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Diffstat (limited to 'intern/cycles/kernel/kernel_shader.h')
| -rw-r--r-- | intern/cycles/kernel/kernel_shader.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/intern/cycles/kernel/kernel_shader.h b/intern/cycles/kernel/kernel_shader.h index b902230a9b9..111f3cab8ab 100644 --- a/intern/cycles/kernel/kernel_shader.h +++ b/intern/cycles/kernel/kernel_shader.h @@ -685,6 +685,27 @@ __device float3 shader_bsdf_transmission(KernelGlobals *kg, ShaderData *sd) #endif } +__device float3 shader_bsdf_subsurface(KernelGlobals *kg, ShaderData *sd) +{ +#ifdef __MULTI_CLOSURE__ + float3 eval = make_float3(0.0f, 0.0f, 0.0f); + + for(int i = 0; i< sd->num_closure; i++) { + ShaderClosure *sc = &sd->closure[i]; + + if(CLOSURE_IS_BSSRDF(sc->type)) + eval += sc->weight; + } + + return eval; +#else + if(CLOSURE_IS_BSSRDF(sd->closure.type)) + return sd->closure.weight; + else + return make_float3(0.0f, 0.0f, 0.0f); +#endif +} + __device float3 shader_bsdf_ao(KernelGlobals *kg, ShaderData *sd, float ao_factor, float3 *N) { #ifdef __MULTI_CLOSURE__ |