FTextureBuildSettings


Module	TextureCompressor
Header	/Engine/Source/Developer/TextureCompressor/Public/TextureCompressorModule.h
Include	#include "TextureCompressorModule.h"

Type	Name	Description
FVector4f	AlphaCoverageThresholds	Channel values to compare to when preserving alpha coverage.
bool	bAffectedBySharedLinearEncoding	If shared linear is enabled at all and this texture in involved with that at all then we set this so we can segregate the derived data keys.
uint32: 1	bApplyKernelToTopMip	1:apply mip sharpening/blurring kernel to top mip as well (at half the kernel size), 0:don't
uint32: 1	bApplyYCoCgBlockScale	Calculate and apply a scale for YCoCg textures.
FName	BaseTextureFormatName	If we have a child format, this is the base format (i.e. will have the platform prefix removed).
uint32: 1	bBorderColorBlack	Whether the border color should be black.
uint32: 1	bChromaKeyTexture	Whether to chroma key the image, replacing any pixels that match ChromaKeyColor with transparent black
uint32: 1	bComputeBokehAlpha	Whether bokeh alpha values should be computed for the texture.
uint32: 1	bCubemap	Whether the texture being built is a cubemap.
bool	bDoScaleMipsForAlphaCoverage	Enable preserving alpha coverage.
uint32: 1	bDownsampleWithAverage	Whether each mip should use the downsampled-with-average result instead of the sharpened result.
uint32: 1	bFlipGreenChannel	Whether the green channel should be flipped. Typically only done on normal maps.
uint32: 1	bForceAlphaChannel	Whether we should not discard the alpha channel when it contains 1 for the entire texture.
uint32: 1	bForceNoAlphaChannel	Whether we should discard the alpha channel even if it contains non-zero values in the pixel data.
bool	bHasColorSpaceDefinition	Whether the texture has a defined source color space.
bool	bHDRSource	Whether the texture being built contains HDR source data
uint32: 1	bLongLatSource	Whether the texture being built from long/lat source to cubemap.
FVector2f	BlueChromaticityCoordinate	Blue chromaticity coordinate of the source color space.
bool	bNormalizeNormals	Normalize normals after mip gen, before compression
bool	bOodleUsesRDO
uint32: 1	bPreserveBorder	Whether the border of the image should be maintained during mipmap generation.
uint32: 1	bRenormalizeTopMip	1: renormalizes the top mip (only useful for normal maps, prevents artists errors and adds quality) 0:don't
uint32: 1	bReplicateAlpha	Whether the contents of the alpha channel should be replicated to all channels.
uint32: 1	bReplicateRed	Whether the contents of the red channel should be replicated to all channels.
uint32: 1	bSharpenWithoutColorShift	Whether sharpening should prevent color shifts.
uint32: 1	bSRGB	Whether the texture contains color data in the sRGB colorspace.
uint32: 1	bStreamable_Unused	Can the texture be streamed.
uint32: 1	bTextureArray	Whether the texture being built is a texture array.
uint32: 1	bUseLegacyGamma	Whether the texture should use the legacy gamma space for converting to sRGB
bool	bUseNewMipFilter	Use newer & faster mip generation filter
uint32: 1	bVirtualStreamable	Is the texture streamed using the VT system
uint32: 1	bVolume	Whether the texture being built is a volume.
FColor	ChromaKeyColor	The color that will be replaced with transparent black if chroma keying is enabled
float	ChromaKeyThreshold	The threshold that components have to match for the texel to be considered equal to the ChromaKeyColor when chroma keying (<=, set to 0 to require a perfect exact match)
uint8	ChromaticAdaptationMethod	Chromatic adaption method applied if the source white point differs from the working color space white point.
FColorAdjustmentParameters	ColorAdjustment	Color adjustment parameters.
float	CompositePower	Default 1, high values result in a stronger effect
uint8	CompositeTextureMode	E.g. CTM_RoughnessFromNormalAlpha
int32	CompressionQuality	The quality of the compression algorithm (min 0 - lowest quality, highest cook speed, 4 - highest quality, lowest cook speed) only used by ASTC formats right now.
uint32	DiffuseConvolveMipLevel	For angular filtered cubemaps, the mip level which contains convolution with the diffuse cosine lobe.
float	Downscale	Values > 1.0 will scale down source texture. Ignored for textures with mips
uint8	DownscaleOptions	ETextureDownscaleOptions
FCbObjectView	FormatConfigOverride	Format specific config object view or null if no format specific config is applied as part of this build.
FVector2f	GreenChromaticityCoordinate	Green chromaticity coordinate of the source color space.
uint32	LODBias	The source texture's final LOD bias (i.e. includes LODGroup based biases).
uint32	LODBiasWithCinematicMips	The source texture's final LOD bias (i.e. includes LODGroup based biases).
int32	LossyCompressionAmount	ETextureLossyCompressionAmount - oodle resolves this to RDO lambda during fast/final resolution.
uint32	MaxTextureResolution	For maximum resolution.
uint8	MipGenSettings	Mipmap generation settings.
float	MipSharpening	The desired amount of mip sharpening.
uint8	OodleEncodeEffort
uint8	OodleRDO	Encoding settings resolved from fast/final.
FName	OodleTextureSdkVersion	Which version of Oodle Texture to encode with
uint8	OodleUniversalTiling
FColor	PaddingColor	The color used to pad the texture out if it is resized due to PowerOfTwoMode
uint8	PowerOfTwoMode	How to stretch or pad the texture to a power of 2 size (if necessary); ETexturePowerOfTwoSetting::Type, opaque to avoid dependencies on Engine headers.
FVector2f	RedChromaticityCoordinate	Red chromaticity coordinate of the source color space.
uint8	RepresentsEncodeSpeedNoSend	Which encode speed this build settings represents.
uint32	SharpenMipKernelSize	The size of the kernel with which mips should be sharpened.
uint8	SourceEncodingOverride	Advanced source encoding of the image.
uint8	TextureAddressModeX	"TextureAddress" enum values : (TA_Wrap default)
uint8	TextureAddressModeY
uint8	TextureAddressModeZ
FName	TextureFormatName	Format of the compressed texture, used to choose a compression DLL.
const ITextureTiler *	Tiler	If the target format is a tiled format and can leverage reusing the linear encoding, this is not nullptr.
int32	VirtualAddressingModeX	TextureAddress, opaque to avoid dependencies on engine headers.
int32	VirtualAddressingModeY
int32	VirtualTextureBorderSize	Size in pixels of border on virtual texture tile
int32	VirtualTextureTileSize	Size in pixels of virtual texture tile, not including border
FVector2f	WhiteChromaticityCoordinate	White chromaticity coordinate of the source color space.

	Type	Name	Description
		FTextureBuildSettings ()	Default settings.

Type	Name	Description
EGammaSpace	GetDestGammaSpace ()
void	GetEncodedTextureDescription ( FEncodedTextureDescription* OutTextureDescription, const ITextureFormat* InTextureFormat, int32 InEncodedMip0SizeX, int32 InEncodedMip0SizeY, int32 InEncodedMip0NumSlices, int32 InMipCount, bool bInImageHasAlphaChannel )	Convert the build settings to an actual texture description containing enough information to describe the texture to hardware APIs.
void	GetEncodedTextureDescriptionWithPixelFormat ( FEncodedTextureDescription* OutTextureDescription, EPixelFormat InEncodedPixelFormat, int32 InEncodedMip0SizeX, int32 InEncodedMip0SizeY, int32 InEncodedMip0NumSlices, int32 InMipCount )	Convert the build settings to an actual texture description containing enough information to describe the texture to hardware APIs.
uint32	GetOpenColorIOVersion ()	Obtain the OpenColorIO library version, primarily used for DDC invalidation.
EGammaSpace	GetSourceGammaSpace ()	GammaSpace is TextureCompressorModule is always a Destination gamma we get FImages as input with source gamma space already set on them
bool	GetTextureExpectsAlphaInPixelFormat ( bool bInSourceMipsAlphaDetected )	If there is a choice to be had between two formats: one with alpha and one without, this returns which one the texture expects.