blender
/
blender
129
397
Fork 571
Code Issues 6.2k Pull Requests 752 Projects 19 Wiki Activity

Cycles: take into account film exposure for light sampling threshold 

To avoid issues with lights being either skipped or sampled unnecessarily
when the exposure is set low or high.

Contributed by Alaska.

Differential Revision: https://developer.blender.org/D16703
This commit is contained in:
Brecht Van Lommel 2022-12-12 17:51:21 +01:00
parent 312e42708f
commit f53bd17836
Notes: blender-bot 2023-02-14 06:57:56 +01:00 
Referenced by issue #103170, Cycles: Light threshold does not update as the exposure is adjusted in viewport rendering.
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
intern/cycles/scene/integrator.cpp
View File

@ -253,7 +253,7 @@ void Integrator::device_update(Device *device, DeviceScene *dscene, Scene *scene
kintegrator->use_light_tree = scene->integrator->use_light_tree;
if (light_sampling_threshold > 0.0f) {
kintegrator->light_inv_rr_threshold = 1.0f / light_sampling_threshold;
kintegrator->light_inv_rr_threshold = scene->film->get_exposure() / light_sampling_threshold;
}
else {
kintegrator->light_inv_rr_threshold = 0.0f;