enricobuehler
6a3c95569d
First USE of the iddcx binding: a minimal table-dispatch (src/iddcx_rt.rs) over wdk_sys::iddcx — IddFunctions[_IDDFUNCENUM::<Name>TableIndex] cast to PFN_*, IddDriverGlobals as implicit arg 1 (the WDF model; ModuleConsts i32 index, not the oracle NewType .0). The probe EvtDeviceAdd now calls IddCxDeviceInitConfig → WdfDeviceCreate → IddCxDeviceInitialize → IddCxAdapterInitAsync, exports IddMinimumVersionRequired=4, and build.rs links IddCxStub (globbed from the SDK Lib dir that ships iddcx). CI gate = compile + link IddCxStub. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
42 lines
1.9 KiB
Rust
42 lines
1.9 KiB
Rust
//! Emits the WDK link flags for the cdylib (the same call the gamepad drivers use). If wdk-build adds
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//! `/INTEGRITYCHECK`, it shows up in the produced DLL's PE DllCharacteristics — which the CI step
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//! inspects to answer the M0 self-signed-load question. Also links `IddCxStub` so the `iddcx` DDIs the
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//! probe calls resolve (the M1 link gate).
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fn main() -> Result<(), wdk_build::ConfigError> {
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wdk_build::configure_wdk_binary_build()?;
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link_iddcx_stub();
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Ok(())
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}
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/// Link `IddCxStub.lib`. It ships only under the SDK *version* that includes IddCx (e.g. 10.0.26100.0),
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/// at `Lib\<ver>\um\<arch>\iddcx\<iddcxver>\` — a newer base SDK installed alongside (e.g. 10.0.28000.0)
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/// has `um\<arch>` but no `iddcx`, so we glob for the dir that actually contains the lib rather than
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/// trusting the max SDK version (the same gotcha the `wdf-umdf` oracle's build script documents). x64
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/// only (the Windows host is x64-only).
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fn link_iddcx_stub() {
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const ARCH: &str = "x64";
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const ROOTS: [&str; 2] = [
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r"C:\Program Files (x86)\Windows Kits\10\Lib",
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r"C:\Program Files\Windows Kits\10\Lib",
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];
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for root in ROOTS {
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let Ok(versions) = std::fs::read_dir(root) else {
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continue;
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};
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for ver in versions.flatten() {
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let iddcx = ver.path().join("um").join(ARCH).join("iddcx");
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let Ok(subdirs) = std::fs::read_dir(&iddcx) else {
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continue;
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};
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for sub in subdirs.flatten() {
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if sub.path().join("IddCxStub.lib").is_file() {
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println!("cargo:rustc-link-search={}", sub.path().display());
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println!("cargo:rustc-link-lib=static=IddCxStub");
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return;
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}
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}
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}
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}
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panic!("IddCxStub.lib not found under any Windows Kits Lib\\<ver>\\um\\{ARCH}\\iddcx\\<iddcxver>\\");
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}
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