From 312c7df2d68b01f993e14e3134942475e90e56aa Mon Sep 17 00:00:00 2001
From: FakeMichau <49685661+FakeMichau@users.noreply.github.com>
Date: Thu, 13 Aug 2026 01:11:07 +0200
Subject: [PATCH] Version query for enabler

---
 OptiScaler/framegen/nvngx/Nvngx_Arturs.cpp | 36 ++++++++++++++++++++++
 OptiScaler/framegen/nvngx/Nvngx_Arturs.h   |  6 ++++
 2 files changed, 42 insertions(+)

diff --git a/OptiScaler/framegen/nvngx/Nvngx_Arturs.cpp b/OptiScaler/framegen/nvngx/Nvngx_Arturs.cpp
index f00a9a13..6d4c94fa 100644
--- a/OptiScaler/framegen/nvngx/Nvngx_Arturs.cpp
+++ b/OptiScaler/framegen/nvngx/Nvngx_Arturs.cpp
@@ -1,6 +1,37 @@
 #include "pch.h"
 #include "Nvngx_Arturs.h"
 
+void Nvngx_Arturs::QueryVersions()
+{
+    if (!_DLSSG_D3D12_GetCapabilityParameters)
+        return;
+
+    // Main version
+    HMODULE hModule;
+    GetModuleHandleExA(GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS | GET_MODULE_HANDLE_EX_FLAG_UNCHANGED_REFCOUNT,
+                       (LPCSTR) _DLSSG_D3D12_GetCapabilityParameters, &hModule);
+
+    wchar_t dllPath[MAX_PATH] = { 0 };
+    GetModuleFileNameW(hModule, dllPath, MAX_PATH);
+
+    Util::GetFileVersion(dllPath, &enablerVersion);
+
+    // Antighosting version
+    NVSDK_NGX_Parameter* tempParams {};
+    _DLSSG_D3D12_GetCapabilityParameters(&tempParams);
+    if (tempParams)
+    {
+        auto result = tempParams->Get("FrameInterpolation.GhostbusterVersionMajor", &ghostbusterVersion.major);
+        tempParams->Get("FrameInterpolation.GhostbusterVersionMinor", &ghostbusterVersion.minor);
+
+        if (result != NVSDK_NGX_Result_Success)
+            LOG_WARN("Couldn't query version");
+    }
+
+    LOG_INFO("DE Ver: {}.{}.{}.{}, GB Ver: {}.{}", enablerVersion.major, enablerVersion.minor, enablerVersion.patch,
+             enablerVersion.reserved, ghostbusterVersion.major, ghostbusterVersion.minor);
+}
+
 void Nvngx_Arturs::LoadLibraries()
 {
     HMODULE memModule = nullptr;
@@ -29,6 +60,11 @@ void Nvngx_Arturs::LoadLibraries()
         _DLSSG_D3D12_PopulateParameters_Impl =
             (PFN_D3D12_PopulateParameters_Impl) GetProcAddress(dll, "DLSSG_NVSDK_NGX_D3D12_PopulateParameters_Impl");
 
+        _DLSSG_D3D12_GetCapabilityParameters =
+            (PFN_D3D12_GetCapabilityParameters) GetProcAddress(dll, "NVSDK_NGX_D3D12_GetCapabilityParameters");
+
+        QueryVersions();
+
         LOG_INFO("Artur's initialized");
     }
     else
diff --git a/OptiScaler/framegen/nvngx/Nvngx_Arturs.h b/OptiScaler/framegen/nvngx/Nvngx_Arturs.h
index b546821f..58a5de76 100644
--- a/OptiScaler/framegen/nvngx/Nvngx_Arturs.h
+++ b/OptiScaler/framegen/nvngx/Nvngx_Arturs.h
@@ -3,6 +3,12 @@
 
 class Nvngx_Arturs : public Nvngx_DllProxy
 {
+    PFN_D3D12_GetCapabilityParameters _DLSSG_D3D12_GetCapabilityParameters = nullptr;
+    Util::version_t enablerVersion {};
+    feature_version ghostbusterVersion {};
+
+    void QueryVersions();
+
   protected:
     void LoadLibraries() override final;