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-rw-r--r--indra/llinventory/llsettingssky.cpp5
1 files changed, 4 insertions, 1 deletions
diff --git a/indra/llinventory/llsettingssky.cpp b/indra/llinventory/llsettingssky.cpp
index 46a48e601f..8e801db2dc 100644
--- a/indra/llinventory/llsettingssky.cpp
+++ b/indra/llinventory/llsettingssky.cpp
@@ -1443,7 +1443,10 @@ F32 LLSettingsSky::getTotalReflectionProbeAmbiance(F32 cloud_shadow_scale) const
// without brightening dark/interior spaces
F32 probe_ambiance = getReflectionProbeAmbiance();
- probe_ambiance += (1.f - probe_ambiance) * getCloudShadow()*cloud_shadow_scale;
+ if (probe_ambiance > 0.f)
+ {
+ probe_ambiance += (1.f - probe_ambiance) * getCloudShadow() * cloud_shadow_scale;
+ }
return probe_ambiance;
}