feat: 实现 D3D12PipelineState 并替换到 tests/D3D12

- 添加 D3D12PipelineState.h/cpp
- 全局变量 gPipelineState
- 使用 D3D12PipelineState::Initialize 替代原生 CreateGraphicsPipelineState
- 测试通过

tests/D3D12/main.cpp

@@ -22,6 +22,7 @@
 #include "XCEngine/RHI/D3D12/D3D12Fence.h"
 #include "XCEngine/RHI/D3D12/D3D12SwapChain.h"
 #include "XCEngine/RHI/D3D12/D3D12RootSignature.h"
+#include "XCEngine/RHI/D3D12/D3D12PipelineState.h"
 #include "XCEngine/RHI/D3D12/D3D12Screenshot.h"
 #include "XCEngine/Debug/Logger.h"
 #include "XCEngine/Debug/ConsoleLogSink.h"
@@ -67,6 +68,7 @@ UINT gDSVDescriptorSize = 0;
 XCEngine::RHI::D3D12CommandAllocator gCommandAllocator;
 XCEngine::RHI::D3D12CommandList gCommandList;
 XCEngine::RHI::D3D12RootSignature gRootSignature;
+XCEngine::RHI::D3D12PipelineState gPipelineState;
 
 // 同步对象
 XCEngine::RHI::D3D12Fence gFence;
@@ -556,11 +558,11 @@ ID3D12PipelineState* CreatePSO(ID3D12RootSignature* inID3D12RootSignature,
 	psoDesc.NumRenderTargets = 1;
 	ID3D12PipelineState* d3d12PSO = nullptr;
 
-	HRESULT hResult = gDevice.GetDevice()->CreateGraphicsPipelineState(&psoDesc, IID_PPV_ARGS(&d3d12PSO));
-	if (FAILED(hResult)) {
+	gPipelineState.Initialize(gDevice.GetDevice(), psoDesc);
+	if (!gPipelineState.GetPipelineState()) {
 		return nullptr;
 	}
-	return d3d12PSO;
+	return gPipelineState.GetPipelineState();
 }
 
 //=================================================================================