Initial commit for GitHub migration based on spice2x-25-03-03

2026-08-02 23:00:42 -07:00 · 2025-03-10 19:16:49 -07:00
parent 94af8d32c9
commit ed8c72852f
1008 changed files with 296815 additions and 0 deletions
@@ -0,0 +1,59 @@
+#include "external/nvapi/nvapi.h"
+#include "external/nvapi/NvApiDriverSettings.h"
+#include "hooks/libraryhook.h"
+#include "util/detour.h"
+#include "util/libutils.h"
+#include "util/logging.h"
+
+#include "nvapi_hook.h"
+
+namespace nvapi_hook {
+
+    bool BYPASS_NVAPI = false;
+
+    typedef uintptr_t *(*NvAPI_QueryInterface_t)(unsigned int);
+    static NvAPI_QueryInterface_t NvAPI_QueryInterface_orig = nullptr;
+
+    static uintptr_t* __cdecl NvAPI_QueryInterface_hook(unsigned int func_code);
+    static NvAPI_Status __cdecl NvAPI_DISP_SetDisplayConfig_hook(
+        NvU32 pathInfoCount, NV_DISPLAYCONFIG_PATH_INFO *pathInfo, NvU32 flags);
+
+    void initialize(HINSTANCE dll) {
+
+#ifdef SPICE64
+        std::string nvapi_dll = "nvapi64.dll";
+#else
+        std::string nvapi_dll = "nvapi.dll";
+#endif
+
+        detour::trampoline_try(
+            nvapi_dll.c_str(), "nvapi_QueryInterface",
+            NvAPI_QueryInterface_hook, &NvAPI_QueryInterface_orig);
+    }
+
+    uintptr_t* __cdecl NvAPI_QueryInterface_hook(unsigned int func_code) {
+        if (BYPASS_NVAPI) {
+            log_misc(
+                "nvapi_hook",
+                "NvAPI_QueryInterface(0x{:x}) - block all calls to nvapi (-nonvapi)",
+                func_code);
+            return nullptr;
+        }
+
+        // NvAPI_DISP_SetDisplayConfig
+        if (func_code == 0x5D8CF8DE) { 
+            log_misc("nvapi_hook", "NvAPI_QueryInterface(NvAPI_DISP_SetDisplayConfig) - hooked");
+            return (uintptr_t *)NvAPI_DISP_SetDisplayConfig_hook;
+        }
+        
+        // all others: let the game call nvapi directly
+        log_misc("nvapi_hook", "NvAPI_QueryInterface(0x{:x}) - pass through to nvapi", func_code);
+        return NvAPI_QueryInterface_orig(func_code);
+    }
+
+    NvAPI_Status __cdecl NvAPI_DISP_SetDisplayConfig_hook(
+        NvU32 pathInfoCount, NV_DISPLAYCONFIG_PATH_INFO *pathInfo, NvU32 flags) {
+        log_misc("nvapi_hook", "NvAPI_DISP_SetDisplayConfig_hook - do nothing and return");
+        return NVAPI_OK;
+    }
+}