Files
XCEngine/docs/api/rhi/swap-chain/get-current-back-buffer-index.md

22 lines
375 B
Markdown
Raw Normal View History

# RHISwapChain::GetCurrentBackBufferIndex
```cpp
virtual uint32_t GetCurrentBackBufferIndex() const = 0;
```
获取当前后台缓冲区索引。
**返回:** 当前后台缓冲区索引
2026-03-20 02:35:45 +08:00
**线程安全:** ✅
**示例:**
```cpp
uint32_t index = swapChain->GetCurrentBackBufferIndex();
```
## 相关文档
- [RHISwapChain 总览](swap-chain.md) - 返回类总览