FShaderResource::FShaderResource(const FShaderCompilerOutput& Output, FShaderType* InSpecificType)
: SpecificType(InSpecificType)
, NumInstructions(Output.NumInstructions)
, NumTextureSamplers(Output.NumTextureSamplers)
, NumRefs(0)
, Canary(FShader::ShaderMagic_Initialized)
{
Target = Output.Target;
// todo: can we avoid the memcpy?
Code = Output.ShaderCode.GetReadAccess();
check(Code.Num() > 0);
OutputHash = Output.OutputHash;
checkSlow(OutputHash != FSHAHash());
{
FScopeLock ShaderResourceIdMapLock(&ShaderResourceIdMapCritical);
ShaderResourceIdMap.Add(GetId(), this);
}
INC_DWORD_STAT_BY_FName(GetMemoryStatType((EShaderFrequency)Target.Frequency).GetName(), Code.Num());
INC_DWORD_STAT_BY(STAT_Shaders_ShaderResourceMemory, GetSizeBytes());
INC_DWORD_STAT_BY(STAT_Shaders_NumShaderResourcesLoaded, 1);
}
FSlateShaderResourceProxy* FSlateRHIResourceManager::GenerateTextureResource( const FNewTextureInfo& Info )
{
FSlateShaderResourceProxy* NewProxy = NULL;
const uint32 Width = Info.TextureData->GetWidth();
const uint32 Height = Info.TextureData->GetHeight();
if( Info.bShouldAtlas )
{
const FAtlasedTextureSlot* NewSlot = NULL;
FSlateTextureAtlasRHI* Atlas = NULL;
// See if any atlases can hold the texture
for( int32 AtlasIndex = 0; AtlasIndex < TextureAtlases.Num() && !NewSlot; ++AtlasIndex )
{
Atlas = TextureAtlases[AtlasIndex];
NewSlot = Atlas->AddTexture( Width, Height, Info.TextureData->GetRawBytes() );
}
if( !NewSlot )
{
INC_DWORD_STAT_BY(STAT_SlateNumTextureAtlases, 1);
Atlas = new FSlateTextureAtlasRHI( AtlasSize, AtlasSize, ESlateTextureAtlasPaddingStyle::DilateBorder );
TextureAtlases.Add( Atlas );
NewSlot = TextureAtlases.Last()->AddTexture( Width, Height, Info.TextureData->GetRawBytes() );
}
check( Atlas && NewSlot );
// Create a proxy to the atlased texture. The texture being used is the atlas itself with sub uvs to access the correct texture
NewProxy = new FSlateShaderResourceProxy;
NewProxy->Resource = Atlas->GetAtlasTexture();
const uint32 Padding = NewSlot->Padding;
NewProxy->StartUV = FVector2D((float)(NewSlot->X + Padding) / Atlas->GetWidth(), (float)(NewSlot->Y + Padding) / Atlas->GetHeight());
NewProxy->SizeUV = FVector2D( (float)(NewSlot->Width-Padding*2) / Atlas->GetWidth(), (float)(NewSlot->Height-Padding*2) / Atlas->GetHeight() );
NewProxy->ActualSize = FIntPoint( Width, Height );
}
else
{
NewProxy = new FSlateShaderResourceProxy;
// Create a new standalone texture because we can't atlas this one
FSlateTexture2DRHIRef* Texture = new FSlateTexture2DRHIRef( Width, Height, PF_B8G8R8A8, Info.TextureData, Info.bSrgb ? TexCreate_SRGB : TexCreate_None );
// Add it to the list of non atlased textures that we must clean up later
NonAtlasedTextures.Add( Texture );
INC_DWORD_STAT_BY( STAT_SlateNumNonAtlasedTextures, 1 );
BeginInitResource( Texture );
// The texture proxy only contains a single texture
NewProxy->Resource = Texture;
NewProxy->StartUV = FVector2D(0.0f, 0.0f);
NewProxy->SizeUV = FVector2D(1.0f, 1.0f);
NewProxy->ActualSize = FIntPoint( Width, Height );
}
return NewProxy;
}
void FShader::AddRef()
{
++NumRefs;
if (NumRefs == 1)
{
INC_DWORD_STAT_BY(STAT_Shaders_ShaderMemory, GetSizeBytes());
INC_DWORD_STAT_BY(STAT_Shaders_NumShadersLoaded,1);
}
}
FLoadedAudioChunk* FStreamingWaveData::AddNewLoadedChunk(int32 ChunkSize)
{
int32 NewIndex = LoadedChunks.Num();
LoadedChunks.AddZeroed();
LoadedChunks[NewIndex].Data = static_cast<uint8*>(FMemory::Malloc(ChunkSize));
LoadedChunks[NewIndex].DataSize = LoadedChunks[NewIndex].MemorySize = ChunkSize;
INC_DWORD_STAT_BY(STAT_AudioMemorySize, ChunkSize);
INC_DWORD_STAT_BY(STAT_AudioMemory, ChunkSize);
return &LoadedChunks[NewIndex];
}
void FShader::AddRef()
{
check(Canary != ShaderMagic_CleaningUp);
// Lock shader Id maps
LockShaderIdMap();
++NumRefs;
if (NumRefs == 1)
{
INC_DWORD_STAT_BY(STAT_Shaders_ShaderMemory, GetSizeBytes());
INC_DWORD_STAT_BY(STAT_Shaders_NumShadersLoaded,1);
}
UnlockShaderIdMap();
}
int32 FAsyncIOSystemBase::CancelRequests( uint64* RequestIndices, int32 NumIndices )
{
FScopeLock ScopeLock( CriticalSection );
// Iterate over all outstanding requests and cancel matching ones.
int32 RequestsCanceled = 0;
for( int32 OutstandingIndex=OutstandingRequests.Num()-1; OutstandingIndex>=0 && RequestsCanceled<NumIndices; OutstandingIndex-- )
{
// Iterate over all indices of requests to cancel
for( int32 TheRequestIndex=0; TheRequestIndex<NumIndices; TheRequestIndex++ )
{
// Look for matching request index in queue.
const FAsyncIORequest IORequest = OutstandingRequests[OutstandingIndex];
if( IORequest.RequestIndex == RequestIndices[TheRequestIndex] )
{
INC_DWORD_STAT( STAT_AsyncIO_CanceledReadCount );
INC_DWORD_STAT_BY( STAT_AsyncIO_CanceledReadSize, IORequest.Size );
DEC_DWORD_STAT( STAT_AsyncIO_OutstandingReadCount );
DEC_DWORD_STAT_BY( STAT_AsyncIO_OutstandingReadSize, IORequest.Size );
// Decrement thread-safe counter to indicate that request has been "completed".
IORequest.Counter->Decrement();
// IORequest variable no longer valid after removal.
OutstandingRequests.RemoveAt( OutstandingIndex );
RequestsCanceled++;
// Break out of loop as we've modified OutstandingRequests AND it no longer is valid.
break;
}
}
}
return RequestsCanceled;
}
FShaderResource::FShaderResource()
: NumInstructions(0)
, NumTextureSamplers(0)
, NumRefs(0)
{
INC_DWORD_STAT_BY(STAT_Shaders_NumShaderResourcesLoaded, 1);
}
//----------------------------------------------------------------------//
// FNavigationOctree
//----------------------------------------------------------------------//
FNavigationOctree::FNavigationOctree(const FVector& Origin, float Radius)
: TOctree<FNavigationOctreeElement, FNavigationOctreeSemantics>(Origin, Radius)
, bGatherGeometry(false)
, NodesMemory(0)
{
INC_DWORD_STAT_BY( STAT_NavigationMemory, sizeof(*this) );
}
void FShaderResource::Serialize(FArchive& Ar)
{
Ar << SpecificType;
Ar << Target;
Ar << Code;
Ar << OutputHash;
Ar << NumInstructions;
Ar << NumTextureSamplers;
if (Ar.IsLoading())
{
INC_DWORD_STAT_BY_FName(GetMemoryStatType((EShaderFrequency)Target.Frequency).GetName(), (int64)Code.Num());
INC_DWORD_STAT_BY(STAT_Shaders_ShaderResourceMemory, GetSizeBytes());
FShaderCache::LogShader((EShaderPlatform)Target.Platform, (EShaderFrequency)Target.Frequency, OutputHash, Code);
// The shader resource has been serialized in, so this shader resource is now initialized.
check(Canary != FShader::ShaderMagic_CleaningUp);
Canary = FShader::ShaderMagic_Initialized;
}
#if WITH_EDITORONLY_DATA
else if(Ar.IsCooking())
{
FShaderCache::CookShader((EShaderPlatform)Target.Platform, (EShaderFrequency)Target.Frequency, OutputHash, Code);
}
#endif
}
//----------------------------------------------------------------------//
// FNavigationOctree
//----------------------------------------------------------------------//
FNavigationOctree::FNavigationOctree(FVector Origin, float Radius)
: Super(Origin, Radius)
, bGatherGeometry(false)
, NodesMemory(0)
{
INC_DWORD_STAT_BY( STAT_NavigationMemory, sizeof(*this) );
}
/**
* Retrieves the dynamic data for the emitter
*
* @param bSelected Whether the emitter is selected in the editor
*
* @return FDynamicEmitterDataBase* The dynamic data, or NULL if it shouldn't be rendered
*/
FDynamicEmitterDataBase* FParticleBeam2EmitterInstance::GetDynamicData(bool bSelected)
{
QUICK_SCOPE_CYCLE_COUNTER(STAT_ParticleBeam2EmitterInstance_GetDynamicData);
UParticleLODLevel* LODLevel = SpriteTemplate->GetCurrentLODLevel(this);
if (IsDynamicDataRequired(LODLevel) == false)
{
return NULL;
}
//@todo.SAS. Have this call the UpdateDynamicData function to reduce duplicate code!!!
//@SAS. This removes the need for the assertion in the actual render call...
if ((ActiveParticles > FDynamicBeam2EmitterData::MaxBeams) || // TTP #33330 - Max of 2048 beams from a single emitter
(ParticleStride >
((FDynamicBeam2EmitterData::MaxInterpolationPoints + 2) * (sizeof(FVector) + sizeof(float))) +
(FDynamicBeam2EmitterData::MaxNoiseFrequency * (sizeof(FVector) + sizeof(FVector) + sizeof(float) + sizeof(float)))
) // TTP #33330 - Max of 10k per beam (includes interpolation points, noise, etc.)
)
{
#if !(UE_BUILD_SHIPPING || UE_BUILD_TEST)
if (Component && Component->GetWorld())
{
FString ErrorMessage =
FString::Printf(TEXT("BeamEmitter with too much data: %s"),
Component ?
Component->Template ?
*(Component->Template->GetName()) :
TEXT("No template") :
TEXT("No component"));
FColor ErrorColor(255,0,0);
GEngine->AddOnScreenDebugMessage((uint64)((PTRINT)this), 5.0f, ErrorColor,ErrorMessage);
UE_LOG(LogParticles, Log, TEXT("%s"), *ErrorMessage);
}
#endif //#if !(UE_BUILD_SHIPPING || UE_BUILD_TEST)
return NULL;
}
// Allocate the dynamic data
FDynamicBeam2EmitterData* NewEmitterData = ::new FDynamicBeam2EmitterData(LODLevel->RequiredModule);
{
SCOPE_CYCLE_COUNTER(STAT_ParticleMemTime);
INC_DWORD_STAT(STAT_DynamicEmitterCount);
INC_DWORD_STAT(STAT_DynamicBeamCount);
INC_DWORD_STAT_BY(STAT_DynamicEmitterMem, sizeof(FDynamicBeam2EmitterData));
}
// Now fill in the source data
if( !FillReplayData( NewEmitterData->Source ) )
{
delete NewEmitterData;
return NULL;
}
// Setup dynamic render data. Only call this AFTER filling in source data for the emitter.
NewEmitterData->Init( bSelected );
return NewEmitterData;
}
FShaderResource::FShaderResource()
: SpecificType(NULL)
, NumInstructions(0)
, NumTextureSamplers(0)
, NumRefs(0)
, Canary(FShader::ShaderMagic_Uninitialized)
{
INC_DWORD_STAT_BY(STAT_Shaders_NumShaderResourcesLoaded, 1);
}
FShaderResource::FShaderResource(const FShaderCompilerOutput& Output)
: NumInstructions(Output.NumInstructions)
, NumTextureSamplers(Output.NumTextureSamplers)
, NumRefs(0)
{
Target = Output.Target;
Code = Output.Code;
check(Code.Num() > 0);
OutputHash = Output.OutputHash;
checkSlow(OutputHash != FSHAHash());
ShaderResourceIdMap.Add(GetId(), this);
INC_DWORD_STAT_BY_FName(GetMemoryStatType((EShaderFrequency)Target.Frequency).GetName(), Code.Num());
INC_DWORD_STAT_BY(STAT_Shaders_ShaderResourceMemory, GetSizeBytes());
INC_DWORD_STAT_BY(STAT_Shaders_NumShaderResourcesLoaded, 1);
}
uint64 FAsyncIOSystemBase::QueueIORequest(
const FString& FileName,
int64 Offset,
int64 Size,
int64 UncompressedSize,
void* Dest,
ECompressionFlags CompressionFlags,
FThreadSafeCounter* Counter,
EAsyncIOPriority Priority )
{
check(Offset != INDEX_NONE);
check(Dest != nullptr || Size == 0);
FScopeLock ScopeLock(CriticalSection);
// Create an IO request containing passed in information.
FAsyncIORequest IORequest;
IORequest.RequestIndex = RequestIndex++;
IORequest.FileSortKey = INDEX_NONE;
IORequest.FileName = FileName;
IORequest.FileNameHash = FCrc::StrCrc32<TCHAR>(FileName.ToLower().GetCharArray().GetData());
IORequest.Offset = Offset;
IORequest.Size = Size;
IORequest.UncompressedSize = UncompressedSize;
IORequest.Dest = Dest;
IORequest.CompressionFlags = CompressionFlags;
IORequest.Counter = Counter;
IORequest.Priority = Priority;
static bool HasCheckedCommandline = false;
if (!HasCheckedCommandline)
{
HasCheckedCommandline = true;
if ( FParse::Param(FCommandLine::Get(), TEXT("logasync")))
{
GbLogAsyncLoading = true;
UE_LOG(LogStreaming, Warning, TEXT("*** ASYNC LOGGING IS ENABLED"));
}
}
if (GbLogAsyncLoading == true)
{
LogIORequest(TEXT("QueueIORequest"), IORequest);
}
INC_DWORD_STAT( STAT_AsyncIO_OutstandingReadCount );
INC_DWORD_STAT_BY( STAT_AsyncIO_OutstandingReadSize, IORequest.Size );
// Add to end of queue.
OutstandingRequests.Add( IORequest );
// Trigger event telling IO thread to wake up to perform work.
OutstandingRequestsEvent->Trigger();
// Return unique ID associated with request which can be used to cancel it.
return IORequest.RequestIndex;
}
void FNiagaraSimulation::Tick(float DeltaSeconds)
{
SCOPE_CYCLE_COUNTER(STAT_NiagaraTick);
SimpleTimer TickTime;
UNiagaraEmitterProperties* PinnedProps = Props.Get();
if (!PinnedProps || !bIsEnabled || TickState == NTS_Suspended || TickState == NTS_Dead)
{
return;
}
Age += DeltaSeconds;
check(Data.GetNumVariables() > 0);
check(PinnedProps->SpawnScriptProps.Script);
check(PinnedProps->UpdateScriptProps.Script);
TickEvents(DeltaSeconds);
// Figure out how many we will spawn.
int32 OrigNumParticles = Data.GetNumInstances();
int32 NumToSpawn = CalcNumToSpawn(DeltaSeconds);
int32 MaxNewParticles = OrigNumParticles + NumToSpawn;
Data.Allocate(MaxNewParticles);
ExternalConstants.SetOrAdd(BUILTIN_CONST_EMITTERAGE, FVector4(Age, Age, Age, Age));
ExternalConstants.SetOrAdd(BUILTIN_CONST_DELTATIME, FVector4(DeltaSeconds, DeltaSeconds, DeltaSeconds, DeltaSeconds));
// Simulate particles forward by DeltaSeconds.
if (TickState==NTS_Running || TickState==NTS_Dieing)
{
SCOPE_CYCLE_COUNTER(STAT_NiagaraSimulate);
RunVMScript(PinnedProps->UpdateScriptProps, EUnusedAttributeBehaviour::PassThrough);
}
//Init new particles with the spawn script.
if (TickState==NTS_Running)
{
SCOPE_CYCLE_COUNTER(STAT_NiagaraSpawn);
Data.SetNumInstances(MaxNewParticles);
//For now, zero any unused attributes here. But as this is really uninitialized data we should maybe make this a more serious error.
RunVMScript(PinnedProps->SpawnScriptProps, EUnusedAttributeBehaviour::Zero, OrigNumParticles, NumToSpawn);
if (bGenerateSpawnEvents)
{
SpawnEventGenerator.OnSpawned(OrigNumParticles, NumToSpawn);
}
}
CPUTimeMS = TickTime.GetElapsedMilliseconds();
INC_DWORD_STAT_BY(STAT_NiagaraNumParticles, Data.GetNumInstances());
}
void UFontBulkData::Initialize(const void* const InFontData, const int32 InFontDataSizeBytes)
{
// The bulk data cannot be removed if we are loading a memory location since we
// have no knowledge of this memory later
BulkData.ClearBulkDataFlags( BULKDATA_SingleUse );
BulkData.Lock(LOCK_READ_WRITE);
void* const LockedFontData = BulkData.Realloc(InFontDataSizeBytes);
FMemory::Memcpy(LockedFontData, InFontData, InFontDataSizeBytes);
BulkData.Unlock();
INC_DWORD_STAT_BY( STAT_SlateBulkFontDataMemory, BulkData.GetBulkDataSize() );
}
void FShaderResource::Serialize(FArchive& Ar)
{
Ar << Target;
Ar << Code;
Ar << OutputHash;
Ar << NumInstructions;
Ar << NumTextureSamplers;
if (Ar.IsLoading())
{
INC_DWORD_STAT_BY_FName(GetMemoryStatType((EShaderFrequency)Target.Frequency).GetName(), (int64)Code.Num());
INC_DWORD_STAT_BY(STAT_Shaders_ShaderResourceMemory, GetSizeBytes());
}
}
void FShaderResource::InitRHI()
{
checkf(Code.Num() > 0, TEXT("FShaderResource::InitRHI was called with empty bytecode, which can happen if the resource is initialized multiple times on platforms with no editor data."));
// we can't have this called on the wrong platform's shaders
if (!ArePlatformsCompatible(GMaxRHIShaderPlatform, (EShaderPlatform)Target.Platform))
{
if (FPlatformProperties::RequiresCookedData())
{
UE_LOG(LogShaders, Fatal, TEXT("FShaderResource::InitRHI got platform %s but it is not compatible with %s"),
*LegacyShaderPlatformToShaderFormat((EShaderPlatform)Target.Platform).ToString(), *LegacyShaderPlatformToShaderFormat(GMaxRHIShaderPlatform).ToString());
}
return;
}
INC_DWORD_STAT_BY(STAT_Shaders_NumShadersUsedForRendering, 1);
SCOPE_CYCLE_COUNTER(STAT_Shaders_RTShaderLoadTime);
if(Target.Frequency == SF_Vertex)
{
VertexShader = RHICreateVertexShader(Code);
}
else if(Target.Frequency == SF_Pixel)
{
PixelShader = RHICreatePixelShader(Code);
}
else if(Target.Frequency == SF_Hull)
{
HullShader = RHICreateHullShader(Code);
}
else if(Target.Frequency == SF_Domain)
{
DomainShader = RHICreateDomainShader(Code);
}
else if(Target.Frequency == SF_Geometry)
{
GeometryShader = RHICreateGeometryShader(Code);
}
else if(Target.Frequency == SF_Compute)
{
ComputeShader = RHICreateComputeShader(Code);
}
if (!FPlatformProperties::HasEditorOnlyData())
{
DEC_DWORD_STAT_BY_FName(GetMemoryStatType((EShaderFrequency)Target.Frequency).GetName(), Code.Num());
DEC_DWORD_STAT_BY(STAT_Shaders_ShaderResourceMemory, Code.GetAllocatedSize());
Code.Empty();
}
}
FArchive& operator<<(FArchive& Ar, FStaticShadowDepthMap& ShadowMap)
{
Ar << ShadowMap.WorldToLight;
Ar << ShadowMap.ShadowMapSizeX;
Ar << ShadowMap.ShadowMapSizeY;
Ar << ShadowMap.DepthSamples;
if (Ar.IsLoading())
{
INC_DWORD_STAT_BY(STAT_PrecomputedShadowDepthMapMemory, ShadowMap.DepthSamples.GetAllocatedSize());
}
return Ar;
}
void FIndirectLightingCache::UpdateBlocks(FScene* Scene, FViewInfo* DebugDrawingView, TMap<FIntVector, FBlockUpdateInfo>& BlocksToUpdate)
{
if (BlocksToUpdate.Num() > 0 && !IsInitialized())
{
InitResource();
}
INC_DWORD_STAT_BY(STAT_IndirectLightingCacheUpdates, BlocksToUpdate.Num());
for (TMap<FIntVector, FBlockUpdateInfo>::TIterator It(BlocksToUpdate); It; ++It)
{
UpdateBlock(Scene, DebugDrawingView, It.Value());
}
}
void UFontBulkData::Serialize(FArchive& Ar)
{
Super::Serialize(Ar);
BulkData.Serialize(Ar, this);
if( !GIsEditor && Ar.IsLoading() )
{
BulkData.SetBulkDataFlags( BULKDATA_SingleUse );
}
#if STATS
if( Ar.IsLoading() && BulkData.IsBulkDataLoaded() )
{
INC_DWORD_STAT_BY( STAT_SlateBulkFontDataMemory, BulkData.GetBulkDataSize() );
}
#endif
}
/**
* Called when the resource is initialized. This is only called by the rendering thread.
*/
virtual void InitRHI() override
{
INC_DWORD_STAT_BY( STAT_TextureMemory, TextureSize );
INC_DWORD_STAT_FNAME_BY( LODGroupStatName, TextureSize );
// Create the RHI texture.
uint32 TexCreateFlags = (Owner->SRGB ? TexCreate_SRGB : 0) | TexCreate_OfflineProcessed;
FRHIResourceCreateInfo CreateInfo;
TextureCubeRHI = RHICreateTextureCube( Owner->GetSizeX(), Owner->GetPixelFormat(), Owner->GetNumMips(), TexCreateFlags, CreateInfo );
TextureRHI = TextureCubeRHI;
RHIBindDebugLabelName(TextureRHI, *Owner->GetName());
RHIUpdateTextureReference(Owner->TextureReference.TextureReferenceRHI,TextureRHI);
// Read the mip-levels into the RHI texture.
int32 NumMips = Owner->GetNumMips();
for( int32 FaceIndex=0; FaceIndex<6; FaceIndex++ )
{
for(int32 MipIndex=0; MipIndex < NumMips; MipIndex++)
{
if( MipData[FaceIndex][MipIndex] != NULL )
{
uint32 DestStride;
void* TheMipData = RHILockTextureCubeFace( TextureCubeRHI, FaceIndex, 0, MipIndex, RLM_WriteOnly, DestStride, false );
GetData( FaceIndex, MipIndex, TheMipData, DestStride );
RHIUnlockTextureCubeFace( TextureCubeRHI, FaceIndex, 0, MipIndex, false );
}
}
}
// Create the sampler state RHI resource.
FSamplerStateInitializerRHI SamplerStateInitializer
(
GSystemSettings.TextureLODSettings.GetSamplerFilter( Owner ),
AM_Clamp,
AM_Clamp,
AM_Clamp
);
SamplerStateRHI = RHICreateSamplerState(SamplerStateInitializer);
// Set the greyscale format flag appropriately.
EPixelFormat PixelFormat = Owner->GetPixelFormat();
bGreyScaleFormat = (PixelFormat == PF_G8) || (PixelFormat == PF_BC4);
}
void UFontBulkData::Initialize(const FString& InFontFilename)
{
// The bulk data cannot be removed if we are loading from source file
BulkData.ClearBulkDataFlags( BULKDATA_SingleUse );
TUniquePtr<FArchive> Reader(IFileManager::Get().CreateFileReader(*InFontFilename, 0));
if(Reader)
{
const int32 FontDataSizeBytes = Reader->TotalSize();
BulkData.Lock(LOCK_READ_WRITE);
void* const LockedFontData = BulkData.Realloc(FontDataSizeBytes);
Reader->Serialize(LockedFontData, FontDataSizeBytes);
BulkData.Unlock();
INC_DWORD_STAT_BY( STAT_SlateBulkFontDataMemory, BulkData.GetBulkDataSize() );
}
else
{
UE_LOG(LogSlate, Warning, TEXT("Failed to load font data from '%s'"), *InFontFilename);
}
}
void FOcclusionQueryBatcher::Flush(FRHICommandListImmediate& RHICmdList)
{
if(BatchOcclusionQueries.Num())
{
FMemMark MemStackMark(FMemStack::Get());
// Create the indices for MaxBatchedPrimitives boxes.
FIndexBufferRHIParamRef IndexBufferRHI = GOcclusionQueryIndexBuffer.IndexBufferRHI;
// Draw the batches.
for(int32 BatchIndex = 0, NumBatches = BatchOcclusionQueries.Num();BatchIndex < NumBatches;BatchIndex++)
{
FOcclusionBatch& Batch = BatchOcclusionQueries[BatchIndex];
FRenderQueryRHIParamRef BatchOcclusionQuery = Batch.Query;
FVertexBufferRHIParamRef VertexBufferRHI = Batch.VertexAllocation.VertexBuffer->VertexBufferRHI;
uint32 VertexBufferOffset = Batch.VertexAllocation.VertexOffset;
const int32 NumPrimitivesThisBatch = (BatchIndex != (NumBatches-1)) ? MaxBatchedPrimitives : NumBatchedPrimitives;
RHICmdList.BeginRenderQuery(BatchOcclusionQuery);
RHICmdList.SetStreamSource(0, VertexBufferRHI, sizeof(FVector), VertexBufferOffset);
RHICmdList.DrawIndexedPrimitive(
IndexBufferRHI,
PT_TriangleList,
/*BaseVertexIndex=*/ 0,
/*MinIndex=*/ 0,
/*NumVertices=*/ 8 * NumPrimitivesThisBatch,
/*StartIndex=*/ 0,
/*NumPrimitives=*/ 12 * NumPrimitivesThisBatch,
/*NumInstances=*/ 1
);
RHICmdList.EndRenderQuery(BatchOcclusionQuery);
}
INC_DWORD_STAT_BY(STAT_OcclusionQueries,BatchOcclusionQueries.Num());
// Reset the batch state.
BatchOcclusionQueries.Empty(BatchOcclusionQueries.Num());
CurrentBatchOcclusionQuery = NULL;
}
}
const void* UFontBulkData::Lock(int32& OutFontDataSizeBytes) const
{
CriticalSection.Lock();
#if STATS
bool bWasLoaded = BulkData.IsBulkDataLoaded();
#endif
OutFontDataSizeBytes = BulkData.GetBulkDataSize();
const void* Data = BulkData.LockReadOnly();
#if STATS
if( !bWasLoaded && BulkData.IsBulkDataLoaded() )
{
INC_DWORD_STAT_BY( STAT_SlateBulkFontDataMemory, BulkData.GetBulkDataSize() );
}
#endif
return Data;
}
void UFontBulkData::ForceLoadBulkData()
{
FScopeLock Lock(&CriticalSection);
// Keep the bulk data resident once it's been loaded
BulkData.ClearBulkDataFlags(BULKDATA_SingleUse);
#if STATS
const bool bWasLoaded = BulkData.IsBulkDataLoaded();
#endif
// Trigger the load (if needed)
BulkData.LockReadOnly();
BulkData.Unlock();
#if STATS
if (!bWasLoaded && BulkData.IsBulkDataLoaded())
{
INC_DWORD_STAT_BY(STAT_SlateBulkFontDataMemory, BulkData.GetBulkDataSize());
}
#endif
}
/**
* Spawn particles for this instance
*
* @param OldLeftover The leftover time from the last spawn
* @param Rate The rate at which particles should be spawned
* @param DeltaTime The time slice to spawn over
* @param Burst The number of burst particle
* @param BurstTime The burst time addition (faked time slice)
*
* @return float The leftover fraction of spawning
*/
float FParticleBeam2EmitterInstance::SpawnBeamParticles(float OldLeftover, float Rate, float DeltaTime, int32 Burst, float BurstTime)
{
SCOPE_CYCLE_COUNTER(STAT_BeamSpawnTime);
float SafetyLeftover = OldLeftover;
float NewLeftover = OldLeftover + DeltaTime * Rate;
// Ensure continous spawning... lots of fiddling.
int32 Number = FMath::FloorToInt(NewLeftover);
float Increment = 1.f / Rate;
float StartTime = DeltaTime + OldLeftover * Increment - Increment;
NewLeftover = NewLeftover - Number;
// Always match the burst at a minimum
if (Number < Burst)
{
Number = Burst;
}
// Account for burst time simulation
if (BurstTime > KINDA_SMALL_NUMBER)
{
NewLeftover -= BurstTime / Burst;
NewLeftover = FMath::Clamp<float>(NewLeftover, 0, NewLeftover);
}
// Force a beam
bool bNoLivingParticles = false;
if (ActiveParticles == 0)
{
bNoLivingParticles = true;
if (Number == 0)
Number = 1;
}
// Don't allow more than BeamCount beams...
if (Number + ActiveParticles > BeamCount)
{
Number = BeamCount - ActiveParticles;
}
// Handle growing arrays.
bool bProcessSpawn = true;
int32 NewCount = ActiveParticles + Number;
if (NewCount >= MaxActiveParticles)
{
if (DeltaTime < 0.25f)
{
bProcessSpawn = Resize(NewCount + FMath::TruncToInt(FMath::Sqrt((float)NewCount)) + 1);
}
else
{
bProcessSpawn = Resize((NewCount + FMath::TruncToInt(FMath::Sqrt((float)NewCount)) + 1), false);
}
}
if (bProcessSpawn == true)
{
UParticleLODLevel* LODLevel = SpriteTemplate->GetCurrentLODLevel(this);
check(LODLevel);
// Spawn particles.
SpawnParticles( Number, StartTime, Increment, Location, FVector::ZeroVector, NULL );
if (ForceSpawnCount > 0)
{
ForceSpawnCount = 0;
}
INC_DWORD_STAT_BY(STAT_BeamParticles, ActiveParticles);
return NewLeftover;
}
INC_DWORD_STAT_BY(STAT_BeamParticles, ActiveParticles);
return SafetyLeftover;
}
void FShaderResource::InitRHI()
{
checkf(Code.Num() > 0, TEXT("FShaderResource::InitRHI was called with empty bytecode, which can happen if the resource is initialized multiple times on platforms with no editor data."));
// we can't have this called on the wrong platform's shaders
if (!ArePlatformsCompatible(GMaxRHIShaderPlatform, (EShaderPlatform)Target.Platform))
{
if (FPlatformProperties::RequiresCookedData())
{
UE_LOG(LogShaders, Fatal, TEXT("FShaderResource::InitRHI got platform %s but it is not compatible with %s"),
*LegacyShaderPlatformToShaderFormat((EShaderPlatform)Target.Platform).ToString(), *LegacyShaderPlatformToShaderFormat(GMaxRHIShaderPlatform).ToString());
}
return;
}
INC_DWORD_STAT_BY(STAT_Shaders_NumShadersUsedForRendering, 1);
SCOPE_CYCLE_COUNTER(STAT_Shaders_RTShaderLoadTime);
FShaderCache* ShaderCache = FShaderCache::GetShaderCache();
if(Target.Frequency == SF_Vertex)
{
VertexShader = ShaderCache ? ShaderCache->GetVertexShader((EShaderPlatform)Target.Platform, OutputHash, Code) : RHICreateVertexShader(Code);
}
else if(Target.Frequency == SF_Pixel)
{
PixelShader = ShaderCache ? ShaderCache->GetPixelShader((EShaderPlatform)Target.Platform, OutputHash, Code) : RHICreatePixelShader(Code);
}
else if(Target.Frequency == SF_Hull)
{
HullShader = ShaderCache ? ShaderCache->GetHullShader((EShaderPlatform)Target.Platform, OutputHash, Code) : RHICreateHullShader(Code);
}
else if(Target.Frequency == SF_Domain)
{
DomainShader = ShaderCache ? ShaderCache->GetDomainShader((EShaderPlatform)Target.Platform, OutputHash, Code) : RHICreateDomainShader(Code);
}
else if(Target.Frequency == SF_Geometry)
{
if (SpecificType)
{
FStreamOutElementList ElementList;
TArray<uint32> StreamStrides;
int32 RasterizedStream = -1;
SpecificType->GetStreamOutElements(ElementList, StreamStrides, RasterizedStream);
checkf(ElementList.Num(), *FString::Printf(TEXT("Shader type %s was given GetStreamOutElements implementation that had no elements!"), SpecificType->GetName()));
//@todo - not using the cache
GeometryShader = RHICreateGeometryShaderWithStreamOutput(Code, ElementList, StreamStrides.Num(), StreamStrides.GetData(), RasterizedStream);
}
else
{
GeometryShader = ShaderCache ? ShaderCache->GetGeometryShader((EShaderPlatform)Target.Platform, OutputHash, Code) : RHICreateGeometryShader(Code);
}
}
else if(Target.Frequency == SF_Compute)
{
ComputeShader = ShaderCache ? ShaderCache->GetComputeShader((EShaderPlatform)Target.Platform, Code) : RHICreateComputeShader(Code);
}
if (Target.Frequency != SF_Geometry)
{
checkf(!SpecificType, *FString::Printf(TEXT("Only geometry shaders can use GetStreamOutElements, shader type %s"), SpecificType->GetName()));
}
if (!FPlatformProperties::HasEditorOnlyData())
{
DEC_DWORD_STAT_BY_FName(GetMemoryStatType((EShaderFrequency)Target.Frequency).GetName(), Code.Num());
DEC_DWORD_STAT_BY(STAT_Shaders_ShaderResourceMemory, Code.GetAllocatedSize());
Code.Empty();
}
}
void FAsyncIOSystemBase::Tick()
{
// Create file handles.
{
TArray<FString> FileNamesToCacheHandles;
// Only enter critical section for copying existing array over. We don't operate on the
// real array as creating file handles might take a while and we don't want to have other
// threads stalling on submission of requests.
{
FScopeLock ScopeLock( CriticalSection );
for( int32 RequestIdx=0; RequestIdx<OutstandingRequests.Num(); RequestIdx++ )
{
// Early outs avoid unnecessary work and string copies with implicit allocator churn.
FAsyncIORequest& OutstandingRequest = OutstandingRequests[RequestIdx];
if( OutstandingRequest.bHasAlreadyRequestedHandleToBeCached == false
&& OutstandingRequest.bIsDestroyHandleRequest == false
&& FindCachedFileHandle( OutstandingRequest.FileNameHash ) == NULL )
{
new(FileNamesToCacheHandles)FString(*OutstandingRequest.FileName);
OutstandingRequest.bHasAlreadyRequestedHandleToBeCached = true;
}
}
}
// Create file handles for requests down the pipe. This is done here so we can later on
// use the handles to figure out the sort keys.
for( int32 FileNameIndex=0; FileNameIndex<FileNamesToCacheHandles.Num(); FileNameIndex++ )
{
GetCachedFileHandle( FileNamesToCacheHandles[FileNameIndex] );
}
}
// Copy of request.
FAsyncIORequest IORequest;
bool bIsRequestPending = false;
{
FScopeLock ScopeLock( CriticalSection );
if( OutstandingRequests.Num() )
{
// Gets next request index based on platform specific criteria like layout on disc.
int32 TheRequestIndex = PlatformGetNextRequestIndex();
if( TheRequestIndex != INDEX_NONE )
{
// We need to copy as we're going to remove it...
IORequest = OutstandingRequests[ TheRequestIndex ];
// ...right here.
// NOTE: this needs to be a Remove, not a RemoveSwap because the base implementation
// of PlatformGetNextRequestIndex is a FIFO taking priority into account
OutstandingRequests.RemoveAt( TheRequestIndex );
// We're busy. Updated inside scoped lock to ensure BlockTillAllRequestsFinished works correctly.
BusyWithRequest.Increment();
bIsRequestPending = true;
}
}
}
// We only have work to do if there's a request pending.
if( bIsRequestPending )
{
// handle a destroy handle request from the queue
if( IORequest.bIsDestroyHandleRequest )
{
IFileHandle* FileHandle = FindCachedFileHandle( IORequest.FileNameHash );
if( FileHandle )
{
// destroy and remove the handle
delete FileHandle;
NameHashToHandleMap.Remove(IORequest.FileNameHash);
}
}
else
{
// Retrieve cached handle or create it if it wasn't cached. We purposefully don't look at currently
// set value as it might be stale by now.
IFileHandle* FileHandle = GetCachedFileHandle( IORequest.FileName );
if( FileHandle )
{
if( IORequest.UncompressedSize )
{
// Data is compressed on disc so we need to also decompress.
FulfillCompressedRead( IORequest, FileHandle );
}
else
{
// Read data after seeking.
InternalRead( FileHandle, IORequest.Offset, IORequest.Size, IORequest.Dest );
}
INC_DWORD_STAT( STAT_AsyncIO_FulfilledReadCount );
INC_DWORD_STAT_BY( STAT_AsyncIO_FulfilledReadSize, IORequest.Size );
}
else
{
//@todo streaming: add warning once we have thread safe logging.
}
DEC_DWORD_STAT( STAT_AsyncIO_OutstandingReadCount );
DEC_DWORD_STAT_BY( STAT_AsyncIO_OutstandingReadSize, IORequest.Size );
}
// Request fulfilled.
if( IORequest.Counter )
{
IORequest.Counter->Decrement();
}
// We're done reading for now.
BusyWithRequest.Decrement();
}
else
{
if( !OutstandingRequests.Num() && FPlatformProcess::SupportsMultithreading() )
{
// We're really out of requests now, wait till the calling thread signals further work
OutstandingRequestsEvent->Wait();
}
}
}
void FRCPassPostProcessDeferredDecals::Process(FRenderingCompositePassContext& Context)
{
FRHICommandListImmediate& RHICmdList = Context.RHICmdList;
FSceneRenderTargets& SceneContext = FSceneRenderTargets::Get(RHICmdList);
const bool bShaderComplexity = Context.View.Family->EngineShowFlags.ShaderComplexity;
const bool bDBuffer = IsDBufferEnabled();
const bool bStencilSizeThreshold = CVarStencilSizeThreshold.GetValueOnRenderThread() >= 0;
SCOPED_DRAW_EVENTF(RHICmdList, DeferredDecals, TEXT("DeferredDecals %s"), GetStageName(CurrentStage));
if (CurrentStage == DRS_BeforeBasePass)
{
// before BasePass, only if DBuffer is enabled
check(bDBuffer);
FPooledRenderTargetDesc GBufferADesc;
SceneContext.GetGBufferADesc(GBufferADesc);
// DBuffer: Decal buffer
FPooledRenderTargetDesc Desc(FPooledRenderTargetDesc::Create2DDesc(GBufferADesc.Extent,
PF_B8G8R8A8,
FClearValueBinding::None,
TexCreate_None,
TexCreate_ShaderResource | TexCreate_RenderTargetable,
false,
1,
true,
true));
if (!SceneContext.DBufferA)
{
Desc.ClearValue = FClearValueBinding::Black;
GRenderTargetPool.FindFreeElement(RHICmdList, Desc, SceneContext.DBufferA, TEXT("DBufferA"));
}
if (!SceneContext.DBufferB)
{
Desc.ClearValue = FClearValueBinding(FLinearColor(128.0f / 255.0f, 128.0f / 255.0f, 128.0f / 255.0f, 1));
GRenderTargetPool.FindFreeElement(RHICmdList, Desc, SceneContext.DBufferB, TEXT("DBufferB"));
}
Desc.Format = PF_R8G8;
if (!SceneContext.DBufferC)
{
Desc.ClearValue = FClearValueBinding(FLinearColor(0, 1, 0, 1));
GRenderTargetPool.FindFreeElement(RHICmdList, Desc, SceneContext.DBufferC, TEXT("DBufferC"));
}
// we assume views are non overlapping, then we need to clear only once in the beginning, otherwise we would need to set scissor rects
// and don't get FastClear any more.
bool bFirstView = Context.View.Family->Views[0] == &Context.View;
if (bFirstView)
{
SCOPED_DRAW_EVENT(RHICmdList, DBufferClear);
FRHIRenderTargetView RenderTargets[3];
RenderTargets[0] = FRHIRenderTargetView(SceneContext.DBufferA->GetRenderTargetItem().TargetableTexture, 0, -1, ERenderTargetLoadAction::EClear, ERenderTargetStoreAction::EStore);
RenderTargets[1] = FRHIRenderTargetView(SceneContext.DBufferB->GetRenderTargetItem().TargetableTexture, 0, -1, ERenderTargetLoadAction::EClear, ERenderTargetStoreAction::EStore);
RenderTargets[2] = FRHIRenderTargetView(SceneContext.DBufferC->GetRenderTargetItem().TargetableTexture, 0, -1, ERenderTargetLoadAction::EClear, ERenderTargetStoreAction::EStore);
FRHIDepthRenderTargetView DepthView(SceneContext.GetSceneDepthTexture(), ERenderTargetLoadAction::ELoad, ERenderTargetStoreAction::ENoAction, ERenderTargetLoadAction::ELoad, ERenderTargetStoreAction::ENoAction, FExclusiveDepthStencil(FExclusiveDepthStencil::DepthRead_StencilWrite));
FRHISetRenderTargetsInfo Info(3, RenderTargets, DepthView);
RHICmdList.SetRenderTargetsAndClear(Info);
}
}
// this cast is safe as only the dedicated server implements this differently and this pass should not be executed on the dedicated server
const FViewInfo& View = Context.View;
const FSceneViewFamily& ViewFamily = *(View.Family);
bool bHasValidDBufferMask = false;
if(ViewFamily.EngineShowFlags.Decals)
{
if(CurrentStage == DRS_BeforeBasePass || CurrentStage == DRS_BeforeLighting)
{
RenderMeshDecals(Context, CurrentStage);
}
FScene& Scene = *(FScene*)ViewFamily.Scene;
//don't early return. Resolves must be run for fast clears to work.
if (Scene.Decals.Num())
{
FDecalRenderTargetManager RenderTargetManager(RHICmdList, Context.GetShaderPlatform(), CurrentStage);
// Build a list of decals that need to be rendered for this view
FTransientDecalRenderDataList SortedDecals;
FDecalRendering::BuildVisibleDecalList(Scene, View, CurrentStage, SortedDecals);
if (SortedDecals.Num() > 0)
{
SCOPED_DRAW_EVENTF(RHICmdList, DeferredDecalsInner, TEXT("DeferredDecalsInner %d/%d"), SortedDecals.Num(), Scene.Decals.Num());
// optimization to have less state changes
EDecalRasterizerState LastDecalRasterizerState = DRS_Undefined;
FDecalDepthState LastDecalDepthState;
int32 LastDecalBlendMode = -1;
int32 LastDecalHasNormal = -1; // Decal state can change based on its normal property.(SM5)
FDecalRenderingCommon::ERenderTargetMode LastRenderTargetMode = FDecalRenderingCommon::RTM_Unknown;
const ERHIFeatureLevel::Type SMFeatureLevel = Context.GetFeatureLevel();
SCOPED_DRAW_EVENT(RHICmdList, Decals);
INC_DWORD_STAT_BY(STAT_Decals, SortedDecals.Num());
for (int32 DecalIndex = 0, DecalCount = SortedDecals.Num(); DecalIndex < DecalCount; DecalIndex++)
{
const FTransientDecalRenderData& DecalData = SortedDecals[DecalIndex];
const FDeferredDecalProxy& DecalProxy = *DecalData.DecalProxy;
const FMatrix ComponentToWorldMatrix = DecalProxy.ComponentTrans.ToMatrixWithScale();
const FMatrix FrustumComponentToClip = FDecalRendering::ComputeComponentToClipMatrix(View, ComponentToWorldMatrix);
EDecalBlendMode DecalBlendMode = DecalData.DecalBlendMode;
EDecalRenderStage LocalDecalStage = FDecalRenderingCommon::ComputeRenderStage(View.GetShaderPlatform(), DecalBlendMode);
bool bStencilThisDecal = IsStencilOptimizationAvailable(LocalDecalStage);
FDecalRenderingCommon::ERenderTargetMode CurrentRenderTargetMode = FDecalRenderingCommon::ComputeRenderTargetMode(View.GetShaderPlatform(), DecalBlendMode, DecalData.bHasNormal);
if (bShaderComplexity)
{
CurrentRenderTargetMode = FDecalRenderingCommon::RTM_SceneColor;
// we want additive blending for the ShaderComplexity mode
DecalBlendMode = DBM_Emissive;
}
// Here we assume that GBuffer can only be WorldNormal since it is the only GBufferTarget handled correctly.
if (RenderTargetManager.bGufferADirty && DecalData.MaterialResource->NeedsGBuffer())
{
RHICmdList.CopyToResolveTarget(SceneContext.GBufferA->GetRenderTargetItem().TargetableTexture, SceneContext.GBufferA->GetRenderTargetItem().TargetableTexture, true, FResolveParams());
RenderTargetManager.TargetsToResolve[FDecalRenderTargetManager::GBufferAIndex] = nullptr;
RenderTargetManager.bGufferADirty = false;
}
// fewer rendertarget switches if possible
if (CurrentRenderTargetMode != LastRenderTargetMode)
{
LastRenderTargetMode = CurrentRenderTargetMode;
RenderTargetManager.SetRenderTargetMode(CurrentRenderTargetMode, DecalData.bHasNormal);
Context.SetViewportAndCallRHI(Context.View.ViewRect);
}
bool bThisDecalUsesStencil = false;
if (bStencilThisDecal && bStencilSizeThreshold)
{
// note this is after a SetStreamSource (in if CurrentRenderTargetMode != LastRenderTargetMode) call as it needs to get the VB input
bThisDecalUsesStencil = RenderPreStencil(Context, ComponentToWorldMatrix, FrustumComponentToClip);
LastDecalRasterizerState = DRS_Undefined;
LastDecalDepthState = FDecalDepthState();
LastDecalBlendMode = -1;
}
const bool bBlendStateChange = DecalBlendMode != LastDecalBlendMode;// Has decal mode changed.
const bool bDecalNormalChanged = GSupportsSeparateRenderTargetBlendState && // has normal changed for SM5 stain/translucent decals?
(DecalBlendMode == DBM_Translucent || DecalBlendMode == DBM_Stain) &&
(int32)DecalData.bHasNormal != LastDecalHasNormal;
// fewer blend state changes if possible
if (bBlendStateChange || bDecalNormalChanged)
{
LastDecalBlendMode = DecalBlendMode;
LastDecalHasNormal = (int32)DecalData.bHasNormal;
SetDecalBlendState(RHICmdList, SMFeatureLevel, CurrentStage, (EDecalBlendMode)LastDecalBlendMode, DecalData.bHasNormal);
}
// todo
const float ConservativeRadius = DecalData.ConservativeRadius;
// const int32 IsInsideDecal = ((FVector)View.ViewMatrices.ViewOrigin - ComponentToWorldMatrix.GetOrigin()).SizeSquared() < FMath::Square(ConservativeRadius * 1.05f + View.NearClippingDistance * 2.0f) + ( bThisDecalUsesStencil ) ? 2 : 0;
const bool bInsideDecal = ((FVector)View.ViewMatrices.ViewOrigin - ComponentToWorldMatrix.GetOrigin()).SizeSquared() < FMath::Square(ConservativeRadius * 1.05f + View.NearClippingDistance * 2.0f);
// const bool bInsideDecal = !(IsInsideDecal & 1);
// update rasterizer state if needed
{
bool bReverseHanded = false;
{
// Account for the reversal of handedness caused by negative scale on the decal
const auto& Scale3d = DecalProxy.ComponentTrans.GetScale3D();
bReverseHanded = Scale3d[0] * Scale3d[1] * Scale3d[2] < 0.f;
}
EDecalRasterizerState DecalRasterizerState = ComputeDecalRasterizerState(bInsideDecal, bReverseHanded, View);
if (LastDecalRasterizerState != DecalRasterizerState)
{
LastDecalRasterizerState = DecalRasterizerState;
SetDecalRasterizerState(DecalRasterizerState, RHICmdList);
}
}
// update DepthStencil state if needed
{
FDecalDepthState DecalDepthState = ComputeDecalDepthState(LocalDecalStage, bInsideDecal, bThisDecalUsesStencil);
if (LastDecalDepthState != DecalDepthState)
{
LastDecalDepthState = DecalDepthState;
SetDecalDepthState(DecalDepthState, RHICmdList);
}
}
FDecalRendering::SetShader(RHICmdList, View, DecalData, FrustumComponentToClip);
RHICmdList.DrawIndexedPrimitive(GetUnitCubeIndexBuffer(), PT_TriangleList, 0, 0, 8, 0, ARRAY_COUNT(GCubeIndices) / 3, 1);
RenderTargetManager.bGufferADirty |= (RenderTargetManager.TargetsToResolve[FDecalRenderTargetManager::GBufferAIndex] != nullptr);
}
// we don't modify stencil but if out input was having stencil for us (after base pass - we need to clear)
// Clear stencil to 0, which is the assumed default by other passes
RHICmdList.Clear(false, FLinearColor::White, false, (float)ERHIZBuffer::FarPlane, true, 0, FIntRect());
}
if (CurrentStage == DRS_BeforeBasePass)
{
// combine DBuffer RTWriteMasks; will end up in one texture we can load from in the base pass PS and decide whether to do the actual work or not
RenderTargetManager.FlushMetaData();
if (GSupportsRenderTargetWriteMask)
{
DecodeRTWriteMask(Context);
bHasValidDBufferMask = true;
}
}
RenderTargetManager.ResolveTargets();
}
if (CurrentStage == DRS_BeforeBasePass)
{
// before BasePass
GRenderTargetPool.VisualizeTexture.SetCheckPoint(RHICmdList, SceneContext.DBufferA);
GRenderTargetPool.VisualizeTexture.SetCheckPoint(RHICmdList, SceneContext.DBufferB);
GRenderTargetPool.VisualizeTexture.SetCheckPoint(RHICmdList, SceneContext.DBufferC);
}
}
if (CurrentStage == DRS_BeforeBasePass && !bHasValidDBufferMask)
{
// Return the DBufferMask to the render target pool.
// FDeferredPixelShaderParameters will fall back to setting a white dummy mask texture.
// This allows us to ignore the DBufferMask on frames without decals, without having to explicitly clear the texture.
SceneContext.DBufferMask = nullptr;
}
}
