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Cycles: take into account film exposure for light sampling threshold

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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
1 changed files with 1 additions and 1 deletions
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2
intern/cycles/scene/integrator.cpp
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@@ -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;