diff options
Diffstat (limited to 'intern/cycles/kernel/split/kernel_subsurface_scatter.h')
-rw-r--r-- | intern/cycles/kernel/split/kernel_subsurface_scatter.h | 15 |
1 files changed, 6 insertions, 9 deletions
diff --git a/intern/cycles/kernel/split/kernel_subsurface_scatter.h b/intern/cycles/kernel/split/kernel_subsurface_scatter.h index a487e53df5c..3b957856aea 100644 --- a/intern/cycles/kernel/split/kernel_subsurface_scatter.h +++ b/intern/cycles/kernel/split/kernel_subsurface_scatter.h @@ -250,20 +250,17 @@ ccl_device void kernel_subsurface_scatter(KernelGlobals *kg) #ifdef __BRANCHED_PATH__ } else if(IS_FLAG(ray_state, ray_index, RAY_BRANCHED_INDIRECT)) { - float bssrdf_probability; - ShaderClosure *sc = subsurface_scatter_pick_closure(kg, sd, &bssrdf_probability); + float bssrdf_u, bssrdf_v; + path_state_rng_2D(kg, + state, + PRNG_BSDF_U, + &bssrdf_u, &bssrdf_v); - /* modify throughput for picking bssrdf or bsdf */ - *throughput *= bssrdf_probability; + const ShaderClosure *sc = shader_bssrdf_pick(sd, throughput, &bssrdf_u); /* do bssrdf scatter step if we picked a bssrdf closure */ if(sc) { uint lcg_state = lcg_state_init_addrspace(state, 0x68bc21eb); - float bssrdf_u, bssrdf_v; - path_state_rng_2D(kg, - state, - PRNG_BSDF_U, - &bssrdf_u, &bssrdf_v); subsurface_scatter_step(kg, sd, state, |