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Add elapsed time to performance overlay (#250)

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This commit is contained in:
Peter Bonanni
2026-07-17 20:35:56 -04:00
committed by GitHub
parent 8a6f4f7826
commit b566444df3
1 changed files with 13 additions and 0 deletions
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src/SharpEmu.Libs/VideoOut/PerfOverlay.cs
+13
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@@ -30,6 +30,7 @@ public static class PerfOverlay
StringComparison.Ordinal);
private static long _lastPresentTimestamp;
private static long _sessionStartTimestamp;
private static readonly double[] _frameMilliseconds = new double[FrameHistorySize];
private static int _frameHistoryIndex;
private static long _presentedInWindow;
@@ -56,6 +57,7 @@ public static class PerfOverlay
private static string _line2 = string.Empty;
private static string _line3 = string.Empty;
private static string _line4 = string.Empty;
private static string _line5 = string.Empty;
public static bool Enabled => _enabled;
@@ -65,6 +67,7 @@ public static class PerfOverlay
public static void RecordPresent()
{
var now = Stopwatch.GetTimestamp();
Interlocked.CompareExchange(ref _sessionStartTimestamp, now, 0);
var last = _lastPresentTimestamp;
_lastPresentTimestamp = now;
Interlocked.Increment(ref _presentedInWindow);
@@ -110,6 +113,8 @@ public static class PerfOverlay
DrawString(bgra, 8, y, _line3, 0xB0, 0xD0, 0xFF);
y += LineHeight;
DrawString(bgra, 8, y, _line4, 0xB0, 0xB0, 0xB0);
y += LineHeight;
DrawString(bgra, 8, y, _line5, 0xFF, 0xD0, 0x80);
y += LineHeight + 4;
DrawFrameGraph(bgra, 8, y, PanelWidth - 16, PanelHeight - y - 6);
}
@@ -161,10 +166,18 @@ public static class PerfOverlay
_lastCpuTime = cpuTime;
var drawsPerFrame = _fps > 0.5 ? _drawsPerSecond / _fps : 0;
var sessionStart = Interlocked.Read(ref _sessionStartTimestamp);
var elapsedSeconds = sessionStart == 0
? 0L
: (long)((now - sessionStart) / (double)Stopwatch.Frequency);
var elapsedHours = elapsedSeconds / 3600;
var elapsedMinutes = elapsedSeconds / 60 % 60;
var elapsedRemainingSeconds = elapsedSeconds % 60;
_line1 = $"FPS {_fps:0.0} FLIP {_submittedFps:0.0} {_averageFrameMs:0.0} MS";
_line2 = $"DRAWS {_drawsPerSecond:0}/S {drawsPerFrame:0}/F Q {pendingWork}+{inFlightSubmissions}";
_line3 = $"ALLOC {_allocatedMbPerSecond:0.0} MB/S GC {_gen0PerWindow}/{_gen1PerWindow}/{_gen2PerWindow}";
_line4 = $"CPU {_cpuPercent:0}% HEAP {GC.GetTotalMemory(false) / (1024 * 1024)} MB F1 HIDE";
_line5 = $"TIME {elapsedHours:00}:{elapsedMinutes:00}:{elapsedRemainingSeconds:00}";
}
}