RHI: 增强RHIResourceView抽象接口，添加GetViewType/GetDimension/GetFormat虚函数

- 在RHIResourceView基类添加3个纯虚函数：GetViewType()、GetDimension()、GetFormat()
- D3D12ResourceView和OpenGLResourceView子类实现这些虚函数
- 在各InitializeAs*方法中正确存储format和dimension信息
- 消除调用者必须向下转型才能获取视图类型的需求

engine/include/XCEngine/RHI/D3D12/D3D12ResourceView.h

@@ -24,7 +24,9 @@ public:
     bool IsValid() const override;
 
     void SetViewType(ResourceViewType type) { m_viewType = type; }
-    ResourceViewType GetViewType() const { return m_viewType; }
+    ResourceViewType GetViewType() const override { return m_viewType; }
+    ResourceViewDimension GetDimension() const override { return m_dimension; }
+    Format GetFormat() const override { return m_format; }
 
     void InitializeAsRenderTarget(ID3D12Device* device, ID3D12Resource* resource,
                                  const D3D12_RENDER_TARGET_VIEW_DESC* desc,
@@ -55,6 +57,8 @@ public:
 
 private:
     ResourceViewType m_viewType;
+    Format m_format;
+    ResourceViewDimension m_dimension;
     D3D12_CPU_DESCRIPTOR_HANDLE m_handle;
     ID3D12Resource* m_resource;
     D3D12DescriptorHeap* m_heap;

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

@@ -46,7 +46,9 @@ public:
         const ResourceViewDesc& desc,
         OpenGLUniformBufferManager* manager);
 
-    ResourceViewType GetViewType() const { return m_viewType; }
+    ResourceViewType GetViewType() const override { return m_viewType; }
+    ResourceViewDimension GetDimension() const override { return m_dimension; }
+    Format GetFormat() const override { return m_format; }
     unsigned int GetFramebuffer() const;
     int32_t GetTextureUnit() const { return m_textureUnit; }
     int32_t GetBindingPoint() const { return m_bindingPoint; }
@@ -55,6 +57,8 @@ public:
 
 private:
     ResourceViewType m_viewType;
+    Format m_format;
+    ResourceViewDimension m_dimension;
     unsigned int m_framebufferID;
     int32_t m_textureUnit;
     int32_t m_bindingPoint;

engine/include/XCEngine/RHI/RHIResourceView.h

@@ -15,6 +15,10 @@ public:
     virtual void* GetNativeHandle() = 0;
 
     virtual bool IsValid() const = 0;
+
+    virtual ResourceViewType GetViewType() const = 0;
+    virtual ResourceViewDimension GetDimension() const = 0;
+    virtual Format GetFormat() const = 0;
 };
 
 } // namespace RHI