diff options
Diffstat (limited to 'intern/cycles/kernel/kernel_path_subsurface.h')
| -rw-r--r-- | intern/cycles/kernel/kernel_path_subsurface.h | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/intern/cycles/kernel/kernel_path_subsurface.h b/intern/cycles/kernel/kernel_path_subsurface.h index 619d57e71fb..1753618607a 100644 --- a/intern/cycles/kernel/kernel_path_subsurface.h +++ b/intern/cycles/kernel/kernel_path_subsurface.h @@ -32,11 +32,10 @@ bool kernel_path_subsurface_scatter( ccl_addr_space float3 *throughput, ccl_addr_space SubsurfaceIndirectRays *ss_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) { @@ -49,8 +48,6 @@ bool kernel_path_subsurface_scatter( uint lcg_state = lcg_state_init_addrspace(state, 0x68bc21eb); SubsurfaceIntersection ss_isect; - float bssrdf_u, bssrdf_v; - path_state_rng_2D(kg, state, PRNG_BSDF_U, &bssrdf_u, &bssrdf_v); int num_hits = subsurface_scatter_multi_intersect(kg, &ss_isect, sd, |