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Implement Metal renderer for MacVim

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#1,262 0 則留言 6 個 reaction 已指派 0 人 在 GitHub 檢視

還沒有人認領這個 Issue。

評估

難度
5/5
預估耗時
一週以上
新手友好度
22/100
Issue 類型
功能
描述清晰度
需要釐清
活躍度
停滯
技術堆疊
macos, vim

研究方向

首先查看 issue #858 中描述的渲染工作以及 #1259 中提出的效能問題,然後檢查目前 MacVim 的軟體渲染路徑。當基於 Metal 的渲染器支援流暢的原生捲動,並為此處提到的下游動畫功能提供所需的渲染基礎時,該 issue 即告完成。

由索引模型根據 Issue 內容生成。

描述

Investigation Renderer

We should implement a Metal-based text renderer for MacVim. #858 fixed a lot of the issues with the previous way MacVim rendered text and laid the grounds work by storing the buffer of the text so it could be redrawn. However, it is not as fast as it could be because it relies on software rendering and on scrolling (or other events) it needs to redraw quite a fair amount of texts, leading to scrolling not being as smooth as it could be.

Implementing a proper Metal renderer would allow us to get the native scrolling performance back as it's trivial to submit redraws.

There are also other downstream features (some in experimentation) that would need the Metal renderer to work properly. For example, if we want per-pixel scrolling (#273), we need a high-enough frame rate to be able to generate a smooth animation. Other special animation effects such as locating cursors, or cursor animations would all benefit from a Metal renderer.

Also see #1259 for performance issue with it.

主要語言
Vim Script
星號
7.9k
分支
691
PR 合併指標
30 天內沒有已合併 PR

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