mirror of
https://github.com/LibreVR/Revive.git
synced 2026-08-04 00:54:37 -04:00
54 lines
1.3 KiB
C++
54 lines
1.3 KiB
C++
#include <Windows.h>
|
|
#include <stdio.h>
|
|
#include <Shlwapi.h>
|
|
#include <string>
|
|
|
|
#include "MinHook.h"
|
|
#include "Extras\OVR_CAPI_Util.h"
|
|
#include "OVR_Version.h"
|
|
#include "microprofile.h"
|
|
|
|
typedef HMODULE(__stdcall* _LoadLibrary)(LPCWSTR lpFileName);
|
|
|
|
_LoadLibrary TrueLoadLibrary;
|
|
|
|
WCHAR revModuleName[MAX_PATH];
|
|
WCHAR ovrModuleName[MAX_PATH];
|
|
|
|
HMODULE WINAPI HookLoadLibrary(LPCWSTR lpFileName)
|
|
{
|
|
LPCWSTR name = PathFindFileNameW(lpFileName);
|
|
LPCWSTR ext = PathFindExtensionW(name);
|
|
size_t length = ext - name;
|
|
|
|
// Load our own library again so the ref count is incremented.
|
|
if (wcsncmp(name, ovrModuleName, length) == 0)
|
|
return TrueLoadLibrary(revModuleName);
|
|
|
|
return TrueLoadLibrary(lpFileName);
|
|
}
|
|
|
|
BOOL APIENTRY DllMain(HANDLE hModule, DWORD ul_reason_for_call, LPVOID lpReserved)
|
|
{
|
|
#if defined(_WIN64)
|
|
const char* pBitDepth = "64";
|
|
#else
|
|
const char* pBitDepth = "32";
|
|
#endif
|
|
switch (ul_reason_for_call)
|
|
{
|
|
case DLL_PROCESS_ATTACH:
|
|
GetModuleFileName((HMODULE)hModule, revModuleName, MAX_PATH);
|
|
swprintf(ovrModuleName, MAX_PATH, L"LibOVRRT%hs_%d.dll", pBitDepth, OVR_MAJOR_VERSION);
|
|
MH_Initialize();
|
|
MH_CreateHook(LoadLibraryW, HookLoadLibrary, (PVOID*)&TrueLoadLibrary);
|
|
MH_EnableHook(MH_ALL_HOOKS);
|
|
break;
|
|
case DLL_PROCESS_DETACH:
|
|
MH_Uninitialize();
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
return TRUE;
|
|
}
|