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Profile and optimize retained rendering

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gamer147
2026-07-22 14:19:20 -04:00
parent 1625b3bf54
commit 838f6d4245
17 changed files with 1619 additions and 144 deletions
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47
godot/GodotAdvHost.cs
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@@ -7,6 +7,17 @@ using Age.Engine.Hosting;
using Age.Engine.Model;
using Age.Engine.Sys4;
[Flags]
public enum HostPresentationReason
{
None = 0,
HostRequest = 1,
ScreenTransition = 2,
RetainedMutation = 4,
ContinuousChannel = 8,
DiscreteSourceCell = 16,
}
[SupportedOSPlatform("windows")]
public sealed class GodotAdvHost : IHost
{
@@ -185,6 +196,16 @@ public sealed class GodotAdvHost : IHost
return _surfaceText.TryGetValue(surfaceSlot, out var draws) ? draws.ToArray() : Array.Empty<SurfaceTextDraw>();
}
public void SnapshotSurfaceText(int surfaceSlot, List<SurfaceTextDraw> snapshot)
{
ArgumentNullException.ThrowIfNull(snapshot);
lock (_textLock)
{
snapshot.Clear();
if (_surfaceText.TryGetValue(surfaceSlot, out var draws)) snapshot.AddRange(draws);
}
}
public void ClearRenderedAdvTextLayout(int layoutSlot)
{
lock (_textLock) _historyText.Remove(layoutSlot == 0 ? _currentAdvLayout : layoutSlot);
@@ -481,7 +502,12 @@ public sealed class GodotAdvHost : IHost
}
public void InputCallbackCompleted(GfxState gfx)
=> Interlocked.Exchange(ref _presentRequested, 1);
{
// Callback completion itself is not native graphics dirtiness. Any retained writes made by the
// callback are published through GfxState's mutation generation; host-owned surface writes set
// _presentRequested at their actual mutation sites. FIELD services a 50 ms hover callback even
// while the pointer is idle, so an unconditional request here recreates its sleep-poll overdraw.
}
public long InputClockMilliseconds => _clock.NowMs;
@@ -639,12 +665,22 @@ public sealed class GodotAdvHost : IHost
// Native retained-object writes are not front-buffer writes. Publish explicit/service-boundary dirtiness
// once, then continue only while the sampled retained scene can actually change. Text reveal is a separate
// Godot Label; waiting/sleeping alone do not alter background pixels.
public bool ShouldRecomposite(GfxState gfx)
public HostPresentationReason ConsumePresentationReasons(GfxState gfx)
{
bool screenTransitionActive;
lock (_screenTransitionLock) screenTransitionActive = _screenTransition != null;
return System.Threading.Interlocked.Exchange(ref _presentRequested, 0) != 0 ||
screenTransitionActive || gfx.HasActiveVisualPresentation(_clock.NowMs);
var reasons = HostPresentationReason.None;
if (System.Threading.Interlocked.Exchange(ref _presentRequested, 0) != 0)
reasons |= HostPresentationReason.HostRequest;
if (screenTransitionActive) reasons |= HostPresentationReason.ScreenTransition;
GfxPresentationReason gfxReasons = gfx.ConsumePresentationReasons(_clock.NowMs);
if ((gfxReasons & GfxPresentationReason.RetainedMutation) != 0)
reasons |= HostPresentationReason.RetainedMutation;
if ((gfxReasons & GfxPresentationReason.ContinuousChannel) != 0)
reasons |= HostPresentationReason.ContinuousChannel;
if ((gfxReasons & GfxPresentationReason.DiscreteSourceCell) != 0)
reasons |= HostPresentationReason.DiscreteSourceCell;
return reasons;
}
public void Stop()
@@ -760,9 +796,6 @@ public sealed class GodotAdvHost : IHost
long ms = NormalizeSleepMilliseconds(duration, SleepScale);
long deadline = _clock.NowMs + ms;
_timeline?.State("sleep", new() { ["duration_ms"] = ms, ["deadline_ms"] = deadline });
// A sleep is a service boundary: make preceding retained writes visible once even when no animation
// channel is active during the hold.
System.Threading.Interlocked.Exchange(ref _presentRequested, 1);
IsSleeping = true;
while (_clock.NowMs < deadline)
{