diff options
Diffstat (limited to 'intern/cycles/kernel/kernel_volume.h')
-rw-r--r-- | intern/cycles/kernel/kernel_volume.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/intern/cycles/kernel/kernel_volume.h b/intern/cycles/kernel/kernel_volume.h index 1df50504434..44c8f795d2c 100644 --- a/intern/cycles/kernel/kernel_volume.h +++ b/intern/cycles/kernel/kernel_volume.h @@ -486,6 +486,9 @@ ccl_device VolumeIntegrateResult kernel_volume_integrate_homogeneous( float3 transmittance = volume_color_transmittance(coeff.sigma_t, t); new_tp = *throughput * transmittance; } + else { + new_tp = *throughput; + } /* integrate emission attenuated by extinction */ if(L && (closure_flag & SD_EMISSION)) { @@ -607,6 +610,9 @@ ccl_device VolumeIntegrateResult kernel_volume_integrate_heterogeneous_distance( transmittance = volume_color_transmittance(coeff.sigma_t, dt); new_tp = tp * transmittance; } + else { + new_tp = tp; + } /* integrate emission attenuated by absorption */ if(L && (closure_flag & SD_EMISSION)) { |