> ## Documentation Index
> Fetch the complete documentation index at: https://devdocs.xbox.com/llms.txt
> Use this file to discover all available pages before exploring further.

# D3D12_FEATURE_DATA_FEATURE_LEVELS

> 描述有关当前图形驱动程序支持的功能级别的信息。

描述有关当前图形驱动程序支持的[功能级别](https://learn.microsoft.com/en-us/windows/desktop/direct3d11/overviews-direct3d-11-devices-downlevel-intro)的信息。

## 语法

```cpp theme={null}
typedef struct D3D12_FEATURE_DATA_FEATURE_LEVELS
{
    UINT NumFeatureLevels;
    const D3D_FEATURE_LEVEL  pFeatureLevelsRequested;
    D3D_FEATURE_LEVEL MaxSupportedFeatureLevel;
} D3D12_FEATURE_DATA_FEATURE_LEVELS
```

### 成员

*NumFeatureLevels*\
类型:UINT

**pFeatureLevelsRequested** 中的数组中[功能级别](https://learn.microsoft.com/en-us/windows/desktop/direct3d11/overviews-direct3d-11-devices-downlevel-intro)的数量。

*pFeatureLevelsRequested*\
类型:const D3D\_FEATURE\_LEVEL \*

指向应用程序请求驱动程序和硬件评估的 [D3D\_FEATURE\_LEVEL](https://learn.microsoft.com/en-us/windows/desktop/api/d3dcommon/ne-d3dcommon-d3d_feature_level) 数组的指针。

*MaxSupportedFeatureLevel*\
类型:D3D\_FEATURE\_LEVEL

驱动程序和硬件支持的最高[功能级别](https://learn.microsoft.com/en-us/windows/desktop/direct3d11/overviews-direct3d-11-devices-downlevel-intro)。

## 备注

请参阅 [D3D12\_FEATURE](/reference/graphics/d3d12/enums/d3d12_feature_public)。

## 要求

**头文件:** d3d12\_xs.h 或 d3d12\_x.h\
**库:** d3d12\_xs.lib 或 d3d12\_x.lib\
**支持的平台**:XBOX Series 主机和 XBOX One 系列

## 另请参阅

[核心结构](https://learn.microsoft.com/en-us/windows/desktop/direct3d12/direct3d-12-structures)

[D3D12\_FEATURE](/reference/graphics/d3d12/enums/d3d12_feature_public)


## Related topics

- [D3D12_FEATURE](/zh-CN/reference/graphics/d3d12/enums/d3d12_feature_public.md)
- [D3D12_FEATURE_DATA_MULTISAMPLE_QUALITY_LEVELS](/zh-CN/reference/graphics/d3d12/structs/d3d12_feature_data_multisample_quality_levels_public.md)
- [D3D12_FEATURE_DATA_D3D12_OPTIONS5](/zh-CN/reference/graphics/d3d12/structs/d3d12_feature_data_d3d12_options5_public.md)
- [D3D12_FEATURE_DATA_D3D12_OPTIONS](/zh-CN/reference/graphics/d3d12/structs/d3d12_feature_data_d3d12_options_public.md)
- [D3D12_FEATURE_DATA_ARCHITECTURE](/zh-CN/reference/graphics/d3d12/structs/d3d12_feature_data_architecture_public.md)