daren cheng a82b866b00 Add support for layered Slate Post RT processing ...

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Add PostBufferUpdate widget which can be used to trigger an update to the Slate Post RT when it "draws"
Updated Post RT will contain Scene + All UI drawn at that time & also be processed by provided processor.
Updated ICustomSlateElement interface to support draw context params.

#rb Patrick.Boutot
#jira UE-199609

[CL 29892909 by daren cheng in ue5-main branch]

2023-11-22 13:45:14 -05:00

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SGraphNodeMaterialBase.cpp

Add support for layered Slate Post RT processing

2023-11-22 13:45:14 -05:00

SGraphNodeMaterialComment.cpp

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SGraphNodeMaterialComment.h

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SGraphNodeMaterialComposite.cpp

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SGraphNodeMaterialCustom.cpp

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SGraphNodeMaterialResult.cpp

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SGraphSubstrateMaterial.cpp

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