diff options
| author | Brecht Van Lommel <brechtvanlommel@gmail.com> | 2017-09-09 02:37:54 +0300 |
|---|---|---|
| committer | Brecht Van Lommel <brechtvanlommel@gmail.com> | 2017-09-12 13:50:44 +0300 |
| commit | de6ecc82ed2d881d7a827c453a6bb97ce4b84a0d (patch) | |
| tree | 3f2d030c1ea1e0bbb05811df2b7bc29e4197cf91 /intern/cycles/kernel/kernel_volume.h | |
| parent | 28532f18672b1a2a8d3190f6ec1e7ec861699d66 (diff) | |
Fix rare firefly in volume equiangular sampling when sampling short distance.
Diffstat (limited to 'intern/cycles/kernel/kernel_volume.h')
| -rw-r--r-- | intern/cycles/kernel/kernel_volume.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/intern/cycles/kernel/kernel_volume.h b/intern/cycles/kernel/kernel_volume.h index 42094a9c3f8..d00714e4ed7 100644 --- a/intern/cycles/kernel/kernel_volume.h +++ b/intern/cycles/kernel/kernel_volume.h @@ -997,8 +997,8 @@ ccl_device VolumeIntegrateResult kernel_volume_decoupled_scatter( mis_weight = 2.0f*power_heuristic(pdf, distance_pdf); } } - if(sample_t < 1e-6f || pdf == 0.0f) { - return VOLUME_PATH_SCATTERED; + if(sample_t < 0.0f || pdf == 0.0f) { + return VOLUME_PATH_MISSED; } /* compute transmittance up to this step */ |