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fix: avoid AGF decode during movie preroll

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gamer147
2026-07-21 15:15:23 -04:00
parent fdcfbd9fa6
commit 9fd94ff540
5 changed files with 67 additions and 8 deletions
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5
engine/Age.Engine/Vm/VirtualMachine.cs
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@@ -1422,10 +1422,13 @@ public sealed class VirtualMachine
Gfx.RemapObjectSurface(movieHandle, surfaceSlot, 0);
surfaceSlot = 0;
}
// Graph construction is synchronous. Keep the existing created surface blank during that
// boundary; publishing the movie resource first would let a concurrent compositor mistake
// the MPEG payload's .AGF name for a still image before the host registers/decodes it.
long? stopTimeMs = _host.PlayMovieToSurface(resourceId, surfaceSlot, Read(a[2]), Read(a[3]));
// The native CMovieToTexture renderer replaces the pixels of the already-created surface.
// Retain the same resource binding so the compositor resolves live movie frames for its objects.
Gfx.SetSurface(surfaceSlot, resourceId, 0);
long? stopTimeMs = _host.PlayMovieToSurface(resourceId, surfaceSlot, Read(a[2]), Read(a[3]));
Gfx.SetMovieStopTime(surfaceSlot, stopTimeMs);
return pc + 1; // native cmd size 9 resumes at the next instruction; playback is asynchronous
}