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40 lines
978 B
Markdown
40 lines
978 B
Markdown
# D3D12RootSignature::CreateDescriptorRange
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## 函数签名
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```cpp
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static D3D12_DESCRIPTOR_RANGE CreateDescriptorRange(D3D12_DESCRIPTOR_RANGE_TYPE type, uint32_t baseShaderRegister, uint32_t numDescriptors, uint32_t registerSpace = 0)
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```
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## 中文描述
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创建描述符范围。
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## 参数
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| 参数 | 类型 | 描述 |
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|------|------|------|
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| `type` | `D3D12_DESCRIPTOR_RANGE_TYPE` | 描述符范围类型 |
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| `baseShaderRegister` | `uint32_t` | 基础着色器寄存器 |
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| `numDescriptors` | `uint32_t` | 描述符数量 |
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| `registerSpace` | `uint32_t` | 寄存器空间（默认 0） |
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## 返回值
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`D3D12_DESCRIPTOR_RANGE` - 描述符范围
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## 复杂度
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O(1)
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## 示例
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```cpp
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D3D12_DESCRIPTOR_RANGE range = D3D12RootSignature::CreateDescriptorRange(D3D12_DESCRIPTOR_RANGE_TYPE_SRV, 0, 1);
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```
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## 相关文档
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- [D3D12RootSignature](root-signature.md) - 类总览
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- [D3D12RootSignature::CreateDescriptorTable](create-descriptor-table.md) - 创建描述符表
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