# OpenGLCommandList::Draw

```cpp
void Draw(uint32_t vertexCount, uint32_t instanceCount, uint32_t startVertex, uint32_t startInstance)
```

绘制非索引图元。

**参数：**
- `vertexCount` - 顶点数量
- `instanceCount` - 实例数量
- `startVertex` - 起始顶点
- `startInstance` - 起始实例

**示例：**

```cpp
commandList->Draw(3, 1, 0, 0);
```

## 相关文档

- [OpenGLCommandList](command-list.md) - 返回类总览