From 8f2a943589a7d85238973c26811eef2cd63dd4e1 Mon Sep 17 00:00:00 2001
From: FakeMichau <49685661+FakeMichau@users.noreply.github.com>
Date: Fri, 23 Oct 2026 12:02:49 +0200
Subject: [PATCH] Fix dxgi spoofing for amdxcffx64

---
 OptiScaler/spoofing/Dxgi_Spoofing.cpp | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/OptiScaler/spoofing/Dxgi_Spoofing.cpp b/OptiScaler/spoofing/Dxgi_Spoofing.cpp
index d827f622..d3296a5f 100644
--- a/OptiScaler/spoofing/Dxgi_Spoofing.cpp
+++ b/OptiScaler/spoofing/Dxgi_Spoofing.cpp
@@ -160,7 +160,11 @@ HRESULT DxgiSpoofing::hkGetDesc1(IDXGIAdapter1* This, DXGI_ADAPTER_DESC1* pDesc)
         auto targetDeviceIdMatches = !Config::Instance()->TargetDeviceId.has_value() ||
                                      Config::Instance()->TargetDeviceId.value() == pDesc->DeviceId;
 
-        if (pDesc->VendorId != VendorId::Microsoft && targetVendorIdMatches && targetDeviceIdMatches &&
+        // amdxcffx64 needs to see AMD vendor id
+        auto isFfxDriver = caller.starts_with("amdxcffx64");
+        auto keepRealAmd = isFfxDriver && pDesc->VendorId == VendorId::AMD;
+
+        if (pDesc->VendorId != VendorId::Microsoft && targetVendorIdMatches && targetDeviceIdMatches && !keepRealAmd &&
             Config::Instance()->DxgiSpoofing.value_or_default() && !SkipSpoofing())
         {
             pDesc->VendorId = Config::Instance()->SpoofedVendorId.value_or_default();
@@ -175,7 +179,7 @@ HRESULT DxgiSpoofing::hkGetDesc1(IDXGIAdapter1* This, DXGI_ADAPTER_DESC1* pDesc)
 #endif
         }
 
-        if (caller.starts_with("amdxcffx64") || caller.starts_with("amd_fidelityfx_upscaler_dx12"))
+        if (isFfxDriver || caller.starts_with("amd_fidelityfx_upscaler_dx12"))
         {
             const auto primaryGpu = IdentifyGpu::getPrimaryGpu();