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Henrik RydgårdandClaude Opus 5.5
f53c27da1b
While loading, the game presents every frame but also pushes its "next draw" time 35-50ms ahead per frame, so by the end of loading it's about 7 seconds in the future. If loading finishes while the main thread is in the middle of a present, that present resets the time and nothing goes wrong. If it finishes anywhere else, the game stops presenting for those 7 seconds but keeps drawing every frame into the same 128KB display list, which overruns into the game's own globals within a second and crashes. Which way it goes depends on small timing differences. A hook on the draw function does what the winning side of the race does: once loading has completed, it pulls the next draw time back if it's more than a second ahead. Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>