V2EX swap chain

Swap Chain

定义 Definition

swap chain(图形学/游戏开发)指“交换链/帧缓冲交换链”:一组按顺序轮换使用的渲染缓冲区(通常是多张后台缓冲 back buffers + 一张前台缓冲 front buffer)。GPU把新一帧画到后台缓冲,随后通过“呈现/交换(present/swap)”把它显示到屏幕上,以提高流畅度并减少撕裂。

发音 Pronunciation

/swp ten/

例句 Examples

The renderer creates a swap chain for the window.
渲染器会为这个窗口创建一个交换链。

After resizing the window, we recreated the swap chain and its image views to match the new resolution and prevent presentation errors.
调整窗口大小后,我们重新创建了交换链及其图像视图,以匹配新分辨率并避免呈现错误。

词源 Etymology

swap 意为“交换”,chain 意为“链条/一串”。在图形渲染中,它形象地表示“一串可轮换的显示缓冲区”:渲染完成就“交换”到屏幕,下一张缓冲继续渲染。该术语在 DirectX、Vulkan 等图形 API 的文档与实践中被系统化使用。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Vulkan Programming Guide(Graham Sellers, John Kessenich 等):在介绍窗口系统集成(WSI)与呈现流程时大量使用 swap chain
  • Introduction to 3D Game Programming with DirectX 12(Frank D. Luna):在讲解 DirectX 的显示与缓冲管理时涉及交换链概念(常以“swap chain”描述)。
  • Real-Time Rendering(Tomas Akenine-Mller 等):讨论实时渲染管线与显示输出时会提到与交换链/缓冲交换相关的概念与实践。
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