void FDrawEvent::Start(FRHICommandList& InRHICmdList, const FColor& Color, const TCHAR* Fmt, ...)
{
check(IsInParallelRenderingThread() || IsInRHIThread());
{
va_list ptr;
va_start(ptr, Fmt);
TCHAR TempStr[256];
// Build the string in the temp buffer
FCString::GetVarArgs(TempStr, ARRAY_COUNT(TempStr), ARRAY_COUNT(TempStr) - 1, Fmt, ptr);
InRHICmdList.PushEvent(TempStr);
RHICmdList = &InRHICmdList;
}
}
void FDrawEventRHIExecute::Start(IRHIComputeContext& InRHICommandContext, FColor Color, const TCHAR* Fmt, ...)
{
check(IsInParallelRenderingThread() || IsInRHIThread() || (!GRHIThread && IsInRenderingThread()));
{
va_list ptr;
va_start(ptr, Fmt);
TCHAR TempStr[256];
// Build the string in the temp buffer
FCString::GetVarArgs(TempStr, ARRAY_COUNT(TempStr), ARRAY_COUNT(TempStr) - 1, Fmt, ptr);
RHICommandContext = &InRHICommandContext;
RHICommandContext->RHIPushEvent(TempStr, Color);
}
}
FPrimitiveViewRelevance FPaperBatchSceneProxy::GetViewRelevance(const FSceneView* View)
{
checkSlow(IsInParallelRenderingThread());
FPrimitiveViewRelevance Result;
Result.bDrawRelevance = IsShown(View) && View->Family->EngineShowFlags.Paper2DSprites;
Result.bRenderCustomDepth = ShouldRenderCustomDepth();
Result.bRenderInMainPass = ShouldRenderInMainPass();
Result.bMaskedRelevance = true;
//Result.bNormalTranslucencyRelevance = true;
Result.bDynamicRelevance = true;
Result.bOpaqueRelevance = true;
return Result;
}
bool FVelocityDrawingPolicy::HasVelocity(const FViewInfo& View, const FPrimitiveSceneInfo* PrimitiveSceneInfo)
{
checkSlow(IsInParallelRenderingThread());
// No velocity if motionblur is off, or if it's a non-moving object (treat as background in that case)
if (View.bCameraCut || !PrimitiveSceneInfo->Proxy->IsMovable())
{
return false;
}
if (PrimitiveSceneInfo->Proxy->AlwaysHasVelocity())
{
return true;
}
if (PrimitiveSceneInfo->bVelocityIsSupressed)
{
return false;
}
// check if the primitive has moved
{
FMatrix PreviousLocalToWorld;
// hack
FScene* Scene = PrimitiveSceneInfo->Scene;
if (Scene->MotionBlurInfoData.GetPrimitiveMotionBlurInfo(PrimitiveSceneInfo, PreviousLocalToWorld))
{
check(PrimitiveSceneInfo->Proxy);
const FMatrix& LocalToWorld = PrimitiveSceneInfo->Proxy->GetLocalToWorld();
// Hasn't moved (treat as background by not rendering any special velocities)?
if (LocalToWorld.Equals(PreviousLocalToWorld, 0.0001f))
{
return false;
}
}
else
{
return false;
}
}
return true;
}
void FRenderResource::InitResourceFromPossiblyParallelRendering()
{
if (IsInRenderingThread())
{
InitResource();
}
else
{
check(IsInParallelRenderingThread());
class FInitResourceRenderThreadTask
{
FRenderResource& Resource;
FScopedEvent& Event;
public:
FInitResourceRenderThreadTask(FRenderResource& InResource, FScopedEvent& InEvent)
: Resource(InResource)
, Event(InEvent)
{
}
FORCEINLINE TStatId GetStatId() const
{
RETURN_QUICK_DECLARE_CYCLE_STAT(FInitResourceRenderThreadTask, STATGROUP_TaskGraphTasks);
}
ENamedThreads::Type GetDesiredThread()
{
return ENamedThreads::RenderThread_Local;
}
static ESubsequentsMode::Type GetSubsequentsMode() { return ESubsequentsMode::FireAndForget; }
void DoTask(ENamedThreads::Type CurrentThread, const FGraphEventRef& MyCompletionGraphEvent)
{
Resource.InitResource();
Event.Trigger();
}
};
{
FScopedEvent Event;
TGraphTask<FInitResourceRenderThreadTask>::CreateTask().ConstructAndDispatchWhenReady(*this, Event);
}
}
}
bool FVelocityDrawingPolicy::HasVelocityOnBasePass(const FViewInfo& View,const FPrimitiveSceneProxy* PrimitiveSceneProxy, const FPrimitiveSceneInfo* PrimitiveSceneInfo, const FMeshBatch& Mesh, bool& bOutHasTransform, FMatrix& OutTransform)
{
checkSlow(IsInParallelRenderingThread());
// No velocity if motionblur is off, or if it's a non-moving object (treat as background in that case)
if (View.bCameraCut)
{
return false;
}
//@todo-rco: Where is this set?
if (PrimitiveSceneInfo->bVelocityIsSupressed)
{
return false;
}
// hack
FScene* Scene = PrimitiveSceneInfo->Scene;
if (Scene->MotionBlurInfoData.GetPrimitiveMotionBlurInfo(PrimitiveSceneInfo, OutTransform))
{
bOutHasTransform = true;
/*
const FMatrix& LocalToWorld = PrimitiveSceneProxy->GetLocalToWorld();
// Hasn't moved (treat as background by not rendering any special velocities)?
if (LocalToWorld.Equals(OutTransform, 0.0001f))
{
return false;
}
*/
return true;
}
bOutHasTransform = false;
if (PrimitiveSceneProxy->IsMovable())
{
return true;
}
//@todo-rco: Optimize finding WPO!
auto* Material = Mesh.MaterialRenderProxy->GetMaterial(Scene->GetFeatureLevel());
return Material->MaterialModifiesMeshPosition_RenderThread() && Material->OutputsVelocityOnBasePass();
}
FUniformBufferRHIRef FUniformExpressionSet::CreateUniformBuffer(const FMaterialRenderContext& MaterialRenderContext, FRHICommandList* CommandListIfLocalMode, struct FLocalUniformBuffer* OutLocalUniformBuffer) const
{
check(UniformBufferStruct);
check(IsInParallelRenderingThread());
FUniformBufferRHIRef UniformBuffer;
if (UniformBufferStruct->GetSize() > 0)
{
FMemMark Mark(FMemStack::Get());
void* const TempBuffer = FMemStack::Get().PushBytes(UniformBufferStruct->GetSize(),UNIFORM_BUFFER_STRUCT_ALIGNMENT);
FLinearColor* TempVectorBuffer = (FLinearColor*)TempBuffer;
for(int32 VectorIndex = 0;VectorIndex < UniformVectorExpressions.Num();++VectorIndex)
{
TempVectorBuffer[VectorIndex] = FLinearColor(0,0,0,0);
UniformVectorExpressions[VectorIndex]->GetNumberValue(MaterialRenderContext,TempVectorBuffer[VectorIndex]);
}
float* TempScalarBuffer = (float*)(TempVectorBuffer + UniformVectorExpressions.Num());
for(int32 ScalarIndex = 0;ScalarIndex < UniformScalarExpressions.Num();++ScalarIndex)
{
FLinearColor VectorValue(0,0,0,0);
UniformScalarExpressions[ScalarIndex]->GetNumberValue(MaterialRenderContext,VectorValue);
TempScalarBuffer[ScalarIndex] = VectorValue.R;
}
void** ResourceTable = (void**)((uint8*)TempBuffer + UniformBufferStruct->GetLayout().ResourceOffset);
check(((UPTRINT)ResourceTable & 0x7) == 0);
check(UniformBufferStruct->GetLayout().Resources.Num() == Uniform2DTextureExpressions.Num() * 2 + UniformCubeTextureExpressions.Num() * 2 + 2);
// Cache 2D texture uniform expressions.
for(int32 ExpressionIndex = 0;ExpressionIndex < Uniform2DTextureExpressions.Num();ExpressionIndex++)
{
const UTexture* Value;
ESamplerSourceMode SourceMode;
Uniform2DTextureExpressions[ExpressionIndex]->GetTextureValue(MaterialRenderContext,MaterialRenderContext.Material,Value,SourceMode);
if (Value && Value->Resource)
{
//@todo-rco: Help track down a invalid values
checkf(Value->IsA(UTexture::StaticClass()), TEXT("Expecting a UTexture! Value='%s' class='%s'"), *Value->GetName(), *Value->GetClass()->GetName());
// UMaterial / UMaterialInstance should have caused all dependent textures to be PostLoaded, which initializes their rendering resource
checkf(Value->TextureReference.TextureReferenceRHI, TEXT("Texture %s of class %s had invalid texture reference"), *Value->GetName(), *Value->GetClass()->GetName());
*ResourceTable++ = Value->TextureReference.TextureReferenceRHI;
FSamplerStateRHIRef* SamplerSource = &Value->Resource->SamplerStateRHI;
if (SourceMode == SSM_Wrap_WorldGroupSettings)
{
SamplerSource = &Wrap_WorldGroupSettings->SamplerStateRHI;
}
else if (SourceMode == SSM_Clamp_WorldGroupSettings)
{
SamplerSource = &Clamp_WorldGroupSettings->SamplerStateRHI;
}
*ResourceTable++ = *SamplerSource;
}
else
{
*ResourceTable++ = GWhiteTexture->TextureRHI;
*ResourceTable++ = GWhiteTexture->SamplerStateRHI;
}
}
// Cache cube texture uniform expressions.
for(int32 ExpressionIndex = 0;ExpressionIndex < UniformCubeTextureExpressions.Num();ExpressionIndex++)
{
const UTexture* Value;
ESamplerSourceMode SourceMode;
UniformCubeTextureExpressions[ExpressionIndex]->GetTextureValue(MaterialRenderContext,MaterialRenderContext.Material,Value,SourceMode);
if(Value && Value->Resource)
{
check(Value->TextureReference.TextureReferenceRHI);
*ResourceTable++ = Value->TextureReference.TextureReferenceRHI;
FSamplerStateRHIRef* SamplerSource = &Value->Resource->SamplerStateRHI;
if (SourceMode == SSM_Wrap_WorldGroupSettings)
{
SamplerSource = &Wrap_WorldGroupSettings->SamplerStateRHI;
}
else if (SourceMode == SSM_Clamp_WorldGroupSettings)
{
SamplerSource = &Clamp_WorldGroupSettings->SamplerStateRHI;
}
*ResourceTable++ = *SamplerSource;
}
else
{
*ResourceTable++ = GWhiteTexture->TextureRHI;
*ResourceTable++ = GWhiteTexture->SamplerStateRHI;
}
}
*ResourceTable++ = Wrap_WorldGroupSettings->SamplerStateRHI;
*ResourceTable++ = Clamp_WorldGroupSettings->SamplerStateRHI;
if (CommandListIfLocalMode)
{
check(OutLocalUniformBuffer);
*OutLocalUniformBuffer = CommandListIfLocalMode->BuildLocalUniformBuffer(TempBuffer, UniformBufferStruct->GetSize(), UniformBufferStruct->GetLayout());
check(OutLocalUniformBuffer->IsValid());
}
else
{
UniformBuffer = RHICreateUniformBuffer(TempBuffer, UniformBufferStruct->GetLayout(), UniformBuffer_MultiFrame);
check(!OutLocalUniformBuffer->IsValid());
}
}
return UniformBuffer;
}
FUniformBufferRHIRef FUniformExpressionSet::CreateUniformBuffer(const FMaterialRenderContext& MaterialRenderContext, FRHICommandList* CommandListIfLocalMode, struct FLocalUniformBuffer* OutLocalUniformBuffer) const
{
check(UniformBufferStruct);
check(IsInParallelRenderingThread());
FUniformBufferRHIRef UniformBuffer;
if (UniformBufferStruct->GetSize() > 0)
{
FMemMark Mark(FMemStack::Get());
void* const TempBuffer = FMemStack::Get().PushBytes(UniformBufferStruct->GetSize(),UNIFORM_BUFFER_STRUCT_ALIGNMENT);
FLinearColor* TempVectorBuffer = (FLinearColor*)TempBuffer;
for(int32 VectorIndex = 0;VectorIndex < UniformVectorExpressions.Num();++VectorIndex)
{
TempVectorBuffer[VectorIndex] = FLinearColor(0,0,0,0);
UniformVectorExpressions[VectorIndex]->GetNumberValue(MaterialRenderContext,TempVectorBuffer[VectorIndex]);
}
float* TempScalarBuffer = (float*)(TempVectorBuffer + UniformVectorExpressions.Num());
for(int32 ScalarIndex = 0;ScalarIndex < UniformScalarExpressions.Num();++ScalarIndex)
{
FLinearColor VectorValue(0,0,0,0);
UniformScalarExpressions[ScalarIndex]->GetNumberValue(MaterialRenderContext,VectorValue);
TempScalarBuffer[ScalarIndex] = VectorValue.R;
}
void** ResourceTable = (void**)((uint8*)TempBuffer + UniformBufferStruct->GetLayout().ResourceOffset);
check(((UPTRINT)ResourceTable & 0x7) == 0);
// Cache 2D texture uniform expressions.
for(int32 ExpressionIndex = 0;ExpressionIndex < Uniform2DTextureExpressions.Num();ExpressionIndex++)
{
const UTexture* Value;
Uniform2DTextureExpressions[ExpressionIndex]->GetTextureValue(MaterialRenderContext,MaterialRenderContext.Material,Value);
if(Value && Value->Resource)
{
*ResourceTable++ = Value->TextureReference.TextureReferenceRHI;
*ResourceTable++ = Value->Resource->SamplerStateRHI;
}
else
{
*ResourceTable++ = GWhiteTexture->TextureRHI;
*ResourceTable++ = GWhiteTexture->SamplerStateRHI;
}
}
// Cache cube texture uniform expressions.
for(int32 ExpressionIndex = 0;ExpressionIndex < UniformCubeTextureExpressions.Num();ExpressionIndex++)
{
const UTexture* Value;
UniformCubeTextureExpressions[ExpressionIndex]->GetTextureValue(MaterialRenderContext,MaterialRenderContext.Material,Value);
if(Value && Value->Resource)
{
*ResourceTable++ = Value->TextureReference.TextureReferenceRHI;
*ResourceTable++ = Value->Resource->SamplerStateRHI;
}
else
{
*ResourceTable++ = GWhiteTexture->TextureRHI;
*ResourceTable++ = GWhiteTexture->SamplerStateRHI;
}
}
if (CommandListIfLocalMode)
{
check(OutLocalUniformBuffer);
*OutLocalUniformBuffer = CommandListIfLocalMode->BuildLocalUniformBuffer(TempBuffer, UniformBufferStruct->GetSize(), UniformBufferStruct->GetLayout());
check(OutLocalUniformBuffer->IsValid());
}
else
{
UniformBuffer = RHICreateUniformBuffer(TempBuffer, UniformBufferStruct->GetLayout(), UniformBuffer_MultiFrame);
check(!OutLocalUniformBuffer->IsValid());
}
}
return UniformBuffer;
}