Now passing to hooks device object.

Added Base_Hook::get_lib_name to track what renderer is hooked for overlay.
Objects used to detect renderer type are now also used to hook the rendering functions. So we don't have to build another device.
Updated VTables for DX12.

overlay_experimental/Base_Hook.cpp

@@ -45,6 +45,11 @@ void Base_Hook::UnhookAll()
     }
 }
 
+const char* Base_Hook::get_lib_name() const
+{
+    return "<no_name>";
+}
+
 void Base_Hook::HookFunc(std::pair<void**, void*> hook)
 {
     if( DetourAttach(hook.first, hook.second) == 0 )

overlay_experimental/Base_Hook.h

@@ -29,6 +29,7 @@ public:
     void EndHook();
     void UnhookAll();
 
+    virtual const char* get_lib_name() const;
     void HookFunc(std::pair<void**, void*> hook);
 
     template<typename T>

overlay_experimental/DX10_Hook.cpp

@@ -18,56 +18,21 @@ bool DX10_Hook::start_hook()
         if (!Windows_Hook::Inst().start_hook())
             return false;
 
-        HWND hWnd = GetGameWindow();
+        PRINT_DEBUG("Hooked DirectX 10\n");
-        if (!hWnd)
+        _hooked = true;
-            return false;
 
-        IDXGISwapChain* pSwapChain;
+        Hook_Manager::Inst().FoundRenderer(this);
-        ID3D10Device* pDevice;
-        DXGI_SWAP_CHAIN_DESC SwapChainDesc = {};
-        decltype(D3D10CreateDeviceAndSwapChain)* D3D10CreateDeviceAndSwapChain =
-            (decltype(D3D10CreateDeviceAndSwapChain))GetProcAddress(reinterpret_cast<HMODULE>(_library), "D3D10CreateDeviceAndSwapChain");
-        SwapChainDesc.BufferCount = 1;
-        SwapChainDesc.BufferDesc.Width = 1;
-        SwapChainDesc.BufferDesc.Height = 1;
-        SwapChainDesc.BufferDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
-        SwapChainDesc.BufferDesc.RefreshRate.Numerator = 0;
-        SwapChainDesc.BufferDesc.RefreshRate.Denominator = 0;
-        SwapChainDesc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
-        SwapChainDesc.OutputWindow = hWnd;
-        SwapChainDesc.SampleDesc.Count = 1;
-        SwapChainDesc.SampleDesc.Quality = 0;
-        SwapChainDesc.Windowed = TRUE;
 
-        D3D10CreateDeviceAndSwapChain(NULL, D3D10_DRIVER_TYPE_NULL, NULL, 0, D3D10_SDK_VERSION, &SwapChainDesc, &pSwapChain, &pDevice);
+        UnhookAll();
+        BeginHook();
+        HookFuncs(
+            std::make_pair<void**, void*>(&(PVOID&)DX10_Hook::Present, &DX10_Hook::MyPresent),
+            std::make_pair<void**, void*>(&(PVOID&)DX10_Hook::ResizeTarget, &DX10_Hook::MyResizeTarget),
+            std::make_pair<void**, void*>(&(PVOID&)DX10_Hook::ResizeBuffers, &DX10_Hook::MyResizeBuffers)
+        );
+        EndHook();
 
-        if (pDevice != nullptr && pSwapChain != nullptr)
+        get_steam_client()->steam_overlay->HookReady();
-        {
-            PRINT_DEBUG("Hooked DirectX 10\n");
-
-            _hooked = true;
-            Hook_Manager::Inst().FoundRenderer(this);
-            
-            loadFunctions(pDevice, pSwapChain);
-
-            UnhookAll();
-            BeginHook();
-            HookFuncs(
-                std::make_pair<void**, void*>(&(PVOID&)DX10_Hook::Present, &DX10_Hook::MyPresent),
-                std::make_pair<void**, void*>(&(PVOID&)DX10_Hook::ResizeTarget, &DX10_Hook::MyResizeTarget),
-                std::make_pair<void**, void*>(&(PVOID&)DX10_Hook::ResizeBuffers, &DX10_Hook::MyResizeBuffers)
-            );
-            EndHook();
-
-            get_steam_client()->steam_overlay->HookReady();
-        }
-        else
-        {
-            PRINT_DEBUG("Failed to hook DirectX 10\n");
-            res = false;
-        }
-        if(pDevice)pDevice->Release();
-        if(pSwapChain)pSwapChain->Release();
     }
     return res;
 }
@@ -220,6 +185,11 @@ DX10_Hook* DX10_Hook::Inst()
     return _inst;
 }
 
+const char* DX10_Hook::get_lib_name() const
+{
+    return DLL_NAME;
+}
+
 void DX10_Hook::loadFunctions(ID3D10Device *pDevice, IDXGISwapChain *pSwapChain)
 {
     void** vTable = *reinterpret_cast<void***>(pDevice);

overlay_experimental/DX10_Hook.h

@@ -46,6 +46,7 @@ private:
 public:
     bool start_hook();
     static DX10_Hook* Inst();
+    virtual const char* get_lib_name() const;
     
     void loadFunctions(ID3D10Device *pDevice, IDXGISwapChain *pSwapChain);
 };

overlay_experimental/DX11_Hook.cpp

@@ -28,57 +28,21 @@ bool DX11_Hook::start_hook()
         if (!Windows_Hook::Inst().start_hook())
             return false;
 
-        HWND hWnd = GetGameWindow();
+        PRINT_DEBUG("Hooked DirectX 11\n");
-        if (!hWnd)
+        _hooked = true;
-            return false;
 
-        IDXGISwapChain* pSwapChain;
+        Hook_Manager::Inst().FoundRenderer(this);
-        ID3D11Device* pDevice;
-        DXGI_SWAP_CHAIN_DESC SwapChainDesc = {};
-        decltype(D3D11CreateDeviceAndSwapChain)* D3D11CreateDeviceAndSwapChain =
-            (decltype(D3D11CreateDeviceAndSwapChain))GetProcAddress(reinterpret_cast<HMODULE>(_library), "D3D11CreateDeviceAndSwapChain");
-        SwapChainDesc.BufferCount = 1;
-        SwapChainDesc.BufferDesc.Width = 1;
-        SwapChainDesc.BufferDesc.Height = 1;
-        SwapChainDesc.BufferDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
-        SwapChainDesc.BufferDesc.RefreshRate.Numerator = 0;
-        SwapChainDesc.BufferDesc.RefreshRate.Denominator = 0;
-        SwapChainDesc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
-        SwapChainDesc.OutputWindow = hWnd;
-        SwapChainDesc.SampleDesc.Count = 1;
-        SwapChainDesc.SampleDesc.Quality = 0;
-        SwapChainDesc.Windowed = TRUE;
 
-        D3D11CreateDeviceAndSwapChain(NULL, D3D_DRIVER_TYPE_NULL, NULL, 0, NULL, NULL, D3D11_SDK_VERSION, &SwapChainDesc, &pSwapChain, &pDevice, NULL, NULL);
+        UnhookAll();
+        BeginHook();
+        HookFuncs(
+            std::make_pair<void**, void*>(&(PVOID&)DX11_Hook::Present, &DX11_Hook::MyPresent),
+            std::make_pair<void**, void*>(&(PVOID&)DX11_Hook::ResizeTarget, &DX11_Hook::MyResizeTarget),
+            std::make_pair<void**, void*>(&(PVOID&)DX11_Hook::ResizeBuffers, &DX11_Hook::MyResizeBuffers)
+        );
+        EndHook();
 
-        if (pDevice != nullptr && pSwapChain != nullptr)
+        get_steam_client()->steam_overlay->HookReady();
-        {
-            PRINT_DEBUG("Hooked DirectX 11\n");
-
-            _hooked = true;
-            Hook_Manager::Inst().FoundRenderer(this);
-
-            loadFunctions(pDevice, pSwapChain);
-
-            UnhookAll();
-            BeginHook();
-            HookFuncs(
-                std::make_pair<void**, void*>(&(PVOID&)DX11_Hook::Present, &DX11_Hook::MyPresent),
-                std::make_pair<void**, void*>(&(PVOID&)DX11_Hook::ResizeTarget, &DX11_Hook::MyResizeTarget),
-                std::make_pair<void**, void*>(&(PVOID&)DX11_Hook::ResizeBuffers, &DX11_Hook::MyResizeBuffers)
-            );
-            EndHook();
-
-            get_steam_client()->steam_overlay->HookReady();
-        }
-        else
-        {
-            PRINT_DEBUG("Failed to hook DirectX 11\n");
-            res = false;
-        }
-
-        if(pDevice) pDevice->Release();
-        if(pSwapChain) pSwapChain->Release();
     }
     return res;
 }
@@ -239,6 +203,11 @@ DX11_Hook* DX11_Hook::Inst()
     return _inst;
 }
 
+const char* DX11_Hook::get_lib_name() const
+{
+    return DLL_NAME;
+}
+
 void DX11_Hook::loadFunctions(ID3D11Device *pDevice, IDXGISwapChain *pSwapChain)
 {
     void** vTable = *reinterpret_cast<void***>(pDevice);

overlay_experimental/DX11_Hook.h

@@ -46,6 +46,7 @@ private:
 public:
     bool start_hook();
     static DX11_Hook* Inst();
+    virtual const char* get_lib_name() const;
     
     void loadFunctions(ID3D11Device *pDevice, IDXGISwapChain *pSwapChain);
 };

overlay_experimental/DX9_Hook.cpp

@@ -14,60 +14,34 @@ DX9_Hook* DX9_Hook::_inst = nullptr;
 
 bool DX9_Hook::start_hook()
 {
-    bool res = true;
     if (!_hooked)
     {
         if (!Windows_Hook::Inst().start_hook())
             return false;
 
-        HWND hWnd = GetGameWindow();
+        PRINT_DEBUG("Hooked DirectX 9\n");
-        if (!hWnd)
+        _hooked = true;
-            return false;
 
-        IDirect3D9Ex* pD3D;
+        Hook_Manager::Inst().FoundRenderer(this);
-        IDirect3DDevice9Ex* pDeviceEx;
+        
-        decltype(Direct3DCreate9Ex)* Direct3DCreate9Ex = (decltype(Direct3DCreate9Ex))GetProcAddress(reinterpret_cast<HMODULE>(_library), "Direct3DCreate9Ex");
+        UnhookAll();
-
+        BeginHook();
-        Direct3DCreate9Ex(D3D_SDK_VERSION, &pD3D);
+        HookFuncs(
-
+            std::make_pair<void**, void*>(&(PVOID&)Reset, &DX9_Hook::MyReset),
-        D3DPRESENT_PARAMETERS params = {};
+            std::make_pair<void**, void*>(&(PVOID&)Present, &DX9_Hook::MyPresent)
-        params.BackBufferWidth = 1;
+        );
-        params.BackBufferHeight = 1;
+        if (PresentEx != nullptr)
-        params.hDeviceWindow = hWnd;
-
-        pD3D->CreateDeviceEx(D3DADAPTER_DEFAULT, D3DDEVTYPE_NULLREF, NULL, D3DCREATE_HARDWARE_VERTEXPROCESSING, &params, NULL, &pDeviceEx);
-
-        if (pDeviceEx != nullptr)
         {
-            PRINT_DEBUG("Hooked DirectX 9\n");
-
-            _hooked = true;
-            Hook_Manager::Inst().FoundRenderer(this);
-            
-            loadFunctions(pDeviceEx);
-
-            UnhookAll();
-            BeginHook();
             HookFuncs(
-                std::make_pair<void**, void*>(&(PVOID&)Reset, &DX9_Hook::MyReset),
-                std::make_pair<void**, void*>(&(PVOID&)Present, &DX9_Hook::MyPresent),
                 std::make_pair<void**, void*>(&(PVOID&)PresentEx, &DX9_Hook::MyPresentEx)
                 //std::make_pair<void**, void*>(&(PVOID&)EndScene, &DX9_Hook::MyEndScene)
             );
-            EndHook();
-
-            get_steam_client()->steam_overlay->HookReady();
-        }
-        else
-        {
-            PRINT_DEBUG("Failed to DirectX 9\n");
-            res = false;
         }
+        EndHook();
 
-        if(pDeviceEx)pDeviceEx->Release();
+        get_steam_client()->steam_overlay->HookReady();
-        if(pD3D)pD3D->Release();
     }
-    return res;
+    return true;
 }
 
 void DX9_Hook::resetRenderState()
@@ -220,15 +194,21 @@ DX9_Hook* DX9_Hook::Inst()
     return _inst;
 }
 
-void DX9_Hook::loadFunctions(IDirect3DDevice9Ex* pDeviceEx)
+const char* DX9_Hook::get_lib_name() const
 {
-    void** vTable = *reinterpret_cast<void***>(pDeviceEx);
+    return DLL_NAME;
+}
+
+void DX9_Hook::loadFunctions(IDirect3DDevice9* pDevice, bool ex)
+{
+    void** vTable = *reinterpret_cast<void***>(pDevice);
 
 #define LOAD_FUNC(X) (void*&)X = vTable[(int)IDirect3DDevice9VTable::X]
     LOAD_FUNC(Reset);
     LOAD_FUNC(EndScene);
     LOAD_FUNC(Present);
-    LOAD_FUNC(PresentEx);
+    if (ex)
+        LOAD_FUNC(PresentEx);
 #undef LOAD_FUNC
 }
 

overlay_experimental/DX9_Hook.h

@@ -47,8 +47,9 @@ private:
 public:
     bool start_hook();
     static DX9_Hook* Inst();
+    virtual const char* get_lib_name() const;
     
-    void loadFunctions(IDirect3DDevice9Ex *pDeviceEx);
+    void loadFunctions(IDirect3DDevice9 *pDevice, bool ex);
 };
 
 #endif//NO_OVERLAY

overlay_experimental/DirectX_VTables.h

@@ -44,6 +44,111 @@ enum class IDXGISwapChainVTable
     GetRotation,
 };
 
+enum class ID3D12CommandQueueVTable
+{
+    // IUnknown
+    QueryInterface,
+    AddRef,
+    Release,
+
+    // ID3D12Object
+    GetPrivateData,
+    SetPrivateData,
+    SetPrivateDataInterface,
+    SetName,
+
+    // ID3D12DeviceChild
+    GetDevice,
+
+    // ID3D12Pageable
+
+    // ID3D12CommandQueue
+    UpdateTileMappings,
+    CopyTileMappings,
+    ExecuteCommandLists,
+    SetMarker,
+    BeginEvent,
+    EndEvent,
+    Signal,
+    Wait,
+    GetTimestampFrequency,
+    GetClockCalibration,
+    GetDesc,
+};
+
+enum class ID3D12GraphicsCommandListVTable
+{
+    // IUnknown
+    QueryInterface,
+    AddRef,
+    Release,
+
+    // ID3D12Object
+    GetPrivateData,
+    SetPrivateData,
+    SetPrivateDataInterface,
+    SetName,
+
+    // ID3D12DeviceChild
+    GetDevice,
+
+    // ID3D12CommandList
+    GetType,
+
+    // ID3D12GraphicsCommandList
+    Close,
+    Reset,
+    ClearState,
+    DrawInstanced,
+    DrawIndexedInstanced,
+    Dispatch,
+    CopyBufferRegion,
+    CopyTextureRegion,
+    CopyResource,
+    CopyTiles,
+    ResolveSubresource,
+    IASetPrimitiveTopology,
+    RSSetViewports,
+    RSSetScissorRects,
+    OMSetBlendFactor,
+    OMSetStencilRef,
+    SetPipelineState,
+    ResourceBarrier,
+    ExecuteBundle,
+    SetDescriptorHeaps,
+    SetComputeRootSignature,
+    SetGraphicsRootSignature,
+    SetComputeRootDescriptorTable,
+    SetGraphicsRootDescriptorTable,
+    SetComputeRoot32BitConstant,
+    SetGraphicsRoot32BitConstant,
+    SetComputeRoot32BitConstants,
+    SetGraphicsRoot32BitConstants,
+    SetComputeRootConstantBufferView,
+    SetGraphicsRootConstantBufferView,
+    SetComputeRootShaderResourceView,
+    SetGraphicsRootShaderResourceView,
+    SetComputeRootUnorderedAccessView,
+    SetGraphicsRootUnorderedAccessView,
+    IASetIndexBuffer,
+    IASetVertexBuffers,
+    SOSetTargets,
+    OMSetRenderTargets,
+    ClearDepthStencilView,
+    ClearRenderTargetView,
+    ClearUnorderedAccessViewUint,
+    ClearUnorderedAccessViewFloat,
+    DiscardResource,
+    BeginQuery,
+    EndQuery,
+    ResolveQueryData,
+    SetPredication,
+    SetMarker,
+    BeginEvent,
+    EndEvent,
+    ExecuteIndirect,
+};
+
 enum class ID3D11DeviceVTable
 {
     // IUnknown

overlay_experimental/Hook_Manager.cpp

@@ -20,10 +20,10 @@
 constexpr int max_hook_retries = 500;
 
 #ifdef STEAM_WIN32
-static decltype(&IDXGISwapChain::Present) _IDXGISwapChain_Present;
+static decltype(&IDXGISwapChain::Present) _IDXGISwapChain_Present = nullptr;
-static decltype(&IDirect3DDevice9::Present) _IDirect3DDevice9_Present;
+static decltype(&IDirect3DDevice9::Present) _IDirect3DDevice9_Present = nullptr;
-static decltype(&IDirect3DDevice9Ex::PresentEx) _IDirect3DDevice9Ex_PresentEx;
+static decltype(&IDirect3DDevice9Ex::PresentEx) _IDirect3DDevice9Ex_PresentEx = nullptr;
-static decltype(wglMakeCurrent)* _wglMakeCurrent;
+static decltype(wglMakeCurrent)* _wglMakeCurrent = nullptr;
 
 HRESULT STDMETHODCALLTYPE Hook_Manager::MyIDXGISwapChain_Present(IDXGISwapChain* _this, UINT SyncInterval, UINT Flags)
 {
@@ -100,11 +100,13 @@ BOOL WINAPI Hook_Manager::MywglMakeCurrent(HDC hDC, HGLRC hGLRC)
     return _wglMakeCurrent(hDC, hGLRC);
 }
 
-void Hook_Manager::HookDXGIPresent()
+void Hook_Manager::HookDXGIPresent(IDXGISwapChain *pSwapChain)
 {
     if (!_dxgi_hooked)
     {
         _dxgi_hooked = true;
+        (void*&)_IDXGISwapChain_Present = (*reinterpret_cast<void***>(pSwapChain))[(int)IDXGISwapChainVTable::Present];
+
         rendererdetect_hook->BeginHook();
 
         rendererdetect_hook->HookFuncs(
@@ -115,17 +117,26 @@ void Hook_Manager::HookDXGIPresent()
     }
 }
 
-void Hook_Manager::HookDX9Present()
+void Hook_Manager::HookDX9Present(IDirect3DDevice9* pDevice, bool ex)
 {
     if (!_dx9_hooked)
     {
         _dx9_hooked = true;
+        (void*&)_IDirect3DDevice9_Present = (*reinterpret_cast<void***>(pDevice))[(int)IDirect3DDevice9VTable::Present];
+        if (ex)
+            (void*&)_IDirect3DDevice9Ex_PresentEx = (*reinterpret_cast<void***>(pDevice))[(int)IDirect3DDevice9VTable::PresentEx];
+
         rendererdetect_hook->BeginHook();
 
         rendererdetect_hook->HookFuncs(
-            std::pair<void**, void*>((PVOID*)& _IDirect3DDevice9_Present, &Hook_Manager::MyPresent),
+            std::pair<void**, void*>((PVOID*)& _IDirect3DDevice9_Present, &Hook_Manager::MyPresent)
-            std::pair<void**, void*>((PVOID*)& _IDirect3DDevice9Ex_PresentEx, &Hook_Manager::MyPresentEx)
         );
+        if (ex)
+        {
+            rendererdetect_hook->HookFuncs(
+                std::pair<void**, void*>((PVOID*)& _IDirect3DDevice9Ex_PresentEx, &Hook_Manager::MyPresentEx)
+            );
+        }
 
         rendererdetect_hook->EndHook();
     }
@@ -154,33 +165,48 @@ void Hook_Manager::hook_dx9()
         if (!hWnd)
             return;
 
-        IDirect3D9Ex* pD3D;
+        IDirect3D9Ex* pD3D = nullptr;
-        IDirect3DDevice9Ex* pDeviceEx;
+        IUnknown* pDevice = nullptr;
-        decltype(Direct3DCreate9Ex)* Direct3DCreate9Ex = (decltype(Direct3DCreate9Ex))GetProcAddress(GetModuleHandle(DX9_Hook::DLL_NAME), "Direct3DCreate9Ex");
-
-        Direct3DCreate9Ex(D3D_SDK_VERSION, &pD3D);
 
         D3DPRESENT_PARAMETERS params = {};
         params.BackBufferWidth = 1;
         params.BackBufferHeight = 1;
         params.hDeviceWindow = hWnd;
+        params.BackBufferCount = 1;
+        params.Windowed = TRUE;
+        params.SwapEffect = D3DSWAPEFFECT_DISCARD;
 
-        pD3D->CreateDeviceEx(D3DADAPTER_DEFAULT, D3DDEVTYPE_NULLREF, NULL, D3DCREATE_HARDWARE_VERTEXPROCESSING, &params, NULL, &pDeviceEx);
+        decltype(Direct3DCreate9Ex)* Direct3DCreate9Ex = (decltype(Direct3DCreate9Ex))GetProcAddress(GetModuleHandle(DX9_Hook::DLL_NAME), "Direct3DCreate9Ex");
-
+        if (Direct3DCreate9Ex != nullptr)
-        if (pDeviceEx)
+        {
+            Direct3DCreate9Ex(D3D_SDK_VERSION, &pD3D);
+            pD3D->CreateDeviceEx(D3DADAPTER_DEFAULT, D3DDEVTYPE_NULLREF, NULL, D3DCREATE_HARDWARE_VERTEXPROCESSING, &params, NULL, reinterpret_cast<IDirect3DDevice9Ex**>(&pDevice));
+        }
+        else
+        {
+            decltype(Direct3DCreate9)* Direct3DCreate9 = (decltype(Direct3DCreate9))GetProcAddress(GetModuleHandle(DX9_Hook::DLL_NAME), "Direct3DCreate9");
+            if (Direct3DCreate9)
+            {
+                pD3D = reinterpret_cast<IDirect3D9Ex*>(Direct3DCreate9(D3D_SDK_VERSION));
+                pD3D->CreateDevice(D3DADAPTER_DEFAULT, D3DDEVTYPE_NULLREF, NULL, D3DCREATE_HARDWARE_VERTEXPROCESSING, &params, reinterpret_cast<IDirect3DDevice9 * *>(&pDevice));
+            }
+        }
+        
+        if (pDevice != nullptr)
         {
             PRINT_DEBUG("Hooked D3D9::Present to detect DX Version\n");
-            (void*&)_IDirect3DDevice9_Present = (*reinterpret_cast<void***>(pDeviceEx))[(int)IDirect3DDevice9VTable::Present];
+            auto h = DX9_Hook::Inst();
-            (void*&)_IDirect3DDevice9Ex_PresentEx = (*reinterpret_cast<void***>(pDeviceEx))[(int)IDirect3DDevice9VTable::PresentEx];
+            h->loadFunctions(reinterpret_cast<IDirect3DDevice9*>(pDevice), Direct3DCreate9Ex != nullptr);
-            HookDX9Present();
+            _hooks.insert(h);
+            HookDX9Present(reinterpret_cast<IDirect3DDevice9*>(pDevice), Direct3DCreate9Ex != nullptr);
         }
         else
         {
             PRINT_DEBUG("Failed to hook D3D9::Present to detect DX Version\n");
         }
 
-        if (pDeviceEx)pDeviceEx->Release();
+        if (pDevice) pDevice->Release();
-        if (pD3D)pD3D->Release();
+        if (pD3D) pD3D->Release();
     }
 }
 
@@ -214,8 +240,10 @@ void Hook_Manager::hook_dx10()
         if (pDevice != nullptr && pSwapChain != nullptr)
         {
             PRINT_DEBUG("Hooked IDXGISwapChain::Present to detect DX Version\n");
-            (void*&)_IDXGISwapChain_Present = (*reinterpret_cast<void***>(pSwapChain))[(int)IDXGISwapChainVTable::Present];
+            auto h = DX10_Hook::Inst();
-            HookDXGIPresent();
+            h->loadFunctions(pDevice, pSwapChain);
+            _hooks.insert(h);
+            HookDXGIPresent(pSwapChain);
         }
         else
         {
@@ -256,8 +284,10 @@ void Hook_Manager::hook_dx11()
         if (pDevice != nullptr && pSwapChain != nullptr)
         {
             PRINT_DEBUG("Hooked IDXGISwapChain::Present to detect DX Version\n");
-            (void*&)_IDXGISwapChain_Present = (*reinterpret_cast<void***>(pSwapChain))[(int)IDXGISwapChainVTable::Present];
+            auto h = DX11_Hook::Inst();
-            HookDXGIPresent();
+            h->loadFunctions(pDevice, pSwapChain);
+            _hooks.insert(h);
+            HookDXGIPresent(pSwapChain);
         }
         else
         {
@@ -282,6 +312,7 @@ void Hook_Manager::hook_dx12()
         D3D12_COMMAND_QUEUE_DESC queueDesc = {};
         ID3D12CommandQueue* pCommandQueue = nullptr;
         ID3D12Device* pDevice = nullptr;
+
         decltype(D3D12CreateDevice)* D3D12CreateDevice =
             (decltype(D3D12CreateDevice))GetProcAddress(GetModuleHandle(DX12_Hook::DLL_NAME), "D3D12CreateDevice");
 
@@ -290,14 +321,14 @@ void Hook_Manager::hook_dx12()
         if (pDevice)
         {
             DXGI_SWAP_CHAIN_DESC1 SwapChainDesc = {};
-            SwapChainDesc.Width = 0;
+            SwapChainDesc.BufferCount = 2;
-            SwapChainDesc.Height = 0;
+            SwapChainDesc.Width = 1;
+            SwapChainDesc.Height = 1;
             SwapChainDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
             SwapChainDesc.Stereo = FALSE;
             SwapChainDesc.SampleDesc = { 1, 0 };
             SwapChainDesc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
-            SwapChainDesc.BufferCount = 3;
+            SwapChainDesc.Scaling = DXGI_SCALING_NONE;
-            SwapChainDesc.Scaling = DXGI_SCALING_STRETCH;
             SwapChainDesc.SwapEffect = DXGI_SWAP_EFFECT_FLIP_DISCARD;
             SwapChainDesc.AlphaMode = DXGI_ALPHA_MODE_UNSPECIFIED;
 
@@ -312,8 +343,11 @@ void Hook_Manager::hook_dx12()
                 if (pSwapChain != nullptr)
                 {
                     PRINT_DEBUG("Hooked IDXGISwapChain::Present to detect DX Version\n");
-                    (void*&)_IDXGISwapChain_Present = (*reinterpret_cast<void***>(pSwapChain))[(int)IDXGISwapChainVTable::Present];
+
-                    HookDXGIPresent();
+                    auto h = DX12_Hook::Inst();
+                    h->loadFunctions(pDevice, pCommandQueue, pSwapChain);
+                    _hooks.insert(h);
+                    HookDXGIPresent(pSwapChain);
                 }
                 else
                 {
@@ -472,6 +506,7 @@ void Hook_Manager::FoundRenderer(Base_Hook* hook)
     if (!_renderer_found)
     {
         _renderer_found = true;
+        game_renderer = hook;
 
         if (hook == nullptr)
             PRINT_DEBUG("We found a renderer but couldn't hook it, aborting overlay hook.\n");
@@ -480,16 +515,15 @@ void Hook_Manager::FoundRenderer(Base_Hook* hook)
 
         _hook_thread->join();
         delete _hook_thread;
+        _hook_thread = nullptr;
 
         // Remove all hooks that are unused
-        _hooks.erase(std::remove_if(_hooks.begin(), _hooks.end(), [&hook](Base_Hook* it_hook) {
+        std::set<Base_Hook*>::iterator item;
-            if (hook != it_hook)
+        while ((item = std::find_if(_hooks.begin(), _hooks.end(), [hook](Base_Hook* item) {return item != hook; })) != _hooks.end())
-            {
+        {
-                delete it_hook;
+            delete *item;
-                return true;
+            _hooks.erase(item);
-            }
+        }
-            return false;
-        }), _hooks.end());
     }
 }
 

overlay_experimental/Hook_Manager.h

@@ -5,7 +5,7 @@
 
 #ifndef NO_OVERLAY
 
-#include <vector>
+#include <set>
 #include <thread>
 
 #if defined(_WIN32) || defined(WIN32)
@@ -30,13 +30,14 @@ protected:
     // TODO: If needed, create a second vector with only the renderers hook
     // Cause actually, a call to FoundRenderer will unhook everything registered except the renderer hook
     // If you do that, you should consider moving the renderer hooks to its own class and keep this one generic ?
-    std::vector<Base_Hook*> _hooks; 
+    std::set<Base_Hook*> _hooks; 
 
     std::thread *_hook_thread;
     unsigned int _hook_retries;
     bool _renderer_found;       // Is the renderer hooked ?
     bool _ogl_hooked;           // wglMakeCurrent is hooked ? (opengl)
     Base_Hook* rendererdetect_hook;
+    Base_Hook* game_renderer;
     class Steam_Overlay* overlay;
 
     Hook_Manager();
@@ -54,9 +55,9 @@ protected:
     bool _dxgi_hooked;          // DXGI Present is hooked ? (DX10, DX11, DX12)
 
     // DXGIPresent will be used to detect if DX10, DX11 or DX12 should be used for overlay
-    void HookDXGIPresent();
+    void HookDXGIPresent(IDXGISwapChain* pSwapChain);
     // DX9 Present and PresentEx will be used to detect if DX9 should be used for overlay
-    void HookDX9Present();
+    void HookDX9Present(IDirect3DDevice9* pDevice, bool ex);
     // wglMakeCurrent will be used to detect if OpenGL3 should be used for overlay
     void HookwglMakeCurrent();
     // Setup DX9 Device and get vtable
@@ -97,7 +98,9 @@ public:
     // Set the found hook and free all other hooks
     void FoundRenderer(Base_Hook *hook);
 
-    inline void AddHook(Base_Hook* hook) { _hooks.push_back(hook); }
+    inline void AddHook(Base_Hook* hook) { _hooks.insert(hook); }
+
+    inline Base_Hook* get_renderer() const { return game_renderer; }
 };
 
 #endif//NO_OVERLAY

overlay_experimental/OpenGL_Hook.cpp

@@ -152,4 +152,9 @@ OpenGL_Hook* OpenGL_Hook::Inst()
     return _inst;
 }
 
+const char* OpenGL_Hook::get_lib_name() const
+{
+    return DLL_NAME;
+}
+
 #endif//NO_OVERLAY

overlay_experimental/OpenGL_Hook.h

@@ -38,6 +38,7 @@ private:
 public:
     bool start_hook();
     static OpenGL_Hook* Inst();
+    virtual const char* get_lib_name() const;
 };
 
 #endif//NO_OVERLAY

overlay_experimental/Windows_Hook.cpp

@@ -188,4 +188,9 @@ Windows_Hook& Windows_Hook::Inst()
 {
     static Windows_Hook _inst;
     return _inst;
+}
+
+const char* Windows_Hook::get_lib_name() const
+{
+    return DLL_NAME;
 }

overlay_experimental/Windows_Hook.h

@@ -40,6 +40,7 @@ public:
     WNDPROC GetGameWndProc() const;
 
     static Windows_Hook& Inst();
+    virtual const char* get_lib_name() const;
 };
 
 HWND GetGameWindow();

overlay_experimental/steam_overlay.cpp

@@ -30,12 +30,13 @@ void Steam_Overlay::steam_overlay_callback(void* object, Common_Message* msg)
     _this->Callback(msg);
 }
 
-Steam_Overlay::Steam_Overlay(Settings* settings, SteamCallResults* callback_results, SteamCallBacks* callbacks, RunEveryRunCB* run_every_runcb, Networking *network) :
+Steam_Overlay::Steam_Overlay(Settings* settings, SteamCallResults* callback_results, SteamCallBacks* callbacks, RunEveryRunCB* run_every_runcb, Networking* network) :
     settings(settings),
     callback_results(callback_results),
     callbacks(callbacks),
     run_every_runcb(run_every_runcb),
     network(network),
+    setup_overlay_called(false),
     show_overlay(false),
     is_ready(false),
     notif_position(ENotificationPosition::k_EPositionBottomLeft),
@@ -75,7 +76,12 @@ void Steam_Overlay::SetNotificationInset(int nHorizontalInset, int nVerticalInse
 
 void Steam_Overlay::SetupOverlay()
 {
-    Hook_Manager::Inst().HookRenderer();
+    std::lock_guard<std::recursive_mutex> lock(global_mutex);
+    if (!setup_overlay_called)
+    {
+        setup_overlay_called = true;
+        Hook_Manager::Inst().HookRenderer();
+    }
 }
 
 void Steam_Overlay::HookReady()
@@ -390,6 +396,9 @@ void Steam_Overlay::OverlayProc( int width, int height )
                 settings->get_local_name(),
                 settings->get_local_steam_id().ConvertToUint64(),
                 settings->get_local_game_id().AppID());
+            ImGui::SameLine();
+            Base_Hook *hook = Hook_Manager::Inst().get_renderer();
+            ImGui::LabelText("##label", "Renderer: %s", (hook == nullptr ? "Unknown" : hook->get_lib_name()));
 
             ImGui::Spacing();
 

overlay_experimental/steam_overlay.h

@@ -52,6 +52,7 @@ class Steam_Overlay
     // friend id, show client window (to chat and accept invite maybe)
     std::map<Friend, friend_window_state, Friend_Less> friends;
 
+    bool setup_overlay_called;
     bool is_ready;
     bool show_overlay;
     ENotificationPosition notif_position;