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