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Updated Linux X11 & OLGX hooks.

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Use LD_PRELOAD=$PWD/libsteam_api.so app_name to load overlay.
This commit is contained in:
Nemirtingas 2019-09-03 10:32:32 +02:00
parent d6f29ffffa
commit ecd753422b
5 changed files with 232 additions and 139 deletions
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180
overlay_experimental/Renderer_Detector.cpp
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@ -509,7 +509,13 @@ void Renderer_Detector::find_renderer_proc(Renderer_Detector* _this)
Hook_Manager& hm = Hook_Manager::Inst();
hm.AddHook(_this->rendererdetect_hook);
std::vector<std::string> const libraries = { "opengl32.dll", "d3d12.dll", "d3d11.dll", "d3d10.dll", "d3d9.dll" };
std::vector<std::string> const libraries = {
OpenGL_Hook::DLL_NAME,
DX12_Hook::DLL_NAME,
DX11_Hook::DLL_NAME,
DX10_Hook::DLL_NAME,
DX9_Hook::DLL_NAME
};
while (!_this->_renderer_found && !_this->stop_retry())
{
@ -615,8 +621,12 @@ Renderer_Detector::Renderer_Detector():
#include <dlfcn.h>
#include <fstream>
static decltype(glXSwapBuffers)* _glXSwapBuffers = nullptr;
extern "C" void *_dl_sym(void *, const char *, void *);
static decltype(glXGetProcAddress)* real_glXGetProcAddress = nullptr;
static decltype(glXGetProcAddressARB)* real_glXGetProcAddressARB = nullptr;
/*
void Renderer_Detector::MyglXSwapBuffers(Display *dpy, GLXDrawable drawable)
{
Renderer_Detector& inst = Renderer_Detector::Inst();
@ -653,7 +663,7 @@ void Renderer_Detector::hook_openglx(const char* libname)
}
if (glXSwapBuffers != nullptr)
{
PRINT_DEBUG("Hooked glXMakeCurrent to detect OpenGLX\n");
PRINT_DEBUG("Hooked glXSwapBuffers to detect OpenGLX\n");
_oglx_hooked = true;
auto h = OpenGLX_Hook::Inst();
@ -663,7 +673,7 @@ void Renderer_Detector::hook_openglx(const char* libname)
}
else
{
PRINT_DEBUG("Failed to Hook glXMakeCurrent to detect OpenGLX\n");
PRINT_DEBUG("Failed to Hook glXSwapBuffers to detect OpenGLX\n");
}
}
}
@ -673,54 +683,15 @@ void Renderer_Detector::create_hook(const char* libname)
if (strcasestr(libname, OpenGLX_Hook::DLL_NAME) != nullptr)
hook_openglx(libname);
}
*/
void Renderer_Detector::find_renderer_proc(Renderer_Detector* _this)
{
/*
_this->rendererdetect_hook = new Base_Hook();
Hook_Manager& hm = Hook_Manager::Inst();
hm.AddHook(_this->rendererdetect_hook);
std::vector<std::string> const libraries = { "libGLX.so" };
while (!_this->_renderer_found && !_this->stop_retry())
{
std::ifstream flibrary("/proc/self/maps");
std::string line;
while( std::getline(flibrary, line) )
{
std::for_each(libraries.begin(), libraries.end(), [&line, &_this]( std::string const& library )
{
if( std::search(line.begin(), line.end(), library.begin(), library.end()) != line.end() )
{
_this->create_hook(line.substr(line.find('/')).c_str());
}
});
}
std::this_thread::sleep_for(std::chrono::milliseconds(500));
}
if (_this->game_renderer == nullptr) // Couldn't hook renderer
{
hm.RemoveHook(X11_Hook::Inst());
}
else
{
hm.AddHook(X11_Hook::Inst());
}
if (_this->_oglx_hooked)
{
auto h = OpenGLX_Hook::Inst();
if (h != _this->game_renderer)
{
_this->_oglx_hooked = false;
hm.RemoveHook(h);
}
}
delete _this->_hook_thread;
_this->_hook_thread = nullptr;
*/
}
Renderer_Detector::Renderer_Detector():
@ -732,6 +703,123 @@ Renderer_Detector::Renderer_Detector():
game_renderer(nullptr)
{}
static decltype(dlsym)* real_dlsym = nullptr;
// hook library static loading
extern "C" int XEventsQueued(Display *display, int mode)
{
auto h = X11_Hook::Inst();
if( h->get_XEventsQueued() == nullptr )
h->loadXEventsQueued((decltype(XEventsQueued)*)real_dlsym(RTLD_NEXT, "XEventsQueued"));
return X11_Hook::MyXEventsQueued(display, mode);
}
//extern "C" int XPeekEvent(Display *display, XEvent *event)
//{
// auto h = X11_Hook::Inst();
// if( h->get_XPeekEvent() == nullptr )
// h->loadXPeekEvent((decltype(XPeekEvent)*)real_dlsym(RTLD_NEXT, "XPeekEvent"));
//
// return X11_Hook::MyXPeekEvent(display, event);
//}
//extern "C" int XNextEvent(Display *display, XEvent *event)
//{
// auto h = X11_Hook::Inst();
// if( h->get_XNextEvent() == nullptr )
// h->loadXNextEvent((decltype(XNextEvent)*)real_dlsym(RTLD_NEXT, "XNextEvent"));
//
// return X11_Hook::MyXNextEvent(display, event);
//}
extern "C" int XPending(Display *display)
{
auto h = X11_Hook::Inst();
if( h->get_XPending() == nullptr )
h->loadXPending((decltype(XPending)*)real_dlsym(RTLD_NEXT, "XPending"));
return X11_Hook::MyXPending(display);
}
extern "C" void glXSwapBuffers(Display *display, GLXDrawable drawable)
{
OpenGLX_Hook::Inst()->start_hook();
OpenGLX_Hook::MyglXSwapBuffers(display, drawable);
}
extern "C" __GLXextFuncPtr glXGetProcAddress(const GLubyte * procName)
{
if( strcmp((const char*)procName, "glXSwapBuffers") == 0 )
{
decltype(glXSwapBuffers)* real_glXSwapBuffers = (decltype(real_glXSwapBuffers))real_glXGetProcAddress(procName);
OpenGLX_Hook::Inst()->loadFunctions(real_glXSwapBuffers);
return (__GLXextFuncPtr)glXSwapBuffers;
}
__GLXextFuncPtr func = (__GLXextFuncPtr)real_glXGetProcAddress(procName);
return func;
}
extern "C" __GLXextFuncPtr glXGetProcAddressARB (const GLubyte* procName)
{
if( strcmp((const char*)procName, "glXSwapBuffers") == 0 )
{
decltype(glXSwapBuffers)* real_glXSwapBuffers = (decltype(real_glXSwapBuffers))real_glXGetProcAddressARB(procName);
OpenGLX_Hook::Inst()->loadFunctions(real_glXSwapBuffers);
return (__GLXextFuncPtr)glXSwapBuffers;
}
__GLXextFuncPtr func = (__GLXextFuncPtr)real_glXGetProcAddressARB(procName);
return func;
}
extern "C" void* dlsym(void* handle, const char* name)
{
if (real_dlsym == nullptr)
real_dlsym = (decltype(dlsym)*)_dl_sym(RTLD_NEXT, "dlsym", reinterpret_cast<void*>(dlsym));
if ( strcmp(name,"dlsym") == 0 )
return (void*)dlsym;
if( strcmp(name, "glXGetProcAddress") == 0 )
{
if( real_glXGetProcAddress == nullptr )
{
real_glXGetProcAddress = (decltype(glXGetProcAddress)*)real_dlsym(RTLD_NEXT, "glXGetProcAddress");
}
return (void*)glXGetProcAddress;
}
if( strcmp(name, "glXGetProcAddressARB") == 0 )
{
if( real_glXGetProcAddressARB == nullptr )
{
real_glXGetProcAddressARB = (decltype(glXGetProcAddressARB)*)real_dlsym(RTLD_NEXT, "glXGetProcAddressARB");
}
return (void*)glXGetProcAddressARB;
}
if( strcmp(name, "XEventsQueued") == 0 )
{
return (void*)XEventsQueued;
}
//if( strcmp(name, "XNextEvent") == 0 )
//{
// return (void*)XNextEvent;
//}
//if( strcmp(name, "XPeekEvent") == 0 )
//{
// return (void*)XPeekEvent;
//}
if( strcmp(name, "XPending") == 0 )
{
return (void*)XPending;
}
return real_dlsym(handle,name);
}
#endif
void Renderer_Detector::renderer_found(Base_Hook* hook)