1816962 - skia-canvas and gpu-canvas are slower than d2d-canvas on hovering over the graph at https://crates.io/crates/syn

Status: RESOLVED FIXED

(Core :: Graphics: Canvas2D, defect, P3)

Description

[Mayank Bansal]

Go to https://crates.io/crates/syn
Scroll down to where the grpah is
Move your mouse inside the mouse.

ER: The hovering pop-up should follow your cursor in realtime as you move the mouse around.
AR: There is a lot of lag between you moving the mouse, and the popup appearing.

D2d-canvas: https://share.firefox.dev/40YssG5
Skia-canvas: https://share.firefox.dev/410dZcI
gpu-canvas: https://share.firefox.dev/3YPWrhN

In order of performance: Chrome>d2d-canvas>>skia-canvas/gpu-canvas

Comment 1

[Mayank Bansal]

Attachment: about:support

Comment 2

[Mayank Bansal]

This is much better now for GPU-canvas :

Bisection leads to
Bug 1834079 - Move stroke fallback heuristic to after we attempt AA-Stroke. r=jrmuizel
Differential Revision: https://phabricator.services.mozilla.com/D178549