAY_DIFFERENTIALS__ @@ -945,16 +945,16 @@ ccl_device int bsdf_microfacet_beckmann_sample(KernelGlobals *kg, const ShaderCl #ifdef __RAY_DIFFERENTIALS__ float3 dRdx, dRdy, dTdx, dTdy; #endif - float m_eta = sc->data2; + float m_eta = sc->data2, fresnel; bool inside; - fresnel_dielectric(m_eta, m, I, &R, &T, + fresnel = fresnel_dielectric(m_eta, m, I, &R, &T, #ifdef __RAY_DIFFERENTIALS__ dIdx, dIdy, &dRdx, &dRdy, &dTdx, &dTdy, #endif &inside); - if(!inside) { + if(!inside && fresnel != 1.0f) { *omega_in = T; #ifdef __RAY_DIFFERENTIALS__ diff --git a/intern/cycles/kernel/closure/bsdf_refraction.h b/intern/cycles/kernel/closure/bsdf_refraction.h index c96ac62fafa..02a06941afa 100644 --- a/intern/cycles/kernel/closure/bsdf_refraction.h +++ b/intern/cycles/kernel/closure/bsdf_refraction.h @@ -67,13 +67,14 @@ ccl_device int bsdf_refraction_sample(const ShaderClosure *sc, float3 Ng, float3 float3 dRdx, dRdy, dTdx, dTdy; #endif bool inside; - fresnel_dielectric(m_eta, N, I, &R, &T, + float fresnel; + fresnel = fresnel_dielectric(m_eta, N, I, &R, &T, #ifdef __RAY_DIFFERENTIALS__ dIdx, dIdy, &dRdx, &dRdy, &dTdx, &dTdy, #endif &inside); - if(!inside) { + if(!inside && fresnel != 1.0f) { /* Some high number for MIS. */ *pdf = 1e6f; *eval = make_float3(1e6f, 1e6f, 1e6f); |