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a1130f1941
legacy default behavior is to always use HDR F16 two new good options are to use BC6H (for games) or to use F32 formats when the source is 32-bit (for VFX) #preflight 636c5cb8dc30a4ce96325a1c #rb eric.renaudhoude [CL 23102557 by charles bloom in ue5-main branch]
133 lines
3.6 KiB
C++
133 lines
3.6 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#include "TextureImportSettings.h"
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#include "HAL/IConsoleManager.h"
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#include "UObject/UnrealType.h"
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#include "UObject/PropertyPortFlags.h"
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#if WITH_EDITOR
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#include "Engine/Texture.h"
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#endif
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#include UE_INLINE_GENERATED_CPP_BY_NAME(TextureImportSettings)
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UTextureImportSettings::UTextureImportSettings(const FObjectInitializer& ObjectInitializer)
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: Super(ObjectInitializer)
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{
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SectionName = TEXT("Importing");
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}
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void UTextureImportSettings::PostInitProperties()
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{
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Super::PostInitProperties();
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#if WITH_EDITOR
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if (IsTemplate())
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{
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ImportConsoleVariableValues();
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}
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#endif // #if WITH_EDITOR
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}
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#if WITH_EDITOR
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void UTextureImportSettings::PostEditChangeProperty(FPropertyChangedEvent& PropertyChangedEvent)
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{
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Super::PostEditChangeProperty(PropertyChangedEvent);
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if (PropertyChangedEvent.Property)
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{
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ExportValuesToConsoleVariables(PropertyChangedEvent.Property);
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}
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}
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#endif // #if WITH_EDITOR
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#if WITH_EDITOR
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namespace UE::TextureUtilitiesCommon
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{
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/* Set default properties on Texture for newly imported textures, or reimports.
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* Should be called after all texture properties are set, before PostEditChange()
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*/
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TEXTUREUTILITIESCOMMON_API void ApplyDefaultsForNewlyImportedTextures(UTexture * Texture, bool bIsReimport)
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{
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// things that are done for both fresh import and reimport :
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Texture->UpdateOodleTextureSdkVersionToLatest();
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if ( bIsReimport )
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{
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return;
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}
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// things that are for fresh import only :
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// here we can change values that must have different defaults for backwards compatibility
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// we set them to the new desired value here, the Texture constructor sets the legacy value
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const UTextureImportSettings* Settings = GetDefault<UTextureImportSettings>();
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if ( Settings->bEnableNormalizeNormals )
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{
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// cannot check for TC_Normalmap here
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// because of the way NormalmapIdentification is delayed in Interchange
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// it's harmless to just always turn it on
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// it will be ignored if we are not TC_Normalmap
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// OutBuildSettings.bNormalizeNormals = Texture.bNormalizeNormals && Texture.IsNormalMap();
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//if ( Texture->CompressionSettings == TC_Normalmap )
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{
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Texture->bNormalizeNormals = true;
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}
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}
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if ( Settings->bEnableFastMipFilter )
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{
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Texture->bUseNewMipFilter = true;
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}
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// the pipeline before here will have set floating point textures to TC_HDR
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// could alternatively check Texture->HasHDRSource
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if ( Texture->CompressionSettings == TC_HDR )
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{
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if ( Settings->CompressedFormatForFloatTextures == ETextureImportFloatingPointFormat::HDRCompressed_BC6 )
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{
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// use BC6H
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Texture->CompressionSettings = TC_HDR_Compressed;
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}
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else if ( Settings->CompressedFormatForFloatTextures == ETextureImportFloatingPointFormat::HDR_F32_or_F16 )
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{
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// set output format to match source format
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ETextureSourceFormat TSF = Texture->Source.GetFormat();
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if ( TSF == TSF_RGBA32F )
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{
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Texture->CompressionSettings = TC_HDR_F32;
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}
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else if ( TSF == TSF_R32F )
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{
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Texture->CompressionSettings = TC_SingleFloat;
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}
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else if ( TSF == TSF_R16F )
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{
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Texture->CompressionSettings = TC_HalfFloat;
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}
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else
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{
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// else leave TC_HDR
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check( Texture->CompressionSettings == TC_HDR );
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}
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}
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else if ( Settings->CompressedFormatForFloatTextures == ETextureImportFloatingPointFormat::HDR_F16 )
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{
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// always use F16 HDR (legacy behavior)
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// leave TC_HDR
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check( Texture->CompressionSettings == TC_HDR );
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}
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else
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{
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// all cases should have been handled
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checkNoEntry();
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}
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}
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}
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}
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#endif |