Fixed model selection for FSR 4.1

Author: TheRazerMD

OptiScaler/fsr4/FSR4ModelSelection.cpp

@@ -157,7 +157,7 @@ void FSR4ModelSelection::Hook(HMODULE module, FSR4Source source)
         }
     }
 
-    // From amd_fidelityfx_upscaler_dx12 4.0.3.604
+    // From amd_fidelityfx_upscaler_dx12 4.0.3.604 from FFX 2.1 SDK
     // Used by some versions of SDK and Driver
     const char* pattern403 =
         "48 89 5C 24 ? 55 56 57 41 54 41 55 41 56 41 57 48 8D AC 24 ? ? ? ? B8 ? ? ? ? E8 ? ? ? ? 48 2B E0 0F 29 B4 24 "
@@ -181,6 +181,30 @@ void FSR4ModelSelection::Hook(HMODULE module, FSR4Source source)
         else
             LOG_ERROR("Couldn't hook model selection");
     }
+
+    // From amd_fidelityfx_upscaler_dx12 4.1.0 from FFX 2.2 SDK
+    const char* pattern410 = "48 8B C4 48 89 58 18 55 56 57 41 54 41 55 41 56 41 57 48 8D A8 28 F2 FF FF 48 81 EC A0 "
+                             "0E 00 00 0F 29 70 B8 0F 29 78 A8 48 8B ? ? ? ? ? 48 33 C4 48 89 85 78 0D 00 00 44 8B F2";
+
+    if (!o_createModelSDK && source == FSR4Source::SDK)
+    {
+        o_createModelSDK = (PFN_createModel) scanner::GetAddress(module, pattern410);
+
+        LOG_DEBUG("Hooking model selection, o_createModelSDK: {:X}", (uintptr_t) o_createModelSDK);
+
+        if (o_createModelSDK)
+        {
+            DetourTransactionBegin();
+            DetourUpdateThread(GetCurrentThread());
+
+            DetourAttach(&(PVOID&) o_createModelSDK, hkcreateModelSDK);
+
+            DetourTransactionCommit();
+        }
+        else
+            LOG_ERROR("Couldn't hook model selection");
+    }
+
     else if (!o_createModelDriver && source == FSR4Source::DriverDll)
     {
         o_createModelDriver = (PFN_createModel) scanner::GetAddress(module, pattern403);