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XCSDD/docs/api/rhi/command-list/draw.md
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# RHICommandList::Draw
```cpp
virtual void Draw(uint32_t vertexCount, uint32_t instanceCount = 1, uint32_t startVertex = 0, uint32_t startInstance = 0) = 0;
```
绘制调用。
**参数:**
- `vertexCount` - 顶点数量
- `instanceCount` - 实例数量默认1
- `startVertex` - 起始顶点索引
- `startInstance` - 起始实例索引
**示例:**
```cpp
cmdList->Draw(36); // 绘制36个顶点
```
## 相关文档
- [RHICommandList 总览](command-list.md) - 返回类总览