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XCEngine/docs/api/rhi/device/create-sampler.md
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# RHIDevice::CreateSampler
```cpp
virtual RHISampler* CreateSampler(const SamplerDesc& desc) = 0;
```
创建纹理采样器。
**参数:**
- `desc` - 采样器描述符,包含过滤模式、寻址模式等
**返回:** 新创建的采样器指针,失败返回 `nullptr`
**复杂度:** O(1)
**示例:**
```cpp
SamplerDesc samplerDesc;
samplerDesc.filter = (uint32_t)FilterMode::Anisotropic;
samplerDesc.addressU = (uint32_t)TextureAddressMode::Wrap;
samplerDesc.addressV = (uint32_t)TextureAddressMode::Wrap;
samplerDesc.addressW = (uint32_t)TextureAddressMode::Wrap;
samplerDesc.maxAnisotropy = 16;
samplerDesc.minLod = 0;
samplerDesc.maxLod = FLT_MAX;
RHISampler* sampler = device->CreateSampler(samplerDesc);
```
## 相关文档
- [RHIDevice 总览](device.md) - 返回类总览
- [RHISampler](../sampler/sampler.md) - 采样器类