Files
UnrealEngineUWP/Engine/Source/Runtime/RenderCore
mihnea balta b0cc19eaa1 Fixed black lightmaps after opening the static mesh editor while using mobile preview mode.
Lightmap resources were not recreated correctly when when the feature level changed. Also, modified FRenderResource::ChangeFeatureLevel() so that it doesn't recreate resources which are already using the correct feature level.

#jira UE-79367
#rb daniel.wright
#lockdown cristina.riveron

#ROBOMERGE-SOURCE: CL 8376524 in //UE4/Release-4.23/...
#ROBOMERGE-BOT: RELEASE (Release-4.23 -> Main) (v406-8472469)

[CL 8498103 by mihnea balta in Main branch]
2019-09-04 15:56:07 -04:00
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