Execute Windows DLSS K and M at recorded D3D12 command-list boundaries

scripts/windows/build-windows-rdna4.ps1

@@ -35,6 +35,15 @@ if (!(Test-Path $cmake) -or !(Test-Path $ninja)) {
     throw 'CMake >=3.24 and Ninja required. See docs/windows-rdna4-port.md for local tool setup.'
 }
 New-Item -ItemType Directory -Force $BuildDirectory | Out-Null
+$minhook = Join-Path $repo 'external/MinHook'
+if (!(Test-Path (Join-Path $minhook 'include/MinHook.h'))) {
+    & git clone --depth 1 --branch v1.3.4 https://github.com/TsudaKageyu/minhook.git $minhook
+    if ($LASTEXITCODE) { throw 'MinHook 1.3.4 source download failed.' }
+}
+$minhookCommit = (& git -C $minhook rev-parse HEAD).Trim()
+if ($minhookCommit -ne 'c3fcafdc10146beb5919319d0683e44e3c30d537') {
+    throw "Expected audited MinHook 1.3.4 source, found $minhookCommit"
+}
 $originalPath = $env:PATH
 try {
     $configure = @('--fresh', '-S', $repo, '-B', $BuildDirectory, '-G', 'Ninja', '-DCMAKE_BUILD_TYPE=RelWithDebInfo',
@@ -44,6 +53,7 @@ try {
         if (!(Test-Path $compiler)) { throw "Compiler missing: $compiler" }
         $env:PATH = "$(Join-Path $ToolchainRoot 'bin');$originalPath"
         $configure += "-DCMAKE_CXX_COMPILER=$compiler"
+        $configure += "-DCMAKE_C_COMPILER=$(Join-Path $ToolchainRoot 'bin/x86_64-w64-mingw32-clang.exe')"
     }
     if ($ZludaRoot) { $configure += "-DD4R_ZLUDA_ROOT=$ZludaRoot" }
     $ErrorActionPreference = 'Continue'

scripts/windows/test-windows-rdna4.ps1

@@ -12,6 +12,7 @@ param(
     [switch]$NgxOnly,
     [switch]$Trace,
     [switch]$RequireNativeNetwork,
+    [switch]$CommandListBackend,
     [int]$Iterations = 32,
     [int]$TimeoutSeconds = 180
 )
@@ -210,6 +211,9 @@ try {
         if ($cudaOk) {
             $mapOk = $interopOk = $true
             if (!$NgxOnly) {
+            $commandOk = Invoke-Probe 'd3d12-command-backend' (Join-Path $bin 'd4r_d3d12_command_probe.exe') @(
+                '--hip-root', $HipRoot, '--module', (Join-Path $bin 'd4r_nvngx.dll'), '--iterations', "$Iterations")
+            if (!$commandOk) { throw 'D3D12 command-list order/state/lifetime validation failed.' }
             $mapOk = Invoke-Probe 'interop-map-lifetime' (Join-Path $bin 'd4r_d3d12_hip_interop_probe.exe') @(
                 '--hip-root', $HipRoot, '--interop-mode', 'map', '--iterations', '64')
             $interopOk = Invoke-Probe 'interop-roundtrip' (Join-Path $bin 'd4r_d3d12_hip_interop_probe.exe') @(
@@ -250,6 +254,7 @@ try {
                     $localShim = Join-Path $ngxRuntimeDirectory 'd4r_nvngx.dll'
                     Copy-Item -LiteralPath (Join-Path $bin 'd4r_nvngx.dll') -Destination $localShim
                     $ngxArguments += @('--module', $localShim)
+                    if ($CommandListBackend) { $ngxArguments += @('--interop-mode', 'command-list') }
                 }
                 $ngxName = if ($NgxMode -eq 'evaluate') { "ngx-evaluate-preset-$Preset" } elseif ($NgxMode -eq 'd3d12') { "d3d12-evaluate-preset-$Preset" } else { 'ngx-init' }
                 $ngxOk = Invoke-Probe $ngxName $ngxExe $ngxArguments