diff options
Diffstat (limited to 'intern/cycles/kernel/kernel_volume.h')
| -rw-r--r-- | intern/cycles/kernel/kernel_volume.h | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/intern/cycles/kernel/kernel_volume.h b/intern/cycles/kernel/kernel_volume.h index bdaba2e2e4b..d9c310a893e 100644 --- a/intern/cycles/kernel/kernel_volume.h +++ b/intern/cycles/kernel/kernel_volume.h @@ -379,9 +379,8 @@ ccl_device VolumeIntegrateResult kernel_volume_integrate_homogeneous( /* pick random color channel, we use the Veach one-sample * model with balance heuristic for the channels */ - float rphase = path_state_rng_1D(kg, state, PRNG_PHASE); + float rphase = path_state_rng_1D(kg, state, PRNG_PHASE_CHANNEL); int channel = (int)(rphase*3.0f); - sd->randb_closure = rphase*3.0f - channel; /* decide if we will hit or miss */ bool scatter = true; @@ -484,9 +483,8 @@ ccl_device VolumeIntegrateResult kernel_volume_integrate_heterogeneous_distance( /* pick random color channel, we use the Veach one-sample * model with balance heuristic for the channels */ float xi = path_state_rng_1D(kg, state, PRNG_SCATTER_DISTANCE); - float rphase = path_state_rng_1D(kg, state, PRNG_PHASE); + float rphase = path_state_rng_1D(kg, state, PRNG_PHASE_CHANNEL); int channel = (int)(rphase*3.0f); - sd->randb_closure = rphase*3.0f - channel; bool has_scatter = false; for(int i = 0; i < max_steps; i++) { @@ -843,7 +841,6 @@ ccl_device VolumeIntegrateResult kernel_volume_decoupled_scatter( /* pick random color channel, we use the Veach one-sample * model with balance heuristic for the channels */ int channel = (int)(rphase*3.0f); - sd->randb_closure = rphase*3.0f - channel; float xi = rscatter; /* probabilistic scattering decision based on transmittance */ |