From c29f6f0bef8f0d6122ce9346ccc95ec2fb3da701 Mon Sep 17 00:00:00 2001
From: Krzysztof Bogacki <krzysztof.bogacki@leancode.pl>
Date: Fri, 6 Dec 2024 04:36:45 +0100
Subject: [PATCH] util: Spoof Ada and later GPUs as Ampere for The Great Circle

---
 src/util/util_env.cpp | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/util/util_env.cpp b/src/util/util_env.cpp
index 732d0763..ede74fbb 100644
--- a/src/util/util_env.cpp
+++ b/src/util/util_env.cpp
@@ -117,6 +117,11 @@ namespace dxvk::env {
         }
     }
 
+    bool isTheGreatCircle() {
+        static constexpr auto name = std::string_view("TheGreatCircle.exe");
+        return getExecutableName() == name;
+    }
+
     bool needsAmpereSpoofing(NV_GPU_ARCHITECTURE_ID architectureId, void* pReturnAddress) {
         // Check if we need to workaround NVIDIA Bug 3634851
         if (architectureId >= NV_GPU_ARCHITECTURE_AD100 && isDLSSVersion20To24(pReturnAddress)) {
@@ -124,6 +129,11 @@ namespace dxvk::env {
             return true;
         }
 
+        if (architectureId >= NV_GPU_ARCHITECTURE_AD100 && isTheGreatCircle()) {
+            log::info("Spoofing Ampere for Ada and later due to detecting TheGreatCircle.exe");
+            return true;
+        }
+
         return false;
     }