blueprint
Enable HDR - LEVEL BP

Exposure: public
UE Version: 5.2
DamienRam

August 18, 2023, 11:21 am
You can make a BP & just place it into your project, but ideally you want this in your Level BP.
*This is more for cinematic work, as games you will want to enable/disable this in the game options.
Note add r.allowHDR = 1 to Render settings in DefaultEngine.ini if you want it permanently on. If you add it by CMD it will reset each time you restart Unreal Engine.
Display Nits = basically HDR setting, so HDR1000 = 1000, HDR300 = 300. HDR10 can do settings from 1-4000 so be very careful.
Code to copy
Begin Object Class=/Script/BlueprintGraph.K2Node_Event Name="K2Node_Event_0" ExportPath=/Script/BlueprintGraph.K2Node_Event'"/Game/Master/BP/HDR/BP_HDR.BP_HDR:EventGraph.K2Node_Event_0"'
   EventReference=(MemberParent=/Script/CoreUObject.Class'"/Script/Engine.Actor"',MemberName="ReceiveBeginPlay")
   bOverrideFunction=True
   NodePosX=368
   NodePosY=336
   bCommentBubblePinned=True
   NodeGuid=F3944AEE407FA71E413DE399CF110171
   CustomProperties Pin (PinId=BA8F57AA47F297677198D9AC0566CC3A,PinName="OutputDelegate",Direction="EGPD_Output",PinType.PinCategory="delegate",PinType.PinSubCategory="",PinType.PinSubCategoryObject=None,PinType.PinSubCategoryMemberReference=(MemberParent=/Script/CoreUObject.Class'"/Script/Engine.Actor"',MemberName="ReceiveBeginPlay"),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,PinType.bIsUObjectWrapper=False,PinType.bSerializeAsSinglePrecisionFloat=False,PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,bOrphanedPin=False,)
   CustomProperties Pin (PinId=0A01A7EF4AB1F0F30A54E79ECD24C5FB,PinName="then",Direction="EGPD_Output",PinType.PinCategory="exec",PinType.PinSubCategory="",PinType.PinSubCategoryObject=None,PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,PinType.bIsUObjectWrapper=False,PinType.bSerializeAsSinglePrecisionFloat=False,LinkedTo=(K2Node_CallFunction_0 C9A39D864C3DD7ED1BC67E86A94FA860,),PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,bOrphanedPin=False,)
End Object
Begin Object Class=/Script/UnrealEd.EdGraphNode_Comment Name="EdGraphNode_Comment_0" ExportPath=/Script/UnrealEd.EdGraphNode_Comment'"/Game/Master/BP/HDR/BP_HDR.BP_HDR:EventGraph.EdGraphNode_Comment_0"'
   bCommentBubbleVisible_InDetailsPanel=False
   NodePosX=512
   NodePosY=144
   NodeWidth=1072
   NodeHeight=96
   bCommentBubblePinned=False
   bCommentBubbleVisible=False
   NodeComment="r.allowHDR = 1\r\n\r\nNote add to Render settings in DefaultEngine.ini if you want it permently on."
   NodeGuid=99D5FA02443442C9474D70AA1CB4F9DA
End Object
Begin Object Class=/Script/BlueprintGraph.K2Node_CallFunction Name="K2Node_CallFunction_0" ExportPath=/Script/BlueprintGraph.K2Node_CallFunction'"/Game/Master/BP/HDR/BP_HDR.BP_HDR:EventGraph.K2Node_CallFunction_0"'
   FunctionReference=(MemberParent=/Script/CoreUObject.Class'"/Script/Engine.GameUserSettings"',MemberName="GetGameUserSettings")
   NodePosX=672
   NodePosY=368
   NodeGuid=9270DDFD48CA0A0C1064BDA904681841
   CustomProperties Pin (PinId=C9A39D864C3DD7ED1BC67E86A94FA860,PinName="execute",PinToolTip="\nExec",PinType.PinCategory="exec",PinType.PinSubCategory="",PinType.PinSubCategoryObject=None,PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,PinType.bIsUObjectWrapper=False,PinType.bSerializeAsSinglePrecisionFloat=False,LinkedTo=(K2Node_Event_0 0A01A7EF4AB1F0F30A54E79ECD24C5FB,),PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,bOrphanedPin=False,)
   CustomProperties Pin (PinId=41EED14148DEEEDB2A0E99AB8745CE6D,PinName="then",PinToolTip="\nExec",Direction="EGPD_Output",PinType.PinCategory="exec",PinType.PinSubCategory="",PinType.PinSubCategoryObject=None,PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,PinType.bIsUObjectWrapper=False,PinType.bSerializeAsSinglePrecisionFloat=False,LinkedTo=(K2Node_CallFunction_2 311A39E24CF660BF3505998BA8C84D38,),PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,bOrphanedPin=False,)
   CustomProperties Pin (PinId=72D6899C4B9667CF6AD197A5749D65AD,PinName="self",PinFriendlyName=NSLOCTEXT("K2Node", "Target", "Target"),PinToolTip="Target\nGame User Settings Object Reference",PinType.PinCategory="object",PinType.PinSubCategory="",PinType.PinSubCategoryObject=/Script/CoreUObject.Class'"/Script/Engine.GameUserSettings"',PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,PinType.bIsUObjectWrapper=False,PinType.bSerializeAsSinglePrecisionFloat=False,DefaultObject="/Script/Engine.Default__GameUserSettings",PersistentGuid=00000000000000000000000000000000,bHidden=True,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,bOrphanedPin=False,)
   CustomProperties Pin (PinId=AC838BC9430539BE1EFB8F92EF0B0512,PinName="ReturnValue",PinToolTip="Return Value\nGame User Settings Object Reference\n\nReturns the game local machine settings (resolution, windowing mode, scalability settings, etc...)",Direction="EGPD_Output",PinType.PinCategory="object",PinType.PinSubCategory="",PinType.PinSubCategoryObject=/Script/CoreUObject.Class'"/Script/Engine.GameUserSettings"',PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,PinType.bIsUObjectWrapper=False,PinType.bSerializeAsSinglePrecisionFloat=False,LinkedTo=(K2Node_CallFunction_1 97C0EF04420970E0F469BEBC018BEEB5,K2Node_CallFunction_2 8DDF4B774DAF68196538AA91155553C3,),PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,bOrphanedPin=False,)
End Object
Begin Object Class=/Script/BlueprintGraph.K2Node_CallFunction Name="K2Node_CallFunction_1" ExportPath=/Script/BlueprintGraph.K2Node_CallFunction'"/Game/Master/BP/HDR/BP_HDR.BP_HDR:EventGraph.K2Node_CallFunction_1"'
   bIsPureFunc=True
   bIsConstFunc=True
   FunctionReference=(MemberParent=/Script/CoreUObject.Class'"/Script/Engine.GameUserSettings"',MemberName="SupportsHDRDisplayOutput")
   NodePosX=896
   NodePosY=544
   NodeGuid=1FCD31FA46A9099CA793398DDD4DF733
   CustomProperties Pin (PinId=97C0EF04420970E0F469BEBC018BEEB5,PinName="self",PinFriendlyName=NSLOCTEXT("K2Node", "Target", "Target"),PinToolTip="Target\nGame User Settings Object Reference",PinType.PinCategory="object",PinType.PinSubCategory="",PinType.PinSubCategoryObject=/Script/CoreUObject.Class'"/Script/Engine.GameUserSettings"',PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,PinType.bIsUObjectWrapper=False,PinType.bSerializeAsSinglePrecisionFloat=False,LinkedTo=(K2Node_CallFunction_0 AC838BC9430539BE1EFB8F92EF0B0512,),PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,bOrphanedPin=False,)
   CustomProperties Pin (PinId=2DC301624EBE59BD5B70FBA3ADC44D1B,PinName="ReturnValue",PinToolTip="Return Value\nBoolean\n\nWhether the curently running system supports HDR display output",Direction="EGPD_Output",PinType.PinCategory="bool",PinType.PinSubCategory="",PinType.PinSubCategoryObject=None,PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,PinType.bIsUObjectWrapper=False,PinType.bSerializeAsSinglePrecisionFloat=False,DefaultValue="false",AutogeneratedDefaultValue="false",LinkedTo=(K2Node_CallFunction_2 DD10C8B149EA7D69617D7794AD427A7D,),PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,bOrphanedPin=False,)
End Object
Begin Object Class=/Script/BlueprintGraph.K2Node_CallFunction Name="K2Node_CallFunction_2" ExportPath=/Script/BlueprintGraph.K2Node_CallFunction'"/Game/Master/BP/HDR/BP_HDR.BP_HDR:EventGraph.K2Node_CallFunction_2"'
   FunctionReference=(MemberParent=/Script/CoreUObject.Class'"/Script/Engine.GameUserSettings"',MemberName="EnableHDRDisplayOutput")
   NodePosX=1488
   NodePosY=352
   NodeGuid=6D52488648A0D396C66E6194BCFE08BA
   CustomProperties Pin (PinId=311A39E24CF660BF3505998BA8C84D38,PinName="execute",PinType.PinCategory="exec",PinType.PinSubCategory="",PinType.PinSubCategoryObject=None,PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,PinType.bIsUObjectWrapper=False,PinType.bSerializeAsSinglePrecisionFloat=False,LinkedTo=(K2Node_CallFunction_0 41EED14148DEEEDB2A0E99AB8745CE6D,),PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,bOrphanedPin=False,)
   CustomProperties Pin (PinId=4BC1FBF9400E29F2D8FA48A9164AA048,PinName="then",Direction="EGPD_Output",PinType.PinCategory="exec",PinType.PinSubCategory="",PinType.PinSubCategoryObject=None,PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,PinType.bIsUObjectWrapper=False,PinType.bSerializeAsSinglePrecisionFloat=False,PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,bOrphanedPin=False,)
   CustomProperties Pin (PinId=8DDF4B774DAF68196538AA91155553C3,PinName="self",PinFriendlyName=NSLOCTEXT("K2Node", "Target", "Target"),PinType.PinCategory="object",PinType.PinSubCategory="",PinType.PinSubCategoryObject=/Script/CoreUObject.Class'"/Script/Engine.GameUserSettings"',PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,PinType.bIsUObjectWrapper=False,PinType.bSerializeAsSinglePrecisionFloat=False,LinkedTo=(K2Node_CallFunction_0 AC838BC9430539BE1EFB8F92EF0B0512,),PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,bOrphanedPin=False,)
   CustomProperties Pin (PinId=DD10C8B149EA7D69617D7794AD427A7D,PinName="bEnable",PinType.PinCategory="bool",PinType.PinSubCategory="",PinType.PinSubCategoryObject=None,PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,PinType.bIsUObjectWrapper=False,PinType.bSerializeAsSinglePrecisionFloat=False,DefaultValue="false",AutogeneratedDefaultValue="false",LinkedTo=(K2Node_CallFunction_1 2DC301624EBE59BD5B70FBA3ADC44D1B,),PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,bOrphanedPin=False,)
   CustomProperties Pin (PinId=39606BD74639B0F7ADF0E28C072E6E2B,PinName="DisplayNits",PinType.PinCategory="int",PinType.PinSubCategory="",PinType.PinSubCategoryObject=None,PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,PinType.bIsUObjectWrapper=False,PinType.bSerializeAsSinglePrecisionFloat=False,DefaultValue="1000",AutogeneratedDefaultValue="1000",LinkedTo=(K2Node_VariableGet_0 57640F6844A594E670BD70838EDBCB1A,),PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,bOrphanedPin=False,)
End Object
Begin Object Class=/Script/BlueprintGraph.K2Node_VariableGet Name="K2Node_VariableGet_0" ExportPath=/Script/BlueprintGraph.K2Node_VariableGet'"/Game/Master/BP/HDR/BP_HDR.BP_HDR:EventGraph.K2Node_VariableGet_0"'
   VariableReference=(MemberName="Display Nits",MemberGuid=6A3978DB4EF59026EC689BA3C2A25E19,bSelfContext=True)
   NodePosX=1296
   NodePosY=608
   NodeGuid=CD7C8F894557E470FE9030A61C5E15B3
   CustomProperties Pin (PinId=57640F6844A594E670BD70838EDBCB1A,PinName="Display Nits",Direction="EGPD_Output",PinType.PinCategory="int",PinType.PinSubCategory="",PinType.PinSubCategoryObject=None,PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,PinType.bIsUObjectWrapper=False,PinType.bSerializeAsSinglePrecisionFloat=False,DefaultValue="0",AutogeneratedDefaultValue="0",LinkedTo=(K2Node_CallFunction_2 39606BD74639B0F7ADF0E28C072E6E2B,),PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,bOrphanedPin=False,)
   CustomProperties Pin (PinId=554F34524023BBAB73C7FC98DCFFC8A8,PinName="self",PinFriendlyName=NSLOCTEXT("K2Node", "Target", "Target"),PinType.PinCategory="object",PinType.PinSubCategory="",PinType.PinSubCategoryObject=/Script/Engine.BlueprintGeneratedClass'"/Game/Master/BP/HDR/BP_HDR.BP_HDR_C"',PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,PinType.bIsUObjectWrapper=False,PinType.bSerializeAsSinglePrecisionFloat=False,PersistentGuid=00000000000000000000000000000000,bHidden=True,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,bOrphanedPin=False,)
End Object
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Code to Embed
Enable HDR - LEVEL BP

DamienRam

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