You've already forked UnrealEngineUWP
mirror of
https://github.com/izzy2lost/UnrealEngineUWP.git
synced 2026-03-26 18:15:20 -07:00
b4e6fce55b
The structure with a value and attachments is an artifact of an early design where the record *was* a compact binary package. That design changed months ago and it now simplifies the cache record significantly to make it a collection of values without specific "value" and "attachment" types. #rb Zousar.Shaker #rnx #preflight 61d8b94ed17842e547def37a #ROBOMERGE-AUTHOR: devin.doucette #ROBOMERGE-SOURCE: CL 18553971 in //UE5/Release-5.0/... via CL 18553976 #ROBOMERGE-BOT: STARSHIP (Release-Engine-Staging -> Release-Engine-Test) (v899-18417669) [CL 18553977 by devin doucette in ue5-release-engine-test branch]
471 lines
21 KiB
C++
471 lines
21 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
|
|
|
|
#include "TextureBuildFunction.h"
|
|
|
|
#include "DerivedDataCache.h"
|
|
#include "DerivedDataValueId.h"
|
|
#include "Engine/TextureDefines.h"
|
|
#include "IImageWrapper.h"
|
|
#include "IImageWrapperModule.h"
|
|
#include "ImageCore.h"
|
|
#include "Interfaces/ITextureFormat.h"
|
|
#include "Interfaces/ITextureFormatModule.h"
|
|
#include "Memory/CompositeBuffer.h"
|
|
#include "Memory/SharedBuffer.h"
|
|
#include "Modules/ModuleManager.h"
|
|
#include "PixelFormat.h"
|
|
#include "Serialization/CompactBinary.h"
|
|
#include "Serialization/CompactBinaryWriter.h"
|
|
#include "Serialization/FileRegions.h"
|
|
#include "Serialization/MemoryWriter.h"
|
|
#include "TextureCompressorModule.h"
|
|
#include "TextureFormatManager.h"
|
|
|
|
DEFINE_LOG_CATEGORY_STATIC(LogTextureBuildFunction, Log, All);
|
|
|
|
// Any edits to the texture compressor or this file that will change the output of texture builds
|
|
// MUST have a corresponding change to this version. Individual texture formats have a version to
|
|
// change that is specific to the format. A merge conflict affecting the version MUST be resolved
|
|
// by generating a new version.
|
|
static const FGuid TextureDerivedDataVersion(TEXT("4af5c0e4-46cf-466b-a6f7-7b2b3dec8b10"));
|
|
|
|
#ifndef CASE_ENUM_TO_TEXT
|
|
#define CASE_ENUM_TO_TEXT(txt) case txt: return TEXT(#txt);
|
|
#endif
|
|
|
|
static const TCHAR* GetPixelFormatString(EPixelFormat InPixelFormat)
|
|
{
|
|
switch (InPixelFormat)
|
|
{
|
|
FOREACH_ENUM_EPIXELFORMAT(CASE_ENUM_TO_TEXT)
|
|
default:
|
|
return TEXT("PF_Unknown");
|
|
}
|
|
}
|
|
|
|
static void ReadCbField(FCbFieldView Field, bool& OutValue) { OutValue = Field.AsBool(OutValue); }
|
|
static void ReadCbField(FCbFieldView Field, int32& OutValue) { OutValue = Field.AsInt32(OutValue); }
|
|
static void ReadCbField(FCbFieldView Field, uint8& OutValue) { OutValue = Field.AsUInt8(OutValue); }
|
|
static void ReadCbField(FCbFieldView Field, uint32& OutValue) { OutValue = Field.AsUInt32(OutValue); }
|
|
static void ReadCbField(FCbFieldView Field, float& OutValue) { OutValue = Field.AsFloat(OutValue); }
|
|
|
|
static void ReadCbField(FCbFieldView Field, FName& OutValue)
|
|
{
|
|
if (Field.IsString())
|
|
{
|
|
OutValue = FName(FUTF8ToTCHAR(Field.AsString()));
|
|
}
|
|
}
|
|
|
|
static void ReadCbField(FCbFieldView Field, FColor& OutValue)
|
|
{
|
|
FCbFieldViewIterator It = Field.AsArrayView().CreateViewIterator();
|
|
OutValue.A = It++->AsUInt8(OutValue.A);
|
|
OutValue.R = It++->AsUInt8(OutValue.R);
|
|
OutValue.G = It++->AsUInt8(OutValue.G);
|
|
OutValue.B = It++->AsUInt8(OutValue.B);
|
|
}
|
|
|
|
static void ReadCbField(FCbFieldView Field, FVector2D& OutValue)
|
|
{
|
|
FCbFieldViewIterator It = Field.AsArrayView().CreateViewIterator();
|
|
OutValue.X = It++->AsFloat(OutValue.X);
|
|
OutValue.Y = It++->AsFloat(OutValue.Y);
|
|
}
|
|
|
|
static void ReadCbField(FCbFieldView Field, FVector4& OutValue)
|
|
{
|
|
FCbFieldViewIterator It = Field.AsArrayView().CreateViewIterator();
|
|
OutValue.X = It++->AsFloat(OutValue.X);
|
|
OutValue.Y = It++->AsFloat(OutValue.Y);
|
|
OutValue.Z = It++->AsFloat(OutValue.Z);
|
|
OutValue.W = It++->AsFloat(OutValue.W);
|
|
}
|
|
|
|
static void ReadCbField(FCbFieldView Field, FIntPoint& OutValue)
|
|
{
|
|
FCbFieldViewIterator It = Field.AsArrayView().CreateViewIterator();
|
|
OutValue.X = It++->AsInt32(OutValue.X);
|
|
OutValue.Y = It++->AsInt32(OutValue.Y);
|
|
}
|
|
|
|
static FTextureBuildSettings ReadBuildSettingsFromCompactBinary(const FCbObjectView& Object)
|
|
{
|
|
FTextureBuildSettings BuildSettings;
|
|
BuildSettings.FormatConfigOverride = Object["FormatConfigOverride"].AsObjectView();
|
|
FCbObjectView ColorAdjustmentCbObj = Object["ColorAdjustment"].AsObjectView();
|
|
FColorAdjustmentParameters& ColorAdjustment = BuildSettings.ColorAdjustment;
|
|
ReadCbField(ColorAdjustmentCbObj["AdjustBrightness"], ColorAdjustment.AdjustBrightness);
|
|
ReadCbField(ColorAdjustmentCbObj["AdjustBrightnessCurve"], ColorAdjustment.AdjustBrightnessCurve);
|
|
ReadCbField(ColorAdjustmentCbObj["AdjustSaturation"], ColorAdjustment.AdjustSaturation);
|
|
ReadCbField(ColorAdjustmentCbObj["AdjustVibrance"], ColorAdjustment.AdjustVibrance);
|
|
ReadCbField(ColorAdjustmentCbObj["AdjustRGBCurve"], ColorAdjustment.AdjustRGBCurve);
|
|
ReadCbField(ColorAdjustmentCbObj["AdjustHue"], ColorAdjustment.AdjustHue);
|
|
ReadCbField(ColorAdjustmentCbObj["AdjustMinAlpha"], ColorAdjustment.AdjustMinAlpha);
|
|
ReadCbField(ColorAdjustmentCbObj["AdjustMaxAlpha"], ColorAdjustment.AdjustMaxAlpha);
|
|
ReadCbField(Object["AlphaCoverageThresholds"], BuildSettings.AlphaCoverageThresholds);
|
|
ReadCbField(Object["MipSharpening"], BuildSettings.MipSharpening);
|
|
ReadCbField(Object["DiffuseConvolveMipLevel"], BuildSettings.DiffuseConvolveMipLevel);
|
|
ReadCbField(Object["SharpenMipKernelSize"], BuildSettings.SharpenMipKernelSize);
|
|
ReadCbField(Object["MaxTextureResolution"], BuildSettings.MaxTextureResolution);
|
|
ReadCbField(Object["TextureFormatName"], BuildSettings.TextureFormatName);
|
|
ReadCbField(Object["bHDRSource"], BuildSettings.bHDRSource);
|
|
ReadCbField(Object["MipGenSettings"], BuildSettings.MipGenSettings);
|
|
BuildSettings.bCubemap = Object["bCubemap"].AsBool(BuildSettings.bCubemap);
|
|
BuildSettings.bTextureArray = Object["bTextureArray"].AsBool(BuildSettings.bTextureArray);
|
|
BuildSettings.bVolume = Object["bVolume"].AsBool(BuildSettings.bVolume);
|
|
BuildSettings.bLongLatSource = Object["bLongLatSource"].AsBool(BuildSettings.bLongLatSource);
|
|
BuildSettings.bSRGB = Object["bSRGB"].AsBool(BuildSettings.bSRGB);
|
|
ReadCbField(Object["SourceEncodingOverride"], BuildSettings.SourceEncodingOverride);
|
|
BuildSettings.bHasColorSpaceDefinition = Object["bHasColorSpaceDefinition"].AsBool(BuildSettings.bHasColorSpaceDefinition);
|
|
ReadCbField(Object["RedChromaticityCoordinate"], BuildSettings.RedChromaticityCoordinate);
|
|
ReadCbField(Object["GreenChromaticityCoordinate"], BuildSettings.GreenChromaticityCoordinate);
|
|
ReadCbField(Object["BlueChromaticityCoordinate"], BuildSettings.BlueChromaticityCoordinate);
|
|
ReadCbField(Object["WhiteChromaticityCoordinate"], BuildSettings.WhiteChromaticityCoordinate);
|
|
ReadCbField(Object["ChromaticAdaptationMethod"], BuildSettings.ChromaticAdaptationMethod);
|
|
BuildSettings.bUseLegacyGamma = Object["bUseLegacyGamma"].AsBool(BuildSettings.bUseLegacyGamma);
|
|
BuildSettings.bPreserveBorder = Object["bPreserveBorder"].AsBool(BuildSettings.bPreserveBorder);
|
|
BuildSettings.bForceNoAlphaChannel = Object["bForceNoAlphaChannel"].AsBool(BuildSettings.bForceNoAlphaChannel);
|
|
BuildSettings.bForceAlphaChannel = Object["bForceAlphaChannel"].AsBool(BuildSettings.bForceAlphaChannel);
|
|
BuildSettings.bDitherMipMapAlpha = Object["bDitherMipMapAlpha"].AsBool(BuildSettings.bDitherMipMapAlpha);
|
|
BuildSettings.bComputeBokehAlpha = Object["bComputeBokehAlpha"].AsBool(BuildSettings.bComputeBokehAlpha);
|
|
BuildSettings.bReplicateRed = Object["bReplicateRed"].AsBool(BuildSettings.bReplicateRed);
|
|
BuildSettings.bReplicateAlpha = Object["bReplicateAlpha"].AsBool(BuildSettings.bReplicateAlpha);
|
|
BuildSettings.bDownsampleWithAverage = Object["bDownsampleWithAverage"].AsBool(BuildSettings.bDownsampleWithAverage);
|
|
BuildSettings.bSharpenWithoutColorShift = Object["bSharpenWithoutColorShift"].AsBool(BuildSettings.bSharpenWithoutColorShift);
|
|
BuildSettings.bBorderColorBlack = Object["bBorderColorBlack"].AsBool(BuildSettings.bBorderColorBlack);
|
|
BuildSettings.bFlipGreenChannel = Object["bFlipGreenChannel"].AsBool(BuildSettings.bFlipGreenChannel);
|
|
BuildSettings.bApplyYCoCgBlockScale = Object["bApplyYCoCgBlockScale"].AsBool(BuildSettings.bApplyYCoCgBlockScale);
|
|
BuildSettings.bApplyKernelToTopMip = Object["bApplyKernelToTopMip"].AsBool(BuildSettings.bApplyKernelToTopMip);
|
|
BuildSettings.bRenormalizeTopMip = Object["bRenormalizeTopMip"].AsBool(BuildSettings.bRenormalizeTopMip);
|
|
ReadCbField(Object["CompositeTextureMode"], BuildSettings.CompositeTextureMode);
|
|
ReadCbField(Object["CompositePower"], BuildSettings.CompositePower);
|
|
ReadCbField(Object["LODBias"], BuildSettings.LODBias);
|
|
ReadCbField(Object["LODBiasWithCinematicMips"], BuildSettings.LODBiasWithCinematicMips);
|
|
ReadCbField(Object["TopMipSize"], BuildSettings.TopMipSize);
|
|
ReadCbField(Object["VolumeSizeZ"], BuildSettings.VolumeSizeZ);
|
|
ReadCbField(Object["ArraySlices"], BuildSettings.ArraySlices);
|
|
BuildSettings.bStreamable = Object["bStreamable"].AsBool(BuildSettings.bStreamable);
|
|
BuildSettings.bVirtualStreamable = Object["bVirtualStreamable"].AsBool(BuildSettings.bVirtualStreamable);
|
|
BuildSettings.bChromaKeyTexture = Object["bChromaKeyTexture"].AsBool(BuildSettings.bChromaKeyTexture);
|
|
ReadCbField(Object["PowerOfTwoMode"], BuildSettings.PowerOfTwoMode);
|
|
ReadCbField(Object["PaddingColor"], BuildSettings.PaddingColor);
|
|
ReadCbField(Object["ChromaKeyColor"], BuildSettings.ChromaKeyColor);
|
|
ReadCbField(Object["ChromaKeyThreshold"], BuildSettings.ChromaKeyThreshold);
|
|
ReadCbField(Object["CompressionQuality"], BuildSettings.CompressionQuality);
|
|
ReadCbField(Object["LossyCompressionAmount"], BuildSettings.LossyCompressionAmount);
|
|
ReadCbField(Object["Downscale"], BuildSettings.Downscale);
|
|
ReadCbField(Object["DownscaleOptions"], BuildSettings.DownscaleOptions);
|
|
ReadCbField(Object["VirtualAddressingModeX"], BuildSettings.VirtualAddressingModeX);
|
|
ReadCbField(Object["VirtualAddressingModeY"], BuildSettings.VirtualAddressingModeY);
|
|
ReadCbField(Object["VirtualTextureTileSize"], BuildSettings.VirtualTextureTileSize);
|
|
ReadCbField(Object["VirtualTextureBorderSize"], BuildSettings.VirtualTextureBorderSize);
|
|
BuildSettings.bVirtualTextureEnableCompressZlib = Object["bVirtualTextureEnableCompressZlib"].AsBool(BuildSettings.bVirtualTextureEnableCompressZlib);
|
|
BuildSettings.bVirtualTextureEnableCompressCrunch = Object["bVirtualTextureEnableCompressCrunch"].AsBool(BuildSettings.bVirtualTextureEnableCompressCrunch);
|
|
BuildSettings.OodleEncodeEffort = Object["OodleEncodeEffort"].AsUInt8(BuildSettings.OodleEncodeEffort);
|
|
BuildSettings.OodleUniversalTiling = Object["OodleUniversalTiling"].AsUInt8(BuildSettings.OodleUniversalTiling);
|
|
BuildSettings.bOodleUsesRDO = Object["bOodleUsesRDO"].AsBool(BuildSettings.bOodleUsesRDO);
|
|
BuildSettings.OodleRDO = Object["OodleRDO"].AsUInt8(BuildSettings.OodleRDO);
|
|
ReadCbField(Object["OodleTextureSdkVersion"], BuildSettings.OodleTextureSdkVersion);
|
|
|
|
return BuildSettings;
|
|
}
|
|
|
|
static void ReadOutputSettingsFromCompactBinary(const FCbObjectView& Object, int32& NumInlineMips)
|
|
{
|
|
NumInlineMips = Object["NumInlineMips"].AsInt32();
|
|
}
|
|
|
|
static ERawImageFormat::Type ComputeRawImageFormat(ETextureSourceFormat SourceFormat)
|
|
{
|
|
switch (SourceFormat)
|
|
{
|
|
case TSF_G8: return ERawImageFormat::G8;
|
|
case TSF_G16: return ERawImageFormat::G16;
|
|
case TSF_BGRA8: return ERawImageFormat::BGRA8;
|
|
case TSF_BGRE8: return ERawImageFormat::BGRE8;
|
|
case TSF_RGBA16: return ERawImageFormat::RGBA16;
|
|
case TSF_RGBA16F: return ERawImageFormat::RGBA16F;
|
|
default:
|
|
checkf(false, TEXT("Invalid source texture format encountered: %d."), SourceFormat);
|
|
return ERawImageFormat::G8;
|
|
}
|
|
}
|
|
|
|
static bool TryReadTextureSourceFromCompactBinary(FCbFieldView Source, UE::DerivedData::FBuildContext& Context, TArray<FImage>& OutMips)
|
|
{
|
|
FSharedBuffer InputBuffer = Context.FindInput(FUTF8ToTCHAR(Source.GetName()));
|
|
if (!InputBuffer)
|
|
{
|
|
UE_LOG(LogTextureBuildFunction, Error, TEXT("Missing input '%s'."), *WriteToString<64>(FUTF8ToTCHAR(Source.GetName())));
|
|
return false;
|
|
}
|
|
if ( InputBuffer.GetSize() == 0 )
|
|
{
|
|
UE_LOG(LogTextureBuildFunction, Error, TEXT("Input size zero '%s'."), *WriteToString<64>(FUTF8ToTCHAR(Source.GetName())));
|
|
return false;
|
|
}
|
|
|
|
ETextureSourceCompressionFormat CompressionFormat = (ETextureSourceCompressionFormat)Source["CompressionFormat"].AsUInt8();
|
|
ETextureSourceFormat SourceFormat = (ETextureSourceFormat)Source["SourceFormat"].AsUInt8();
|
|
|
|
ERawImageFormat::Type RawImageFormat = ComputeRawImageFormat(SourceFormat);
|
|
|
|
EGammaSpace GammaSpace = (EGammaSpace)Source["GammaSpace"].AsUInt8();
|
|
int32 NumSlices = Source["NumSlices"].AsInt32();
|
|
int32 SizeX = Source["SizeX"].AsInt32();
|
|
int32 SizeY = Source["SizeY"].AsInt32();
|
|
int32 MipSizeX = SizeX;
|
|
int32 MipSizeY = SizeY;
|
|
|
|
const uint8* DecompressedSourceData = (const uint8*)InputBuffer.GetData();
|
|
TArray64<uint8> IntermediateDecompressedData;
|
|
if (CompressionFormat != TSCF_None)
|
|
{
|
|
switch (CompressionFormat)
|
|
{
|
|
case TSCF_JPEG:
|
|
{
|
|
TSharedPtr<IImageWrapper> ImageWrapper = FModuleManager::GetModuleChecked<IImageWrapperModule>(FName("ImageWrapper")).CreateImageWrapper(EImageFormat::JPEG);
|
|
ImageWrapper->SetCompressed((const uint8*)InputBuffer.GetData(), InputBuffer.GetSize());
|
|
ImageWrapper->GetRaw(SourceFormat == TSF_G8 ? ERGBFormat::Gray : ERGBFormat::BGRA, 8, IntermediateDecompressedData);
|
|
}
|
|
break;
|
|
case TSCF_PNG:
|
|
{
|
|
TSharedPtr<IImageWrapper> ImageWrapper = FModuleManager::GetModuleChecked<IImageWrapperModule>(FName("ImageWrapper")).CreateImageWrapper(EImageFormat::PNG);
|
|
ImageWrapper->SetCompressed((const uint8*)InputBuffer.GetData(), InputBuffer.GetSize());
|
|
ERGBFormat RawFormat = (SourceFormat == TSF_G8 || SourceFormat == TSF_G16) ? ERGBFormat::Gray : ERGBFormat::RGBA;
|
|
ImageWrapper->GetRaw(RawFormat, (SourceFormat == TSF_G16 || SourceFormat == TSF_RGBA16) ? 16 : 8, IntermediateDecompressedData);
|
|
}
|
|
break;
|
|
default:
|
|
UE_LOG(LogTextureBuildFunction, Error, TEXT("Unexpected source compression format encountered while attempting to build a texture."));
|
|
return false;
|
|
}
|
|
DecompressedSourceData = IntermediateDecompressedData.GetData();
|
|
InputBuffer.Reset();
|
|
}
|
|
|
|
FCbArrayView MipsCbArrayView = Source["Mips"].AsArrayView();
|
|
OutMips.Reserve(MipsCbArrayView.Num());
|
|
for (FCbFieldView MipsCbArrayIt : MipsCbArrayView)
|
|
{
|
|
FCbObjectView MipCbObjectView = MipsCbArrayIt.AsObjectView();
|
|
int64 MipOffset = MipCbObjectView["Offset"].AsInt64();
|
|
int64 MipSize = MipCbObjectView["Size"].AsInt64();
|
|
|
|
FImage* SourceMip = new(OutMips) FImage(
|
|
MipSizeX, MipSizeY,
|
|
NumSlices,
|
|
RawImageFormat,
|
|
GammaSpace
|
|
);
|
|
|
|
if ((MipsCbArrayView.Num() == 1) && (CompressionFormat != TSCF_None))
|
|
{
|
|
// In the case where there is only one mip and its already in a TArray, there is no need to allocate new array contents, just use a move instead
|
|
SourceMip->RawData = MoveTemp(IntermediateDecompressedData);
|
|
}
|
|
else
|
|
{
|
|
SourceMip->RawData.AddUninitialized(MipSize);
|
|
FMemory::Memcpy(
|
|
SourceMip->RawData.GetData(),
|
|
DecompressedSourceData + MipOffset,
|
|
MipSize
|
|
);
|
|
}
|
|
|
|
MipSizeX = FMath::Max(MipSizeX / 2, 1);
|
|
MipSizeY = FMath::Max(MipSizeY / 2, 1);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
// Estimate peak memory usage required to cook this texture, excluding raw input / source data
|
|
// Similar to UTexture::GetBuildRequiredMemory()
|
|
// This is a rough blackbox estimate that can be improved
|
|
static uint64 EstimateTextureBuildMemoryUsage(const FCbObject& Settings)
|
|
{
|
|
uint64 InputSize = 0;
|
|
for (FCbField Mip : Settings["Source"]["Mips"])
|
|
{
|
|
InputSize += Mip["Size"].AsInt64();
|
|
}
|
|
|
|
return static_cast<uint64>(InputSize * 7.5);
|
|
}
|
|
|
|
FGuid FTextureBuildFunction::GetVersion() const
|
|
{
|
|
UE::DerivedData::FBuildVersionBuilder Builder;
|
|
Builder << TextureDerivedDataVersion;
|
|
ITextureFormat* TextureFormat = nullptr;
|
|
GetVersion(Builder, TextureFormat);
|
|
if (TextureFormat)
|
|
{
|
|
TArray<FName> SupportedFormats;
|
|
TextureFormat->GetSupportedFormats(SupportedFormats);
|
|
TArray<uint16> SupportedFormatVersions;
|
|
for (const FName& SupportedFormat : SupportedFormats)
|
|
{
|
|
SupportedFormatVersions.AddUnique(TextureFormat->GetVersion(SupportedFormat));
|
|
}
|
|
SupportedFormatVersions.Sort();
|
|
Builder << SupportedFormatVersions;
|
|
}
|
|
return Builder.Build();
|
|
}
|
|
|
|
void FTextureBuildFunction::Configure(UE::DerivedData::FBuildConfigContext& Context) const
|
|
{
|
|
Context.SetCacheBucket(UE::DerivedData::FCacheBucket("Texture"_ASV));
|
|
Context.SetRequiredMemory(EstimateTextureBuildMemoryUsage(Context.FindConstant(TEXT("Settings"_SV))));
|
|
}
|
|
|
|
void FTextureBuildFunction::Build(UE::DerivedData::FBuildContext& Context) const
|
|
{
|
|
const FCbObject Settings = Context.FindConstant(TEXT("Settings"_SV));
|
|
if (!Settings)
|
|
{
|
|
UE_LOG(LogTextureBuildFunction, Error, TEXT("Settings are not available."));
|
|
return;
|
|
}
|
|
|
|
const FTextureBuildSettings BuildSettings = ReadBuildSettingsFromCompactBinary(Settings["Build"].AsObjectView());
|
|
|
|
const uint16 RequiredTextureFormatVersion = Settings["FormatVersion"].AsUInt16();
|
|
if (ITextureFormatManagerModule* TFM = GetTextureFormatManager())
|
|
{
|
|
const ITextureFormat* TextureFormat = TFM->FindTextureFormat(BuildSettings.TextureFormatName);
|
|
const uint16 CurrentTextureFormatVersion = TextureFormat ? TextureFormat->GetVersion(BuildSettings.TextureFormatName, &BuildSettings) : 0;
|
|
if (CurrentTextureFormatVersion != RequiredTextureFormatVersion)
|
|
{
|
|
UE_LOG(LogTextureBuildFunction, Error, TEXT("%s has version %hu when version %hu is required."),
|
|
*BuildSettings.TextureFormatName.ToString(), CurrentTextureFormatVersion, RequiredTextureFormatVersion);;
|
|
return;
|
|
}
|
|
}
|
|
|
|
int32 NumInlineMips;
|
|
ReadOutputSettingsFromCompactBinary(Settings["Output"].AsObjectView(), NumInlineMips);
|
|
|
|
TArray<FImage> SourceMips;
|
|
if (!TryReadTextureSourceFromCompactBinary(Settings["Source"], Context, SourceMips))
|
|
{
|
|
return;
|
|
}
|
|
|
|
TArray<FImage> AssociatedNormalSourceMips;
|
|
if (FCbFieldView CompositeSource = Settings["CompositeSource"];
|
|
CompositeSource && !TryReadTextureSourceFromCompactBinary(CompositeSource, Context, AssociatedNormalSourceMips))
|
|
{
|
|
return;
|
|
}
|
|
|
|
UE_LOG(LogTextureBuildFunction, Display, TEXT("Compressing %d source mip(s) (%dx%d) to %s..."), SourceMips.Num(), SourceMips[0].SizeX, SourceMips[0].SizeY, *BuildSettings.TextureFormatName.ToString());
|
|
|
|
TArray<FCompressedImage2D> CompressedMips;
|
|
uint32 NumMipsInTail;
|
|
uint32 ExtData;
|
|
|
|
bool bBuildSucceeded = FModuleManager::GetModuleChecked<ITextureCompressorModule>(TEXTURE_COMPRESSOR_MODULENAME).BuildTexture(
|
|
SourceMips,
|
|
AssociatedNormalSourceMips,
|
|
BuildSettings,
|
|
Context.GetName(),
|
|
CompressedMips,
|
|
NumMipsInTail,
|
|
ExtData);
|
|
if (!bBuildSucceeded)
|
|
{
|
|
return;
|
|
}
|
|
check(CompressedMips.Num() > 0);
|
|
|
|
int32 MipCount = CompressedMips.Num();
|
|
const bool bForceAllMipsToBeInlined = BuildSettings.bCubemap || (BuildSettings.bVolume && !BuildSettings.bStreamable) || (BuildSettings.bTextureArray && !BuildSettings.bStreamable);
|
|
const int32 FirstInlineMip = bForceAllMipsToBeInlined ? 0 : FMath::Max(0, MipCount - FMath::Max(NumInlineMips, (int32)NumMipsInTail));
|
|
|
|
{
|
|
FCbWriter DescriptionWriter;
|
|
DescriptionWriter.BeginObject();
|
|
|
|
DescriptionWriter.BeginArray("Size"_ASV);
|
|
DescriptionWriter.AddInteger(CompressedMips[0].SizeX);
|
|
DescriptionWriter.AddInteger(CompressedMips[0].SizeY);
|
|
const int32 NumSlices = (BuildSettings.bVolume || BuildSettings.bTextureArray) ? CompressedMips[0].SizeZ : BuildSettings.bCubemap ? 6 : 1;
|
|
DescriptionWriter.AddInteger(NumSlices);
|
|
DescriptionWriter.EndArray();
|
|
|
|
DescriptionWriter.AddString("PixelFormat"_ASV, GetPixelFormatString((EPixelFormat)CompressedMips[0].PixelFormat));
|
|
DescriptionWriter.AddBool("bCubeMap"_ASV, BuildSettings.bCubemap);
|
|
DescriptionWriter.AddInteger("ExtData"_ASV, ExtData);
|
|
DescriptionWriter.AddInteger("NumMips"_ASV, MipCount);
|
|
DescriptionWriter.AddInteger("NumStreamingMips"_ASV, FirstInlineMip);
|
|
DescriptionWriter.AddInteger("NumMipsInTail"_ASV, NumMipsInTail);
|
|
|
|
DescriptionWriter.BeginArray("Mips"_ASV);
|
|
int64 MipOffset = 0;
|
|
for (int32 MipIndex = 0; MipIndex < MipCount; ++MipIndex)
|
|
{
|
|
FCompressedImage2D& CompressedMip = CompressedMips[MipIndex];
|
|
|
|
DescriptionWriter.BeginObject();
|
|
|
|
DescriptionWriter.BeginArray("Size"_ASV);
|
|
DescriptionWriter.AddInteger(CompressedMip.SizeX);
|
|
DescriptionWriter.AddInteger(CompressedMip.SizeY);
|
|
DescriptionWriter.AddInteger(CompressedMip.SizeZ);
|
|
DescriptionWriter.EndArray();
|
|
|
|
const bool bIsInlineMip = MipIndex >= FirstInlineMip;
|
|
|
|
EFileRegionType FileRegion = FFileRegion::SelectType(EPixelFormat(CompressedMip.PixelFormat));
|
|
DescriptionWriter.AddInteger("FileRegion"_ASV, static_cast<int32>(FileRegion));
|
|
if (bIsInlineMip)
|
|
{
|
|
DescriptionWriter.AddInteger("MipOffset"_ASV, MipOffset);
|
|
}
|
|
DescriptionWriter.AddInteger("NumBytes"_ASV, CompressedMip.RawData.Num());
|
|
|
|
DescriptionWriter.EndObject();
|
|
|
|
if (bIsInlineMip)
|
|
{
|
|
MipOffset += CompressedMip.RawData.Num();
|
|
}
|
|
}
|
|
DescriptionWriter.EndArray();
|
|
|
|
DescriptionWriter.EndObject();
|
|
FCbObject DescriptionObject = DescriptionWriter.Save().AsObject();
|
|
Context.AddValue(UE::DerivedData::FValueId::FromName("Description"_ASV), DescriptionObject);
|
|
}
|
|
|
|
// Streaming mips
|
|
for (int32 MipIndex = 0; MipIndex < FirstInlineMip; ++MipIndex)
|
|
{
|
|
TAnsiStringBuilder<16> MipName;
|
|
MipName << "Mip"_ASV << MipIndex;
|
|
|
|
FSharedBuffer MipData = MakeSharedBufferFromArray(MoveTemp(CompressedMips[MipIndex].RawData));
|
|
Context.AddValue(UE::DerivedData::FValueId::FromName(MipName), MipData);
|
|
}
|
|
|
|
// Mip tail
|
|
TArray<FSharedBuffer> MipTailComponents;
|
|
for (int32 MipIndex = FirstInlineMip; MipIndex < MipCount; ++MipIndex)
|
|
{
|
|
FSharedBuffer MipData = MakeSharedBufferFromArray(MoveTemp(CompressedMips[MipIndex].RawData));
|
|
MipTailComponents.Add(MipData);
|
|
}
|
|
FCompositeBuffer MipTail(MipTailComponents);
|
|
if (MipTail.GetSize() > 0)
|
|
{
|
|
Context.AddValue(UE::DerivedData::FValueId::FromName("MipTail"_ASV), MipTail);
|
|
}
|
|
}
|