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40615d07a7
Some games doesn't initialise Steam before initalizing their Renderer (even if the doc says to) . So instead of waiting for the game to initialize it, hook to the rendering functions and deduce which implementation should be used.
54 lines
1.7 KiB
C++
54 lines
1.7 KiB
C++
#ifndef __INCLUDED_DX9_HOOK_H__
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#define __INCLUDED_DX9_HOOK_H__
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#include "Base_Hook.h"
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#ifndef NO_OVERLAY
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#include <d3d9.h>
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#include "DirectX_VTables.h"
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class DX9_Hook : public Base_Hook
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{
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public:
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static constexpr const char *DLL_NAME = "d3d9.dll";
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private:
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// Variables
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bool initialized;
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bool uses_present;
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// Functions
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DX9_Hook();
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virtual ~DX9_Hook();
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void start_hook();
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void resetRenderState();
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void prepareForOverlay(IDirect3DDevice9* pDevice);
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// Hook to render functions
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decltype(&IDirect3DDevice9::Reset) Reset;
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decltype(&IDirect3DDevice9::EndScene) EndScene;
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decltype(&IDirect3DDevice9::Present) Present;
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decltype(&IDirect3DDevice9Ex::PresentEx) PresentEx;
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static HRESULT STDMETHODCALLTYPE MyReset(IDirect3DDevice9* _this, D3DPRESENT_PARAMETERS* pPresentationParameters);
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static HRESULT STDMETHODCALLTYPE MyEndScene(IDirect3DDevice9 *_this);
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static HRESULT STDMETHODCALLTYPE MyPresent(IDirect3DDevice9* _this, CONST RECT* pSourceRect, CONST RECT* pDestRect, HWND hDestWindowOverride, CONST RGNDATA* pDirtyRegion);
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static HRESULT STDMETHODCALLTYPE MyPresentEx(IDirect3DDevice9Ex* _this, CONST RECT* pSourceRect, CONST RECT* pDestRect, HWND hDestWindowOverride, CONST RGNDATA* pDirtyRegion, DWORD dwFlags);
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// Hook functions so we know we use DX9
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//static decltype(Direct3DCreate9) MyDirect3DCreate9;
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//static decltype(Direct3DCreate9Ex) MyDirect3DCreate9Ex;
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//decltype(Direct3DCreate9)* Direct3DCreate9;
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//decltype(Direct3DCreate9Ex)* Direct3DCreate9Ex;
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public:
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static void Create(); // Initialize DX9 Hook.
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void loadFunctions(IDirect3DDevice9Ex *pDeviceEx);
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};
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#endif//NO_OVERLAY
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#endif//__INCLUDED_DX9_HOOK_H__
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