diff options
Diffstat (limited to 'intern/cycles/kernel/closure/bsdf_refraction.h')
| -rw-r--r-- | intern/cycles/kernel/closure/bsdf_refraction.h | 16 |
1 files changed, 7 insertions, 9 deletions
diff --git a/intern/cycles/kernel/closure/bsdf_refraction.h b/intern/cycles/kernel/closure/bsdf_refraction.h index c4698b42060..c78a4b67134 100644 --- a/intern/cycles/kernel/closure/bsdf_refraction.h +++ b/intern/cycles/kernel/closure/bsdf_refraction.h @@ -43,10 +43,6 @@ ccl_device int bsdf_refraction_setup(ShaderClosure *sc) return SD_BSDF; } -ccl_device void bsdf_refraction_blur(ShaderClosure *sc, float roughness) -{ -} - ccl_device float3 bsdf_refraction_eval_reflect(const ShaderClosure *sc, const float3 I, const float3 omega_in, float *pdf) { return make_float3(0.0f, 0.0f, 0.0f); @@ -67,15 +63,17 @@ 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) { - *pdf = 1.0f; - *eval = make_float3(1.0f, 1.0f, 1.0f); + + if(!inside && fresnel != 1.0f) { + /* Some high number for MIS. */ + *pdf = 1e6f; + *eval = make_float3(1e6f, 1e6f, 1e6f); *omega_in = T; #ifdef __RAY_DIFFERENTIALS__ *domega_in_dx = dTdx; |