fix(RHI): 修复抽象基类编译问题

engine/include/XCEngine/RHI/D3D12/D3D12Fence.h

@@ -18,6 +18,7 @@ public:
     bool Initialize(ID3D12Device* device, uint64_t initialValue = 0);
     void Shutdown() override;
 
+    void Signal() override;
     void Signal(uint64_t value) override;
     void Wait(uint64_t value) override;
     uint64_t GetCompletedValue() const override;

engine/include/XCEngine/RHI/RHICommandList.h

@@ -1,6 +1,7 @@
 #pragma once
 
 #include "RHITypes.h"
+#include "RHIEnums.h"
 
 namespace XCEngine {
 namespace RHI {

engine/include/XCEngine/RHI/RHICommandQueue.h

@@ -1,6 +1,7 @@
 #pragma once
 
 #include "RHITypes.h"
+#include "RHIEnums.h"
 
 namespace XCEngine {
 namespace RHI {

engine/src/RHI/D3D12/D3D12Fence.cpp

@@ -33,6 +33,10 @@ void D3D12Fence::Shutdown() {
     m_fence.Reset();
 }
 
+void D3D12Fence::Signal() {
+    Signal(1);
+}
+
 void D3D12Fence::Signal(uint64_t value) {
     m_fence->Signal(value);
 }