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Implement Metal renderer for MacVim

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评估

难度
5/5
预计耗时
一周以上
新手友好度
22/100
Issue 类型
功能
描述清晰度
需要澄清
活跃度
停滞
技术栈
macos, vim
领域
computer-graphics, desktop, performance

调研方向

首先查看 issue #858 中描述的渲染工作以及 #1259 中提出的性能问题，然后检查当前 MacVim 的软件渲染路径。当基于 Metal 的渲染器支持流畅的原生滚动，并为此处提到的下游动画功能提供所需的渲染基础时，该 issue 即告完成。

由索引模型根据 Issue 内容生成。

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.

主要语言
Vim Script
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30 天内没有已合并 PR

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