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b66139e721
Primary Components:
DDC2 texture build input/output revamped to support future FDerivedData references where the bulk data remains in the Zen server during cooks.
Tiling code is separated out in to ITextureTiler interface so that tiling can be done without calling FChildTextureFormat::CompressImage[Ex]
Adding mip dimensions to GetMipCountForBuildSettings
#rb fabian.giesen, zousar.shaker
#preflight 6304f87f516bef57ffada18d
[CL 21511157 by Dan Thompson in ue5-main branch]
59 lines
2.1 KiB
C++
59 lines
2.1 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "CoreTypes.h"
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#include "DerivedDataBuildFunction.h"
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#include "DerivedDataBuildVersion.h"
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#include "DerivedDataCacheKey.h"
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#include "DerivedDataSharedString.h"
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#include "Misc/Guid.h"
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class ITextureFormat;
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class ITextureTiler;
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namespace UE { namespace DerivedData { class FBuildVersionBuilder; } }
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class FTextureBuildFunction : public UE::DerivedData::IBuildFunction
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{
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public:
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TEXTUREBUILD_API virtual FGuid GetVersion() const final;
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TEXTUREBUILD_API virtual void Configure(UE::DerivedData::FBuildConfigContext& Context) const override;
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TEXTUREBUILD_API virtual void Build(UE::DerivedData::FBuildContext& Context) const override;
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protected:
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virtual void GetVersion(UE::DerivedData::FBuildVersionBuilder& Builder, ITextureFormat*& OutTextureFormatVersioning) const = 0;
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};
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/**
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* This function does the meat of breaking out the inputs from the build context and handing them
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* to the tiler, then packing them back up for the build process.
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*/
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TEXTUREBUILD_API void GenericTextureTilingBuildFunction(UE::DerivedData::FBuildContext& Context, const ITextureTiler* Tiler);
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/**
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* This build function expects an implementation of ITextureTiler as its template
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* and looks a bit awkward because IBuildFunction is required to not have any state,
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* so we can't put the instance of the ITextureTiler on our object - hence the odd
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* statics.
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*/
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template <class ITextureTilerObject>
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class FGenericTextureTilingBuildFunction : public UE::DerivedData::IBuildFunction
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{
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virtual void Build(UE::DerivedData::FBuildContext& Context) const
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{
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ITextureTilerObject Tiler;
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GenericTextureTilingBuildFunction(Context, &Tiler);
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}
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virtual void Configure(UE::DerivedData::FBuildConfigContext& Context) const
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{
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Context.SetCacheBucket(UE::DerivedData::FCacheBucket(UTF8TEXTVIEW("TiledTextures")));
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}
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virtual FGuid GetVersion() const final { return ITextureTilerObject::GetBuildFunctionVersionGuid(); }
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const UE::DerivedData::FUtf8SharedString& GetName() const final
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{
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static UE::DerivedData::FUtf8SharedString Name(ITextureTilerObject::GetBuildFunctionNameStatic());
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return Name;
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}
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};
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