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Merge pull request #209 from Snawoot/win_fbc_compat

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Win: FBC: add 32bit compat library
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Snawoot 2019-12-03 13:41:02 +02:00 committed by GitHub
commit 26839ab5a3
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4 changed files with 39 additions and 19 deletions
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12
win/nvfbcwrp/README.md
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@ -5,8 +5,12 @@ Wrapper for `NvFBC64.dll` library which injects private keys into `NvFBC_CreateE
## Usage
1. Obtain `nvfbcwrp.dll` file. You may build it yourself with MSVS 2019 or download latest release [here](https://gist.github.com/Snawoot/1edfbda9b0e91c46b6cc3d5a0e1e55a4/raw/ee2e4647753a731ac7b333a0c9681dc07d3ee0a1/nvfbcwrp.dll).
2. Backup your `%WINDIR\system32\NvFBC64.dll` file.
1. Obtain `nvfbcwrp64.dll` and `nvfbcwrp32.dll` files. You may build them yourself with MSVS 2019 or download latest release here: [nvfbcwrp64.dll](https://gist.github.com/Snawoot/2d78c569b5ffb29080cf9bfca401adfa/raw/166c5e10f8301000c171d5f59cc2ae0b551cd1b3/nvfbcwrp64.dll), [nvfbcwrp32.dll](https://gist.github.com/Snawoot/2d78c569b5ffb29080cf9bfca401adfa/raw/166c5e10f8301000c171d5f59cc2ae0b551cd1b3/nvfbcwrp32.dll).
2. Backup your `%WINDIR\system32\NvFBC64.dll` and `%WINDIR\SysWOW64\NvFBC.dll` files.
3. Rename file `%WINDIR\system32\NvFBC64.dll` to `%WINDIR\system32\NvFBC64_.dll`
4. Put `nvfbcwrp.dll` to `%WINDIR\system32\NvFBC64.dll` (on the original place of renamed `NvFBC64.dll` library).
5. Restart any applications using this library. That's it.
4. Rename file `%WINDIR\SysWOW64\NvFBC.dll` to `%WINDIR\SysWOW64\NvFBC_.dll`
5. Rename `nvfbcwrp64.dll` and put it to `%WINDIR\system32\NvFBC64.dll` (on the original place of renamed `NvFBC64.dll` library).
6. Rename `nvfbcwrp32.dll` and put it to `%WINDIR\SysWOW64\NvFBC.dll` (on the original place of renamed `NvFBC.dll` library).
7. Restart any applications using this library. That's it.
This procedure has to be repeated after any driver reinstall/update, so keep your copies of `nvfbcwrp64.dll` and `nvfbcwrp32.dll` files.

30
win/nvfbcwrp/nvfbcbody.asm
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@ -1,37 +1,43 @@
IFDEF RAX
ptrsz equ <qword>
ELSE
.486
.model flat, c
ptrsz equ <dword>
ENDIF
.data
extern ORIG_NvFBC_Create : qword, ORIG_NvFBC_Enable : qword,
ORIG_NvFBC_GetSDKVersion : qword, ORIG_NvFBC_GetStatus : qword,
ORIG_NvFBC_GetStatusEx : qword, ORIG_NvFBC_SetGlobalFlags : qword,
ORIG_NvOptimusEnablement : qword
extern ORIG_NvFBC_Create : ptrsz, ORIG_NvFBC_Enable : ptrsz,
ORIG_NvFBC_GetSDKVersion : ptrsz, ORIG_NvFBC_GetStatus : ptrsz,
ORIG_NvFBC_GetStatusEx : ptrsz, ORIG_NvFBC_SetGlobalFlags : ptrsz,
ORIG_NvOptimusEnablement : ptrsz
.code
PROXY_NvFBC_Create proc
jmp qword ptr [ORIG_NvFBC_Create]
jmp ptrsz ptr [ORIG_NvFBC_Create]
PROXY_NvFBC_Create endp
PROXY_NvFBC_Enable proc
jmp qword ptr [ORIG_NvFBC_Enable]
jmp ptrsz ptr [ORIG_NvFBC_Enable]
PROXY_NvFBC_Enable endp
PROXY_NvFBC_GetSDKVersion proc
jmp qword ptr [ORIG_NvFBC_GetSDKVersion]
jmp ptrsz ptr [ORIG_NvFBC_GetSDKVersion]
PROXY_NvFBC_GetSDKVersion endp
PROXY_NvFBC_GetStatus proc
jmp qword ptr [ORIG_NvFBC_GetStatus]
jmp ptrsz ptr [ORIG_NvFBC_GetStatus]
PROXY_NvFBC_GetStatus endp
PROXY_NvFBC_GetStatusEx proc
jmp qword ptr [ORIG_NvFBC_GetStatusEx]
jmp ptrsz ptr [ORIG_NvFBC_GetStatusEx]
PROXY_NvFBC_GetStatusEx endp
PROXY_NvFBC_SetGlobalFlags proc
jmp qword ptr [ORIG_NvFBC_SetGlobalFlags]
jmp ptrsz ptr [ORIG_NvFBC_SetGlobalFlags]
PROXY_NvFBC_SetGlobalFlags endp
PROXY_NvOptimusEnablement proc
jmp qword ptr [ORIG_NvOptimusEnablement]
jmp ptrsz ptr [ORIG_NvOptimusEnablement]
PROXY_NvOptimusEnablement endp
end

8
win/nvfbcwrp/nvfbcwrp.vcxproj
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@ -30,14 +30,14 @@
<ConfigurationType>DynamicLibrary</ConfigurationType>
<UseDebugLibraries>true</UseDebugLibraries>
<PlatformToolset>v142</PlatformToolset>
<CharacterSet>Unicode</CharacterSet>
<CharacterSet>MultiByte</CharacterSet>
</PropertyGroup>
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
<ConfigurationType>DynamicLibrary</ConfigurationType>
<UseDebugLibraries>false</UseDebugLibraries>
<PlatformToolset>v142</PlatformToolset>
<WholeProgramOptimization>true</WholeProgramOptimization>
<CharacterSet>Unicode</CharacterSet>
<CharacterSet>MultiByte</CharacterSet>
</PropertyGroup>
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
<ConfigurationType>DynamicLibrary</ConfigurationType>
@ -97,6 +97,8 @@
<SubSystem>Windows</SubSystem>
<GenerateDebugInformation>true</GenerateDebugInformation>
<EnableUAC>false</EnableUAC>
<ModuleDefinitionFile>nvfbcwrp.def</ModuleDefinitionFile>
<ImageHasSafeExceptionHandlers>false</ImageHasSafeExceptionHandlers>
</Link>
</ItemDefinitionGroup>
<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
@ -137,6 +139,8 @@
<OptimizeReferences>true</OptimizeReferences>
<GenerateDebugInformation>true</GenerateDebugInformation>
<EnableUAC>false</EnableUAC>
<ModuleDefinitionFile>nvfbcwrp.def</ModuleDefinitionFile>
<ImageHasSafeExceptionHandlers>false</ImageHasSafeExceptionHandlers>
</Link>
</ItemDefinitionGroup>
<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">

8
win/nvfbcwrp/nvfbcwrp_main.cpp
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@ -2,6 +2,12 @@
#include "nvfbcdefs.h"
#include <windows.h>
#ifdef _WIN64
#define LIBNAME ".\\NvFBC64_.dll"
#else
#define LIBNAME ".\\NvFBC_.dll"
#endif
HINSTANCE hLThis = 0;
extern "C" {
FARPROC ORIG_NvFBC_Create, ORIG_NvFBC_Enable, ORIG_NvFBC_GetSDKVersion,
@ -16,7 +22,7 @@ BOOL WINAPI DllMain(HINSTANCE hInst,DWORD reason,LPVOID)
if (reason == DLL_PROCESS_ATTACH)
{
//hLThis = hInst;
hL = LoadLibrary(".\\NvFBC64_.dll");
hL = LoadLibrary(LIBNAME);
if (!hL) return false;
ORIG_NvFBC_Create = GetProcAddress(hL, "NvFBC_Create");
if (!ORIG_NvFBC_Create) return false;