mirror of
https://github.com/keylase/nvidia-patch.git
synced 2024-09-20 15:01:31 +00:00
71 lines
2.2 KiB
C++
71 lines
2.2 KiB
C++
#include "pch.h"
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#include "nvfbcdefs.h"
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#include <windows.h>
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#ifdef _WIN64
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#define LIBNAME ".\\NvFBC64_.dll"
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#else
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#define LIBNAME ".\\NvFBC_.dll"
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#endif
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HINSTANCE hLThis = 0;
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extern "C" {
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FARPROC ORIG_NvFBC_Create, ORIG_NvFBC_Enable, ORIG_NvFBC_GetSDKVersion,
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ORIG_NvFBC_GetStatus, ORIG_NvFBC_GetStatusEx, ORIG_NvFBC_SetGlobalFlags,
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ORIG_NvOptimusEnablement;
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}
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NvFBC_CreateFunctionExType ORIG_NvFBC_CreateEx;
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HINSTANCE hL = 0;
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BOOL WINAPI DllMain(HINSTANCE hInst,DWORD reason,LPVOID)
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{
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if (reason == DLL_PROCESS_ATTACH)
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{
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//hLThis = hInst;
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hL = LoadLibrary(LIBNAME);
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if (!hL) return false;
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ORIG_NvFBC_Create = GetProcAddress(hL, "NvFBC_Create");
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if (!ORIG_NvFBC_Create) return false;
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ORIG_NvFBC_CreateEx = (NvFBC_CreateFunctionExType)::GetProcAddress(hL, "NvFBC_CreateEx");
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if (!ORIG_NvFBC_CreateEx) return false;
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ORIG_NvFBC_Enable = GetProcAddress(hL, "NvFBC_Enable");
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if (!ORIG_NvFBC_Enable) return false;
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ORIG_NvFBC_GetSDKVersion = GetProcAddress(hL, "NvFBC_GetSDKVersion");
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if (!ORIG_NvFBC_GetSDKVersion) return false;
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ORIG_NvFBC_GetStatus = GetProcAddress(hL, "NvFBC_GetStatus");
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if (!ORIG_NvFBC_GetStatus) return false;
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ORIG_NvFBC_GetStatusEx = GetProcAddress(hL, "NvFBC_GetStatusEx");
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if (!ORIG_NvFBC_GetStatusEx) return false;
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ORIG_NvFBC_SetGlobalFlags = GetProcAddress(hL, "NvFBC_SetGlobalFlags");
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if (!ORIG_NvFBC_SetGlobalFlags) return false;
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ORIG_NvOptimusEnablement = GetProcAddress(hL, "NvOptimusEnablement");
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if (!ORIG_NvOptimusEnablement) return false;
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}
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if (reason == DLL_PROCESS_DETACH)
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{
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FreeLibrary(hL);
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return true;
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}
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return true;
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}
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NVFBCRESULT NVFBCAPI PROXY_NvFBC_CreateEx(NvFBCCreateParams* params) {
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if (params->dwPrivateDataSize == 0 && params->pPrivateData == NULL) {
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//Backup old values
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void* bkp_privdata = params->pPrivateData;
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NvU32 bkp_privdatasize = params->dwPrivateDataSize;
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// Inject private keys into structure
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params->dwPrivateDataSize = sizeof(magic);
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params->pPrivateData = &magic;
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// Invoke original function
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NVFBCRESULT res = ORIG_NvFBC_CreateEx(params);
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// Rollback private data changes in params structure
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params->pPrivateData = bkp_privdata;
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params->dwPrivateDataSize = bkp_privdatasize;
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return res;
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}
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else {
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return ORIG_NvFBC_CreateEx((void*)params);
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}
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} |