refactor(RHI): 将窗口职责从RHI移到Platform层

- RHIDeviceDesc 删除 windowHandle/width/height/appName
- SwapChainDesc 添加 windowHandle 字段
- RHISwapChain 删除 PollEvents/ShouldClose/SetFullscreen 等窗口相关接口
- OpenGLDevice 删除 CreateRenderWindow，改用 InitializeWithExistingWindow
- 更新所有集成测试使用新API
- 273个单元测试 + 8个集成测试全部通过

engine/src/RHI/OpenGL/OpenGLDevice.cpp

@@ -20,9 +20,6 @@
 #include "XCEngine/RHI/OpenGL/OpenGLResourceView.h"
 #include "XCEngine/Debug/Logger.h"
 
-static bool s_windowClassRegistered = false;
-static const wchar_t kWindowClassName[] = L"XCEngine_OpenGL_WindowClass";
-
 typedef const char* (WINAPI* PFNWGLGETEXTENSIONSSTRINGARBPROC)(HDC hdc);
 typedef BOOL (WINAPI* PFNWGLCHOOSEPIXELFORMATARBPROC)(HDC hdc, const int* piAttribIList, const FLOAT* pfAttribFList, UINT nMaxFormats, int* piFormats, UINT* nNumFormats);
 typedef HGLRC (WINAPI* PFNWGLCREATECONTEXTATTRIBSARBPROC)(HDC hdc, HGLRC hShareContext, const int* attribList);
@@ -45,9 +42,7 @@ OpenGLDevice::OpenGLDevice()
     : m_hwnd(nullptr)
     , m_hdc(nullptr)
     , m_hglrc(nullptr)
-    , m_initialized(false)
-    , m_ownsWindow(false)
-    , m_shouldClose(false) {
+    , m_initialized(false) {
     m_textureUnitAllocator = std::make_unique<OpenGLTextureUnitAllocator>();
     m_uniformBufferManager = std::make_unique<OpenGLUniformBufferManager>();
 }
@@ -61,16 +56,7 @@ bool OpenGLDevice::Initialize(const RHIDeviceDesc& desc) {
         return true;
     }
 
-    if (desc.windowHandle) {
-        return InitializeWithExistingWindow(static_cast<HWND>(desc.windowHandle));
-    }
-
-    std::string titleStr = "XCEngine";
-    if (!desc.appName.empty()) {
-        titleStr = std::string(desc.appName.begin(), desc.appName.end());
-    }
-    
-    return CreateRenderWindow(desc.width, desc.height, titleStr.c_str(), desc.enableDebugLayer);
+    return false;
 }
 
 bool OpenGLDevice::InitializeWithExistingWindow(HWND hwnd) {
@@ -248,52 +234,6 @@ bool OpenGLDevice::InitializeWithExistingWindow(HWND hwnd) {
     return true;
 }
 
-bool OpenGLDevice::CreateRenderWindow(int width, int height, const char* title, bool enableDebug) {
-    if (m_initialized) {
-        return true;
-    }
-
-    if (!s_windowClassRegistered) {
-        WNDCLASSEXW wc = {};
-        wc.cbSize = sizeof(WNDCLASSEXW);
-        wc.style = CS_HREDRAW | CS_VREDRAW;
-        wc.lpfnWndProc = DefWindowProcW;
-        wc.hInstance = GetModuleHandleW(nullptr);
-        wc.lpszClassName = kWindowClassName;
-        if (!RegisterClassExW(&wc)) {
-            return false;
-        }
-        s_windowClassRegistered = true;
-    }
-
-    std::wstring titleW(title ? std::wstring(title, title + strlen(title)) : L"XCEngine");
-    
-    HWND hwnd = CreateWindowExW(
-        0,
-        kWindowClassName,
-        titleW.c_str(),
-        WS_OVERLAPPEDWINDOW,
-        CW_USEDEFAULT, CW_USEDEFAULT,
-        width, height,
-        nullptr,
-        nullptr,
-        GetModuleHandleW(nullptr),
-        nullptr
-    );
-
-    if (!hwnd) {
-        return false;
-    }
-
-    m_hwnd = hwnd;
-    m_ownsWindow = true;
-
-    ShowWindow(m_hwnd, SW_SHOWNORMAL);
-    UpdateWindow(m_hwnd);
-
-    return InitializeWithExistingWindow(m_hwnd);
-}
-
 void OpenGLDevice::Shutdown() {
     if (m_hglrc) {
         wglMakeCurrent(nullptr, nullptr);
@@ -304,10 +244,6 @@ void OpenGLDevice::Shutdown() {
     if (m_hdc && m_hwnd) {
         ReleaseDC(m_hwnd, m_hdc);
         m_hdc = nullptr;
-    }
-
-    if (m_ownsWindow && m_hwnd) {
-        DestroyWindow(m_hwnd);
         m_hwnd = nullptr;
     }
 
@@ -319,8 +255,6 @@ void OpenGLDevice::Shutdown() {
     }
 
     m_initialized = false;
-    m_ownsWindow = false;
-    m_shouldClose = false;
 }
 
 void OpenGLDevice::SwapBuffers() {
@@ -329,30 +263,6 @@ void OpenGLDevice::SwapBuffers() {
     }
 }
 
-bool OpenGLDevice::PollEvents() {
-    MSG msg;
-    while (PeekMessageW(&msg, nullptr, 0, 0, PM_REMOVE)) {
-        if (msg.message == WM_QUIT) {
-            m_shouldClose = true;
-            return false;
-        }
-        TranslateMessage(&msg);
-        DispatchMessageW(&msg);
-    }
-    return !m_shouldClose;
-}
-
-void OpenGLDevice::SetShouldClose(bool shouldClose) {
-    m_shouldClose = shouldClose;
-    if (m_hwnd && shouldClose) {
-        PostMessageW(m_hwnd, WM_CLOSE, 0, 0);
-    }
-}
-
-bool OpenGLDevice::ShouldClose() const {
-    return m_shouldClose;
-}
-
 RHIBuffer* OpenGLDevice::CreateBuffer(const BufferDesc& desc) {
     auto* buffer = new OpenGLBuffer();
     OpenGLBufferType bufferType = OpenGLBufferType::Vertex;
@@ -416,8 +326,9 @@ RHITexture* OpenGLDevice::CreateTexture(const TextureDesc& desc) {
 
 RHISwapChain* OpenGLDevice::CreateSwapChain(const SwapChainDesc& desc) {
     auto* swapChain = new OpenGLSwapChain();
-    if (m_hwnd) {
-        swapChain->Initialize(this, m_hwnd, desc.width, desc.height);
+    HWND hwnd = static_cast<HWND>(desc.windowHandle);
+    if (hwnd) {
+        swapChain->Initialize(this, hwnd, desc.width, desc.height);
     }
     return swapChain;
 }