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[idd] serialize framebuffer copies on one queue

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Replace the rotating D3D12 copy queues with two framebuffer-bound
recording slots on one physical COPY queue. Keep allocator, command
list, query range, callback state, and fence target independent per
slot.

Submit source waits, execution, and signaling on the shared timeline.
Track framebuffer ownership through completion and serialize LGMP
publication around the last successfully published frame.
This commit is contained in:
Geoffrey McRae
2026-08-03 18:08:36 +10:00
parent 843207c628
commit ff4ca7d786
12 changed files with 813 additions and 423 deletions
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2
idd/LGIdd/effect/CColorTransformEffect.cpp
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@@ -280,7 +280,7 @@ ComPtr<ID3D12Resource> CColorTransformEffect::Run(
UNREFERENCED_PARAMETER(dirtyRects);
UNREFERENCED_PARAMETER(nbDirtyRects);
// GetComputeQueue waits for the previous submission before Run is called,
// GetComputeSlot waits for the previous submission before Run is called,
// so this is the first point where the shared upload buffers are guaranteed
// not to be in use by the GPU.
if (m_uploadPending)