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The pf-vdisplay driver now consumes the OS swap-chain so a virtual monitor is a usable display rather than a stalled one. Compiles + loads on-glass (no regression: adapter still inits, Status=OK); adversarially reviewed — no blockers, the leak/deadlock invariants preserved. - new swap_chain_processor.rs: a worker thread (MMCSS "Distribution") that binds the render D3D device (IddCxSwapChainSetDevice, single-borrow 60x@50ms retry) then drains the swap-chain (ReleaseAndAcquireBuffer2 -> FinishedProcessingFrame; E_PENDING waits 16ms on the surface event). NO frame publisher yet (STEP 6). RAII terminate+join Drop; the load-bearing top-of-loop terminate check (the oracle's reconnect-leak fix). Fixed a Rust-2021 disjoint- capture bug: `.0` field access bypassed the Sendable Send wrapper -> rebind the whole wrappers. - new direct_3d_device.rs: CreateDXGIFactory2 -> EnumAdapterByLuid(render LUID) -> D3D11CreateDevice; a DEVICE_POOL of one Arc<Direct3DDevice> per render LUID (the NVIDIA-UMD-worker-thread leak fix). - monitor.rs: MonitorObject gains swap_chain_processor; set/take helpers return it for the caller to drop OUTSIDE the MONITOR_MODES lock (dropping joins the worker — must never happen under the lock); remove_monitor/clear_all drop it before IddCxMonitorDeparture. - callbacks.rs: assign_swap_chain spawns the processor (pooled device per RenderAdapterLuid; WdfObjectDelete on D3D-init failure so the OS retries); unassign_swap_chain drops it. Fixed the stale `panic = "abort"` doc (workspace is unwind; the extern "C" boundary aborts on unwind). - Cargo.toml: windows 0.58 + thiserror (both already resolved in the driver lock). The 3 needed swap-chain DDIs were already wrapped in wdk-iddcx; their HRESULT-shaped NTSTATUS is classified by hand (hr>=0 success, 0x8000000A E_PENDING). - Also rustfmt'd the whole driver workspace (it had never been driver-fmt'd). Built via the ultracode flow: STEP-5 map workflow -> agent-implement -> box build (caught the Send-capture bug) -> adversarial-verify-agent -> deploy (loads). Session-1 on-glass validation (the drain loop servicing an ACTIVE monitor) is the next gate — assign_swap_chain only fires under an interactive session. Note for STEP 6: target_id_for_object uses the MONITOR_MODES handle lookup the oracle moved to a WDF context; revisit before target_id keys the shared frame ring. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
38 lines
1.8 KiB
Rust
38 lines
1.8 KiB
Rust
//! pf-vdisplay — the all-Rust UMDF IddCx virtual-display driver (M1 step-2 rewrite, on wdk-sys + the
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//! owned pf-vdisplay-proto ABI). See docs/windows-host-rewrite.md §14 for the full port plan.
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//!
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//! STEP 2: the IddCx driver SKELETON — DriverEntry → driver_add builds the full `IDD_CX_CLIENT_CONFIG`
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//! (14 IddCx callbacks + the PnP `EvtDeviceD0Entry`, all stubs) sized via the versioned
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//! [`size::idd_cx_client_config_size`], runs `IddCxDeviceInitConfig` → `WdfDeviceCreate` →
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//! `WdfDeviceCreateDeviceInterface`(the owned pf-vdisplay GUID) → `IddCxDeviceInitialize`, and exports
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//! `IddMinimumVersionRequired`. This links `IddCxStub` (the CI gate). The real adapter init (STEP 3),
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//! control plane + monitor/modes (STEP 4), and swap-chain/IDD-push (STEP 5-6) fill the stubs in.
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#![allow(non_snake_case, clippy::missing_safety_doc)]
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#[macro_use]
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mod log;
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mod adapter;
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mod callbacks;
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mod control;
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mod direct_3d_device;
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mod edid;
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mod entry;
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mod monitor;
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mod swap_chain_processor;
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use wdk_sys::NTSTATUS;
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// NTSTATUS codes the driver returns (wdk-sys doesn't surface all of these as constants).
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pub(crate) const STATUS_SUCCESS: NTSTATUS = 0;
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pub(crate) const STATUS_NOT_IMPLEMENTED: NTSTATUS = 0xC000_0002u32 as NTSTATUS;
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pub(crate) const STATUS_NOT_FOUND: NTSTATUS = 0xC000_0225u32 as NTSTATUS;
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pub(crate) const STATUS_INVALID_PARAMETER: NTSTATUS = 0xC000_000Du32 as NTSTATUS;
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pub(crate) const STATUS_BUFFER_TOO_SMALL: NTSTATUS = 0xC000_0023u32 as NTSTATUS;
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/// IddCx (stub mode) requires the driver to export the minimum IddCx framework version it needs — the
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/// `#ifndef IDD_STUB` branch of `IddCxFuncEnum.h` that normally emits it is compiled out under
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/// `IDD_STUB`. `4` matches the proven `wdf-umdf` oracle.
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#[unsafe(no_mangle)]
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pub static IddMinimumVersionRequired: wdk_sys::ULONG = 4;
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