feat: 实现D3D12Fence封装

- 添加D3D12Fence类封装ID3D12Fence
- 包含Signal/Wait/GetCompletedValue等同步功能
- 更新测试项目使用新的封装类

tests/D3D12/main.cpp

@@ -16,6 +16,7 @@
 #include "XCEngine/RHI/D3D12/D3D12Device.h"
 #include "XCEngine/RHI/D3D12/D3D12CommandQueue.h"
 #include "XCEngine/RHI/D3D12/D3D12CommandAllocator.h"
+#include "XCEngine/RHI/D3D12/D3D12Fence.h"
 
 using namespace XCEngine::RHI;
 
@@ -47,8 +48,7 @@ XCEngine::RHI::D3D12CommandAllocator gCommandAllocator;
 ID3D12GraphicsCommandList* gCommandList = nullptr;
 
 // 同步对象
-ID3D12Fence* gFence = nullptr;
-HANDLE gFenceEvent = nullptr;
+XCEngine::RHI::D3D12Fence gFence;
 UINT64 gFenceValue = 0;
 
 //=================================================================================
@@ -646,8 +646,7 @@ bool InitD3D12(HWND inHWND, int inWidth, int inHeight) {
 	gCommandAllocator.Initialize(device, XCEngine::RHI::CommandQueueType::Direct);
 	device->CreateCommandList(0, D3D12_COMMAND_LIST_TYPE_DIRECT, gCommandAllocator.GetCommandAllocator(), nullptr, IID_PPV_ARGS(&gCommandList));
 
-	device->CreateFence(0, D3D12_FENCE_FLAG_NONE, IID_PPV_ARGS(&gFence));
-	gFenceEvent = CreateEvent(nullptr, FALSE, FALSE, nullptr);
+	gFence.Initialize(device, 0);
 
 	return true;
 }
@@ -664,9 +663,8 @@ ID3D12GraphicsCommandList* GetCommandList() {
 }
 
 void WaitForCompletionOfCommandList() {
-	if (gFence->GetCompletedValue() < gFenceValue) {
-		gFence->SetEventOnCompletion(gFenceValue, gFenceEvent);
-		WaitForSingleObject(gFenceEvent, INFINITE);
+	if (gFence.GetCompletedValue() < gFenceValue) {
+		gFence.Wait(gFenceValue);
 	}
 }
 
@@ -679,7 +677,7 @@ void EndCommandList() {
 	ID3D12CommandList* ppCommandLists[] = { gCommandList };
 	gCommandQueue.ExecuteCommandLists(1, ppCommandLists);
 	gFenceValue += 1;
-	gCommandQueue.Signal(gFence, gFenceValue);
+	gCommandQueue.Signal(gFence.GetFence(), gFenceValue);
 }
 
 //=================================================================================