RenderingObjectVersion.h

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// Copyright Epic Games, Inc. All Rights Reserved.
#pragma once
 
#include "CoreTypes.h"
#include "Misc/Guid.h"
 
// Custom serialization version for changes made in Dev-Rendering stream
struct FRenderingObjectVersion
{
    enum Type
    {
        // Before any version changes were made
        BeforeCustomVersionWasAdded = 0,
 
        // Added support for 3 band SH in the ILC
        IndirectLightingCache3BandSupport,
 
        // Allows specifying resolution for reflection capture probes
        CustomReflectionCaptureResolutionSupport,
 
        RemovedTextureStreamingLevelData,
 
        // translucency is now a property which matters for materials with the decal domain
        IntroducedMeshDecals,
 
        // Reflection captures are no longer prenormalized
        ReflectionCapturesStoreAverageBrightness,
 
        ChangedPlanarReflectionFadeDefaults,
 
        RemovedRenderTargetSize,
 
        // Particle Cutout (SubUVAnimation) data is now stored in the ParticleRequired Module
        MovedParticleCutoutsToRequiredModule,
 
        MapBuildDataSeparatePackage,
 
        // StaticMesh and SkeletalMesh texcoord size data.
        TextureStreamingMeshUVChannelData,
        
        // Added type handling to material normalize and length (sqrt) nodes
        TypeHandlingForMaterialSqrtNodes,
 
        FixedBSPLightmaps,
 
        DistanceFieldSelfShadowBias,
 
        FixedLegacyMaterialAttributeNodeTypes,
 
        ShaderResourceCodeSharing,
 
        MotionBlurAndTAASupportInSceneCapture2d,
 
        AddedTextureRenderTargetFormats,
 
        // Triggers a rebuild of the mesh UV density while also adding an update in the postedit
        FixedMeshUVDensity,
 
        AddedbUseShowOnlyList,
 
        VolumetricLightmaps,
 
        MaterialAttributeLayerParameters,
 
        StoreReflectionCaptureBrightnessForCooking,
 
        // FModelVertexBuffer does serialize a regular TArray instead of a TResourceArray
        ModelVertexBufferSerialization,
 
        ReplaceLightAsIfStatic,
 
        // Added per FShaderType permutation id.
        ShaderPermutationId,
 
        // Changed normal precision in imported data
        IncreaseNormalPrecision,
 
        VirtualTexturedLightmaps,
 
        GeometryCacheFastDecoder,
 
        LightmapHasShadowmapData,
 
        // Removed old gaussian and bokeh DOF methods from deferred shading renderer.
        DiaphragmDOFOnlyForDeferredShadingRenderer,
 
        // Lightmaps replace ULightMapVirtualTexture (non-UTexture derived class) with ULightMapVirtualTexture2D (derived from UTexture)
        VirtualTexturedLightmapsV2,
 
        SkyAtmosphereStaticLightingVersioning,
 
        // UTextureRenderTarget2D now explicitly allows users to create sRGB or non-sRGB type targets
        ExplicitSRGBSetting,
 
        VolumetricLightmapStreaming,
 
        //ShaderModel4 support removed from engine
        RemovedSM4,
 
        // Deterministic ShaderMapID serialization
        MaterialShaderMapIdSerialization,
 
        // Add force opaque flag for static mesh
        StaticMeshSectionForceOpaqueField,
 
        // Add force opaque flag for static mesh
        AutoExposureChanges,
 
        // Removed emulated instancing from instanced static meshes
        RemovedEmulatedInstancing,
 
        // Added per instance custom data (for Instanced Static Meshes)
        PerInstanceCustomData,
 
        // Added material attributes to shader graph to support anisotropic materials 
        AnisotropicMaterial,
 
        // Add if anything has changed in the exposure, override the bias to avoid the new default propagating
        AutoExposureForceOverrideBiasFlag,
 
        // Override for a special case for objects that were serialized and deserialized between versions AutoExposureChanges and AutoExposureForceOverrideBiasFlag
        AutoExposureDefaultFix,
 
        // Remap Volume Extinction material input to RGB
        VolumeExtinctionBecomesRGB,
 
        // Add a new virtual texture to support virtual texture light map on mobile
        VirtualTexturedLightmapsV3,
 
        // Added fallback target modes including auto to Nanite builder
        NaniteFallbackTarget,
 
        // Added support to force Nanite material usage if Nanite mesh builders are also forced.
        NaniteForceMaterialUsage,
 
        // Custom material expression includes are now serialized & used for DDC key generation
        AddedMaterialExpressionIncludesHash,
 
        // Do not serialize deprecated high res source mesh
        DeprecatedHighResSourceMesh,
 
        // -----<new versions can be added above this line>-------------------------------------------------
        VersionPlusOne,
        LatestVersion = VersionPlusOne - 1
    };
 
    // The GUID for this custom version number
    CORE_API const static FGuid GUID;
 
private:
    FRenderingObjectVersion() {}
};