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Add Graphics.GI.Dump command for profiling DDGI/GlobalSDF

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This commit is contained in:
Wojciech Figat
2026-06-25 22:49:32 +02:00
parent 1385d5282f
commit a45dec5170
6 changed files with 131 additions and 0 deletions
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Source/Engine/Renderer/GlobalSignDistanceFieldPass.cpp
+57
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@@ -367,6 +367,10 @@ public:
auto& cascade = Cascades[cascadeIndex];
cascade.Index = cascadeIndex;
cascade.Dirty = !useCache || RenderTools::ShouldUpdateCascade(FrameIndex, cascadeIndex, cascadesCount, maxCascadeUpdatesPerFrame, updateEveryFrame);
#if COMPILE_WITH_PROFILER
extern uint64 DumpGIFrame;
cascade.Dirty |= DumpGIFrame == Engine::FrameCount; // Force update of all cascades when dumping info (to collect dynamic objects)
#endif
cascade.DirtyDynamicOnly = useCache && !cascade.Dirty && cascade.DynamicDirtyChunks.HasItems() && cascade.VoxelSize > 0.0f && !DebugOverdraw && GLOBAL_SDF_DYNAMIC_UPDATES;
cascade.Draw = cascade.Dirty || cascade.DirtyDynamicOnly;
if (!cascade.Draw)
@@ -1276,6 +1280,59 @@ void GlobalSignDistanceFieldPass::RenderDebug(RenderContext& renderContext, GPUC
#endif
#if COMPILE_WITH_PROFILER
#include "Engine/Core/Utilities.h"
#include "Engine/Engine/Units.h"
extern uint64 DumpGIFrame;
void GlobalSignDistanceFieldPass::Dump(const RenderBuffers* buffers) const
{
auto sdfDataPtr = buffers->FindCustomBuffer<GlobalSignDistanceFieldCustomBuffer>(TEXT("GlobalSignDistanceField"));
if (!sdfDataPtr)
return;
auto& sdfData = *sdfDataPtr;
LOG(Info, "Global SDF:");
LOG(Info, " > Cascades: {}, Resolution: {}", sdfData.Cascades.Count(), sdfData.Resolution);
uint32 memoryUsage = sdfData.Texture->GetMemoryUsage() + sdfData.TextureMip->GetMemoryUsage();
if (_objectsBuffer && _objectsBuffer->GetBuffer())
memoryUsage += _objectsBuffer->GetBuffer()->GetSize();
LOG(Info, " > Memory Usage: {}", Utilities::BytesToText(memoryUsage));
for (int32 i = 0; i < sdfData.Cascades.Count(); i++)
{
const auto& cascade = sdfData.Cascades[i];
LOG(Info, " > Cascade {}, range: {}m", i, UNITS_TO_METERS(cascade.Extent));
if (cascade.VoxelSize < METERS_TO_UNITS(1))
LOG(Info, " > Voxel size: {} cm", Utilities::RoundTo2DecimalPlaces(UNITS_TO_METERS(cascade.VoxelSize) * 100));
else
LOG(Info, " > Voxel size: {} m", Utilities::RoundTo2DecimalPlaces(UNITS_TO_METERS(cascade.VoxelSize)));
LOG(Info, " > Chunks: {} ({} static, {} dynamic)", cascade.NonEmptyChunks.Count(), cascade.StaticChunks.Count(), cascade.NonEmptyChunks.Count() - cascade.StaticChunks.Count());
LOG(Info, " > Objects: {}", cascade.RasterizeObjects.Count());
}
// Dynamic objects cause frequent chunk updates so list them when profiling content
HashSet<Actor*> dynamicObjects;
for (const auto& cascade : sdfData.Cascades)
{
for (const auto& object : cascade.RasterizeObjects)
{
if (!GLOBAL_SDF_ACTOR_IS_STATIC(object.Actor))
dynamicObjects.Add(object.Actor);
}
}
LOG(Info, " > Dynamic objects: {}", dynamicObjects.Count());
if (dynamicObjects.HasItems())
{
for (auto& e : dynamicObjects)
{
LOG(Info, " > '{}'", e.Item->GetNamePath());
}
}
}
#endif
void GlobalSignDistanceFieldPass::GetCullingData(BoundingBox& bounds) const
{
auto& cascade = *CurrentCascade.Get();