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/src/RHI/OpenGL/OpenGLResourceView.cpp

@@ -12,6 +12,8 @@ namespace RHI {
 
 OpenGLResourceView::OpenGLResourceView()
     : m_viewType(ResourceViewType::RenderTarget)
+    , m_format(Format::Unknown)
+    , m_dimension(ResourceViewDimension::Unknown)
     , m_framebufferID(0)
     , m_textureUnit(-1)
     , m_bindingPoint(-1)
@@ -81,12 +83,13 @@ bool OpenGLResourceView::InitializeAsRenderTarget(
     OpenGLTexture* texture,
     const ResourceViewDesc& desc,
     OpenGLFramebuffer* framebuffer) {
-    (void)desc;
     if (!texture || !framebuffer) {
         return false;
     }
 
     m_viewType = ResourceViewType::RenderTarget;
+    m_format = static_cast<Format>(desc.format);
+    m_dimension = desc.dimension;
     m_texture = texture;
     m_framebuffer = framebuffer;
     m_framebufferID = framebuffer->GetFramebuffer();
@@ -97,12 +100,13 @@ bool OpenGLResourceView::InitializeAsDepthStencil(
     OpenGLTexture* texture,
     const ResourceViewDesc& desc,
     OpenGLFramebuffer* framebuffer) {
-    (void)desc;
     if (!texture || !framebuffer) {
         return false;
     }
 
     m_viewType = ResourceViewType::DepthStencil;
+    m_format = static_cast<Format>(desc.format);
+    m_dimension = desc.dimension;
     m_texture = texture;
     m_framebuffer = framebuffer;
     m_framebufferID = framebuffer->GetFramebuffer();
@@ -123,6 +127,8 @@ bool OpenGLResourceView::InitializeAsShaderResource(
     }
 
     m_viewType = ResourceViewType::ShaderResource;
+    m_format = static_cast<Format>(desc.format);
+    m_dimension = desc.dimension;
     m_texture = texture;
     m_textureUnit = unit;
     m_textureUnitAllocator = allocator;
@@ -144,6 +150,8 @@ bool OpenGLResourceView::InitializeAsUnorderedAccess(
     }
 
     m_viewType = ResourceViewType::UnorderedAccess;
+    m_format = static_cast<Format>(desc.format);
+    m_dimension = desc.dimension;
     m_texture = texture;
     m_textureUnit = unit;
     m_textureUnitAllocator = allocator;
@@ -169,6 +177,8 @@ bool OpenGLResourceView::InitializeAsConstantBuffer(
     }
 
     m_viewType = ResourceViewType::ConstantBuffer;
+    m_format = Format::Unknown;
+    m_dimension = ResourceViewDimension::Buffer;
     m_buffer = buffer;
     m_bindingPoint = bindingPoint;
     m_uniformBufferManager = manager;