diff options
Diffstat (limited to 'intern/cycles/kernel/closure')
| -rw-r--r-- | intern/cycles/kernel/closure/bsdf_transparent.h | 29 |
1 files changed, 23 insertions, 6 deletions
diff --git a/intern/cycles/kernel/closure/bsdf_transparent.h b/intern/cycles/kernel/closure/bsdf_transparent.h index 22ca7f3847e..79ee9dc4537 100644 --- a/intern/cycles/kernel/closure/bsdf_transparent.h +++ b/intern/cycles/kernel/closure/bsdf_transparent.h @@ -35,21 +35,38 @@ CCL_NAMESPACE_BEGIN -ccl_device void bsdf_transparent_setup(ShaderData *sd, const float3 weight) +ccl_device void bsdf_transparent_setup(ShaderData *sd, const float3 weight, int path_flag) { if(sd->flag & SD_TRANSPARENT) { sd->closure_transparent_extinction += weight; + + for(int i = 0; i < sd->num_closure; i++) { + ShaderClosure *sc = &sd->closure[i]; + + if(sc->type == CLOSURE_BSDF_TRANSPARENT_ID) { + sc->weight += weight; + sc->sample_weight += fabsf(average(weight)); + break; + } + } } else { sd->flag |= SD_BSDF|SD_TRANSPARENT; sd->closure_transparent_extinction = weight; - } - ShaderClosure *bsdf = bsdf_alloc(sd, sizeof(ShaderClosure), weight); + if(path_flag & PATH_RAY_TERMINATE) { + /* In this case the number of closures is set to zero to disable + * all others, but we still want to get transparency so increase + * the number just for this. */ + sd->num_closure_left = 1; + } + + ShaderClosure *bsdf = bsdf_alloc(sd, sizeof(ShaderClosure), weight); - if(bsdf) { - bsdf->N = sd->N; - bsdf->type = CLOSURE_BSDF_TRANSPARENT_ID; + if(bsdf) { + bsdf->N = sd->N; + bsdf->type = CLOSURE_BSDF_TRANSPARENT_ID; + } } } |