fix(RHI): 添加 OpenGL 源文件到 CMakeLists 并修复编译错误

- 添加 OpenGL RHI 所有源文件到 engine/CMakeLists.txt
- 修复 OpenGLPipelineState 结构体重定义问题
- 修复 BufferDesc/TextureDesc/ShaderCompileDesc API 不匹配
- 添加 OpenGLShader 缺少的基类纯虚函数实现
- 修复 HashMap 迭代器支持和 ResourceManager API 调用

engine/include/XCEngine/Containers/HashMap.h

@@ -42,6 +42,24 @@ public:
     size_t Size() const { return m_size; }
     bool Empty() const { return m_size == 0; }
 
+    using Iterator = typename Array<Pair>::Iterator;
+    using ConstIterator = typename Array<Pair>::ConstIterator;
+
+    Iterator begin() { return m_buckets[0].pairs.begin(); }
+    Iterator end() { 
+        if (m_bucketCount > 0) {
+            return m_buckets[m_bucketCount - 1].pairs.end();
+        }
+        return Iterator(nullptr); 
+    }
+    ConstIterator begin() const { return m_buckets[0].pairs.begin(); }
+    ConstIterator end() const { 
+        if (m_bucketCount > 0) {
+            return m_buckets[m_bucketCount - 1].pairs.end();
+        }
+        return ConstIterator(nullptr); 
+    }
+
     void SetAllocator(Memory::IAllocator* allocator) { m_allocator = allocator; }
 
 private:

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

@@ -43,7 +43,7 @@ enum class PolygonMode {
     Fill
 };
 
-struct DepthStencilState {
+struct OpenGLDepthStencilState {
     bool depthTestEnable = true;
     bool depthWriteEnable = true;
     ComparisonFunc depthFunc = ComparisonFunc::Less;
@@ -57,7 +57,7 @@ struct DepthStencilState {
     StencilOp stencilDepthPassOp = StencilOp::Keep;
 };
 
-struct BlendState {
+struct OpenGLBlendState {
     bool blendEnable = false;
     BlendFactor srcBlend = BlendFactor::SrcAlpha;
     BlendFactor dstBlend = BlendFactor::InvSrcAlpha;
@@ -69,7 +69,7 @@ struct BlendState {
     float blendFactor[4] = { 0.0f, 0.0f, 0.0f, 0.0f };
 };
 
-struct RasterizerState {
+struct OpenGLRasterizerState {
     bool cullFaceEnable = true;
     CullFace cullFace = CullFace::Back;
     FrontFace frontFace = FrontFace::CounterClockwise;
@@ -117,9 +117,9 @@ public:
     void* GetNativeHandle() override;
     PipelineType GetType() const override { return PipelineType::Graphics; }
 
-    void SetDepthStencilState(const DepthStencilState& state);
-    void SetBlendState(const BlendState& state);
-    void SetRasterizerState(const RasterizerState& state);
+    void SetDepthStencilState(const OpenGLDepthStencilState& state);
+    void SetBlendState(const OpenGLBlendState& state);
+    void SetRasterizerState(const OpenGLRasterizerState& state);
     void SetViewport(const ViewportState& state);
     void SetScissor(const ScissorState& state);
     void SetLogicalOperation(const LogicalOperation& state);
@@ -137,15 +137,14 @@ public:
     void AttachShader(unsigned int program);
     void DetachShader();
 
-    const DepthStencilState& GetDepthStencilState() const { return m_depthStencilState; }
-    const BlendState& GetBlendState() const { return m_blendState; }
-    const RasterizerState& GetRasterizerState() const { return m_rasterizerState; }
-    const ViewportState& GetViewportState() const { return m_viewportState; }
+    const OpenGLDepthStencilState& GetDepthStencilState() const { return m_depthStencilState; }
+    const OpenGLBlendState& GetBlendState() const { return m_blendState; }
+    const OpenGLRasterizerState& GetRasterizerState() const { return m_rasterizerState; }
 
 private:
-    DepthStencilState m_depthStencilState;
-    BlendState m_blendState;
-    RasterizerState m_rasterizerState;
+    OpenGLDepthStencilState m_depthStencilState;
+    OpenGLBlendState m_blendState;
+    OpenGLRasterizerState m_rasterizerState;
     ViewportState m_viewportState;
     ScissorState m_scissorState;
     LogicalOperation m_logicalOperation;