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[idd] common: centralize atomic operations

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This commit is contained in:
Geoffrey McRae
2026-08-13 20:18:18 +10:00
parent 5d12ee4bce
commit af309de438
27 changed files with 477 additions and 271 deletions
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7
idd/LGIdd/display/CMonitorContext.cpp
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@@ -48,8 +48,8 @@ NTSTATUS CMonitorContext::AssignSwapChain(
// new generation is established.
DetachSwapChain();
const UINT64 assignmentGeneration =
m_assignmentGeneration.fetch_add(1, std::memory_order_acq_rel) + 1;
const UINT64 assignmentGeneration = Atomic::FetchAdd(
m_assignmentGeneration, 1, std::memory_order_acq_rel) + 1;
// Build the D3D11 device into a local so the member is never observed
// half-constructed. The worker binds it before performing the expensive
@@ -96,7 +96,8 @@ void CMonitorContext::DetachSwapChain()
// Invalidate setup in progress before waiting for m_lock. This also lets a
// worker about to call SetDevice observe an unassign whose callback is
// blocked waiting for the processor to be published.
m_assignmentGeneration.fetch_add(1, std::memory_order_acq_rel);
Atomic::FetchAdd(
m_assignmentGeneration, 1, std::memory_order_acq_rel);
// Detach under the lock, then destroy outside it. Destroying the processor
// joins its worker thread, whose teardown (WdfObjectDelete) re-enters this