46 lines
1.8 KiB
Diff
46 lines
1.8 KiB
Diff
From 7ed1f1d66b430ba35a197fbd9880cd6a76af8f06 Mon Sep 17 00:00:00 2001
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From: Codex <codex@localhost>
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Date: Thu, 1 Oct 2026 16:45:01 +0300
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Subject: [PATCH] Install the external d4r command backend before NGX
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initialization
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---
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OptiScaler/hooks/D3D12_Hooks.cpp | 14 ++++++++++++++
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1 file changed, 14 insertions(+)
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diff --git a/OptiScaler/hooks/D3D12_Hooks.cpp b/OptiScaler/hooks/D3D12_Hooks.cpp
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index 29c0bec..3b757be 100644
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--- a/OptiScaler/hooks/D3D12_Hooks.cpp
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+++ b/OptiScaler/hooks/D3D12_Hooks.cpp
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@@ -14,6 +14,7 @@
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#include <proxies/IGDExt_Proxy.h>
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#include <proxies/Streamline_Proxy.h>
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#include <proxies/KernelBase_Proxy.h>
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+#include <proxies/NVNGX_Proxy.h>
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#include <detours/detours.h>
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@@ -2230,6 +2231,19 @@ static void HookToDevice(ID3D12Device* InDevice)
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if (Util::CheckForRealObject(__FUNCTION__, InDevice, (IUnknown**) &realDevice))
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pVTable = *(PVOID**) realDevice;
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+ if (State::Instance().dlssExternalBackend)
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+ {
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+ // Capture command signatures/resources created before the game's NGX
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+ // Init. Install before adding OptiScaler's own method trampolines.
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+ using InstallCommandBackend = unsigned (*)(ID3D12Device*);
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+ auto install = reinterpret_cast<InstallCommandBackend>(KernelBaseProxy::GetProcAddress_()(
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+ NVNGXProxy::NVNGXModule(), "d4r_D3D12_InstallCommandBackend"));
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+ auto result = install ? install(realDevice ? realDevice : InDevice) : 0;
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+ LOG_INFO("External d4r command backend installed at device discovery: result={:X}", result);
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+ if (result != 1)
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+ LOG_ERROR("External d4r early command tracking failed; DLSS initialization must be checked");
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+ }
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+
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// hudless
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o_D3D12DeviceRelease = (PFN_Release) pVTable[2];
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o_CreateSampler = (PFN_CreateSampler) pVTable[22];
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--
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2.55.0.windows.5
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