servo/webrender

Change cs_line_decoration to pass pre-swizzled width / height values.

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#3,189 opened on Oct 11, 2018

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area: performancedifficulty: easyhelp wantedpriority: later

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Description

This would be a small performance improvement in the line decoration shader.

See https://github.com/servo/webrender/blob/12b0f3deabf17e0805bb383104bfb4ced8123bfc/webrender/src/prim_store.rs#L714

Contributor guide

Research direction
Locate the cs line decoration shader code and modify it to accept pre swizzled width/height values instead of computing them in the shader.
Tech stack
rust
Domain
computer graphics
Issue type
Refactor
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
2
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
Under 1 hour
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
Rust
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
70