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Add DXGI ETW provider support for modern DirectX games #3

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Copilot Nov 12, 2025
0ea23d2
Add DXGI provider support for newer games
Copilot Nov 12, 2025
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61 changes: 61 additions & 0 deletions src/ETW/Microsoft_Windows_DXGI.cs
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Original file line number Diff line number Diff line change
@@ -0,0 +1,61 @@
using System;
using static PresentMonFps.AdvApi32;

namespace PresentMonFps.ETW;

internal static class Microsoft_Windows_DXGI
{
public const string Name = "Microsoft-Windows-DXGI";

public static readonly Guid GUID = new("CA11C036-0102-4A2D-A6AD-F03CFED5D3C9");

public static readonly EVENT_DESCRIPTOR_DECL PresentMultiplaneOverlay_Start = new(0x0037, 0x00, 0x10, 0x00, 0x01, 0x000e, 0x8000000000000002);

public static readonly EVENT_DESCRIPTOR_DECL PresentMultiplaneOverlay_Stop = new(0x0038, 0x00, 0x10, 0x00, 0x02, 0x000e, 0x8000000000000002);

public static readonly EVENT_DESCRIPTOR_DECL Present_Start = new(0x002a, 0x00, 0x10, 0x00, 0x01, 0x0009, 0x8000000000000002);

public static readonly EVENT_DESCRIPTOR_DECL Present_Stop = new(0x002b, 0x00, 0x10, 0x00, 0x02, 0x0009, 0x8000000000000002);

public static readonly EVENT_DESCRIPTOR_DECL ResizeBuffers_Start = new(0x002d, 0x00, 0x10, 0x00, 0x01, 0x0005, 0x8000000000000002);

public static readonly EVENT_DESCRIPTOR_DECL SwapChain_Start = new(0x000a, 0x00, 0x10, 0x00, 0x01, 0x0002, 0x8000000000000001);

public enum Keyword : ulong
{
Objects = 0x1,
Events = 0x2,
JournalEntries = 0x4,
Microsoft_Windows_DXGI_Analytic = 0x8000000000000000,
Microsoft_Windows_DXGI_Logging = 0x4000000000000000,
}

public enum Level : byte
{
win_LogAlways = 0x0,
}

public enum Channel : byte
{
Microsoft_Windows_DXGI_Analytic = 0x10,
Microsoft_Windows_DXGI_Logging = 0x11,
}

public enum DXGIPresentFlags : uint
{
DXGI_PRESENT_TEST = 1,
DXGI_PRESENT_DO_NOT_SEQUENCE = 2,
DXGI_PRESENT_RESTART = 4,
DXGI_PRESENT_DO_NOT_WAIT = 8,
DXGI_PRESENT_STEREO_PREFER_RIGHT = 16,
DXGI_PRESENT_STEREO_TEMPORARY_MONO = 32,
DXGI_PRESENT_RESTRICT_TO_OUTPUT = 64,
}

public enum HybridPresentMode : uint
{
NOT_HYBRID = 0,
TWO_COPY_PATH = 1,
ONE_COPY_PATH_CASO = 2,
}
}
30 changes: 26 additions & 4 deletions src/FpsInspector.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -99,14 +99,16 @@ public static async Task<FpsResult> StartOnceAsync(FpsRequest request)
FpsResult result = new();
FpsCalculator fps = new();
int pid = (int)request.TargetPid;
TraceEventID presentEventId = (TraceEventID)Microsoft_Windows_DxgKrnl.Present_Info.Id;
TraceEventID dxgKrnlPresentEventId = (TraceEventID)Microsoft_Windows_DxgKrnl.Present_Info.Id;
TraceEventID dxgiPresentStartEventId = (TraceEventID)Microsoft_Windows_DXGI.Present_Start.Id;

await Task.Run(() =>
{
using TraceEventSession session = new(SessionName);

session.Source.Dynamic.All += OnDynamicAll;
session.EnableProvider(Microsoft_Windows_DxgKrnl.GUID);
session.EnableProvider(Microsoft_Windows_DXGI.GUID);

_ = Task.Run(() =>
{
Expand Down Expand Up @@ -137,9 +139,18 @@ void OnDynamicAll(TraceEvent data)

/// <see cref="Present"/>
/// <see cref="Microsoft_Windows_DxgKrnl.Name"/>
/// <see cref="Microsoft_Windows_DXGI.Name"/>
if (data.ProviderGuid == Microsoft_Windows_DxgKrnl.GUID)
{
if (data.ID == presentEventId)
if (data.ID == dxgKrnlPresentEventId)
{
DateTime timestamp = data.TimeStamp;
fps.Calculate(timestamp.Ticks);
}
}
else if (data.ProviderGuid == Microsoft_Windows_DXGI.GUID)
{
if (data.ID == dxgiPresentStartEventId)
{
DateTime timestamp = data.TimeStamp;
fps.Calculate(timestamp.Ticks);
Expand Down Expand Up @@ -170,13 +181,15 @@ public static async Task StartForeverAsync(FpsRequest request, Action<FpsResult>
FpsResult result = new();
FpsCalculator fps = new();
int pid = (int)request.TargetPid;
TraceEventID presentEventId = (TraceEventID)Microsoft_Windows_DxgKrnl.Present_Info.Id;
TraceEventID dxgKrnlPresentEventId = (TraceEventID)Microsoft_Windows_DxgKrnl.Present_Info.Id;
TraceEventID dxgiPresentStartEventId = (TraceEventID)Microsoft_Windows_DXGI.Present_Start.Id;

using TraceEventSession session = new(SessionName);

fps.FpsReceived += OnFpsReceived;
session.Source.Dynamic.All += OnDynamicAll;
session.EnableProvider(Microsoft_Windows_DxgKrnl.GUID);
session.EnableProvider(Microsoft_Windows_DXGI.GUID);

Task processTask = Task.Factory.StartNew(session.Source.Process, TaskCreationOptions.LongRunning);
Task consumeTask = Task.Run(() =>
Expand Down Expand Up @@ -208,9 +221,18 @@ void OnDynamicAll(TraceEvent data)

/// <see cref="Present"/>
/// <see cref="Microsoft_Windows_DxgKrnl.Name"/>
/// <see cref="Microsoft_Windows_DXGI.Name"/>
if (data.ProviderGuid == Microsoft_Windows_DxgKrnl.GUID)
{
if (data.ID == presentEventId)
if (data.ID == dxgKrnlPresentEventId)
{
DateTime timestamp = data.TimeStamp;
fps.Calculate(timestamp.Ticks);
}
}
else if (data.ProviderGuid == Microsoft_Windows_DXGI.GUID)
{
if (data.ID == dxgiPresentStartEventId)
{
DateTime timestamp = data.TimeStamp;
fps.Calculate(timestamp.Ticks);
Expand Down
8 changes: 4 additions & 4 deletions src/PresentMonFps.csproj
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Original file line number Diff line number Diff line change
Expand Up @@ -4,10 +4,10 @@
<OutputType>Library</OutputType>
<TargetFramework>netstandard2.0</TargetFramework>
<AssemblyName>PresentMonFps</AssemblyName>
<PackageVersion>2.0.5</PackageVersion>
<AssemblyVersion>2.0.5</AssemblyVersion>
<FileVersion>2.0.4</FileVersion>
<Version>$(VersionPrefix)2.0.5</Version>
<PackageVersion>2.0.6</PackageVersion>
<AssemblyVersion>2.0.6</AssemblyVersion>
<FileVersion>2.0.6</FileVersion>
<Version>$(VersionPrefix)2.0.6</Version>
<LangVersion>12.0</LangVersion>
<Nullable>enable</Nullable>
<Authors>Lemutec</Authors>
Expand Down