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Implement retained graphics lifecycle ops

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gamer147
2026-07-20 14:29:41 -04:00
parent 458b65aee6
commit d740c27b4a
12 changed files with 423 additions and 102 deletions
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43
godot/GodotAdvHost.cs
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@@ -593,6 +593,49 @@ public sealed class GodotAdvHost : IHost
_main.CallDeferred("StopMovie", resourceId);
}
public void ClearRenderTarget(int surfaceSlot)
{
// The retained compositor rebuilds the backbuffer from black at the next publication boundary.
// For an offscreen target, discard separately retained text draws so its modeled pixel contents
// observe the native D3D clear as well.
if (surfaceSlot >= 0)
lock (_textLock) _surfaceText.Remove(surfaceSlot);
_timeline?.Event("render-target-clear", new() { ["surface"] = surfaceSlot });
}
public void ReleaseSurfaceRange(int firstSlot, int count)
{
var stoppedMovies = new System.Collections.Generic.HashSet<long>();
int end = checked(firstSlot + count);
lock (_imageLock)
{
for (int slot = firstSlot; slot < end; slot++)
{
if (_movieBySurface.Remove(slot, out long resourceId))
{
stoppedMovies.Add(resourceId);
_movieFrames.Remove(resourceId);
_completedMovies.Remove(resourceId);
}
_slotDims.Remove(slot);
}
}
lock (_textLock)
{
for (int slot = firstSlot; slot < end; slot++)
{
_surfaceText.Remove(slot);
_surfaceResources.Remove(slot);
}
}
foreach (long resourceId in stoppedMovies)
{
_timeline?.Event("movie-stop", new() { ["resource"] = resourceId, ["range_release"] = true });
_main.CallDeferred("StopMovie", resourceId);
}
_timeline?.Event("surface-range-release", new() { ["first"] = firstSlot, ["count"] = count });
}
// Main-thread decoder handoff. Replacing the newest frame mirrors the native texture renderer's
// sample callback: the retained object keeps its surface binding while only the surface pixels change.
public void PublishMovieFrame(long resourceId, string name, int rawIndex, RgbaImage frame)