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#rb mihnea.balta #preflight 61f82d9b3e13556eb9c3eb34 #ROBOMERGE-AUTHOR: zach.bethel #ROBOMERGE-SOURCE: CL 18794948 in //UE5/Release-5.0/... via CL 18795422 via CL 18796381 #ROBOMERGE-BOT: UE5 (Release-Engine-Test -> Main) (v908-18788545) [CL 18796735 by zach bethel in ue5-main branch]
566 lines
17 KiB
C++
566 lines
17 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#include "RenderGraphPrivate.h"
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#if RDG_ENABLE_DEBUG
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int32 GRDGDumpGraphUnknownCount = 0;
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int32 GRDGImmediateMode = 0;
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FAutoConsoleVariableRef CVarImmediateMode(
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TEXT("r.RDG.ImmediateMode"),
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GRDGImmediateMode,
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TEXT("Executes passes as they get created. Useful to have a callstack of the wiring code when crashing in the pass' lambda."),
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ECVF_RenderThreadSafe);
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int32 GRDGDebug = 0;
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FAutoConsoleVariableRef CVarRDGDebug(
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TEXT("r.RDG.Debug"),
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GRDGDebug,
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TEXT("Allow to output warnings for inefficiencies found during wiring and execution of the passes.\n")
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TEXT(" 0: disabled;\n")
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TEXT(" 1: emit warning once (default);\n")
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TEXT(" 2: emit warning everytime issue is detected."),
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ECVF_RenderThreadSafe);
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int32 GRDGDebugFlushGPU = 0;
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FAutoConsoleVariableRef CVarRDGDebugFlushGPU(
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TEXT("r.RDG.Debug.FlushGPU"),
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GRDGDebugFlushGPU,
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TEXT("Enables flushing the GPU after every pass. Disables async compute when set (r.RDG.AsyncCompute=0).\n")
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TEXT(" 0: disabled (default);\n")
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TEXT(" 1: enabled (default)."),
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FConsoleVariableDelegate::CreateLambda([](IConsoleVariable*)
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{
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if (GRDGDebugFlushGPU)
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{
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GRDGAsyncCompute = 0;
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}
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}),
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ECVF_RenderThreadSafe);
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int32 GRDGDebugExtendResourceLifetimes = 0;
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FAutoConsoleVariableRef CVarRDGDebugExtendResourceLifetimes(
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TEXT("r.RDG.Debug.ExtendResourceLifetimes"),
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GRDGDebugExtendResourceLifetimes,
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TEXT("Extends the resource lifetimes of resources (or a specific resource filter specified by r.RDG.Debug.ResourceFilter) ")
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TEXT("so that they cannot overlap memory with any other resource within the graph. Useful to debug if transient aliasing is causing issues.\n")
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TEXT(" 0: disabled (default);\n")
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TEXT(" 1: enabled;\n"),
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ECVF_RenderThreadSafe);
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int32 GRDGDebugDisableTransientResources = 0;
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FAutoConsoleVariableRef CVarRDGDebugDisableTransientResource(
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TEXT("r.RDG.Debug.DisableTransientResources"),
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GRDGDebugDisableTransientResources,
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TEXT("Filters out transient resources from the transient allocator. Use r.rdg.debug.resourcefilter to specify the filter. Defaults to all resources if enabled."),
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ECVF_RenderThreadSafe);
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int32 GRDGDumpGraph = 0;
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FAutoConsoleVariableRef CVarDumpGraph(
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TEXT("r.RDG.DumpGraph"),
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GRDGDumpGraph,
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TEXT("Dumps several visualization logs to disk.\n")
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TEXT(" 0: disabled;\n")
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TEXT(" 1: visualizes producer / consumer pass dependencies;\n")
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TEXT(" 2: visualizes resource states and transitions;\n")
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TEXT(" 3: visualizes graphics / async compute overlap;\n"),
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FConsoleVariableDelegate::CreateLambda([](IConsoleVariable*)
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{
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if (GRDGDumpGraph)
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{
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GRDGDebug = 1;
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}
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}),
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ECVF_RenderThreadSafe);
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int32 GRDGBreakpoint = 0;
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FAutoConsoleVariableRef CVarRDGBreakpoint(
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TEXT("r.RDG.Breakpoint"),
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GRDGBreakpoint,
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TEXT("Breakpoint in debugger when certain conditions are met.\n")
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TEXT(" 0: off (default);\n")
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TEXT(" 1: On an RDG warning;\n")
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TEXT(" 2: When a graph / pass matching the debug filters compiles;\n")
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TEXT(" 3: When a graph / pass matching the debug filters executes;\n")
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TEXT(" 4: When a graph / pass / resource matching the debug filters is created or destroyed;\n"),
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ECVF_RenderThreadSafe);
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int32 GRDGClobberResources = 0;
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FAutoConsoleVariableRef CVarRDGClobberResources(
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TEXT("r.RDG.ClobberResources"),
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GRDGClobberResources,
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TEXT("Clears all render targets and texture / buffer UAVs with the requested clear color at allocation time. Useful for debugging.\n")
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TEXT(" 0:off (default);\n")
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TEXT(" 1: 1000 on RGBA channels;\n")
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TEXT(" 2: NaN on RGBA channels;\n")
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TEXT(" 3: +INFINITY on RGBA channels.\n"),
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ECVF_Cheat | ECVF_RenderThreadSafe);
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int32 GRDGOverlapUAVs = 1;
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FAutoConsoleVariableRef CVarRDGOverlapUAVs(
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TEXT("r.RDG.OverlapUAVs"), GRDGOverlapUAVs,
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TEXT("RDG will overlap UAV work when requested; if disabled, UAV barriers are always inserted."),
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ECVF_RenderThreadSafe);
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int32 GRDGTransitionLog = 0;
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FAutoConsoleVariableRef CVarRDGTransitionLog(
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TEXT("r.RDG.TransitionLog"), GRDGTransitionLog,
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TEXT("Logs resource transitions to the console.\n")
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TEXT(" 0: disabled(default);\n")
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TEXT(">0: enabled for N frames;\n")
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TEXT("<0: enabled;\n"),
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ECVF_RenderThreadSafe);
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TAutoConsoleVariable<FString> CVarRDGDebugGraphFilter(
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TEXT("r.RDG.Debug.GraphFilter"), TEXT(""),
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TEXT("Filters certain debug events to a specific graph. Set to 'None' to reset.\n"),
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ECVF_Default);
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FString GRDGDebugGraphFilterName;
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inline FString GetDebugFilterString(const FString& InputString)
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{
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if (!InputString.Compare(TEXT("None"), ESearchCase::IgnoreCase))
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{
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return {};
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}
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return InputString;
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}
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FAutoConsoleVariableSink CVarRDGDebugGraphSink(FConsoleCommandDelegate::CreateLambda([]()
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{
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GRDGDebugGraphFilterName = GetDebugFilterString(CVarRDGDebugGraphFilter.GetValueOnGameThread());
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}));
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inline bool IsDebugAllowed(const FString& FilterString, const TCHAR* Name)
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{
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if (FilterString.IsEmpty())
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{
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return true;
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}
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const bool bInverted = FilterString[0] == '!';
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if (FilterString.Len() == 1 && bInverted)
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{
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return true;
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}
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const TCHAR* FilterStringRaw = *FilterString;
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if (bInverted)
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{
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FilterStringRaw++;
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}
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const bool bFound = FCString::Strifind(Name, FilterStringRaw) != nullptr;
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return bFound ^ bInverted;
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}
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bool IsDebugAllowedForGraph(const TCHAR* GraphName)
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{
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return IsDebugAllowed(GRDGDebugGraphFilterName, GraphName);
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}
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TAutoConsoleVariable<FString> CVarRDGDebugPassFilter(
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TEXT("r.RDG.Debug.PassFilter"), TEXT(""),
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TEXT("Filters certain debug events to specific passes. Set to 'None' to reset.\n"),
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ECVF_Default);
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FString GRDGDebugPassFilterName;
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FAutoConsoleVariableSink CVarRDGDebugPassSink(FConsoleCommandDelegate::CreateLambda([]()
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{
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GRDGDebugPassFilterName = GetDebugFilterString(CVarRDGDebugPassFilter.GetValueOnGameThread());
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}));
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bool IsDebugAllowedForPass(const TCHAR* PassName)
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{
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return IsDebugAllowed(GRDGDebugPassFilterName, PassName);
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}
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TAutoConsoleVariable<FString> CVarRDGDebugResourceFilter(
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TEXT("r.RDG.Debug.ResourceFilter"), TEXT(""),
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TEXT("Filters certain debug events to a specific resource. Set to 'None' to reset.\n"),
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ECVF_Default);
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FString GRDGDebugResourceFilterName;
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FAutoConsoleVariableSink CVarRDGDebugResourceSink(FConsoleCommandDelegate::CreateLambda([]()
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{
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GRDGDebugResourceFilterName = GetDebugFilterString(CVarRDGDebugResourceFilter.GetValueOnGameThread());
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}));
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bool IsDebugAllowedForResource(const TCHAR* ResourceName)
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{
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return IsDebugAllowed(GRDGDebugResourceFilterName, ResourceName);
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}
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static float GetClobberValue()
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{
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switch (GRDGClobberResources)
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{
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case 1:
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return 1000.0f;
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case 2:
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return NAN;
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case 3:
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return INFINITY;
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}
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return 0.0f;
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}
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FLinearColor GetClobberColor()
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{
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float ClobberValue = GetClobberValue();
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return FLinearColor(ClobberValue, ClobberValue, ClobberValue, ClobberValue);
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}
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uint32 GetClobberBufferValue()
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{
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float ClobberValue = GetClobberValue();
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uint32 ClobberValueUint = reinterpret_cast<const uint32*>(&ClobberValue)[0];
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return ClobberValueUint;
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}
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float GetClobberDepth()
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{
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return 0.123456789f;
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}
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uint8 GetClobberStencil()
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{
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return 123;
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}
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void EmitRDGWarning(const FString& WarningMessage)
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{
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if (!GRDGDebug)
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{
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return;
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}
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static TSet<FString> GAlreadyEmittedWarnings;
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const int32 kRDGEmitWarningsOnce = 1;
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if (GRDGDebug == kRDGEmitWarningsOnce)
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{
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if (!GAlreadyEmittedWarnings.Contains(WarningMessage))
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{
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GAlreadyEmittedWarnings.Add(WarningMessage);
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UE_LOG(LogRDG, Warning, TEXT("%s"), *WarningMessage);
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if (GRDGBreakpoint == RDG_BREAKPOINT_WARNINGS)
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{
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UE_DEBUG_BREAK();
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}
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}
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}
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else
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{
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UE_LOG(LogRDG, Warning, TEXT("%s"), *WarningMessage);
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if (GRDGBreakpoint == RDG_BREAKPOINT_WARNINGS)
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{
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UE_DEBUG_BREAK();
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}
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}
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}
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bool GRDGAllowRHIAccess = false;
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#endif
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int32 GRDGAsyncCompute = 1;
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TAutoConsoleVariable<int32> CVarRDGAsyncCompute(
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TEXT("r.RDG.AsyncCompute"),
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RDG_ASYNC_COMPUTE_ENABLED,
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TEXT("Controls the async compute policy.\n")
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TEXT(" 0:disabled, no async compute is used;\n")
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TEXT(" 1:enabled for passes tagged for async compute (default);\n")
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TEXT(" 2:enabled for all compute passes implemented to use the compute command list;\n"),
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ECVF_RenderThreadSafe);
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FAutoConsoleVariableSink CVarRDGAsyncComputeSink(FConsoleCommandDelegate::CreateLambda([]()
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{
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GRDGAsyncCompute = CVarRDGAsyncCompute.GetValueOnGameThread();
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if (GRDGAsyncCompute && !GSupportsEfficientAsyncCompute)
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{
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GRDGAsyncCompute = 0;
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}
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}));
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int32 GRDGCullPasses = 1;
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FAutoConsoleVariableRef CVarRDGCullPasses(
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TEXT("r.RDG.CullPasses"),
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GRDGCullPasses,
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TEXT("The graph will cull passes with unused outputs.\n")
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TEXT(" 0:off;\n")
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TEXT(" 1:on(default);\n"),
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ECVF_RenderThreadSafe);
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int32 GRDGMergeRenderPasses = 1;
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FAutoConsoleVariableRef CVarRDGMergeRenderPasses(
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TEXT("r.RDG.MergeRenderPasses"),
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GRDGMergeRenderPasses,
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TEXT("The graph will merge identical, contiguous render passes into a single render pass.\n")
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TEXT(" 0:off;\n")
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TEXT(" 1:on(default);\n"),
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ECVF_RenderThreadSafe);
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int32 GRDGTransientAllocator = 1;
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FAutoConsoleVariableRef CVarRDGUseTransientAllocator(
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TEXT("r.RDG.TransientAllocator"), GRDGTransientAllocator,
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TEXT("RDG will use the RHITransientResourceAllocator to allocate all transient resources.")
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TEXT(" 0: disables the transient allocator;")
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TEXT(" 1: enables the transient allocator (default);")
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TEXT(" 2: enables the transient allocator for resources with FastVRAM flag only"),
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ECVF_RenderThreadSafe);
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int32 GRDGTransientExtractedResources = 1;
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FAutoConsoleVariableRef CVarRDGTransientExtractedResource(
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TEXT("r.RDG.TransientExtractedResources"), GRDGTransientExtractedResources,
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TEXT("RDG will allocate extracted resources as transient, unless explicitly marked non-transient by the user.")
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TEXT(" 0: disables external transient resources;")
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TEXT(" 1: enables external transient resources (default);")
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TEXT(" 2: force enables all external transient resources (not recommended);"),
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ECVF_RenderThreadSafe);
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int32 GRDGParallelExecute = 1;
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FAutoConsoleVariableRef CVarRDGParallelExecute(
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TEXT("r.RDG.ParallelExecute"), GRDGParallelExecute,
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TEXT("Whether to enable parallel execution of passes when supported.")
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TEXT(" 0: off;")
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TEXT(" 1: on (default)"),
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FConsoleVariableDelegate::CreateLambda([](IConsoleVariable* Variable)
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{
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if (Variable->GetInt())
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{
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if (GRDGParallelExecutePassMax <= 1)
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{
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GRDGParallelExecutePassMax = 1;
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}
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if (GRDGParallelExecutePassMin < GRDGParallelExecutePassMax)
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{
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GRDGParallelExecutePassMin = GRDGParallelExecutePassMax;
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}
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}
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}),
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ECVF_RenderThreadSafe);
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int32 GRDGParallelExecutePassMin = 1;
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FAutoConsoleVariableRef CVarRDGParallelExecutePassMin(
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TEXT("r.RDG.ParallelExecute.PassMin"), GRDGParallelExecutePassMin,
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TEXT("The minimum span of contiguous passes eligible for parallel execution for the span to be offloaded to a task."),
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ECVF_RenderThreadSafe);
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int32 GRDGParallelExecutePassMax = 32;
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FAutoConsoleVariableRef CVarRDGParallelExecutePassMax(
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TEXT("r.RDG.ParallelExecute.PassMax"), GRDGParallelExecutePassMax,
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TEXT("The maximum span of contiguous passes eligible for parallel execution for the span to be offloaded to a task."),
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ECVF_RenderThreadSafe);
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// Fix for random GPU crashes on draw indirects on multiple IHVs. Force all indirect arg buffers as non transient (see UE-115982)
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int32 GRDGTransientIndirectArgBuffers = 0;
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FAutoConsoleVariableRef CVarRDGIndirectArgBufferTransientAllocated(
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TEXT("r.RDG.TransientAllocator.IndirectArgumentBuffers"), GRDGTransientIndirectArgBuffers,
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TEXT("Whether indirect argument buffers should use transient resource allocator. Default: 0"),
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ECVF_RenderThreadSafe);
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int32 GRDGParallelExecuteStress = 0;
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FAutoConsoleVariableRef CVarRDGDebugParallelExecute(
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TEXT("r.RDG.ParallelExecuteStress"),
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GRDGParallelExecuteStress,
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TEXT("Stress tests the parallel execution path by launching one task per pass. Render pass merging is also disabled."),
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FConsoleVariableDelegate::CreateLambda([](IConsoleVariable* Variable)
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{
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static int32 GRDGMergeRenderPassesHistory = GRDGMergeRenderPasses;
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static int32 GRDGParallelExecutePassMinHistory = GRDGParallelExecutePassMin;
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static int32 GRDGParallelExecutePassMaxHistory = GRDGParallelExecutePassMax;
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const int32 CurrentValue = Variable->GetInt();
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if (GRDGParallelExecuteStress == CurrentValue)
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{
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return;
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}
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if (CurrentValue)
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{
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GRDGMergeRenderPassesHistory = GRDGMergeRenderPasses;
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GRDGParallelExecutePassMinHistory = GRDGParallelExecutePassMin;
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GRDGParallelExecutePassMaxHistory = GRDGParallelExecutePassMax;
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GRDGMergeRenderPasses = 0;
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GRDGParallelExecutePassMin = 1;
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GRDGParallelExecutePassMax = 1;
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}
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else
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{
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GRDGMergeRenderPasses = GRDGMergeRenderPassesHistory;
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GRDGParallelExecutePassMin = GRDGParallelExecutePassMinHistory;
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GRDGParallelExecutePassMax = GRDGParallelExecutePassMaxHistory;
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}
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}),
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ECVF_RenderThreadSafe);
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#if CSV_PROFILER
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int32 GRDGVerboseCSVStats = 0;
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FAutoConsoleVariableRef CVarRDGVerboseCSVStats(
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TEXT("r.RDG.VerboseCSVStats"),
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GRDGVerboseCSVStats,
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TEXT("Controls the verbosity of CSV profiling stats for RDG.\n")
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TEXT(" 0: emits one CSV profile for graph execution;\n")
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TEXT(" 1: emits a CSV profile for each phase of graph execution."),
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ECVF_RenderThreadSafe);
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#endif
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#if STATS
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int32 GRDGStatPassCount = 0;
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int32 GRDGStatPassWithParameterCount = 0;
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int32 GRDGStatPassCullCount = 0;
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int32 GRDGStatPassDependencyCount = 0;
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int32 GRDGStatRenderPassMergeCount = 0;
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int32 GRDGStatTextureCount = 0;
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int32 GRDGStatTextureReferenceCount = 0;
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int32 GRDGStatBufferCount = 0;
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int32 GRDGStatBufferReferenceCount = 0;
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int32 GRDGStatViewCount = 0;
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int32 GRDGStatTransientTextureCount = 0;
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int32 GRDGStatTransientBufferCount = 0;
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int32 GRDGStatTransitionCount = 0;
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int32 GRDGStatAliasingCount = 0;
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int32 GRDGStatTransitionBatchCount = 0;
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int32 GRDGStatMemoryWatermark = 0;
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DEFINE_STAT(STAT_RDG_PassCount);
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DEFINE_STAT(STAT_RDG_PassWithParameterCount);
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DEFINE_STAT(STAT_RDG_PassCullCount);
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DEFINE_STAT(STAT_RDG_RenderPassMergeCount);
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DEFINE_STAT(STAT_RDG_PassDependencyCount);
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DEFINE_STAT(STAT_RDG_TextureCount);
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DEFINE_STAT(STAT_RDG_TextureReferenceCount);
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DEFINE_STAT(STAT_RDG_TextureReferenceAverage);
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DEFINE_STAT(STAT_RDG_BufferCount);
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DEFINE_STAT(STAT_RDG_BufferReferenceCount);
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DEFINE_STAT(STAT_RDG_BufferReferenceAverage);
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DEFINE_STAT(STAT_RDG_ViewCount);
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DEFINE_STAT(STAT_RDG_TransientTextureCount);
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DEFINE_STAT(STAT_RDG_TransientBufferCount);
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DEFINE_STAT(STAT_RDG_TransitionCount);
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DEFINE_STAT(STAT_RDG_AliasingCount);
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DEFINE_STAT(STAT_RDG_TransitionBatchCount);
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DEFINE_STAT(STAT_RDG_SetupTime);
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DEFINE_STAT(STAT_RDG_CompileTime);
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DEFINE_STAT(STAT_RDG_ExecuteTime);
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DEFINE_STAT(STAT_RDG_CollectResourcesTime);
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DEFINE_STAT(STAT_RDG_CollectBarriersTime);
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DEFINE_STAT(STAT_RDG_ClearTime);
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DEFINE_STAT(STAT_RDG_FlushRHIResources);
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DEFINE_STAT(STAT_RDG_MemoryWatermark);
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#endif
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#if RDG_EVENTS != RDG_EVENTS_NONE
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int32 GRDGEmitEvents = 0;
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#endif
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void InitRenderGraph()
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{
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#if RDG_ENABLE_DEBUG_WITH_ENGINE
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if (FParse::Param(FCommandLine::Get(), TEXT("rdgimmediate")))
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{
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GRDGImmediateMode = 1;
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}
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if (FParse::Param(FCommandLine::Get(), TEXT("rdgdebug")))
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{
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GRDGDebug = 1;
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}
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|
|
|
if (FParse::Param(FCommandLine::Get(), TEXT("rdgdebugextendresourcelifetimes")))
|
|
{
|
|
GRDGDebugExtendResourceLifetimes = 1;
|
|
}
|
|
|
|
if (FParse::Param(FCommandLine::Get(), TEXT("rdgtransitionlog")))
|
|
{
|
|
// Set to -1 to specify infinite number of frames.
|
|
GRDGTransitionLog = -1;
|
|
}
|
|
|
|
int32 BreakpointValue = 0;
|
|
if (FParse::Value(FCommandLine::Get(), TEXT("rdgbreakpoint="), BreakpointValue))
|
|
{
|
|
GRDGBreakpoint = BreakpointValue;
|
|
}
|
|
|
|
if (FParse::Param(FCommandLine::Get(), TEXT("rdgclobberresources")))
|
|
{
|
|
GRDGClobberResources = 1;
|
|
}
|
|
|
|
int32 TransientAllocatorValue = 0;
|
|
if (FParse::Value(FCommandLine::Get(), TEXT("rdgtransientallocator="), TransientAllocatorValue))
|
|
{
|
|
GRDGTransientAllocator = TransientAllocatorValue;
|
|
}
|
|
|
|
int32 CullPassesValue = 0;
|
|
if (FParse::Value(FCommandLine::Get(), TEXT("rdgcullpasses="), CullPassesValue))
|
|
{
|
|
GRDGCullPasses = CullPassesValue;
|
|
}
|
|
|
|
int32 ParallelExecuteValue = 0;
|
|
if (FParse::Value(FCommandLine::Get(), TEXT("rdgparallelxecute="), ParallelExecuteValue))
|
|
{
|
|
GRDGParallelExecute = ParallelExecuteValue;
|
|
}
|
|
|
|
int32 MergeRenderPassesValue = 0;
|
|
if (FParse::Value(FCommandLine::Get(), TEXT("rdgmergerenderpasses="), MergeRenderPassesValue))
|
|
{
|
|
GRDGMergeRenderPasses = MergeRenderPassesValue;
|
|
}
|
|
|
|
int32 OverlapUAVsValue = 0;
|
|
if (FParse::Value(FCommandLine::Get(), TEXT("rdgoverlapuavs="), OverlapUAVsValue))
|
|
{
|
|
GRDGOverlapUAVs = OverlapUAVsValue;
|
|
}
|
|
|
|
int32 DumpGraphValue = 0;
|
|
if (FParse::Value(FCommandLine::Get(), TEXT("rdgdumpgraph="), DumpGraphValue))
|
|
{
|
|
CVarDumpGraph->Set(DumpGraphValue);
|
|
}
|
|
|
|
int32 AsyncComputeValue = 0;
|
|
if (FParse::Value(FCommandLine::Get(), TEXT("rdgasynccompute="), AsyncComputeValue))
|
|
{
|
|
CVarRDGAsyncCompute->Set(AsyncComputeValue);
|
|
}
|
|
|
|
FString GraphFilter;
|
|
if (FParse::Value(FCommandLine::Get(), TEXT("rdgdebuggraphfilter="), GraphFilter))
|
|
{
|
|
CVarRDGDebugGraphFilter->Set(*GraphFilter);
|
|
}
|
|
|
|
FString PassFilter;
|
|
if (FParse::Value(FCommandLine::Get(), TEXT("rdgdebugpassfilter="), PassFilter))
|
|
{
|
|
CVarRDGDebugPassFilter->Set(*PassFilter);
|
|
}
|
|
|
|
FString ResourceFilter;
|
|
if (FParse::Value(FCommandLine::Get(), TEXT("rdgdebugresourcefilter="), ResourceFilter))
|
|
{
|
|
CVarRDGDebugResourceFilter->Set(*ResourceFilter);
|
|
}
|
|
#endif
|
|
}
|