Fix OpenGL device initialization and file shaders

engine/include/XCEngine/RHI/OpenGL/OpenGLDevice.h

@@ -76,12 +76,18 @@ public:
 private:
     friend class OpenGLSwapChain;
 
+    bool AttachWindow(HWND hwnd);
+    bool ConfigureWindowPixelFormat(HDC hdc);
+    bool CreateContextForCurrentWindow();
+    void DestroyOwnedWindow();
+
     HDC GetPresentationDC() const { return m_hdc; }
     OpenGLTextureUnitAllocator* GetTextureUnitAllocator() { return m_textureUnitAllocator.get(); }
     OpenGLUniformBufferManager* GetUniformBufferManager() { return m_uniformBufferManager.get(); }
     void SwapBuffers();
 
     HWND m_hwnd = nullptr;
+    HWND m_ownedWindow = nullptr;
     HDC m_hdc = nullptr;
     HGLRC m_hglrc = nullptr;
     RHIDeviceInfo m_deviceInfo;