From 80a11d1836b2f296b775fb92f03c3cc7a990f640 Mon Sep 17 00:00:00 2001
From: ssdfasd <2156608475@qq.com>
Date: Sun, 15 Mar 2026 18:26:05 +0800
Subject: [PATCH] =?UTF-8?q?refactor:=20=E5=B0=86=20tests/D3D12=20=E7=9A=84?=
 =?UTF-8?q?=20SwapChain=20=E6=9B=BF=E6=8D=A2=E4=B8=BA=20D3D12SwapChain?=
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- gSwapChain 替换为 D3D12SwapChain
- 使用 Initialize 方法替代原生 CreateSwapChain
- 使用 Present、GetCurrentBackBufferIndex 等 wrapper 方法
- 测试通过
---
 tests/D3D12/main.cpp | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/tests/D3D12/main.cpp b/tests/D3D12/main.cpp
index 6821bca5..a643d87b 100644
--- a/tests/D3D12/main.cpp
+++ b/tests/D3D12/main.cpp
@@ -20,6 +20,7 @@
 #include "XCEngine/RHI/D3D12/D3D12CommandList.h"
 #include "XCEngine/RHI/D3D12/D3D12DescriptorHeap.h"
 #include "XCEngine/RHI/D3D12/D3D12Fence.h"
+#include "XCEngine/RHI/D3D12/D3D12SwapChain.h"
 #include "XCEngine/RHI/D3D12/D3D12Screenshot.h"
 #include "XCEngine/Debug/Logger.h"
 #include "XCEngine/Debug/ConsoleLogSink.h"
@@ -48,7 +49,7 @@ void Log(const char* format, ...) {
 //=================================================================================
 XCEngine::RHI::D3D12Device gDevice;
 XCEngine::RHI::D3D12CommandQueue gCommandQueue;
-IDXGISwapChain3* gSwapChain = nullptr;
+XCEngine::RHI::D3D12SwapChain gSwapChain;
 
 // 渲染目标 (SwapChain的后台Buffer)
 ID3D12Resource* gDSRT = nullptr;  // 深度模板缓冲
@@ -605,7 +606,7 @@ bool InitD3D12(HWND inHWND, int inWidth, int inHeight) {
 
 	IDXGISwapChain* swapChain = nullptr;
 	dxgiFactory->CreateSwapChain(gCommandQueue.GetCommandQueue(), &swapChainDesc, &swapChain);
-	gSwapChain = static_cast<IDXGISwapChain3*>(swapChain);
+	gSwapChain.Initialize(dxgiFactory, gCommandQueue.GetCommandQueue(), inHWND, inWidth, inHeight, 2);
 
 	D3D12_HEAP_PROPERTIES d3dHeapProperties = {};
 	d3dHeapProperties.Type = D3D12_HEAP_TYPE_DEFAULT;
@@ -650,7 +651,9 @@ bool InitD3D12(HWND inHWND, int inWidth, int inHeight) {
 
 	D3D12_CPU_DESCRIPTOR_HANDLE rtvHeapStart = gSwapChainRTVHeap.GetCPUDescriptorHandleForHeapStart();
 	for (int i = 0; i < 2; i++) {
-		gSwapChain->GetBuffer(i, IID_PPV_ARGS(&gColorRTs[i]));
+		ID3D12Resource* buffer = nullptr;
+		gSwapChain.GetSwapChain()->GetBuffer(i, IID_PPV_ARGS(&buffer));
+		gColorRTs[i] = buffer;
 		D3D12_CPU_DESCRIPTOR_HANDLE rtvPointer;
 		rtvPointer.ptr = rtvHeapStart.ptr + i * gRTVDescriptorSize;
 		device->CreateRenderTargetView(gColorRTs[i], nullptr, rtvPointer);
@@ -712,7 +715,7 @@ void EndCommandList() {
 // 5. Clear Color/Depth
 //=================================================================================
 void BeginRenderToSwapChain(ID3D12GraphicsCommandList* inCommandList) {
-	gCurrentRTIndex = gSwapChain->GetCurrentBackBufferIndex();
+	gCurrentRTIndex = gSwapChain.GetCurrentBackBufferIndex();
 	D3D12_RESOURCE_BARRIER barrier = InitResourceBarrier(gColorRTs[gCurrentRTIndex], D3D12_RESOURCE_STATE_PRESENT, D3D12_RESOURCE_STATE_RENDER_TARGET);
 	inCommandList->ResourceBarrier(1, &barrier);
 	D3D12_CPU_DESCRIPTOR_HANDLE colorRT, dsv;
@@ -741,7 +744,7 @@ void EndRenderToSwapChain(ID3D12GraphicsCommandList* inCommandList) {
 // 交换缓冲区 (显示渲染结果)
 //=================================================================================
 void SwapD3D12Buffers() {
-	gSwapChain->Present(0, 0);
+	gSwapChain.Present(0, 0);
 }
 
 //=================================================================================