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#rb fabian.giesen #jira UE-183751 #preflight 645d2b79ea1c7ba4d6b744d7 [CL 25438535 by dan thompson in ue5-main branch]
82 lines
3.0 KiB
C++
82 lines
3.0 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "CoreMinimal.h"
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#include "ImageCore.h"
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#include "Interfaces/ITextureFormat.h"
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struct FTextureBuildSettings;
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/***
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TextureBuildUtilities is a utility module for shared code that Engine and TextureBuildWorker (no Engine) can both see
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for Texture-related functions that don't need Texture.h/UTexture
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TextureBuildUtilities is hard-linked to the Engine so no LoadModule/ModuleInterface is needed
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***/
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namespace UE
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{
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namespace TextureBuildUtilities
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{
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namespace EncodedTextureExtendedData
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{
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TEXTUREBUILDUTILITIES_API FCbObject ToCompactBinary(const FEncodedTextureExtendedData& InExtendedData);
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TEXTUREBUILDUTILITIES_API bool FromCompactBinary(FEncodedTextureExtendedData& OutExtendedData, FCbObject InCbObject);
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}
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namespace EncodedTextureDescription
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{
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TEXTUREBUILDUTILITIES_API FCbObject ToCompactBinary(const FEncodedTextureDescription& InDescription);
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TEXTUREBUILDUTILITIES_API bool FromCompactBinary(FEncodedTextureDescription& OutDescription, FCbObject InCbObject);
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}
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namespace TextureEngineParameters
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{
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TEXTUREBUILDUTILITIES_API FCbObject ToCompactBinaryWithDefaults(const FTextureEngineParameters& InEngineParameters);
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TEXTUREBUILDUTILITIES_API bool FromCompactBinary(FTextureEngineParameters& OutEngineParameters, FCbObject InCbObject);
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}
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// Carries information out of the build that we don't want to cook or save off in the runtime
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struct TEXTUREBUILDUTILITIES_API FTextureBuildMetadata
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{
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// Whether or not the first mip level of the source has alpha detected. This is used e.g.
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// picking between BC1 and BC3
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bool bSourceMipsAlphaDetected = false;
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// Digests of the data at various processing stages so we can track down determinism issues
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// that arise.
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uint64 PreEncodeMipsHash = 0;
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FCbObject ToCompactBinaryWithDefaults() const;
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FTextureBuildMetadata(FCbObject InCbObject);
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FTextureBuildMetadata() = default;
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};
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TEXTUREBUILDUTILITIES_API bool TextureFormatIsHdr(FName const& InName);
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// Removes platform and other custom prefixes from the name.
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// Returns plain format name and the non-platform prefix (with trailing underscore).
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// i.e. PLAT_BLAH_AutoDXT returns AutoDXT and writes BLAH_ to OutPrefix.
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TEXTUREBUILDUTILITIES_API const FName TextureFormatRemovePrefixFromName(FName const& InName, FName& OutPrefix);
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// removes platform prefix but leaves other custom prefixes :
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TEXTUREBUILDUTILITIES_API const FName TextureFormatRemovePlatformPrefixFromName(FName const& InName);
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FORCEINLINE const FName TextureFormatRemovePrefixFromName(FName const& InName)
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{
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FName OutPrefix;
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return TextureFormatRemovePrefixFromName(InName,OutPrefix);
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}
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// Get the format to use for output of the VT Intermediate stage, cutting into tiles and processing
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// the next step will then encode from this format to the desired output format
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TEXTUREBUILDUTILITIES_API ERawImageFormat::Type GetVirtualTextureBuildIntermediateFormat(const FTextureBuildSettings& BuildSettings);
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} // namespace TextureBuildUtilities
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} // namespace UE
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