> ## 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.

# D3D12XboxInitializeDefaultTessellationParameters

> 使用預設限制初始化 D3D12XBOX_TESSELLATION_PARAMETERS_DESC 結構。

使用預設限制初始化 **D3D12XBOX\_TESSELLATION\_PARAMETERS\_DESC** 結構。

## 語法

```cpp theme={null}
void D3D12XboxInitializeDefaultTessellationParameters(  
         D3D12XBOX_TESSELLATION_PARAMETERS_DESC* pDesc  
)  
```

### 參數

*pDesc*   \
類型：[D3D12XBOX\_TESSELLATION\_PARAMETERS\_DESC\*](/zh-TW/reference/graphics/d3d12_x/structs/d3d12xbox_tessellation_parameters_desc)

要初始化之結構的位址。

### 傳回值

類型：void

## 備註

此協助程式函式會使用預設限制初始化 D3D12XBOX\_TESSELLATION\_PARAMETERS\_DESC 結構 pDesc。

```cpp theme={null}
D3DINLINE void D3D12XboxInitializeDefaultTesselationParameters(D3D12XBOX_TESSELLATION_PARAMETERS_DESC* pDesc)
{
    pDesc->PatchesPerThreadgroup = D3D12XBOX_TESSELLATION_PARAMETERS_PATCHES_PER_THREADGROUP_DEFAULT;
    pDesc->TessellationFactorThreshold = D3D12XBOX_TESSELLATION_PARAMETERS_TESSELLATION_FACTOR_THRESHOLD_DEFAULT;
    pDesc->DsWaveThreshold = D3D12XBOX_TESSELLATION_PARAMETERS_DS_WAVE_THRESHOLD_DEFAULT;
}  
```

## 需求

**標頭:** d3d12\_x.h

**程式庫:** 使用 d3d12\_x.h (內嵌函式)

**支援的平台:** XBOX One 系列

## 另請參閱

[d3d12\_x](/zh-TW/reference/graphics/d3d12_x/d3d12_x_members)\
[D3D12XboxInitializeDefaultGraphicsShaderLimits](/zh-TW/reference/graphics/d3d12_x/functions/d3d12xboxinitializedefaultgraphicsshaderlimits)


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