refactor(RHI): 将窗口管理接口从 RHIDevice 移至 RHISwapChain

- 从 RHIDevice 抽象基类中移除 PollEvents/SwapBuffers/ShouldClose/SetShouldClose 接口
- 这些功能现在应该通过 RHISwapChain 访问
- 符合设计文档中定义的分层架构

engine/include/XCEngine/RHI/D3D12/D3D12Device.h

@@ -82,11 +82,6 @@ public:
     void* GetNativeDevice() override;
     void* GetNativeHandle() const;
 
-    bool PollEvents() override;
-    void SwapBuffers() override;
-    bool ShouldClose() const override;
-    void SetShouldClose(bool shouldClose) override;
-
     D3D12CommandQueue* CreateCommandQueueImpl(const CommandQueueDesc& desc);
     D3D12CommandList* CreateCommandListImpl(const CommandListDesc& desc);
     D3D12CommandAllocator* CreateCommandAllocator(const CommandAllocatorDesc& desc);

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

@@ -23,10 +23,10 @@ public:
     GLFWwindow* GetWindow() const { return m_window; }
     const RHIDeviceInfo& GetDeviceInfoImpl() const { return m_deviceInfo; }
 
-    void SwapBuffers() override;
-    bool PollEvents() override;
-    void SetShouldClose(bool shouldClose) override;
-    bool ShouldClose() const override;
+    void SwapBuffers();
+    bool PollEvents();
+    void SetShouldClose(bool shouldClose);
+    bool ShouldClose() const;
 
     RHIBuffer* CreateBuffer(const BufferDesc& desc) override;
     RHITexture* CreateTexture(const TextureDesc& desc) override;

engine/include/XCEngine/RHI/RHIDevice.h

@@ -38,11 +38,6 @@ public:
     virtual const RHIDeviceInfo& GetDeviceInfo() const = 0;
 
     virtual void* GetNativeDevice() = 0;
-
-    virtual bool PollEvents() = 0;
-    virtual void SwapBuffers() = 0;
-    virtual bool ShouldClose() const = 0;
-    virtual void SetShouldClose(bool shouldClose) = 0;
 };
 
 } // namespace RHI

engine/src/RHI/D3D12/D3D12Device.cpp

@@ -293,20 +293,6 @@ RHIPipelineState* D3D12Device::CreatePipelineState(const PipelineStateDesc& desc
     return nullptr;
 }
 
-bool D3D12Device::PollEvents() {
-    return false;
-}
-
-void D3D12Device::SwapBuffers() {
-}
-
-bool D3D12Device::ShouldClose() const {
-    return false;
-}
-
-void D3D12Device::SetShouldClose(bool shouldClose) {
-}
-
 D3D12CommandQueue* D3D12Device::CreateCommandQueueImpl(const CommandQueueDesc& desc) {
     return nullptr;
 }