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- The handle arm took only ONE of the registry's two sweep drivers. The map arm sweeps
every 64 first-time insertions BECAUSE object churn, not draw count, is what makes the
sweep urgent: a CTS-shaped case runs ~10 per-draw ticks, so the 1024-tick draw-path
driver alone spans ~100 cases' worth of dead, gigabyte-sized twins. BackendSlotTable now
carries the same kCreationGCInterval = 64 creation tick, swept before the entry reference
exists for the same reason the map arm sweeps there. Without this the slice REGRESSED the
memory it was supposed to leave unchanged.
- Fatal{PipeLegacyMemosDisabled} now aborts. It logged and then returned false, which fell
straight into the legacy arm the operator had just made unreachable: a green run measured
on the wrong arm, and the exact lever HandleRecycleScenario's arms are selected with. It
is also resolved at backend context creation now, not on the first twin lookup, so a
process that twins nothing still learns its knobs leave it with no arm at all.
- EsprytSlotTablesEnabled() becomes an inline latch over an out-of-line resolver. It is
consulted on every Find/GetOrCreate/HandleOf/ForEachLive/CollectGarbage*, i.e. several
times per draw, and as a cross-TU call with no LTO that was a PLT call per lookup.
- HandleOf keeps a one-entry lifetimeId -> handle memo, so the three per-draw resolution
paths whose TwinLookupMemos this slice deleted go back to an integer compare plus an
array index instead of the allocator's ByLifetimeId hash - which is the "direct slot
indexing" the memo removal was traded for. It cannot serve a stale answer: a lifetime id
is never handed out twice, and FindByHandle compares Gen anyway.
- GetOrCreate(nullptr) returns a parking slot instead of dereferencing null in a release
build; the map arm inserted a null key and SyncTextureObjectToBackend documents relying
on that tolerance.
- ReclaimDeadSlots moves the twin out before it writes the entry, so a twin destructor that
re-entered GetOrCreate and grew m_slots could not make the writes land in freed memory.
- The framebuffer binding-slot cache is gated on kMGPipeSubsystemEsprytSlots rather than on
the compile-time MOBILEGL_PIPE_PUSH, so MOBILEGL_PIPE_PUSH=0 stays the faithful
all-subsystems-pull control ConfigLoader.cpp documents. The poison bypass stays closed on
the arm that ships.
- MGB_TWIN_KIND_PARAM/ARG stop leaking into every TU that includes Managers.h: the twelve
declaration and definition sites name a TwinRegistry alias template that swallows the
kind in the pull build, and the one remaining macro is #undef'd after the class.
- The twin lookup inside BindCurrentFBO stops shadowing the framebuffer binding slot in a
function whose whole subject is which "slot" is meant.