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Lumen - remove far field (HLOD1) from LumenScene. HLOD1 won't use surface cache anyway. Also added some LumenScene object dumping for debugging.

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#preflight 611ec5b6aabad10001625184

#ROBOMERGE-SOURCE: CL 17242187 via CL 17269024
#ROBOMERGE-BOT: STARSHIP (Main -> Release-Engine-Test) (v858-17259218)

[CL 17269355 by krzysztof narkowicz in ue5-release-engine-test branch]
This commit is contained in:
krzysztof narkowicz
2021-08-23 12:53:50 -04:00
parent 3fe2af4ffb
commit 19148641ef
3 changed files with 36 additions and 10 deletions
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32
Engine/Source/Runtime/Renderer/Private/Lumen/LumenScene.cpp
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@@ -481,7 +481,9 @@ bool TrackPrimitiveForLumenScene(const FPrimitiveSceneProxy* Proxy)
// For now Lumen depends on the distance field representation.
// This also makes sure that non opaque things won't get included in Lumen Scene
&& Proxy->SupportsDistanceFieldRepresentation()
&& (Proxy->IsDrawnInGame() || Proxy->CastsHiddenShadow());
&& (Proxy->IsDrawnInGame() || Proxy->CastsHiddenShadow())
// Exclude far field proxies as those won't use surface cache
&& !Proxy->IsRayTracingFarField();
return bTrack;
}
@@ -1298,7 +1300,7 @@ bool FLumenSceneData::EvictOldestAllocation(bool bForceEvict, TSparseUniqueList<
return false;
}
void FLumenSceneData::DumpStats(const FDistanceFieldSceneData& DistanceFieldSceneData)
void FLumenSceneData::DumpStats(const FDistanceFieldSceneData& DistanceFieldSceneData, bool bDumpMeshDistanceFields, bool bDumpPrimitiveGroups)
{
const FIntPoint PageAtlasSizeInPages = GetDesiredPhysicalAtlasSizeInPages();
const int32 NumPhysicalPages = PageAtlasSizeInPages.X * PageAtlasSizeInPages.Y;
@@ -1391,4 +1393,30 @@ void FLumenSceneData::DumpStats(const FDistanceFieldSceneData& DistanceFieldScen
UE_LOG(LogRenderer, Log, TEXT(" SceneInstanceIndexToMeshCardsIndexBuffer: %.3fMb"), SceneInstanceIndexToMeshCardsIndexBuffer.NumBytes / (1024.0f * 1024.0f));
UE_LOG(LogRenderer, Log, TEXT(" UploadBuffer: %.3fMb"), UploadBuffer.GetNumBytes() / (1024.0f * 1024.0f));
UE_LOG(LogRenderer, Log, TEXT(" ByteBufferUploadBuffer: %.3fMb"), ByteBufferUploadBuffer.GetNumBytes() / (1024.0f * 1024.0f));
if (bDumpMeshDistanceFields)
{
DistanceFieldSceneData.ListMeshDistanceFields(true);
}
if (bDumpPrimitiveGroups)
{
#if STATS
UE_LOG(LogRenderer, Log, TEXT("*** LumenScene Primitives ***"));
for (const FLumenPrimitiveGroup& PrimitiveGroup : PrimitiveGroups)
{
for (const FPrimitiveSceneInfo* ScenePrimitive : PrimitiveGroup.Primitives)
{
if (ScenePrimitive && ScenePrimitive->Proxy)
{
UE_LOG(LogRenderer, Log, TEXT("Group:%d InstanceIndex:%d %s"),
PrimitiveGroup.RayTracingGroupMapElementId.GetIndex(),
PrimitiveGroup.PrimitiveInstanceIndex,
*ScenePrimitive->Proxy->GetStatId().GetName().ToString());
}
}
}
#endif
}
}

2
Engine/Source/Runtime/Renderer/Private/Lumen/LumenSceneData.h
View File

@@ -425,7 +425,7 @@ public:
return PendingAddOperations.Num() > 0 || PendingUpdateOperations.Num() > 0 || PendingRemoveOperations.Num() > 0;
}
void DumpStats(const FDistanceFieldSceneData& DistanceFieldSceneData);
void DumpStats(const FDistanceFieldSceneData& DistanceFieldSceneData, bool bDumpMeshDistanceFields, bool bDumpPrimitiveGroups);
bool UpdateAtlasSize();
void RemoveAllMeshCards();
void UploadPageTable(FRDGBuilder& GraphBuilder);

12
Engine/Source/Runtime/Renderer/Private/Lumen/VisualizeLumenScene.cpp
View File

@@ -238,7 +238,7 @@ int32 GLumenSceneDumpStats = 0;
FAutoConsoleVariableRef CVarLumenSceneDumpStats(
TEXT("r.LumenScene.DumpStats"),
GLumenSceneDumpStats,
TEXT("Whether to log Lumen scene stats on the next frame."),
TEXT("Whether to log Lumen scene stats on the next frame. 2 - dump mesh DF. 3 - dump LumenScene objects."),
ECVF_RenderThreadSafe
);
@@ -903,12 +903,10 @@ void FDeferredShadingSceneRenderer::LumenScenePDIVisualization()
if (GLumenSceneDumpStats)
{
LumenSceneData.DumpStats(DistanceFieldSceneData);
if (GLumenSceneDumpStats >= 2)
{
DistanceFieldSceneData.ListMeshDistanceFields(true);
}
LumenSceneData.DumpStats(
DistanceFieldSceneData,
/*bDumpMeshDistanceFields*/ GLumenSceneDumpStats == 2,
/*bDumpPrimitiveGroups*/ GLumenSceneDumpStats == 3);
GLumenSceneDumpStats = 0;
}