RenderGraphTrace.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "HAL/Platform.h"
#include "RHITransientResourceAllocator.h"
#include "RenderGraphDefinitions.h"
#include "Trace/Trace.h"
 
class FRDGBuffer;
class FRDGBuilder;
class FRDGPass;
class FRDGTexture;
class FRDGViewableResource;
namespace UE { namespace Trace { class FChannel; } }
 
#if RDG_ENABLE_TRACE
 
UE_TRACE_CHANNEL_EXTERN(RDGChannel, RENDERCORE_API);
 
class FRDGTrace
{
public:
    RENDERCORE_API FRDGTrace();
 
    RENDERCORE_API void OutputGraphBegin();
    RENDERCORE_API void OutputGraphEnd(const FRDGBuilder& GraphBuilder);
 
    RENDERCORE_API void AddResource(FRDGViewableResource* Resource);
    RENDERCORE_API void AddTexturePassDependency(FRDGTexture* Texture, FRDGPass* Pass);
    RENDERCORE_API void AddBufferPassDependency(FRDGBuffer* Buffer, FRDGPass* Pass);
 
    FRHITransientAllocationStats TransientAllocationStats;
 
    RENDERCORE_API bool IsEnabled() const;
 
private:
    uint64 GraphStartCycles{};
    uint32 ResourceOrder{};
    bool bEnabled;
};
 
#endif