linebender / linebender/vello

Panning in `with_winit` is laggy with macOS utilities

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#327 6 comments 0 reactions 0 assignees View on GitHub

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O-MacOS
Dominant language
Rust
Stars
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Forks
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Avg merge
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Merged PRs (30d)
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Description

I'm on an M1 macbook, running the `with_winit` example with `--release`. There is considerable lag when I begin a drag to pan the image with mouse drag and drop. The lag is very noticeable (500ms - 1s). If I continue dragging without lifting the left mouse, the lag disappears.

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Reproduce the issue in the `with_winit` example on an M1 MacBook using `--release`, then compare the initial mouse drag with continued dragging. Done means identifying and removing the 500ms–1s delay when starting a pan.

Written by the indexing model from the issue text.

Assessment

Tech stack
rust
Domain
computer-graphics
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
35/100

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