From 3d6787b6a4005095d13ddc754d11e9b4591bb38e Mon Sep 17 00:00:00 2001
From: ssdfasd <2156608475@qq.com>
Date: Tue, 17 Mar 2026 01:19:21 +0800
Subject: [PATCH] Add CreateSamplerDesc helper method

---
 engine/include/XCEngine/RHI/D3D12/D3D12RootSignature.h |  1 +
 engine/src/RHI/D3D12/D3D12RootSignature.cpp            | 10 ++++++++++
 2 files changed, 11 insertions(+)

diff --git a/engine/include/XCEngine/RHI/D3D12/D3D12RootSignature.h b/engine/include/XCEngine/RHI/D3D12/D3D12RootSignature.h
index 043277af..77d0ba87 100644
--- a/engine/include/XCEngine/RHI/D3D12/D3D12RootSignature.h
+++ b/engine/include/XCEngine/RHI/D3D12/D3D12RootSignature.h
@@ -38,6 +38,7 @@ public:
     static D3D12_ROOT_PARAMETER CreateDescriptorTable(uint32_t numRanges, const D3D12_DESCRIPTOR_RANGE* ranges, ShaderVisibility visibility = ShaderVisibility::All);
 
     static D3D12_STATIC_SAMPLER_DESC CreateStaticSampler(uint32_t shaderRegister, const D3D12_SAMPLER_DESC& desc, ShaderVisibility visibility = ShaderVisibility::Pixel);
+    static D3D12_SAMPLER_DESC CreateSamplerDesc(FilterMode filter, TextureAddressMode address, float maxLOD = D3D12_FLOAT32_MAX);
 
 private:
     ComPtr<ID3D12RootSignature> m_rootSignature;
diff --git a/engine/src/RHI/D3D12/D3D12RootSignature.cpp b/engine/src/RHI/D3D12/D3D12RootSignature.cpp
index 662d978e..3ff29e1a 100644
--- a/engine/src/RHI/D3D12/D3D12RootSignature.cpp
+++ b/engine/src/RHI/D3D12/D3D12RootSignature.cpp
@@ -118,5 +118,15 @@ D3D12_STATIC_SAMPLER_DESC D3D12RootSignature::CreateStaticSampler(uint32_t shade
     return samplerDesc;
 }
 
+D3D12_SAMPLER_DESC D3D12RootSignature::CreateSamplerDesc(FilterMode filter, TextureAddressMode address, float maxLOD) {
+    D3D12_SAMPLER_DESC desc = {};
+    desc.Filter = ToD3D12(filter);
+    desc.AddressU = ToD3D12(address);
+    desc.AddressV = ToD3D12(address);
+    desc.AddressW = ToD3D12(address);
+    desc.MaxLOD = maxLOD;
+    return desc;
+}
+
 } // namespace RHI
 } // namespace XCEngine